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_SpeakerManager_h
michael@0: #define mozilla_dom_SpeakerManager_h
michael@0: 
michael@0: #include "mozilla/DOMEventTargetHelper.h"
michael@0: #include "mozilla/dom/MozSpeakerManagerBinding.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: /* This class is used for UA to control devices's speaker status.
michael@0:  * After UA set the speaker status, the UA should handle the
michael@0:  * forcespeakerchange event and change the speaker status in UI.
michael@0:  * The device's speaker status would set back to normal when UA close the application.
michael@0:  */
michael@0: class SpeakerManager MOZ_FINAL
michael@0:   : public DOMEventTargetHelper
michael@0:   , public nsIDOMEventListener
michael@0: {
michael@0:   friend class SpeakerManagerService;
michael@0:   friend class SpeakerManagerServiceChild;
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_NSIDOMEVENTLISTENER
michael@0: 
michael@0: public:
michael@0:   void Init(nsPIDOMWindow* aWindow);
michael@0: 
michael@0:   nsPIDOMWindow* GetParentObject() const;
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0:   /**
michael@0:    * WebIDL Interface
michael@0:    */
michael@0:   // Get this api's force speaker setting.
michael@0:   bool Forcespeaker();
michael@0:   // Force acoustic sound go through speaker. Don't force to speaker if application
michael@0:   // stay in the background and re-force when application
michael@0:   // go to foreground
michael@0:   void SetForcespeaker(bool aEnable);
michael@0:   // Get the device's speaker forced setting.
michael@0:   bool Speakerforced();
michael@0: 
michael@0:   void SetAudioChannelActive(bool aIsActive);
michael@0:   IMPL_EVENT_HANDLER(speakerforcedchange)
michael@0: 
michael@0:   static already_AddRefed<SpeakerManager>
michael@0:   Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
michael@0: 
michael@0: protected:
michael@0:   SpeakerManager();
michael@0:   ~SpeakerManager();
michael@0:   void DispatchSimpleEvent(const nsAString& aStr);
michael@0:   // This api's force speaker setting
michael@0:   bool mForcespeaker;
michael@0:   bool mVisible;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // mozilla_dom_SpeakerManager_h