chrome/renderer/media/cast_ipc_dispatcher.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 CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_
   6 #define CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_
   7
   8 #include "base/callback.h"
   9 #include "base/id_map.h"
  10 #include "ipc/ipc_channel_proxy.h"
  11 #include "media/cast/cast_sender.h"
  12 #include "media/cast/transport/cast_transport_sender.h"
  13
  14 class CastTransportSenderIPC;
  15
  16 // This dispatcher listens to incoming IPC messages and sends
  17 // the call to the correct CastTransportSenderIPC instance.
  18 class CastIPCDispatcher : public IPC::ChannelProxy::MessageFilter {
  19  public:
  20   explicit CastIPCDispatcher(
  21       const scoped_refptr<base::MessageLoopProxy>& io_message_loop);
  22
  23   static CastIPCDispatcher* Get();
  24   void Send(IPC::Message* message);
  25   int32 AddSender(CastTransportSenderIPC* sender);
  26   void RemoveSender(int32 channel_id);
  27
  28   // IPC::ChannelProxy::MessageFilter implementation
  29   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  30   virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE;
  31   virtual void OnFilterRemoved() OVERRIDE;
  32   virtual void OnChannelClosing() OVERRIDE;
  33
  34  protected:
  35   virtual ~CastIPCDispatcher();
  36
  37  private:
  38   void OnReceivedPacket(int32 channel_id, const media::cast::Packet& packet);
  39   void OnNotifyStatusChange(
  40       int32 channel_id,
  41       media::cast::transport::CastTransportStatus status);
  42   void OnRtpStatistics(
  43       int32 channel_id,
  44       bool audio,
  45       const media::cast::transport::RtcpSenderInfo& sender_info,
  46       base::TimeTicks time_sent,
  47       uint32 rtp_timestamp);
  48
  49   static CastIPCDispatcher* global_instance_;
  50
  51   // IPC channel for Send(); must only be accesed on |io_message_loop_|.
  52   IPC::Channel* channel_;
  53
  54   // Message loop on which IPC calls are driven.
  55   const scoped_refptr<base::MessageLoopProxy> io_message_loop_;
  56
  57   // A map of stream ids to delegates; must only be accessed on
  58   // |io_message_loop_|.
  59   IDMap<CastTransportSenderIPC> id_map_;
  60   DISALLOW_COPY_AND_ASSIGN(CastIPCDispatcher);
  61 };
  62
  63 #endif  // CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_