mojo/services/html_viewer/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 MOJO_SERVICES_HTML_VIEWER_BLINK_PLATFORM_IMPL_H_
   6 #define MOJO_SERVICES_HTML_VIEWER_BLINK_PLATFORM_IMPL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "base/threading/thread_local_storage.h"
  11 #include "base/timer/timer.h"
  12 #include "cc/blink/web_compositor_support_impl.h"
  13 #include "mojo/services/html_viewer/webmimeregistry_impl.h"
  14 #include "mojo/services/html_viewer/webthemeengine_impl.h"
  15 #include "third_party/WebKit/public/platform/Platform.h"
  16 #include "third_party/WebKit/public/platform/WebScrollbarBehavior.h"
  17
  18 namespace mojo {
  19
  20 class BlinkPlatformImpl : public blink::Platform {
  21  public:
  22   explicit BlinkPlatformImpl();
  23   virtual ~BlinkPlatformImpl();
  24
  25   // blink::Platform methods:
  26   virtual blink::WebMimeRegistry* mimeRegistry();
  27   virtual blink::WebThemeEngine* themeEngine();
  28   virtual blink::WebString defaultLocale();
  29   virtual double currentTime();
  30   virtual double monotonicallyIncreasingTime();
  31   virtual void cryptographicallyRandomValues(
  32       unsigned char* buffer, size_t length);
  33   virtual void setSharedTimerFiredFunction(void (*func)());
  34   virtual void setSharedTimerFireInterval(double interval_seconds);
  35   virtual void stopSharedTimer();
  36   virtual void callOnMainThread(void (*func)(void*), void* context);
  37   virtual bool isThreadedCompositingEnabled();
  38   virtual blink::WebCompositorSupport* compositorSupport();
  39   virtual blink::WebURLLoader* createURLLoader();
  40   virtual blink::WebSocketHandle* createWebSocketHandle();
  41   virtual blink::WebString userAgent();
  42   virtual blink::WebData parseDataURL(
  43       const blink::WebURL& url, blink::WebString& mime_type,
  44       blink::WebString& charset);
  45   virtual blink::WebURLError cancelledError(const blink::WebURL& url) const;
  46   virtual blink::WebThread* createThread(const char* name);
  47   virtual blink::WebThread* currentThread();
  48   virtual void yieldCurrentThread();
  49   virtual blink::WebWaitableEvent* createWaitableEvent();
  50   virtual blink::WebWaitableEvent* waitMultipleEvents(
  51       const blink::WebVector<blink::WebWaitableEvent*>& events);
  52   virtual blink::WebScrollbarBehavior* scrollbarBehavior();
  53   virtual const unsigned char* getTraceCategoryEnabledFlag(
  54       const char* category_name);
  55
  56  private:
  57   void SuspendSharedTimer();
  58   void ResumeSharedTimer();
  59
  60   void DoTimeout() {
  61     if (shared_timer_func_ && !shared_timer_suspended_)
  62       shared_timer_func_();
  63   }
  64
  65   static void DestroyCurrentThread(void*);
  66
  67   base::MessageLoop* main_loop_;
  68   base::OneShotTimer<BlinkPlatformImpl> shared_timer_;
  69   void (*shared_timer_func_)();
  70   double shared_timer_fire_time_;
  71   bool shared_timer_fire_time_was_set_while_suspended_;
  72   int shared_timer_suspended_;  // counter
  73   base::ThreadLocalStorage::Slot current_thread_slot_;
  74   cc_blink::WebCompositorSupportImpl compositor_support_;
  75   WebThemeEngineImpl theme_engine_;
  76   WebMimeRegistryImpl mime_registry_;
  77   blink::WebScrollbarBehavior scrollbar_behavior_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(BlinkPlatformImpl);
  80 };
  81
  82 }  // namespace mojo
  83
  84 #endif  // MOJO_SERVICES_HTML_VIEWER_BLINK_PLATFORM_IMPL_H_