1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/WebVTTListener.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,64 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef mozilla_dom_WebVTTLoadListener_h
1.10 +#define mozilla_dom_WebVTTLoadListener_h
1.11 +
1.12 +#include "nsIWebVTTListener.h"
1.13 +#include "nsIStreamListener.h"
1.14 +#include "nsIChannelEventSink.h"
1.15 +#include "nsAutoPtr.h"
1.16 +#include "nsIInterfaceRequestor.h"
1.17 +#include "nsCycleCollectionParticipant.h"
1.18 +
1.19 +class nsIWebVTTParserWrapper;
1.20 +
1.21 +namespace mozilla {
1.22 +namespace dom {
1.23 +
1.24 +class HTMLTrackElement;
1.25 +
1.26 +class WebVTTListener MOZ_FINAL : public nsIWebVTTListener,
1.27 + public nsIStreamListener,
1.28 + public nsIChannelEventSink,
1.29 + public nsIInterfaceRequestor
1.30 +{
1.31 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.32 + NS_DECL_NSIWEBVTTLISTENER
1.33 + NS_DECL_NSIREQUESTOBSERVER
1.34 + NS_DECL_NSISTREAMLISTENER
1.35 + NS_DECL_NSICHANNELEVENTSINK
1.36 + NS_DECL_NSIINTERFACEREQUESTOR
1.37 +
1.38 + NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(WebVTTListener,
1.39 + nsIStreamListener)
1.40 +
1.41 +public:
1.42 + WebVTTListener(HTMLTrackElement* aElement);
1.43 + ~WebVTTListener();
1.44 +
1.45 + /**
1.46 + * Loads the WebVTTListener. Must call this in order for the listener to be
1.47 + * ready to parse data that is passed to it.
1.48 + */
1.49 + nsresult LoadResource();
1.50 +
1.51 +private:
1.52 + // List of error codes returned from the WebVTT parser that we care about.
1.53 + enum ErrorCodes {
1.54 + BadSignature = 0
1.55 + };
1.56 + static NS_METHOD ParseChunk(nsIInputStream* aInStream, void* aClosure,
1.57 + const char* aFromSegment, uint32_t aToOffset,
1.58 + uint32_t aCount, uint32_t* aWriteCount);
1.59 +
1.60 + nsRefPtr<HTMLTrackElement> mElement;
1.61 + nsCOMPtr<nsIWebVTTParserWrapper> mParserWrapper;
1.62 +};
1.63 +
1.64 +} // namespace dom
1.65 +} // namespace mozilla
1.66 +
1.67 +#endif // mozilla_dom_WebVTTListener_h
