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109 lines
2.6 KiB
C++
109 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_FMRadio_h
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#define mozilla_dom_FMRadio_h
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#include "FMRadioCommon.h"
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#include "nsDOMEventTargetHelper.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/HalTypes.h"
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#include "nsWeakReference.h"
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#include "AudioChannelAgent.h"
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class nsPIDOMWindow;
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class nsIScriptContext;
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BEGIN_FMRADIO_NAMESPACE
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class DOMRequest;
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class FMRadio MOZ_FINAL : public nsDOMEventTargetHelper
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, public hal::SwitchObserver
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, public FMRadioEventObserver
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, public nsSupportsWeakReference
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, public nsIAudioChannelAgentCallback
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, public nsIDOMEventListener
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{
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friend class FMRadioRequest;
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public:
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FMRadio();
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NS_DECL_ISUPPORTS_INHERITED
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NS_REALLY_FORWARD_NSIDOMEVENTTARGET(nsDOMEventTargetHelper)
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void Init(nsPIDOMWindow *aWindow);
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void Shutdown();
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/* hal::SwitchObserver */
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virtual void Notify(const hal::SwitchEvent& aEvent) MOZ_OVERRIDE;
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/* FMRadioEventObserver */
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virtual void Notify(const FMRadioEventType& aType) MOZ_OVERRIDE;
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nsPIDOMWindow* GetParentObject() const
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{
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return GetOwner();
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}
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
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static bool Enabled();
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bool AntennaAvailable() const;
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Nullable<double> GetFrequency() const;
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double FrequencyUpperBound() const;
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double FrequencyLowerBound() const;
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double ChannelWidth() const;
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already_AddRefed<DOMRequest> Enable(double aFrequency);
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already_AddRefed<DOMRequest> Disable();
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already_AddRefed<DOMRequest> SetFrequency(double aFrequency);
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already_AddRefed<DOMRequest> SeekUp();
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already_AddRefed<DOMRequest> SeekDown();
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already_AddRefed<DOMRequest> CancelSeek();
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IMPL_EVENT_HANDLER(enabled);
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IMPL_EVENT_HANDLER(disabled);
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IMPL_EVENT_HANDLER(antennaavailablechange);
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IMPL_EVENT_HANDLER(frequencychange);
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// nsIAudioChannelAgentCallback
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NS_IMETHOD CanPlayChanged(int32_t aCanPlay);
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// nsIDOMEventListener
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
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private:
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~FMRadio();
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void SetCanPlay(bool aCanPlay);
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void EnableAudioChannelAgent();
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hal::SwitchState mHeadphoneState;
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bool mAudioChannelAgentEnabled;
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bool mHasInternalAntenna;
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bool mIsShutdown;
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nsCOMPtr<nsIAudioChannelAgent> mAudioChannelAgent;
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};
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END_FMRADIO_NAMESPACE
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#endif // mozilla_dom_FMRadio_h
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