Upstream version 5.34.104.0
[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   virtual ~MediaStreamTrackResourceBase();
25
26   std::string id() const { return id_; }
27
28   bool has_ended() const { return has_ended_; }
29
30   MediaStreamBufferManager* buffer_manager() { return &buffer_manager_; }
31
32   void CloseInternal();
33
34   // Sends a buffer index to the corresponding PepperMediaStreamTrackHostBase
35   // via an IPC message. The host adds the buffer index into its
36   // |buffer_manager_| for reading or writing.
37   // Also see |MediaStreamBufferManager|.
38   void SendEnqueueBufferMessageToHost(int32_t index);
39
40   // PluginResource overrides:
41   virtual void OnReplyReceived(const ResourceMessageReplyParams& params,
42                                const IPC::Message& msg) OVERRIDE;
43
44  private:
45   // Message handlers:
46   void OnPluginMsgInitBuffers(const ResourceMessageReplyParams& params,
47                               int32_t number_of_buffers,
48                               int32_t buffer_size);
49   void OnPluginMsgEnqueueBuffer(const ResourceMessageReplyParams& params,
50                                 int32_t index);
51
52   MediaStreamBufferManager buffer_manager_;
53
54   std::string id_;
55
56   bool has_ended_;
57
58   DISALLOW_COPY_AND_ASSIGN(MediaStreamTrackResourceBase);
59 };
60
61 }  // namespace proxy
62 }  // namespace ppapi
63
64 #endif  // PPAPI_PROXY_MEDIA_STREAM_TRACK_RESOURCE_BASE_H_