Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / ppapi / proxy / plugin_resource_callback.h
1 // Copyright (c) 2012 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 PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_
6 #define PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_
7
8 #include "base/memory/ref_counted.h"
9 #include "ipc/ipc_message.h"
10 #include "ppapi/proxy/dispatch_reply_message.h"
11 #include "ppapi/proxy/resource_message_params.h"
12
13 namespace ppapi {
14 namespace proxy {
15
16 // |PluginResourceCallback| wraps a |base::Callback| on the plugin side which
17 // will be triggered in response to a particular message type being received.
18 // |MsgClass| is the reply message type that the callback will be called with
19 // and |CallbackType| is the type of the |base::Callback| that will be called.
20 class PluginResourceCallbackBase
21     : public base::RefCounted<PluginResourceCallbackBase> {
22  public:
23   virtual void Run(const ResourceMessageReplyParams& params,
24                    const IPC::Message& msg) = 0;
25  protected:
26   friend class base::RefCounted<PluginResourceCallbackBase>;
27   virtual ~PluginResourceCallbackBase() {}
28 };
29
30 template<typename MsgClass, typename CallbackType>
31 class PluginResourceCallback : public PluginResourceCallbackBase {
32  public:
33   explicit PluginResourceCallback(const CallbackType& callback)
34       : callback_(callback) {}
35
36   virtual void Run(
37       const ResourceMessageReplyParams& reply_params,
38       const IPC::Message& msg) override {
39     DispatchResourceReplyOrDefaultParams<MsgClass>(
40         &callback_, &CallbackType::Run, reply_params, msg);
41   }
42
43  private:
44   virtual ~PluginResourceCallback() {}
45
46   CallbackType callback_;
47 };
48
49 }  // namespace proxy
50 }  // namespace ppapi
51
52 #endif  // PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_