зеркало из https://github.com/mozilla/gecko-dev.git
114 строки
3.2 KiB
C++
114 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_TVSource_h
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#define mozilla_dom_TVSource_h
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#include "mozilla/DOMEventTargetHelper.h"
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// Include TVScanningStateChangedEventBinding.h since enum TVScanningState can't
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// be forward declared.
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#include "mozilla/dom/TVScanningStateChangedEventBinding.h"
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// Include TVSourceBinding.h since enum TVSourceType can't be forward declared.
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#include "mozilla/dom/TVSourceBinding.h"
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class nsITVChannelData;
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class nsITVProgramData;
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class nsITVService;
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namespace mozilla {
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namespace dom {
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class Promise;
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class TVChannel;
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class TVProgram;
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class TVTuner;
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class TVSource MOZ_FINAL : public DOMEventTargetHelper
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TVSource, DOMEventTargetHelper)
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static already_AddRefed<TVSource> Create(nsPIDOMWindow* aWindow,
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TVSourceType aType,
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TVTuner* aTuner);
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// WebIDL (internal functions)
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virtual JSObject* WrapObject(JSContext *aCx) MOZ_OVERRIDE;
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nsresult SetCurrentChannel(nsITVChannelData* aChannelData);
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nsresult UnsetCurrentChannel();
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void SetIsScanning(bool aIsScanning);
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nsresult DispatchTVEvent(nsIDOMEvent* aEvent);
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nsresult NotifyChannelScanned(nsITVChannelData* aChannelData);
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nsresult NotifyChannelScanComplete();
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nsresult NotifyChannelScanStopped();
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nsresult NotifyEITBroadcasted(nsITVChannelData* aChannelData,
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nsITVProgramData** aProgramDataList,
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uint32_t aCount);
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// WebIDL (public APIs)
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already_AddRefed<Promise> GetChannels(ErrorResult& aRv);
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already_AddRefed<Promise> SetCurrentChannel(const nsAString& aChannelNumber,
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ErrorResult& aRv);
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already_AddRefed<Promise> StartScanning(const TVStartScanningOptions& aOptions,
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ErrorResult& aRv);
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already_AddRefed<Promise> StopScanning(ErrorResult& aRv);
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already_AddRefed<TVTuner> Tuner() const;
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TVSourceType Type() const;
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bool IsScanning() const;
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already_AddRefed<TVChannel> GetCurrentChannel() const;
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IMPL_EVENT_HANDLER(currentchannelchanged);
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IMPL_EVENT_HANDLER(eitbroadcasted);
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IMPL_EVENT_HANDLER(scanningstatechanged);
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private:
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TVSource(nsPIDOMWindow* aWindow,
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TVSourceType aType,
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TVTuner* aTuner);
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~TVSource();
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bool Init();
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void Shutdown();
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nsresult DispatchCurrentChannelChangedEvent(TVChannel* aChannel);
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nsresult DispatchScanningStateChangedEvent(TVScanningState aState,
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TVChannel* aChannel);
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nsresult DispatchEITBroadcastedEvent(const Sequence<OwningNonNull<TVProgram>>& aPrograms);
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nsCOMPtr<nsITVService> mTVService;
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nsRefPtr<TVTuner> mTuner;
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nsRefPtr<TVChannel> mCurrentChannel;
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TVSourceType mType;
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bool mIsScanning;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_TVSource_h
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