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Posted to commits@guacamole.apache.org by mj...@apache.org on 2016/05/05 23:37:17 UTC
[42/51] [abbrv] [partial] incubator-guacamole-website git commit:
Deploy first version of the Apache Guacamole website (reworded and restyled
from the old guac-dev.org).
http://git-wip-us.apache.org/repos/asf/incubator-guacamole-website/blob/af9b9c05/content/doc/0.8.3/guacamole-common-js/symbols/src/src_main_resources_layer.js.html
----------------------------------------------------------------------
diff --git a/content/doc/0.8.3/guacamole-common-js/symbols/src/src_main_resources_layer.js.html b/content/doc/0.8.3/guacamole-common-js/symbols/src/src_main_resources_layer.js.html
new file mode 100644
index 0000000..6023022
--- /dev/null
+++ b/content/doc/0.8.3/guacamole-common-js/symbols/src/src_main_resources_layer.js.html
@@ -0,0 +1,1231 @@
+<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
+ .KEYW {color: #933;}
+ .COMM {color: #bbb; font-style: italic;}
+ .NUMB {color: #393;}
+ .STRN {color: #393;}
+ .REGX {color: #339;}
+ .line {border-right: 1px dotted #666; color: #666; font-style: normal;}
+ </style></head><body><pre><span class='line'> 1</span> <span class="WHIT">
+<span class='line'> 2</span> </span><span class="COMM">/* ***** BEGIN LICENSE BLOCK *****
+<span class='line'> 3</span> * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+<span class='line'> 4</span> *
+<span class='line'> 5</span> * The contents of this file are subject to the Mozilla Public License Version
+<span class='line'> 6</span> * 1.1 (the "License"); you may not use this file except in compliance with
+<span class='line'> 7</span> * the License. You may obtain a copy of the License at
+<span class='line'> 8</span> * http://www.mozilla.org/MPL/
+<span class='line'> 9</span> *
+<span class='line'> 10</span> * Software distributed under the License is distributed on an "AS IS" basis,
+<span class='line'> 11</span> * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+<span class='line'> 12</span> * for the specific language governing rights and limitations under the
+<span class='line'> 13</span> * License.
+<span class='line'> 14</span> *
+<span class='line'> 15</span> * The Original Code is guacamole-common-js.
+<span class='line'> 16</span> *
+<span class='line'> 17</span> * The Initial Developer of the Original Code is
+<span class='line'> 18</span> * Michael Jumper.
+<span class='line'> 19</span> * Portions created by the Initial Developer are Copyright (C) 2010
+<span class='line'> 20</span> * the Initial Developer. All Rights Reserved.
+<span class='line'> 21</span> *
+<span class='line'> 22</span> * Contributor(s):
+<span class='line'> 23</span> *
+<span class='line'> 24</span> * Alternatively, the contents of this file may be used under the terms of
+<span class='line'> 25</span> * either the GNU General Public License Version 2 or later (the "GPL"), or
+<span class='line'> 26</span> * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+<span class='line'> 27</span> * in which case the provisions of the GPL or the LGPL are applicable instead
+<span class='line'> 28</span> * of those above. If you wish to allow use of your version of this file only
+<span class='line'> 29</span> * under the terms of either the GPL or the LGPL, and not to allow others to
+<span class='line'> 30</span> * use your version of this file under the terms of the MPL, indicate your
+<span class='line'> 31</span> * decision by deleting the provisions above and replace them with the notice
+<span class='line'> 32</span> * and other provisions required by the GPL or the LGPL. If you do not delete
+<span class='line'> 33</span> * the provisions above, a recipient may use your version of this file under
+<span class='line'> 34</span> * the terms of any one of the MPL, the GPL or the LGPL.
+<span class='line'> 35</span> *
+<span class='line'> 36</span> * ***** END LICENSE BLOCK ***** */</span><span class="WHIT">
+<span class='line'> 37</span>
+<span class='line'> 38</span> </span><span class="COMM">/**
+<span class='line'> 39</span> * Namespace for all Guacamole JavaScript objects.
+<span class='line'> 40</span> * @namespace
+<span class='line'> 41</span> */</span><span class="WHIT">
+<span class='line'> 42</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">Guacamole</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Guacamole</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'> 43</span>
+<span class='line'> 44</span> </span><span class="COMM">/**
+<span class='line'> 45</span> * Abstract ordered drawing surface. Each Layer contains a canvas element and
+<span class='line'> 46</span> * provides simple drawing instructions for drawing to that canvas element,
+<span class='line'> 47</span> * however unlike the canvas element itself, drawing operations on a Layer are
+<span class='line'> 48</span> * guaranteed to run in order, even if such an operation must wait for an image
+<span class='line'> 49</span> * to load before completing.
+<span class='line'> 50</span> *
+<span class='line'> 51</span> * @constructor
+<span class='line'> 52</span> *
+<span class='line'> 53</span> * @param {Number} width The width of the Layer, in pixels. The canvas element
+<span class='line'> 54</span> * backing this Layer will be given this width.
+<span class='line'> 55</span> *
+<span class='line'> 56</span> * @param {Number} height The height of the Layer, in pixels. The canvas element
+<span class='line'> 57</span> * backing this Layer will be given this height.
+<span class='line'> 58</span> */</span><span class="WHIT">
+<span class='line'> 59</span> </span><span class="NAME">Guacamole.Layer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'> 60</span>
+<span class='line'> 61</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'> 62</span> * Reference to this Layer.
+<span class='line'> 63</span> * @private
+<span class='line'> 64</span> */</span><span class="WHIT">
+<span class='line'> 65</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">layer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'> 66</span>
+<span class='line'> 67</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'> 68</span> * The canvas element backing this Layer.
+<span class='line'> 69</span> * @private
+<span class='line'> 70</span> */</span><span class="WHIT">
+<span class='line'> 71</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">display</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">document.createElement</span><span class="PUNC">(</span><span class="STRN">"canvas"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'> 72</span>
+<span class='line'> 73</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'> 74</span> * The 2D display context of the canvas element backing this Layer.
+<span class='line'> 75</span> * @private
+<span class='line'> 76</span> */</span><span class="WHIT">
+<span class='line'> 77</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">displayContext</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">display.getContext</span><span class="PUNC">(</span><span class="STRN">"2d"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'> 78</span> </span><span class="WHIT"> </span><span class="NAME">displayContext.save</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'> 79</span>
+<span class='line'> 80</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'> 81</span> * The queue of all pending Tasks. Tasks will be run in order, with new
+<span class='line'> 82</span> * tasks added at the end of the queue and old tasks removed from the
+<span class='line'> 83</span> * front of the queue (FIFO).
+<span class='line'> 84</span> * @private
+<span class='line'> 85</span> */</span><span class="WHIT">
+<span class='line'> 86</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">tasks</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'> 87</span>
+<span class='line'> 88</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'> 89</span> * Whether a new path should be started with the next path drawing
+<span class='line'> 90</span> * operations.
+<span class='line'> 91</span> * @private
+<span class='line'> 92</span> */</span><span class="WHIT">
+<span class='line'> 93</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">pathClosed</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'> 94</span>
+<span class='line'> 95</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'> 96</span> * The number of states on the state stack.
+<span class='line'> 97</span> *
+<span class='line'> 98</span> * Note that there will ALWAYS be one element on the stack, but that
+<span class='line'> 99</span> * element is not exposed. It is only used to reset the layer to its
+<span class='line'>100</span> * initial state.
+<span class='line'>101</span> *
+<span class='line'>102</span> * @private
+<span class='line'>103</span> */</span><span class="WHIT">
+<span class='line'>104</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">stackSize</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>105</span>
+<span class='line'>106</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>107</span> * Map of all Guacamole channel masks to HTML5 canvas composite operation
+<span class='line'>108</span> * names. Not all channel mask combinations are currently implemented.
+<span class='line'>109</span> * @private
+<span class='line'>110</span> */</span><span class="WHIT">
+<span class='line'>111</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">compositeOperation</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>112</span> </span><span class="WHIT"> </span><span class="COMM">/* 0x0 NOT IMPLEMENTED */</span><span class="WHIT">
+<span class='line'>113</span> </span><span class="WHIT"> </span><span class="NUMB">0x1</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"destination-in"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>114</span> </span><span class="WHIT"> </span><span class="NUMB">0x2</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"destination-out"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>115</span> </span><span class="WHIT"> </span><span class="COMM">/* 0x3 NOT IMPLEMENTED */</span><span class="WHIT">
+<span class='line'>116</span> </span><span class="WHIT"> </span><span class="NUMB">0x4</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"source-in"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>117</span> </span><span class="WHIT"> </span><span class="COMM">/* 0x5 NOT IMPLEMENTED */</span><span class="WHIT">
+<span class='line'>118</span> </span><span class="WHIT"> </span><span class="NUMB">0x6</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"source-atop"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>119</span> </span><span class="WHIT"> </span><span class="COMM">/* 0x7 NOT IMPLEMENTED */</span><span class="WHIT">
+<span class='line'>120</span> </span><span class="WHIT"> </span><span class="NUMB">0x8</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"source-out"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>121</span> </span><span class="WHIT"> </span><span class="NUMB">0x9</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"destination-atop"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>122</span> </span><span class="WHIT"> </span><span class="NUMB">0xA</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"xor"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>123</span> </span><span class="WHIT"> </span><span class="NUMB">0xB</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"destination-over"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>124</span> </span><span class="WHIT"> </span><span class="NUMB">0xC</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"copy"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>125</span> </span><span class="WHIT"> </span><span class="COMM">/* 0xD NOT IMPLEMENTED */</span><span class="WHIT">
+<span class='line'>126</span> </span><span class="WHIT"> </span><span class="NUMB">0xE</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"source-over"</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>127</span> </span><span class="WHIT"> </span><span class="NUMB">0xF</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"lighter"</span><span class="WHIT">
+<span class='line'>128</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>129</span>
+<span class='line'>130</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>131</span> * Resizes the canvas element backing this Layer without testing the
+<span class='line'>132</span> * new size. This function should only be used internally.
+<span class='line'>133</span> *
+<span class='line'>134</span> * @private
+<span class='line'>135</span> * @param {Number} newWidth The new width to assign to this Layer.
+<span class='line'>136</span> * @param {Number} newHeight The new height to assign to this Layer.
+<span class='line'>137</span> */</span><span class="WHIT">
+<span class='line'>138</span> </span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">resize</span><span class="PUNC">(</span><span class="NAME">newWidth</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">newHeight</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>139</span>
+<span class='line'>140</span> </span><span class="WHIT"> </span><span class="COMM">// Only preserve old data if width/height are both non-zero</span><span class="WHIT">
+<span class='line'>141</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">oldData</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>142</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">height</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>143</span>
+<span class='line'>144</span> </span><span class="WHIT"> </span><span class="COMM">// Create canvas and context for holding old data</span><span class="WHIT">
+<span class='line'>145</span> </span><span class="WHIT"> </span><span class="NAME">oldData</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">document.createElement</span><span class="PUNC">(</span><span class="STRN">"canvas"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>146</span> </span><span class="WHIT"> </span><span class="NAME">oldData.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>147</span> </span><span class="WHIT"> </span><span class="NAME">oldData.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>148</span>
+<span class='line'>149</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">oldDataContext</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">oldData.getContext</span><span class="PUNC">(</span><span class="STRN">"2d"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>150</span>
+<span class='line'>151</span> </span><span class="WHIT"> </span><span class="COMM">// Copy image data from current</span><span class="WHIT">
+<span class='line'>152</span> </span><span class="WHIT"> </span><span class="NAME">oldDataContext.drawImage</span><span class="PUNC">(</span><span class="NAME">display</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>153</span> </span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>154</span> </span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>155</span>
+<span class='line'>156</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>157</span>
+<span class='line'>158</span> </span><span class="WHIT"> </span><span class="COMM">// Preserve composite operation</span><span class="WHIT">
+<span class='line'>159</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">oldCompositeOperation</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">displayContext.globalCompositeOperation</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>160</span>
+<span class='line'>161</span> </span><span class="WHIT"> </span><span class="COMM">// Resize canvas</span><span class="WHIT">
+<span class='line'>162</span> </span><span class="WHIT"> </span><span class="NAME">display.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">newWidth</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>163</span> </span><span class="WHIT"> </span><span class="NAME">display.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">newHeight</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>164</span>
+<span class='line'>165</span> </span><span class="WHIT"> </span><span class="COMM">// Redraw old data, if any</span><span class="WHIT">
+<span class='line'>166</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">oldData</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>167</span> </span><span class="WHIT"> </span><span class="NAME">displayContext.drawImage</span><span class="PUNC">(</span><span class="NAME">oldData</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>168</span> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">,</span><span class="WHIT">
+<span class='line'>169</span> </span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>170</span>
+<span class='line'>171</span> </span><span class="WHIT"> </span><span class="COMM">// Restore composite operation</span><span class="WHIT">
+<span class='line'>172</span> </span><span class="WHIT"> </span><span class="NAME">displayContext.globalCompositeOperation</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">oldCompositeOperation</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>173</span>
+<span class='line'>174</span> </span><span class="WHIT"> </span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">newWidth</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>175</span> </span><span class="WHIT"> </span><span class="NAME">height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">newHeight</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>176</span>
+<span class='line'>177</span> </span><span class="WHIT"> </span><span class="COMM">// Acknowledge reset of stack (happens on resize of canvas)</span><span class="WHIT">
+<span class='line'>178</span> </span><span class="WHIT"> </span><span class="NAME">stackSize</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>179</span> </span><span class="WHIT"> </span><span class="NAME">displayContext.save</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>180</span>
+<span class='line'>181</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>182</span>
+<span class='line'>183</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>184</span> * Given the X and Y coordinates of the upper-left corner of a rectangle
+<span class='line'>185</span> * and the rectangle's width and height, resize the backing canvas element
+<span class='line'>186</span> * as necessary to ensure that the rectangle fits within the canvas
+<span class='line'>187</span> * element's coordinate space. This function will only make the canvas
+<span class='line'>188</span> * larger. If the rectangle already fits within the canvas element's
+<span class='line'>189</span> * coordinate space, the canvas is left unchanged.
+<span class='line'>190</span> *
+<span class='line'>191</span> * @private
+<span class='line'>192</span> * @param {Number} x The X coordinate of the upper-left corner of the
+<span class='line'>193</span> * rectangle to fit.
+<span class='line'>194</span> * @param {Number} y The Y coordinate of the upper-left corner of the
+<span class='line'>195</span> * rectangle to fit.
+<span class='line'>196</span> * @param {Number} w The width of the the rectangle to fit.
+<span class='line'>197</span> * @param {Number} h The height of the the rectangle to fit.
+<span class='line'>198</span> */</span><span class="WHIT">
+<span class='line'>199</span> </span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">fitRect</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>200</span> </span><span class="WHIT">
+<span class='line'>201</span> </span><span class="COMM">// Calculate bounds</span><span class="WHIT">
+<span class='line'>202</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">opBoundX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>203</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">opBoundY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">h</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>204</span> </span><span class="WHIT">
+<span class='line'>205</span> </span><span class="COMM">// Determine max width</span><span class="WHIT">
+<span class='line'>206</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">resizeWidth</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>207</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">opBoundX</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>208</span> </span><span class="WHIT"> </span><span class="NAME">resizeWidth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">opBoundX</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>209</span> </span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT">
+<span class='line'>210</span> </span><span class="WHIT"> </span><span class="NAME">resizeWidth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>211</span>
+<span class='line'>212</span> </span><span class="WHIT"> </span><span class="COMM">// Determine max height</span><span class="WHIT">
+<span class='line'>213</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">resizeHeight</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>214</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">opBoundY</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>215</span> </span><span class="WHIT"> </span><span class="NAME">resizeHeight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">opBoundY</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>216</span> </span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT">
+<span class='line'>217</span> </span><span class="WHIT"> </span><span class="NAME">resizeHeight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>218</span>
+<span class='line'>219</span> </span><span class="WHIT"> </span><span class="COMM">// Resize if necessary</span><span class="WHIT">
+<span class='line'>220</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">resizeWidth</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">resizeHeight</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>221</span> </span><span class="WHIT"> </span><span class="NAME">resize</span><span class="PUNC">(</span><span class="NAME">resizeWidth</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">resizeHeight</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>222</span>
+<span class='line'>223</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>224</span>
+<span class='line'>225</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>226</span> * A container for an task handler. Each operation which must be ordered
+<span class='line'>227</span> * is associated with a Task that goes into a task queue. Tasks in this
+<span class='line'>228</span> * queue are executed in order once their handlers are set, while Tasks
+<span class='line'>229</span> * without handlers block themselves and any following Tasks from running.
+<span class='line'>230</span> *
+<span class='line'>231</span> * @constructor
+<span class='line'>232</span> * @private
+<span class='line'>233</span> * @param {function} taskHandler The function to call when this task
+<span class='line'>234</span> * runs, if any.
+<span class='line'>235</span> * @param {boolean} blocked Whether this task should start blocked.
+<span class='line'>236</span> */</span><span class="WHIT">
+<span class='line'>237</span> </span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">Task</span><span class="PUNC">(</span><span class="NAME">taskHandler</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">blocked</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>238</span> </span><span class="WHIT">
+<span class='line'>239</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">task</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>240</span> </span><span class="WHIT">
+<span class='line'>241</span> </span><span class="COMM">/**
+<span class='line'>242</span> * Whether this Task is blocked.
+<span class='line'>243</span> *
+<span class='line'>244</span> * @type boolean
+<span class='line'>245</span> */</span><span class="WHIT">
+<span class='line'>246</span> </span><span class="WHIT"> </span><span class="NAME">this.blocked</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">blocked</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>247</span>
+<span class='line'>248</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>249</span> * The handler this Task is associated with, if any.
+<span class='line'>250</span> *
+<span class='line'>251</span> * @type function
+<span class='line'>252</span> */</span><span class="WHIT">
+<span class='line'>253</span> </span><span class="WHIT"> </span><span class="NAME">this.handler</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">taskHandler</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>254</span> </span><span class="WHIT">
+<span class='line'>255</span> </span><span class="COMM">/**
+<span class='line'>256</span> * Unblocks this Task, allowing it to run.
+<span class='line'>257</span> */</span><span class="WHIT">
+<span class='line'>258</span> </span><span class="WHIT"> </span><span class="NAME">this.unblock</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>259</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">task.blocked</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>260</span> </span><span class="WHIT"> </span><span class="NAME">task.blocked</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>261</span>
+<span class='line'>262</span> </span><span class="WHIT"> </span><span class="COMM">// Flush automatically if enabled</span><span class="WHIT">
+<span class='line'>263</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">layer.autoflush</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">flushComplete</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>264</span> </span><span class="WHIT"> </span><span class="NAME">layer.flush</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>265</span>
+<span class='line'>266</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>267</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>268</span>
+<span class='line'>269</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>270</span>
+<span class='line'>271</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>272</span> * If no tasks are pending or running, run the provided handler immediately,
+<span class='line'>273</span> * if any. Otherwise, schedule a task to run immediately after all currently
+<span class='line'>274</span> * running or pending tasks are complete.
+<span class='line'>275</span> *
+<span class='line'>276</span> * @private
+<span class='line'>277</span> * @param {function} handler The function to call when possible, if any.
+<span class='line'>278</span> * @param {boolean} blocked Whether the task should start blocked.
+<span class='line'>279</span> * @returns {Task} The Task created and added to the queue for future
+<span class='line'>280</span> * running, if any, or null if the handler was run
+<span class='line'>281</span> * immediately and no Task needed to be created.
+<span class='line'>282</span> */</span><span class="WHIT">
+<span class='line'>283</span> </span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">(</span><span class="NAME">handler</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">blocked</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>284</span> </span><span class="WHIT">
+<span class='line'>285</span> </span><span class="COMM">// If no pending tasks, just call (if available) and exit</span><span class="WHIT">
+<span class='line'>286</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">layer.autoflush</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">layer.isReady</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">blocked</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>287</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">handler</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">handler</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>288</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>289</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>290</span>
+<span class='line'>291</span> </span><span class="WHIT"> </span><span class="COMM">// If tasks are pending/executing, schedule a pending task</span><span class="WHIT">
+<span class='line'>292</span> </span><span class="WHIT"> </span><span class="COMM">// and return a reference to it.</span><span class="WHIT">
+<span class='line'>293</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">task</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Task</span><span class="PUNC">(</span><span class="NAME">handler</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">blocked</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>294</span> </span><span class="WHIT"> </span><span class="NAME">tasks.push</span><span class="PUNC">(</span><span class="NAME">task</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>295</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">task</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>296</span> </span><span class="WHIT">
+<span class='line'>297</span> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>298</span>
+<span class='line'>299</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>300</span> * Whether all previous calls to flush() have completed. If a task was
+<span class='line'>301</span> * waiting in the queue when flush() was called but still blocked, the
+<span class='line'>302</span> * queue will continue to flush outside the original flush() call until
+<span class='line'>303</span> * the queue is empty.
+<span class='line'>304</span> *
+<span class='line'>305</span> * @private
+<span class='line'>306</span> */</span><span class="WHIT">
+<span class='line'>307</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">flushComplete</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>308</span>
+<span class='line'>309</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>310</span> * Whether tasks are currently being actively flushed. As flush() is not
+<span class='line'>311</span> * reentrant, this flag prevents calls of flush() from overlapping.
+<span class='line'>312</span> * @private
+<span class='line'>313</span> */</span><span class="WHIT">
+<span class='line'>314</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">tasksInProgress</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>315</span>
+<span class='line'>316</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>317</span> * Run any Tasks which were pending but are now ready to run and are not
+<span class='line'>318</span> * blocked by other Tasks.
+<span class='line'>319</span> */</span><span class="WHIT">
+<span class='line'>320</span> </span><span class="WHIT"> </span><span class="NAME">this.flush</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>321</span>
+<span class='line'>322</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">tasksInProgress</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>323</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>324</span>
+<span class='line'>325</span> </span><span class="WHIT"> </span><span class="NAME">tasksInProgress</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>326</span> </span><span class="WHIT"> </span><span class="NAME">flushComplete</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>327</span>
+<span class='line'>328</span> </span><span class="WHIT"> </span><span class="COMM">// Draw all pending tasks.</span><span class="WHIT">
+<span class='line'>329</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">task</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>330</span> </span><span class="WHIT"> </span><span class="KEYW">while</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">task</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tasks</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">task.blocked</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>331</span> </span><span class="WHIT"> </span><span class="NAME">tasks.shift</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>332</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">task.handler</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">task.handler</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>333</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>334</span>
+<span class='line'>335</span> </span><span class="WHIT"> </span><span class="COMM">// If all pending draws have been flushed</span><span class="WHIT">
+<span class='line'>336</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">layer.isReady</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>337</span> </span><span class="WHIT"> </span><span class="NAME">flushComplete</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>338</span>
+<span class='line'>339</span> </span><span class="WHIT"> </span><span class="NAME">tasksInProgress</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>340</span>
+<span class='line'>341</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>342</span>
+<span class='line'>343</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>344</span> * Schedules a task within the current layer just as scheduleTast() does,
+<span class='line'>345</span> * except that another specified layer will be blocked until this task
+<span class='line'>346</span> * completes, and this task will not start until the other layer is
+<span class='line'>347</span> * ready.
+<span class='line'>348</span> *
+<span class='line'>349</span> * Essentially, a task is scheduled in both layers, and the specified task
+<span class='line'>350</span> * will only be performed once both layers are ready, and neither layer may
+<span class='line'>351</span> * proceed until this task completes.
+<span class='line'>352</span> *
+<span class='line'>353</span> * Note that there is no way to specify whether the task starts blocked,
+<span class='line'>354</span> * as whether the task is blocked depends completely on whether the
+<span class='line'>355</span> * other layer is currently ready.
+<span class='line'>356</span> *
+<span class='line'>357</span> * @private
+<span class='line'>358</span> * @param {Guacamole.Layer} otherLayer The other layer which must be blocked
+<span class='line'>359</span> * until this task completes.
+<span class='line'>360</span> * @param {function} handler The function to call when possible.
+<span class='line'>361</span> */</span><span class="WHIT">
+<span class='line'>362</span> </span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">scheduleTaskSynced</span><span class="PUNC">(</span><span class="NAME">otherLayer</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">handler</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>363</span>
+<span class='line'>364</span> </span><span class="WHIT"> </span><span class="COMM">// If we ARE the other layer, no need to sync.</span><span class="WHIT">
+<span class='line'>365</span> </span><span class="WHIT"> </span><span class="COMM">// Syncing would result in deadlock.</span><span class="WHIT">
+<span class='line'>366</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">layer</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">otherLayer</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>367</span> </span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">(</span><span class="NAME">handler</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>368</span>
+<span class='line'>369</span> </span><span class="WHIT"> </span><span class="COMM">// Otherwise synchronize operation with other layer</span><span class="WHIT">
+<span class='line'>370</span> </span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>371</span>
+<span class='line'>372</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">drawComplete</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>373</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">layerLock</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>374</span>
+<span class='line'>375</span> </span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">performTask</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>376</span>
+<span class='line'>377</span> </span><span class="WHIT"> </span><span class="COMM">// Perform task</span><span class="WHIT">
+<span class='line'>378</span> </span><span class="WHIT"> </span><span class="NAME">handler</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>379</span>
+<span class='line'>380</span> </span><span class="WHIT"> </span><span class="COMM">// Unblock the other layer now that draw is complete</span><span class="WHIT">
+<span class='line'>381</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">layerLock</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>382</span> </span><span class="NAME">layerLock.unblock</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>383</span>
+<span class='line'>384</span> </span><span class="WHIT"> </span><span class="COMM">// Flag operation as done</span><span class="WHIT">
+<span class='line'>385</span> </span><span class="WHIT"> </span><span class="NAME">drawComplete</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>386</span>
+<span class='line'>387</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>388</span>
+<span class='line'>389</span> </span><span class="WHIT"> </span><span class="COMM">// Currently blocked draw task</span><span class="WHIT">
+<span class='line'>390</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">task</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">(</span><span class="NAME">performTask</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>391</span>
+<span class='line'>392</span> </span><span class="WHIT"> </span><span class="COMM">// Unblock draw task once source layer is ready</span><span class="WHIT">
+<span class='line'>393</span> </span><span class="WHIT"> </span><span class="NAME">otherLayer.sync</span><span class="PUNC">(</span><span class="NAME">task.unblock</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>394</span>
+<span class='line'>395</span> </span><span class="WHIT"> </span><span class="COMM">// Block other layer until draw completes</span><span class="WHIT">
+<span class='line'>396</span> </span><span class="WHIT"> </span><span class="COMM">// Note that the draw MAY have already been performed at this point,</span><span class="WHIT">
+<span class='line'>397</span> </span><span class="WHIT"> </span><span class="COMM">// in which case creating a lock on the other layer will lead to</span><span class="WHIT">
+<span class='line'>398</span> </span><span class="WHIT"> </span><span class="COMM">// deadlock (the draw task has already run and will thus never</span><span class="WHIT">
+<span class='line'>399</span> </span><span class="WHIT"> </span><span class="COMM">// clear the lock)</span><span class="WHIT">
+<span class='line'>400</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">drawComplete</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>401</span> </span><span class="WHIT"> </span><span class="NAME">layerLock</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">otherLayer.sync</span><span class="PUNC">(</span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>402</span>
+<span class='line'>403</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>404</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>405</span>
+<span class='line'>406</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>407</span> * Set to true if this Layer should resize itself to accomodate the
+<span class='line'>408</span> * dimensions of any drawing operation, and false (the default) otherwise.
+<span class='line'>409</span> *
+<span class='line'>410</span> * Note that setting this property takes effect immediately, and thus may
+<span class='line'>411</span> * take effect on operations that were started in the past but have not
+<span class='line'>412</span> * yet completed. If you wish the setting of this flag to only modify
+<span class='line'>413</span> * future operations, you will need to make the setting of this flag an
+<span class='line'>414</span> * operation with sync().
+<span class='line'>415</span> *
+<span class='line'>416</span> * @example
+<span class='line'>417</span> * // Set autosize to true for all future operations
+<span class='line'>418</span> * layer.sync(function() {
+<span class='line'>419</span> * layer.autosize = true;
+<span class='line'>420</span> * });
+<span class='line'>421</span> *
+<span class='line'>422</span> * @type Boolean
+<span class='line'>423</span> * @default false
+<span class='line'>424</span> */</span><span class="WHIT">
+<span class='line'>425</span> </span><span class="WHIT"> </span><span class="NAME">this.autosize</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>426</span>
+<span class='line'>427</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>428</span> * Set to true to allow operations to flush automatically, instantly
+<span class='line'>429</span> * affecting the layer. By default, operations are buffered and only
+<span class='line'>430</span> * drawn when flush() is called.
+<span class='line'>431</span> *
+<span class='line'>432</span> * @type Boolean
+<span class='line'>433</span> * @default false
+<span class='line'>434</span> */</span><span class="WHIT">
+<span class='line'>435</span> </span><span class="WHIT"> </span><span class="NAME">this.autoflush</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>436</span>
+<span class='line'>437</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>438</span> * Returns the canvas element backing this Layer.
+<span class='line'>439</span> * @returns {Element} The canvas element backing this Layer.
+<span class='line'>440</span> */</span><span class="WHIT">
+<span class='line'>441</span> </span><span class="WHIT"> </span><span class="NAME">this.getCanvas</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>442</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">display</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>443</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>444</span>
+<span class='line'>445</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>446</span> * Returns whether this Layer is ready. A Layer is ready if it has no
+<span class='line'>447</span> * pending operations and no operations in-progress.
+<span class='line'>448</span> *
+<span class='line'>449</span> * @returns {Boolean} true if this Layer is ready, false otherwise.
+<span class='line'>450</span> */</span><span class="WHIT">
+<span class='line'>451</span> </span><span class="WHIT"> </span><span class="NAME">this.isReady</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>452</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">tasks.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>453</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>454</span>
+<span class='line'>455</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>456</span> * Changes the size of this Layer to the given width and height. Resizing
+<span class='line'>457</span> * is only attempted if the new size provided is actually different from
+<span class='line'>458</span> * the current size.
+<span class='line'>459</span> *
+<span class='line'>460</span> * @param {Number} newWidth The new width to assign to this Layer.
+<span class='line'>461</span> * @param {Number} newHeight The new height to assign to this Layer.
+<span class='line'>462</span> */</span><span class="WHIT">
+<span class='line'>463</span> </span><span class="WHIT"> </span><span class="NAME">this.resize</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">newWidth</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">newHeight</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>464</span> </span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>465</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">newWidth</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">newHeight</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>466</span> </span><span class="WHIT"> </span><span class="NAME">resize</span><span class="PUNC">(</span><span class="NAME">newWidth</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">newHeight</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>467</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>468</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>469</span>
+<span class='line'>470</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>471</span> * Draws the specified image at the given coordinates. The image specified
+<span class='line'>472</span> * must already be loaded.
+<span class='line'>473</span> *
+<span class='line'>474</span> * @param {Number} x The destination X coordinate.
+<span class='line'>475</span> * @param {Number} y The destination Y coordinate.
+<span class='line'>476</span> * @param {Image} image The image to draw. Note that this is an Image
+<span class='line'>477</span> * object - not a URL.
+<span class='line'>478</span> */</span><span class="WHIT">
+<span class='line'>479</span> </span><span class="WHIT"> </span><span class="NAME">this.drawImage</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">image</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>480</span> </span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>481</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">layer.autosize</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">fitRect</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">image.width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">image.height</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>482</span> </span><span class="WHIT"> </span><span class="NAME">displayContext.drawImage</span><span class="PUNC">(</span><span class="NAME">image</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>483</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>484</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>485</span>
+<span class='line'>486</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>487</span> * Draws the image at the specified URL at the given coordinates. The image
+<span class='line'>488</span> * will be loaded automatically, and this and any future operations will
+<span class='line'>489</span> * wait for the image to finish loading.
+<span class='line'>490</span> *
+<span class='line'>491</span> * @param {Number} x The destination X coordinate.
+<span class='line'>492</span> * @param {Number} y The destination Y coordinate.
+<span class='line'>493</span> * @param {String} url The URL of the image to draw.
+<span class='line'>494</span> */</span><span class="WHIT">
+<span class='line'>495</span> </span><span class="WHIT"> </span><span class="NAME">this.draw</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">url</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>496</span>
+<span class='line'>497</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">task</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>498</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">layer.autosize</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">fitRect</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">image.width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">image.height</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>499</span> </span><span class="WHIT"> </span><span class="NAME">displayContext.drawImage</span><span class="PUNC">(</span><span class="NAME">image</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>500</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>501</span>
+<span class='line'>502</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">image</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Image</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>503</span> </span><span class="WHIT"> </span><span class="NAME">image.onload</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">task.unblock</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>504</span> </span><span class="WHIT"> </span><span class="NAME">image.src</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">url</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>505</span>
+<span class='line'>506</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>507</span>
+<span class='line'>508</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>509</span> * Plays the video at the specified URL within this layer. The video
+<span class='line'>510</span> * will be loaded automatically, and this and any future operations will
+<span class='line'>511</span> * wait for the video to finish loading. Future operations will not be
+<span class='line'>512</span> * executed until the video finishes playing.
+<span class='line'>513</span> *
+<span class='line'>514</span> * @param {String} mimetype The mimetype of the video to play.
+<span class='line'>515</span> * @param {Number} duration The duration of the video in milliseconds.
+<span class='line'>516</span> * @param {String} url The URL of the video to play.
+<span class='line'>517</span> */</span><span class="WHIT">
+<span class='line'>518</span> </span><span class="WHIT"> </span><span class="NAME">this.play</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">mimetype</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">duration</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">url</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>519</span>
+<span class='line'>520</span> </span><span class="WHIT"> </span><span class="COMM">// Start loading the video</span><span class="WHIT">
+<span class='line'>521</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">video</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">document.createElement</span><span class="PUNC">(</span><span class="STRN">"video"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>522</span> </span><span class="WHIT"> </span><span class="NAME">video.type</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">mimetype</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>523</span> </span><span class="WHIT"> </span><span class="NAME">video.src</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">url</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>524</span>
+<span class='line'>525</span> </span><span class="WHIT"> </span><span class="COMM">// Main task - playing the video</span><span class="WHIT">
+<span class='line'>526</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">task</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>527</span> </span><span class="WHIT"> </span><span class="NAME">video.play</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>528</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>529</span>
+<span class='line'>530</span> </span><span class="WHIT"> </span><span class="COMM">// Lock which will be cleared after video ends</span><span class="WHIT">
+<span class='line'>531</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">lock</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">(</span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>532</span>
+<span class='line'>533</span> </span><span class="WHIT"> </span><span class="COMM">// Start copying frames when playing</span><span class="WHIT">
+<span class='line'>534</span> </span><span class="WHIT"> </span><span class="NAME">video.addEventListener</span><span class="PUNC">(</span><span class="STRN">"play"</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>535</span> </span><span class="WHIT">
+<span class='line'>536</span> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">render_callback</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>537</span> </span><span class="WHIT"> </span><span class="NAME">displayContext.drawImage</span><span class="PUNC">(</span><span class="NAME">video</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>538</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">video.ended</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>539</span> </span><span class="WHIT"> </span><span class="NAME">window.setTimeout</span><span class="PUNC">(</span><span class="NAME">render_callback</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">20</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>540</span> </span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT">
+<span class='line'>541</span> </span><span class="WHIT"> </span><span class="NAME">lock.unblock</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>542</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
+<span class='line'>543</span> </span><span class="WHIT">
+<span class='line'>544</span> </span><span class="NAME">render_callback</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>545</span> </span><span class="WHIT">
+<span class='line'>546</span> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>547</span>
+<span class='line'>548</span> </span><span class="WHIT"> </span><span class="COMM">// Unblock future operations after an error</span><span class="WHIT">
+<span class='line'>549</span> </span><span class="WHIT"> </span><span class="NAME">video.addEventListener</span><span class="PUNC">(</span><span class="STRN">"error"</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">lock.unblock</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>550</span>
+<span class='line'>551</span> </span><span class="WHIT"> </span><span class="COMM">// Play video as soon as current tasks are complete, now that the</span><span class="WHIT">
+<span class='line'>552</span> </span><span class="WHIT"> </span><span class="COMM">// lock has been set up.</span><span class="WHIT">
+<span class='line'>553</span> </span><span class="WHIT"> </span><span class="NAME">task.unblock</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>554</span>
+<span class='line'>555</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>556</span>
+<span class='line'>557</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>558</span> * Run an arbitrary function as soon as currently pending operations
+<span class='line'>559</span> * are complete.
+<span class='line'>560</span> *
+<span class='line'>561</span> * @param {function} handler The function to call once all currently
+<span class='line'>562</span> * pending operations are complete.
+<span class='line'>563</span> * @param {boolean} blocked Whether the task should start blocked.
+<span class='line'>564</span> */</span><span class="WHIT">
+<span class='line'>565</span> </span><span class="WHIT"> </span><span class="NAME">this.sync</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scheduleTask</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>566</span>
+<span class='line'>567</span> </span><span class="WHIT"> </span><span class="COMM">/**
+<span class='line'>568</span> * Transfer a rectangle of image data from one Layer to this Layer using the
+<span class='line'>569</span> * specified transfer function.
+<span class='line'>570</span> *
+<span class='line'>571</span> * @param {Guacamole.Layer} srcLayer The Layer to copy image data from.
+<span class='line'>572</span> * @param {Number} srcx The X coordinate of the upper-left corner of the
+<span class='line'>573</span> * rectangle within the source Layer's coordinate
+<span class='line'>574</span> * space to copy data from.
+<span class='line'>575</span> * @param {Number} srcy The Y coordinate of the upper-left corner of the
+<span class='line'>576</span> * rectangle within the source Layer's coordinate
+<span class='line'>577</span> * space to copy data from.
+<span class='line'>578</span> * @param {Number} srcw The width of the rectangle within the source Layer's
+<span class='line'>579</span> * coordinate space to copy data from.
+<span class='line'>580</span> * @param {Number} srch The height of the rectangle within the source
+<span class='line'>581</span> * Layer's coordinate space to copy data from.
+<span class='line'>582</span> * @param {Number} x The destination X coordinate.
+<span class='line'>583</span> * @param {Number} y The destination Y coordinate.
+<span class='line'>584</span> * @param {Function} transferFunction The transfer function to use to
+<span class='line'>585</span> * transfer data from source to
+<span class='line'>586</span> * destination.
+<span class='line'>587</span> */</span><span class="WHIT">
+<span class='line'>588</span> </span><span class="WHIT"> </span><span class="NAME">this.transfer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">srcLayer</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">srcx</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">srcy</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">srcw</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">srch</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">transferFunction</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>589</span> </span><span class="WHIT"> </span><span class="NAME">scheduleTaskSynced</span><span class="PUNC">(</span><span class="NAME">srcLayer</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
+<span class='line'>590</span>
+<span class='line'>591</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">srcCanvas</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">srcLayer.getCanvas</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>592</span>
+<span class='line'>593</span> </span><span class="WHIT"> </span><span class="COMM">// If entire rectangle outside source canvas, stop</span><span class="WHIT">
+<span class='line'>594</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">srcx</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">srcCanvas.width</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">srcy</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">srcCanvas.height</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>595</span>
+<span class='line'>596</span> </span><span class="WHIT"> </span><span class="COMM">// Otherwise, clip rectangle to area</span><span class="WHIT">
+<span class='line'>597</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">srcx</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">srcw</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">srcCanvas.width</span><span class="PUNC">)</span><span class="WHIT">
+<span class='line'>598</span> </span><span class="WHIT"> </span><span class="NAME">srcw</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">srcCanvas.width</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">srcx</span><span class="PUNC">;</span><span class="WHIT">
+<span class='line'>599</span>
+<span class='line'>600</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">srcy</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">srch</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">srcCanvas.height</span><span class="PUNC">)</span><span class
<TRUNCATED>