tenfourfox/dom/tv/TVTuner.h

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2017-04-19 07:56:45 +00:00
/* -*- 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_TVTuner_h
#define mozilla_dom_TVTuner_h
#include "mozilla/DOMEventTargetHelper.h"
// Include TVTunerBinding.h since enum TVSourceType can't be forward declared.
#include "mozilla/dom/TVTunerBinding.h"
#define VIDEO_TAG NS_LITERAL_STRING("video")
class nsITVService;
class nsITVTunerData;
namespace mozilla {
class DOMMediaStream;
namespace dom {
class Promise;
class TVSource;
class TVTuner final : public DOMEventTargetHelper
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TVTuner, DOMEventTargetHelper)
static already_AddRefed<TVTuner> Create(nsPIDOMWindow* aWindow,
nsITVTunerData* aData);
nsresult NotifyImageSizeChanged(uint32_t aWidth, uint32_t aHeight);
// WebIDL (internal functions)
virtual JSObject* WrapObject(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
nsresult SetCurrentSource(TVSourceType aSourceType);
nsresult DispatchTVEvent(nsIDOMEvent* aEvent);
// WebIDL (public APIs)
void GetSupportedSourceTypes(nsTArray<TVSourceType>& aSourceTypes,
ErrorResult& aRv) const;
already_AddRefed<Promise> GetSources(ErrorResult& aRv);
already_AddRefed<Promise> SetCurrentSource(const TVSourceType aSourceType,
ErrorResult& aRv);
void GetId(nsAString& aId) const;
already_AddRefed<TVSource> GetCurrentSource() const;
already_AddRefed<DOMMediaStream> GetStream() const;
IMPL_EVENT_HANDLER(currentsourcechanged);
nsresult ReloadMediaStream();
private:
explicit TVTuner(nsPIDOMWindow* aWindow);
~TVTuner();
bool Init(nsITVTunerData* aData);
nsresult InitMediaStream();
already_AddRefed<DOMMediaStream> CreateSimulatedMediaStream();
nsresult DispatchCurrentSourceChangedEvent(TVSource* aSource);
nsCOMPtr<nsITVService> mTVService;
RefPtr<DOMMediaStream> mStream;
uint16_t mStreamType;
RefPtr<TVSource> mCurrentSource;
nsTArray<RefPtr<TVSource>> mSources;
nsString mId;
nsTArray<TVSourceType> mSupportedSourceTypes;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_TVTuner_h