content/renderer/render_view_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/render_view_impl.h"
   6
   7 #include <algorithm>
   8 #include <cmath>
   9
  10 #include "base/auto_reset.h"
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/command_line.h"
  14 #include "base/compiler_specific.h"
  15 #include "base/debug/alias.h"
  16 #include "base/debug/trace_event.h"
  17 #include "base/files/file_path.h"
  18 #include "base/i18n/rtl.h"
  19 #include "base/json/json_writer.h"
  20 #include "base/lazy_instance.h"
  21 #include "base/memory/scoped_ptr.h"
  22 #include "base/message_loop/message_loop_proxy.h"
  23 #include "base/metrics/histogram.h"
  24 #include "base/path_service.h"
  25 #include "base/process/kill.h"
  26 #include "base/process/process.h"
  27 #include "base/strings/string_number_conversions.h"
  28 #include "base/strings/string_piece.h"
  29 #include "base/strings/string_split.h"
  30 #include "base/strings/string_util.h"
  31 #include "base/strings/sys_string_conversions.h"
  32 #include "base/strings/utf_string_conversions.h"
  33 #include "base/time/time.h"
  34 #include "cc/base/switches.h"
  35 #include "content/child/appcache/appcache_dispatcher.h"
  36 #include "content/child/appcache/web_application_cache_host_impl.h"
  37 #include "content/child/child_thread.h"
  38 #include "content/child/npapi/webplugin_delegate_impl.h"
  39 #include "content/child/request_extra_data.h"
  40 #include "content/child/webmessageportchannel_impl.h"
  41 #include "content/common/database_messages.h"
  42 #include "content/common/dom_storage/dom_storage_types.h"
  43 #include "content/common/drag_messages.h"
  44 #include "content/common/frame_messages.h"
  45 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  46 #include "content/common/input_messages.h"
  47 #include "content/common/pepper_messages.h"
  48 #include "content/common/socket_stream_handle_data.h"
  49 #include "content/common/ssl_status_serialization.h"
  50 #include "content/common/view_messages.h"
  51 #include "content/public/common/bindings_policy.h"
  52 #include "content/public/common/content_client.h"
  53 #include "content/public/common/content_constants.h"
  54 #include "content/public/common/content_switches.h"
  55 #include "content/public/common/drop_data.h"
  56 #include "content/public/common/favicon_url.h"
  57 #include "content/public/common/file_chooser_params.h"
  58 #include "content/public/common/page_zoom.h"
  59 #include "content/public/common/ssl_status.h"
  60 #include "content/public/common/three_d_api_types.h"
  61 #include "content/public/common/url_constants.h"
  62 #include "content/public/common/url_utils.h"
  63 #include "content/public/renderer/content_renderer_client.h"
  64 #include "content/public/renderer/document_state.h"
  65 #include "content/public/renderer/history_item_serialization.h"
  66 #include "content/public/renderer/navigation_state.h"
  67 #include "content/public/renderer/render_view_observer.h"
  68 #include "content/public/renderer/render_view_visitor.h"
  69 #include "content/public/renderer/web_preferences.h"
  70 #include "content/renderer/accessibility/renderer_accessibility.h"
  71 #include "content/renderer/accessibility/renderer_accessibility_complete.h"
  72 #include "content/renderer/accessibility/renderer_accessibility_focus_only.h"
  73 #include "content/renderer/browser_plugin/browser_plugin.h"
  74 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  75 #include "content/renderer/browser_plugin/browser_plugin_manager_impl.h"
  76 #include "content/renderer/devtools/devtools_agent.h"
  77 #include "content/renderer/disambiguation_popup_helper.h"
  78 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
  79 #include "content/renderer/drop_data_builder.h"
  80 #include "content/renderer/external_popup_menu.h"
  81 #include "content/renderer/geolocation_dispatcher.h"
  82 #include "content/renderer/gpu/render_widget_compositor.h"
  83 #include "content/renderer/history_controller.h"
  84 #include "content/renderer/idle_user_detector.h"
  85 #include "content/renderer/ime_event_guard.h"
  86 #include "content/renderer/input/input_handler_manager.h"
  87 #include "content/renderer/input_tag_speech_dispatcher.h"
  88 #include "content/renderer/internal_document_state_data.h"
  89 #include "content/renderer/load_progress_tracker.h"
  90 #include "content/renderer/media/audio_device_factory.h"
  91 #include "content/renderer/media/audio_renderer_mixer_manager.h"
  92 #include "content/renderer/media/media_stream_dependency_factory.h"
  93 #include "content/renderer/media/media_stream_dispatcher.h"
  94 #include "content/renderer/media/media_stream_impl.h"
  95 #include "content/renderer/media/midi_dispatcher.h"
  96 #include "content/renderer/media/render_media_log.h"
  97 #include "content/renderer/media/video_capture_impl_manager.h"
  98 #include "content/renderer/media/webmediaplayer_impl.h"
  99 #include "content/renderer/media/webmediaplayer_ms.h"
 100 #include "content/renderer/media/webmediaplayer_params.h"
 101 #include "content/renderer/memory_benchmarking_extension.h"
 102 #include "content/renderer/mhtml_generator.h"
 103 #include "content/renderer/notification_provider.h"
 104 #include "content/renderer/push_messaging_dispatcher.h"
 105 #include "content/renderer/render_frame_impl.h"
 106 #include "content/renderer/render_process.h"
 107 #include "content/renderer/render_thread_impl.h"
 108 #include "content/renderer/render_view_impl_params.h"
 109 #include "content/renderer/render_view_mouse_lock_dispatcher.h"
 110 #include "content/renderer/render_widget_fullscreen_pepper.h"
 111 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
 112 #include "content/renderer/resizing_mode_selector.h"
 113 #include "content/renderer/savable_resources.h"
 114 #include "content/renderer/skia_benchmarking_extension.h"
 115 #include "content/renderer/speech_recognition_dispatcher.h"
 116 #include "content/renderer/stats_collection_controller.h"
 117 #include "content/renderer/stats_collection_observer.h"
 118 #include "content/renderer/text_input_client_observer.h"
 119 #include "content/renderer/v8_value_converter_impl.h"
 120 #include "content/renderer/web_ui_extension.h"
 121 #include "content/renderer/web_ui_extension_data.h"
 122 #include "content/renderer/web_ui_mojo.h"
 123 #include "content/renderer/websharedworker_proxy.h"
 124 #include "media/audio/audio_output_device.h"
 125 #include "media/base/audio_renderer_mixer_input.h"
 126 #include "media/base/filter_collection.h"
 127 #include "media/base/media_switches.h"
 128 #include "media/filters/audio_renderer_impl.h"
 129 #include "media/filters/gpu_video_accelerator_factories.h"
 130 #include "net/base/data_url.h"
 131 #include "net/base/escape.h"
 132 #include "net/base/net_errors.h"
 133 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 134 #include "net/http/http_util.h"
 135 #include "third_party/WebKit/public/platform/WebCString.h"
 136 #include "third_party/WebKit/public/platform/WebDragData.h"
 137 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
 138 #include "third_party/WebKit/public/platform/WebImage.h"
 139 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 140 #include "third_party/WebKit/public/platform/WebPoint.h"
 141 #include "third_party/WebKit/public/platform/WebRect.h"
 142 #include "third_party/WebKit/public/platform/WebSize.h"
 143 #include "third_party/WebKit/public/platform/WebSocketStreamHandle.h"
 144 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 145 #include "third_party/WebKit/public/platform/WebString.h"
 146 #include "third_party/WebKit/public/platform/WebURL.h"
 147 #include "third_party/WebKit/public/platform/WebURLError.h"
 148 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 149 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 150 #include "third_party/WebKit/public/platform/WebVector.h"
 151 #include "third_party/WebKit/public/web/WebAXObject.h"
 152 #include "third_party/WebKit/public/web/WebColorName.h"
 153 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 154 #include "third_party/WebKit/public/web/WebDOMEvent.h"
 155 #include "third_party/WebKit/public/web/WebDOMMessageEvent.h"
 156 #include "third_party/WebKit/public/web/WebDataSource.h"
 157 #include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h"
 158 #include "third_party/WebKit/public/web/WebDateTimeChooserParams.h"
 159 #include "third_party/WebKit/public/web/WebDevToolsAgent.h"
 160 #include "third_party/WebKit/public/web/WebDocument.h"
 161 #include "third_party/WebKit/public/web/WebElement.h"
 162 #include "third_party/WebKit/public/web/WebFileChooserParams.h"
 163 #include "third_party/WebKit/public/web/WebFindOptions.h"
 164 #include "third_party/WebKit/public/web/WebFormControlElement.h"
 165 #include "third_party/WebKit/public/web/WebFormElement.h"
 166 #include "third_party/WebKit/public/web/WebFrame.h"
 167 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 168 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 169 #include "third_party/WebKit/public/web/WebInputElement.h"
 170 #include "third_party/WebKit/public/web/WebInputEvent.h"
 171 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 172 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
 173 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 174 #include "third_party/WebKit/public/web/WebNodeList.h"
 175 #include "third_party/WebKit/public/web/WebPageSerializer.h"
 176 #include "third_party/WebKit/public/web/WebPlugin.h"
 177 #include "third_party/WebKit/public/web/WebPluginAction.h"
 178 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 179 #include "third_party/WebKit/public/web/WebPluginDocument.h"
 180 #include "third_party/WebKit/public/web/WebRange.h"
 181 #include "third_party/WebKit/public/web/WebScriptSource.h"
 182 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 183 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 184 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 185 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
 186 #include "third_party/WebKit/public/web/WebSettings.h"
 187 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 188 #include "third_party/WebKit/public/web/WebUserMediaClient.h"
 189 #include "third_party/WebKit/public/web/WebView.h"
 190 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 191 #include "third_party/WebKit/public/web/default/WebRenderTheme.h"
 192 #include "ui/base/clipboard/clipboard.h"
 193 #include "ui/base/ui_base_switches_util.h"
 194 #include "ui/events/latency_info.h"
 195 #include "ui/gfx/native_widget_types.h"
 196 #include "ui/gfx/point.h"
 197 #include "ui/gfx/rect.h"
 198 #include "ui/gfx/rect_conversions.h"
 199 #include "ui/gfx/size_conversions.h"
 200 #include "ui/shell_dialogs/selected_file_info.h"
 201 #include "v8/include/v8.h"
 202 #include "webkit/child/weburlresponse_extradata_impl.h"
 203
 204 #if defined(OS_ANDROID)
 205 #include <cpu-features.h>
 206
 207 #include "content/common/android/device_telephony_info.h"
 208 #include "content/common/gpu/client/context_provider_command_buffer.h"
 209 #include "content/renderer/android/address_detector.h"
 210 #include "content/renderer/android/content_detector.h"
 211 #include "content/renderer/android/email_detector.h"
 212 #include "content/renderer/android/phone_number_detector.h"
 213 #include "content/renderer/android/synchronous_compositor_factory.h"
 214 #include "content/renderer/media/android/renderer_media_player_manager.h"
 215 #include "content/renderer/media/android/stream_texture_factory_impl.h"
 216 #include "content/renderer/media/android/webmediaplayer_android.h"
 217 #include "skia/ext/platform_canvas.h"
 218 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 219 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 220 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 221 #include "ui/gfx/rect_f.h"
 222
 223 #elif defined(OS_WIN)
 224 // TODO(port): these files are currently Windows only because they concern:
 225 //   * theming
 226 #include "ui/native_theme/native_theme_win.h"
 227 #elif defined(USE_X11)
 228 #include "ui/native_theme/native_theme.h"
 229 #elif defined(OS_MACOSX)
 230 #include "skia/ext/skia_utils_mac.h"
 231 #endif
 232
 233 #if defined(ENABLE_PLUGINS)
 234 #include "content/renderer/npapi/webplugin_delegate_proxy.h"
 235 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 236 #include "content/renderer/pepper/pepper_plugin_registry.h"
 237 #endif
 238
 239 #if defined(ENABLE_WEBRTC)
 240 #include "content/renderer/media/rtc_peer_connection_handler.h"
 241 #endif
 242
 243 using blink::WebAXObject;
 244 using blink::WebApplicationCacheHost;
 245 using blink::WebApplicationCacheHostClient;
 246 using blink::WebCString;
 247 using blink::WebColor;
 248 using blink::WebColorName;
 249 using blink::WebConsoleMessage;
 250 using blink::WebData;
 251 using blink::WebDataSource;
 252 using blink::WebDocument;
 253 using blink::WebDOMEvent;
 254 using blink::WebDOMMessageEvent;
 255 using blink::WebDragData;
 256 using blink::WebDragOperation;
 257 using blink::WebDragOperationsMask;
 258 using blink::WebElement;
 259 using blink::WebExternalPopupMenu;
 260 using blink::WebExternalPopupMenuClient;
 261 using blink::WebFileChooserCompletion;
 262 using blink::WebFindOptions;
 263 using blink::WebFormControlElement;
 264 using blink::WebFormElement;
 265 using blink::WebFrame;
 266 using blink::WebGestureEvent;
 267 using blink::WebHistoryItem;
 268 using blink::WebHTTPBody;
 269 using blink::WebIconURL;
 270 using blink::WebImage;
 271 using blink::WebInputElement;
 272 using blink::WebInputEvent;
 273 using blink::WebLocalFrame;
 274 using blink::WebMediaPlayer;
 275 using blink::WebMediaPlayerAction;
 276 using blink::WebMediaPlayerClient;
 277 using blink::WebMouseEvent;
 278 using blink::WebNavigationPolicy;
 279 using blink::WebNavigationType;
 280 using blink::WebNode;
 281 using blink::WebPageSerializer;
 282 using blink::WebPageSerializerClient;
 283 using blink::WebPeerConnection00Handler;
 284 using blink::WebPeerConnection00HandlerClient;
 285 using blink::WebPeerConnectionHandler;
 286 using blink::WebPeerConnectionHandlerClient;
 287 using blink::WebPluginAction;
 288 using blink::WebPluginContainer;
 289 using blink::WebPluginDocument;
 290 using blink::WebPoint;
 291 using blink::WebPopupMenuInfo;
 292 using blink::WebRange;
 293 using blink::WebRect;
 294 using blink::WebReferrerPolicy;
 295 using blink::WebScriptSource;
 296 using blink::WebSearchableFormData;
 297 using blink::WebSecurityOrigin;
 298 using blink::WebSecurityPolicy;
 299 using blink::WebSerializedScriptValue;
 300 using blink::WebSettings;
 301 using blink::WebSize;
 302 using blink::WebSocketStreamHandle;
 303 using blink::WebStorageNamespace;
 304 using blink::WebStorageQuotaCallbacks;
 305 using blink::WebStorageQuotaError;
 306 using blink::WebStorageQuotaType;
 307 using blink::WebString;
 308 using blink::WebTextAffinity;
 309 using blink::WebTextDirection;
 310 using blink::WebTouchEvent;
 311 using blink::WebURL;
 312 using blink::WebURLError;
 313 using blink::WebURLRequest;
 314 using blink::WebURLResponse;
 315 using blink::WebUserGestureIndicator;
 316 using blink::WebVector;
 317 using blink::WebView;
 318 using blink::WebWidget;
 319 using blink::WebWindowFeatures;
 320 using base::Time;
 321 using base::TimeDelta;
 322 using webkit_glue::WebURLResponseExtraDataImpl;
 323
 324 #if defined(OS_ANDROID)
 325 using blink::WebContentDetectionResult;
 326 using blink::WebFloatPoint;
 327 using blink::WebFloatRect;
 328 using blink::WebHitTestResult;
 329 #endif
 330
 331 namespace content {
 332
 333 //-----------------------------------------------------------------------------
 334
 335 typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
 336 static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
 337 typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
 338 static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
 339     LAZY_INSTANCE_INITIALIZER;
 340
 341 // Time, in seconds, we delay before sending content state changes (such as form
 342 // state and scroll position) to the browser. We delay sending changes to avoid
 343 // spamming the browser.
 344 // To avoid having tab/session restore require sending a message to get the
 345 // current content state during tab closing we use a shorter timeout for the
 346 // foreground renderer. This means there is a small window of time from which
 347 // content state is modified and not sent to session restore, but this is
 348 // better than having to wake up all renderers during shutdown.
 349 const int kDelaySecondsForContentStateSyncHidden = 5;
 350 const int kDelaySecondsForContentStateSync = 1;
 351
 352 #if defined(OS_ANDROID)
 353 // Delay between tapping in content and launching the associated android intent.
 354 // Used to allow users see what has been recognized as content.
 355 const size_t kContentIntentDelayMilliseconds = 700;
 356 #endif
 357
 358 static RenderViewImpl* (*g_create_render_view_impl)(RenderViewImplParams*) =
 359     NULL;
 360
 361 // static
 362 bool RenderViewImpl::IsReload(const FrameMsg_Navigate_Params& params) {
 363   return
 364       params.navigation_type == FrameMsg_Navigate_Type::RELOAD ||
 365       params.navigation_type == FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE ||
 366       params.navigation_type ==
 367           FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
 368 }
 369
 370 // static
 371 Referrer RenderViewImpl::GetReferrerFromRequest(
 372     WebFrame* frame,
 373     const WebURLRequest& request) {
 374   return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
 375                   request.referrerPolicy());
 376 }
 377
 378 // static
 379 WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
 380     WebNavigationPolicy policy) {
 381   switch (policy) {
 382     case blink::WebNavigationPolicyIgnore:
 383       return IGNORE_ACTION;
 384     case blink::WebNavigationPolicyDownload:
 385       return SAVE_TO_DISK;
 386     case blink::WebNavigationPolicyCurrentTab:
 387       return CURRENT_TAB;
 388     case blink::WebNavigationPolicyNewBackgroundTab:
 389       return NEW_BACKGROUND_TAB;
 390     case blink::WebNavigationPolicyNewForegroundTab:
 391       return NEW_FOREGROUND_TAB;
 392     case blink::WebNavigationPolicyNewWindow:
 393       return NEW_WINDOW;
 394     case blink::WebNavigationPolicyNewPopup:
 395       return NEW_POPUP;
 396   default:
 397     NOTREACHED() << "Unexpected WebNavigationPolicy";
 398     return IGNORE_ACTION;
 399   }
 400 }
 401
 402 // Returns true if the device scale is high enough that losing subpixel
 403 // antialiasing won't have a noticeable effect on text quality.
 404 static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) {
 405 #if defined(OS_ANDROID)
 406   // On Android, we never have subpixel antialiasing.
 407   return true;
 408 #else
 409   return device_scale_factor > 1.5f;
 410 #endif
 411
 412 }
 413
 414 static bool ShouldUseFixedPositionCompositing(float device_scale_factor) {
 415   // Compositing for fixed-position elements is dependent on
 416   // device_scale_factor if no flag is set. http://crbug.com/172738
 417   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 418
 419   if (command_line.HasSwitch(switches::kDisableCompositingForFixedPosition))
 420     return false;
 421
 422   if (command_line.HasSwitch(switches::kEnableCompositingForFixedPosition))
 423     return true;
 424
 425   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 426 }
 427
 428 static bool ShouldUseAcceleratedCompositingForOverflowScroll(
 429     float device_scale_factor) {
 430   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 431
 432   if (command_line.HasSwitch(switches::kDisableAcceleratedOverflowScroll))
 433     return false;
 434
 435   if (command_line.HasSwitch(switches::kEnableAcceleratedOverflowScroll))
 436     return true;
 437
 438   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 439 }
 440
 441 static bool ShouldUseCompositedScrollingForFrames(
 442     float device_scale_factor) {
 443   if (RenderThreadImpl::current() &&
 444       !RenderThreadImpl::current()->is_lcd_text_enabled())
 445     return true;
 446
 447   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 448 }
 449
 450 static bool ShouldUseUniversalAcceleratedCompositingForOverflowScroll() {
 451   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 452
 453   if (command_line.HasSwitch(
 454           switches::kDisableUniversalAcceleratedOverflowScroll))
 455     return false;
 456
 457   if (command_line.HasSwitch(
 458           switches::kEnableUniversalAcceleratedOverflowScroll))
 459     return true;
 460
 461   return false;
 462 }
 463
 464 static bool ShouldUseTransitionCompositing(float device_scale_factor) {
 465   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 466
 467   if (command_line.HasSwitch(switches::kDisableCompositingForTransition))
 468     return false;
 469
 470   if (command_line.HasSwitch(switches::kEnableCompositingForTransition))
 471     return true;
 472
 473   // TODO(ajuma): Re-enable this by default for high-DPI once the problem
 474   // of excessive layer promotion caused by overlap has been addressed.
 475   // http://crbug.com/178119.
 476   return false;
 477 }
 478
 479 static bool ShouldUseAcceleratedFixedRootBackground(float device_scale_factor) {
 480   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 481
 482   if (command_line.HasSwitch(switches::kDisableAcceleratedFixedRootBackground))
 483     return false;
 484
 485   if (command_line.HasSwitch(switches::kEnableAcceleratedFixedRootBackground))
 486     return true;
 487
 488   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 489 }
 490
 491 static bool ShouldUseCompositingForGpuRasterizationHint() {
 492   return RenderThreadImpl::current() &&
 493          RenderThreadImpl::current()->is_gpu_rasterization_enabled();
 494 }
 495
 496 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
 497   switch (type) {
 498     case blink::WebIconURL::TypeFavicon:
 499       return FaviconURL::FAVICON;
 500     case blink::WebIconURL::TypeTouch:
 501       return FaviconURL::TOUCH_ICON;
 502     case blink::WebIconURL::TypeTouchPrecomposed:
 503       return FaviconURL::TOUCH_PRECOMPOSED_ICON;
 504     case blink::WebIconURL::TypeInvalid:
 505       return FaviconURL::INVALID_ICON;
 506   }
 507   return FaviconURL::INVALID_ICON;
 508 }
 509
 510 static void ConvertToFaviconSizes(
 511     const blink::WebVector<blink::WebSize>& web_sizes,
 512     std::vector<gfx::Size>* sizes) {
 513   DCHECK(sizes->empty());
 514   sizes->reserve(web_sizes.size());
 515   for (size_t i = 0; i < web_sizes.size(); ++i)
 516     sizes->push_back(gfx::Size(web_sizes[i]));
 517 }
 518
 519 ///////////////////////////////////////////////////////////////////////////////
 520
 521 struct RenderViewImpl::PendingFileChooser {
 522   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
 523       : params(p),
 524         completion(c) {
 525   }
 526   FileChooserParams params;
 527   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 528 };
 529
 530 namespace {
 531
 532 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
 533  public:
 534   explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
 535       : webwidget_(webwidget) {}
 536
 537   virtual void OnLockMouseACK(bool succeeded) OVERRIDE {
 538     if (succeeded)
 539       webwidget_->didAcquirePointerLock();
 540     else
 541       webwidget_->didNotAcquirePointerLock();
 542   }
 543
 544   virtual void OnMouseLockLost() OVERRIDE {
 545     webwidget_->didLosePointerLock();
 546   }
 547
 548   virtual bool HandleMouseLockedInputEvent(
 549       const blink::WebMouseEvent &event) OVERRIDE {
 550     // The WebWidget handles mouse lock in WebKit's handleInputEvent().
 551     return false;
 552   }
 553
 554  private:
 555   blink::WebWidget* webwidget_;
 556 };
 557
 558 bool TouchEnabled() {
 559 // Based on the definition of chrome::kEnableTouchIcon.
 560 #if defined(OS_ANDROID)
 561   return true;
 562 #else
 563   return false;
 564 #endif
 565 }
 566
 567 WebDragData DropDataToWebDragData(const DropData& drop_data) {
 568   std::vector<WebDragData::Item> item_list;
 569
 570   // These fields are currently unused when dragging into WebKit.
 571   DCHECK(drop_data.download_metadata.empty());
 572   DCHECK(drop_data.file_contents.empty());
 573   DCHECK(drop_data.file_description_filename.empty());
 574
 575   if (!drop_data.text.is_null()) {
 576     WebDragData::Item item;
 577     item.storageType = WebDragData::Item::StorageTypeString;
 578     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
 579     item.stringData = drop_data.text.string();
 580     item_list.push_back(item);
 581   }
 582
 583   // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
 584   // meaningful to write an empty URL to the clipboard?
 585   if (!drop_data.url.is_empty()) {
 586     WebDragData::Item item;
 587     item.storageType = WebDragData::Item::StorageTypeString;
 588     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
 589     item.stringData = WebString::fromUTF8(drop_data.url.spec());
 590     item.title = drop_data.url_title;
 591     item_list.push_back(item);
 592   }
 593
 594   if (!drop_data.html.is_null()) {
 595     WebDragData::Item item;
 596     item.storageType = WebDragData::Item::StorageTypeString;
 597     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
 598     item.stringData = drop_data.html.string();
 599     item.baseURL = drop_data.html_base_url;
 600     item_list.push_back(item);
 601   }
 602
 603   for (std::vector<ui::FileInfo>::const_iterator it =
 604            drop_data.filenames.begin();
 605        it != drop_data.filenames.end();
 606        ++it) {
 607     WebDragData::Item item;
 608     item.storageType = WebDragData::Item::StorageTypeFilename;
 609     item.filenameData = it->path.AsUTF16Unsafe();
 610     item.displayNameData = it->display_name.AsUTF16Unsafe();
 611     item_list.push_back(item);
 612   }
 613
 614   for (std::map<base::string16, base::string16>::const_iterator it =
 615            drop_data.custom_data.begin();
 616        it != drop_data.custom_data.end();
 617        ++it) {
 618     WebDragData::Item item;
 619     item.storageType = WebDragData::Item::StorageTypeString;
 620     item.stringType = it->first;
 621     item.stringData = it->second;
 622     item_list.push_back(item);
 623   }
 624
 625   WebDragData result;
 626   result.initialize();
 627   result.setItems(item_list);
 628   result.setFilesystemId(drop_data.filesystem_id);
 629   return result;
 630 }
 631
 632 }  // namespace
 633
 634 RenderViewImpl::RenderViewImpl(RenderViewImplParams* params)
 635     : RenderWidget(blink::WebPopupTypeNone,
 636                    params->screen_info,
 637                    params->swapped_out,
 638                    params->hidden,
 639                    params->never_visible),
 640       webkit_preferences_(params->webkit_prefs),
 641       send_content_state_immediately_(false),
 642       enabled_bindings_(0),
 643       send_preferred_size_changes_(false),
 644       navigation_gesture_(NavigationGestureUnknown),
 645       opened_by_user_gesture_(true),
 646       opener_suppressed_(false),
 647       suppress_dialogs_until_swap_out_(false),
 648       page_id_(-1),
 649       last_page_id_sent_to_browser_(-1),
 650       next_page_id_(params->next_page_id),
 651       history_list_offset_(-1),
 652       history_list_length_(0),
 653       frames_in_progress_(0),
 654       target_url_status_(TARGET_NONE),
 655 #if defined(OS_ANDROID)
 656       top_controls_constraints_(cc::BOTH),
 657 #endif
 658       cached_is_main_frame_pinned_to_left_(false),
 659       cached_is_main_frame_pinned_to_right_(false),
 660       cached_has_main_frame_horizontal_scrollbar_(false),
 661       cached_has_main_frame_vertical_scrollbar_(false),
 662       has_scrolled_focused_editable_node_into_rect_(false),
 663       notification_provider_(NULL),
 664       push_messaging_dispatcher_(NULL),
 665       geolocation_dispatcher_(NULL),
 666       input_tag_speech_dispatcher_(NULL),
 667       speech_recognition_dispatcher_(NULL),
 668       media_stream_dispatcher_(NULL),
 669       browser_plugin_manager_(NULL),
 670       media_stream_client_(NULL),
 671       web_user_media_client_(NULL),
 672       midi_dispatcher_(NULL),
 673       devtools_agent_(NULL),
 674       accessibility_mode_(AccessibilityModeOff),
 675       renderer_accessibility_(NULL),
 676       mouse_lock_dispatcher_(NULL),
 677 #if defined(OS_ANDROID)
 678       body_background_color_(SK_ColorWHITE),
 679       expected_content_intent_id_(0),
 680       media_player_manager_(NULL),
 681 #endif
 682 #if defined(OS_WIN)
 683       focused_plugin_id_(-1),
 684 #endif
 685 #if defined(ENABLE_PLUGINS)
 686       plugin_find_handler_(NULL),
 687       focused_pepper_plugin_(NULL),
 688       pepper_last_mouse_event_target_(NULL),
 689 #endif
 690       enumeration_completion_id_(0),
 691       load_progress_tracker_(new LoadProgressTracker(this)),
 692       session_storage_namespace_id_(params->session_storage_namespace_id),
 693       next_snapshot_id_(0) {
 694 }
 695
 696 void RenderViewImpl::Initialize(
 697     RenderViewImplParams* params,
 698     RenderFrameImpl* main_render_frame) {
 699   routing_id_ = params->routing_id;
 700   surface_id_ = params->surface_id;
 701   if (params->opener_id != MSG_ROUTING_NONE && params->is_renderer_created)
 702     opener_id_ = params->opener_id;
 703
 704   // Ensure we start with a valid next_page_id_ from the browser.
 705   DCHECK_GE(next_page_id_, 0);
 706
 707 #if defined(ENABLE_NOTIFICATIONS)
 708   notification_provider_ = new NotificationProvider(this);
 709 #else
 710   notification_provider_ = NULL;
 711 #endif
 712
 713   webwidget_ = WebView::create(this);
 714   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 715
 716   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 717
 718   if (command_line.HasSwitch(switches::kStatsCollectionController))
 719     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 720
 721 #if defined(OS_ANDROID)
 722   content::DeviceTelephonyInfo device_info;
 723
 724   const std::string region_code =
 725       command_line.HasSwitch(switches::kNetworkCountryIso)
 726           ? command_line.GetSwitchValueASCII(switches::kNetworkCountryIso)
 727           : device_info.GetNetworkCountryIso();
 728   content_detectors_.push_back(linked_ptr<ContentDetector>(
 729       new AddressDetector()));
 730   content_detectors_.push_back(linked_ptr<ContentDetector>(
 731       new PhoneNumberDetector(region_code)));
 732   content_detectors_.push_back(linked_ptr<ContentDetector>(
 733       new EmailDetector()));
 734 #endif
 735
 736   RenderThread::Get()->AddRoute(routing_id_, this);
 737   // Take a reference on behalf of the RenderThread.  This will be balanced
 738   // when we receive ViewMsg_ClosePage.
 739   AddRef();
 740   if (RenderThreadImpl::current()) {
 741     RenderThreadImpl::current()->WidgetCreated();
 742     if (is_hidden_)
 743       RenderThreadImpl::current()->WidgetHidden();
 744   }
 745
 746   // If this is a popup, we must wait for the CreatingNew_ACK message before
 747   // completing initialization.  Otherwise, we can finish it now.
 748   if (opener_id_ == MSG_ROUTING_NONE) {
 749     did_show_ = true;
 750     CompleteInit();
 751   }
 752
 753   g_view_map.Get().insert(std::make_pair(webview(), this));
 754   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 755   webview()->setDeviceScaleFactor(device_scale_factor_);
 756   webview()->settings()->setAcceleratedCompositingForFixedPositionEnabled(
 757       ShouldUseFixedPositionCompositing(device_scale_factor_));
 758   webview()->settings()->setAcceleratedCompositingForOverflowScrollEnabled(
 759       ShouldUseAcceleratedCompositingForOverflowScroll(device_scale_factor_));
 760   webview()->settings()->setCompositorDrivenAcceleratedScrollingEnabled(
 761       ShouldUseUniversalAcceleratedCompositingForOverflowScroll());
 762   webview()->settings()->setAcceleratedCompositingForTransitionEnabled(
 763       ShouldUseTransitionCompositing(device_scale_factor_));
 764   webview()->settings()->setAcceleratedCompositingForFixedRootBackgroundEnabled(
 765       ShouldUseAcceleratedFixedRootBackground(device_scale_factor_));
 766   webview()->settings()->setCompositedScrollingForFramesEnabled(
 767       ShouldUseCompositedScrollingForFrames(device_scale_factor_));
 768   webview()->settings()
 769       ->setAcceleratedCompositingForGpuRasterizationHintEnabled(
 770           ShouldUseCompositingForGpuRasterizationHint());
 771
 772   ApplyWebPreferences(webkit_preferences_, webview());
 773
 774   main_render_frame_.reset(main_render_frame);
 775   webview()->setMainFrame(main_render_frame_->GetWebFrame());
 776   main_render_frame_->Initialize();
 777
 778   if (switches::IsTouchDragDropEnabled())
 779     webview()->settings()->setTouchDragDropEnabled(true);
 780
 781   if (switches::IsTouchEditingEnabled())
 782     webview()->settings()->setTouchEditingEnabled(true);
 783
 784   if (!params->frame_name.empty())
 785     webview()->mainFrame()->setName(params->frame_name);
 786
 787   // TODO(davidben): Move this state from Blink into content.
 788   if (params->window_was_created_with_opener)
 789     webview()->setOpenedByDOM();
 790
 791   OnSetRendererPrefs(params->renderer_prefs);
 792
 793 #if defined(ENABLE_WEBRTC)
 794   if (!media_stream_dispatcher_)
 795     media_stream_dispatcher_ = new MediaStreamDispatcher(this);
 796 #endif
 797
 798   new MHTMLGenerator(this);
 799 #if defined(OS_MACOSX)
 800   new TextInputClientObserver(this);
 801 #endif  // defined(OS_MACOSX)
 802
 803 #if defined(OS_ANDROID)
 804   media_player_manager_ = new RendererMediaPlayerManager(this);
 805 #endif
 806
 807   // The next group of objects all implement RenderViewObserver, so are deleted
 808   // along with the RenderView automatically.
 809   devtools_agent_ = new DevToolsAgent(this);
 810   if (RenderWidgetCompositor* rwc = compositor()) {
 811     webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
 812   }
 813   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 814
 815   history_controller_.reset(new HistoryController(this));
 816
 817   // Create renderer_accessibility_ if needed.
 818   OnSetAccessibilityMode(params->accessibility_mode);
 819
 820   new IdleUserDetector(this);
 821
 822   if (command_line.HasSwitch(switches::kDomAutomationController))
 823     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 824   if (command_line.HasSwitch(switches::kStatsCollectionController))
 825     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 826
 827   ProcessViewLayoutFlags(command_line);
 828
 829   GetContentClient()->renderer()->RenderViewCreated(this);
 830
 831   // If we have an opener_id but we weren't created by a renderer, then
 832   // it's the browser asking us to set our opener to another RenderView.
 833   if (params->opener_id != MSG_ROUTING_NONE && !params->is_renderer_created) {
 834     RenderViewImpl* opener_view = FromRoutingID(params->opener_id);
 835     if (opener_view)
 836       webview()->mainFrame()->setOpener(opener_view->webview()->mainFrame());
 837   }
 838
 839   // If we are initially swapped out, navigate to kSwappedOutURL.
 840   // This ensures we are in a unique origin that others cannot script.
 841   if (is_swapped_out_)
 842     NavigateToSwappedOutURL(webview()->mainFrame());
 843 }
 844
 845 RenderViewImpl::~RenderViewImpl() {
 846   history_page_ids_.clear();
 847
 848   base::debug::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
 849
 850   // If file chooser is still waiting for answer, dispatch empty answer.
 851   while (!file_chooser_completions_.empty()) {
 852     if (file_chooser_completions_.front()->completion) {
 853       file_chooser_completions_.front()->completion->didChooseFile(
 854           WebVector<WebString>());
 855     }
 856     file_chooser_completions_.pop_front();
 857   }
 858
 859 #if defined(OS_ANDROID)
 860   // The date/time picker client is both a scoped_ptr member of this class and
 861   // a RenderViewObserver. Reset it to prevent double deletion.
 862   date_time_picker_client_.reset();
 863 #endif
 864
 865 #ifndef NDEBUG
 866   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 867   ViewMap* views = g_view_map.Pointer();
 868   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 869     DCHECK_NE(this, it->second) << "Failed to call Close?";
 870   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 871   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 872        it != routing_id_views->end(); ++it)
 873     DCHECK_NE(this, it->second) << "Failed to call Close?";
 874 #endif
 875
 876   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 877   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 878 }
 879
 880 /*static*/
 881 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 882   ViewMap* views = g_view_map.Pointer();
 883   ViewMap::iterator it = views->find(webview);
 884   return it == views->end() ? NULL : it->second;
 885 }
 886
 887 /*static*/
 888 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 889   return RenderViewImpl::FromWebView(webview);
 890 }
 891
 892 /*static*/
 893 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 894   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 895   RoutingIDViewMap::iterator it = views->find(routing_id);
 896   return it == views->end() ? NULL : it->second;
 897 }
 898
 899 /*static*/
 900 RenderView* RenderView::FromRoutingID(int routing_id) {
 901   return RenderViewImpl::FromRoutingID(routing_id);
 902 }
 903
 904 /*static*/
 905 void RenderView::ForEach(RenderViewVisitor* visitor) {
 906   ViewMap* views = g_view_map.Pointer();
 907   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 908     if (!visitor->Visit(it->second))
 909       return;
 910   }
 911 }
 912
 913 /*static*/
 914 RenderViewImpl* RenderViewImpl::Create(
 915     int32 opener_id,
 916     bool window_was_created_with_opener,
 917     const RendererPreferences& renderer_prefs,
 918     const WebPreferences& webkit_prefs,
 919     int32 routing_id,
 920     int32 main_frame_routing_id,
 921     int32 surface_id,
 922     int64 session_storage_namespace_id,
 923     const base::string16& frame_name,
 924     bool is_renderer_created,
 925     bool swapped_out,
 926     bool hidden,
 927     bool never_visible,
 928     int32 next_page_id,
 929     const blink::WebScreenInfo& screen_info,
 930     AccessibilityMode accessibility_mode) {
 931   DCHECK(routing_id != MSG_ROUTING_NONE);
 932   RenderViewImplParams params(opener_id,
 933                               window_was_created_with_opener,
 934                               renderer_prefs,
 935                               webkit_prefs,
 936                               routing_id,
 937                               main_frame_routing_id,
 938                               surface_id,
 939                               session_storage_namespace_id,
 940                               frame_name,
 941                               is_renderer_created,
 942                               swapped_out,
 943                               hidden,
 944                               never_visible,
 945                               next_page_id,
 946                               screen_info,
 947                               accessibility_mode);
 948   RenderViewImpl* render_view = NULL;
 949   if (g_create_render_view_impl)
 950     render_view = g_create_render_view_impl(&params);
 951   else
 952     render_view = new RenderViewImpl(&params);
 953
 954   RenderFrameImpl* main_frame = RenderFrameImpl::Create(
 955       render_view, main_frame_routing_id);
 956   // The main frame WebLocalFrame object is closed by
 957   // RenderFrameImpl::frameDetached().
 958   WebLocalFrame* web_frame = WebLocalFrame::create(main_frame);
 959   main_frame->SetWebFrame(web_frame);
 960
 961   render_view->Initialize(&params, main_frame);
 962   return render_view;
 963 }
 964
 965 // static
 966 void RenderViewImpl::InstallCreateHook(
 967     RenderViewImpl* (*create_render_view_impl)(RenderViewImplParams*)) {
 968   CHECK(!g_create_render_view_impl);
 969   g_create_render_view_impl = create_render_view_impl;
 970 }
 971
 972 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
 973   observers_.AddObserver(observer);
 974 }
 975
 976 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
 977   observer->RenderViewGone();
 978   observers_.RemoveObserver(observer);
 979 }
 980
 981 blink::WebView* RenderViewImpl::webview() const {
 982   return static_cast<blink::WebView*>(webwidget());
 983 }
 984
 985 #if defined(ENABLE_PLUGINS)
 986 void RenderViewImpl::PepperInstanceCreated(
 987     PepperPluginInstanceImpl* instance) {
 988   active_pepper_instances_.insert(instance);
 989 }
 990
 991 void RenderViewImpl::PepperInstanceDeleted(
 992     PepperPluginInstanceImpl* instance) {
 993   active_pepper_instances_.erase(instance);
 994
 995   if (pepper_last_mouse_event_target_ == instance)
 996     pepper_last_mouse_event_target_ = NULL;
 997   if (focused_pepper_plugin_ == instance)
 998     PepperFocusChanged(instance, false);
 999 }
1000
1001 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1002                                         bool focused) {
1003   if (focused)
1004     focused_pepper_plugin_ = instance;
1005   else if (focused_pepper_plugin_ == instance)
1006     focused_pepper_plugin_ = NULL;
1007
1008   UpdateTextInputType();
1009   UpdateSelectionBounds();
1010 }
1011
1012 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1013   plugin_delegates_.insert(delegate);
1014   // If the renderer is visible, set initial visibility and focus state.
1015   if (!is_hidden()) {
1016 #if defined(OS_MACOSX)
1017     delegate->SetContainerVisibility(true);
1018     if (webview() && webview()->isActive())
1019       delegate->SetWindowFocus(true);
1020 #endif
1021   }
1022   // Plugins start assuming the content has focus (so that they work in
1023   // environments where RenderView isn't hosting them), so we always have to
1024   // set the initial state. See webplugin_delegate_impl.h for details.
1025   delegate->SetContentAreaFocus(has_focus());
1026 }
1027
1028 void RenderViewImpl::UnregisterPluginDelegate(
1029     WebPluginDelegateProxy* delegate) {
1030   plugin_delegates_.erase(delegate);
1031 }
1032
1033 #if defined(OS_WIN)
1034 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1035   if (focused)
1036     focused_plugin_id_ = plugin_id;
1037   else
1038     focused_plugin_id_ = -1;
1039 }
1040 #endif
1041
1042 #if defined(OS_MACOSX)
1043 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1044   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1045 }
1046
1047 void RenderViewImpl::StartPluginIme() {
1048   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1049   // This message can be sent during event-handling, and needs to be delivered
1050   // within that context.
1051   msg->set_unblock(true);
1052   Send(msg);
1053 }
1054 #endif  // defined(OS_MACOSX)
1055
1056 #endif  // ENABLE_PLUGINS
1057
1058 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1059     const blink::WebActiveWheelFlingParameters& params) {
1060   if (webview())
1061     webview()->transferActiveWheelFlingAnimation(params);
1062 }
1063
1064 bool RenderViewImpl::HasIMETextFocus() {
1065   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1066 }
1067
1068 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1069   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1070   if (main_frame)
1071     GetContentClient()->SetActiveURL(main_frame->document().url());
1072
1073   ObserverListBase<RenderViewObserver>::Iterator it(observers_);
1074   RenderViewObserver* observer;
1075   while ((observer = it.GetNext()) != NULL)
1076     if (observer->OnMessageReceived(message))
1077       return true;
1078
1079   bool handled = true;
1080   bool msg_is_ok = true;
1081   IPC_BEGIN_MESSAGE_MAP_EX(RenderViewImpl, message, msg_is_ok)
1082     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1083     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1084     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1085                         OnScrollFocusedEditableNodeIntoRect)
1086     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1087                         OnSetEditCommandsForNextKeyEvent)
1088     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
1089     IPC_MESSAGE_HANDLER(ViewMsg_Stop, OnStop)
1090     IPC_MESSAGE_HANDLER(ViewMsg_SetName, OnSetName)
1091     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1092     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1093     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1094     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1095     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevel, OnSetZoomLevel)
1096     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1097                         OnSetZoomLevelForLoadingURL)
1098     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1099     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1100                         OnResetPageEncodingToDefault)
1101     IPC_MESSAGE_HANDLER(ViewMsg_PostMessageEvent, OnPostMessageEvent)
1102     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1103     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1104     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1105     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1106     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1107     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1108                         OnDragSourceSystemDragEnded)
1109     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1110     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1111     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1112     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1113     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1114                         OnEnumerateDirectoryResponse)
1115     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1116     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1117                         OnSuppressDialogsUntilSwapOut)
1118     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1119     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1120     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1121     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1122     IPC_MESSAGE_HANDLER(ViewMsg_SetBackground, OnSetBackground)
1123     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1124                         OnEnablePreferredSizeChangedMode)
1125     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1126     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1127     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1128                         OnDisableScrollbarsForSmallWindows)
1129     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1130     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1131     IPC_MESSAGE_HANDLER(ViewMsg_OrientationChangeEvent,
1132                         OnOrientationChangeEvent)
1133     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1134     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1135     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1136                         OnGetAllSavableResourceLinksForCurrentPage)
1137     IPC_MESSAGE_HANDLER(
1138         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1139         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1140     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1141     // TODO(viettrungluu): Move to a separate message filter.
1142     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryLengthAndPrune,
1143                         OnSetHistoryLengthAndPrune)
1144     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1145     IPC_MESSAGE_HANDLER(ViewMsg_SetAccessibilityMode, OnSetAccessibilityMode)
1146     IPC_MESSAGE_HANDLER(ViewMsg_DisownOpener, OnDisownOpener)
1147     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupDIB,
1148                         OnReleaseDisambiguationPopupDIB)
1149     IPC_MESSAGE_HANDLER(ViewMsg_WindowSnapshotCompleted,
1150                         OnWindowSnapshotCompleted)
1151 #if defined(OS_ANDROID)
1152     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1153                         OnActivateNearestFindResult)
1154     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1155     IPC_MESSAGE_HANDLER(ViewMsg_SelectPopupMenuItems, OnSelectPopupMenuItems)
1156     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1157                         OnUpdateTopControlsState)
1158     IPC_MESSAGE_HANDLER(ViewMsg_PauseVideo, OnPauseVideo)
1159     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1160 #elif defined(OS_MACOSX)
1161     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1162                         OnPluginImeCompositionCompleted)
1163     IPC_MESSAGE_HANDLER(ViewMsg_SelectPopupMenuItem, OnSelectPopupMenuItem)
1164     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1165     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1166     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1167 #endif
1168     // Adding a new message? Add platform independent ones first, then put the
1169     // platform specific ones at the end.
1170
1171     // Have the super handle all other messages.
1172     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1173   IPC_END_MESSAGE_MAP()
1174
1175   if (!msg_is_ok) {
1176     // The message had a handler, but its deserialization failed.
1177     // Kill the renderer to avoid potential spoofing attacks.
1178     CHECK(false) << "Unable to deserialize message in RenderViewImpl.";
1179   }
1180
1181   return handled;
1182 }
1183
1184 void RenderViewImpl::OnNavigate(const FrameMsg_Navigate_Params& params) {
1185   FOR_EACH_OBSERVER(RenderViewObserver, observers_, Navigate(params.url));
1186 }
1187
1188 bool RenderViewImpl::IsBackForwardToStaleEntry(
1189     const FrameMsg_Navigate_Params& params,
1190     bool is_reload) {
1191   // Make sure this isn't a back/forward to an entry we have already cropped
1192   // or replaced from our history, before the browser knew about it.  If so,
1193   // a new navigation has committed in the mean time, and we can ignore this.
1194   bool is_back_forward = !is_reload && params.page_state.IsValid();
1195
1196   // Note: if the history_list_length_ is 0 for a back/forward, we must be
1197   // restoring from a previous session.  We'll update our state in OnNavigate.
1198   if (!is_back_forward || history_list_length_ <= 0)
1199     return false;
1200
1201   DCHECK_EQ(static_cast<int>(history_page_ids_.size()), history_list_length_);
1202
1203   // Check for whether the forward history has been cropped due to a recent
1204   // navigation the browser didn't know about.
1205   if (params.pending_history_list_offset >= history_list_length_)
1206     return true;
1207
1208   // Check for whether this entry has been replaced with a new one.
1209   int expected_page_id =
1210       history_page_ids_[params.pending_history_list_offset];
1211   if (expected_page_id > 0 && params.page_id != expected_page_id) {
1212     if (params.page_id < expected_page_id)
1213       return true;
1214
1215     // Otherwise we've removed an earlier entry and should have shifted all
1216     // entries left.  For now, it's ok to lazily update the list.
1217     // TODO(creis): Notify all live renderers when we remove entries from
1218     // the front of the list, so that we don't hit this case.
1219     history_page_ids_[params.pending_history_list_offset] = params.page_id;
1220   }
1221
1222   return false;
1223 }
1224
1225 // Stop loading the current page.
1226 void RenderViewImpl::OnStop() {
1227   if (webview())
1228     webview()->mainFrame()->stopLoading();
1229   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnStop());
1230   main_render_frame_->OnStop();
1231 }
1232
1233 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1234   webview()->copyImageAt(WebPoint(x, y));
1235 }
1236
1237 void RenderViewImpl::OnUpdateTargetURLAck() {
1238   // Check if there is a targeturl waiting to be sent.
1239   if (target_url_status_ == TARGET_PENDING) {
1240     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_,
1241                                          pending_target_url_));
1242   }
1243
1244   target_url_status_ = TARGET_NONE;
1245 }
1246
1247 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1248     const std::string& value) {
1249   if (!webview() || !webview()->focusedFrame())
1250     return;
1251
1252   webview()->focusedFrame()->executeCommand(
1253       WebString::fromUTF8(name), WebString::fromUTF8(value));
1254 }
1255
1256 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1257   if (!webview())
1258     return;
1259
1260   Send(new ViewHostMsg_MoveCaret_ACK(routing_id_));
1261
1262   webview()->focusedFrame()->moveCaretSelection(point);
1263 }
1264
1265 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1266     const gfx::Rect& rect) {
1267   if (has_scrolled_focused_editable_node_into_rect_ &&
1268       rect == rect_for_scrolled_focused_editable_node_) {
1269     return;
1270   }
1271
1272   blink::WebElement element = GetFocusedElement();
1273   if (!element.isNull() && IsEditableNode(element)) {
1274     rect_for_scrolled_focused_editable_node_ = rect;
1275     has_scrolled_focused_editable_node_into_rect_ = true;
1276     webview()->scrollFocusedNodeIntoRect(rect);
1277   }
1278 }
1279
1280 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1281     const EditCommands& edit_commands) {
1282   edit_commands_ = edit_commands;
1283 }
1284
1285 void RenderViewImpl::OnSetName(const std::string& name) {
1286   if (!webview())
1287     return;
1288
1289   webview()->mainFrame()->setName(WebString::fromUTF8(name));
1290 }
1291
1292 void RenderViewImpl::OnSetHistoryLengthAndPrune(int history_length,
1293                                                 int32 minimum_page_id) {
1294   DCHECK_GE(history_length, 0);
1295   DCHECK(history_list_offset_ == history_list_length_ - 1);
1296   DCHECK_GE(minimum_page_id, -1);
1297
1298   // Generate the new list.
1299   std::vector<int32> new_history_page_ids(history_length, -1);
1300   for (size_t i = 0; i < history_page_ids_.size(); ++i) {
1301     if (minimum_page_id >= 0 && history_page_ids_[i] < minimum_page_id)
1302       continue;
1303     new_history_page_ids.push_back(history_page_ids_[i]);
1304   }
1305   new_history_page_ids.swap(history_page_ids_);
1306
1307   // Update indexes.
1308   history_list_length_ = history_page_ids_.size();
1309   history_list_offset_ = history_list_length_ - 1;
1310 }
1311
1312
1313 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1314   if (!webview())
1315     return;
1316   webview()->setInitialFocus(reverse);
1317 }
1318
1319 #if defined(OS_MACOSX)
1320 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1321   if (!webview())
1322     return;
1323   if (in_live_resize)
1324     webview()->willStartLiveResize();
1325   else
1326     webview()->willEndLiveResize();
1327 }
1328 #endif
1329
1330 #if defined(OS_ANDROID)
1331 void RenderViewImpl::OnPauseVideo() {
1332   // Inform RendererMediaPlayerManager to release all video player resources.
1333   // If something is in progress the resource will not be freed, it will
1334   // only be freed once the tab is destroyed or if the user navigates away
1335   // via WebMediaPlayerAndroid::Destroy.
1336   media_player_manager_->ReleaseVideoResources();
1337 }
1338 #endif
1339
1340 ///////////////////////////////////////////////////////////////////////////////
1341
1342 // Tell the embedding application that the title of the active page has changed
1343 void RenderViewImpl::UpdateTitle(WebFrame* frame,
1344                                  const base::string16& title,
1345                                  WebTextDirection title_direction) {
1346   // Ignore all but top level navigations.
1347   if (frame->parent())
1348     return;
1349
1350   base::debug::TraceLog::GetInstance()->UpdateProcessLabel(
1351       routing_id_, base::UTF16ToUTF8(title));
1352
1353   base::string16 shortened_title = title.substr(0, kMaxTitleChars);
1354   Send(new ViewHostMsg_UpdateTitle(routing_id_, page_id_, shortened_title,
1355                                    title_direction));
1356 }
1357
1358 void RenderViewImpl::UpdateEncoding(WebFrame* frame,
1359                                     const std::string& encoding_name) {
1360   // Only update main frame's encoding_name.
1361   if (webview()->mainFrame() == frame &&
1362       last_encoding_name_ != encoding_name) {
1363     // Save the encoding name for later comparing.
1364     last_encoding_name_ = encoding_name;
1365
1366     Send(new ViewHostMsg_UpdateEncoding(routing_id_, last_encoding_name_));
1367   }
1368 }
1369
1370 // Sends the last committed session history state to the browser so it will be
1371 // saved before we navigate to a new page. This must be called *before* the
1372 // page ID has been updated so we know what it was.
1373 void RenderViewImpl::UpdateSessionHistory(WebFrame* frame) {
1374   // If we have a valid page ID at this point, then it corresponds to the page
1375   // we are navigating away from.  Otherwise, this is the first navigation, so
1376   // there is no past session history to record.
1377   if (page_id_ == -1)
1378     return;
1379
1380   WebHistoryItem item = history_controller_->GetPreviousItemForExport();
1381   SendUpdateState(item);
1382 }
1383
1384 void RenderViewImpl::SendUpdateState(const WebHistoryItem& item) {
1385   if (item.isNull())
1386     return;
1387
1388   // Don't send state updates for kSwappedOutURL.
1389   if (item.urlString() == WebString::fromUTF8(kSwappedOutURL))
1390     return;
1391
1392   Send(new ViewHostMsg_UpdateState(
1393       routing_id_, page_id_, HistoryItemToPageState(item)));
1394 }
1395
1396 // WebViewDelegate ------------------------------------------------------------
1397
1398 void RenderViewImpl::LoadNavigationErrorPage(
1399     WebFrame* frame,
1400     const WebURLRequest& failed_request,
1401     const WebURLError& error,
1402     bool replace) {
1403   std::string error_html;
1404   GetContentClient()->renderer()->GetNavigationErrorStrings(
1405       this, frame, failed_request, error, &error_html, NULL);
1406
1407   frame->loadHTMLString(error_html,
1408                         GURL(kUnreachableWebDataURL),
1409                         error.unreachableURL,
1410                         replace);
1411 }
1412
1413 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1414   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1415   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1416   // it is particularly important that we do not call willEnterModalLoop as
1417   // that would defer resource loads for the dialog itself.
1418   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1419     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1420
1421   message->EnableMessagePumping();  // Runs a nested message loop.
1422   return Send(message);
1423 }
1424
1425 void RenderViewImpl::GetWindowSnapshot(const WindowSnapshotCallback& callback) {
1426   int id = next_snapshot_id_++;
1427   pending_snapshots_.insert(std::make_pair(id, callback));
1428   ui::LatencyInfo latency_info;
1429   latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1430                                 0,
1431                                 id);
1432   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1433   if (RenderWidgetCompositor* rwc = compositor()) {
1434     latency_info_swap_promise_monitor =
1435         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1436   } else {
1437     latency_info_.push_back(latency_info);
1438   }
1439   ScheduleCompositeWithForcedRedraw();
1440 }
1441
1442 void RenderViewImpl::OnWindowSnapshotCompleted(const int snapshot_id,
1443     const gfx::Size& size, const std::vector<unsigned char>& png) {
1444
1445   // Any pending snapshots with a lower ID than the one received are considered
1446   // to be implicitly complete, and returned the same snapshot data.
1447   PendingSnapshotMap::iterator it = pending_snapshots_.begin();
1448   while(it != pending_snapshots_.end()) {
1449       if (it->first <= snapshot_id) {
1450         it->second.Run(size, png);
1451         pending_snapshots_.erase(it++);
1452       } else {
1453         ++it;
1454       }
1455   }
1456 }
1457
1458 // blink::WebViewClient ------------------------------------------------------
1459
1460 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1461                                     const WebURLRequest& request,
1462                                     const WebWindowFeatures& features,
1463                                     const WebString& frame_name,
1464                                     WebNavigationPolicy policy,
1465                                     bool suppress_opener) {
1466   ViewHostMsg_CreateWindow_Params params;
1467   params.opener_id = routing_id_;
1468   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1469   if (GetContentClient()->renderer()->AllowPopup())
1470     params.user_gesture = true;
1471   params.window_container_type = WindowFeaturesToContainerType(features);
1472   params.session_storage_namespace_id = session_storage_namespace_id_;
1473   if (frame_name != "_blank")
1474     params.frame_name = frame_name;
1475   params.opener_render_frame_id =
1476       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1477   params.opener_url = creator->document().url();
1478   params.opener_top_level_frame_url = creator->top()->document().url();
1479   GURL security_url(creator->document().securityOrigin().toString());
1480   if (!security_url.is_valid())
1481     security_url = GURL();
1482   params.opener_security_origin = security_url;
1483   params.opener_suppressed = suppress_opener;
1484   params.disposition = NavigationPolicyToDisposition(policy);
1485   if (!request.isNull()) {
1486     params.target_url = request.url();
1487     params.referrer = GetReferrerFromRequest(creator, request);
1488   }
1489   params.features = features;
1490
1491   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1492     params.additional_features.push_back(features.additionalFeatures[i]);
1493
1494   int32 routing_id = MSG_ROUTING_NONE;
1495   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1496   int32 surface_id = 0;
1497   int64 cloned_session_storage_namespace_id;
1498
1499   RenderThread::Get()->Send(
1500       new ViewHostMsg_CreateWindow(params,
1501                                    &routing_id,
1502                                    &main_frame_routing_id,
1503                                    &surface_id,
1504                                    &cloned_session_storage_namespace_id));
1505   if (routing_id == MSG_ROUTING_NONE)
1506     return NULL;
1507
1508   WebUserGestureIndicator::consumeUserGesture();
1509
1510   // While this view may be a background extension page, it can spawn a visible
1511   // render view. So we just assume that the new one is not another background
1512   // page instead of passing on our own value.
1513   // TODO(vangelis): Can we tell if the new view will be a background page?
1514   bool never_visible = false;
1515
1516   // The initial hidden state for the RenderViewImpl here has to match what the
1517   // browser will eventually decide for the given disposition. Since we have to
1518   // return from this call synchronously, we just have to make our best guess
1519   // and rely on the browser sending a WasHidden / WasShown message if it
1520   // disagrees.
1521   RenderViewImpl* view = RenderViewImpl::Create(
1522       routing_id_,
1523       true,  // window_was_created_with_opener
1524       renderer_preferences_,
1525       webkit_preferences_,
1526       routing_id,
1527       main_frame_routing_id,
1528       surface_id,
1529       cloned_session_storage_namespace_id,
1530       base::string16(),  // WebCore will take care of setting the correct name.
1531       true,              // is_renderer_created
1532       false,             // swapped_out
1533       params.disposition == NEW_BACKGROUND_TAB,  // hidden
1534       never_visible,
1535       1,  // next_page_id
1536       screen_info_,
1537       accessibility_mode_);
1538   view->opened_by_user_gesture_ = params.user_gesture;
1539
1540   // Record whether the creator frame is trying to suppress the opener field.
1541   view->opener_suppressed_ = params.opener_suppressed;
1542
1543   return view->webview();
1544 }
1545
1546 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1547   RenderWidget* widget =
1548       RenderWidget::Create(routing_id_, popup_type, screen_info_);
1549   if (!widget)
1550     return NULL;
1551   if (screen_metrics_emulator_) {
1552     widget->SetPopupOriginAdjustmentsForEmulation(
1553         screen_metrics_emulator_.get());
1554   }
1555   return widget->webwidget();
1556 }
1557
1558 WebExternalPopupMenu* RenderViewImpl::createExternalPopupMenu(
1559     const WebPopupMenuInfo& popup_menu_info,
1560     WebExternalPopupMenuClient* popup_menu_client) {
1561 #if defined(OS_MACOSX) || defined(OS_ANDROID)
1562   // An IPC message is sent to the browser to build and display the actual
1563   // popup.  The user could have time to click a different select by the time
1564   // the popup is shown.  In that case external_popup_menu_ is non NULL.
1565   // By returning NULL in that case, we instruct WebKit to cancel that new
1566   // popup.  So from the user perspective, only the first one will show, and
1567   // will have to close the first one before another one can be shown.
1568   if (external_popup_menu_)
1569     return NULL;
1570   external_popup_menu_.reset(
1571       new ExternalPopupMenu(this, popup_menu_info, popup_menu_client));
1572   if (screen_metrics_emulator_) {
1573     SetExternalPopupOriginAdjustmentsForEmulation(
1574         external_popup_menu_.get(), screen_metrics_emulator_.get());
1575   }
1576   return external_popup_menu_.get();
1577 #else
1578   return NULL;
1579 #endif
1580 }
1581
1582 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1583   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1584   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1585 }
1586
1587 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1588   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1589                     PrintPage(frame, handling_input_event_));
1590 }
1591
1592 blink::WebNotificationPresenter* RenderViewImpl::notificationPresenter() {
1593   return notification_provider_;
1594 }
1595
1596 bool RenderViewImpl::enumerateChosenDirectory(
1597     const WebString& path,
1598     WebFileChooserCompletion* chooser_completion) {
1599   int id = enumeration_completion_id_++;
1600   enumeration_completions_[id] = chooser_completion;
1601   return Send(new ViewHostMsg_EnumerateDirectory(
1602       routing_id_,
1603       id,
1604       base::FilePath::FromUTF16Unsafe(path)));
1605 }
1606
1607 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1608   if (load_progress_tracker_ != NULL) {
1609     load_progress_tracker_->DidStartLoading(
1610         RenderFrameImpl::FromWebFrame(frame)->GetRoutingID());
1611   }
1612   DCHECK_GE(frames_in_progress_, 0);
1613   if (frames_in_progress_ == 0)
1614     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1615   frames_in_progress_++;
1616 }
1617
1618 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1619   if (load_progress_tracker_ != NULL) {
1620     load_progress_tracker_->DidStopLoading(
1621         RenderFrameImpl::FromWebFrame(frame)->GetRoutingID());
1622   }
1623   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1624   // calls DidStopLoading() without a matching DidStartLoading().
1625   if (frames_in_progress_ == 0)
1626     return;
1627   frames_in_progress_--;
1628   if (frames_in_progress_ == 0) {
1629     DidStopLoadingIcons();
1630     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1631   }
1632 }
1633
1634 void RenderViewImpl::FrameDidChangeLoadProgress(WebFrame* frame,
1635                                                 double load_progress) {
1636   if (load_progress_tracker_ != NULL) {
1637     load_progress_tracker_->DidChangeLoadProgress(
1638         RenderFrameImpl::FromWebFrame(frame)->GetRoutingID(), load_progress);
1639   }
1640 }
1641
1642 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1643   Send(new ViewHostMsg_ImeCancelComposition(routing_id()));
1644 }
1645
1646 void RenderViewImpl::didExecuteCommand(const WebString& command_name) {
1647   const std::string& name = base::UTF16ToUTF8(command_name);
1648   if (StartsWithASCII(name, "Move", true) ||
1649       StartsWithASCII(name, "Insert", true) ||
1650       StartsWithASCII(name, "Delete", true))
1651     return;
1652   RenderThreadImpl::current()->RecordComputedAction(name);
1653 }
1654
1655 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1656   if (edit_commands_.empty())
1657     return false;
1658
1659   WebFrame* frame = webview()->focusedFrame();
1660   if (!frame)
1661     return false;
1662
1663   EditCommands::iterator it = edit_commands_.begin();
1664   EditCommands::iterator end = edit_commands_.end();
1665
1666   bool did_execute_command = false;
1667   for (; it != end; ++it) {
1668     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1669     // key (but it's the exception). Once one edit command is not executed, it
1670     // seems safest to not execute the rest.
1671     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1672                                WebString::fromUTF8(it->value),
1673                                GetFocusedElement()))
1674       break;
1675     did_execute_command = true;
1676   }
1677
1678   return did_execute_command;
1679 }
1680
1681 bool RenderViewImpl::runFileChooser(
1682     const blink::WebFileChooserParams& params,
1683     WebFileChooserCompletion* chooser_completion) {
1684   // Do not open the file dialog in a hidden RenderView.
1685   if (is_hidden())
1686     return false;
1687   FileChooserParams ipc_params;
1688   if (params.directory)
1689     ipc_params.mode = FileChooserParams::UploadFolder;
1690   else if (params.multiSelect)
1691     ipc_params.mode = FileChooserParams::OpenMultiple;
1692   else if (params.saveAs)
1693     ipc_params.mode = FileChooserParams::Save;
1694   else
1695     ipc_params.mode = FileChooserParams::Open;
1696   ipc_params.title = params.title;
1697   ipc_params.default_file_name =
1698       base::FilePath::FromUTF16Unsafe(params.initialValue);
1699   ipc_params.accept_types.reserve(params.acceptTypes.size());
1700   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1701     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1702 #if defined(OS_ANDROID)
1703   ipc_params.capture = params.useMediaCapture;
1704 #endif
1705
1706   return ScheduleFileChooser(ipc_params, chooser_completion);
1707 }
1708
1709 void RenderViewImpl::showValidationMessage(
1710     const blink::WebRect& anchor_in_root_view,
1711     const blink::WebString& main_text,
1712     const blink::WebString& sub_text,
1713     blink::WebTextDirection hint) {
1714   base::string16 wrapped_main_text = main_text;
1715   base::string16 wrapped_sub_text = sub_text;
1716   if (hint == blink::WebTextDirectionLeftToRight) {
1717     wrapped_main_text =
1718         base::i18n::GetDisplayStringInLTRDirectionality(wrapped_main_text);
1719     if (!wrapped_sub_text.empty()) {
1720       wrapped_sub_text =
1721           base::i18n::GetDisplayStringInLTRDirectionality(wrapped_sub_text);
1722     }
1723   } else if (hint == blink::WebTextDirectionRightToLeft
1724              && !base::i18n::IsRTL()) {
1725     base::i18n::WrapStringWithRTLFormatting(&wrapped_main_text);
1726     if (!wrapped_sub_text.empty()) {
1727       base::i18n::WrapStringWithRTLFormatting(&wrapped_sub_text);
1728     }
1729   }
1730   Send(new ViewHostMsg_ShowValidationMessage(
1731     routing_id(), anchor_in_root_view, wrapped_main_text, wrapped_sub_text));
1732 }
1733
1734 void RenderViewImpl::hideValidationMessage() {
1735   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1736 }
1737
1738 void RenderViewImpl::moveValidationMessage(
1739     const blink::WebRect& anchor_in_root_view) {
1740   Send(new ViewHostMsg_MoveValidationMessage(routing_id(),
1741                                              anchor_in_root_view));
1742 }
1743
1744 void RenderViewImpl::setStatusText(const WebString& text) {
1745 }
1746
1747 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1748                                      const GURL& fallback_url) {
1749   GURL latest_url = url.is_empty() ? fallback_url : url;
1750   if (latest_url == target_url_)
1751     return;
1752
1753   // Tell the browser to display a destination link.
1754   if (target_url_status_ == TARGET_INFLIGHT ||
1755       target_url_status_ == TARGET_PENDING) {
1756     // If we have a request in-flight, save the URL to be sent when we
1757     // receive an ACK to the in-flight request. We can happily overwrite
1758     // any existing pending sends.
1759     pending_target_url_ = latest_url;
1760     target_url_status_ = TARGET_PENDING;
1761   } else {
1762     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1763     // see |ParamTraits<GURL>|.
1764     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1765       latest_url = GURL();
1766     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_, latest_url));
1767     target_url_ = latest_url;
1768     target_url_status_ = TARGET_INFLIGHT;
1769   }
1770 }
1771
1772 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1773     const gfx::RectF& rect) const {
1774   gfx::RectF window_rect = rect;
1775   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1776   return window_rect;
1777 }
1778
1779 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1780   // No need to update state if no page has committed yet.
1781   if (page_id_ == -1)
1782     return;
1783
1784   int delay;
1785   if (send_content_state_immediately_)
1786     delay = 0;
1787   else if (is_hidden())
1788     delay = kDelaySecondsForContentStateSyncHidden;
1789   else
1790     delay = kDelaySecondsForContentStateSync;
1791
1792   if (nav_state_sync_timer_.IsRunning()) {
1793     // The timer is already running. If the delay of the timer maches the amount
1794     // we want to delay by, then return. Otherwise stop the timer so that it
1795     // gets started with the right delay.
1796     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1797       return;
1798     nav_state_sync_timer_.Stop();
1799   }
1800
1801   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1802                               &RenderViewImpl::SyncNavigationState);
1803 }
1804
1805 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1806   mouse_over_url_ = GURL(url);
1807   UpdateTargetURL(mouse_over_url_, focus_url_);
1808 }
1809
1810 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1811   focus_url_ = GURL(url);
1812   UpdateTargetURL(focus_url_, mouse_over_url_);
1813 }
1814
1815 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1816                                    const WebDragData& data,
1817                                    WebDragOperationsMask mask,
1818                                    const WebImage& image,
1819                                    const WebPoint& webImageOffset) {
1820   DropData drop_data(DropDataBuilder::Build(data));
1821   drop_data.referrer_policy = frame->document().referrerPolicy();
1822   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1823   Send(new DragHostMsg_StartDragging(routing_id_,
1824                                      drop_data,
1825                                      mask,
1826                                      image.getSkBitmap(),
1827                                      imageOffset,
1828                                      possible_drag_event_info_));
1829 }
1830
1831 bool RenderViewImpl::acceptsLoadDrops() {
1832   return renderer_preferences_.can_accept_load_drops;
1833 }
1834
1835 void RenderViewImpl::focusNext() {
1836   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1837 }
1838
1839 void RenderViewImpl::focusPrevious() {
1840   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1841 }
1842
1843 void RenderViewImpl::focusedNodeChanged(const WebNode& node) {
1844   has_scrolled_focused_editable_node_into_rect_ = false;
1845
1846   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(node)));
1847
1848   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(node));
1849 }
1850
1851 void RenderViewImpl::numberOfWheelEventHandlersChanged(unsigned num_handlers) {
1852   Send(new ViewHostMsg_DidChangeNumWheelEvents(routing_id_, num_handlers));
1853 }
1854
1855 void RenderViewImpl::didUpdateLayout() {
1856   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
1857
1858   // We don't always want to set up a timer, only if we've been put in that
1859   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
1860   // message.
1861   if (!send_preferred_size_changes_ || !webview())
1862     return;
1863
1864   if (check_preferred_size_timer_.IsRunning())
1865     return;
1866   check_preferred_size_timer_.Start(FROM_HERE,
1867                                     TimeDelta::FromMilliseconds(0), this,
1868                                     &RenderViewImpl::CheckPreferredSize);
1869 }
1870
1871 void RenderViewImpl::navigateBackForwardSoon(int offset) {
1872   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
1873 }
1874
1875 int RenderViewImpl::historyBackListCount() {
1876   return history_list_offset_ < 0 ? 0 : history_list_offset_;
1877 }
1878
1879 int RenderViewImpl::historyForwardListCount() {
1880   return history_list_length_ - historyBackListCount() - 1;
1881 }
1882
1883 void RenderViewImpl::postAccessibilityEvent(
1884     const WebAXObject& obj, blink::WebAXEvent event) {
1885   if (renderer_accessibility_) {
1886     renderer_accessibility_->HandleWebAccessibilityEvent(obj, event);
1887   }
1888 }
1889
1890 void RenderViewImpl::didUpdateInspectorSetting(const WebString& key,
1891                                            const WebString& value) {
1892   Send(new ViewHostMsg_UpdateInspectorSetting(routing_id_,
1893                                               key.utf8(),
1894                                               value.utf8()));
1895 }
1896
1897 // blink::WebWidgetClient ----------------------------------------------------
1898
1899 void RenderViewImpl::didFocus() {
1900   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
1901   //                 we won't have to test for user gesture anymore and we can
1902   //                 move that code back to render_widget.cc
1903   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1904       !RenderThreadImpl::current()->layout_test_mode()) {
1905     Send(new ViewHostMsg_Focus(routing_id_));
1906   }
1907 }
1908
1909 void RenderViewImpl::didBlur() {
1910   // TODO(jcivelli): see TODO above in didFocus().
1911   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1912       !RenderThreadImpl::current()->layout_test_mode()) {
1913     Send(new ViewHostMsg_Blur(routing_id_));
1914   }
1915 }
1916
1917 // We are supposed to get a single call to Show for a newly created RenderView
1918 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
1919 // point to dispatch the ShowView message.
1920 //
1921 // This method provides us with the information about how to display the newly
1922 // created RenderView (i.e., as a blocked popup or as a new tab).
1923 //
1924 void RenderViewImpl::show(WebNavigationPolicy policy) {
1925   if (did_show_) {
1926     // When supports_multiple_windows is disabled, popups are reusing
1927     // the same view. In some scenarios, this makes WebKit to call show() twice.
1928     if (webkit_preferences_.supports_multiple_windows)
1929       NOTREACHED() << "received extraneous Show call";
1930     return;
1931   }
1932   did_show_ = true;
1933
1934   DCHECK(opener_id_ != MSG_ROUTING_NONE);
1935
1936   // Force new windows to a popup if they were not opened with a user gesture.
1937   if (!opened_by_user_gesture_) {
1938     // We exempt background tabs for compat with older versions of Chrome.
1939     // TODO(darin): This seems bogus.  These should have a user gesture, so
1940     // we probably don't need this check.
1941     if (policy != blink::WebNavigationPolicyNewBackgroundTab)
1942       policy = blink::WebNavigationPolicyNewPopup;
1943   }
1944
1945   // NOTE: initial_pos_ may still have its default values at this point, but
1946   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
1947   // browser process will impose a default position otherwise.
1948   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
1949       NavigationPolicyToDisposition(policy), initial_pos_,
1950       opened_by_user_gesture_));
1951   SetPendingWindowRect(initial_pos_);
1952 }
1953
1954 void RenderViewImpl::runModal() {
1955   DCHECK(did_show_) << "should already have shown the view";
1956
1957   // Don't allow further dialogs if we are waiting to swap out, since the
1958   // PageGroupLoadDeferrer in our stack prevents it.
1959   if (suppress_dialogs_until_swap_out_)
1960     return;
1961
1962   // We must keep WebKit's shared timer running in this case in order to allow
1963   // showModalDialog to function properly.
1964   //
1965   // TODO(darin): WebKit should really be smarter about suppressing events and
1966   // timers so that we do not need to manage the shared timer in such a heavy
1967   // handed manner.
1968   //
1969   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1970     RenderThreadImpl::current()->DoNotSuspendWebKitSharedTimer();
1971
1972   SendAndRunNestedMessageLoop(new ViewHostMsg_RunModal(
1973       routing_id_, opener_id_));
1974 }
1975
1976 bool RenderViewImpl::enterFullScreen() {
1977   Send(new ViewHostMsg_ToggleFullscreen(routing_id_, true));
1978   return true;
1979 }
1980
1981 void RenderViewImpl::exitFullScreen() {
1982   Send(new ViewHostMsg_ToggleFullscreen(routing_id_, false));
1983 }
1984
1985 bool RenderViewImpl::requestPointerLock() {
1986   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
1987 }
1988
1989 void RenderViewImpl::requestPointerUnlock() {
1990   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
1991 }
1992
1993 bool RenderViewImpl::isPointerLocked() {
1994   return mouse_lock_dispatcher_->IsMouseLockedTo(
1995       webwidget_mouse_lock_target_.get());
1996 }
1997
1998 // FIXME: To be removed as soon as chromium and blink side changes land
1999 // didActivateCompositor with parameters is still kept in order to land
2000 // these changes s-chromium - https://codereview.chromium.org/137893025/.
2001 // s-blink - https://codereview.chromium.org/138523003/
2002 void RenderViewImpl::didActivateCompositor(int input_handler_identifier) {
2003 #if !defined(OS_MACOSX)  // many events are unhandled - http://crbug.com/138003
2004   InputHandlerManager* input_handler_manager =
2005       RenderThreadImpl::current()->input_handler_manager();
2006   if (input_handler_manager) {
2007      input_handler_manager->AddInputHandler(
2008         routing_id_,
2009         compositor_->GetInputHandler(),
2010         AsWeakPtr());
2011   }
2012 #endif
2013
2014   RenderWidget::didActivateCompositor(input_handler_identifier);
2015 }
2016
2017 void RenderViewImpl::didActivateCompositor() {
2018 #if !defined(OS_MACOSX)  // many events are unhandled - http://crbug.com/138003
2019   InputHandlerManager* input_handler_manager =
2020       RenderThreadImpl::current()->input_handler_manager();
2021   if (input_handler_manager) {
2022      input_handler_manager->AddInputHandler(
2023         routing_id_,
2024         compositor_->GetInputHandler(),
2025         AsWeakPtr());
2026   }
2027 #endif
2028
2029   RenderWidget::didActivateCompositor();
2030 }
2031
2032 void RenderViewImpl::didHandleGestureEvent(
2033     const WebGestureEvent& event,
2034     bool event_cancelled) {
2035   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2036
2037   if (event.type != blink::WebGestureEvent::GestureTap)
2038     return;
2039
2040   blink::WebTextInputType text_input_type =
2041       GetWebView()->textInputInfo().type;
2042
2043   Send(new ViewHostMsg_FocusedNodeTouched(
2044       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2045 }
2046
2047 void RenderViewImpl::initializeLayerTreeView() {
2048   RenderWidget::initializeLayerTreeView();
2049   RenderWidgetCompositor* rwc = compositor();
2050   if (!rwc || !webview() || !webview()->devToolsAgent())
2051     return;
2052   webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
2053 }
2054
2055 // blink::WebFrameClient -----------------------------------------------------
2056
2057 blink::WebMediaPlayer* RenderViewImpl::CreateMediaPlayer(
2058     RenderFrame* render_frame,
2059     blink::WebLocalFrame* frame,
2060     const blink::WebURL& url,
2061     blink::WebMediaPlayerClient* client) {
2062   FOR_EACH_OBSERVER(
2063       RenderViewObserver, observers_, WillCreateMediaPlayer(frame, client));
2064
2065   WebMediaPlayer* player = CreateWebMediaPlayerForMediaStream(frame, url,
2066                                                               client);
2067   if (player)
2068     return player;
2069
2070 #if defined(OS_ANDROID)
2071   return CreateAndroidWebMediaPlayer(frame, url, client);
2072 #else
2073   WebMediaPlayerParams params(
2074       base::Bind(&ContentRendererClient::DeferMediaLoad,
2075                  base::Unretained(GetContentClient()->renderer()),
2076                  static_cast<RenderFrame*>(render_frame)),
2077       RenderThreadImpl::current()->GetAudioRendererMixerManager()->CreateInput(
2078           routing_id_, render_frame->GetRoutingID()));
2079   return new WebMediaPlayerImpl(frame, client, AsWeakPtr(), params);
2080 #endif  // defined(OS_ANDROID)
2081 }
2082
2083 void RenderViewImpl::didAccessInitialDocument(WebLocalFrame* frame) {
2084   // Notify the browser process that it is no longer safe to show the pending
2085   // URL of the main frame, since a URL spoof is now possible.
2086   if (!frame->parent() && page_id_ == -1)
2087     Send(new ViewHostMsg_DidAccessInitialDocument(routing_id_));
2088 }
2089
2090 void RenderViewImpl::didDisownOpener(blink::WebLocalFrame* frame) {
2091   // We only need to notify the browser if the active, top-level frame clears
2092   // its opener.  We can ignore cases where a swapped out frame clears its
2093   // opener after hearing about it from the browser, and the browser does not
2094   // (yet) care about subframe openers.
2095   if (is_swapped_out_ || frame->parent())
2096     return;
2097
2098   // Notify WebContents and all its swapped out RenderViews.
2099   Send(new ViewHostMsg_DidDisownOpener(routing_id_));
2100 }
2101
2102 void RenderViewImpl::frameDetached(WebFrame* frame) {
2103   // NOTE: We may get here for either the main frame or for subframes.  The
2104   // RenderFrameImpl will be deleted immediately after this call for subframes
2105   // but not for the main frame, which is owned by |main_render_frame_|.
2106
2107   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FrameDetached(frame));
2108 }
2109
2110 void RenderViewImpl::willClose(WebFrame* frame) {
2111   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FrameWillClose(frame));
2112 }
2113
2114 void RenderViewImpl::didMatchCSS(
2115     WebLocalFrame* frame,
2116     const WebVector<WebString>& newly_matching_selectors,
2117     const WebVector<WebString>& stopped_matching_selectors) {
2118   FOR_EACH_OBSERVER(
2119       RenderViewObserver, observers_,
2120       DidMatchCSS(frame, newly_matching_selectors, stopped_matching_selectors));
2121 }
2122
2123 void RenderViewImpl::Repaint(const gfx::Size& size) {
2124   OnRepaint(size);
2125 }
2126
2127 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2128                                                    const std::string& value) {
2129   EditCommands edit_commands;
2130   edit_commands.push_back(EditCommand(name, value));
2131   OnSetEditCommandsForNextKeyEvent(edit_commands);
2132 }
2133
2134 void RenderViewImpl::ClearEditCommands() {
2135   edit_commands_.clear();
2136 }
2137
2138 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2139   std::string security_info;
2140   if (frame && frame->dataSource())
2141     security_info = frame->dataSource()->response().securityInfo();
2142
2143   SSLStatus ssl_status;
2144   DeserializeSecurityInfo(security_info,
2145                           &ssl_status.cert_id,
2146                           &ssl_status.cert_status,
2147                           &ssl_status.security_bits,
2148                           &ssl_status.connection_status,
2149                           &ssl_status.signed_certificate_timestamp_ids);
2150   return ssl_status;
2151 }
2152
2153 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2154   return renderer_preferences_.accept_languages;
2155 }
2156
2157 void RenderViewImpl::willSendSubmitEvent(blink::WebLocalFrame* frame,
2158                                          const blink::WebFormElement& form) {
2159   FOR_EACH_OBSERVER(
2160       RenderViewObserver, observers_, WillSendSubmitEvent(frame, form));
2161 }
2162
2163 void RenderViewImpl::willSubmitForm(WebLocalFrame* frame,
2164                                     const WebFormElement& form) {
2165   FOR_EACH_OBSERVER(
2166       RenderViewObserver, observers_, WillSubmitForm(frame, form));
2167 }
2168
2169 void RenderViewImpl::didCreateDataSource(WebLocalFrame* frame,
2170                                          WebDataSource* ds) {
2171   bool content_initiated = !pending_navigation_params_.get();
2172
2173   // Make sure any previous redirect URLs end up in our new data source.
2174   if (pending_navigation_params_.get()) {
2175     for (std::vector<GURL>::const_iterator i =
2176              pending_navigation_params_->redirects.begin();
2177          i != pending_navigation_params_->redirects.end(); ++i) {
2178       ds->appendRedirect(*i);
2179     }
2180   }
2181
2182   DocumentState* document_state = DocumentState::FromDataSource(ds);
2183   if (!document_state) {
2184     document_state = new DocumentState;
2185     ds->setExtraData(document_state);
2186     if (!content_initiated)
2187       PopulateDocumentStateFromPending(document_state);
2188   }
2189
2190   // Carry over the user agent override flag, if it exists.
2191   if (content_initiated && webview() && webview()->mainFrame() &&
2192       webview()->mainFrame()->dataSource()) {
2193     DocumentState* old_document_state =
2194         DocumentState::FromDataSource(webview()->mainFrame()->dataSource());
2195     if (old_document_state) {
2196       InternalDocumentStateData* internal_data =
2197           InternalDocumentStateData::FromDocumentState(document_state);
2198       InternalDocumentStateData* old_internal_data =
2199           InternalDocumentStateData::FromDocumentState(old_document_state);
2200       internal_data->set_is_overriding_user_agent(
2201           old_internal_data->is_overriding_user_agent());
2202     }
2203   }
2204
2205   // The rest of RenderView assumes that a WebDataSource will always have a
2206   // non-null NavigationState.
2207   if (content_initiated) {
2208     document_state->set_navigation_state(
2209         NavigationState::CreateContentInitiated());
2210   } else {
2211     document_state->set_navigation_state(CreateNavigationStateFromPending());
2212     pending_navigation_params_.reset();
2213   }
2214
2215   // DocumentState::referred_by_prefetcher_ is true if we are
2216   // navigating from a page that used prefetching using a link on that
2217   // page.  We are early enough in the request process here that we
2218   // can still see the DocumentState of the previous page and set
2219   // this value appropriately.
2220   // TODO(gavinp): catch the important case of navigation in a new
2221   // renderer process.
2222   if (webview()) {
2223     if (WebFrame* old_frame = webview()->mainFrame()) {
2224       const WebURLRequest& original_request = ds->originalRequest();
2225       const GURL referrer(
2226           original_request.httpHeaderField(WebString::fromUTF8("Referer")));
2227       if (!referrer.is_empty() &&
2228           DocumentState::FromDataSource(
2229               old_frame->dataSource())->was_prefetcher()) {
2230         for (; old_frame; old_frame = old_frame->traverseNext(false)) {
2231           WebDataSource* old_frame_ds = old_frame->dataSource();
2232           if (old_frame_ds && referrer == GURL(old_frame_ds->request().url())) {
2233             document_state->set_was_referred_by_prefetcher(true);
2234             break;
2235           }
2236         }
2237       }
2238     }
2239   }
2240
2241   if (content_initiated) {
2242     const WebURLRequest& request = ds->request();
2243     switch (request.cachePolicy()) {
2244       case WebURLRequest::UseProtocolCachePolicy:  // normal load.
2245         document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
2246         break;
2247       case WebURLRequest::ReloadIgnoringCacheData:  // reload.
2248         document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
2249         break;
2250       case WebURLRequest::ReturnCacheDataElseLoad:  // allow stale data.
2251         document_state->set_load_type(
2252             DocumentState::LINK_LOAD_CACHE_STALE_OK);
2253         break;
2254       case WebURLRequest::ReturnCacheDataDontLoad:  // Don't re-post.
2255         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
2256         break;
2257     }
2258   }
2259
2260   FOR_EACH_OBSERVER(
2261       RenderViewObserver, observers_, DidCreateDataSource(frame, ds));
2262 }
2263
2264 void RenderViewImpl::PopulateDocumentStateFromPending(
2265     DocumentState* document_state) {
2266   const FrameMsg_Navigate_Params& params = *pending_navigation_params_.get();
2267   document_state->set_request_time(params.request_time);
2268
2269   InternalDocumentStateData* internal_data =
2270       InternalDocumentStateData::FromDocumentState(document_state);
2271
2272   if (!params.url.SchemeIs(kJavaScriptScheme) &&
2273       params.navigation_type == FrameMsg_Navigate_Type::RESTORE) {
2274     // We're doing a load of a page that was restored from the last session. By
2275     // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
2276     // can result in stale data for pages that are set to expire. We explicitly
2277     // override that by setting the policy here so that as necessary we load
2278     // from the network.
2279     //
2280     // TODO(davidben): Remove this in favor of passing a cache policy to the
2281     // loadHistoryItem call in OnNavigate. That requires not overloading
2282     // UseProtocolCachePolicy to mean both "normal load" and "determine cache
2283     // policy based on load type, etc".
2284     internal_data->set_cache_policy_override(
2285         WebURLRequest::UseProtocolCachePolicy);
2286   }
2287
2288   if (IsReload(params))
2289     document_state->set_load_type(DocumentState::RELOAD);
2290   else if (params.page_state.IsValid())
2291     document_state->set_load_type(DocumentState::HISTORY_LOAD);
2292   else
2293     document_state->set_load_type(DocumentState::NORMAL_LOAD);
2294
2295   internal_data->set_is_overriding_user_agent(params.is_overriding_user_agent);
2296   internal_data->set_must_reset_scroll_and_scale_state(
2297       params.navigation_type ==
2298           FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
2299   document_state->set_can_load_local_resources(params.can_load_local_resources);
2300 }
2301
2302 NavigationState* RenderViewImpl::CreateNavigationStateFromPending() {
2303   const FrameMsg_Navigate_Params& params = *pending_navigation_params_.get();
2304   NavigationState* navigation_state = NULL;
2305
2306   // A navigation resulting from loading a javascript URL should not be treated
2307   // as a browser initiated event.  Instead, we want it to look as if the page
2308   // initiated any load resulting from JS execution.
2309   if (!params.url.SchemeIs(kJavaScriptScheme)) {
2310     navigation_state = NavigationState::CreateBrowserInitiated(
2311         params.page_id,
2312         params.pending_history_list_offset,
2313         params.should_clear_history_list,
2314         params.transition);
2315     navigation_state->set_should_replace_current_entry(
2316         params.should_replace_current_entry);
2317     navigation_state->set_transferred_request_child_id(
2318         params.transferred_request_child_id);
2319     navigation_state->set_transferred_request_request_id(
2320         params.transferred_request_request_id);
2321     navigation_state->set_allow_download(params.allow_download);
2322     navigation_state->set_extra_headers(params.extra_headers);
2323   } else {
2324     navigation_state = NavigationState::CreateContentInitiated();
2325   }
2326   return navigation_state;
2327 }
2328
2329 void RenderViewImpl::ProcessViewLayoutFlags(const CommandLine& command_line) {
2330   bool enable_viewport =
2331       command_line.HasSwitch(switches::kEnableViewport) ||
2332       command_line.HasSwitch(switches::kEnableViewportMeta);
2333
2334   // If viewport tag is enabled, then the WebKit side will take care
2335   // of setting the fixed layout size and page scale limits.
2336   if (enable_viewport)
2337     return;
2338
2339   // When navigating to a new page, reset the page scale factor to be 1.0.
2340   webview()->setInitialPageScaleOverride(1.f);
2341
2342   float maxPageScaleFactor =
2343       command_line.HasSwitch(switches::kEnablePinch) ? 4.f : 1.f ;
2344   webview()->setPageScaleFactorLimits(1, maxPageScaleFactor);
2345 }
2346
2347 void RenderViewImpl::didFailProvisionalLoad(WebLocalFrame* frame,
2348                                             const WebURLError& error) {
2349   // Notify the browser that we failed a provisional load with an error.
2350   //
2351   // Note: It is important this notification occur before DidStopLoading so the
2352   //       SSL manager can react to the provisional load failure before being
2353   //       notified the load stopped.
2354   //
2355   FOR_EACH_OBSERVER(
2356       RenderViewObserver, observers_, DidFailProvisionalLoad(frame, error));
2357 }
2358
2359 void RenderViewImpl::FrameDidCommitProvisionalLoad(WebLocalFrame* frame,
2360                                                    bool is_new_navigation) {
2361   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
2362                     DidCommitProvisionalLoad(frame, is_new_navigation));
2363
2364   // TODO(nasko): Transition this code to RenderFrameImpl, since g_view_map is
2365   // not accessible from there.
2366   if (!frame->parent()) {  // Only for top frames.
2367     RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
2368     if (render_thread_impl) {  // Can be NULL in tests.
2369       render_thread_impl->histogram_customizer()->
2370           RenderViewNavigatedToHost(GURL(GetLoadingUrl(frame)).host(),
2371                                     g_view_map.Get().size());
2372     }
2373   }
2374 }
2375
2376 void RenderViewImpl::didClearWindowObject(WebLocalFrame* frame, int world_id) {
2377   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
2378                     DidClearWindowObject(frame, world_id));
2379
2380   // Only install controllers into the main world.
2381   if (world_id)
2382     return;
2383
2384   if (enabled_bindings_& BINDINGS_POLICY_WEB_UI)
2385     WebUIExtension::Install(frame);
2386
2387   if (enabled_bindings_ & BINDINGS_POLICY_STATS_COLLECTION)
2388     StatsCollectionController::Install(frame);
2389
2390   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
2391
2392   if (command_line.HasSwitch(switches::kEnableSkiaBenchmarking))
2393     SkiaBenchmarking::Install(frame);
2394
2395   if (command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
2396     MemoryBenchmarkingExtension::Install(frame);
2397 }
2398
2399 void RenderViewImpl::didCreateDocumentElement(WebLocalFrame* frame) {
2400   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
2401                     DidCreateDocumentElement(frame));
2402 }
2403
2404 void RenderViewImpl::didReceiveTitle(WebLocalFrame* frame,
2405                                      const WebString& title,
2406                                      WebTextDirection direction) {
2407   UpdateTitle(frame, title, direction);
2408
2409   // Also check whether we have new encoding name.
2410   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2411 }
2412
2413 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2414                                    WebIconURL::Type icon_type) {
2415   if (frame->parent())
2416     return;
2417
2418   if (!TouchEnabled() && icon_type != WebIconURL::TypeFavicon)
2419     return;
2420
2421   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2422   std::vector<FaviconURL> urls;
2423   for (size_t i = 0; i < icon_urls.size(); i++) {
2424     std::vector<gfx::Size> sizes;
2425     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2426     urls.push_back(FaviconURL(
2427         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2428   }
2429   SendUpdateFaviconURL(urls);
2430 }
2431
2432 void RenderViewImpl::didFinishDocumentLoad(WebLocalFrame* frame) {
2433   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
2434                     DidFinishDocumentLoad(frame));
2435 }
2436
2437 void RenderViewImpl::didHandleOnloadEvents(WebLocalFrame* frame) {
2438   if (webview()->mainFrame() == frame) {
2439     Send(new ViewHostMsg_DocumentOnLoadCompletedInMainFrame(routing_id_,
2440                                                             page_id_));
2441   }
2442 }
2443
2444 void RenderViewImpl::didFailLoad(WebLocalFrame* frame,
2445                                  const WebURLError& error) {
2446   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidFailLoad(frame, error));
2447 }
2448
2449 void RenderViewImpl::didFinishLoad(WebLocalFrame* frame) {
2450   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidFinishLoad(frame));
2451 }
2452
2453 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2454   StartNavStateSyncTimerIfNecessary();
2455 }
2456
2457 void RenderViewImpl::didFinishResourceLoad(WebLocalFrame* frame,
2458                                            unsigned identifier) {
2459   InternalDocumentStateData* internal_data =
2460       InternalDocumentStateData::FromDataSource(frame->dataSource());
2461   if (!internal_data->use_error_page())
2462     return;
2463
2464   // Do not show error page when DevTools is attached.
2465   if (devtools_agent_->IsAttached())
2466     return;
2467
2468   // Display error page, if appropriate.
2469   std::string error_domain = "http";
2470   int http_status_code = internal_data->http_status_code();
2471   if (GetContentClient()->renderer()->HasErrorPage(
2472           http_status_code, &error_domain)) {
2473     WebURLError error;
2474     error.unreachableURL = frame->document().url();
2475     error.domain = WebString::fromUTF8(error_domain);
2476     error.reason = http_status_code;
2477     LoadNavigationErrorPage(frame, frame->dataSource()->request(), error, true);
2478   }
2479 }
2480
2481 void RenderViewImpl::CheckPreferredSize() {
2482   // We don't always want to send the change messages over IPC, only if we've
2483   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2484   // message.
2485   if (!send_preferred_size_changes_ || !webview())
2486     return;
2487
2488   gfx::Size size = webview()->contentsPreferredMinimumSize();
2489
2490   // In the presence of zoom, these sizes are still reported as if unzoomed,
2491   // so we need to adjust.
2492   double zoom_factor = ZoomLevelToZoomFactor(webview()->zoomLevel());
2493   size.set_width(static_cast<int>(size.width() * zoom_factor));
2494   size.set_height(static_cast<int>(size.height() * zoom_factor));
2495
2496   if (size == preferred_size_)
2497     return;
2498
2499   preferred_size_ = size;
2500   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2501                                                       preferred_size_));
2502 }
2503
2504 BrowserPluginManager* RenderViewImpl::GetBrowserPluginManager() {
2505   if (!browser_plugin_manager_.get())
2506     browser_plugin_manager_ = BrowserPluginManager::Create(this);
2507   return browser_plugin_manager_.get();
2508 }
2509
2510 bool RenderViewImpl::InitializeMediaStreamClient() {
2511   if (media_stream_client_)
2512     return true;
2513
2514   if (!RenderThreadImpl::current())  // Will be NULL during unit tests.
2515     return false;
2516
2517 #if defined(OS_ANDROID)
2518   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableWebRTC))
2519     return false;
2520 #endif
2521
2522 #if defined(ENABLE_WEBRTC)
2523   if (!media_stream_dispatcher_)
2524     media_stream_dispatcher_ = new MediaStreamDispatcher(this);
2525
2526   MediaStreamImpl* media_stream_impl = new MediaStreamImpl(
2527       this,
2528       media_stream_dispatcher_,
2529       RenderThreadImpl::current()->GetMediaStreamDependencyFactory());
2530   media_stream_client_ = media_stream_impl;
2531   web_user_media_client_ = media_stream_impl;
2532   return true;
2533 #else
2534   return false;
2535 #endif
2536 }
2537
2538 void RenderViewImpl::didChangeContentsSize(WebLocalFrame* frame,
2539                                            const WebSize& size) {
2540   if (webview()->mainFrame() != frame)
2541     return;
2542   WebView* frameView = frame->view();
2543   if (!frameView)
2544     return;
2545
2546   bool has_horizontal_scrollbar = frame->hasHorizontalScrollbar();
2547   bool has_vertical_scrollbar = frame->hasVerticalScrollbar();
2548
2549   if (has_horizontal_scrollbar != cached_has_main_frame_horizontal_scrollbar_ ||
2550       has_vertical_scrollbar != cached_has_main_frame_vertical_scrollbar_) {
2551     Send(new ViewHostMsg_DidChangeScrollbarsForMainFrame(
2552           routing_id_, has_horizontal_scrollbar, has_vertical_scrollbar));
2553
2554     cached_has_main_frame_horizontal_scrollbar_ = has_horizontal_scrollbar;
2555     cached_has_main_frame_vertical_scrollbar_ = has_vertical_scrollbar;
2556   }
2557 }
2558
2559 void RenderViewImpl::UpdateScrollState(WebFrame* frame) {
2560   WebSize offset = frame->scrollOffset();
2561   WebSize minimum_offset = frame->minimumScrollOffset();
2562   WebSize maximum_offset = frame->maximumScrollOffset();
2563
2564   bool is_pinned_to_left = offset.width <= minimum_offset.width;
2565   bool is_pinned_to_right = offset.width >= maximum_offset.width;
2566
2567   if (is_pinned_to_left != cached_is_main_frame_pinned_to_left_ ||
2568       is_pinned_to_right != cached_is_main_frame_pinned_to_right_) {
2569     Send(new ViewHostMsg_DidChangeScrollOffsetPinningForMainFrame(
2570           routing_id_, is_pinned_to_left, is_pinned_to_right));
2571
2572     cached_is_main_frame_pinned_to_left_ = is_pinned_to_left;
2573     cached_is_main_frame_pinned_to_right_ = is_pinned_to_right;
2574   }
2575
2576   Send(new ViewHostMsg_DidChangeScrollOffset(routing_id_));
2577 }
2578
2579 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2580   StartNavStateSyncTimerIfNecessary();
2581
2582   if (webview()->mainFrame() == frame)
2583     UpdateScrollState(frame);
2584
2585   FOR_EACH_OBSERVER(
2586       RenderViewObserver, observers_, DidChangeScrollOffset(frame));
2587 }
2588
2589 void RenderViewImpl::didFirstVisuallyNonEmptyLayout(WebLocalFrame* frame) {
2590   if (frame != webview()->mainFrame())
2591     return;
2592
2593   InternalDocumentStateData* data =
2594       InternalDocumentStateData::FromDataSource(frame->dataSource());
2595   data->set_did_first_visually_non_empty_layout(true);
2596
2597 #if defined(OS_ANDROID)
2598   // Update body background color if necessary.
2599   SkColor bg_color = webwidget_->backgroundColor();
2600
2601   // If not initialized, default to white. Note that 0 is different from black
2602   // as black still has alpha 0xFF.
2603   if (!bg_color)
2604     bg_color = SK_ColorWHITE;
2605
2606   if (bg_color != body_background_color_) {
2607     body_background_color_ = bg_color;
2608     Send(new ViewHostMsg_DidChangeBodyBackgroundColor(
2609         GetRoutingID(), bg_color));
2610   }
2611 #endif
2612 }
2613
2614 void RenderViewImpl::SendFindReply(int request_id,
2615                                    int match_count,
2616                                    int ordinal,
2617                                    const WebRect& selection_rect,
2618                                    bool final_status_update) {
2619   Send(new ViewHostMsg_Find_Reply(routing_id_,
2620                                   request_id,
2621                                   match_count,
2622                                   selection_rect,
2623                                   ordinal,
2624                                   final_status_update));
2625 }
2626
2627 bool RenderViewImpl::willCheckAndDispatchMessageEvent(
2628     blink::WebLocalFrame* sourceFrame,
2629     blink::WebFrame* targetFrame,
2630     blink::WebSecurityOrigin target_origin,
2631     blink::WebDOMMessageEvent event) {
2632   if (!is_swapped_out_)
2633     return false;
2634
2635   ViewMsg_PostMessage_Params params;
2636   params.data = event.data().toString();
2637   params.source_origin = event.origin();
2638   if (!target_origin.isNull())
2639     params.target_origin = target_origin.toString();
2640
2641   blink::WebMessagePortChannelArray channels = event.releaseChannels();
2642   if (!channels.isEmpty()) {
2643     std::vector<int> message_port_ids(channels.size());
2644      // Extract the port IDs from the channel array.
2645      for (size_t i = 0; i < channels.size(); ++i) {
2646        WebMessagePortChannelImpl* webchannel =
2647            static_cast<WebMessagePortChannelImpl*>(channels[i]);
2648        message_port_ids[i] = webchannel->message_port_id();
2649        webchannel->QueueMessages();
2650        DCHECK_NE(message_port_ids[i], MSG_ROUTING_NONE);
2651      }
2652      params.message_port_ids = message_port_ids;
2653   }
2654
2655   // Include the routing ID for the source frame (if one exists), which the
2656   // browser process will translate into the routing ID for the equivalent
2657   // frame in the target process.
2658   params.source_routing_id = MSG_ROUTING_NONE;
2659   if (sourceFrame) {
2660     RenderViewImpl* source_view = FromWebView(sourceFrame->view());
2661     if (source_view)
2662       params.source_routing_id = source_view->routing_id();
2663   }
2664
2665   Send(new ViewHostMsg_RouteMessageEvent(routing_id_, params));
2666   return true;
2667 }
2668
2669 blink::WebString RenderViewImpl::acceptLanguages() {
2670   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2671 }
2672
2673 // blink::WebPageSerializerClient implementation ------------------------------
2674
2675 void RenderViewImpl::didSerializeDataForFrame(
2676     const WebURL& frame_url,
2677     const WebCString& data,
2678     WebPageSerializerClient::PageSerializationStatus status) {
2679   Send(new ViewHostMsg_SendSerializedHtmlData(
2680     routing_id(),
2681     frame_url,
2682     data.data(),
2683     static_cast<int32>(status)));
2684 }
2685
2686 // RenderView implementation ---------------------------------------------------
2687
2688 bool RenderViewImpl::Send(IPC::Message* message) {
2689   return RenderWidget::Send(message);
2690 }
2691
2692 RenderFrame* RenderViewImpl::GetMainRenderFrame() {
2693   return main_render_frame_.get();
2694 }
2695
2696 int RenderViewImpl::GetRoutingID() const {
2697   return routing_id_;
2698 }
2699
2700 int RenderViewImpl::GetPageId() const {
2701   return page_id_;
2702 }
2703
2704 gfx::Size RenderViewImpl::GetSize() const {
2705   return size();
2706 }
2707
2708 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2709   return webkit_preferences_;
2710 }
2711
2712 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2713   OnUpdateWebPreferences(preferences);
2714 }
2715
2716 blink::WebView* RenderViewImpl::GetWebView() {
2717   return webview();
2718 }
2719
2720 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2721   if (!webview())
2722     return WebElement();
2723   WebFrame* focused_frame = webview()->focusedFrame();
2724   if (focused_frame) {
2725     WebDocument doc = focused_frame->document();
2726     if (!doc.isNull())
2727       return doc.focusedElement();
2728   }
2729
2730   return WebElement();
2731 }
2732
2733 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2734   if (node.isNull())
2735     return false;
2736
2737   if (node.isContentEditable())
2738     return true;
2739
2740   if (node.isElementNode()) {
2741     const WebElement& element = node.toConst<WebElement>();
2742     if (element.isTextFormControlElement())
2743       return true;
2744
2745     // Also return true if it has an ARIA role of 'textbox'.
2746     for (unsigned i = 0; i < element.attributeCount(); ++i) {
2747       if (LowerCaseEqualsASCII(element.attributeLocalName(i), "role")) {
2748         if (LowerCaseEqualsASCII(element.attributeValue(i), "textbox"))
2749           return true;
2750         break;
2751       }
2752     }
2753   }
2754
2755   return false;
2756 }
2757
2758 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2759   return (!send_preferred_size_changes_ ||
2760           (disable_scrollbars_size_limit_.width() <= width ||
2761            disable_scrollbars_size_limit_.height() <= height));
2762 }
2763
2764 int RenderViewImpl::GetEnabledBindings() const {
2765   return enabled_bindings_;
2766 }
2767
2768 bool RenderViewImpl::GetContentStateImmediately() const {
2769   return send_content_state_immediately_;
2770 }
2771
2772 float RenderViewImpl::GetFilteredTimePerFrame() const {
2773   return filtered_time_per_frame();
2774 }
2775
2776 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2777   return visibilityState();
2778 }
2779
2780 void RenderViewImpl::DidStartLoading() {
2781   main_render_frame_->didStartLoading(true);
2782 }
2783
2784 void RenderViewImpl::DidStopLoading() {
2785   main_render_frame_->didStopLoading();
2786 }
2787
2788 void RenderViewImpl::DidPlay(blink::WebMediaPlayer* player) {
2789   Send(new ViewHostMsg_MediaPlayingNotification(routing_id_,
2790                                                 reinterpret_cast<int64>(player),
2791                                                 player->hasVideo(),
2792                                                 player->hasAudio()));
2793 }
2794
2795 void RenderViewImpl::DidPause(blink::WebMediaPlayer* player) {
2796   Send(new ViewHostMsg_MediaPausedNotification(
2797       routing_id_, reinterpret_cast<int64>(player)));
2798 }
2799
2800 void RenderViewImpl::PlayerGone(blink::WebMediaPlayer* player) {
2801   DidPause(player);
2802 }
2803
2804 void RenderViewImpl::SyncNavigationState() {
2805   if (!webview())
2806     return;
2807
2808   WebHistoryItem item = history_controller_->GetCurrentItemForExport();
2809   SendUpdateState(item);
2810 }
2811
2812 GURL RenderViewImpl::GetLoadingUrl(blink::WebFrame* frame) const {
2813   WebDataSource* ds = frame->dataSource();
2814   if (ds->hasUnreachableURL())
2815     return ds->unreachableURL();
2816
2817   const WebURLRequest& request = ds->request();
2818   return request.url();
2819 }
2820
2821 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2822   if (!webview())
2823     return NULL;
2824
2825   WebFrame* main_frame = webview()->mainFrame();
2826   if (main_frame->document().isPluginDocument())
2827     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2828
2829 #if defined(ENABLE_PLUGINS)
2830   if (plugin_find_handler_)
2831     return plugin_find_handler_->container()->plugin();
2832 #endif
2833
2834   return NULL;
2835 }
2836
2837 void RenderViewImpl::OnFind(int request_id,
2838                             const base::string16& search_text,
2839                             const WebFindOptions& options) {
2840   WebFrame* main_frame = webview()->mainFrame();
2841   blink::WebPlugin* plugin = GetWebPluginForFind();
2842   // Check if the plugin still exists in the document.
2843   if (plugin) {
2844     if (options.findNext) {
2845       // Just navigate back/forward.
2846       plugin->selectFindResult(options.forward);
2847     } else {
2848       if (!plugin->startFind(
2849           search_text, options.matchCase, request_id)) {
2850         // Send "no results".
2851         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2852       }
2853     }
2854     return;
2855   }
2856
2857   WebFrame* frame_after_main = main_frame->traverseNext(true);
2858   WebFrame* focused_frame = webview()->focusedFrame();
2859   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2860
2861   bool multi_frame = (frame_after_main != main_frame);
2862
2863   // If we have multiple frames, we don't want to wrap the search within the
2864   // frame, so we check here if we only have main_frame in the chain.
2865   bool wrap_within_frame = !multi_frame;
2866
2867   WebRect selection_rect;
2868   bool result = false;
2869
2870   // If something is selected when we start searching it means we cannot just
2871   // increment the current match ordinal; we need to re-generate it.
2872   WebRange current_selection = focused_frame->selectionRange();
2873
2874   do {
2875     result = search_frame->find(
2876         request_id, search_text, options, wrap_within_frame, &selection_rect);
2877
2878     if (!result) {
2879       // don't leave text selected as you move to the next frame.
2880       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2881                                    GetFocusedElement());
2882
2883       // Find the next frame, but skip the invisible ones.
2884       do {
2885         // What is the next frame to search? (we might be going backwards). Note
2886         // that we specify wrap=true so that search_frame never becomes NULL.
2887         search_frame = options.forward ?
2888             search_frame->traverseNext(true) :
2889             search_frame->traversePrevious(true);
2890       } while (!search_frame->hasVisibleContent() &&
2891                search_frame != focused_frame);
2892
2893       // Make sure selection doesn't affect the search operation in new frame.
2894       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2895                                    GetFocusedElement());
2896
2897       // If we have multiple frames and we have wrapped back around to the
2898       // focused frame, we need to search it once more allowing wrap within
2899       // the frame, otherwise it will report 'no match' if the focused frame has
2900       // reported matches, but no frames after the focused_frame contain a
2901       // match for the search word(s).
2902       if (multi_frame && search_frame == focused_frame) {
2903         result = search_frame->find(
2904             request_id, search_text, options, true,  // Force wrapping.
2905             &selection_rect);
2906       }
2907     }
2908
2909     webview()->setFocusedFrame(search_frame);
2910   } while (!result && search_frame != focused_frame);
2911
2912   if (options.findNext && current_selection.isNull()) {
2913     // Force the main_frame to report the actual count.
2914     main_frame->increaseMatchCount(0, request_id);
2915   } else {
2916     // If nothing is found, set result to "0 of 0", otherwise, set it to
2917     // "-1 of 1" to indicate that we found at least one item, but we don't know
2918     // yet what is active.
2919     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2920     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2921
2922     // If we find no matches then this will be our last status update.
2923     // Otherwise the scoping effort will send more results.
2924     bool final_status_update = !result;
2925
2926     SendFindReply(request_id, match_count, ordinal, selection_rect,
2927                   final_status_update);
2928
2929     // Scoping effort begins, starting with the mainframe.
2930     search_frame = main_frame;
2931
2932     main_frame->resetMatchCount();
2933
2934     do {
2935       // Cancel all old scoping requests before starting a new one.
2936       search_frame->cancelPendingScopingEffort();
2937
2938       // We don't start another scoping effort unless at least one match has
2939       // been found.
2940       if (result) {
2941         // Start new scoping request. If the scoping function determines that it
2942         // needs to scope, it will defer until later.
2943         search_frame->scopeStringMatches(request_id,
2944                                          search_text,
2945                                          options,
2946                                          true);  // reset the tickmarks
2947       }
2948
2949       // Iterate to the next frame. The frame will not necessarily scope, for
2950       // example if it is not visible.
2951       search_frame = search_frame->traverseNext(true);
2952     } while (search_frame != main_frame);
2953   }
2954 }
2955
2956 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2957   WebView* view = webview();
2958   if (!view)
2959     return;
2960
2961   blink::WebPlugin* plugin = GetWebPluginForFind();
2962   if (plugin) {
2963     plugin->stopFind();
2964     return;
2965   }
2966
2967   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2968   if (clear_selection) {
2969     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2970                                          GetFocusedElement());
2971   }
2972
2973   WebFrame* frame = view->mainFrame();
2974   while (frame) {
2975     frame->stopFinding(clear_selection);
2976     frame = frame->traverseNext(false);
2977   }
2978
2979   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2980     WebFrame* focused_frame = view->focusedFrame();
2981     if (focused_frame) {
2982       WebDocument doc = focused_frame->document();
2983       if (!doc.isNull()) {
2984         WebElement element = doc.focusedElement();
2985         if (!element.isNull())
2986           element.simulateClick();
2987       }
2988     }
2989   }
2990 }
2991
2992 #if defined(OS_ANDROID)
2993 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2994                                                  float x, float y) {
2995   if (!webview())
2996       return;
2997
2998   WebFrame* main_frame = webview()->mainFrame();
2999   WebRect selection_rect;
3000   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
3001                                                    &selection_rect);
3002   if (ordinal == -1) {
3003     // Something went wrong, so send a no-op reply (force the main_frame to
3004     // report the current match count) in case the host is waiting for a
3005     // response due to rate-limiting).
3006     main_frame->increaseMatchCount(0, request_id);
3007     return;
3008   }
3009
3010   SendFindReply(request_id,
3011                 -1 /* number_of_matches */,
3012                 ordinal,
3013                 selection_rect,
3014                 true /* final_update */);
3015 }
3016
3017 void RenderViewImpl::OnFindMatchRects(int current_version) {
3018   if (!webview())
3019       return;
3020
3021   WebFrame* main_frame = webview()->mainFrame();
3022   std::vector<gfx::RectF> match_rects;
3023
3024   int rects_version = main_frame->findMatchMarkersVersion();
3025   if (current_version != rects_version) {
3026     WebVector<WebFloatRect> web_match_rects;
3027     main_frame->findMatchRects(web_match_rects);
3028     match_rects.reserve(web_match_rects.size());
3029     for (size_t i = 0; i < web_match_rects.size(); ++i)
3030       match_rects.push_back(gfx::RectF(web_match_rects[i]));
3031   }
3032
3033   gfx::RectF active_rect = main_frame->activeFindMatchRect();
3034   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
3035                                                rects_version,
3036                                                match_rects,
3037                                                active_rect));
3038 }
3039 #endif
3040
3041 void RenderViewImpl::OnZoom(PageZoom zoom) {
3042   if (!webview())  // Not sure if this can happen, but no harm in being safe.
3043     return;
3044
3045   webview()->hidePopups();
3046
3047   double old_zoom_level = webview()->zoomLevel();
3048   double zoom_level;
3049   if (zoom == PAGE_ZOOM_RESET) {
3050     zoom_level = 0;
3051   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
3052     // Previous zoom level is a whole number, so just increment/decrement.
3053     zoom_level = old_zoom_level + zoom;
3054   } else {
3055     // Either the user hit the zoom factor limit and thus the zoom level is now
3056     // not a whole number, or a plugin changed it to a custom value.  We want
3057     // to go to the next whole number so that the user can always get back to
3058     // 100% with the keyboard/menu.
3059     if ((old_zoom_level > 1 && zoom > 0) ||
3060         (old_zoom_level < 1 && zoom < 0)) {
3061       zoom_level = static_cast<int>(old_zoom_level + zoom);
3062     } else {
3063       // We're going towards 100%, so first go to the next whole number.
3064       zoom_level = static_cast<int>(old_zoom_level);
3065     }
3066   }
3067   webview()->setZoomLevel(zoom_level);
3068   zoomLevelChanged();
3069 }
3070
3071 void RenderViewImpl::OnSetZoomLevel(double zoom_level) {
3072   webview()->hidePopups();
3073   webview()->setZoomLevel(zoom_level);
3074   zoomLevelChanged();
3075 }
3076
3077 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
3078                                                  double zoom_level) {
3079 #if !defined(OS_ANDROID)
3080   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
3081   // for legacy WebView text scaling emulation. Thus, the code that resets
3082   // the zoom level from this map will be effectively resetting text zoom level.
3083   host_zoom_levels_[url] = zoom_level;
3084 #endif
3085 }
3086
3087 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
3088   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
3089 }
3090
3091 void RenderViewImpl::OnResetPageEncodingToDefault() {
3092   WebString no_encoding;
3093   webview()->setPageEncoding(no_encoding);
3094 }
3095
3096 void RenderViewImpl::OnPostMessageEvent(
3097     const ViewMsg_PostMessage_Params& params) {
3098   // TODO(nasko): Support sending to subframes.
3099   WebFrame* frame = webview()->mainFrame();
3100
3101   // Find the source frame if it exists.
3102   WebFrame* source_frame = NULL;
3103   if (params.source_routing_id != MSG_ROUTING_NONE) {
3104     RenderViewImpl* source_view = FromRoutingID(params.source_routing_id);
3105     if (source_view)
3106       source_frame = source_view->webview()->mainFrame();
3107   }
3108
3109   // If the message contained MessagePorts, create the corresponding endpoints.
3110   DCHECK_EQ(params.message_port_ids.size(), params.new_routing_ids.size());
3111   blink::WebMessagePortChannelArray channels(params.message_port_ids.size());
3112   for (size_t i = 0;
3113        i < params.message_port_ids.size() && i < params.new_routing_ids.size();
3114        ++i) {
3115     channels[i] =
3116         new WebMessagePortChannelImpl(params.new_routing_ids[i],
3117                                       params.message_port_ids[i],
3118                                       base::MessageLoopProxy::current().get());
3119   }
3120
3121   // Create an event with the message.  The final parameter to initMessageEvent
3122   // is the last event ID, which is not used with postMessage.
3123   WebDOMEvent event = frame->document().createEvent("MessageEvent");
3124   WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
3125   msg_event.initMessageEvent("message",
3126                              // |canBubble| and |cancellable| are always false
3127                              false, false,
3128                              WebSerializedScriptValue::fromString(params.data),
3129                              params.source_origin, source_frame, "", channels);
3130
3131   // We must pass in the target_origin to do the security check on this side,
3132   // since it may have changed since the original postMessage call was made.
3133   WebSecurityOrigin target_origin;
3134   if (!params.target_origin.empty()) {
3135     target_origin =
3136         WebSecurityOrigin::createFromString(WebString(params.target_origin));
3137   }
3138   frame->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
3139 }
3140
3141 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
3142   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
3143       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
3144     // WebUIExtensionData deletes itself when we're destroyed.
3145     new WebUIExtensionData(this);
3146     // WebUIMojo deletes itself when we're destroyed.
3147     new WebUIMojo(this);
3148   }
3149
3150   enabled_bindings_ |= enabled_bindings_flags;
3151
3152   // Keep track of the total bindings accumulated in this process.
3153   RenderProcess::current()->AddBindings(enabled_bindings_flags);
3154 }
3155
3156 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
3157                                            const gfx::Point& client_point,
3158                                            const gfx::Point& screen_point,
3159                                            WebDragOperationsMask ops,
3160                                            int key_modifiers) {
3161   WebDragOperation operation = webview()->dragTargetDragEnter(
3162       DropDataToWebDragData(drop_data),
3163       client_point,
3164       screen_point,
3165       ops,
3166       key_modifiers);
3167
3168   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
3169 }
3170
3171 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
3172                                           const gfx::Point& screen_point,
3173                                           WebDragOperationsMask ops,
3174                                           int key_modifiers) {
3175   WebDragOperation operation = webview()->dragTargetDragOver(
3176       client_point,
3177       screen_point,
3178       ops,
3179       key_modifiers);
3180
3181   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
3182 }
3183
3184 void RenderViewImpl::OnDragTargetDragLeave() {
3185   webview()->dragTargetDragLeave();
3186 }
3187
3188 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
3189                                       const gfx::Point& screen_point,
3190                                       int key_modifiers) {
3191   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
3192
3193   Send(new DragHostMsg_TargetDrop_ACK(routing_id_));
3194 }
3195
3196 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
3197                                        const gfx::Point& screen_point,
3198                                        WebDragOperation op) {
3199   webview()->dragSourceEndedAt(client_point, screen_point, op);
3200 }
3201
3202 void RenderViewImpl::OnDragSourceSystemDragEnded() {
3203   webview()->dragSourceSystemDragEnded();
3204 }
3205
3206 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
3207   webkit_preferences_ = prefs;
3208   ApplyWebPreferences(webkit_preferences_, webview());
3209 }
3210
3211 void RenderViewImpl::OnEnumerateDirectoryResponse(
3212     int id,
3213     const std::vector<base::FilePath>& paths) {
3214   if (!enumeration_completions_[id])
3215     return;
3216
3217   WebVector<WebString> ws_file_names(paths.size());
3218   for (size_t i = 0; i < paths.size(); ++i)
3219     ws_file_names[i] = paths[i].AsUTF16Unsafe();
3220
3221   enumeration_completions_[id]->didChooseFile(ws_file_names);
3222   enumeration_completions_.erase(id);
3223 }
3224
3225 void RenderViewImpl::OnFileChooserResponse(
3226     const std::vector<ui::SelectedFileInfo>& files) {
3227   // This could happen if we navigated to a different page before the user
3228   // closed the chooser.
3229   if (file_chooser_completions_.empty())
3230     return;
3231
3232   // Convert Chrome's SelectedFileInfo list to WebKit's.
3233   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
3234       files.size());
3235   for (size_t i = 0; i < files.size(); ++i) {
3236     WebFileChooserCompletion::SelectedFileInfo selected_file;
3237     selected_file.path = files[i].local_path.AsUTF16Unsafe();
3238     selected_file.displayName =
3239         base::FilePath(files[i].display_name).AsUTF16Unsafe();
3240     selected_files[i] = selected_file;
3241   }
3242
3243   if (file_chooser_completions_.front()->completion)
3244     file_chooser_completions_.front()->completion->didChooseFile(
3245         selected_files);
3246   file_chooser_completions_.pop_front();
3247
3248   // If there are more pending file chooser requests, schedule one now.
3249   if (!file_chooser_completions_.empty()) {
3250     Send(new ViewHostMsg_RunFileChooser(routing_id_,
3251         file_chooser_completions_.front()->params));
3252   }
3253 }
3254
3255 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
3256                                         const gfx::Size& max_size) {
3257   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
3258   if (!webview())
3259     return;
3260   auto_resize_mode_ = true;
3261   webview()->enableAutoResizeMode(min_size, max_size);
3262 }
3263
3264 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
3265   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
3266   if (!webview())
3267     return;
3268   auto_resize_mode_ = false;
3269   webview()->disableAutoResizeMode();
3270
3271   if (!new_size.IsEmpty()) {
3272     Resize(new_size,
3273            physical_backing_size_,
3274            overdraw_bottom_height_,
3275            resizer_rect_,
3276            is_fullscreen_,
3277            NO_RESIZE_ACK);
3278   }
3279 }
3280
3281 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
3282   if (send_preferred_size_changes_)
3283     return;
3284   send_preferred_size_changes_ = true;
3285
3286   // Start off with an initial preferred size notification (in case
3287   // |didUpdateLayout| was already called).
3288   didUpdateLayout();
3289 }
3290
3291 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
3292     const gfx::Size& disable_scrollbar_size_limit) {
3293   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
3294 }
3295
3296 void RenderViewImpl::OnSetRendererPrefs(
3297     const RendererPreferences& renderer_prefs) {
3298   double old_zoom_level = renderer_preferences_.default_zoom_level;
3299   renderer_preferences_ = renderer_prefs;
3300   UpdateFontRenderingFromRendererPrefs();
3301
3302 #if defined(USE_DEFAULT_RENDER_THEME)
3303   if (renderer_prefs.use_custom_colors) {
3304     WebColorName name = blink::WebColorWebkitFocusRingColor;
3305     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
3306     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
3307
3308     if (webview()) {
3309       webview()->setSelectionColors(
3310           renderer_prefs.active_selection_bg_color,
3311           renderer_prefs.active_selection_fg_color,
3312           renderer_prefs.inactive_selection_bg_color,
3313           renderer_prefs.inactive_selection_fg_color);
3314       webview()->themeChanged();
3315     }
3316   }
3317 #endif  // defined(USE_DEFAULT_RENDER_THEME)
3318
3319   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
3320     RenderThreadImpl::current()->SetFlingCurveParameters(
3321         renderer_prefs.touchpad_fling_profile,
3322         renderer_prefs.touchscreen_fling_profile);
3323
3324   // If the zoom level for this page matches the old zoom default, and this
3325   // is not a plugin, update the zoom level to match the new default.
3326   if (webview() && !webview()->mainFrame()->document().isPluginDocument() &&
3327       !ZoomValuesEqual(old_zoom_level,
3328                        renderer_preferences_.default_zoom_level) &&
3329       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
3330     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
3331     zoomLevelChanged();
3332   }
3333 }
3334
3335 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
3336                                            const WebMediaPlayerAction& action) {
3337   if (webview())
3338     webview()->performMediaPlayerAction(action, location);
3339 }
3340
3341 void RenderViewImpl::OnOrientationChangeEvent(int orientation) {
3342   // Screen has rotated. 0 = default (portrait), 90 = one turn right, and so on.
3343   FOR_EACH_OBSERVER(RenderViewObserver,
3344                     observers_,
3345                     OrientationChangeEvent(orientation));
3346   webview()->mainFrame()->sendOrientationChangeEvent(orientation);
3347 }
3348
3349 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
3350                                       const WebPluginAction& action) {
3351   if (webview())
3352     webview()->performPluginAction(action, location);
3353 }
3354
3355 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
3356     const GURL& page_url) {
3357   // Prepare list to storage all savable resource links.
3358   std::vector<GURL> resources_list;
3359   std::vector<GURL> referrer_urls_list;
3360   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
3361   std::vector<GURL> frames_list;
3362   SavableResourcesResult result(&resources_list,
3363                                 &referrer_urls_list,
3364                                 &referrer_policies_list,
3365                                 &frames_list);
3366
3367   // webkit/ doesn't know about Referrer.
3368   if (!GetAllSavableResourceLinksForCurrentPage(
3369           webview(),
3370           page_url,
3371           &result,
3372           const_cast<const char**>(GetSavableSchemes()))) {
3373     // If something is wrong when collecting all savable resource links,
3374     // send empty list to embedder(browser) to tell it failed.
3375     referrer_urls_list.clear();
3376     referrer_policies_list.clear();
3377     resources_list.clear();
3378     frames_list.clear();
3379   }
3380
3381   std::vector<Referrer> referrers_list;
3382   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
3383   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
3384     referrers_list.push_back(
3385         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
3386   }
3387
3388   // Send result of all savable resource links to embedder.
3389   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
3390                                                               resources_list,
3391                                                               referrers_list,
3392                                                               frames_list));
3393 }
3394
3395 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
3396     const std::vector<GURL>& links,
3397     const std::vector<base::FilePath>& local_paths,
3398     const base::FilePath& local_directory_name) {
3399
3400   // Convert std::vector of GURLs to WebVector<WebURL>
3401   WebVector<WebURL> weburl_links(links);
3402
3403   // Convert std::vector of base::FilePath to WebVector<WebString>
3404   WebVector<WebString> webstring_paths(local_paths.size());
3405   for (size_t i = 0; i < local_paths.size(); i++)
3406     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
3407
3408   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
3409                                true,
3410                                this,
3411                                weburl_links,
3412                                webstring_paths,
3413                                local_directory_name.AsUTF16Unsafe());
3414 }
3415
3416 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
3417   // Don't show any more dialogs until we finish OnSwapOut.
3418   suppress_dialogs_until_swap_out_ = true;
3419 }
3420
3421 void RenderViewImpl::NavigateToSwappedOutURL(blink::WebFrame* frame) {
3422   // We use loadRequest instead of loadHTMLString because the former commits
3423   // synchronously.  Otherwise a new navigation can interrupt the navigation
3424   // to kSwappedOutURL. If that happens to be to the page we had been
3425   // showing, then WebKit will never send a commit and we'll be left spinning.
3426   // TODO(creis): Until we move this to RenderFrame, we may call this from a
3427   // swapped out RenderFrame while our own is_swapped_out_ is false.
3428   RenderFrameImpl* rf = RenderFrameImpl::FromWebFrame(frame);
3429   CHECK(is_swapped_out_ || rf->is_swapped_out());
3430   GURL swappedOutURL(kSwappedOutURL);
3431   WebURLRequest request(swappedOutURL);
3432   frame->loadRequest(request);
3433 }
3434
3435 void RenderViewImpl::OnClosePage() {
3436   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
3437   // TODO(creis): We'd rather use webview()->Close() here, but that currently
3438   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
3439   // in the onunload handler from appearing.  For now, we're bypassing that and
3440   // calling the FrameLoader's CloseURL method directly.  This should be
3441   // revisited to avoid having two ways to close a page.  Having a single way
3442   // to close that can run onunload is also useful for fixing
3443   // http://b/issue?id=753080.
3444   webview()->mainFrame()->dispatchUnloadEvent();
3445
3446   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
3447 }
3448
3449 void RenderViewImpl::OnThemeChanged() {
3450 #if defined(USE_AURA)
3451   // Aura doesn't care if we switch themes.
3452 #elif defined(OS_WIN)
3453   ui::NativeThemeWin::instance()->CloseHandles();
3454   if (webview())
3455     webview()->themeChanged();
3456 #else  // defined(OS_WIN)
3457   // TODO(port): we don't support theming on non-Windows platforms yet
3458   NOTIMPLEMENTED();
3459 #endif
3460 }
3461
3462 void RenderViewImpl::OnMoveOrResizeStarted() {
3463   if (webview())
3464     webview()->hidePopups();
3465 }
3466
3467 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
3468   if (webview()) {
3469     webview()->hidePopups();
3470     if (send_preferred_size_changes_) {
3471       webview()->mainFrame()->setCanHaveScrollbars(
3472           ShouldDisplayScrollbars(params.new_size.width(),
3473                                   params.new_size.height()));
3474     }
3475     UpdateScrollState(webview()->mainFrame());
3476   }
3477
3478   RenderWidget::OnResize(params);
3479 }
3480
3481 void RenderViewImpl::DidInitiatePaint() {
3482 #if defined(ENABLE_PLUGINS)
3483   // Notify all instances that we painted.  The same caveats apply as for
3484   // ViewFlushedPaint regarding instances closing themselves, so we take
3485   // similar precautions.
3486   PepperPluginSet plugins = active_pepper_instances_;
3487   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
3488     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
3489       (*i)->ViewInitiatedPaint();
3490   }
3491 #endif
3492 }
3493
3494 void RenderViewImpl::DidFlushPaint() {
3495 #if defined(ENABLE_PLUGINS)
3496   // Notify all instances that we flushed. This will call into the plugin, and
3497   // we it may ask to close itself as a result. This will, in turn, modify our
3498   // set, possibly invalidating the iterator. So we iterate on a copy that
3499   // won't change out from under us.
3500   PepperPluginSet plugins = active_pepper_instances_;
3501   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
3502     // The copy above makes sure our iterator is never invalid if some plugins
3503     // are destroyed. But some plugin may decide to close all of its views in
3504     // response to a paint in one of them, so we need to make sure each one is
3505     // still "current" before using it.
3506     //
3507     // It's possible that a plugin was destroyed, but another one was created
3508     // with the same address. In this case, we'll call ViewFlushedPaint on that
3509     // new plugin. But that's OK for this particular case since we're just
3510     // notifying all of our instances that the view flushed, and the new one is
3511     // one of our instances.
3512     //
3513     // What about the case where a new one is created in a callback at a new
3514     // address and we don't issue the callback? We're still OK since this
3515     // callback is used for flush callbacks and we could not have possibly
3516     // started a new paint for the new plugin while processing a previous paint
3517     // for an existing one.
3518     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
3519       (*i)->ViewFlushedPaint();
3520   }
3521 #endif
3522
3523   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
3524   // See crbug.com/112921.
3525   if (!webview())
3526     return;
3527
3528   WebFrame* main_frame = webview()->mainFrame();
3529
3530   // If we have a provisional frame we are between the start and commit stages
3531   // of loading and we don't want to save stats.
3532   if (!main_frame->provisionalDataSource()) {
3533     WebDataSource* ds = main_frame->dataSource();
3534     DocumentState* document_state = DocumentState::FromDataSource(ds);
3535     InternalDocumentStateData* data =
3536         InternalDocumentStateData::FromDocumentState(document_state);
3537     if (data->did_first_visually_non_empty_layout() &&
3538         !data->did_first_visually_non_empty_paint()) {
3539       data->set_did_first_visually_non_empty_paint(true);
3540       Send(new ViewHostMsg_DidFirstVisuallyNonEmptyPaint(routing_id_,
3541                                                          page_id_));
3542     }
3543
3544     // TODO(jar): The following code should all be inside a method, probably in
3545     // NavigatorState.
3546     Time now = Time::Now();
3547     if (document_state->first_paint_time().is_null()) {
3548       document_state->set_first_paint_time(now);
3549     }
3550     if (document_state->first_paint_after_load_time().is_null() &&
3551         !document_state->finish_load_time().is_null()) {
3552       document_state->set_first_paint_after_load_time(now);
3553     }
3554   }
3555 }
3556
3557 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
3558   WebSize scroll_offset = webview()->mainFrame()->scrollOffset();
3559   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3560 }
3561
3562 void RenderViewImpl::OnClearFocusedElement() {
3563   if (webview())
3564     webview()->clearFocusedElement();
3565 }
3566
3567 void RenderViewImpl::OnSetBackground(const SkBitmap& background) {
3568   if (webview())
3569     webview()->setIsTransparent(!background.empty());
3570   if (compositor_)
3571     compositor_->setHasTransparentBackground(!background.empty());
3572
3573   SetBackground(background);
3574 }
3575
3576 void RenderViewImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
3577   if (accessibility_mode_ == new_mode)
3578     return;
3579   accessibility_mode_ = new_mode;
3580   if (renderer_accessibility_) {
3581     delete renderer_accessibility_;
3582     renderer_accessibility_ = NULL;
3583   }
3584   if (accessibility_mode_ == AccessibilityModeOff)
3585     return;
3586
3587   if (accessibility_mode_ & AccessibilityModeFlagFullTree)
3588     renderer_accessibility_ = new RendererAccessibilityComplete(this);
3589 #if !defined(OS_ANDROID)
3590   else
3591     renderer_accessibility_ = new RendererAccessibilityFocusOnly(this);
3592 #endif
3593 }
3594
3595 void RenderViewImpl::OnSetActive(bool active) {
3596   if (webview())
3597     webview()->setIsActive(active);
3598
3599 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3600   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3601   for (plugin_it = plugin_delegates_.begin();
3602        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3603     (*plugin_it)->SetWindowFocus(active);
3604   }
3605 #endif
3606 }
3607
3608 #if defined(OS_MACOSX)
3609 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3610 #if defined(ENABLE_PLUGINS)
3611   // Inform plugins that their container has changed visibility.
3612   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3613   for (plugin_it = plugin_delegates_.begin();
3614        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3615     (*plugin_it)->SetContainerVisibility(visible);
3616   }
3617 #endif
3618 }
3619
3620 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3621                                           const gfx::Rect& view_frame) {
3622 #if defined(ENABLE_PLUGINS)
3623   // Inform plugins that their window's frame has changed.
3624   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3625   for (plugin_it = plugin_delegates_.begin();
3626        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3627     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3628   }
3629 #endif
3630 }
3631
3632 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3633                                                      int plugin_id) {
3634   // WebPluginDelegateProxy is responsible for figuring out if this event
3635   // applies to it or not, so inform all the delegates.
3636   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3637   for (plugin_it = plugin_delegates_.begin();
3638        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3639     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3640   }
3641 }
3642 #endif  // OS_MACOSX
3643
3644 void RenderViewImpl::Close() {
3645   // We need to grab a pointer to the doomed WebView before we destroy it.
3646   WebView* doomed = webview();
3647   RenderWidget::Close();
3648   g_view_map.Get().erase(doomed);
3649   g_routing_id_view_map.Get().erase(routing_id_);
3650 }
3651
3652 void RenderViewImpl::DidHandleKeyEvent() {
3653   ClearEditCommands();
3654 }
3655
3656 void RenderViewImpl::WillProcessUserGesture() {
3657   FOR_EACH_OBSERVER(
3658       RenderViewObserver, observers_, WillProcessUserGesture());
3659 }
3660
3661 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3662   possible_drag_event_info_.event_source =
3663       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3664   possible_drag_event_info_.event_location =
3665       gfx::Point(event.globalX, event.globalY);
3666
3667 #if defined(ENABLE_PLUGINS)
3668   // This method is called for every mouse event that the render view receives.
3669   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3670   // event target. Potentially a Pepper plugin will receive the event.
3671   // In order to tell whether a plugin gets the last mouse event and which it
3672   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3673   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3674   // |pepper_last_mouse_event_target_|.
3675   pepper_last_mouse_event_target_ = NULL;
3676 #endif
3677
3678   // If the mouse is locked, only the current owner of the mouse lock can
3679   // process mouse events.
3680   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3681 }
3682
3683 bool RenderViewImpl::WillHandleGestureEvent(
3684     const blink::WebGestureEvent& event) {
3685   possible_drag_event_info_.event_source =
3686       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3687   possible_drag_event_info_.event_location =
3688       gfx::Point(event.globalX, event.globalY);
3689   return false;
3690 }
3691
3692 void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) {
3693   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
3694 }
3695
3696 void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) {
3697   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event));
3698 }
3699
3700 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3701   if (!webview())
3702     return false;
3703   return webview()->hasTouchEventHandlersAt(point);
3704 }
3705
3706 void RenderViewImpl::OnWasHidden() {
3707   RenderWidget::OnWasHidden();
3708
3709 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3710   RenderThreadImpl::current()->video_capture_impl_manager()->
3711       SuspendDevices(true);
3712 #endif
3713
3714   if (webview())
3715     webview()->setVisibilityState(visibilityState(), false);
3716
3717 #if defined(ENABLE_PLUGINS)
3718   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3719        i != active_pepper_instances_.end(); ++i)
3720     (*i)->PageVisibilityChanged(false);
3721
3722 #if defined(OS_MACOSX)
3723   // Inform NPAPI plugins that their container is no longer visible.
3724   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3725   for (plugin_it = plugin_delegates_.begin();
3726        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3727     (*plugin_it)->SetContainerVisibility(false);
3728   }
3729 #endif  // OS_MACOSX
3730 #endif // ENABLE_PLUGINS
3731 }
3732
3733 void RenderViewImpl::OnWasShown(bool needs_repainting) {
3734   RenderWidget::OnWasShown(needs_repainting);
3735
3736 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3737   RenderThreadImpl::current()->video_capture_impl_manager()->
3738       SuspendDevices(false);
3739 #endif
3740
3741   if (webview())
3742     webview()->setVisibilityState(visibilityState(), false);
3743
3744 #if defined(ENABLE_PLUGINS)
3745   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3746        i != active_pepper_instances_.end(); ++i)
3747     (*i)->PageVisibilityChanged(true);
3748
3749 #if defined(OS_MACOSX)
3750   // Inform NPAPI plugins that their container is now visible.
3751   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3752   for (plugin_it = plugin_delegates_.begin();
3753        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3754     (*plugin_it)->SetContainerVisibility(true);
3755   }
3756 #endif  // OS_MACOSX
3757 #endif  // ENABLE_PLUGINS
3758 }
3759
3760 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3761   DCHECK(webview());
3762   if (webview()->mainFrame())
3763     return GURL(webview()->mainFrame()->document().url());
3764   else
3765     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3766 }
3767
3768 bool RenderViewImpl::ForceCompositingModeEnabled() {
3769   return webkit_preferences_.force_compositing_mode;
3770 }
3771
3772 void RenderViewImpl::OnSetFocus(bool enable) {
3773   RenderWidget::OnSetFocus(enable);
3774
3775 #if defined(ENABLE_PLUGINS)
3776   if (webview() && webview()->isActive()) {
3777     // Notify all NPAPI plugins.
3778     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3779     for (plugin_it = plugin_delegates_.begin();
3780          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3781 #if defined(OS_MACOSX)
3782       // RenderWidget's call to setFocus can cause the underlying webview's
3783       // activation state to change just like a call to setIsActive.
3784       if (enable)
3785         (*plugin_it)->SetWindowFocus(true);
3786 #endif
3787       (*plugin_it)->SetContentAreaFocus(enable);
3788     }
3789   }
3790   // Notify all Pepper plugins.
3791   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3792        i != active_pepper_instances_.end(); ++i)
3793     (*i)->SetContentAreaFocus(enable);
3794 #endif
3795   // Notify all BrowserPlugins of the RenderView's focus state.
3796   if (browser_plugin_manager_.get())
3797     browser_plugin_manager_->UpdateFocusState();
3798 }
3799
3800 void RenderViewImpl::OnImeSetComposition(
3801     const base::string16& text,
3802     const std::vector<blink::WebCompositionUnderline>& underlines,
3803     int selection_start,
3804     int selection_end) {
3805 #if defined(ENABLE_PLUGINS)
3806   if (focused_pepper_plugin_) {
3807     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3808         text, underlines, selection_start, selection_end);
3809     return;
3810   }
3811
3812 #if defined(OS_WIN)
3813   // When a plug-in has focus, we create platform-specific IME data used by
3814   // our IME emulator and send it directly to the focused plug-in, i.e. we
3815   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3816   // instance ID is the same one as the specified ID.)
3817   if (focused_plugin_id_ >= 0) {
3818     std::vector<int> clauses;
3819     std::vector<int> target;
3820     for (size_t i = 0; i < underlines.size(); ++i) {
3821       clauses.push_back(underlines[i].startOffset);
3822       clauses.push_back(underlines[i].endOffset);
3823       if (underlines[i].thick) {
3824         target.clear();
3825         target.push_back(underlines[i].startOffset);
3826         target.push_back(underlines[i].endOffset);
3827       }
3828     }
3829     std::set<WebPluginDelegateProxy*>::iterator it;
3830     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3831       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3832                                    focused_plugin_id_);
3833     }
3834     return;
3835   }
3836 #endif  // OS_WIN
3837 #endif  // ENABLE_PLUGINS
3838   RenderWidget::OnImeSetComposition(text,
3839                                     underlines,
3840                                     selection_start,
3841                                     selection_end);
3842 }
3843
3844 void RenderViewImpl::OnImeConfirmComposition(
3845     const base::string16& text,
3846     const gfx::Range& replacement_range,
3847     bool keep_selection) {
3848 #if defined(ENABLE_PLUGINS)
3849   if (focused_pepper_plugin_) {
3850     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3851         text, replacement_range, keep_selection);
3852     return;
3853   }
3854 #if defined(OS_WIN)
3855   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3856   // plug-ins. When we send IME text directly to plug-ins, we should not send
3857   // it to WebKit to prevent WebKit from controlling IMEs.
3858   // TODO(thakis): Honor |replacement_range| for plugins?
3859   if (focused_plugin_id_ >= 0) {
3860     std::set<WebPluginDelegateProxy*>::iterator it;
3861     for (it = plugin_delegates_.begin();
3862           it != plugin_delegates_.end(); ++it) {
3863       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3864     }
3865     return;
3866   }
3867 #endif  // OS_WIN
3868 #endif  // ENABLE_PLUGINS
3869   if (replacement_range.IsValid() && webview()) {
3870     // Select the text in |replacement_range|, it will then be replaced by
3871     // text added by the call to RenderWidget::OnImeConfirmComposition().
3872     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3873       WebRange webrange = WebRange::fromDocumentRange(
3874           frame, replacement_range.start(), replacement_range.length());
3875       if (!webrange.isNull())
3876         frame->selectRange(webrange);
3877     }
3878   }
3879   RenderWidget::OnImeConfirmComposition(text,
3880                                         replacement_range,
3881                                         keep_selection);
3882 }
3883
3884 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3885   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3886   if (webview()) {
3887     webview()->setDeviceScaleFactor(device_scale_factor);
3888     webview()->settings()->setAcceleratedCompositingForFixedPositionEnabled(
3889         ShouldUseFixedPositionCompositing(device_scale_factor_));
3890     webview()->settings()->setAcceleratedCompositingForOverflowScrollEnabled(
3891         ShouldUseAcceleratedCompositingForOverflowScroll(device_scale_factor_));
3892     webview()->settings()->setAcceleratedCompositingForTransitionEnabled(
3893         ShouldUseTransitionCompositing(device_scale_factor_));
3894     webview()->settings()->
3895         setAcceleratedCompositingForFixedRootBackgroundEnabled(
3896             ShouldUseAcceleratedFixedRootBackground(device_scale_factor_));
3897     webview()->settings()->setCompositedScrollingForFramesEnabled(
3898         ShouldUseCompositedScrollingForFrames(device_scale_factor_));
3899   }
3900   if (auto_resize_mode_)
3901     AutoResizeCompositor();
3902
3903   if (browser_plugin_manager_.get())
3904     browser_plugin_manager_->UpdateDeviceScaleFactor(device_scale_factor_);
3905 }
3906
3907 ui::TextInputType RenderViewImpl::GetTextInputType() {
3908 #if defined(ENABLE_PLUGINS)
3909   if (focused_pepper_plugin_)
3910     return focused_pepper_plugin_->text_input_type();
3911 #endif
3912   return RenderWidget::GetTextInputType();
3913 }
3914
3915 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3916 #if defined(ENABLE_PLUGINS)
3917   if (focused_pepper_plugin_) {
3918     // TODO(kinaba) http://crbug.com/101101
3919     // Current Pepper IME API does not handle selection bounds. So we simply
3920     // use the caret position as an empty range for now. It will be updated
3921     // after Pepper API equips features related to surrounding text retrieval.
3922     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3923     *start = caret;
3924     *end = caret;
3925     return;
3926   }
3927 #endif
3928   RenderWidget::GetSelectionBounds(start, end);
3929 }
3930
3931 #if defined(OS_MACOSX) || defined(USE_AURA)
3932 void RenderViewImpl::GetCompositionCharacterBounds(
3933     std::vector<gfx::Rect>* bounds) {
3934   DCHECK(bounds);
3935   bounds->clear();
3936
3937 #if defined(ENABLE_PLUGINS)
3938   if (focused_pepper_plugin_) {
3939     return;
3940   }
3941 #endif
3942
3943   if (!webview())
3944     return;
3945   size_t start_offset = 0;
3946   size_t character_count = 0;
3947   if (!webview()->compositionRange(&start_offset, &character_count))
3948     return;
3949   if (character_count == 0)
3950     return;
3951
3952   blink::WebFrame* frame = webview()->focusedFrame();
3953   if (!frame)
3954     return;
3955
3956   bounds->reserve(character_count);
3957   blink::WebRect webrect;
3958   for (size_t i = 0; i < character_count; ++i) {
3959     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3960       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3961       bounds->clear();
3962       return;
3963     }
3964     bounds->push_back(webrect);
3965   }
3966 }
3967
3968 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3969 #if defined(ENABLE_PLUGINS)
3970   if (focused_pepper_plugin_) {
3971     return;
3972   }
3973 #endif
3974   RenderWidget::GetCompositionRange(range);
3975 }
3976 #endif
3977
3978 bool RenderViewImpl::CanComposeInline() {
3979 #if defined(ENABLE_PLUGINS)
3980   if (focused_pepper_plugin_)
3981     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3982 #endif
3983   return true;
3984 }
3985
3986 void RenderViewImpl::InstrumentWillBeginFrame(int frame_id) {
3987   if (!webview())
3988     return;
3989   if (!webview()->devToolsAgent())
3990     return;
3991   webview()->devToolsAgent()->didBeginFrame(frame_id);
3992 }
3993
3994 void RenderViewImpl::InstrumentDidBeginFrame() {
3995   if (!webview())
3996     return;
3997   if (!webview()->devToolsAgent())
3998     return;
3999   // TODO(jamesr/caseq): Decide if this needs to be renamed.
4000   webview()->devToolsAgent()->didComposite();
4001 }
4002
4003 void RenderViewImpl::InstrumentDidCancelFrame() {
4004   if (!webview())
4005     return;
4006   if (!webview()->devToolsAgent())
4007     return;
4008   webview()->devToolsAgent()->didCancelFrame();
4009 }
4010
4011 void RenderViewImpl::InstrumentWillComposite() {
4012   if (!webview())
4013     return;
4014   if (!webview()->devToolsAgent())
4015     return;
4016   webview()->devToolsAgent()->willComposite();
4017 }
4018
4019 void RenderViewImpl::SetScreenMetricsEmulationParameters(
4020     float device_scale_factor,
4021     const gfx::Point& root_layer_offset,
4022     float root_layer_scale) {
4023   if (webview()) {
4024     webview()->setCompositorDeviceScaleFactorOverride(device_scale_factor);
4025     webview()->setRootLayerTransform(
4026         blink::WebSize(root_layer_offset.x(), root_layer_offset.y()),
4027         root_layer_scale);
4028   }
4029 }
4030
4031 bool RenderViewImpl::ScheduleFileChooser(
4032     const FileChooserParams& params,
4033     WebFileChooserCompletion* completion) {
4034   static const size_t kMaximumPendingFileChooseRequests = 4;
4035   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
4036     // This sanity check prevents too many file choose requests from getting
4037     // queued which could DoS the user. Getting these is most likely a
4038     // programming error (there are many ways to DoS the user so it's not
4039     // considered a "real" security check), either in JS requesting many file
4040     // choosers to pop up, or in a plugin.
4041     //
4042     // TODO(brettw) we might possibly want to require a user gesture to open
4043     // a file picker, which will address this issue in a better way.
4044     return false;
4045   }
4046
4047   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
4048       new PendingFileChooser(params, completion)));
4049   if (file_chooser_completions_.size() == 1) {
4050     // Actually show the browse dialog when this is the first request.
4051     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
4052   }
4053   return true;
4054 }
4055
4056 blink::WebGeolocationClient* RenderViewImpl::geolocationClient() {
4057   if (!geolocation_dispatcher_)
4058     geolocation_dispatcher_ = new GeolocationDispatcher(this);
4059   return geolocation_dispatcher_;
4060 }
4061
4062 blink::WebSpeechInputController* RenderViewImpl::speechInputController(
4063     blink::WebSpeechInputListener* listener) {
4064 #if defined(ENABLE_INPUT_SPEECH)
4065   if (!input_tag_speech_dispatcher_)
4066     input_tag_speech_dispatcher_ =
4067         new InputTagSpeechDispatcher(this, listener);
4068 #endif
4069   return input_tag_speech_dispatcher_;
4070 }
4071
4072 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
4073   if (!speech_recognition_dispatcher_)
4074     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
4075   return speech_recognition_dispatcher_;
4076 }
4077
4078 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
4079                                        double maximum_level) {
4080   // For now, don't remember plugin zoom values.  We don't want to mix them with
4081   // normal web content (i.e. a fixed layout plugin would usually want them
4082   // different).
4083   bool remember = !webview()->mainFrame()->document().isPluginDocument();
4084
4085   int minimum_percent = static_cast<int>(
4086       ZoomLevelToZoomFactor(minimum_level) * 100);
4087   int maximum_percent = static_cast<int>(
4088       ZoomLevelToZoomFactor(maximum_level) * 100);
4089
4090   Send(new ViewHostMsg_UpdateZoomLimits(
4091       routing_id_, minimum_percent, maximum_percent, remember));
4092 }
4093
4094 void RenderViewImpl::zoomLevelChanged() {
4095   bool remember = !webview()->mainFrame()->document().isPluginDocument();
4096   float zoom_level = webview()->zoomLevel();
4097
4098   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ZoomLevelChanged());
4099
4100   // Tell the browser which url got zoomed so it can update the menu and the
4101   // saved values if necessary
4102   Send(new ViewHostMsg_DidZoomURL(
4103       routing_id_, zoom_level, remember,
4104       GURL(webview()->mainFrame()->document().url())));
4105 }
4106
4107 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
4108   return ZoomLevelToZoomFactor(zoom_level);
4109 }
4110
4111 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
4112   return ZoomFactorToZoomLevel(factor);
4113 }
4114
4115 void RenderViewImpl::registerProtocolHandler(const WebString& scheme,
4116                                              const WebURL& base_url,
4117                                              const WebURL& url,
4118                                              const WebString& title) {
4119   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
4120   GURL base(base_url);
4121   GURL absolute_url = base.Resolve(base::UTF16ToUTF8(url.string()));
4122   if (base.GetOrigin() != absolute_url.GetOrigin()) {
4123     return;
4124   }
4125   Send(new ViewHostMsg_RegisterProtocolHandler(routing_id_,
4126                                                base::UTF16ToUTF8(scheme),
4127                                                absolute_url,
4128                                                title,
4129                                                user_gesture));
4130 }
4131
4132 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
4133   blink::WebPageVisibilityState current_state = is_hidden() ?
4134       blink::WebPageVisibilityStateHidden :
4135       blink::WebPageVisibilityStateVisible;
4136   blink::WebPageVisibilityState override_state = current_state;
4137   // TODO(jam): move this method to WebFrameClient.
4138   if (GetContentClient()->renderer()->
4139           ShouldOverridePageVisibilityState(main_render_frame_.get(),
4140                                             &override_state))
4141     return override_state;
4142   return current_state;
4143 }
4144
4145 blink::WebUserMediaClient* RenderViewImpl::userMediaClient() {
4146   // This can happen in tests, in which case it's OK to return NULL.
4147   if (!InitializeMediaStreamClient())
4148     return NULL;
4149
4150   return web_user_media_client_;
4151 }
4152
4153 blink::WebMIDIClient* RenderViewImpl::webMIDIClient() {
4154   if (!midi_dispatcher_)
4155     midi_dispatcher_ = new MidiDispatcher(this);
4156   return midi_dispatcher_;
4157 }
4158
4159 blink::WebPushClient* RenderViewImpl::webPushClient() {
4160   if (!push_messaging_dispatcher_)
4161     push_messaging_dispatcher_ = new PushMessagingDispatcher(this);
4162   return push_messaging_dispatcher_;
4163 }
4164
4165 void RenderViewImpl::draggableRegionsChanged() {
4166   FOR_EACH_OBSERVER(
4167       RenderViewObserver,
4168       observers_,
4169       DraggableRegionsChanged(webview()->mainFrame()));
4170 }
4171
4172 WebMediaPlayer* RenderViewImpl::CreateWebMediaPlayerForMediaStream(
4173     WebFrame* frame,
4174     const blink::WebURL& url,
4175     WebMediaPlayerClient* client) {
4176 #if defined(ENABLE_WEBRTC)
4177   if (!InitializeMediaStreamClient()) {
4178     LOG(ERROR) << "Failed to initialize MediaStreamClient";
4179     return NULL;
4180   }
4181   if (media_stream_client_->IsMediaStream(url)) {
4182 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4183     bool found_neon =
4184         (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
4185     UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
4186 #endif  // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4187     return new WebMediaPlayerMS(frame, client, AsWeakPtr(),
4188                                 media_stream_client_, new RenderMediaLog());
4189   }
4190 #endif  // defined(ENABLE_WEBRTC)
4191   return NULL;
4192 }
4193
4194 #if defined(OS_ANDROID)
4195 WebContentDetectionResult RenderViewImpl::detectContentAround(
4196     const WebHitTestResult& touch_hit) {
4197   DCHECK(!touch_hit.isNull());
4198   DCHECK(!touch_hit.node().isNull());
4199   DCHECK(touch_hit.node().isTextNode());
4200
4201   // Process the position with all the registered content detectors until
4202   // a match is found. Priority is provided by their relative order.
4203   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
4204       it != content_detectors_.end(); ++it) {
4205     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
4206     if (content.valid) {
4207       return WebContentDetectionResult(content.content_boundaries,
4208           base::UTF8ToUTF16(content.text), content.intent_url);
4209     }
4210   }
4211   return WebContentDetectionResult();
4212 }
4213
4214 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
4215   // Introduce a short delay so that the user can notice the content.
4216   base::MessageLoop::current()->PostDelayedTask(
4217       FROM_HERE,
4218       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
4219                  AsWeakPtr(),
4220                  intent,
4221                  expected_content_intent_id_),
4222       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
4223 }
4224
4225 void RenderViewImpl::cancelScheduledContentIntents() {
4226   ++expected_content_intent_id_;
4227 }
4228
4229 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
4230                                                 size_t request_id) {
4231   if (request_id != expected_content_intent_id_)
4232       return;
4233
4234   // Remove the content highlighting if any.
4235   scheduleComposite();
4236
4237   if (!intent.is_empty())
4238     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
4239 }
4240
4241 bool RenderViewImpl::openDateTimeChooser(
4242     const blink::WebDateTimeChooserParams& params,
4243     blink::WebDateTimeChooserCompletion* completion) {
4244   // JavaScript may try to open a date time chooser while one is already open.
4245   if (date_time_picker_client_)
4246     return false;
4247   date_time_picker_client_.reset(
4248       new RendererDateTimePicker(this, params, completion));
4249   return date_time_picker_client_->Open();
4250 }
4251
4252 void RenderViewImpl::DismissDateTimeDialog() {
4253   DCHECK(date_time_picker_client_);
4254   date_time_picker_client_.reset(NULL);
4255 }
4256
4257 WebMediaPlayer* RenderViewImpl::CreateAndroidWebMediaPlayer(
4258       WebFrame* frame,
4259       const blink::WebURL& url,
4260       WebMediaPlayerClient* client) {
4261   GpuChannelHost* gpu_channel_host =
4262       RenderThreadImpl::current()->EstablishGpuChannelSync(
4263           CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
4264   if (!gpu_channel_host) {
4265     LOG(ERROR) << "Failed to establish GPU channel for media player";
4266     return NULL;
4267   }
4268
4269   scoped_refptr<StreamTextureFactory> stream_texture_factory;
4270   if (UsingSynchronousRendererCompositor()) {
4271     SynchronousCompositorFactory* factory =
4272         SynchronousCompositorFactory::GetInstance();
4273     stream_texture_factory = factory->CreateStreamTextureFactory(routing_id_);
4274   } else {
4275     scoped_refptr<webkit::gpu::ContextProviderWebContext> context_provider =
4276         RenderThreadImpl::current()->SharedMainThreadContextProvider();
4277
4278     if (!context_provider.get()) {
4279       LOG(ERROR) << "Failed to get context3d for media player";
4280       return NULL;
4281     }
4282
4283     stream_texture_factory = StreamTextureFactoryImpl::Create(
4284         context_provider, gpu_channel_host, routing_id_);
4285   }
4286
4287   return new WebMediaPlayerAndroid(
4288       frame,
4289       client,
4290       AsWeakPtr(),
4291       media_player_manager_,
4292       stream_texture_factory,
4293       RenderThreadImpl::current()->GetMediaThreadMessageLoopProxy(),
4294       new RenderMediaLog());
4295 }
4296
4297 #endif  // defined(OS_ANDROID)
4298
4299 #if defined(OS_MACOSX)
4300 void RenderViewImpl::OnSelectPopupMenuItem(int selected_index) {
4301   if (external_popup_menu_ == NULL)
4302     return;
4303   external_popup_menu_->DidSelectItem(selected_index);
4304   external_popup_menu_.reset();
4305 }
4306 #endif
4307
4308 #if defined(OS_ANDROID)
4309 void RenderViewImpl::OnSelectPopupMenuItems(
4310     bool canceled,
4311     const std::vector<int>& selected_indices) {
4312   // It is possible to receive more than one of these calls if the user presses
4313   // a select faster than it takes for the show-select-popup IPC message to make
4314   // it to the browser UI thread.  Ignore the extra-messages.
4315   // TODO(jcivelli): http:/b/5793321 Implement a better fix, as detailed in bug.
4316   if (!external_popup_menu_)
4317     return;
4318
4319   external_popup_menu_->DidSelectItems(canceled, selected_indices);
4320   external_popup_menu_.reset();
4321 }
4322 #endif
4323
4324 #if defined(OS_MACOSX) || defined(OS_ANDROID)
4325 void RenderViewImpl::DidHideExternalPopupMenu() {
4326   // We need to clear external_popup_menu_ as soon as ExternalPopupMenu::close
4327   // is called. Otherwise, createExternalPopupMenu() for new popup will fail.
4328   external_popup_menu_.reset();
4329 }
4330 #endif
4331
4332 void RenderViewImpl::OnShowContextMenu(const gfx::Point& location) {
4333   context_menu_source_type_ = ui::MENU_SOURCE_TOUCH_EDIT_MENU;
4334   touch_editing_context_menu_location_ = location;
4335   if (webview())
4336     webview()->showContextMenu();
4337 }
4338
4339 void RenderViewImpl::OnEnableViewSourceMode() {
4340   if (!webview())
4341     return;
4342   WebFrame* main_frame = webview()->mainFrame();
4343   if (!main_frame)
4344     return;
4345   main_frame->enableViewSourceMode(true);
4346 }
4347
4348 void RenderViewImpl::OnDisownOpener() {
4349   if (!webview())
4350     return;
4351
4352   WebFrame* main_frame = webview()->mainFrame();
4353   if (main_frame && main_frame->opener())
4354     main_frame->setOpener(NULL);
4355 }
4356
4357 #if defined(OS_ANDROID)
4358 bool RenderViewImpl::didTapMultipleTargets(
4359     const blink::WebGestureEvent& event,
4360     const WebVector<WebRect>& target_rects) {
4361   // Never show a disambiguation popup when accessibility is enabled,
4362   // as this interferes with "touch exploration".
4363   bool matchesAccessibilityModeComplete =
4364       (accessibility_mode_ & AccessibilityModeComplete) ==
4365       AccessibilityModeComplete;
4366   if (matchesAccessibilityModeComplete)
4367     return false;
4368
4369   gfx::Rect finger_rect(
4370       event.x - event.data.tap.width / 2, event.y - event.data.tap.height / 2,
4371       event.data.tap.width, event.data.tap.height);
4372   gfx::Rect zoom_rect;
4373   float new_total_scale =
4374       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
4375           finger_rect, target_rects, GetSize(),
4376           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
4377           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
4378   if (!new_total_scale)
4379     return false;
4380
4381   bool handled = false;
4382   switch (renderer_preferences_.tap_multiple_targets_strategy) {
4383     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
4384       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
4385       break;
4386     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
4387       gfx::Size canvas_size =
4388           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
4389       TransportDIB* transport_dib = NULL;
4390       {
4391         scoped_ptr<skia::PlatformCanvas> canvas(
4392             RenderProcess::current()->GetDrawingCanvas(&transport_dib,
4393                                                        gfx::Rect(canvas_size)));
4394         if (!canvas) {
4395           handled = false;
4396           break;
4397         }
4398
4399         // TODO(trchen): Cleanup the device scale factor mess.
4400         // device scale will be applied in WebKit
4401         // --> zoom_rect doesn't include device scale,
4402         //     but WebKit will still draw on zoom_rect * device_scale_factor_
4403         canvas->scale(new_total_scale / device_scale_factor_,
4404                       new_total_scale / device_scale_factor_);
4405         canvas->translate(-zoom_rect.x() * device_scale_factor_,
4406                           -zoom_rect.y() * device_scale_factor_);
4407
4408         webwidget_->paint(
4409             canvas.get(),
4410             zoom_rect,
4411             WebWidget::ForceSoftwareRenderingAndIgnoreGPUResidentContent);
4412       }
4413
4414       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
4415           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect)));
4416       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
4417                                                    physical_window_zoom_rect,
4418                                                    canvas_size,
4419                                                    transport_dib->id()));
4420       handled = true;
4421       break;
4422     }
4423     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
4424       // No-op.
4425       break;
4426   }
4427
4428   return handled;
4429 }
4430 #endif
4431
4432 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
4433   return history_list_length_;
4434 }
4435
4436 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
4437   if (enable) {
4438     if (has_focus())
4439       return;
4440     OnSetActive(true);
4441     OnSetFocus(true);
4442   } else {
4443     if (!has_focus())
4444       return;
4445     OnSetFocus(false);
4446     OnSetActive(false);
4447   }
4448 }
4449
4450 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
4451   ViewMsg_Resize_Params params;
4452   params.screen_info = screen_info_;
4453   params.screen_info.deviceScaleFactor = factor;
4454   params.new_size = size();
4455   params.physical_backing_size =
4456       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
4457   params.overdraw_bottom_height = 0.f;
4458   params.resizer_rect = WebRect();
4459   params.is_fullscreen = is_fullscreen();
4460   OnResize(params);
4461 }
4462
4463 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
4464   gfx::Rect new_position(rootWindowRect().x,
4465                          rootWindowRect().y,
4466                          new_size.width(),
4467                          new_size.height());
4468   ResizeSynchronously(new_position);
4469 }
4470
4471 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
4472   resizing_mode_selector_->set_is_synchronous_mode(enable);
4473 }
4474
4475 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
4476                                                 const gfx::Size& max_size) {
4477   OnEnableAutoResize(min_size, max_size);
4478 }
4479
4480 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
4481   OnDisableAutoResize(new_size);
4482 }
4483
4484 void RenderViewImpl::SetMediaStreamClientForTesting(
4485     MediaStreamClient* media_stream_client) {
4486   DCHECK(!media_stream_client_);
4487   DCHECK(!web_user_media_client_);
4488   media_stream_client_ = media_stream_client;
4489 }
4490
4491 void RenderViewImpl::OnReleaseDisambiguationPopupDIB(
4492     TransportDIB::Handle dib_handle) {
4493   TransportDIB* dib = TransportDIB::CreateWithHandle(dib_handle);
4494   RenderProcess::current()->ReleaseTransportDIB(dib);
4495 }
4496
4497 void RenderViewImpl::DidCommitCompositorFrame() {
4498   RenderWidget::DidCommitCompositorFrame();
4499   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
4500 }
4501
4502 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
4503   if (!urls.empty())
4504     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, page_id_, urls));
4505 }
4506
4507 void RenderViewImpl::DidStopLoadingIcons() {
4508   int icon_types = WebIconURL::TypeFavicon;
4509   if (TouchEnabled())
4510     icon_types |= WebIconURL::TypeTouchPrecomposed | WebIconURL::TypeTouch;
4511
4512   WebVector<WebIconURL> icon_urls =
4513       webview()->mainFrame()->iconURLs(icon_types);
4514
4515   std::vector<FaviconURL> urls;
4516   for (size_t i = 0; i < icon_urls.size(); i++) {
4517     WebURL url = icon_urls[i].iconURL();
4518     std::vector<gfx::Size> sizes;
4519     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
4520     if (!url.isEmpty())
4521       urls.push_back(
4522           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
4523   }
4524   SendUpdateFaviconURL(urls);
4525 }
4526
4527 }  // namespace content