Simplify interface for media/cast: CastTransportSenderImpl

chrome/browser/media/cast_transport_host_filter.cc

 // 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/browser/media/cast_transport_host_filter.h"
 
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/cast_messages.h"
 #include "components/net_log/chrome_net_log.h"
 #include "content/public/browser/power_save_blocker.h"
 #include "media/cast/net/cast_transport_sender.h"
 
 namespace {
 
 // How often to send raw events.
 const int kSendRawEventsIntervalSecs = 1;
 
+class TransportClient : public media::cast::CastTransportSender::Client {
+ public:
+  TransportClient(int32_t channel_id,
+                  cast::CastTransportHostFilter* cast_transport_host_filter)
+      : channel_id_(channel_id),
+        cast_transport_host_filter_(cast_transport_host_filter) {}
+
+  void OnStatusChanged(media::cast::CastTransportStatus status) final;
+  void OnLoggingEventsReceived(
+      scoped_ptr<std::vector<media::cast::FrameEvent>> frame_events,
+      scoped_ptr<std::vector<media::cast::PacketEvent>> packet_events) final;
+  void OnPacketsReceived(scoped_ptr<media::cast::Packet> packet) final;
+
+ private:
+  const int32_t channel_id_;
+  cast::CastTransportHostFilter* cast_transport_host_filter_;

[miu, 2016/01/16 02:28:42]

nit (add const): cast::CastTransportHostFilter* const
cast_transport_host_filter_;

[xjz, 2016/01/21 19:16:27]

Done.

+
+  DISALLOW_COPY_AND_ASSIGN(TransportClient);
+};
+
+void TransportClient::OnStatusChanged(media::cast::CastTransportStatus status) {
+  cast_transport_host_filter_->Send(
+      new CastMsg_NotifyStatusChange(channel_id_, status));
 }
 
+void TransportClient::OnLoggingEventsReceived(
+    scoped_ptr<std::vector<media::cast::FrameEvent>> frame_events,
+    scoped_ptr<std::vector<media::cast::PacketEvent>> packet_events) {
+  if (frame_events->empty() && packet_events->empty())
+    return;
+  cast_transport_host_filter_->Send(
+      new CastMsg_RawEvents(channel_id_, *packet_events, *frame_events));
+}
+
+void TransportClient::OnPacketsReceived(
+    scoped_ptr<media::cast::Packet> packet) {
+  cast_transport_host_filter_->Send(
+      new CastMsg_ReceivedPacket(channel_id_, *packet));
+}
+
+}  // namespace
+
 namespace cast {
 
 CastTransportHostFilter::CastTransportHostFilter()
     : BrowserMessageFilter(CastMsgStart),
       weak_factory_(this) {}
 
 CastTransportHostFilter::~CastTransportHostFilter() {}
 
 bool CastTransportHostFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
@@ skipping 11 matching lines @@
                         OnCancelSendingFrames)
     IPC_MESSAGE_HANDLER(CastHostMsg_AddValidSsrc,
                         OnAddValidSsrc)
     IPC_MESSAGE_HANDLER(CastHostMsg_SendRtcpFromRtpReceiver,
                         OnSendRtcpFromRtpReceiver)
     IPC_MESSAGE_UNHANDLED(handled = false);
   IPC_END_MESSAGE_MAP();
   return handled;
 }
 
-void CastTransportHostFilter::ReceivedPacket(
-    int32_t channel_id,
-    scoped_ptr<media::cast::Packet> packet) {
-  Send(new CastMsg_ReceivedPacket(channel_id, *packet));
-}
-
-void CastTransportHostFilter::NotifyStatusChange(
-    int32_t channel_id,
-    media::cast::CastTransportStatus status) {
-  Send(new CastMsg_NotifyStatusChange(channel_id, status));
-}
-
-void CastTransportHostFilter::SendRawEvents(
-    int32_t channel_id,
-    scoped_ptr<std::vector<media::cast::FrameEvent>> frame_events,
-    scoped_ptr<std::vector<media::cast::PacketEvent>> packet_events) {
-  if (frame_events->empty() && packet_events->empty())
-    return;
-  Send(new CastMsg_RawEvents(channel_id, *packet_events, *frame_events));
-}
-
 void CastTransportHostFilter::SendRtt(int32_t channel_id,
                                       uint32_t ssrc,
                                       base::TimeDelta rtt) {
   Send(new CastMsg_Rtt(channel_id, ssrc, rtt));
 }
 
 void CastTransportHostFilter::SendCastMessage(
     int32_t channel_id,
     uint32_t ssrc,
     const media::cast::RtcpCastMessage& cast_message) {
@@ skipping 10 matching lines @@
     power_save_blocker_ = content::PowerSaveBlocker::Create(
         content::PowerSaveBlocker::kPowerSaveBlockPreventAppSuspension,
         content::PowerSaveBlocker::kReasonOther,
         "Cast is streaming content to a remote receiver");
   }
 
   if (id_map_.Lookup(channel_id)) {
     id_map_.Remove(channel_id);
   }
 
+  media::cast::CastTransportSender::UdpTransportParams udp_transport_params(
+      g_browser_process->net_log(), local_end_point, remote_end_point);
   scoped_ptr<media::cast::CastTransportSender> sender =
       media::cast::CastTransportSender::Create(
-          g_browser_process->net_log(),
-          &clock_,
-          local_end_point,
-          remote_end_point,
+          &clock_, udp_transport_params,
+          base::TimeDelta::FromSeconds(kSendRawEventsIntervalSecs),
           make_scoped_ptr(options.DeepCopy()),
-          base::Bind(&CastTransportHostFilter::NotifyStatusChange,
-                     weak_factory_.GetWeakPtr(),
-                     channel_id),
-          base::Bind(&CastTransportHostFilter::SendRawEvents,
-                     weak_factory_.GetWeakPtr(),
-                     channel_id),
-          base::TimeDelta::FromSeconds(kSendRawEventsIntervalSecs),
-          base::Bind(&CastTransportHostFilter::ReceivedPacket,
-                     weak_factory_.GetWeakPtr(),
-                     channel_id),
+          make_scoped_ptr(new TransportClient(channel_id, this)),
           base::ThreadTaskRunnerHandle::Get());
   id_map_.AddWithID(sender.release(), channel_id);
 }
 
 void CastTransportHostFilter::OnDelete(int32_t channel_id) {
   media::cast::CastTransportSender* sender = id_map_.Lookup(channel_id);
   if (sender) {
     id_map_.Remove(channel_id);
   } else {
     DVLOG(1) << "CastTransportHostFilter::Delete called "
@@ skipping 129 matching lines @@
                                     params.rtp_receiver_statistics.get());
   } else {
     DVLOG(1)
         << "CastTransportHostFilter::OnSendRtcpFromRtpReceiver "
         << "on non-existing channel";
   }
 }
 
 
 }  // namespace cast