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/gpu_memory_buffer_factory_impl.h"
   9 #include "android_webview/browser/in_process_view_renderer.h"
  10 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
  11 #include "android_webview/common/aw_switches.h"
  12 #include "android_webview/lib/aw_browser_dependency_factory_impl.h"
  13 #include "android_webview/native/aw_geolocation_permission_context.h"
  14 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
  15 #include "android_webview/native/aw_web_contents_view_delegate.h"
  16 #include "android_webview/native/aw_web_preferences_populater_impl.h"
  17 #include "android_webview/renderer/aw_content_renderer_client.h"
  18 #include "base/command_line.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/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/in_process_command_buffer.h"
  29 #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
  30
  31 namespace android_webview {
  32
  33 namespace {
  34
  35 // TODO(boliu): Remove this global Allow once the underlying issues are
  36 // resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
  37 base::LazyInstance<scoped_ptr<ScopedAllowWaitForLegacyWebViewApi> >
  38     g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
  39
  40 }
  41
  42 AwMainDelegate::AwMainDelegate()
  43     : gpu_memory_buffer_factory_(new GpuMemoryBufferFactoryImpl) {
  44 }
  45
  46 AwMainDelegate::~AwMainDelegate() {
  47 }
  48
  49 bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
  50   content::SetContentClient(&content_client_);
  51
  52   gpu::InProcessCommandBuffer::SetGpuMemoryBufferFactory(
  53       gpu_memory_buffer_factory_.get());
  54
  55   InProcessViewRenderer::CalculateTileMemoryPolicy();
  56
  57   CommandLine* cl = CommandLine::ForCurrentProcess();
  58   cl->AppendSwitch(switches::kEnableBeginFrameScheduling);
  59   cl->AppendSwitch(cc::switches::kEnableMapImage);
  60
  61   // WebView uses the Android system's scrollbars and overscroll glow.
  62   cl->AppendSwitch(switches::kHideScrollbars);
  63   cl->AppendSwitch(switches::kDisableOverscrollEdgeEffect);
  64
  65   // Not yet supported in single-process mode.
  66   cl->AppendSwitch(switches::kDisableExperimentalWebGL);
  67   cl->AppendSwitch(switches::kDisableSharedWorkers);
  68
  69   // Ganesh backed 2D-Canvas integration is being implemented but not ready to
  70   // be turned on by default yet.
  71   if (!cl->HasSwitch(switches::kEnableAccelerated2dCanvas))
  72     cl->AppendSwitch(switches::kDisableAccelerated2dCanvas);
  73
  74   // File system API not supported (requires some new API; internal bug 6930981)
  75   cl->AppendSwitch(switches::kDisableFileSystem);
  76
  77   // Disable compositor touch hit testing for now to mitigate risk of bugs.
  78   cl->AppendSwitch(cc::switches::kDisableCompositorTouchHitTesting);
  79
  80   // Disable WebRTC.
  81   cl->AppendSwitch(switches::kDisableWebRTC);
  82
  83   return false;
  84 }
  85
  86 void AwMainDelegate::PreSandboxStartup() {
  87   // TODO(torne): When we have a separate renderer process, we need to handle
  88   // being passed open FDs for the resource paks here.
  89 }
  90
  91 void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
  92   // TODO(torne): Adjust linux OOM score here.
  93 }
  94
  95 int AwMainDelegate::RunProcess(
  96     const std::string& process_type,
  97     const content::MainFunctionParams& main_function_params) {
  98   if (process_type.empty()) {
  99     AwBrowserDependencyFactoryImpl::InstallInstance();
 100
 101     browser_runner_.reset(content::BrowserMainRunner::Create());
 102     int exit_code = browser_runner_->Initialize(main_function_params);
 103     DCHECK(exit_code < 0);
 104
 105     g_allow_wait_in_ui_thread.Get().reset(
 106         new ScopedAllowWaitForLegacyWebViewApi);
 107
 108     // Return 0 so that we do NOT trigger the default behavior. On Android, the
 109     // UI message loop is managed by the Java application.
 110     return 0;
 111   }
 112
 113   return -1;
 114 }
 115
 116 void AwMainDelegate::ProcessExiting(const std::string& process_type) {
 117   // TODO(torne): Clean up resources when we handle them.
 118
 119   logging::CloseLogFile();
 120 }
 121
 122 content::ContentBrowserClient*
 123     AwMainDelegate::CreateContentBrowserClient() {
 124   content_browser_client_.reset(new AwContentBrowserClient(this));
 125   return content_browser_client_.get();
 126 }
 127
 128 content::ContentRendererClient*
 129     AwMainDelegate::CreateContentRendererClient() {
 130   content_renderer_client_.reset(new AwContentRendererClient());
 131   return content_renderer_client_.get();
 132 }
 133
 134 scoped_refptr<AwQuotaManagerBridge> AwMainDelegate::CreateAwQuotaManagerBridge(
 135     AwBrowserContext* browser_context) {
 136   return AwQuotaManagerBridgeImpl::Create(browser_context);
 137 }
 138
 139 content::GeolocationPermissionContext*
 140     AwMainDelegate::CreateGeolocationPermission(
 141         AwBrowserContext* browser_context) {
 142   return AwGeolocationPermissionContext::Create(browser_context);
 143 }
 144
 145 content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
 146     content::WebContents* web_contents) {
 147   return AwWebContentsViewDelegate::Create(web_contents);
 148 }
 149
 150 AwWebPreferencesPopulater* AwMainDelegate::CreateWebPreferencesPopulater() {
 151   return new AwWebPreferencesPopulaterImpl();
 152 }
 153
 154 }  // namespace android_webview