media_player_event_router.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright (c) 2012 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 "chrome/browser/chromeos/extensions/media_player_event_router.h"
6
7#include "base/memory/singleton.h"
8#include "chrome/browser/profiles/profile.h"
9#include "extensions/browser/event_router.h"
10#include "extensions/browser/extension_system.h"
11
12namespace extensions {
13
14static void BroadcastEvent(Profile* profile, const std::string& event_name) {
15  if (profile && extensions::ExtensionSystem::Get(profile)->event_router()) {
16    scoped_ptr<base::ListValue> args(new base::ListValue());
17    scoped_ptr<extensions::Event> event(new extensions::Event(
18        event_name, args.Pass()));
19    extensions::ExtensionSystem::Get(profile)->event_router()->
20        BroadcastEvent(event.Pass());
21  }
22}
23
24MediaPlayerEventRouter::MediaPlayerEventRouter(Profile* profile)
25    : profile_(profile) {
26}
27
28MediaPlayerEventRouter::~MediaPlayerEventRouter() {
29}
30
31void MediaPlayerEventRouter::NotifyNextTrack() {
32  BroadcastEvent(profile_, "mediaPlayerPrivate.onNextTrack");
33}
34
35void MediaPlayerEventRouter::NotifyPrevTrack() {
36  BroadcastEvent(profile_, "mediaPlayerPrivate.onPrevTrack");
37}
38
39void MediaPlayerEventRouter::NotifyTogglePlayState() {
40  BroadcastEvent(profile_, "mediaPlayerPrivate.onTogglePlayState");
41}
42
43}  // namespace extensions
44