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 file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_SpeakerManagerService_h__
michael@0: #define mozilla_dom_SpeakerManagerService_h__
michael@0: 
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsIObserver.h"
michael@0: #include "nsTArray.h"
michael@0: #include "SpeakerManager.h"
michael@0: #include "nsIAudioManager.h"
michael@0: #include "nsCheapSets.h"
michael@0: #include "nsHashKeys.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class SpeakerManagerService : public nsIObserver
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSIOBSERVER
michael@0: 
michael@0:   static SpeakerManagerService* GetSpeakerManagerService();
michael@0:   virtual void ForceSpeaker(bool aEnable, bool aVisible);
michael@0:   virtual bool GetSpeakerStatus();
michael@0:   virtual void SetAudioChannelActive(bool aIsActive);
michael@0:   // Called by child
michael@0:   void ForceSpeaker(bool enable, uint64_t aChildid);
michael@0:   // Register the SpeakerManager to service for notify the speakerforcedchange event
michael@0:   void RegisterSpeakerManager(SpeakerManager* aSpeakerManager)
michael@0:   {
michael@0:     mRegisteredSpeakerManagers.AppendElement(aSpeakerManager);
michael@0:   }
michael@0:   void UnRegisterSpeakerManager(SpeakerManager* aSpeakerManager)
michael@0:   {
michael@0:     mRegisteredSpeakerManagers.RemoveElement(aSpeakerManager);
michael@0:   }
michael@0:   /**
michael@0:    * Shutdown the singleton.
michael@0:    */
michael@0:   static void Shutdown();
michael@0: 
michael@0: protected:
michael@0:   SpeakerManagerService();
michael@0: 
michael@0:   virtual ~SpeakerManagerService();
michael@0:   // Notify to UA if device speaker status changed
michael@0:   virtual void Notify();
michael@0: 
michael@0:   void TuruOnSpeaker(bool aEnable);
michael@0: 
michael@0:   nsTArray<nsRefPtr<SpeakerManager> > mRegisteredSpeakerManagers;
michael@0:   // Set for remember all the child speaker status
michael@0:   nsCheapSet<nsUint64HashKey> mSpeakerStatusSet;
michael@0:   // The Speaker status assign by UA
michael@0:   bool mOrgSpeakerStatus;
michael@0: 
michael@0:   bool mVisible;
michael@0:   // This is needed for IPC communication between
michael@0:   // SpeakerManagerServiceChild and this class.
michael@0:   friend class ContentParent;
michael@0:   friend class ContentChild;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif