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/threading/thread_local_storage.h"
  10 #include "base/timer/timer.h"
  11 #include "base/trace_event/trace_event.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 PermissionDispatcher;
  38 class PushDispatcher;
  39 class ThreadSafeSender;
  40 class WebBluetoothImpl;
  41 class WebCryptoImpl;
  42 class WebGeofencingProviderImpl;
  43
  44 class CONTENT_EXPORT BlinkPlatformImpl
  45     : NON_EXPORTED_BASE(public blink::Platform) {
  46  public:
  47   BlinkPlatformImpl();
  48   explicit BlinkPlatformImpl(
  49       scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner);
  50   virtual ~BlinkPlatformImpl();
  51
  52   // Platform methods (partial implementation):
  53   virtual blink::WebThemeEngine* themeEngine();
  54   virtual blink::WebFallbackThemeEngine* fallbackThemeEngine();
  55   virtual blink::Platform::FileHandle databaseOpenFile(
  56       const blink::WebString& vfs_file_name, int desired_flags);
  57   virtual int databaseDeleteFile(const blink::WebString& vfs_file_name,
  58                                  bool sync_dir);
  59   virtual long databaseGetFileAttributes(
  60       const blink::WebString& vfs_file_name);
  61   virtual long long databaseGetFileSize(const blink::WebString& vfs_file_name);
  62   virtual long long databaseGetSpaceAvailableForOrigin(
  63       const blink::WebString& origin_identifier);
  64   virtual bool databaseSetFileSize(
  65       const blink::WebString& vfs_file_name, long long size);
  66   virtual blink::WebString signedPublicKeyAndChallengeString(
  67       unsigned key_size_index, const blink::WebString& challenge,
  68       const blink::WebURL& url);
  69   virtual size_t memoryUsageMB();
  70   virtual size_t actualMemoryUsageMB();
  71   virtual size_t physicalMemoryMB();
  72   virtual size_t virtualMemoryLimitMB();
  73   virtual size_t numberOfProcessors();
  74
  75   virtual bool processMemorySizesInBytes(size_t* private_bytes,
  76                                          size_t* shared_bytes);
  77   virtual bool memoryAllocatorWasteInBytes(size_t* size);
  78   virtual blink::WebDiscardableMemory* allocateAndLockDiscardableMemory(
  79       size_t bytes);
  80   virtual size_t maxDecodedImageBytes();
  81   virtual blink::WebURLLoader* createURLLoader();
  82   virtual blink::WebSocketHandle* createWebSocketHandle();
  83   virtual blink::WebString userAgent();
  84   virtual blink::WebData parseDataURL(
  85       const blink::WebURL& url, blink::WebString& mimetype,
  86       blink::WebString& charset);
  87   virtual blink::WebURLError cancelledError(const blink::WebURL& url) const;
  88   virtual bool isReservedIPAddress(const blink::WebString& host) 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       double timestamp,
 111       int num_args,
 112       const char** arg_names,
 113       const unsigned char* arg_types,
 114       const unsigned long long* arg_values,
 115       unsigned char flags);
 116   virtual TraceEventHandle addTraceEvent(
 117       char phase,
 118       const unsigned char* category_group_enabled,
 119       const char* name,
 120       unsigned long long id,
 121       double timestamp,
 122       int num_args,
 123       const char** arg_names,
 124       const unsigned char* arg_types,
 125       const unsigned long long* arg_values,
 126       const blink::WebConvertableToTraceFormat* convertable_values,
 127       unsigned char flags);
 128   virtual void updateTraceEventDuration(
 129       const unsigned char* category_group_enabled,
 130       const char* name,
 131       TraceEventHandle);
 132   virtual blink::WebData loadResource(const char* name);
 133   virtual blink::WebString queryLocalizedString(
 134       blink::WebLocalizedString::Name name);
 135   virtual blink::WebString queryLocalizedString(
 136       blink::WebLocalizedString::Name name, int numeric_value);
 137   virtual blink::WebString queryLocalizedString(
 138       blink::WebLocalizedString::Name name, const blink::WebString& value);
 139   virtual blink::WebString queryLocalizedString(
 140       blink::WebLocalizedString::Name name,
 141       const blink::WebString& value1, const blink::WebString& value2);
 142   virtual void suddenTerminationChanged(bool enabled) { }
 143   virtual double currentTime();
 144   virtual double monotonicallyIncreasingTime();
 145   virtual void cryptographicallyRandomValues(
 146       unsigned char* buffer, size_t length);
 147   virtual void setSharedTimerFiredFunction(void (*func)());
 148   virtual void setSharedTimerFireInterval(double interval_seconds);
 149   virtual void stopSharedTimer();
 150   virtual void callOnMainThread(void (*func)(void*), void* context);
 151   virtual blink::WebGestureCurve* createFlingAnimationCurve(
 152       blink::WebGestureDevice device_source,
 153       const blink::WebFloatPoint& velocity,
 154       const blink::WebSize& cumulative_scroll);
 155   virtual void didStartWorkerRunLoop();
 156   virtual void didStopWorkerRunLoop();
 157   virtual blink::WebCrypto* crypto();
 158   virtual blink::WebGeofencingProvider* geofencingProvider();
 159   virtual blink::WebBluetooth* bluetooth();
 160   virtual blink::WebNotificationManager* notificationManager();
 161   virtual blink::WebPushProvider* pushProvider();
 162   virtual blink::WebNavigatorConnectProvider* navigatorConnectProvider();
 163   virtual blink::WebPermissionClient* permissionClient();
 164
 165   void SuspendSharedTimer();
 166   void ResumeSharedTimer();
 167   virtual void OnStartSharedTimer(base::TimeDelta delay) {}
 168
 169   WebBluetoothImpl* BluetoothImplForTesting() { return bluetooth_.get(); }
 170
 171   virtual blink::WebString domCodeStringFromEnum(int dom_code);
 172   virtual int domEnumFromCodeString(const blink::WebString& codeString);
 173
 174  private:
 175   void DoTimeout() {
 176     if (shared_timer_func_ && !shared_timer_suspended_)
 177       shared_timer_func_();
 178   }
 179
 180   void InternalInit();
 181   void UpdateWebThreadTLS(blink::WebThread* thread);
 182
 183   bool IsMainThread() const;
 184
 185   scoped_refptr<base::SingleThreadTaskRunner> MainTaskRunnerForCurrentThread();
 186
 187   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
 188   WebThemeEngineImpl native_theme_engine_;
 189   WebFallbackThemeEngineImpl fallback_theme_engine_;
 190   base::OneShotTimer<BlinkPlatformImpl> shared_timer_;
 191   void (*shared_timer_func_)();
 192   double shared_timer_fire_time_;
 193   bool shared_timer_fire_time_was_set_while_suspended_;
 194   int shared_timer_suspended_;  // counter
 195   base::ThreadLocalStorage::Slot current_thread_slot_;
 196   WebCryptoImpl web_crypto_;
 197   scoped_ptr<WebGeofencingProviderImpl> geofencing_provider_;
 198   scoped_ptr<WebBluetoothImpl> bluetooth_;
 199
 200   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 201   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
 202   scoped_refptr<PushDispatcher> push_dispatcher_;
 203   scoped_ptr<PermissionDispatcher> permission_client_;
 204 };
 205
 206 }  // namespace content
 207
 208 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_