Mojo: HTML Viewer based on Blink.

mojo/examples/html_viewer/blink_platform_impl.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_EXAMPLE_HTML_VIEWER_BLINK_PLATFORM_IMPL_H_
+#define MOJO_EXAMPLE_HTML_VIEWER_BLINK_PLATFORM_IMPL_H_
+
+#include "base/message_loop/message_loop.h"
+#include "base/threading/thread_local_storage.h"
+#include "base/timer/timer.h"
+#include "mojo/examples/html_viewer/webmimeregistry_impl.h"
+#include "mojo/services/public/interfaces/network/network_service.mojom.h"
+#include "third_party/WebKit/public/platform/Platform.h"
+#include "third_party/WebKit/public/platform/WebThemeEngine.h"
+
+namespace mojo {
+class Application;
+
+namespace examples {
+
+class BlinkPlatformImpl : public blink::Platform {
+ public:
+  explicit BlinkPlatformImpl(Application* app);
+  virtual ~BlinkPlatformImpl();
+
+  // blink::Platform methods:
+  virtual blink::WebMimeRegistry* mimeRegistry();
+  virtual blink::WebThemeEngine* themeEngine();
+  virtual blink::WebString defaultLocale();
+  virtual double currentTime();
+  virtual double monotonicallyIncreasingTime();
+  virtual void cryptographicallyRandomValues(
+      unsigned char* buffer, size_t length);
+  virtual void setSharedTimerFiredFunction(void (*func)());
+  virtual void setSharedTimerFireInterval(double interval_seconds);
+  virtual void stopSharedTimer();
+  virtual void callOnMainThread(void (*func)(void*), void* context);
+  virtual blink::WebURLLoader* createURLLoader();
+  virtual blink::WebString userAgent();
+  virtual blink::WebData parseDataURL(
+      const blink::WebURL& url, blink::WebString& mime_type,
+      blink::WebString& charset);
+  virtual blink::WebURLError cancelledError(const blink::WebURL& url) const;
+  virtual blink::WebThread* createThread(const char* name);
+  virtual blink::WebThread* currentThread();
+  virtual blink::WebWaitableEvent* createWaitableEvent();
+  virtual blink::WebWaitableEvent* waitMultipleEvents(
+      const blink::WebVector<blink::WebWaitableEvent*>& events);
+  virtual const unsigned char* getTraceCategoryEnabledFlag(
+      const char* category_name);
+
+ private:
+  void SuspendSharedTimer();
+  void ResumeSharedTimer();
+
+  void DoTimeout() {
+    if (shared_timer_func_ && !shared_timer_suspended_)
+      shared_timer_func_();
+  }
+
+  static void DestroyCurrentThread(void*);
+
+  NetworkServicePtr network_service_;
+  base::MessageLoop* main_loop_;
+  base::OneShotTimer<BlinkPlatformImpl> shared_timer_;
+  void (*shared_timer_func_)();
+  double shared_timer_fire_time_;
+  bool shared_timer_fire_time_was_set_while_suspended_;
+  int shared_timer_suspended_;  // counter
+  base::ThreadLocalStorage::Slot current_thread_slot_;
+  blink::WebThemeEngine dummy_theme_engine_;
+  WebMimeRegistryImpl mime_registry_;
+};
+
+}  // namespace examples
+}  // namespace mojo
+
+#endif  // MOJO_EXAMPLE_HTML_VIEWER_BLINK_PLATFORM_IMPL_H_