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 "ipc/message_filter.h"
  12 #include "media/cast/cast_sender.h"
  13 #include "media/cast/logging/logging_defines.h"
  14 #include "media/cast/net/cast_transport_sender.h"
  15
  16 class CastTransportSenderIPC;
  17
  18 // This dispatcher listens to incoming IPC messages and sends
  19 // the call to the correct CastTransportSenderIPC instance.
  20 class CastIPCDispatcher : public IPC::MessageFilter {
  21  public:
  22   explicit CastIPCDispatcher(
  23       const scoped_refptr<base::MessageLoopProxy>& io_message_loop);
  24
  25   static CastIPCDispatcher* Get();
  26   void Send(IPC::Message* message);
  27   int32 AddSender(CastTransportSenderIPC* sender);
  28   void RemoveSender(int32 channel_id);
  29
  30   // IPC::MessageFilter implementation
  31   bool OnMessageReceived(const IPC::Message& message) override;
  32   void OnFilterAdded(IPC::Sender* sender) override;
  33   void OnFilterRemoved() override;
  34   void OnChannelClosing() override;
  35
  36  protected:
  37   ~CastIPCDispatcher() override;
  38
  39  private:
  40   void OnNotifyStatusChange(
  41       int32 channel_id,
  42       media::cast::CastTransportStatus status);
  43   void OnRtpStatistics(
  44       int32 channel_id,
  45       bool audio,
  46       const media::cast::RtcpSenderInfo& sender_info,
  47       base::TimeTicks time_sent,
  48       uint32 rtp_timestamp);
  49   void OnRawEvents(int32 channel_id,
  50                    const std::vector<media::cast::PacketEvent>& packet_events,
  51                    const std::vector<media::cast::FrameEvent>& frame_events);
  52   void OnRtt(int32 channel_id, uint32 ssrc, base::TimeDelta rtt);
  53   void OnRtcpCastMessage(int32 channel_id,
  54                          uint32 ssrc,
  55                          const media::cast::RtcpCastMessage& cast_message);
  56   void OnReceivedPacket(int32 channel_id, const media::cast::Packet& packet);
  57
  58   static CastIPCDispatcher* global_instance_;
  59
  60   // For IPC Send(); must only be accesed on |io_message_loop_|.
  61   IPC::Sender* sender_;
  62
  63   // Message loop on which IPC calls are driven.
  64   const scoped_refptr<base::MessageLoopProxy> io_message_loop_;
  65
  66   // A map of stream ids to delegates; must only be accessed on
  67   // |io_message_loop_|.
  68   IDMap<CastTransportSenderIPC> id_map_;
  69   DISALLOW_COPY_AND_ASSIGN(CastIPCDispatcher);
  70 };
  71
  72 #endif  // CHROME_RENDERER_MEDIA_CAST_IPC_DISPATCHER_H_