gecko/dom/system/gonk/AudioChannelManager.h

60 lines
1.3 KiB
C++

/* 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_system_AudioChannelManager_h
#define mozilla_dom_system_AudioChannelManager_h
#include "mozilla/Hal.h"
#include "mozilla/HalTypes.h"
#include "nsDOMEventTargetHelper.h"
namespace mozilla {
namespace hal {
class SwitchEvent;
typedef Observer<SwitchEvent> SwitchObserver;
} // namespace hal
namespace dom {
namespace system {
class AudioChannelManager : public nsDOMEventTargetHelper
, public hal::SwitchObserver
{
public:
AudioChannelManager();
virtual ~AudioChannelManager();
void Notify(const hal::SwitchEvent& aEvent);
void Init(nsPIDOMWindow* aWindow);
/**
* WebIDL Interface
*/
nsPIDOMWindow* GetParentObject() const
{
return GetOwner();
}
virtual JSObject* WrapObject(JSContext* aCx, JSObject* aScope,
bool* aTriedToWrap);
bool Headphones() const
{
return mState == hal::SWITCH_STATE_ON;
}
IMPL_EVENT_HANDLER(headphoneschange)
private:
hal::SwitchState mState;
};
} // namespace system
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_system_AudioChannelManager_h