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 WebCryptoImpl;
  43 class WebGeofencingProviderImpl;
  44 class WebMemoryDumpProviderAdapter;
  45
  46 class CONTENT_EXPORT BlinkPlatformImpl
  47     : NON_EXPORTED_BASE(public blink::Platform) {
  48  public:
  49   BlinkPlatformImpl();
  50   explicit BlinkPlatformImpl(
  51       scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner);
  52   virtual ~BlinkPlatformImpl();
  53
  54   // Platform methods (partial implementation):
  55   virtual blink::WebThemeEngine* themeEngine();
  56   virtual blink::WebFallbackThemeEngine* fallbackThemeEngine();
  57   virtual blink::Platform::FileHandle databaseOpenFile(
  58       const blink::WebString& vfs_file_name, int desired_flags);
  59   virtual int databaseDeleteFile(const blink::WebString& vfs_file_name,
  60                                  bool sync_dir);
  61   virtual long databaseGetFileAttributes(
  62       const blink::WebString& vfs_file_name);
  63   virtual long long databaseGetFileSize(const blink::WebString& vfs_file_name);
  64   virtual long long databaseGetSpaceAvailableForOrigin(
  65       const blink::WebString& origin_identifier);
  66   virtual bool databaseSetFileSize(
  67       const blink::WebString& vfs_file_name, long long size);
  68   virtual blink::WebString signedPublicKeyAndChallengeString(
  69       unsigned key_size_index, const blink::WebString& challenge,
  70       const blink::WebURL& url);
  71   virtual size_t memoryUsageMB();
  72   virtual size_t actualMemoryUsageMB();
  73   virtual size_t physicalMemoryMB();
  74   virtual size_t virtualMemoryLimitMB();
  75   virtual bool isLowEndDeviceMode();
  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 uint32_t getUniqueIdForProcess();
  85   virtual blink::WebURLLoader* createURLLoader();
  86   virtual blink::WebSocketHandle* createWebSocketHandle();
  87   virtual blink::WebString userAgent();
  88   virtual blink::WebData parseDataURL(
  89       const blink::WebURL& url, blink::WebString& mimetype,
  90       blink::WebString& charset);
  91   virtual blink::WebURLError cancelledError(const blink::WebURL& url) const;
  92   virtual bool isReservedIPAddress(const blink::WebString& host) const;
  93   virtual bool portAllowed(const blink::WebURL& url) const;
  94   virtual blink::WebThread* createThread(const char* name);
  95   virtual blink::WebThread* currentThread();
  96   virtual void yieldCurrentThread();
  97   virtual blink::WebWaitableEvent* createWaitableEvent(
  98       blink::WebWaitableEvent::ResetPolicy policy,
  99       blink::WebWaitableEvent::InitialState state);
 100   virtual blink::WebWaitableEvent* waitMultipleEvents(
 101       const blink::WebVector<blink::WebWaitableEvent*>& events);
 102   virtual void decrementStatsCounter(const char* name);
 103   virtual void incrementStatsCounter(const char* name);
 104   virtual void histogramCustomCounts(
 105     const char* name, int sample, int min, int max, int bucket_count);
 106   virtual void histogramEnumeration(
 107     const char* name, int sample, int boundary_value);
 108   virtual void histogramSparse(const char* name, int sample);
 109   virtual const unsigned char* getTraceCategoryEnabledFlag(
 110       const char* category_name);
 111   virtual TraceEventAPIAtomicWord* getTraceSamplingState(
 112       const unsigned thread_bucket);
 113   virtual TraceEventHandle addTraceEvent(
 114       char phase,
 115       const unsigned char* category_group_enabled,
 116       const char* name,
 117       unsigned long long id,
 118       double timestamp,
 119       int num_args,
 120       const char** arg_names,
 121       const unsigned char* arg_types,
 122       const unsigned long long* arg_values,
 123       unsigned char flags);
 124   virtual TraceEventHandle addTraceEvent(
 125       char phase,
 126       const unsigned char* category_group_enabled,
 127       const char* name,
 128       unsigned long long id,
 129       double timestamp,
 130       int num_args,
 131       const char** arg_names,
 132       const unsigned char* arg_types,
 133       const unsigned long long* arg_values,
 134       blink::WebConvertableToTraceFormat* convertable_values,
 135       unsigned char flags);
 136   virtual void updateTraceEventDuration(
 137       const unsigned char* category_group_enabled,
 138       const char* name,
 139       TraceEventHandle);
 140   virtual void registerMemoryDumpProvider(blink::WebMemoryDumpProvider* wmdp);
 141   virtual void unregisterMemoryDumpProvider(blink::WebMemoryDumpProvider* wmdp);
 142   virtual blink::WebProcessMemoryDump* createProcessMemoryDump();
 143   virtual blink::Platform::WebMemoryAllocatorDumpGuid
 144   createWebMemoryAllocatorDumpGuid(const blink::WebString& guidStr);
 145
 146   virtual blink::WebData loadResource(const char* name);
 147   virtual blink::WebString queryLocalizedString(
 148       blink::WebLocalizedString::Name name);
 149   virtual blink::WebString queryLocalizedString(
 150       blink::WebLocalizedString::Name name, int numeric_value);
 151   virtual blink::WebString queryLocalizedString(
 152       blink::WebLocalizedString::Name name, const blink::WebString& value);
 153   virtual blink::WebString queryLocalizedString(
 154       blink::WebLocalizedString::Name name,
 155       const blink::WebString& value1, const blink::WebString& value2);
 156   virtual void suddenTerminationChanged(bool enabled) { }
 157   virtual double currentTime();
 158   virtual double monotonicallyIncreasingTime();
 159   virtual double systemTraceTime();
 160   virtual void cryptographicallyRandomValues(
 161       unsigned char* buffer, size_t length);
 162   virtual blink::WebGestureCurve* createFlingAnimationCurve(
 163       blink::WebGestureDevice device_source,
 164       const blink::WebFloatPoint& velocity,
 165       const blink::WebSize& cumulative_scroll);
 166   virtual void didStartWorkerRunLoop();
 167   virtual void didStopWorkerRunLoop();
 168   virtual blink::WebCrypto* crypto();
 169   virtual blink::WebGeofencingProvider* geofencingProvider();
 170   virtual blink::WebNotificationManager* notificationManager();
 171   virtual blink::WebPushProvider* pushProvider();
 172   virtual blink::WebServicePortProvider* createServicePortProvider(
 173       blink::WebServicePortProviderClient*);
 174   virtual blink::WebPermissionClient* permissionClient();
 175   virtual blink::WebSyncProvider* backgroundSyncProvider();
 176
 177   virtual blink::WebString domCodeStringFromEnum(int dom_code);
 178   virtual int domEnumFromCodeString(const blink::WebString& codeString);
 179   virtual blink::WebString domKeyStringFromEnum(int dom_key);
 180   virtual int domKeyEnumFromString(const blink::WebString& key_string);
 181
 182  private:
 183   void InternalInit();
 184   void UpdateWebThreadTLS(blink::WebThread* thread);
 185
 186   bool IsMainThread() const;
 187
 188   scoped_refptr<base::SingleThreadTaskRunner> MainTaskRunnerForCurrentThread();
 189
 190   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
 191   WebThemeEngineImpl native_theme_engine_;
 192   WebFallbackThemeEngineImpl fallback_theme_engine_;
 193   base::ThreadLocalStorage::Slot current_thread_slot_;
 194   webcrypto::WebCryptoImpl web_crypto_;
 195   scoped_ptr<WebGeofencingProviderImpl> geofencing_provider_;
 196   base::ScopedPtrHashMap<blink::WebMemoryDumpProvider*,
 197                          scoped_ptr<WebMemoryDumpProviderAdapter>>
 198       memory_dump_providers_;
 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   scoped_ptr<BackgroundSyncProvider> sync_provider_;
 205 };
 206
 207 }  // namespace content
 208
 209 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_