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/common/aw_switches.h"
  11 #include "android_webview/crash_reporter/aw_microdump_crash_reporter.h"
  12 #include "android_webview/lib/aw_browser_dependency_factory_impl.h"
  13 #include "android_webview/native/aw_media_url_interceptor.h"
  14 #include "android_webview/native/aw_message_port_service_impl.h"
  15 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
  16 #include "android_webview/native/aw_web_contents_view_delegate.h"
  17 #include "android_webview/native/aw_web_preferences_populater_impl.h"
  18 #include "android_webview/renderer/aw_content_renderer_client.h"
  19 #include "base/android/apk_assets.h"
  20 #include "base/command_line.h"
  21 #include "base/cpu.h"
  22 #include "base/i18n/icu_util.h"
  23 #include "base/lazy_instance.h"
  24 #include "base/logging.h"
  25 #include "base/memory/scoped_ptr.h"
  26 #include "base/threading/thread_restrictions.h"
  27 #include "cc/base/switches.h"
  28 #include "components/external_video_surface/browser/android/external_video_surface_container_impl.h"
  29 #include "content/public/browser/android/browser_media_player_manager_register.h"
  30 #include "content/public/browser/browser_main_runner.h"
  31 #include "content/public/browser/browser_thread.h"
  32 #include "content/public/common/content_descriptors.h"
  33 #include "content/public/common/content_switches.h"
  34 #include "gin/public/isolate_holder.h"
  35 #include "gpu/command_buffer/client/gl_in_process_context.h"
  36 #include "gpu/command_buffer/service/gpu_switches.h"
  37 #include "media/base/media_switches.h"
  38
  39 namespace android_webview {
  40
  41 namespace {
  42
  43 // TODO(boliu): Remove this global Allow once the underlying issues are
  44 // resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
  45 base::LazyInstance<scoped_ptr<ScopedAllowWaitForLegacyWebViewApi> >
  46     g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
  47
  48 }
  49
  50 AwMainDelegate::AwMainDelegate() {
  51 }
  52
  53 AwMainDelegate::~AwMainDelegate() {
  54 }
  55
  56 bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
  57   content::SetContentClient(&content_client_);
  58
  59   content::RegisterMediaUrlInterceptor(new AwMediaUrlInterceptor());
  60
  61   BrowserViewRenderer::CalculateTileMemoryPolicy();
  62
  63   base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
  64   cl->AppendSwitch(switches::kUseIpcCommandBuffer);
  65   cl->AppendSwitch(cc::switches::kEnableBeginFrameScheduling);
  66
  67   // WebView uses the Android system's scrollbars and overscroll glow.
  68   cl->AppendSwitch(switches::kDisableOverscrollEdgeEffect);
  69
  70   // Pull-to-refresh should never be a default WebView action.
  71   cl->AppendSwitch(switches::kDisablePullToRefreshEffect);
  72
  73   // Not yet supported in single-process mode.
  74   cl->AppendSwitch(switches::kDisableSharedWorkers);
  75
  76   // File system API not supported (requires some new API; internal bug 6930981)
  77   cl->AppendSwitch(switches::kDisableFileSystem);
  78
  79   // Web Notification API and the Push API are not supported (crbug.com/434712)
  80   cl->AppendSwitch(switches::kDisableNotifications);
  81
  82   // WebRTC hardware decoding is not supported, internal bug 15075307
  83   cl->AppendSwitch(switches::kDisableWebRtcHWDecoding);
  84   cl->AppendSwitch(switches::kDisableAcceleratedVideoDecode);
  85
  86   // This is needed for sharing textures across the different GL threads.
  87   cl->AppendSwitch(switches::kEnableThreadedTextureMailboxes);
  88
  89   // WebView does not yet support screen orientation locking.
  90   cl->AppendSwitch(switches::kDisableScreenOrientationLock);
  91
  92   // WebView does not currently support Web Speech API (crbug.com/487255)
  93   cl->AppendSwitch(switches::kDisableSpeechAPI);
  94
  95   // WebView does not currently support the Permissions API (crbug.com/490120)
  96   cl->AppendSwitch(switches::kDisablePermissionsAPI);
  97
  98   // WebView does not (yet) save Chromium data during shutdown, so add setting
  99   // for Chrome to aggressively persist DOM Storage to minimize data loss.
 100   // http://crbug.com/479767
 101   cl->AppendSwitch(switches::kEnableAggressiveDOMStorageFlushing);
 102
 103   // This is needed to be able to mmap the V8 snapshot and ICU data file
 104   // directly from the WebView .apk.
 105   // This needs to be here so that it gets to run before the code in
 106   // content_main_runner that reads these values tries to do so.
 107   // In multi-process mode this code would live in
 108   // AwContentBrowserClient::GetAdditionalMappedFilesForChildProcess.
 109 #ifdef __LP64__
 110   const char kNativesFileName[] = "assets/natives_blob_64.bin";
 111   const char kSnapshotFileName[] = "assets/snapshot_blob_64.bin";
 112 #else
 113   const char kNativesFileName[] = "assets/natives_blob_32.bin";
 114   const char kSnapshotFileName[] = "assets/snapshot_blob_32.bin";
 115 #endif // __LP64__
 116   // TODO(gsennton) we should use
 117   // gin::IsolateHolder::kNativesFileName/kSnapshotFileName
 118   // here when those files have arch specific names http://crbug.com/455699
 119   CHECK(base::android::RegisterApkAssetWithGlobalDescriptors(
 120       kV8NativesDataDescriptor, kNativesFileName));
 121   CHECK(base::android::RegisterApkAssetWithGlobalDescriptors(
 122       kV8SnapshotDataDescriptor, kSnapshotFileName));
 123   CHECK(base::android::RegisterApkAssetWithGlobalDescriptors(
 124       kAndroidICUDataDescriptor, "assets/icudtl.dat"));
 125
 126   return false;
 127 }
 128
 129 void AwMainDelegate::PreSandboxStartup() {
 130   // TODO(torne): When we have a separate renderer process, we need to handle
 131   // being passed open FDs for the resource paks here.
 132 #if defined(ARCH_CPU_ARM_FAMILY)
 133   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
 134   // cpu_brand info.
 135   base::CPU cpu_info;
 136 #endif
 137
 138   crash_reporter::EnableMicrodumpCrashReporter();
 139 }
 140
 141 void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
 142   // TODO(torne): Adjust linux OOM score here.
 143 }
 144
 145 int AwMainDelegate::RunProcess(
 146     const std::string& process_type,
 147     const content::MainFunctionParams& main_function_params) {
 148   if (process_type.empty()) {
 149     AwBrowserDependencyFactoryImpl::InstallInstance();
 150
 151     browser_runner_.reset(content::BrowserMainRunner::Create());
 152     int exit_code = browser_runner_->Initialize(main_function_params);
 153     DCHECK_LT(exit_code, 0);
 154
 155     g_allow_wait_in_ui_thread.Get().reset(
 156         new ScopedAllowWaitForLegacyWebViewApi);
 157
 158     // Return 0 so that we do NOT trigger the default behavior. On Android, the
 159     // UI message loop is managed by the Java application.
 160     return 0;
 161   }
 162
 163   return -1;
 164 }
 165
 166 void AwMainDelegate::ProcessExiting(const std::string& process_type) {
 167   // TODO(torne): Clean up resources when we handle them.
 168
 169   logging::CloseLogFile();
 170 }
 171
 172 content::ContentBrowserClient*
 173     AwMainDelegate::CreateContentBrowserClient() {
 174   content_browser_client_.reset(new AwContentBrowserClient(this));
 175   return content_browser_client_.get();
 176 }
 177
 178 content::ContentRendererClient*
 179     AwMainDelegate::CreateContentRendererClient() {
 180   content_renderer_client_.reset(new AwContentRendererClient());
 181   return content_renderer_client_.get();
 182 }
 183
 184 scoped_refptr<AwQuotaManagerBridge> AwMainDelegate::CreateAwQuotaManagerBridge(
 185     AwBrowserContext* browser_context) {
 186   return AwQuotaManagerBridgeImpl::Create(browser_context);
 187 }
 188
 189 content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
 190     content::WebContents* web_contents) {
 191   return AwWebContentsViewDelegate::Create(web_contents);
 192 }
 193
 194 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
 195   return new AwWebPreferencesPopulaterImpl();
 196 }
 197
 198 AwMessagePortService* AwMainDelegate::CreateAwMessagePortService() {
 199   return new AwMessagePortServiceImpl();
 200 }
 201
 202 #if defined(VIDEO_HOLE)
 203 content::ExternalVideoSurfaceContainer*
 204 AwMainDelegate::CreateExternalVideoSurfaceContainer(
 205     content::WebContents* web_contents) {
 206   return external_video_surface::ExternalVideoSurfaceContainerImpl::Create(
 207       web_contents);
 208 }
 209 #endif
 210
 211 }  // namespace android_webview