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