android_webview/lib/main/aw_main_delegate.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 "android_webview/lib/main/aw_main_delegate.h"
   6
   7 #include "android_webview/browser/aw_content_browser_client.h"
   8 #include "android_webview/browser/browser_view_renderer.h"
   9 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
  10 #include "android_webview/crash_reporter/aw_microdump_crash_reporter.h"
  11 #include "android_webview/lib/aw_browser_dependency_factory_impl.h"
  12 #include "android_webview/native/aw_media_url_interceptor.h"
  13 #include "android_webview/native/aw_message_port_service_impl.h"
  14 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
  15 #include "android_webview/native/aw_web_contents_view_delegate.h"
  16 #include "android_webview/native/aw_web_preferences_populater_impl.h"
  17 #include "android_webview/native/public/aw_assets.h"
  18 #include "android_webview/renderer/aw_content_renderer_client.h"
  19 #include "base/command_line.h"
  20 #include "base/cpu.h"
  21 #include "base/i18n/icu_util.h"
  22 #include "base/lazy_instance.h"
  23 #include "base/logging.h"
  24 #include "base/memory/scoped_ptr.h"
  25 #include "base/threading/thread_restrictions.h"
  26 #include "cc/base/switches.h"
  27 #include "components/external_video_surface/browser/android/external_video_surface_container_impl.h"
  28 #include "content/public/browser/android/browser_media_player_manager.h"
  29 #include "content/public/browser/browser_main_runner.h"
  30 #include "content/public/browser/browser_thread.h"
  31 #include "content/public/common/content_descriptors.h"
  32 #include "content/public/common/content_switches.h"
  33 #include "gin/public/isolate_holder.h"
  34 #include "gpu/command_buffer/client/gl_in_process_context.h"
  35 #include "gpu/command_buffer/service/gpu_switches.h"
  36 #include "media/base/media_switches.h"
  37
  38 namespace android_webview {
  39
  40 namespace {
  41
  42 // TODO(boliu): Remove this global Allow once the underlying issues are
  43 // resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
  44 base::LazyInstance<scoped_ptr<ScopedAllowWaitForLegacyWebViewApi> >
  45     g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
  46
  47 }
  48
  49 AwMainDelegate::AwMainDelegate() {
  50 }
  51
  52 AwMainDelegate::~AwMainDelegate() {
  53 }
  54
  55 bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
  56   content::SetContentClient(&content_client_);
  57
  58   content::RegisterMediaUrlInterceptor(new AwMediaUrlInterceptor());
  59
  60   BrowserViewRenderer::CalculateTileMemoryPolicy();
  61
  62   base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
  63   cl->AppendSwitch(switches::kEnableBeginFrameScheduling);
  64
  65   // WebView uses the Android system's scrollbars and overscroll glow.
  66   cl->AppendSwitch(switches::kDisableOverscrollEdgeEffect);
  67
  68   // Pull-to-refresh should never be a default WebView action.
  69   cl->AppendSwitch(switches::kDisablePullToRefreshEffect);
  70
  71   // Not yet supported in single-process mode.
  72   cl->AppendSwitch(switches::kDisableSharedWorkers);
  73
  74   // File system API not supported (requires some new API; internal bug 6930981)
  75   cl->AppendSwitch(switches::kDisableFileSystem);
  76
  77   // Web Notification API and the Push API are not supported (crbug.com/434712)
  78   cl->AppendSwitch(switches::kDisableNotifications);
  79
  80   // TODO(ddorwin): Enable unprefixed EME. See http://crbug.com/394931.
  81   cl->AppendSwitch(switches::kDisableEncryptedMedia);
  82
  83   // WebRTC hardware decoding is not supported, internal bug 15075307
  84   cl->AppendSwitch(switches::kDisableWebRtcHWDecoding);
  85   cl->AppendSwitch(switches::kDisableAcceleratedVideoDecode);
  86
  87   // This is needed for sharing textures across the different GL threads.
  88   cl->AppendSwitch(switches::kEnableThreadedTextureMailboxes);
  89
  90   // WebView does not yet support screen orientation locking.
  91   cl->AppendSwitch(switches::kDisableScreenOrientationLock);
  92
  93   // WebView does not (yet) save Chromium data during shutdown, so add setting
  94   // for Chrome to aggressively persist DOM Storage to minimize data loss.
  95   // http://crbug.com/479767
  96   cl->AppendSwitch(switches::kEnableAggressiveDOMStorageFlushing);
  97
  98   // This is needed to be able to mmap the V8 snapshot and ICU data file
  99   // directly from the WebView .apk.
 100   // This needs to be here so that it gets to run before the code in
 101   // content_main_runner that reads these values tries to do so.
 102   // In multi-process mode this code would live in
 103   // AwContentBrowserClient::GetAdditionalMappedFilesForChildProcess.
 104 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
 105 #ifdef __LP64__
 106   const char kNativesFileName[] = "natives_blob_64.bin";
 107   const char kSnapshotFileName[] = "snapshot_blob_64.bin";
 108 #else
 109   const char kNativesFileName[] = "natives_blob_32.bin";
 110   const char kSnapshotFileName[] = "snapshot_blob_32.bin";
 111 #endif // __LP64__
 112   // TODO(gsennton) we should use
 113   // gin::IsolateHolder::kNativesFileName/kSnapshotFileName
 114   // here when those files have arch specific names http://crbug.com/455699
 115   CHECK(AwAssets::RegisterAssetWithGlobalDescriptors(
 116       kV8NativesDataDescriptor, kNativesFileName));
 117   CHECK(AwAssets::RegisterAssetWithGlobalDescriptors(
 118       kV8SnapshotDataDescriptor, kSnapshotFileName));
 119 #endif
 120   CHECK(AwAssets::RegisterAssetWithGlobalDescriptors(
 121       kAndroidICUDataDescriptor, base::i18n::kIcuDataFileName));
 122
 123   return false;
 124 }
 125
 126 void AwMainDelegate::PreSandboxStartup() {
 127   // TODO(torne): When we have a separate renderer process, we need to handle
 128   // being passed open FDs for the resource paks here.
 129 #if defined(ARCH_CPU_ARM_FAMILY)
 130   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
 131   // cpu_brand info.
 132   base::CPU cpu_info;
 133 #endif
 134
 135   crash_reporter::EnableMicrodumpCrashReporter();
 136 }
 137
 138 void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
 139   // TODO(torne): Adjust linux OOM score here.
 140 }
 141
 142 int AwMainDelegate::RunProcess(
 143     const std::string& process_type,
 144     const content::MainFunctionParams& main_function_params) {
 145   if (process_type.empty()) {
 146     AwBrowserDependencyFactoryImpl::InstallInstance();
 147
 148     browser_runner_.reset(content::BrowserMainRunner::Create());
 149     int exit_code = browser_runner_->Initialize(main_function_params);
 150     DCHECK_LT(exit_code, 0);
 151
 152     g_allow_wait_in_ui_thread.Get().reset(
 153         new ScopedAllowWaitForLegacyWebViewApi);
 154
 155     // Return 0 so that we do NOT trigger the default behavior. On Android, the
 156     // UI message loop is managed by the Java application.
 157     return 0;
 158   }
 159
 160   return -1;
 161 }
 162
 163 void AwMainDelegate::ProcessExiting(const std::string& process_type) {
 164   // TODO(torne): Clean up resources when we handle them.
 165
 166   logging::CloseLogFile();
 167 }
 168
 169 content::ContentBrowserClient*
 170     AwMainDelegate::CreateContentBrowserClient() {
 171   content_browser_client_.reset(new AwContentBrowserClient(this));
 172   return content_browser_client_.get();
 173 }
 174
 175 content::ContentRendererClient*
 176     AwMainDelegate::CreateContentRendererClient() {
 177   content_renderer_client_.reset(new AwContentRendererClient());
 178   return content_renderer_client_.get();
 179 }
 180
 181 scoped_refptr<AwQuotaManagerBridge> AwMainDelegate::CreateAwQuotaManagerBridge(
 182     AwBrowserContext* browser_context) {
 183   return AwQuotaManagerBridgeImpl::Create(browser_context);
 184 }
 185
 186 content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
 187     content::WebContents* web_contents) {
 188   return AwWebContentsViewDelegate::Create(web_contents);
 189 }
 190
 191 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
 192   return new AwWebPreferencesPopulaterImpl();
 193 }
 194
 195 AwMessagePortService* AwMainDelegate::CreateAwMessagePortService() {
 196   return new AwMessagePortServiceImpl();
 197 }
 198
 199 #if defined(VIDEO_HOLE)
 200 content::ExternalVideoSurfaceContainer*
 201 AwMainDelegate::CreateExternalVideoSurfaceContainer(
 202     content::WebContents* web_contents) {
 203   return external_video_surface::ExternalVideoSurfaceContainerImpl::Create(
 204       web_contents);
 205 }
 206 #endif
 207
 208 }  // namespace android_webview