1 /*
  2  * Copyright (C) 2013 Glyptodon LLC
  3  *
  4  * Permission is hereby granted, free of charge, to any person obtaining a copy
  5  * of this software and associated documentation files (the "Software"), to deal
  6  * in the Software without restriction, including without limitation the rights
  7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  8  * copies of the Software, and to permit persons to whom the Software is
  9  * furnished to do so, subject to the following conditions:
 10  *
 11  * The above copyright notice and this permission notice shall be included in
 12  * all copies or substantial portions of the Software.
 13  *
 14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 20  * THE SOFTWARE.
 21  */
 22 
 23 var Guacamole = Guacamole || {};
 24 
 25 /**
 26  * A writer which automatically writes to the given output stream with text
 27  * data.
 28  * 
 29  * @constructor
 30  * @param {Guacamole.OutputStream} stream The stream that data will be written
 31  *                                        to.
 32  */
 33 Guacamole.StringWriter = function(stream) {
 34 
 35     /**
 36      * Reference to this Guacamole.StringWriter.
 37      * @private
 38      */
 39     var guac_writer = this;
 40 
 41     // Simply call onack for acknowledgements
 42     stream.onack = function(status) {
 43         if (guac_writer.onack)
 44             guac_writer.onack(status);
 45     };
 46 
 47     /**
 48      * Sends the given text.
 49      * 
 50      * @param {String} text The text to send.
 51      */
 52     this.sendText = function(text) {
 53         stream.sendBlob(window.btoa(text));
 54     };
 55 
 56     /**
 57      * Signals that no further text will be sent, effectively closing the
 58      * stream.
 59      */
 60     this.sendEnd = function() {
 61         stream.sendEnd();
 62     };
 63 
 64     /**
 65      * Fired for received data, if acknowledged by the server.
 66      * @event
 67      * @param {Guacamole.Status} status The status of the operation.
 68      */
 69     this.onack = null;
 70 
 71 };