content/renderer/renderer_webkitplatformsupport_impl.h

   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 #ifndef CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
   6 #define CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/platform_file.h"
  11 #include "content/child/webkitplatformsupport_impl.h"
  12 #include "content/common/content_export.h"
  13 #include "third_party/WebKit/public/web/WebSharedWorkerRepository.h"
  14 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
  15 #include "third_party/WebKit/public/platform/WebIDBFactory.h"
  16 #include "webkit/renderer/compositor_bindings/web_compositor_support_impl.h"
  17
  18 namespace base {
  19 class MessageLoopProxy;
  20 }
  21
  22 namespace cc {
  23 class ContextProvider;
  24 }
  25
  26 namespace IPC {
  27 class SyncMessageFilter;
  28 }
  29
  30 namespace WebKit {
  31 class WebGraphicsContext3DProvider;
  32 }
  33
  34 namespace content {
  35 class GamepadSharedMemoryReader;
  36 class RendererClipboardClient;
  37 class ThreadSafeSender;
  38 class WebClipboardImpl;
  39 class WebFileSystemImpl;
  40 class WebSharedWorkerRepositoryImpl;
  41
  42 class CONTENT_EXPORT RendererWebKitPlatformSupportImpl
  43     : public WebKitPlatformSupportImpl {
  44  public:
  45   RendererWebKitPlatformSupportImpl();
  46   virtual ~RendererWebKitPlatformSupportImpl();
  47
  48   void set_plugin_refresh_allowed(bool plugin_refresh_allowed) {
  49     plugin_refresh_allowed_ = plugin_refresh_allowed;
  50   }
  51   // Platform methods:
  52   virtual WebKit::WebClipboard* clipboard();
  53   virtual WebKit::WebMimeRegistry* mimeRegistry();
  54   virtual WebKit::WebFileUtilities* fileUtilities();
  55   virtual WebKit::WebSandboxSupport* sandboxSupport();
  56   virtual WebKit::WebCookieJar* cookieJar();
  57   virtual WebKit::WebHyphenator* hyphenator();
  58   virtual WebKit::WebThemeEngine* themeEngine();
  59   virtual WebKit::WebSpeechSynthesizer* createSpeechSynthesizer(
  60       WebKit::WebSpeechSynthesizerClient* client);
  61   virtual bool sandboxEnabled();
  62   virtual unsigned long long visitedLinkHash(
  63       const char* canonicalURL, size_t length);
  64   virtual bool isLinkVisited(unsigned long long linkHash);
  65   virtual WebKit::WebMessagePortChannel* createMessagePortChannel();
  66   virtual void prefetchHostName(const WebKit::WebString&);
  67   virtual WebKit::WebPrescientNetworking* prescientNetworking();
  68   virtual void cacheMetadata(
  69       const WebKit::WebURL&, double, const char*, size_t);
  70   virtual WebKit::WebString defaultLocale();
  71   virtual void suddenTerminationChanged(bool enabled);
  72   virtual WebKit::WebStorageNamespace* createLocalStorageNamespace();
  73   virtual WebKit::Platform::FileHandle databaseOpenFile(
  74       const WebKit::WebString& vfs_file_name, int desired_flags);
  75   virtual int databaseDeleteFile(const WebKit::WebString& vfs_file_name,
  76                                  bool sync_dir);
  77   virtual long databaseGetFileAttributes(
  78       const WebKit::WebString& vfs_file_name);
  79   virtual long long databaseGetFileSize(
  80       const WebKit::WebString& vfs_file_name);
  81   virtual long long databaseGetSpaceAvailableForOrigin(
  82       const WebKit::WebString& origin_identifier);
  83   virtual WebKit::WebString signedPublicKeyAndChallengeString(
  84       unsigned key_size_index,
  85       const WebKit::WebString& challenge,
  86       const WebKit::WebURL& url);
  87   virtual void screenColorProfile(WebKit::WebVector<char>* to_profile);
  88   virtual WebKit::WebIDBFactory* idbFactory();
  89   virtual WebKit::WebFileSystem* fileSystem();
  90   virtual WebKit::WebSharedWorkerRepository* sharedWorkerRepository();
  91   virtual bool canAccelerate2dCanvas();
  92   virtual bool isThreadedCompositingEnabled();
  93   virtual double audioHardwareSampleRate();
  94   virtual size_t audioHardwareBufferSize();
  95   virtual unsigned audioHardwareOutputChannels();
  96
  97   // TODO(crogers): remove deprecated API as soon as WebKit calls new API.
  98   virtual WebKit::WebAudioDevice* createAudioDevice(
  99       size_t buffer_size, unsigned channels, double sample_rate,
 100       WebKit::WebAudioDevice::RenderCallback* callback);
 101   // TODO(crogers): remove deprecated API as soon as WebKit calls new API.
 102   virtual WebKit::WebAudioDevice* createAudioDevice(
 103       size_t buffer_size, unsigned input_channels, unsigned channels,
 104       double sample_rate, WebKit::WebAudioDevice::RenderCallback* callback);
 105
 106   virtual WebKit::WebAudioDevice* createAudioDevice(
 107       size_t buffer_size, unsigned input_channels, unsigned channels,
 108       double sample_rate, WebKit::WebAudioDevice::RenderCallback* callback,
 109       const WebKit::WebString& input_device_id);
 110
 111   virtual bool loadAudioResource(
 112       WebKit::WebAudioBus* destination_bus, const char* audio_file_data,
 113       size_t data_size, double sample_rate);
 114
 115   virtual WebKit::WebContentDecryptionModule* createContentDecryptionModule(
 116       const WebKit::WebString& key_system);
 117   virtual WebKit::WebMIDIAccessor*
 118       createMIDIAccessor(WebKit::WebMIDIAccessorClient* client);
 119
 120   virtual WebKit::WebBlobRegistry* blobRegistry();
 121   virtual void sampleGamepads(WebKit::WebGamepads&);
 122   virtual WebKit::WebString userAgent(const WebKit::WebURL& url);
 123   virtual void GetPlugins(bool refresh,
 124                           std::vector<webkit::WebPluginInfo>* plugins) OVERRIDE;
 125   virtual WebKit::WebRTCPeerConnectionHandler* createRTCPeerConnectionHandler(
 126       WebKit::WebRTCPeerConnectionHandlerClient* client);
 127   virtual WebKit::WebMediaStreamCenter* createMediaStreamCenter(
 128       WebKit::WebMediaStreamCenterClient* client);
 129   virtual bool processMemorySizesInBytes(
 130       size_t* private_bytes, size_t* shared_bytes);
 131   virtual WebKit::WebGraphicsContext3D* createOffscreenGraphicsContext3D(
 132       const WebKit::WebGraphicsContext3D::Attributes& attributes);
 133   virtual WebKit::WebGraphicsContext3DProvider*
 134       createSharedOffscreenGraphicsContext3DProvider();
 135   virtual WebKit::WebCompositorSupport* compositorSupport();
 136   virtual WebKit::WebString convertIDNToUnicode(
 137       const WebKit::WebString& host, const WebKit::WebString& languages);
 138
 139   // Disables the WebSandboxSupport implementation for testing.
 140   // Tests that do not set up a full sandbox environment should call
 141   // SetSandboxEnabledForTesting(false) _before_ creating any instances
 142   // of this class, to ensure that we don't attempt to use sandbox-related
 143   // file descriptors or other resources.
 144   //
 145   // Returns the previous |enable| value.
 146   static bool SetSandboxEnabledForTesting(bool enable);
 147
 148   // Set WebGamepads to return when sampleGamepads() is invoked.
 149   static void SetMockGamepadsForTesting(const WebKit::WebGamepads& pads);
 150
 151  private:
 152   bool CheckPreparsedJsCachingEnabled() const;
 153
 154   scoped_ptr<RendererClipboardClient> clipboard_client_;
 155   scoped_ptr<WebClipboardImpl> clipboard_;
 156
 157   class FileUtilities;
 158   scoped_ptr<FileUtilities> file_utilities_;
 159
 160   class MimeRegistry;
 161   scoped_ptr<MimeRegistry> mime_registry_;
 162
 163   class SandboxSupport;
 164   scoped_ptr<SandboxSupport> sandbox_support_;
 165
 166   class Hyphenator;
 167   scoped_ptr<Hyphenator> hyphenator_;
 168
 169   // This counter keeps track of the number of times sudden termination is
 170   // enabled or disabled. It starts at 0 (enabled) and for every disable
 171   // increments by 1, for every enable decrements by 1. When it reaches 0,
 172   // we tell the browser to enable fast termination.
 173   int sudden_termination_disables_;
 174
 175   // If true, then a GetPlugins call is allowed to rescan the disk.
 176   bool plugin_refresh_allowed_;
 177
 178   // Implementation of the WebSharedWorkerRepository APIs (provides an interface
 179   // to WorkerService on the browser thread.
 180   scoped_ptr<WebSharedWorkerRepositoryImpl> shared_worker_repository_;
 181
 182   scoped_ptr<WebKit::WebIDBFactory> web_idb_factory_;
 183
 184   scoped_ptr<WebFileSystemImpl> web_file_system_;
 185
 186   scoped_ptr<WebKit::WebBlobRegistry> blob_registry_;
 187
 188   scoped_ptr<GamepadSharedMemoryReader> gamepad_shared_memory_reader_;
 189
 190   scoped_refptr<base::MessageLoopProxy> child_thread_loop_;
 191   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;
 192   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 193
 194   scoped_refptr<cc::ContextProvider> shared_offscreen_context_;
 195
 196   webkit::WebCompositorSupportImpl compositor_support_;
 197 };
 198
 199 }  // namespace content
 200
 201 #endif  // CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_