The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/media/webvtt/WebVTTParserWrapper.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,72 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
     1.9 +Components.utils.import("resource://gre/modules/vtt.jsm");
    1.10 +
    1.11 +var Ci = Components.interfaces;
    1.12 +
    1.13 +var WEBVTTPARSERWRAPPER_CID = "{acf6e493-0092-4b26-b172-241e375c57ab}";
    1.14 +var WEBVTTPARSERWRAPPER_CONTRACTID = "@mozilla.org/webvttParserWrapper;1";
    1.15 +
    1.16 +function WebVTTParserWrapper()
    1.17 +{
    1.18 +  // Nothing
    1.19 +}
    1.20 +
    1.21 +WebVTTParserWrapper.prototype =
    1.22 +{
    1.23 +  loadParser: function(window)
    1.24 +  {
    1.25 +    this.parser = new WebVTT.Parser(window,  new TextDecoder("utf8"));
    1.26 +  },
    1.27 +
    1.28 +  parse: function(data)
    1.29 +  {
    1.30 +    // We can safely translate the string data to a Uint8Array as we are
    1.31 +    // guaranteed character codes only from \u0000 => \u00ff
    1.32 +    var buffer = new Uint8Array(data.length);
    1.33 +    for (var i = 0; i < data.length; i++) {
    1.34 +      buffer[i] = data.charCodeAt(i);
    1.35 +    }
    1.36 +
    1.37 +    this.parser.parse(buffer);
    1.38 +  },
    1.39 +
    1.40 +  flush: function()
    1.41 +  {
    1.42 +    this.parser.flush();
    1.43 +  },
    1.44 +
    1.45 +  watch: function(callback)
    1.46 +  {
    1.47 +    this.parser.oncue = callback.onCue;
    1.48 +    this.parser.onregion = callback.onRegion;
    1.49 +    this.parser.onparsingerror = function(e) {
    1.50 +      // Passing the just the error code back is enough for our needs.
    1.51 +      callback.onParsingError(("code" in e) ? e.code : -1);
    1.52 +    };
    1.53 +  },
    1.54 +
    1.55 +  convertCueToDOMTree: function(window, cue)
    1.56 +  {
    1.57 +    return WebVTT.convertCueToDOMTree(window, cue.text);
    1.58 +  },
    1.59 +
    1.60 +  processCues: function(window, cues, overlay)
    1.61 +  {
    1.62 +    WebVTT.processCues(window, cues, overlay);
    1.63 +  },
    1.64 +
    1.65 +  classDescription: "Wrapper for the JS WebVTT implementation (vtt.js)",
    1.66 +  classID: Components.ID(WEBVTTPARSERWRAPPER_CID),
    1.67 +  QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebVTTParserWrapper]),
    1.68 +  classInfo: XPCOMUtils.generateCI({
    1.69 +    classID:    WEBVTTPARSERWRAPPER_CID,
    1.70 +    contractID: WEBVTTPARSERWRAPPER_CONTRACTID,
    1.71 +    interfaces: [Ci.nsIWebVTTParserWrapper]
    1.72 +  })
    1.73 +};
    1.74 +
    1.75 +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebVTTParserWrapper]);