gecko/dom/fmradio/ipc/FMRadioChild.h

96 lines
2.9 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=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_fmradiochild_h__
#define mozilla_dom_fmradiochild_h__
#include "FMRadioCommon.h"
#include "FMRadioService.h"
#include "mozilla/dom/PFMRadioChild.h"
#include "mozilla/StaticPtr.h"
BEGIN_FMRADIO_NAMESPACE
/**
* FMRadioChild plays two roles:
* - Kind of proxy of FMRadioService
* Redirect all the requests coming from web content to FMRadioService
* in parent through IPC channel.
* - Child Actor of PFMRadio
* IPC channel to transfer the requests.
*/
class FMRadioChild MOZ_FINAL : public IFMRadioService
, public PFMRadioChild
{
public:
static FMRadioChild* Singleton();
~FMRadioChild();
void SendRequest(FMRadioReplyRunnable* aReplyRunnable,
FMRadioRequestArgs aArgs);
/* IFMRadioService */
virtual bool IsEnabled() const MOZ_OVERRIDE;
virtual double GetFrequency() const MOZ_OVERRIDE;
virtual double GetFrequencyUpperBound() const MOZ_OVERRIDE;
virtual double GetFrequencyLowerBound() const MOZ_OVERRIDE;
virtual double GetChannelWidth() const MOZ_OVERRIDE;
virtual void Enable(double aFrequency,
FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
virtual void Disable(FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
virtual void SetFrequency(double frequency,
FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
virtual void Seek(mozilla::hal::FMRadioSeekDirection aDirection,
FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
virtual void CancelSeek(FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
virtual void AddObserver(FMRadioEventObserver* aObserver) MOZ_OVERRIDE;
virtual void RemoveObserver(FMRadioEventObserver* aObserver) MOZ_OVERRIDE;
virtual void EnableAudio(bool aAudioEnabled) MOZ_OVERRIDE;
/* PFMRadioChild */
virtual bool
Recv__delete__() MOZ_OVERRIDE;
virtual bool
RecvNotifyFrequencyChanged(const double& aFrequency) MOZ_OVERRIDE;
virtual bool
RecvNotifyEnabledChanged(const bool& aEnabled,
const double& aFrequency) MOZ_OVERRIDE;
virtual PFMRadioRequestChild*
AllocPFMRadioRequestChild(const FMRadioRequestArgs& aArgs) MOZ_OVERRIDE;
virtual bool
DeallocPFMRadioRequestChild(PFMRadioRequestChild* aActor) MOZ_OVERRIDE;
private:
FMRadioChild();
void Init();
inline void NotifyFMRadioEvent(FMRadioEventType aType);
bool mEnabled;
double mFrequency;
double mUpperBound;
double mLowerBound;
double mChannelWidth;
FMRadioEventObserverList mObserverList;
private:
static StaticAutoPtr<FMRadioChild> sFMRadioChild;
};
END_FMRADIO_NAMESPACE
#endif // mozilla_dom_fmradiochild_h__