| // 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 PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_ |
| #define PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "ipc/ipc_message.h" |
| #include "ppapi/proxy/dispatch_reply_message.h" |
| #include "ppapi/proxy/resource_message_params.h" |
| |
| namespace ppapi { |
| namespace proxy { |
| |
| // |PluginResourceCallback| wraps a |base::Callback| on the plugin side which |
| // will be triggered in response to a particular message type being received. |
| // |MsgClass| is the reply message type that the callback will be called with |
| // and |CallbackType| is the type of the |base::Callback| that will be called. |
| class PluginResourceCallbackBase |
| : public base::RefCounted<PluginResourceCallbackBase> { |
| public: |
| virtual void Run(const ResourceMessageReplyParams& params, |
| const IPC::Message& msg) = 0; |
| protected: |
| friend class base::RefCounted<PluginResourceCallbackBase>; |
| virtual ~PluginResourceCallbackBase() {} |
| }; |
| |
| template<typename MsgClass, typename CallbackType> |
| class PluginResourceCallback : public PluginResourceCallbackBase { |
| public: |
| explicit PluginResourceCallback(const CallbackType& callback) |
| : callback_(callback) {} |
| |
| virtual void Run( |
| const ResourceMessageReplyParams& reply_params, |
| const IPC::Message& msg) OVERRIDE { |
| DispatchResourceReplyOrDefaultParams<MsgClass>( |
| &callback_, &CallbackType::Run, reply_params, msg); |
| } |
| |
| private: |
| virtual ~PluginResourceCallback() {} |
| |
| CallbackType callback_; |
| }; |
| |
| } // namespace proxy |
| } // namespace ppapi |
| |
| #endif // PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_ |