chrome/browser/chromeos/extensions/media_player_event_router.cc

   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
  12 namespace extensions {
  13
  14 static 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
  24 MediaPlayerEventRouter::MediaPlayerEventRouter(content::BrowserContext* context)
  25     : browser_context_(context) {}
  26
  27 MediaPlayerEventRouter::~MediaPlayerEventRouter() {
  28 }
  29
  30 void MediaPlayerEventRouter::NotifyNextTrack() {
  31   BroadcastEvent(browser_context_, "mediaPlayerPrivate.onNextTrack");
  32 }
  33
  34 void MediaPlayerEventRouter::NotifyPrevTrack() {
  35   BroadcastEvent(browser_context_, "mediaPlayerPrivate.onPrevTrack");
  36 }
  37
  38 void MediaPlayerEventRouter::NotifyTogglePlayState() {
  39   BroadcastEvent(browser_context_, "mediaPlayerPrivate.onTogglePlayState");
  40 }
  41
  42 }  // namespace extensions