gecko-dev/dom/speakermanager/SpeakerManager.h
2015-05-03 15:32:37 -04:00

67 lines
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_SpeakerManager_h
#define mozilla_dom_SpeakerManager_h
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/MozSpeakerManagerBinding.h"
namespace mozilla {
namespace dom {
/* This class is used for UA to control devices's speaker status.
* After UA set the speaker status, the UA should handle the
* forcespeakerchange event and change the speaker status in UI.
* The device's speaker status would set back to normal when UA close the application.
*/
class SpeakerManager final
: public DOMEventTargetHelper
, public nsIDOMEventListener
{
friend class SpeakerManagerService;
friend class SpeakerManagerServiceChild;
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIDOMEVENTLISTENER
public:
void Init(nsPIDOMWindow* aWindow);
nsPIDOMWindow* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
/**
* WebIDL Interface
*/
// Get this api's force speaker setting.
bool Forcespeaker();
// Force acoustic sound go through speaker. Don't force to speaker if application
// stay in the background and re-force when application
// go to foreground
void SetForcespeaker(bool aEnable);
// Get the device's speaker forced setting.
bool Speakerforced();
void SetAudioChannelActive(bool aIsActive);
IMPL_EVENT_HANDLER(speakerforcedchange)
static already_AddRefed<SpeakerManager>
Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
protected:
SpeakerManager();
~SpeakerManager();
void DispatchSimpleEvent(const nsAString& aStr);
// This api's force speaker setting
bool mForcespeaker;
bool mVisible;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_SpeakerManager_h