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69 lines
2.2 KiB
Plaintext
69 lines
2.2 KiB
Plaintext
/* 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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#include "nsISupports.idl"
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interface nsIDOMHTMLElement;
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interface nsIWebVTTListener;
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interface nsIDOMWindow;
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/**
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* Interface for a wrapper of a JS WebVTT parser (vtt.js).
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*/
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[scriptable, uuid(1604a67f-3b72-4027-bcba-6dddd5be6b10)]
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interface nsIWebVTTParserWrapper : nsISupports
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{
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/**
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* Loads the JS WebVTTParser and sets it to use the passed window to create
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* VTTRegions and VTTCues. This function must be called before calling
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* parse, flush, or watch.
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*
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* @param window The window that the parser will use to create VTTCues and
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* VTTRegions.
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*
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*/
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void loadParser(in nsIDOMWindow window);
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/**
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* Attempts to parse the stream's data as WebVTT format. When it successfully
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* parses a WebVTT region or WebVTT cue it will create a VTTRegion or VTTCue
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* object and pass it back to the callee through its callbacks.
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*
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* @param data The buffer that contains the WebVTT data received by the
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* Necko consumer so far.
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*/
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void parse(in ACString data);
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/**
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* Flush indicates that no more data is expected from the stream. As such the
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* parser should try to parse any kind of partial data it has.
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*/
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void flush();
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/**
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* Set this parser object to use an nsIWebVTTListener object for its onCue
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* and onRegion callbacks.
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*
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* @param callback The nsIWebVTTListener object that exposes onCue and
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* onRegion callbacks for the parser.
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*/
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void watch(in nsIWebVTTListener callback);
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/**
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* Convert the text content of a WebVTT cue to a document fragment so that
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* we can display it on the page.
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*
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* @param window A window object with which the document fragment will be
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* created.
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* @param cue The cue whose content will be converted to a document
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* fragment.
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*/
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nsIDOMHTMLElement convertCueToDOMTree(in nsIDOMWindow window,
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in nsISupports cue);
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};
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%{C++
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#define NS_WEBVTTPARSERWRAPPER_CONTRACTID "@mozilla.org/webvttParserWrapper;1"
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%}
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