chromecast/renderer/media/media_channel_proxy.cc

   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 #include "chromecast/renderer/media/media_channel_proxy.h"
   6
   7 #include "base/logging.h"
   8 #include "chromecast/common/media/cma_messages.h"
   9
  10 namespace chromecast {
  11 namespace media {
  12
  13 MediaChannelProxy::MediaChannelProxy()
  14     : is_open_(false),
  15       id_(0) {
  16   filter_ = CmaMessageFilterProxy::Get();
  17   DCHECK(filter_.get());
  18 }
  19
  20 MediaChannelProxy::~MediaChannelProxy() {
  21 }
  22
  23 void MediaChannelProxy::Open(LoadType load_type) {
  24   CHECK(!is_open_);
  25   // Renderer side.
  26   id_ = filter_->CreateChannel();
  27   is_open_ = true;
  28
  29   // Browser side.
  30   bool success = Send(
  31       scoped_ptr<IPC::Message>(new CmaHostMsg_CreateMedia(id_, load_type)));
  32   if (!success) {
  33     is_open_ = false;
  34     id_ = 0;
  35   }
  36 }
  37
  38 void MediaChannelProxy::Close() {
  39   if (!is_open_)
  40     return;
  41
  42   // Browser side.
  43   Send(scoped_ptr<IPC::Message>(new CmaHostMsg_DestroyMedia(id_)));
  44
  45   // Renderer side.
  46   is_open_ = false;
  47   filter_->DestroyChannel(id_);
  48   id_ = 0;
  49 }
  50
  51 bool MediaChannelProxy::SetMediaDelegate(
  52     const CmaMessageFilterProxy::MediaDelegate& media_delegate) {
  53   if (!is_open_)
  54     return false;
  55   return filter_->SetMediaDelegate(id_, media_delegate);
  56 }
  57
  58 bool MediaChannelProxy::SetAudioDelegate(
  59     const CmaMessageFilterProxy::AudioDelegate& audio_delegate) {
  60   if (!is_open_)
  61     return false;
  62   return filter_->SetAudioDelegate(id_, audio_delegate);
  63 }
  64
  65 bool MediaChannelProxy::SetVideoDelegate(
  66     const CmaMessageFilterProxy::VideoDelegate& video_delegate) {
  67   if (!is_open_)
  68     return false;
  69   return filter_->SetVideoDelegate(id_, video_delegate);
  70 }
  71
  72 bool MediaChannelProxy::Send(scoped_ptr<IPC::Message> message) {
  73   if (!is_open_)
  74     return false;
  75   return filter_->Send(message.Pass());
  76 }
  77
  78 }  // namespace media
  79 }  // namespace chromecast