Introduce PPB_Flash_MessageLoop interface for Pepper Flash.

webkit/plugins/ppapi/ppb_flash_message_loop_impl.h

+// Copyright (c) 2012 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 WEBKIT_PLUGINS_PPAPI_PPB_FLASH_MESSAGE_LOOP_IMPL_H_
+#define WEBKIT_PLUGINS_PPAPI_PPB_FLASH_MESSAGE_LOOP_IMPL_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
+#include "ppapi/shared_impl/resource.h"
+#include "ppapi/thunk/ppb_flash_message_loop_api.h"
+
+namespace webkit {
+namespace ppapi {
+
+class PPB_Flash_MessageLoop_Impl
+    : public ::ppapi::Resource,
+      public ::ppapi::thunk::PPB_Flash_MessageLoop_API {
+ public:
+  virtual ~PPB_Flash_MessageLoop_Impl();
+
+  static PP_Resource Create(PP_Instance instance);
+
+  // Resource.
+  virtual ::ppapi::thunk::PPB_Flash_MessageLoop_API*
+      AsPPB_Flash_MessageLoop_API() OVERRIDE;
+
+  // PPB_Flash_MessageLoop_API implementation.
+  virtual int32_t Run() OVERRIDE;
+  virtual void Quit() OVERRIDE;
+  virtual void RunFromHostProxy(
+      const RunFromHostProxyCallback& callback) OVERRIDE;
+
+ private:
+  class State;
+
+  explicit PPB_Flash_MessageLoop_Impl(PP_Instance instance);
+
+  // If |callback| is valid, it will be called when the message loop is signaled
+  // to quit, and the result passed into it will be the same value as what this
+  // method returns.
+  // Please note that |callback| happens before this method returns.
+  int32_t InternalRun(const RunFromHostProxyCallback& callback);
+  void InternalQuit(int32_t result);
+
+  scoped_refptr<State> state_;
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_Flash_MessageLoop_Impl);
+};
+
+}  // namespace ppapi
+}  // namespace webkit
+
+#endif  // WEBKIT_PLUGINS_PPAPI_PPB_FLASH_MESSAGE_LOOP_IMPL_H_