Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / ppapi / proxy / media_stream_track_resource_base.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 PPAPI_PROXY_MEDIA_STREAM_TRACK_RESOURCE_BASE_H_
6 #define PPAPI_PROXY_MEDIA_STREAM_TRACK_RESOURCE_BASE_H_
7
8 #include "ppapi/proxy/plugin_resource.h"
9 #include "ppapi/proxy/ppapi_proxy_export.h"
10 #include "ppapi/shared_impl/media_stream_buffer_manager.h"
11
12 namespace ppapi {
13 namespace proxy {
14
15 class PPAPI_PROXY_EXPORT MediaStreamTrackResourceBase
16   : public PluginResource,
17     public MediaStreamBufferManager::Delegate {
18  protected:
19   MediaStreamTrackResourceBase(Connection connection,
20                                PP_Instance instance,
21                                int pending_renderer_id,
22                                const std::string& id);
23
24   MediaStreamTrackResourceBase(Connection connection, PP_Instance instance);
25
26   virtual ~MediaStreamTrackResourceBase();
27
28   std::string id() const { return id_; }
29
30   void set_id(const std::string& id) { id_ = id; }
31
32   bool has_ended() const { return has_ended_; }
33
34   MediaStreamBufferManager* buffer_manager() { return &buffer_manager_; }
35
36   void CloseInternal();
37
38   // Sends a buffer index to the corresponding PepperMediaStreamTrackHostBase
39   // via an IPC message. The host adds the buffer index into its
40   // |buffer_manager_| for reading or writing.
41   // Also see |MediaStreamBufferManager|.
42   void SendEnqueueBufferMessageToHost(int32_t index);
43
44   // PluginResource overrides:
45   virtual void OnReplyReceived(const ResourceMessageReplyParams& params,
46                                const IPC::Message& msg) override;
47
48  private:
49   // Message handlers:
50   void OnPluginMsgInitBuffers(const ResourceMessageReplyParams& params,
51                               int32_t number_of_buffers,
52                               int32_t buffer_size,
53                               bool readonly);
54   void OnPluginMsgEnqueueBuffer(const ResourceMessageReplyParams& params,
55                                 int32_t index);
56   void OnPluginMsgEnqueueBuffers(const ResourceMessageReplyParams& params,
57                                  const std::vector<int32_t>& indices);
58
59   MediaStreamBufferManager buffer_manager_;
60
61   std::string id_;
62
63   bool has_ended_;
64
65   DISALLOW_COPY_AND_ASSIGN(MediaStreamTrackResourceBase);
66 };
67
68 }  // namespace proxy
69 }  // namespace ppapi
70
71 #endif  // PPAPI_PROXY_MEDIA_STREAM_TRACK_RESOURCE_BASE_H_