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/containers/scoped_ptr_hash_map.h"
  10 #include "base/threading/thread_local_storage.h"
  11 #include "base/timer/timer.h"
  12 #include "base/trace_event/trace_event.h"
  13 #include "components/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/WebGestureDevice.h"
  18 #include "third_party/WebKit/public/platform/WebURLError.h"
  19 #include "ui/base/layout.h"
  20
  21 #if defined(USE_DEFAULT_RENDER_THEME)
  22 #include "content/child/webthemeengine_impl_default.h"
  23 #elif defined(OS_WIN)
  24 #include "content/child/webthemeengine_impl_win.h"
  25 #elif defined(OS_MACOSX)
  26 #include "content/child/webthemeengine_impl_mac.h"
  27 #elif defined(OS_ANDROID)
  28 #include "content/child/webthemeengine_impl_android.h"
  29 #endif
  30
  31 namespace base {
  32 class MessageLoop;
  33 }
  34
  35 namespace content {
  36 class BackgroundSyncProvider;
  37 class FlingCurveConfiguration;
  38 class NotificationDispatcher;
  39 class PermissionDispatcher;
  40 class PushDispatcher;
  41 class ThreadSafeSender;
  42 class WebBluetoothImpl;
  43 class WebCryptoImpl;
  44 class WebGeofencingProviderImpl;
  45 class WebMemoryDumpProviderAdapter;
  46
  47 class CONTENT_EXPORT BlinkPlatformImpl
  48     : NON_EXPORTED_BASE(public blink::Platform) {
  49  public:
  50   BlinkPlatformImpl();
  51   explicit BlinkPlatformImpl(
  52       scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner);
  53   virtual ~BlinkPlatformImpl();
  54
  55   // Platform methods (partial implementation):
  56   virtual blink::WebThemeEngine* themeEngine();
  57   virtual blink::WebFallbackThemeEngine* fallbackThemeEngine();
  58   virtual blink::Platform::FileHandle databaseOpenFile(
  59       const blink::WebString& vfs_file_name, int desired_flags);
  60   virtual int databaseDeleteFile(const blink::WebString& vfs_file_name,
  61                                  bool sync_dir);
  62   virtual long databaseGetFileAttributes(
  63       const blink::WebString& vfs_file_name);
  64   virtual long long databaseGetFileSize(const blink::WebString& vfs_file_name);
  65   virtual long long databaseGetSpaceAvailableForOrigin(
  66       const blink::WebString& origin_identifier);
  67   virtual bool databaseSetFileSize(
  68       const blink::WebString& vfs_file_name, long long size);
  69   virtual blink::WebString signedPublicKeyAndChallengeString(
  70       unsigned key_size_index, const blink::WebString& challenge,
  71       const blink::WebURL& url);
  72   virtual size_t memoryUsageMB();
  73   virtual size_t actualMemoryUsageMB();
  74   virtual size_t physicalMemoryMB();
  75   virtual size_t virtualMemoryLimitMB();
  76   virtual size_t numberOfProcessors();
  77
  78   virtual bool processMemorySizesInBytes(size_t* private_bytes,
  79                                          size_t* shared_bytes);
  80   virtual bool memoryAllocatorWasteInBytes(size_t* size);
  81   virtual blink::WebDiscardableMemory* allocateAndLockDiscardableMemory(
  82       size_t bytes);
  83   virtual size_t maxDecodedImageBytes();
  84   virtual blink::WebURLLoader* createURLLoader();
  85   virtual blink::WebSocketHandle* createWebSocketHandle();
  86   virtual blink::WebString userAgent();
  87   virtual blink::WebData parseDataURL(
  88       const blink::WebURL& url, blink::WebString& mimetype,
  89       blink::WebString& charset);
  90   virtual blink::WebURLError cancelledError(const blink::WebURL& url) const;
  91   virtual bool isReservedIPAddress(const blink::WebString& host) const;
  92   virtual bool portAllowed(const blink::WebURL& url) const;
  93   virtual blink::WebThread* createThread(const char* name);
  94   virtual blink::WebThread* currentThread();
  95   virtual void yieldCurrentThread();
  96   virtual blink::WebWaitableEvent* createWaitableEvent();
  97   virtual blink::WebWaitableEvent* waitMultipleEvents(
  98       const blink::WebVector<blink::WebWaitableEvent*>& events);
  99   virtual void decrementStatsCounter(const char* name);
 100   virtual void incrementStatsCounter(const char* name);
 101   virtual void histogramCustomCounts(
 102     const char* name, int sample, int min, int max, int bucket_count);
 103   virtual void histogramEnumeration(
 104     const char* name, int sample, int boundary_value);
 105   virtual void histogramSparse(const char* name, int sample);
 106   virtual const unsigned char* getTraceCategoryEnabledFlag(
 107       const char* category_name);
 108   virtual TraceEventAPIAtomicWord* getTraceSamplingState(
 109       const unsigned thread_bucket);
 110   virtual TraceEventHandle addTraceEvent(
 111       char phase,
 112       const unsigned char* category_group_enabled,
 113       const char* name,
 114       unsigned long long id,
 115       double timestamp,
 116       int num_args,
 117       const char** arg_names,
 118       const unsigned char* arg_types,
 119       const unsigned long long* arg_values,
 120       unsigned char flags);
 121   virtual TraceEventHandle addTraceEvent(
 122       char phase,
 123       const unsigned char* category_group_enabled,
 124       const char* name,
 125       unsigned long long id,
 126       double timestamp,
 127       int num_args,
 128       const char** arg_names,
 129       const unsigned char* arg_types,
 130       const unsigned long long* arg_values,
 131       blink::WebConvertableToTraceFormat* convertable_values,
 132       unsigned char flags);
 133   virtual void updateTraceEventDuration(
 134       const unsigned char* category_group_enabled,
 135       const char* name,
 136       TraceEventHandle);
 137   virtual void registerMemoryDumpProvider(blink::WebMemoryDumpProvider* wmdp);
 138   virtual void unregisterMemoryDumpProvider(blink::WebMemoryDumpProvider* wmdp);
 139   virtual blink::WebProcessMemoryDump* createProcessMemoryDump();
 140
 141   virtual blink::WebData loadResource(const char* name);
 142   virtual blink::WebString queryLocalizedString(
 143       blink::WebLocalizedString::Name name);
 144   virtual blink::WebString queryLocalizedString(
 145       blink::WebLocalizedString::Name name, int numeric_value);
 146   virtual blink::WebString queryLocalizedString(
 147       blink::WebLocalizedString::Name name, const blink::WebString& value);
 148   virtual blink::WebString queryLocalizedString(
 149       blink::WebLocalizedString::Name name,
 150       const blink::WebString& value1, const blink::WebString& value2);
 151   virtual void suddenTerminationChanged(bool enabled) { }
 152   virtual double currentTime();
 153   virtual double monotonicallyIncreasingTime();
 154   virtual double systemTraceTime();
 155   virtual void cryptographicallyRandomValues(
 156       unsigned char* buffer, size_t length);
 157   virtual void setSharedTimerFiredFunction(void (*func)());
 158   virtual void setSharedTimerFireInterval(double interval_seconds);
 159   virtual void stopSharedTimer();
 160   virtual blink::WebGestureCurve* createFlingAnimationCurve(
 161       blink::WebGestureDevice device_source,
 162       const blink::WebFloatPoint& velocity,
 163       const blink::WebSize& cumulative_scroll);
 164   virtual void didStartWorkerRunLoop();
 165   virtual void didStopWorkerRunLoop();
 166   virtual blink::WebCrypto* crypto();
 167   virtual blink::WebGeofencingProvider* geofencingProvider();
 168   virtual blink::WebBluetooth* bluetooth();
 169   virtual blink::WebNotificationManager* notificationManager();
 170   virtual blink::WebPushProvider* pushProvider();
 171   virtual blink::WebNavigatorConnectProvider* navigatorConnectProvider();
 172   virtual blink::WebPermissionClient* permissionClient();
 173   virtual blink::WebSyncProvider* backgroundSyncProvider();
 174
 175   void SuspendSharedTimer();
 176   void ResumeSharedTimer();
 177   virtual void OnStartSharedTimer(base::TimeDelta delay) {}
 178
 179   virtual blink::WebString domCodeStringFromEnum(int dom_code);
 180   virtual int domEnumFromCodeString(const blink::WebString& codeString);
 181
 182  private:
 183   void DoTimeout() {
 184     if (shared_timer_func_ && !shared_timer_suspended_)
 185       shared_timer_func_();
 186   }
 187
 188   void InternalInit();
 189   void UpdateWebThreadTLS(blink::WebThread* thread);
 190
 191   bool IsMainThread() const;
 192
 193   scoped_refptr<base::SingleThreadTaskRunner> MainTaskRunnerForCurrentThread();
 194
 195   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
 196   WebThemeEngineImpl native_theme_engine_;
 197   WebFallbackThemeEngineImpl fallback_theme_engine_;
 198   base::OneShotTimer<BlinkPlatformImpl> shared_timer_;
 199   void (*shared_timer_func_)();
 200   double shared_timer_fire_time_;
 201   bool shared_timer_fire_time_was_set_while_suspended_;
 202   int shared_timer_suspended_;  // counter
 203   base::ThreadLocalStorage::Slot current_thread_slot_;
 204   webcrypto::WebCryptoImpl web_crypto_;
 205   scoped_ptr<WebGeofencingProviderImpl> geofencing_provider_;
 206   scoped_ptr<WebBluetoothImpl> bluetooth_;
 207   base::ScopedPtrHashMap<blink::WebMemoryDumpProvider*,
 208                          scoped_ptr<WebMemoryDumpProviderAdapter>>
 209       memory_dump_providers_;
 210
 211   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 212   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
 213   scoped_refptr<PushDispatcher> push_dispatcher_;
 214   scoped_ptr<PermissionDispatcher> permission_client_;
 215   scoped_ptr<BackgroundSyncProvider> sync_provider_;
 216 };
 217
 218 }  // namespace content
 219
 220 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_