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_descriptors.h"
  11 #include "android_webview/common/aw_switches.h"
  12 #include "android_webview/crash_reporter/aw_microdump_crash_reporter.h"
  13 #include "android_webview/lib/aw_browser_dependency_factory_impl.h"
  14 #include "android_webview/native/aw_locale_manager_impl.h"
  15 #include "android_webview/native/aw_media_url_interceptor.h"
  16 #include "android_webview/native/aw_message_port_service_impl.h"
  17 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
  18 #include "android_webview/native/aw_web_contents_view_delegate.h"
  19 #include "android_webview/native/aw_web_preferences_populater_impl.h"
  20 #include "android_webview/renderer/aw_content_renderer_client.h"
  21 #include "base/android/apk_assets.h"
  22 #include "base/command_line.h"
  23 #include "base/cpu.h"
  24 #include "base/i18n/icu_util.h"
  25 #include "base/lazy_instance.h"
  26 #include "base/logging.h"
  27 #include "base/memory/scoped_ptr.h"
  28 #include "base/threading/thread_restrictions.h"
  29 #include "cc/base/switches.h"
  30 #include "components/external_video_surface/browser/android/external_video_surface_container_impl.h"
  31 #include "content/public/browser/android/browser_media_player_manager_register.h"
  32 #include "content/public/browser/browser_main_runner.h"
  33 #include "content/public/browser/browser_thread.h"
  34 #include "content/public/common/content_descriptors.h"
  35 #include "content/public/common/content_switches.h"
  36 #include "gin/public/isolate_holder.h"
  37 #include "gpu/command_buffer/client/gl_in_process_context.h"
  38 #include "gpu/command_buffer/service/gpu_switches.h"
  39 #include "media/base/media_switches.h"
  40 #include "ui/base/resource/resource_bundle.h"
  41 #include "ui/events/gesture_detection/gesture_configuration.h"
  42
  43 namespace android_webview {
  44
  45 namespace {
  46
  47 // TODO(boliu): Remove this global Allow once the underlying issues are
  48 // resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
  49 base::LazyInstance<scoped_ptr<ScopedAllowWaitForLegacyWebViewApi> >
  50     g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
  51
  52 }
  53
  54 AwMainDelegate::AwMainDelegate() {
  55 }
  56
  57 AwMainDelegate::~AwMainDelegate() {
  58 }
  59
  60 bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
  61   content::SetContentClient(&content_client_);
  62
  63   content::RegisterMediaUrlInterceptor(new AwMediaUrlInterceptor());
  64
  65   BrowserViewRenderer::CalculateTileMemoryPolicy();
  66
  67   // WebView apps can override WebView#computeScroll to achieve custom
  68   // scroll/fling. As a result, fling animations may not be ticked, potentially
  69   // confusing the tap suppression controller. Simply disable it for WebView.
  70   ui::GestureConfiguration::GetInstance()
  71       ->set_fling_touchscreen_tap_suppression_enabled(false);
  72
  73   base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
  74   cl->AppendSwitch(cc::switches::kEnableBeginFrameScheduling);
  75
  76   // WebView uses the Android system's scrollbars and overscroll glow.
  77   cl->AppendSwitch(switches::kDisableOverscrollEdgeEffect);
  78
  79   // Pull-to-refresh should never be a default WebView action.
  80   cl->AppendSwitch(switches::kDisablePullToRefreshEffect);
  81
  82   // Not yet supported in single-process mode.
  83   cl->AppendSwitch(switches::kDisableSharedWorkers);
  84
  85   // File system API not supported (requires some new API; internal bug 6930981)
  86   cl->AppendSwitch(switches::kDisableFileSystem);
  87
  88   // Web Notification API and the Push API are not supported (crbug.com/434712)
  89   cl->AppendSwitch(switches::kDisableNotifications);
  90
  91   // WebRTC hardware decoding is not supported, internal bug 15075307
  92   cl->AppendSwitch(switches::kDisableWebRtcHWDecoding);
  93   cl->AppendSwitch(switches::kDisableAcceleratedVideoDecode);
  94
  95   // This is needed for sharing textures across the different GL threads.
  96   cl->AppendSwitch(switches::kEnableThreadedTextureMailboxes);
  97
  98   // WebView does not yet support screen orientation locking.
  99   cl->AppendSwitch(switches::kDisableScreenOrientationLock);
 100
 101   // WebView does not currently support Web Speech API (crbug.com/487255)
 102   cl->AppendSwitch(switches::kDisableSpeechAPI);
 103
 104   // WebView does not currently support the Permissions API (crbug.com/490120)
 105   cl->AppendSwitch(switches::kDisablePermissionsAPI);
 106
 107   // WebView does not (yet) save Chromium data during shutdown, so add setting
 108   // for Chrome to aggressively persist DOM Storage to minimize data loss.
 109   // http://crbug.com/479767
 110   cl->AppendSwitch(switches::kEnableAggressiveDOMStorageFlushing);
 111
 112   // Webview does not currently support the Presentation API, see
 113   // https://crbug.com/521319
 114   cl->AppendSwitch(switches::kDisablePresentationAPI);
 115
 116   if (cl->GetSwitchValueASCII(switches::kProcessType).empty()) {
 117     // Browser process (no type specified).
 118
 119     // This code is needed to be able to mmap the V8 snapshot directly from
 120     // the WebView .apk using architecture-specific names.
 121     // This needs to be here so that it gets to run before the code in
 122     // content_main_runner that reads these values tries to do so.
 123 #ifdef __LP64__
 124     const char kNativesFileName[] = "assets/natives_blob_64.bin";
 125     const char kSnapshotFileName[] = "assets/snapshot_blob_64.bin";
 126 #else
 127     const char kNativesFileName[] = "assets/natives_blob_32.bin";
 128     const char kSnapshotFileName[] = "assets/snapshot_blob_32.bin";
 129 #endif // __LP64__
 130     // TODO(gsennton) we should use
 131     // gin::IsolateHolder::kNativesFileName/kSnapshotFileName
 132     // here when those files have arch specific names http://crbug.com/455699
 133     CHECK(base::android::RegisterApkAssetWithGlobalDescriptors(
 134         kV8NativesDataDescriptor, kNativesFileName));
 135     CHECK(base::android::RegisterApkAssetWithGlobalDescriptors(
 136         kV8SnapshotDataDescriptor, kSnapshotFileName));
 137   }
 138
 139   if (cl->HasSwitch(switches::kWebViewSanboxedRenderer)) {
 140     cl->AppendSwitch(switches::kInProcessGPU);
 141     cl->AppendSwitchASCII(switches::kRendererProcessLimit, "1");
 142   }
 143
 144   return false;
 145 }
 146
 147 void AwMainDelegate::PreSandboxStartup() {
 148 #if defined(ARCH_CPU_ARM_FAMILY)
 149   // Create an instance of the CPU class to parse /proc/cpuinfo and cache
 150   // cpu_brand info.
 151   base::CPU cpu_info;
 152 #endif
 153
 154   const base::CommandLine& command_line =
 155       *base::CommandLine::ForCurrentProcess();
 156   std::string process_type =
 157       command_line.GetSwitchValueASCII(switches::kProcessType);
 158   if (process_type == switches::kRendererProcess) {
 159     auto global_descriptors = base::GlobalDescriptors::GetInstance();
 160     int pak_fd = global_descriptors->Get(kAndroidWebViewLocalePakDescriptor);
 161     base::MemoryMappedFile::Region pak_region =
 162         global_descriptors->GetRegion(kAndroidWebViewLocalePakDescriptor);
 163     ResourceBundle::InitSharedInstanceWithPakFileRegion(base::File(pak_fd),
 164                                                         pak_region);
 165     pak_fd = global_descriptors->Get(kAndroidWebViewMainPakDescriptor);
 166     pak_region =
 167         global_descriptors->GetRegion(kAndroidWebViewMainPakDescriptor);
 168     ResourceBundle::GetSharedInstance().AddDataPackFromFileRegion(
 169         base::File(pak_fd), pak_region, ui::SCALE_FACTOR_NONE);
 170   }
 171
 172   crash_reporter::EnableMicrodumpCrashReporter();
 173 }
 174
 175 void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
 176   // TODO(torne): Adjust linux OOM score here.
 177 }
 178
 179 int AwMainDelegate::RunProcess(
 180     const std::string& process_type,
 181     const content::MainFunctionParams& main_function_params) {
 182   if (process_type.empty()) {
 183     AwBrowserDependencyFactoryImpl::InstallInstance();
 184
 185     browser_runner_.reset(content::BrowserMainRunner::Create());
 186     int exit_code = browser_runner_->Initialize(main_function_params);
 187     DCHECK_LT(exit_code, 0);
 188
 189     g_allow_wait_in_ui_thread.Get().reset(
 190         new ScopedAllowWaitForLegacyWebViewApi);
 191
 192     // Return 0 so that we do NOT trigger the default behavior. On Android, the
 193     // UI message loop is managed by the Java application.
 194     return 0;
 195   }
 196
 197   return -1;
 198 }
 199
 200 void AwMainDelegate::ProcessExiting(const std::string& process_type) {
 201   // TODO(torne): Clean up resources when we handle them.
 202
 203   logging::CloseLogFile();
 204 }
 205
 206 content::ContentBrowserClient*
 207     AwMainDelegate::CreateContentBrowserClient() {
 208   content_browser_client_.reset(new AwContentBrowserClient(this));
 209   return content_browser_client_.get();
 210 }
 211
 212 content::ContentRendererClient*
 213     AwMainDelegate::CreateContentRendererClient() {
 214   content_renderer_client_.reset(new AwContentRendererClient());
 215   return content_renderer_client_.get();
 216 }
 217
 218 scoped_refptr<AwQuotaManagerBridge> AwMainDelegate::CreateAwQuotaManagerBridge(
 219     AwBrowserContext* browser_context) {
 220   return AwQuotaManagerBridgeImpl::Create(browser_context);
 221 }
 222
 223 content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
 224     content::WebContents* web_contents) {
 225   return AwWebContentsViewDelegate::Create(web_contents);
 226 }
 227
 228 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
 229   return new AwWebPreferencesPopulaterImpl();
 230 }
 231
 232 AwMessagePortService* AwMainDelegate::CreateAwMessagePortService() {
 233   return new AwMessagePortServiceImpl();
 234 }
 235
 236 AwLocaleManager* AwMainDelegate::CreateAwLocaleManager() {
 237   return new AwLocaleManagerImpl();
 238 }
 239
 240 #if defined(VIDEO_HOLE)
 241 content::ExternalVideoSurfaceContainer*
 242 AwMainDelegate::CreateExternalVideoSurfaceContainer(
 243     content::WebContents* web_contents) {
 244   return external_video_surface::ExternalVideoSurfaceContainerImpl::Create(
 245       web_contents);
 246 }
 247 #endif
 248
 249 }  // namespace android_webview