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