gecko-dev/dom/fmradio/ipc/FMRadioChild.h
2015-05-03 15:32:37 -04:00

135 lines
4.1 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_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 final : public IFMRadioService
, public PFMRadioChild
{
public:
static FMRadioChild* Singleton();
~FMRadioChild();
void SendRequest(FMRadioReplyRunnable* aReplyRunnable,
FMRadioRequestArgs aArgs);
/* IFMRadioService */
virtual bool IsEnabled() const override;
virtual bool IsRDSEnabled() const override;
virtual double GetFrequency() const override;
virtual double GetFrequencyUpperBound() const override;
virtual double GetFrequencyLowerBound() const override;
virtual double GetChannelWidth() const override;
virtual Nullable<unsigned short> GetPi() const override;
virtual Nullable<uint8_t> GetPty() const override;
virtual bool GetPs(nsString& aPSName) override;
virtual bool GetRt(nsString& aRadiotext) override;
virtual bool GetRdsgroup(uint64_t& aRDSGroup) override;
virtual void Enable(double aFrequency,
FMRadioReplyRunnable* aReplyRunnable) override;
virtual void Disable(FMRadioReplyRunnable* aReplyRunnable) override;
virtual void SetFrequency(double frequency,
FMRadioReplyRunnable* aReplyRunnable) override;
virtual void Seek(mozilla::hal::FMRadioSeekDirection aDirection,
FMRadioReplyRunnable* aReplyRunnable) override;
virtual void CancelSeek(FMRadioReplyRunnable* aReplyRunnable) override;
virtual void SetRDSGroupMask(uint32_t aRDSGroupMask) override;
virtual void EnableRDS(FMRadioReplyRunnable* aReplyRunnable) override;
virtual void DisableRDS(FMRadioReplyRunnable* aReplyRunnable) override;
virtual void AddObserver(FMRadioEventObserver* aObserver) override;
virtual void RemoveObserver(FMRadioEventObserver* aObserver) override;
virtual void EnableAudio(bool aAudioEnabled) override;
/* PFMRadioChild */
virtual bool
Recv__delete__() override;
virtual bool
RecvNotifyFrequencyChanged(const double& aFrequency) override;
virtual bool
RecvNotifyEnabledChanged(const bool& aEnabled,
const double& aFrequency) override;
virtual bool
RecvNotifyRDSEnabledChanged(const bool& aEnabled) override;
virtual bool
RecvNotifyPIChanged(const bool& aValid,
const uint16_t& aCode) override;
virtual bool
RecvNotifyPTYChanged(const bool& aValid,
const uint8_t& aPTY) override;
virtual bool
RecvNotifyPSChanged(const nsString& aPSName) override;
virtual bool
RecvNotifyRadiotextChanged(const nsString& aRadiotext) override;
virtual bool
RecvNotifyNewRDSGroup(const uint64_t& aGroup) override;
virtual PFMRadioRequestChild*
AllocPFMRadioRequestChild(const FMRadioRequestArgs& aArgs) override;
virtual bool
DeallocPFMRadioRequestChild(PFMRadioRequestChild* aActor) override;
private:
FMRadioChild();
void Init();
inline void NotifyFMRadioEvent(FMRadioEventType aType);
bool mEnabled;
bool mRDSEnabled;
bool mRDSGroupSet;
bool mPSNameSet;
bool mRadiotextSet;
double mFrequency;
double mUpperBound;
double mLowerBound;
double mChannelWidth;
Nullable<unsigned short> mPI;
Nullable<uint8_t> mPTY;
nsAutoString mPSName;
nsAutoString mRadiotext;
uint64_t mRDSGroup;
uint32_t mRDSGroupMask;
FMRadioEventObserverList mObserverList;
private:
static StaticAutoPtr<FMRadioChild> sFMRadioChild;
};
END_FMRADIO_NAMESPACE
#endif // mozilla_dom_fmradiochild_h__