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/lib/aw_browser_dependency_factory_impl.h"
  11 #include "android_webview/native/aw_assets.h"
  12 #include "android_webview/native/aw_media_url_interceptor.h"
  13 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
  14 #include "android_webview/native/aw_web_contents_view_delegate.h"
  15 #include "android_webview/native/aw_web_preferences_populater_impl.h"
  16 #include "android_webview/native/external_video_surface_container_impl.h"
  17 #include "android_webview/renderer/aw_content_renderer_client.h"
  18 #include "base/command_line.h"
  19 #include "base/cpu.h"
  20 #include "base/i18n/icu_util.h"
  21 #include "base/lazy_instance.h"
  22 #include "base/logging.h"
  23 #include "base/memory/scoped_ptr.h"
  24 #include "base/threading/thread_restrictions.h"
  25 #include "cc/base/switches.h"
  26 #include "content/browser/media/android/browser_media_player_manager.h"
  27 #include "content/public/browser/browser_main_runner.h"
  28 #include "content/public/browser/browser_thread.h"
  29 #include "content/public/common/content_descriptors.h"
  30 #include "content/public/common/content_switches.h"
  31 #include "gin/public/isolate_holder.h"
  32 #include "gpu/command_buffer/client/gl_in_process_context.h"
  33 #include "gpu/command_buffer/service/gpu_switches.h"
  34 #include "media/base/media_switches.h"
  35
  36 namespace android_webview {
  37
  38 namespace {
  39
  40 // TODO(boliu): Remove this global Allow once the underlying issues are
  41 // resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
  42 base::LazyInstance<scoped_ptr<ScopedAllowWaitForLegacyWebViewApi> >
  43     g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
  44
  45 }
  46
  47 AwMainDelegate::AwMainDelegate() {
  48 }
  49
  50 AwMainDelegate::~AwMainDelegate() {
  51 }
  52
  53 bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
  54   content::SetContentClient(&content_client_);
  55
  56   content::BrowserMediaPlayerManager::RegisterMediaUrlInterceptor(
  57       new AwMediaUrlInterceptor());
  58
  59   BrowserViewRenderer::CalculateTileMemoryPolicy();
  60
  61   base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
  62   cl->AppendSwitch(switches::kEnableBeginFrameScheduling);
  63   cl->AppendSwitch(switches::kEnableImplSidePainting);
  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 #if defined(VIDEO_HOLE)
  78   // Support EME/L1 with hole-punching.
  79   cl->AppendSwitch(switches::kMediaDrmEnableNonCompositing);
  80 #endif
  81
  82   // WebRTC hardware decoding is not supported, internal bug 15075307
  83   cl->AppendSwitch(switches::kDisableWebRtcHWDecoding);
  84
  85   // This is needed for sharing textures across the different GL threads.
  86   cl->AppendSwitch(switches::kEnableThreadedTextureMailboxes);
  87
  88   // This is needed to be able to mmap the V8 snapshot and ICU data file
  89   // directly from the WebView .apk.
  90   // This needs to be here so that it gets to run before the code in
  91   // content_main_runner that reads these values tries to do so.
  92   // In multi-process mode this code would live in
  93   // AwContentBrowserClient::GetAdditionalMappedFilesForChildProcess.
  94 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
  95   CHECK(AwAssets::RegisterAssetWithGlobalDescriptors(
  96       kV8NativesDataDescriptor, gin::IsolateHolder::kNativesFileName));
  97   CHECK(AwAssets::RegisterAssetWithGlobalDescriptors(
  98       kV8SnapshotDataDescriptor, gin::IsolateHolder::kSnapshotFileName));
  99 #endif
 100   // TODO(mkosiba): make this CHECK when the android_webview_build uses an asset
 101   // from the .apk too.
 102   AwAssets::RegisterAssetWithGlobalDescriptors(
 103       kAndroidICUDataDescriptor, base::i18n::kIcuDataFileName);
 104
 105   return false;
 106 }
 107
 108 void AwMainDelegate::PreSandboxStartup() {
 109   // TODO(torne): When we have a separate renderer process, we need to handle
 110   // being passed open FDs for the resource paks here.
 111 #if defined(ARCH_CPU_ARM_FAMILY)
 112   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
 113   // cpu_brand info.
 114   base::CPU cpu_info;
 115 #endif
 116 }
 117
 118 void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
 119   // TODO(torne): Adjust linux OOM score here.
 120 }
 121
 122 int AwMainDelegate::RunProcess(
 123     const std::string& process_type,
 124     const content::MainFunctionParams& main_function_params) {
 125   if (process_type.empty()) {
 126     AwBrowserDependencyFactoryImpl::InstallInstance();
 127
 128     browser_runner_.reset(content::BrowserMainRunner::Create());
 129     int exit_code = browser_runner_->Initialize(main_function_params);
 130     DCHECK_LT(exit_code, 0);
 131
 132     g_allow_wait_in_ui_thread.Get().reset(
 133         new ScopedAllowWaitForLegacyWebViewApi);
 134
 135     // Return 0 so that we do NOT trigger the default behavior. On Android, the
 136     // UI message loop is managed by the Java application.
 137     return 0;
 138   }
 139
 140   return -1;
 141 }
 142
 143 void AwMainDelegate::ProcessExiting(const std::string& process_type) {
 144   // TODO(torne): Clean up resources when we handle them.
 145
 146   logging::CloseLogFile();
 147 }
 148
 149 content::ContentBrowserClient*
 150     AwMainDelegate::CreateContentBrowserClient() {
 151   content_browser_client_.reset(new AwContentBrowserClient(this));
 152   return content_browser_client_.get();
 153 }
 154
 155 content::ContentRendererClient*
 156     AwMainDelegate::CreateContentRendererClient() {
 157   content_renderer_client_.reset(new AwContentRendererClient());
 158   return content_renderer_client_.get();
 159 }
 160
 161 scoped_refptr<AwQuotaManagerBridge> AwMainDelegate::CreateAwQuotaManagerBridge(
 162     AwBrowserContext* browser_context) {
 163   return AwQuotaManagerBridgeImpl::Create(browser_context);
 164 }
 165
 166 content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
 167     content::WebContents* web_contents) {
 168   return AwWebContentsViewDelegate::Create(web_contents);
 169 }
 170
 171 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
 172   return new AwWebPreferencesPopulaterImpl();
 173 }
 174
 175 #if defined(VIDEO_HOLE)
 176 content::ExternalVideoSurfaceContainer*
 177 AwMainDelegate::CreateExternalVideoSurfaceContainer(
 178     content::WebContents* web_contents) {
 179   return new ExternalVideoSurfaceContainerImpl(web_contents);
 180 }
 181 #endif
 182
 183 }  // namespace android_webview