dom/audiochannel/AudioChannelAgent.h
author Mike Hommey <mh+mozilla@glandium.org>
Fri, 06 Sep 2013 10:09:52 +0900
changeset 145789 e197b9e71614f2af7805ecb1bb13d6ba6b56d1bf
parent 129618 34d00e20ff2da3d871f9c380f77fb9389521831d
child 148072 bb4af3cda509cd7ae210f6ab290b23186f030ed0
permissions -rw-r--r--
Fixup for bug 912832 busting static analysis builds. r=me

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_audio_channel_agent_h__
#define mozilla_dom_audio_channel_agent_h__

#include "nsIAudioChannelAgent.h"
#include "nsCycleCollectionParticipant.h"
#include "nsCOMPtr.h"
#include "nsWeakPtr.h"

#define NS_AUDIOCHANNELAGENT_CONTRACTID "@mozilla.org/audiochannelagent;1"
// f27688e2-3dd7-11e2-904e-10bf48d64bd4
#define NS_AUDIOCHANNELAGENT_CID {0xf27688e2, 0x3dd7, 0x11e2, \
      {0x90, 0x4e, 0x10, 0xbf, 0x48, 0xd6, 0x4b, 0xd4}}

namespace mozilla {
namespace dom {

/* Header file */
class AudioChannelAgent : public nsIAudioChannelAgent
{
public:
  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_NSIAUDIOCHANNELAGENT

  NS_DECL_CYCLE_COLLECTION_CLASS(AudioChannelAgent)

  AudioChannelAgent();
  virtual void NotifyAudioChannelStateChanged();

private:
  virtual ~AudioChannelAgent();

  // Returns mCallback if that's non-null, or otherwise tries to get an
  // nsIAudioChannelAgentCallback out of mWeakCallback.
  already_AddRefed<nsIAudioChannelAgentCallback> GetCallback();

  nsresult InitInternal(int32_t aAudioAgentType,
                        nsIAudioChannelAgentCallback* aCallback,
                        bool aUseWeakRef);

  nsCOMPtr<nsIAudioChannelAgentCallback> mCallback;
  nsWeakPtr mWeakCallback;
  int32_t mAudioChannelType;
  bool mIsRegToService;
  bool mVisible;
};

} // namespace dom
} // namespace mozilla
#endif