The Tor Browser: dom/fmradio/ipc/FMRadioChild.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */

     2 /* vim: set ts=2 et sw=2 tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef mozilla_dom_fmradiochild_h__

     8 #define mozilla_dom_fmradiochild_h__

    10 #include "FMRadioCommon.h"

    11 #include "FMRadioService.h"

    12 #include "mozilla/dom/PFMRadioChild.h"

    13 #include "mozilla/StaticPtr.h"

    15 BEGIN_FMRADIO_NAMESPACE

    17 /**

    18  * FMRadioChild plays two roles:

    19  *   - Kind of proxy of FMRadioService

    20  *     Redirect all the requests  coming from web content to FMRadioService

    21  *     in parent through IPC channel.

    22  *   - Child Actor of PFMRadio

    23  *     IPC channel to transfer the requests.

    24  */

    25 class FMRadioChild MOZ_FINAL : public IFMRadioService

    26                              , public PFMRadioChild

    27 {

    28 public:

    29   static FMRadioChild* Singleton();

    30   ~FMRadioChild();

    32   void SendRequest(FMRadioReplyRunnable* aReplyRunnable,

    33                    FMRadioRequestArgs aArgs);

    35   /* IFMRadioService */

    36   virtual bool IsEnabled() const MOZ_OVERRIDE;

    37   virtual double GetFrequency() const MOZ_OVERRIDE;

    38   virtual double GetFrequencyUpperBound() const MOZ_OVERRIDE;

    39   virtual double GetFrequencyLowerBound() const MOZ_OVERRIDE;

    40   virtual double GetChannelWidth() const MOZ_OVERRIDE;

    42   virtual void Enable(double aFrequency,

    43                       FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;

    44   virtual void Disable(FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;

    45   virtual void SetFrequency(double frequency,

    46                             FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;

    47   virtual void Seek(mozilla::hal::FMRadioSeekDirection aDirection,

    48                     FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;

    49   virtual void CancelSeek(FMRadioReplyRunnable* aReplyRunnable) MOZ_OVERRIDE;

    51   virtual void AddObserver(FMRadioEventObserver* aObserver) MOZ_OVERRIDE;

    52   virtual void RemoveObserver(FMRadioEventObserver* aObserver) MOZ_OVERRIDE;

    54   virtual void EnableAudio(bool aAudioEnabled) MOZ_OVERRIDE;

    56   /* PFMRadioChild */

    57   virtual bool

    58   Recv__delete__() MOZ_OVERRIDE;

    60   virtual bool

    61   RecvNotifyFrequencyChanged(const double& aFrequency) MOZ_OVERRIDE;

    63   virtual bool

    64   RecvNotifyEnabledChanged(const bool& aEnabled,

    65                            const double& aFrequency) MOZ_OVERRIDE;

    67   virtual PFMRadioRequestChild*

    68   AllocPFMRadioRequestChild(const FMRadioRequestArgs& aArgs) MOZ_OVERRIDE;

    70   virtual bool

    71   DeallocPFMRadioRequestChild(PFMRadioRequestChild* aActor) MOZ_OVERRIDE;

    73 private:

    74   FMRadioChild();

    76   void Init();

    78   inline void NotifyFMRadioEvent(FMRadioEventType aType);

    80   bool mEnabled;

    81   double mFrequency;

    82   double mUpperBound;

    83   double mLowerBound;

    84   double mChannelWidth;

    86   FMRadioEventObserverList mObserverList;

    88 private:

    89   static StaticAutoPtr<FMRadioChild> sFMRadioChild;

    90 };

    92 END_FMRADIO_NAMESPACE

    94 #endif // mozilla_dom_fmradiochild_h__

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