зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
1.9 KiB
C++
66 строки
1.9 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_WebVTTLoadListener_h
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#define mozilla_dom_WebVTTLoadListener_h
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#include "nsIWebVTTListener.h"
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#include "nsIStreamListener.h"
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#include "nsIChannelEventSink.h"
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#include "nsAutoPtr.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsCycleCollectionParticipant.h"
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class nsIWebVTTParserWrapper;
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namespace mozilla {
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namespace dom {
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class HTMLTrackElement;
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class WebVTTListener final : public nsIWebVTTListener,
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public nsIStreamListener,
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public nsIChannelEventSink,
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public nsIInterfaceRequestor
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{
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_NSIWEBVTTLISTENER
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSICHANNELEVENTSINK
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(WebVTTListener,
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nsIStreamListener)
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public:
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explicit WebVTTListener(HTMLTrackElement* aElement);
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/**
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* Loads the WebVTTListener. Must call this in order for the listener to be
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* ready to parse data that is passed to it.
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*/
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nsresult LoadResource();
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private:
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~WebVTTListener();
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// List of error codes returned from the WebVTT parser that we care about.
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enum ErrorCodes {
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BadSignature = 0
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};
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static NS_METHOD ParseChunk(nsIInputStream* aInStream, void* aClosure,
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const char* aFromSegment, uint32_t aToOffset,
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uint32_t aCount, uint32_t* aWriteCount);
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RefPtr<HTMLTrackElement> mElement;
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nsCOMPtr<nsIWebVTTParserWrapper> mParserWrapper;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_WebVTTListener_h
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