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 "content/public/browser/browser_context.h"
9#include "extensions/browser/event_router.h"
10#include "extensions/browser/extension_system.h"
11
12namespace extensions {
13
14static void BroadcastEvent(content::BrowserContext* context,
15                           const std::string& event_name) {
16  if (context && EventRouter::Get(context)) {
17    scoped_ptr<base::ListValue> args(new base::ListValue());
18    scoped_ptr<extensions::Event> event(new extensions::Event(
19        event_name, args.Pass()));
20    EventRouter::Get(context)->BroadcastEvent(event.Pass());
21  }
22}
23
24MediaPlayerEventRouter::MediaPlayerEventRouter(content::BrowserContext* context)
25    : browser_context_(context) {}
26
27MediaPlayerEventRouter::~MediaPlayerEventRouter() {
28}
29
30void MediaPlayerEventRouter::NotifyNextTrack() {
31  BroadcastEvent(browser_context_, "mediaPlayerPrivate.onNextTrack");
32}
33
34void MediaPlayerEventRouter::NotifyPrevTrack() {
35  BroadcastEvent(browser_context_, "mediaPlayerPrivate.onPrevTrack");
36}
37
38void MediaPlayerEventRouter::NotifyTogglePlayState() {
39  BroadcastEvent(browser_context_, "mediaPlayerPrivate.onTogglePlayState");
40}
41
42}  // namespace extensions
43