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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 WEBKIT_PLATFORM_SUPPORT_IMPL_H_
#define WEBKIT_PLATFORM_SUPPORT_IMPL_H_
#include "base/compiler_specific.h"
#include "base/platform_file.h"
#include "base/threading/thread_local_storage.h"
#include "base/timer.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebKitPlatformSupport.h"
#include "ui/base/layout.h"
#include "webkit/glue/resource_loader_bridge.h"
#include "webkit/glue/webkit_glue_export.h"
#if defined(USE_DEFAULT_RENDER_THEME)
#include "webkit/glue/webthemeengine_impl_default.h"
#elif defined(OS_WIN)
#include "webkit/glue/webthemeengine_impl_win.h"
#elif defined(OS_MACOSX)
#include "webkit/glue/webthemeengine_impl_mac.h"
#elif defined(OS_ANDROID)
#include "webkit/glue/webthemeengine_impl_android.h"
#endif
class MessageLoop;
namespace webkit {
class WebCompositorSupportImpl;
struct WebPluginInfo;
}
namespace WebKit {
class WebSocketStreamHandle;
}
namespace webkit_glue {
class WebSocketStreamHandleDelegate;
class WebSocketStreamHandleBridge;
class WEBKIT_GLUE_EXPORT WebKitPlatformSupportImpl :
NON_EXPORTED_BASE(public WebKit::WebKitPlatformSupport) {
public:
WebKitPlatformSupportImpl();
virtual ~WebKitPlatformSupportImpl();
// WebKitPlatformSupport methods (partial implementation):
virtual WebKit::WebThemeEngine* themeEngine();
virtual base::PlatformFile databaseOpenFile(
const WebKit::WebString& vfs_file_name, int desired_flags);
virtual int databaseDeleteFile(const WebKit::WebString& vfs_file_name,
bool sync_dir);
virtual long databaseGetFileAttributes(
const WebKit::WebString& vfs_file_name);
virtual long long databaseGetFileSize(const WebKit::WebString& vfs_file_name);
virtual long long databaseGetSpaceAvailableForOrigin(
const WebKit::WebString& origin_identifier);
virtual WebKit::WebString signedPublicKeyAndChallengeString(
unsigned key_size_index, const WebKit::WebString& challenge,
const WebKit::WebURL& url);
virtual size_t memoryUsageMB();
virtual size_t actualMemoryUsageMB();
#if defined(OS_ANDROID) // Other OSes just use the default values.
virtual size_t lowMemoryUsageMB() OVERRIDE;
virtual size_t highMemoryUsageMB() OVERRIDE;
virtual size_t highUsageDeltaMB() OVERRIDE;
#endif
virtual bool processMemorySizesInBytes(size_t* private_bytes,
size_t* shared_bytes);
virtual bool memoryAllocatorWasteInBytes(size_t* size);
virtual WebKit::WebURLLoader* createURLLoader();
virtual WebKit::WebSocketStreamHandle* createSocketStreamHandle();
virtual WebKit::WebString userAgent(const WebKit::WebURL& url);
virtual void getPluginList(bool refresh, WebKit::WebPluginListBuilder*);
virtual void decrementStatsCounter(const char* name);
virtual void incrementStatsCounter(const char* name);
virtual void histogramCustomCounts(
const char* name, int sample, int min, int max, int bucket_count);
virtual void histogramEnumeration(
const char* name, int sample, int boundary_value);
virtual const unsigned char* getTraceCategoryEnabledFlag(
const char* category_name);
virtual void addTraceEvent(
char phase,
const unsigned char* category_enabled,
const char* name,
unsigned long long id,
int num_args,
const char** arg_names,
const unsigned char* arg_types,
const unsigned long long* arg_values,
unsigned char flags);
virtual WebKit::WebData loadResource(const char* name);
virtual bool loadAudioResource(
WebKit::WebAudioBus* destination_bus, const char* audio_file_data,
size_t data_size, double sample_rate);
virtual WebKit::WebString queryLocalizedString(
WebKit::WebLocalizedString::Name name);
virtual WebKit::WebString queryLocalizedString(
WebKit::WebLocalizedString::Name name, int numeric_value);
virtual WebKit::WebString queryLocalizedString(
WebKit::WebLocalizedString::Name name, const WebKit::WebString& value);
virtual WebKit::WebString queryLocalizedString(
WebKit::WebLocalizedString::Name name,
const WebKit::WebString& value1, const WebKit::WebString& value2);
virtual void suddenTerminationChanged(bool enabled) { }
virtual double currentTime();
virtual double monotonicallyIncreasingTime();
virtual void cryptographicallyRandomValues(
unsigned char* buffer, size_t length);
virtual void setSharedTimerFiredFunction(void (*func)());
virtual void setSharedTimerFireInterval(double interval_seconds);
virtual void stopSharedTimer();
virtual void callOnMainThread(void (*func)(void*), void* context);
virtual WebKit::WebThread* createThread(const char* name);
virtual WebKit::WebThread* currentThread();
virtual WebKit::WebCompositorSupport* compositorSupport();
// Embedder functions. The following are not implemented by the glue layer and
// need to be specialized by the embedder.
// Gets a localized string given a message id. Returns an empty string if the
// message id is not found.
virtual string16 GetLocalizedString(int message_id) = 0;
// Returns the raw data for a resource. This resource must have been
// specified as BINDATA in the relevant .rc file.
virtual base::StringPiece GetDataResource(int resource_id,
ui::ScaleFactor scale_factor) = 0;
// Returns the list of plugins.
virtual void GetPlugins(bool refresh,
std::vector<webkit::WebPluginInfo>* plugins) = 0;
// Creates a ResourceLoaderBridge.
virtual ResourceLoaderBridge* CreateResourceLoader(
const ResourceLoaderBridge::RequestInfo& request_info) = 0;
// Creates a WebSocketStreamHandleBridge.
virtual WebSocketStreamHandleBridge* CreateWebSocketBridge(
WebKit::WebSocketStreamHandle* handle,
WebSocketStreamHandleDelegate* delegate) = 0;
void SuspendSharedTimer();
void ResumeSharedTimer();
virtual void OnStartSharedTimer(base::TimeDelta delay) {}
virtual void didStartWorkerRunLoop(
const WebKit::WebWorkerRunLoop& runLoop) OVERRIDE;
virtual void didStopWorkerRunLoop(
const WebKit::WebWorkerRunLoop& runLoop) OVERRIDE;
virtual WebKit::WebGestureCurve* createFlingAnimationCurve(
int device_source,
const WebKit::WebFloatPoint& velocity,
const WebKit::WebSize& cumulative_scroll) OVERRIDE;
private:
void DoTimeout() {
if (shared_timer_func_ && !shared_timer_suspended_)
shared_timer_func_();
}
static void DestroyCurrentThread(void*);
MessageLoop* main_loop_;
base::OneShotTimer<WebKitPlatformSupportImpl> shared_timer_;
void (*shared_timer_func_)();
double shared_timer_fire_time_;
int shared_timer_suspended_; // counter
WebThemeEngineImpl theme_engine_;
base::ThreadLocalStorage::Slot current_thread_slot_;
scoped_ptr<webkit::WebCompositorSupportImpl> compositor_support_;
};
} // namespace webkit_glue
#endif // WEBKIT_PLATFORM_SUPPORT_IMPL_H_
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