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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
#define CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/platform_file.h"
#include "content/common/content_export.h"
#include "content/common/webkitplatformsupport_impl.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebSharedWorkerRepository.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebGraphicsContext3D.h"
namespace webkit_glue {
class WebClipboardImpl;
}
namespace content {
class GamepadSharedMemoryReader;
class Hyphenator;
class RendererClipboardClient;
class WebFileSystemImpl;
class WebSharedWorkerRepositoryImpl;
class CONTENT_EXPORT RendererWebKitPlatformSupportImpl
: public WebKitPlatformSupportImpl {
public:
RendererWebKitPlatformSupportImpl();
virtual ~RendererWebKitPlatformSupportImpl();
void set_plugin_refresh_allowed(bool plugin_refresh_allowed) {
plugin_refresh_allowed_ = plugin_refresh_allowed;
}
// WebKitPlatformSupport methods:
virtual WebKit::WebClipboard* clipboard() OVERRIDE;
virtual WebKit::WebMimeRegistry* mimeRegistry() OVERRIDE;
virtual WebKit::WebFileUtilities* fileUtilities() OVERRIDE;
virtual WebKit::WebSandboxSupport* sandboxSupport() OVERRIDE;
virtual WebKit::WebCookieJar* cookieJar() OVERRIDE;
virtual bool sandboxEnabled() OVERRIDE;
virtual unsigned long long visitedLinkHash(
const char* canonicalURL, size_t length) OVERRIDE;
virtual bool isLinkVisited(unsigned long long linkHash) OVERRIDE;
virtual WebKit::WebMessagePortChannel* createMessagePortChannel() OVERRIDE;
virtual void prefetchHostName(const WebKit::WebString&) OVERRIDE;
virtual void cacheMetadata(
const WebKit::WebURL&, double, const char*, size_t) OVERRIDE;
virtual WebKit::WebString defaultLocale() OVERRIDE;
virtual void suddenTerminationChanged(bool enabled) OVERRIDE;
virtual WebKit::WebStorageNamespace* createLocalStorageNamespace(
const WebKit::WebString& path, unsigned quota) OVERRIDE;
virtual WebKit::WebKitPlatformSupport::FileHandle databaseOpenFile(
const WebKit::WebString& vfs_file_name, int desired_flags) OVERRIDE;
virtual int databaseDeleteFile(const WebKit::WebString& vfs_file_name,
bool sync_dir) OVERRIDE;
virtual long databaseGetFileAttributes(
const WebKit::WebString& vfs_file_name) OVERRIDE;
virtual long long databaseGetFileSize(
const WebKit::WebString& vfs_file_name) OVERRIDE;
virtual long long databaseGetSpaceAvailableForOrigin(
const WebKit::WebString& origin_identifier) OVERRIDE;
virtual WebKit::WebString signedPublicKeyAndChallengeString(
unsigned key_size_index,
const WebKit::WebString& challenge,
const WebKit::WebURL& url) OVERRIDE;
virtual void screenColorProfile(WebKit::WebVector<char>* to_profile) OVERRIDE;
virtual WebKit::WebIDBFactory* idbFactory() OVERRIDE;
virtual WebKit::WebFileSystem* fileSystem() OVERRIDE;
virtual WebKit::WebSharedWorkerRepository* sharedWorkerRepository() OVERRIDE;
virtual bool canAccelerate2dCanvas();
virtual double audioHardwareSampleRate() OVERRIDE;
virtual size_t audioHardwareBufferSize() OVERRIDE;
virtual WebKit::WebAudioDevice* createAudioDevice(
size_t buffer_size, unsigned channels, double sample_rate,
WebKit::WebAudioDevice::RenderCallback* callback) OVERRIDE;
virtual WebKit::WebBlobRegistry* blobRegistry() OVERRIDE;
virtual void sampleGamepads(WebKit::WebGamepads&) OVERRIDE;
virtual WebKit::WebString userAgent(const WebKit::WebURL& url) OVERRIDE;
virtual void GetPlugins(bool refresh,
std::vector<webkit::WebPluginInfo>* plugins) OVERRIDE;
virtual WebKit::WebRTCPeerConnectionHandler* createRTCPeerConnectionHandler(
WebKit::WebRTCPeerConnectionHandlerClient* client) OVERRIDE;
virtual WebKit::WebMediaStreamCenter* createMediaStreamCenter(
WebKit::WebMediaStreamCenterClient* client) OVERRIDE;
virtual bool canHyphenate(const WebKit::WebString& locale) OVERRIDE;
virtual size_t computeLastHyphenLocation(const char16* characters,
size_t length,
size_t before_index,
const WebKit::WebString& locale) OVERRIDE;
// Disables the WebSandboxSupport implementation for testing.
// Tests that do not set up a full sandbox environment should call
// SetSandboxEnabledForTesting(false) _before_ creating any instances
// of this class, to ensure that we don't attempt to use sandbox-related
// file descriptors or other resources.
//
// Returns the previous |enable| value.
static bool SetSandboxEnabledForTesting(bool enable);
// Set WebGamepads to return when sampleGamepads() is invoked.
static void SetMockGamepadsForTesting(const WebKit::WebGamepads& pads);
protected:
virtual GpuChannelHostFactory* GetGpuChannelHostFactory() OVERRIDE;
private:
bool CheckPreparsedJsCachingEnabled() const;
scoped_ptr<RendererClipboardClient> clipboard_client_;
scoped_ptr<webkit_glue::WebClipboardImpl> clipboard_;
class FileUtilities;
scoped_ptr<FileUtilities> file_utilities_;
class MimeRegistry;
scoped_ptr<MimeRegistry> mime_registry_;
class SandboxSupport;
scoped_ptr<SandboxSupport> sandbox_support_;
// This counter keeps track of the number of times sudden termination is
// enabled or disabled. It starts at 0 (enabled) and for every disable
// increments by 1, for every enable decrements by 1. When it reaches 0,
// we tell the browser to enable fast termination.
int sudden_termination_disables_;
// If true, then a GetPlugins call is allowed to rescan the disk.
bool plugin_refresh_allowed_;
// Implementation of the WebSharedWorkerRepository APIs (provides an interface
// to WorkerService on the browser thread.
scoped_ptr<WebSharedWorkerRepositoryImpl> shared_worker_repository_;
scoped_ptr<WebKit::WebIDBFactory> web_idb_factory_;
scoped_ptr<WebFileSystemImpl> web_file_system_;
scoped_ptr<WebKit::WebBlobRegistry> blob_registry_;
scoped_ptr<GamepadSharedMemoryReader> gamepad_shared_memory_reader_;
scoped_ptr<content::Hyphenator> hyphenator_;
};
} // namespace content
#endif // CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
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