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69 lines
1.8 KiB
JavaScript
69 lines
1.8 KiB
JavaScript
/* 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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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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Components.utils.import("resource://gre/modules/vtt.jsm");
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var Ci = Components.interfaces;
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var WEBVTTPARSERWRAPPER_CID = "{acf6e493-0092-4b26-b172-241e375c57ab}";
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var WEBVTTPARSERWRAPPER_CONTRACTID = "@mozilla.org/webvttParserWrapper;1";
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function WebVTTParserWrapper()
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{
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// Nothing
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}
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WebVTTParserWrapper.prototype =
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{
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loadParser: function(window)
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{
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this.parser = new WebVTTParser(window, new TextDecoder("utf8"));
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},
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parse: function(data)
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{
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// We can safely translate the string data to a Uint8Array as we are
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// guaranteed character codes only from \u0000 => \u00ff
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var buffer = new Uint8Array(data.length);
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for (var i = 0; i < data.length; i++) {
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buffer[i] = data.charCodeAt(i);
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}
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this.parser.parse(buffer);
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},
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flush: function()
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{
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this.parser.flush();
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},
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watch: function(callback)
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{
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this.parser.oncue = callback.onCue;
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this.parser.onregion = callback.onRegion;
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},
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convertCueToDOMTree: function(window, cue)
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{
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return WebVTTParser.convertCueToDOMTree(window, cue.text);
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},
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processCues: function(window, cues, overlay)
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{
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WebVTTParser.processCues(window, cues, null, overlay);
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},
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classDescription: "Wrapper for the JS WebVTTParser (vtt.js)",
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classID: Components.ID(WEBVTTPARSERWRAPPER_CID),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebVTTParserWrapper]),
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classInfo: XPCOMUtils.generateCI({
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classID: WEBVTTPARSERWRAPPER_CID,
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contractID: WEBVTTPARSERWRAPPER_CONTRACTID,
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interfaces: [Ci.nsIWebVTTParserWrapper]
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})
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebVTTParserWrapper]);
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