content/child/blink_platform_impl.h

   1 // Copyright 2014 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_CHILD_BLINK_PLATFORM_IMPL_H_
   6 #define CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/debug/trace_event.h"
  10 #include "base/threading/thread_local_storage.h"
  11 #include "base/timer/timer.h"
  12 #include "content/child/webcrypto/webcrypto_impl.h"
  13 #include "content/child/webfallbackthemeengine_impl.h"
  14 #include "content/common/content_export.h"
  15 #include "third_party/WebKit/public/platform/Platform.h"
  16 #include "third_party/WebKit/public/platform/WebGestureDevice.h"
  17 #include "third_party/WebKit/public/platform/WebURLError.h"
  18 #include "ui/base/layout.h"
  19
  20 #if defined(USE_DEFAULT_RENDER_THEME)
  21 #include "content/child/webthemeengine_impl_default.h"
  22 #elif defined(OS_WIN)
  23 #include "content/child/webthemeengine_impl_win.h"
  24 #elif defined(OS_MACOSX)
  25 #include "content/child/webthemeengine_impl_mac.h"
  26 #elif defined(OS_ANDROID)
  27 #include "content/child/webthemeengine_impl_android.h"
  28 #endif
  29
  30 namespace base {
  31 class MessageLoop;
  32 }
  33
  34 namespace content {
  35 class FlingCurveConfiguration;
  36 class NotificationDispatcher;
  37 class ThreadSafeSender;
  38 class WebCryptoImpl;
  39 class WebGeofencingProviderImpl;
  40
  41 class CONTENT_EXPORT BlinkPlatformImpl
  42     : NON_EXPORTED_BASE(public blink::Platform) {
  43  public:
  44   BlinkPlatformImpl();
  45   virtual ~BlinkPlatformImpl();
  46
  47   // Platform methods (partial implementation):
  48   virtual blink::WebThemeEngine* themeEngine();
  49   virtual blink::WebFallbackThemeEngine* fallbackThemeEngine();
  50   virtual blink::Platform::FileHandle databaseOpenFile(
  51       const blink::WebString& vfs_file_name, int desired_flags);
  52   virtual int databaseDeleteFile(const blink::WebString& vfs_file_name,
  53                                  bool sync_dir);
  54   virtual long databaseGetFileAttributes(
  55       const blink::WebString& vfs_file_name);
  56   virtual long long databaseGetFileSize(const blink::WebString& vfs_file_name);
  57   virtual long long databaseGetSpaceAvailableForOrigin(
  58       const blink::WebString& origin_identifier);
  59   virtual blink::WebString signedPublicKeyAndChallengeString(
  60       unsigned key_size_index, const blink::WebString& challenge,
  61       const blink::WebURL& url);
  62   virtual size_t memoryUsageMB();
  63   virtual size_t actualMemoryUsageMB();
  64   virtual size_t physicalMemoryMB();
  65   virtual size_t virtualMemoryLimitMB();
  66   virtual size_t numberOfProcessors();
  67
  68   virtual void startHeapProfiling(const blink::WebString& prefix);
  69   virtual void stopHeapProfiling();
  70   virtual void dumpHeapProfiling(const blink::WebString& reason);
  71   virtual blink::WebString getHeapProfile();
  72
  73   virtual bool processMemorySizesInBytes(size_t* private_bytes,
  74                                          size_t* shared_bytes);
  75   virtual bool memoryAllocatorWasteInBytes(size_t* size);
  76   virtual blink::WebDiscardableMemory* allocateAndLockDiscardableMemory(
  77       size_t bytes);
  78   virtual size_t maxDecodedImageBytes();
  79   virtual blink::WebURLLoader* createURLLoader();
  80   virtual blink::WebSocketHandle* createWebSocketHandle();
  81   virtual blink::WebString userAgent();
  82   virtual blink::WebData parseDataURL(
  83       const blink::WebURL& url, blink::WebString& mimetype,
  84       blink::WebString& charset);
  85   virtual blink::WebURLError cancelledError(const blink::WebURL& url) const;
  86   virtual bool isReservedIPAddress(
  87       const blink::WebSecurityOrigin&) const;
  88   virtual bool isReservedIPAddress(const blink::WebURL&) const;
  89   virtual blink::WebThread* createThread(const char* name);
  90   virtual blink::WebThread* currentThread();
  91   virtual void yieldCurrentThread();
  92   virtual blink::WebWaitableEvent* createWaitableEvent();
  93   virtual blink::WebWaitableEvent* waitMultipleEvents(
  94       const blink::WebVector<blink::WebWaitableEvent*>& events);
  95   virtual void decrementStatsCounter(const char* name);
  96   virtual void incrementStatsCounter(const char* name);
  97   virtual void histogramCustomCounts(
  98     const char* name, int sample, int min, int max, int bucket_count);
  99   virtual void histogramEnumeration(
 100     const char* name, int sample, int boundary_value);
 101   virtual void histogramSparse(const char* name, int sample);
 102   virtual const unsigned char* getTraceCategoryEnabledFlag(
 103       const char* category_name);
 104   virtual long* getTraceSamplingState(const unsigned thread_bucket);
 105   virtual TraceEventHandle addTraceEvent(
 106       char phase,
 107       const unsigned char* category_group_enabled,
 108       const char* name,
 109       unsigned long long id,
 110       int num_args,
 111       const char** arg_names,
 112       const unsigned char* arg_types,
 113       const unsigned long long* arg_values,
 114       unsigned char flags);
 115   virtual TraceEventHandle addTraceEvent(
 116       char phase,
 117       const unsigned char* category_group_enabled,
 118       const char* name,
 119       unsigned long long id,
 120       int num_args,
 121       const char** arg_names,
 122       const unsigned char* arg_types,
 123       const unsigned long long* arg_values,
 124       const blink::WebConvertableToTraceFormat* convertable_values,
 125       unsigned char flags);
 126   virtual void updateTraceEventDuration(
 127       const unsigned char* category_group_enabled,
 128       const char* name,
 129       TraceEventHandle);
 130   virtual blink::WebData loadResource(const char* name);
 131   virtual blink::WebString queryLocalizedString(
 132       blink::WebLocalizedString::Name name);
 133   virtual blink::WebString queryLocalizedString(
 134       blink::WebLocalizedString::Name name, int numeric_value);
 135   virtual blink::WebString queryLocalizedString(
 136       blink::WebLocalizedString::Name name, const blink::WebString& value);
 137   virtual blink::WebString queryLocalizedString(
 138       blink::WebLocalizedString::Name name,
 139       const blink::WebString& value1, const blink::WebString& value2);
 140   virtual void suddenTerminationChanged(bool enabled) { }
 141   virtual double currentTime();
 142   virtual double monotonicallyIncreasingTime();
 143   virtual void cryptographicallyRandomValues(
 144       unsigned char* buffer, size_t length);
 145   virtual void setSharedTimerFiredFunction(void (*func)());
 146   virtual void setSharedTimerFireInterval(double interval_seconds);
 147   virtual void stopSharedTimer();
 148   virtual void callOnMainThread(void (*func)(void*), void* context);
 149   virtual blink::WebGestureCurve* createFlingAnimationCurve(
 150       blink::WebGestureDevice device_source,
 151       const blink::WebFloatPoint& velocity,
 152       const blink::WebSize& cumulative_scroll);
 153   virtual void didStartWorkerRunLoop(
 154       const blink::WebWorkerRunLoop& runLoop);
 155   virtual void didStopWorkerRunLoop(
 156       const blink::WebWorkerRunLoop& runLoop);
 157   virtual blink::WebCrypto* crypto();
 158   virtual blink::WebGeofencingProvider* geofencingProvider();
 159   virtual blink::WebNotificationManager* notificationManager();
 160
 161   void SuspendSharedTimer();
 162   void ResumeSharedTimer();
 163   virtual void OnStartSharedTimer(base::TimeDelta delay) {}
 164
 165  private:
 166   static void DestroyCurrentThread(void*);
 167
 168   void DoTimeout() {
 169     if (shared_timer_func_ && !shared_timer_suspended_)
 170       shared_timer_func_();
 171   }
 172
 173   WebThemeEngineImpl native_theme_engine_;
 174   WebFallbackThemeEngineImpl fallback_theme_engine_;
 175   base::MessageLoop* main_loop_;
 176   base::OneShotTimer<BlinkPlatformImpl> shared_timer_;
 177   void (*shared_timer_func_)();
 178   double shared_timer_fire_time_;
 179   bool shared_timer_fire_time_was_set_while_suspended_;
 180   int shared_timer_suspended_;  // counter
 181   base::ThreadLocalStorage::Slot current_thread_slot_;
 182   WebCryptoImpl web_crypto_;
 183   scoped_ptr<WebGeofencingProviderImpl> geofencing_provider_;
 184
 185   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 186   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
 187 };
 188
 189 }  // namespace content
 190
 191 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_