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 "cc/base/switches.h"
  24 #include "content/browser/media/android/browser_media_player_manager.h"
  25 #include "content/public/browser/browser_main_runner.h"
  26 #include "content/public/browser/browser_thread.h"
  27 #include "content/public/common/content_switches.h"
  28 #include "gpu/command_buffer/client/gl_in_process_context.h"
  29 #include "gpu/command_buffer/service/gpu_switches.h"
  30 #include "media/base/media_switches.h"
  31 #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
  32
  33 namespace android_webview {
  34
  35 namespace {
  36
  37 // TODO(boliu): Remove this global Allow once the underlying issues are
  38 // resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
  39 base::LazyInstance<scoped_ptr<ScopedAllowWaitForLegacyWebViewApi> >
  40     g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
  41
  42 }
  43
  44 AwMainDelegate::AwMainDelegate() {
  45 }
  46
  47 AwMainDelegate::~AwMainDelegate() {
  48 }
  49
  50 bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
  51   content::SetContentClient(&content_client_);
  52
  53   content::BrowserMediaPlayerManager::RegisterMediaUrlInterceptor(
  54       new AwMediaUrlInterceptor());
  55
  56   BrowserViewRenderer::CalculateTileMemoryPolicy();
  57
  58   base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
  59   cl->AppendSwitch(switches::kEnableBeginFrameScheduling);
  60   cl->AppendSwitch(switches::kEnableImplSidePainting);
  61
  62   // WebView uses the Android system's scrollbars and overscroll glow.
  63   cl->AppendSwitch(switches::kDisableOverscrollEdgeEffect);
  64
  65   // Not yet supported in single-process mode.
  66   cl->AppendSwitch(switches::kDisableSharedWorkers);
  67
  68   // File system API not supported (requires some new API; internal bug 6930981)
  69   cl->AppendSwitch(switches::kDisableFileSystem);
  70
  71   // For fullscreen video we create a new container view to host the
  72   // WebContents, ie. the FullscreenView. As a result we cannot reuse the
  73   // embedded video blocker attached to the old container view, so we create a
  74   // new blocker instead attached to the ContentVideoView.
  75   cl->AppendSwitch(switches::kEnableContentVideoViewPowerSaveBlocker);
  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   // Virtual viewport doesn't behave well with web view. crbug.com/426891
  89   cl->AppendSwitch(cc::switches::kDisablePinchVirtualViewport);
  90
  91   return false;
  92 }
  93
  94 void AwMainDelegate::PreSandboxStartup() {
  95   // TODO(torne): When we have a separate renderer process, we need to handle
  96   // being passed open FDs for the resource paks here.
  97 #if defined(ARCH_CPU_ARM_FAMILY)
  98   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
  99   // cpu_brand info.
 100   base::CPU cpu_info;
 101 #endif
 102 }
 103
 104 void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
 105   // TODO(torne): Adjust linux OOM score here.
 106 }
 107
 108 int AwMainDelegate::RunProcess(
 109     const std::string& process_type,
 110     const content::MainFunctionParams& main_function_params) {
 111   if (process_type.empty()) {
 112     AwBrowserDependencyFactoryImpl::InstallInstance();
 113
 114     browser_runner_.reset(content::BrowserMainRunner::Create());
 115     int exit_code = browser_runner_->Initialize(main_function_params);
 116     DCHECK_LT(exit_code, 0);
 117
 118     g_allow_wait_in_ui_thread.Get().reset(
 119         new ScopedAllowWaitForLegacyWebViewApi);
 120
 121     // Return 0 so that we do NOT trigger the default behavior. On Android, the
 122     // UI message loop is managed by the Java application.
 123     return 0;
 124   }
 125
 126   return -1;
 127 }
 128
 129 void AwMainDelegate::ProcessExiting(const std::string& process_type) {
 130   // TODO(torne): Clean up resources when we handle them.
 131
 132   logging::CloseLogFile();
 133 }
 134
 135 content::ContentBrowserClient*
 136     AwMainDelegate::CreateContentBrowserClient() {
 137   content_browser_client_.reset(new AwContentBrowserClient(this));
 138   return content_browser_client_.get();
 139 }
 140
 141 content::ContentRendererClient*
 142     AwMainDelegate::CreateContentRendererClient() {
 143   content_renderer_client_.reset(new AwContentRendererClient());
 144   return content_renderer_client_.get();
 145 }
 146
 147 scoped_refptr<AwQuotaManagerBridge> AwMainDelegate::CreateAwQuotaManagerBridge(
 148     AwBrowserContext* browser_context) {
 149   return AwQuotaManagerBridgeImpl::Create(browser_context);
 150 }
 151
 152 content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
 153     content::WebContents* web_contents) {
 154   return AwWebContentsViewDelegate::Create(web_contents);
 155 }
 156
 157 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
 158   return new AwWebPreferencesPopulaterImpl();
 159 }
 160
 161 #if defined(VIDEO_HOLE)
 162 content::ExternalVideoSurfaceContainer*
 163 AwMainDelegate::CreateExternalVideoSurfaceContainer(
 164     content::WebContents* web_contents) {
 165   return new ExternalVideoSurfaceContainerImpl(web_contents);
 166 }
 167 #endif
 168
 169 }  // namespace android_webview