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57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_audio_channel_agent_h__
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#define mozilla_dom_audio_channel_agent_h__
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#include "nsIAudioChannelAgent.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsCOMPtr.h"
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#include "nsWeakPtr.h"
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#define NS_AUDIOCHANNELAGENT_CONTRACTID "@mozilla.org/audiochannelagent;1"
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// f27688e2-3dd7-11e2-904e-10bf48d64bd4
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#define NS_AUDIOCHANNELAGENT_CID {0xf27688e2, 0x3dd7, 0x11e2, \
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{0x90, 0x4e, 0x10, 0xbf, 0x48, 0xd6, 0x4b, 0xd4}}
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namespace mozilla {
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namespace dom {
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/* Header file */
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class AudioChannelAgent : public nsIAudioChannelAgent
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_NSIAUDIOCHANNELAGENT
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NS_DECL_CYCLE_COLLECTION_CLASS(AudioChannelAgent)
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AudioChannelAgent();
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virtual void NotifyAudioChannelStateChanged();
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private:
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virtual ~AudioChannelAgent();
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// Returns mCallback if that's non-null, or otherwise tries to get an
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// nsIAudioChannelAgentCallback out of mWeakCallback.
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already_AddRefed<nsIAudioChannelAgentCallback> GetCallback();
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nsresult InitInternal(int32_t aAudioAgentType,
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nsIAudioChannelAgentCallback* aCallback,
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bool aUseWeakRef);
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nsCOMPtr<nsIAudioChannelAgentCallback> mCallback;
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nsWeakPtr mWeakCallback;
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int32_t mAudioChannelType;
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bool mIsRegToService;
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bool mVisible;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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