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92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_fmradiochild_h__
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#define mozilla_dom_fmradiochild_h__
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#include "FMRadioCommon.h"
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#include "FMRadioService.h"
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#include "mozilla/dom/PFMRadioChild.h"
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#include "mozilla/StaticPtr.h"
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BEGIN_FMRADIO_NAMESPACE
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/**
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* FMRadioChild plays two roles:
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* - Kind of proxy of FMRadioService
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* Redirect all the requests coming from web content to FMRadioService
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* in parent through IPC channel.
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* - Child Actor of PFMRadio
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* IPC channel to transfer the requests.
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*/
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class FMRadioChild MOZ_FINAL : public IFMRadioService
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, public PFMRadioChild
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{
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public:
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static FMRadioChild* Singleton();
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~FMRadioChild();
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void SendRequest(ReplyRunnable* aReplyRunnable, FMRadioRequestArgs aArgs);
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/* IFMRadioService */
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virtual bool IsEnabled() const MOZ_OVERRIDE;
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virtual double GetFrequency() const MOZ_OVERRIDE;
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virtual double GetFrequencyUpperBound() const MOZ_OVERRIDE;
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virtual double GetFrequencyLowerBound() const MOZ_OVERRIDE;
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virtual double GetChannelWidth() const MOZ_OVERRIDE;
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virtual void Enable(double aFrequency, ReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
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virtual void Disable(ReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
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virtual void SetFrequency(double frequency,
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ReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
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virtual void Seek(mozilla::hal::FMRadioSeekDirection aDirection,
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ReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
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virtual void CancelSeek(ReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;
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virtual void AddObserver(FMRadioEventObserver* aObserver) MOZ_OVERRIDE;
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virtual void RemoveObserver(FMRadioEventObserver* aObserver) MOZ_OVERRIDE;
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/* PFMRadioChild */
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virtual bool
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Recv__delete__() MOZ_OVERRIDE;
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virtual bool
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RecvNotifyFrequencyChanged(const double& aFrequency) MOZ_OVERRIDE;
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virtual bool
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RecvNotifyEnabledChanged(const bool& aEnabled,
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const double& aFrequency) MOZ_OVERRIDE;
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virtual PFMRadioRequestChild*
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AllocPFMRadioRequestChild(const FMRadioRequestArgs& aArgs) MOZ_OVERRIDE;
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virtual bool
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DeallocPFMRadioRequestChild(PFMRadioRequestChild* aActor) MOZ_OVERRIDE;
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private:
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FMRadioChild();
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void Init();
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inline void NotifyFMRadioEvent(FMRadioEventType aType);
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bool mEnabled;
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double mFrequency;
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double mUpperBound;
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double mLowerBound;
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double mChannelWidth;
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FMRadioEventObserverList mObserverList;
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private:
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static StaticAutoPtr<FMRadioChild> sFMRadioChild;
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};
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END_FMRADIO_NAMESPACE
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#endif // mozilla_dom_fmradiochild_h__
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