mirror of
https://github.com/gyurix1968/guacamole-client.git
synced 2025-09-06 13:17:41 +00:00
86 lines
2.7 KiB
JavaScript
86 lines
2.7 KiB
JavaScript
/*
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* Copyright (C) 2015 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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var Guacamole = Guacamole || {};
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/**
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* A reader which automatically handles the given input stream, returning
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* received blobs as a single data URI built over the course of the stream.
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* Note that this object will overwrite any installed event handlers on the
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* given Guacamole.InputStream.
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*
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* @constructor
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* @param {Guacamole.InputStream} stream
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* The stream that data will be read from.
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*/
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Guacamole.DataURIReader = function(stream, mimetype) {
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/**
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* Reference to this Guacamole.DataURIReader.
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* @private
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*/
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var guac_reader = this;
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/**
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* Current data URI.
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*
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* @type String
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*/
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var uri = 'data:' + mimetype + ';base64,';
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// Receive blobs as array buffers
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stream.onblob = function dataURIReaderBlob(data) {
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// Currently assuming data will ALWAYS be safe to simply append. This
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// will not be true if the received base64 data encodes a number of
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// bytes that isn't a multiple of three (as base64 expands in a ratio
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// of exactly 3:4).
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uri += data;
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};
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// Simply call onend when end received
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stream.onend = function dataURIReaderEnd() {
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if (guac_reader.onend)
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guac_reader.onend();
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};
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/**
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* Returns the data URI of all data received through the underlying stream
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* thus far.
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*
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* @returns {String}
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* The data URI of all data received through the underlying stream thus
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* far.
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*/
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this.getURI = function getURI() {
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return uri;
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};
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/**
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* Fired once this stream is finished and no further data will be written.
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*
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* @event
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*/
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this.onend = null;
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}; |