root/content/browser/renderer_host/media/peer_connection_tracker_host.cc

DEFINITIONS

1. render_process_id_
2. OnMessageReceived
3. OverrideThreadForMessage
4. OnAddPeerConnection
5. OnRemovePeerConnection
6. OnUpdatePeerConnection
7. OnAddStats
8. OnGetUserMedia

// Copyright (c) 2013 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 "content/browser/renderer_host/media/peer_connection_tracker_host.h"

#include "content/browser/media/webrtc_internals.h"
#include "content/common/media/peer_connection_tracker_messages.h"

namespace content {

PeerConnectionTrackerHost::PeerConnectionTrackerHost(int render_process_id)
    : BrowserMessageFilter(PeerConnectionTrackerMsgStart),
      render_process_id_(render_process_id) {}

bool PeerConnectionTrackerHost::OnMessageReceived(const IPC::Message& message,
                                                  bool* message_was_ok) {
  bool handled = true;

  IPC_BEGIN_MESSAGE_MAP_EX(PeerConnectionTrackerHost, message, *message_was_ok)
    IPC_MESSAGE_HANDLER(PeerConnectionTrackerHost_AddPeerConnection,
                        OnAddPeerConnection)
    IPC_MESSAGE_HANDLER(PeerConnectionTrackerHost_RemovePeerConnection,
                        OnRemovePeerConnection)
    IPC_MESSAGE_HANDLER(PeerConnectionTrackerHost_UpdatePeerConnection,
                        OnUpdatePeerConnection)
    IPC_MESSAGE_HANDLER(PeerConnectionTrackerHost_AddStats, OnAddStats)
    IPC_MESSAGE_HANDLER(PeerConnectionTrackerHost_GetUserMedia, OnGetUserMedia)
    IPC_MESSAGE_UNHANDLED(handled = false)
  IPC_END_MESSAGE_MAP_EX()
  return handled;
}

void PeerConnectionTrackerHost::OverrideThreadForMessage(
    const IPC::Message& message, BrowserThread::ID* thread) {
  if (IPC_MESSAGE_CLASS(message) == PeerConnectionTrackerMsgStart)
    *thread = BrowserThread::UI;
}

PeerConnectionTrackerHost::~PeerConnectionTrackerHost() {
}

void PeerConnectionTrackerHost::OnAddPeerConnection(
    const PeerConnectionInfo& info) {
  WebRTCInternals::GetInstance()->OnAddPeerConnection(
      render_process_id_,
      peer_pid(),
      info.lid,
      info.url,
      info.servers,
      info.constraints);
}

void PeerConnectionTrackerHost::OnRemovePeerConnection(int lid) {
  WebRTCInternals::GetInstance()->OnRemovePeerConnection(peer_pid(), lid);
}

void PeerConnectionTrackerHost::OnUpdatePeerConnection(
    int lid, const std::string& type, const std::string& value) {
  WebRTCInternals::GetInstance()->OnUpdatePeerConnection(
      peer_pid(),
      lid,
      type,
      value);
}

void PeerConnectionTrackerHost::OnAddStats(int lid,
                                           const base::ListValue& value) {
  WebRTCInternals::GetInstance()->OnAddStats(peer_pid(), lid, value);
}

void PeerConnectionTrackerHost::OnGetUserMedia(
    const std::string& origin,
    bool audio,
    bool video,
    const std::string& audio_constraints,
    const std::string& video_constraints) {
  WebRTCInternals::GetInstance()->OnGetUserMedia(render_process_id_,
                                                 peer_pid(),
                                                 origin,
                                                 audio,
                                                 video,
                                                 audio_constraints,
                                                 video_constraints);
}

}  // namespace content