| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/renderer/media/cast_ipc_dispatcher.h" |
| |
| #include "base/single_thread_task_runner.h" |
| #include "chrome/common/cast_messages.h" |
| #include "chrome/renderer/media/cast_transport_sender_ipc.h" |
| #include "ipc/ipc_message_macros.h" |
| |
| CastIPCDispatcher* CastIPCDispatcher::global_instance_ = NULL; |
| |
| CastIPCDispatcher::CastIPCDispatcher( |
| const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner) |
| : sender_(NULL), |
| io_task_runner_(io_task_runner) { |
| DCHECK(io_task_runner_.get()); |
| DCHECK(!global_instance_); |
| } |
| |
| CastIPCDispatcher::~CastIPCDispatcher() { |
| DCHECK(io_task_runner_->BelongsToCurrentThread()); |
| DCHECK(!global_instance_); |
| } |
| |
| CastIPCDispatcher* CastIPCDispatcher::Get() { |
| return global_instance_; |
| } |
| |
| void CastIPCDispatcher::Send(IPC::Message* message) { |
| DCHECK(io_task_runner_->BelongsToCurrentThread()); |
| if (sender_) { |
| sender_->Send(message); |
| } else { |
| delete message; |
| } |
| } |
| |
| int32 CastIPCDispatcher::AddSender(CastTransportSenderIPC* sender) { |
| return id_map_.Add(sender); |
| } |
| |
| void CastIPCDispatcher::RemoveSender(int32 channel_id) { |
| return id_map_.Remove(channel_id); |
| } |
| |
| bool CastIPCDispatcher::OnMessageReceived(const IPC::Message& message) { |
| DCHECK(io_task_runner_->BelongsToCurrentThread()); |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(CastIPCDispatcher, message) |
| IPC_MESSAGE_HANDLER(CastMsg_NotifyStatusChange, OnNotifyStatusChange) |
| IPC_MESSAGE_HANDLER(CastMsg_RawEvents, OnRawEvents) |
| IPC_MESSAGE_HANDLER(CastMsg_Rtt, OnRtt) |
| IPC_MESSAGE_HANDLER(CastMsg_RtcpCastMessage, OnRtcpCastMessage) |
| IPC_MESSAGE_HANDLER(CastMsg_ReceivedPacket, OnReceivedPacket) |
| IPC_MESSAGE_UNHANDLED(handled = false); |
| IPC_END_MESSAGE_MAP(); |
| return handled; |
| } |
| |
| void CastIPCDispatcher::OnFilterAdded(IPC::Sender* sender) { |
| DCHECK(io_task_runner_->BelongsToCurrentThread()); |
| DCHECK(!global_instance_); |
| global_instance_ = this; |
| sender_ = sender; |
| } |
| |
| void CastIPCDispatcher::OnFilterRemoved() { |
| DCHECK(io_task_runner_->BelongsToCurrentThread()); |
| DCHECK_EQ(this, global_instance_); |
| global_instance_ = NULL; |
| sender_ = NULL; |
| } |
| |
| void CastIPCDispatcher::OnChannelClosing() { |
| DCHECK(io_task_runner_->BelongsToCurrentThread()); |
| DCHECK_EQ(this, global_instance_); |
| } |
| |
| void CastIPCDispatcher::OnNotifyStatusChange( |
| int32 channel_id, |
| media::cast::CastTransportStatus status) { |
| CastTransportSenderIPC* sender = id_map_.Lookup(channel_id); |
| if (sender) { |
| sender->OnNotifyStatusChange(status); |
| } else { |
| DVLOG(1) |
| << "CastIPCDispatcher::OnNotifystatusChange on non-existing channel."; |
| } |
| } |
| |
| void CastIPCDispatcher::OnRawEvents( |
| int32 channel_id, |
| const std::vector<media::cast::PacketEvent>& packet_events, |
| const std::vector<media::cast::FrameEvent>& frame_events) { |
| CastTransportSenderIPC* sender = id_map_.Lookup(channel_id); |
| if (sender) { |
| sender->OnRawEvents(packet_events, frame_events); |
| } else { |
| DVLOG(1) << "CastIPCDispatcher::OnRawEvents on non-existing channel."; |
| } |
| } |
| |
| void CastIPCDispatcher::OnRtt(int32 channel_id, |
| uint32 ssrc, |
| base::TimeDelta rtt) { |
| CastTransportSenderIPC* sender = id_map_.Lookup(channel_id); |
| if (sender) { |
| sender->OnRtt(ssrc, rtt); |
| } else { |
| DVLOG(1) << "CastIPCDispatcher::OnRtt on non-existing channel."; |
| } |
| } |
| |
| void CastIPCDispatcher::OnRtcpCastMessage( |
| int32 channel_id, |
| uint32 ssrc, |
| const media::cast::RtcpCastMessage& cast_message) { |
| CastTransportSenderIPC* sender = id_map_.Lookup(channel_id); |
| if (sender) { |
| sender->OnRtcpCastMessage(ssrc, cast_message); |
| } else { |
| DVLOG(1) << "CastIPCDispatcher::OnRtt on non-existing channel."; |
| } |
| } |
| |
| void CastIPCDispatcher::OnReceivedPacket( |
| int32 channel_id, |
| const media::cast::Packet& packet) { |
| CastTransportSenderIPC* sender = id_map_.Lookup(channel_id); |
| if (sender) { |
| sender->OnReceivedPacket(packet); |
| } else { |
| DVLOG(1) << "CastIPCDispatcher::OnReceievdPacket on non-existing channel."; |
| } |
| } |