components/web_contents_delegate_android/web_contents_delegate_android.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 "components/web_contents_delegate_android/web_contents_delegate_android.h"
   6
   7 #include <android/keycodes.h>
   8
   9 #include "base/android/jni_android.h"
  10 #include "base/android/jni_array.h"
  11 #include "base/android/jni_string.h"
  12 #include "components/web_contents_delegate_android/color_chooser_android.h"
  13 #include "components/web_contents_delegate_android/validation_message_bubble_android.h"
  14 #include "content/public/browser/android/content_view_core.h"
  15 #include "content/public/browser/color_chooser.h"
  16 #include "content/public/browser/invalidate_type.h"
  17 #include "content/public/browser/native_web_keyboard_event.h"
  18 #include "content/public/browser/page_navigator.h"
  19 #include "content/public/browser/render_widget_host_view.h"
  20 #include "content/public/browser/web_contents.h"
  21 #include "content/public/common/page_transition_types.h"
  22 #include "content/public/common/referrer.h"
  23 #include "jni/WebContentsDelegateAndroid_jni.h"
  24 #include "ui/base/window_open_disposition.h"
  25 #include "ui/gfx/rect.h"
  26 #include "url/gurl.h"
  27
  28 using base::android::AttachCurrentThread;
  29 using base::android::ConvertUTF8ToJavaString;
  30 using base::android::ConvertUTF16ToJavaString;
  31 using base::android::ScopedJavaLocalRef;
  32 using content::ColorChooser;
  33 using content::RenderWidgetHostView;
  34 using content::WebContents;
  35 using content::WebContentsDelegate;
  36
  37 namespace web_contents_delegate_android {
  38
  39 WebContentsDelegateAndroid::WebContentsDelegateAndroid(JNIEnv* env, jobject obj)
  40     : weak_java_delegate_(env, obj) {
  41 }
  42
  43 WebContentsDelegateAndroid::~WebContentsDelegateAndroid() {
  44 }
  45
  46 ScopedJavaLocalRef<jobject>
  47 WebContentsDelegateAndroid::GetJavaDelegate(JNIEnv* env) const {
  48   return weak_java_delegate_.get(env);
  49 }
  50
  51 // ----------------------------------------------------------------------------
  52 // WebContentsDelegate methods
  53 // ----------------------------------------------------------------------------
  54
  55 ColorChooser* WebContentsDelegateAndroid::OpenColorChooser(
  56       WebContents* source,
  57       SkColor color,
  58       const std::vector<content::ColorSuggestion>& suggestions)  {
  59   return new ColorChooserAndroid(source, color, suggestions);
  60 }
  61
  62 // OpenURLFromTab() will be called when we're performing a browser-intiated
  63 // navigation. The most common scenario for this is opening new tabs (see
  64 // RenderViewImpl::decidePolicyForNavigation for more details).
  65 WebContents* WebContentsDelegateAndroid::OpenURLFromTab(
  66     WebContents* source,
  67     const content::OpenURLParams& params) {
  68   const GURL& url = params.url;
  69   WindowOpenDisposition disposition = params.disposition;
  70   content::PageTransition transition(
  71       PageTransitionFromInt(params.transition));
  72
  73   if (!source || (disposition != CURRENT_TAB &&
  74                   disposition != NEW_FOREGROUND_TAB &&
  75                   disposition != NEW_BACKGROUND_TAB &&
  76                   disposition != OFF_THE_RECORD)) {
  77     NOTIMPLEMENTED();
  78     return NULL;
  79   }
  80
  81   JNIEnv* env = AttachCurrentThread();
  82   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
  83   if (obj.is_null())
  84     return WebContentsDelegate::OpenURLFromTab(source, params);
  85
  86   if (disposition == NEW_FOREGROUND_TAB ||
  87       disposition == NEW_BACKGROUND_TAB ||
  88       disposition == OFF_THE_RECORD) {
  89     JNIEnv* env = AttachCurrentThread();
  90     ScopedJavaLocalRef<jstring> java_url =
  91         ConvertUTF8ToJavaString(env, url.spec());
  92     ScopedJavaLocalRef<jstring> extra_headers =
  93             ConvertUTF8ToJavaString(env, params.extra_headers);
  94     ScopedJavaLocalRef<jbyteArray> post_data;
  95     if (params.uses_post &&
  96         params.browser_initiated_post_data.get() &&
  97         params.browser_initiated_post_data.get()->size()) {
  98       post_data = base::android::ToJavaByteArray(
  99           env,
 100           params.browser_initiated_post_data.get()->front_as<uint8>(),
 101           params.browser_initiated_post_data.get()->size());
 102     }
 103     Java_WebContentsDelegateAndroid_openNewTab(env,
 104                                                obj.obj(),
 105                                                java_url.obj(),
 106                                                extra_headers.obj(),
 107                                                post_data.obj(),
 108                                                disposition);
 109     return NULL;
 110   }
 111
 112   source->GetController().LoadURL(url, params.referrer, transition,
 113                                   std::string());
 114   return source;
 115 }
 116
 117 void WebContentsDelegateAndroid::NavigationStateChanged(
 118     const WebContents* source, unsigned changed_flags) {
 119   JNIEnv* env = AttachCurrentThread();
 120   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 121   if (obj.is_null())
 122     return;
 123   Java_WebContentsDelegateAndroid_navigationStateChanged(
 124       env,
 125       obj.obj(),
 126       changed_flags);
 127 }
 128
 129 void WebContentsDelegateAndroid::ActivateContents(WebContents* contents) {
 130   JNIEnv* env = AttachCurrentThread();
 131   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 132   if (obj.is_null())
 133     return;
 134   Java_WebContentsDelegateAndroid_activateContents(env, obj.obj());
 135 }
 136
 137 void WebContentsDelegateAndroid::DeactivateContents(WebContents* contents) {
 138   // On desktop the current window is deactivated here, bringing the next window
 139   // to focus. Not implemented on Android.
 140 }
 141
 142 void WebContentsDelegateAndroid::LoadingStateChanged(WebContents* source) {
 143   JNIEnv* env = AttachCurrentThread();
 144   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 145   if (obj.is_null())
 146     return;
 147   bool has_stopped = source == NULL || !source->IsLoading();
 148
 149   if (has_stopped)
 150     Java_WebContentsDelegateAndroid_onLoadStopped(env, obj.obj());
 151   else
 152     Java_WebContentsDelegateAndroid_onLoadStarted(env, obj.obj());
 153 }
 154
 155 void WebContentsDelegateAndroid::LoadProgressChanged(WebContents* source,
 156                                                      double progress) {
 157   JNIEnv* env = AttachCurrentThread();
 158   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 159   if (obj.is_null())
 160     return;
 161   Java_WebContentsDelegateAndroid_notifyLoadProgressChanged(
 162       env,
 163       obj.obj(),
 164       progress);
 165 }
 166
 167 void WebContentsDelegateAndroid::RendererUnresponsive(WebContents* source) {
 168   JNIEnv* env = AttachCurrentThread();
 169   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 170   if (obj.is_null())
 171     return;
 172   Java_WebContentsDelegateAndroid_rendererUnresponsive(env, obj.obj());
 173 }
 174
 175 void WebContentsDelegateAndroid::RendererResponsive(WebContents* source) {
 176   JNIEnv* env = AttachCurrentThread();
 177   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 178   if (obj.is_null())
 179     return;
 180   Java_WebContentsDelegateAndroid_rendererResponsive(env, obj.obj());
 181 }
 182
 183 void WebContentsDelegateAndroid::CloseContents(WebContents* source) {
 184   JNIEnv* env = AttachCurrentThread();
 185   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 186   if (obj.is_null())
 187     return;
 188   Java_WebContentsDelegateAndroid_closeContents(env, obj.obj());
 189 }
 190
 191 void WebContentsDelegateAndroid::MoveContents(WebContents* source,
 192                                               const gfx::Rect& pos) {
 193   // Do nothing.
 194 }
 195
 196 bool WebContentsDelegateAndroid::AddMessageToConsole(
 197     WebContents* source,
 198     int32 level,
 199     const base::string16& message,
 200     int32 line_no,
 201     const base::string16& source_id) {
 202   JNIEnv* env = AttachCurrentThread();
 203   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 204   if (obj.is_null())
 205     return WebContentsDelegate::AddMessageToConsole(source, level, message,
 206                                                     line_no, source_id);
 207   ScopedJavaLocalRef<jstring> jmessage(ConvertUTF16ToJavaString(env, message));
 208   ScopedJavaLocalRef<jstring> jsource_id(
 209       ConvertUTF16ToJavaString(env, source_id));
 210   int jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG;
 211   switch (level) {
 212     case logging::LOG_VERBOSE:
 213       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG;
 214       break;
 215     case logging::LOG_INFO:
 216       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_LOG;
 217       break;
 218     case logging::LOG_WARNING:
 219       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_WARNING;
 220       break;
 221     case logging::LOG_ERROR:
 222       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_ERROR;
 223       break;
 224     default:
 225       NOTREACHED();
 226   }
 227   return Java_WebContentsDelegateAndroid_addMessageToConsole(
 228       env,
 229       GetJavaDelegate(env).obj(),
 230       jlevel,
 231       jmessage.obj(),
 232       line_no,
 233       jsource_id.obj());
 234 }
 235
 236 // This is either called from TabContents::DidNavigateMainFramePostCommit() with
 237 // an empty GURL or responding to RenderViewHost::OnMsgUpateTargetURL(). In
 238 // Chrome, the latter is not always called, especially not during history
 239 // navigation. So we only handle the first case and pass the source TabContents'
 240 // url to Java to update the UI.
 241 void WebContentsDelegateAndroid::UpdateTargetURL(WebContents* source,
 242                                                  int32 page_id,
 243                                                  const GURL& url) {
 244   if (!url.is_empty())
 245     return;
 246   JNIEnv* env = AttachCurrentThread();
 247   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 248   if (obj.is_null())
 249     return;
 250   ScopedJavaLocalRef<jstring> java_url =
 251       ConvertUTF8ToJavaString(env, source->GetURL().spec());
 252   Java_WebContentsDelegateAndroid_onUpdateUrl(env,
 253                                               obj.obj(),
 254                                               java_url.obj());
 255 }
 256
 257 void WebContentsDelegateAndroid::HandleKeyboardEvent(
 258     WebContents* source,
 259     const content::NativeWebKeyboardEvent& event) {
 260   jobject key_event = event.os_event;
 261   if (key_event) {
 262     JNIEnv* env = AttachCurrentThread();
 263     ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 264     if (obj.is_null())
 265       return;
 266     Java_WebContentsDelegateAndroid_handleKeyboardEvent(
 267         env, obj.obj(), key_event);
 268   }
 269 }
 270
 271 bool WebContentsDelegateAndroid::TakeFocus(WebContents* source, bool reverse) {
 272   JNIEnv* env = AttachCurrentThread();
 273   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 274   if (obj.is_null())
 275     return WebContentsDelegate::TakeFocus(source, reverse);
 276   return Java_WebContentsDelegateAndroid_takeFocus(
 277       env, obj.obj(), reverse);
 278 }
 279
 280 void WebContentsDelegateAndroid::ShowRepostFormWarningDialog(
 281     WebContents* source) {
 282   JNIEnv* env = AttachCurrentThread();
 283   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 284   if (obj.is_null())
 285     return;
 286   ScopedJavaLocalRef<jobject> content_view_core =
 287       content::ContentViewCore::FromWebContents(source)->GetJavaObject();
 288   if (content_view_core.is_null())
 289     return;
 290   Java_WebContentsDelegateAndroid_showRepostFormWarningDialog(env, obj.obj(),
 291       content_view_core.obj());
 292 }
 293
 294 void WebContentsDelegateAndroid::ToggleFullscreenModeForTab(
 295     WebContents* web_contents,
 296     bool enter_fullscreen) {
 297   JNIEnv* env = AttachCurrentThread();
 298   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 299   if (obj.is_null())
 300     return;
 301   Java_WebContentsDelegateAndroid_toggleFullscreenModeForTab(
 302       env, obj.obj(), enter_fullscreen);
 303 }
 304
 305 bool WebContentsDelegateAndroid::IsFullscreenForTabOrPending(
 306     const WebContents* web_contents) const {
 307   JNIEnv* env = AttachCurrentThread();
 308   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 309   if (obj.is_null())
 310     return false;
 311   return Java_WebContentsDelegateAndroid_isFullscreenForTabOrPending(
 312       env, obj.obj());
 313 }
 314
 315 void WebContentsDelegateAndroid::ShowValidationMessage(
 316     WebContents* web_contents,
 317     const gfx::Rect& anchor_in_root_view,
 318     const base::string16& main_text,
 319     const base::string16& sub_text) {
 320   RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
 321   if (rwhv) {
 322     validation_message_bubble_.reset(
 323         new ValidationMessageBubbleAndroid(rwhv->GetRenderWidgetHost(),
 324                                            anchor_in_root_view,
 325                                            main_text,
 326                                            sub_text));
 327   }
 328 }
 329
 330 void WebContentsDelegateAndroid::HideValidationMessage(
 331     WebContents* web_contents) {
 332   validation_message_bubble_.reset();
 333 }
 334
 335 void WebContentsDelegateAndroid::MoveValidationMessage(
 336     WebContents* web_contents,
 337     const gfx::Rect& anchor_in_root_view) {
 338   if (!validation_message_bubble_)
 339     return;
 340   RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
 341   if (rwhv) {
 342     validation_message_bubble_->SetPositionRelativeToAnchor(
 343         rwhv->GetRenderWidgetHost(), anchor_in_root_view);
 344   }
 345 }
 346 // ----------------------------------------------------------------------------
 347 // Native JNI methods
 348 // ----------------------------------------------------------------------------
 349
 350 // Register native methods
 351
 352 bool RegisterWebContentsDelegateAndroid(JNIEnv* env) {
 353   return RegisterNativesImpl(env);
 354 }
 355
 356 }  // namespace web_contents_delegate_android