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/gpu_memory_buffer_factory_impl.h"
  10 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.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_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/lazy_instance.h"
  21 #include "base/logging.h"
  22 #include "base/memory/scoped_ptr.h"
  23 #include "base/threading/thread_restrictions.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 "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     : gpu_memory_buffer_factory_(new GpuMemoryBufferFactoryImpl) {
  45 }
  46
  47 AwMainDelegate::~AwMainDelegate() {
  48 }
  49
  50 bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
  51   content::SetContentClient(&content_client_);
  52
  53   CommandLine* cl = CommandLine::ForCurrentProcess();
  54   bool zero_copy_disabled_by_switch = cl->HasSwitch(switches::kDisableZeroCopy);
  55   bool use_zero_copy = !zero_copy_disabled_by_switch &&
  56                        gpu_memory_buffer_factory_.get()->Initialize();
  57
  58   if (use_zero_copy) {
  59     cl->AppendSwitch(switches::kEnableZeroCopy);
  60   } else if (!zero_copy_disabled_by_switch) {
  61     cl->AppendSwitch(switches::kDisableZeroCopy);
  62   }
  63
  64   content::BrowserMediaPlayerManager::RegisterMediaUrlInterceptor(
  65       new AwMediaUrlInterceptor());
  66
  67   BrowserViewRenderer::CalculateTileMemoryPolicy(use_zero_copy);
  68
  69   cl->AppendSwitch(switches::kEnableBeginFrameScheduling);
  70   cl->AppendSwitch(switches::kEnableImplSidePainting);
  71
  72   // WebView uses the Android system's scrollbars and overscroll glow.
  73   cl->AppendSwitch(switches::kDisableOverscrollEdgeEffect);
  74
  75   // Not yet supported in single-process mode.
  76   cl->AppendSwitch(switches::kDisableSharedWorkers);
  77
  78   // File system API not supported (requires some new API; internal bug 6930981)
  79   cl->AppendSwitch(switches::kDisableFileSystem);
  80
  81 #if defined(VIDEO_HOLE)
  82   // Support EME/L1 with hole-punching.
  83   cl->AppendSwitch(switches::kMediaDrmEnableNonCompositing);
  84 #endif
  85
  86   // WebRTC hardware decoding is not supported, internal bug 15075307
  87   cl->AppendSwitch(switches::kDisableWebRtcHWDecoding);
  88
  89   return false;
  90 }
  91
  92 void AwMainDelegate::PreSandboxStartup() {
  93   // TODO(torne): When we have a separate renderer process, we need to handle
  94   // being passed open FDs for the resource paks here.
  95 #if defined(ARCH_CPU_ARM_FAMILY)
  96   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
  97   // cpu_brand info.
  98   base::CPU cpu_info;
  99 #endif
 100 }
 101
 102 void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
 103   // TODO(torne): Adjust linux OOM score here.
 104 }
 105
 106 int AwMainDelegate::RunProcess(
 107     const std::string& process_type,
 108     const content::MainFunctionParams& main_function_params) {
 109   if (process_type.empty()) {
 110     AwBrowserDependencyFactoryImpl::InstallInstance();
 111
 112     browser_runner_.reset(content::BrowserMainRunner::Create());
 113     int exit_code = browser_runner_->Initialize(main_function_params);
 114     DCHECK(exit_code < 0);
 115
 116     g_allow_wait_in_ui_thread.Get().reset(
 117         new ScopedAllowWaitForLegacyWebViewApi);
 118
 119     // Return 0 so that we do NOT trigger the default behavior. On Android, the
 120     // UI message loop is managed by the Java application.
 121     return 0;
 122   }
 123
 124   return -1;
 125 }
 126
 127 void AwMainDelegate::ProcessExiting(const std::string& process_type) {
 128   // TODO(torne): Clean up resources when we handle them.
 129
 130   logging::CloseLogFile();
 131 }
 132
 133 content::ContentBrowserClient*
 134     AwMainDelegate::CreateContentBrowserClient() {
 135   content_browser_client_.reset(new AwContentBrowserClient(this));
 136   return content_browser_client_.get();
 137 }
 138
 139 content::ContentRendererClient*
 140     AwMainDelegate::CreateContentRendererClient() {
 141   content_renderer_client_.reset(new AwContentRendererClient());
 142   return content_renderer_client_.get();
 143 }
 144
 145 scoped_refptr<AwQuotaManagerBridge> AwMainDelegate::CreateAwQuotaManagerBridge(
 146     AwBrowserContext* browser_context) {
 147   return AwQuotaManagerBridgeImpl::Create(browser_context);
 148 }
 149
 150 content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
 151     content::WebContents* web_contents) {
 152   return AwWebContentsViewDelegate::Create(web_contents);
 153 }
 154
 155 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
 156   return new AwWebPreferencesPopulaterImpl();
 157 }
 158
 159 #if defined(VIDEO_HOLE)
 160 content::ExternalVideoSurfaceContainer*
 161 AwMainDelegate::CreateExternalVideoSurfaceContainer(
 162     content::WebContents* web_contents) {
 163   return new ExternalVideoSurfaceContainerImpl(web_contents);
 164 }
 165 #endif
 166
 167 }  // namespace android_webview