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_media_url_interceptor.h"
  12 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
  13 #include "android_webview/native/aw_web_contents_view_delegate.h"
  14 #include "android_webview/native/aw_web_preferences_populater_impl.h"
  15 #include "android_webview/native/external_video_surface_container_impl.h"
  16 #include "android_webview/renderer/aw_content_renderer_client.h"
  17 #include "base/command_line.h"
  18 #include "base/cpu.h"
  19 #include "base/lazy_instance.h"
  20 #include "base/logging.h"
  21 #include "base/memory/scoped_ptr.h"
  22 #include "base/threading/thread_restrictions.h"
  23 #include "content/browser/media/android/browser_media_player_manager.h"
  24 #include "content/public/browser/browser_main_runner.h"
  25 #include "content/public/browser/browser_thread.h"
  26 #include "content/public/common/content_switches.h"
  27 #include "gpu/command_buffer/client/gl_in_process_context.h"
  28 #include "gpu/command_buffer/service/gpu_switches.h"
  29 #include "media/base/media_switches.h"
  30 #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
  31
  32 namespace android_webview {
  33
  34 namespace {
  35
  36 // TODO(boliu): Remove this global Allow once the underlying issues are
  37 // resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
  38 base::LazyInstance<scoped_ptr<ScopedAllowWaitForLegacyWebViewApi> >
  39     g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
  40
  41 }
  42
  43 AwMainDelegate::AwMainDelegate() {
  44 }
  45
  46 AwMainDelegate::~AwMainDelegate() {
  47 }
  48
  49 bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
  50   content::SetContentClient(&content_client_);
  51
  52   content::BrowserMediaPlayerManager::RegisterMediaUrlInterceptor(
  53       new AwMediaUrlInterceptor());
  54
  55   BrowserViewRenderer::CalculateTileMemoryPolicy();
  56
  57   base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
  58   cl->AppendSwitch(switches::kEnableBeginFrameScheduling);
  59   cl->AppendSwitch(switches::kEnableImplSidePainting);
  60
  61   // WebView uses the Android system's scrollbars and overscroll glow.
  62   cl->AppendSwitch(switches::kDisableOverscrollEdgeEffect);
  63
  64   // Not yet supported in single-process mode.
  65   cl->AppendSwitch(switches::kDisableSharedWorkers);
  66
  67   // File system API not supported (requires some new API; internal bug 6930981)
  68   cl->AppendSwitch(switches::kDisableFileSystem);
  69
  70   // For fullscreen video we create a new container view to host the
  71   // WebContents, ie. the FullscreenView. As a result we cannot reuse the
  72   // embedded video blocker attached to the old container view, so we create a
  73   // new blocker instead attached to the ContentVideoView.
  74   cl->AppendSwitch(switches::kEnableContentVideoViewPowerSaveBlocker);
  75
  76 #if defined(VIDEO_HOLE)
  77   // Support EME/L1 with hole-punching.
  78   cl->AppendSwitch(switches::kMediaDrmEnableNonCompositing);
  79 #endif
  80
  81   // WebRTC hardware decoding is not supported, internal bug 15075307
  82   cl->AppendSwitch(switches::kDisableWebRtcHWDecoding);
  83
  84   // This is needed for sharing textures across the different GL threads.
  85   cl->AppendSwitch(switches::kEnableThreadedTextureMailboxes);
  86   return false;
  87 }
  88
  89 void AwMainDelegate::PreSandboxStartup() {
  90   // TODO(torne): When we have a separate renderer process, we need to handle
  91   // being passed open FDs for the resource paks here.
  92 #if defined(ARCH_CPU_ARM_FAMILY)
  93   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
  94   // cpu_brand info.
  95   base::CPU cpu_info;
  96 #endif
  97 }
  98
  99 void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
 100   // TODO(torne): Adjust linux OOM score here.
 101 }
 102
 103 int AwMainDelegate::RunProcess(
 104     const std::string& process_type,
 105     const content::MainFunctionParams& main_function_params) {
 106   if (process_type.empty()) {
 107     AwBrowserDependencyFactoryImpl::InstallInstance();
 108
 109     browser_runner_.reset(content::BrowserMainRunner::Create());
 110     int exit_code = browser_runner_->Initialize(main_function_params);
 111     DCHECK_LT(exit_code, 0);
 112
 113     g_allow_wait_in_ui_thread.Get().reset(
 114         new ScopedAllowWaitForLegacyWebViewApi);
 115
 116     // Return 0 so that we do NOT trigger the default behavior. On Android, the
 117     // UI message loop is managed by the Java application.
 118     return 0;
 119   }
 120
 121   return -1;
 122 }
 123
 124 void AwMainDelegate::ProcessExiting(const std::string& process_type) {
 125   // TODO(torne): Clean up resources when we handle them.
 126
 127   logging::CloseLogFile();
 128 }
 129
 130 content::ContentBrowserClient*
 131     AwMainDelegate::CreateContentBrowserClient() {
 132   content_browser_client_.reset(new AwContentBrowserClient(this));
 133   return content_browser_client_.get();
 134 }
 135
 136 content::ContentRendererClient*
 137     AwMainDelegate::CreateContentRendererClient() {
 138   content_renderer_client_.reset(new AwContentRendererClient());
 139   return content_renderer_client_.get();
 140 }
 141
 142 scoped_refptr<AwQuotaManagerBridge> AwMainDelegate::CreateAwQuotaManagerBridge(
 143     AwBrowserContext* browser_context) {
 144   return AwQuotaManagerBridgeImpl::Create(browser_context);
 145 }
 146
 147 content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
 148     content::WebContents* web_contents) {
 149   return AwWebContentsViewDelegate::Create(web_contents);
 150 }
 151
 152 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
 153   return new AwWebPreferencesPopulaterImpl();
 154 }
 155
 156 #if defined(VIDEO_HOLE)
 157 content::ExternalVideoSurfaceContainer*
 158 AwMainDelegate::CreateExternalVideoSurfaceContainer(
 159     content::WebContents* web_contents) {
 160   return new ExternalVideoSurfaceContainerImpl(web_contents);
 161 }
 162 #endif
 163
 164 }  // namespace android_webview