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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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}}
class nsPIDOMWindowInner;
class nsPIDOMWindowOuter;
namespace mozilla {
namespace dom {
class AudioPlaybackConfig;
/* Header file */
class AudioChannelAgent : public nsIAudioChannelAgent
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIAUDIOCHANNELAGENT
NS_DECL_CYCLE_COLLECTION_CLASS(AudioChannelAgent)
AudioChannelAgent();
void WindowVolumeChanged();
void WindowSuspendChanged(nsSuspendedTypes aSuspend);
void WindowAudioCaptureChanged(uint64_t aInnerWindowID, bool aCapture);
nsPIDOMWindowOuter* Window() const
{
return mWindow;
}
uint64_t WindowID() const;
uint64_t InnerWindowID() const;
bool IsPlayingStarted() const;
bool ShouldBlockMedia() const;
private:
virtual ~AudioChannelAgent();
AudioPlaybackConfig GetMediaConfig();
bool IsDisposableSuspend(nsSuspendedTypes aSuspend) const;
// Returns mCallback if that's non-null, or otherwise tries to get an
// nsIAudioChannelAgentCallback out of mWeakCallback.
already_AddRefed<nsIAudioChannelAgentCallback> GetCallback();
nsresult InitInternal(nsPIDOMWindowInner* aWindow, int32_t aAudioAgentType,
nsIAudioChannelAgentCallback* aCallback,
bool aUseWeakRef);
void Shutdown();
nsresult FindCorrectWindow(nsPIDOMWindowInner* aWindow);
nsCOMPtr<nsPIDOMWindowOuter> mWindow;
nsCOMPtr<nsIAudioChannelAgentCallback> mCallback;
nsWeakPtr mWeakCallback;
int32_t mAudioChannelType;
uint64_t mInnerWindowID;
bool mIsRegToService;
};
} // namespace dom
} // namespace mozilla
#endif
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