1 <html><head><title>Roo/util/TaskRunner.js</title><link rel="stylesheet" type="text/css" href="../../css/highlight-js.css"/></head><body class="highlightpage"><code class="jsdoc-pretty"><span class="jsdoc-comment">/*
4 * Copyright(c) 2006-2007, Ext JS, LLC.
6 * Originally Released Under LGPL - original licence link has changed is not relivant.
9 * <script type="text/javascript">
13 </span><span class="jsdoc-var">Roo.util.TaskRunner </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">interval</span><span class="jsdoc-syntax">){
14 </span><span class="jsdoc-var">interval </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">interval </span><span class="jsdoc-syntax">|| 10;
15 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">tasks </span><span class="jsdoc-syntax">= [], </span><span class="jsdoc-var">removeQueue </span><span class="jsdoc-syntax">= [];
16 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">id </span><span class="jsdoc-syntax">= 0;
17 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">running </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">;
19 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">stopThread </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
20 </span><span class="jsdoc-var">running </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">;
21 </span><span class="jsdoc-var">clearInterval</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">id</span><span class="jsdoc-syntax">);
22 </span><span class="jsdoc-var">id </span><span class="jsdoc-syntax">= 0;
25 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">startThread </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
26 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">running</span><span class="jsdoc-syntax">){
27 </span><span class="jsdoc-var">running </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">;
28 </span><span class="jsdoc-var">id </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">setInterval</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">runTasks</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">interval</span><span class="jsdoc-syntax">);
32 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">removeTask </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">task</span><span class="jsdoc-syntax">){
33 </span><span class="jsdoc-var">removeQueue.push</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">task</span><span class="jsdoc-syntax">);
34 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">task.onStop</span><span class="jsdoc-syntax">){
35 </span><span class="jsdoc-var">task.onStop</span><span class="jsdoc-syntax">();
39 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">runTasks </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
40 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">removeQueue.length </span><span class="jsdoc-syntax">> 0){
41 </span><span class="jsdoc-keyword">for</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0, </span><span class="jsdoc-var">len </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">removeQueue.length</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">< </span><span class="jsdoc-var">len</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">++){
42 </span><span class="jsdoc-var">tasks.remove</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">removeQueue</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">]);
44 </span><span class="jsdoc-var">removeQueue </span><span class="jsdoc-syntax">= [];
45 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">tasks.length </span><span class="jsdoc-syntax">< 1){
46 </span><span class="jsdoc-var">stopThread</span><span class="jsdoc-syntax">();
47 </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
50 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">now </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">Date</span><span class="jsdoc-syntax">()</span><span class="jsdoc-var">.getTime</span><span class="jsdoc-syntax">();
51 </span><span class="jsdoc-keyword">for</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0, </span><span class="jsdoc-var">len </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">tasks.length</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">< </span><span class="jsdoc-var">len</span><span class="jsdoc-syntax">; ++</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">){
52 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">t </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">tasks</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">];
53 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">itime </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">now </span><span class="jsdoc-syntax">- </span><span class="jsdoc-var">t.taskRunTime</span><span class="jsdoc-syntax">;
54 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">t.interval </span><span class="jsdoc-syntax"><= </span><span class="jsdoc-var">itime</span><span class="jsdoc-syntax">){
55 </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">rt </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">t.run.apply</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">t.scope </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">t</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">t.args </span><span class="jsdoc-syntax">|| [++</span><span class="jsdoc-var">t.taskRunCount</span><span class="jsdoc-syntax">]);
56 </span><span class="jsdoc-var">t.taskRunTime </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">now</span><span class="jsdoc-syntax">;
57 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">rt </span><span class="jsdoc-syntax">=== </span><span class="jsdoc-keyword">false </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">t.taskRunCount </span><span class="jsdoc-syntax">=== </span><span class="jsdoc-var">t.repeat</span><span class="jsdoc-syntax">){
58 </span><span class="jsdoc-var">removeTask</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">t</span><span class="jsdoc-syntax">);
59 </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
62 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">t.duration </span><span class="jsdoc-syntax">&& </span><span class="jsdoc-var">t.duration </span><span class="jsdoc-syntax"><= (</span><span class="jsdoc-var">now </span><span class="jsdoc-syntax">- </span><span class="jsdoc-var">t.taskStartTime</span><span class="jsdoc-syntax">)){
63 </span><span class="jsdoc-var">removeTask</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">t</span><span class="jsdoc-syntax">);
68 </span><span class="jsdoc-comment">/**
70 * @param {Object} task
72 </span><span class="jsdoc-var">this.start </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">task</span><span class="jsdoc-syntax">){
73 </span><span class="jsdoc-var">tasks.push</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">task</span><span class="jsdoc-syntax">);
74 </span><span class="jsdoc-var">task.taskStartTime </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">Date</span><span class="jsdoc-syntax">()</span><span class="jsdoc-var">.getTime</span><span class="jsdoc-syntax">();
75 </span><span class="jsdoc-var">task.taskRunTime </span><span class="jsdoc-syntax">= 0;
76 </span><span class="jsdoc-var">task.taskRunCount </span><span class="jsdoc-syntax">= 0;
77 </span><span class="jsdoc-var">startThread</span><span class="jsdoc-syntax">();
78 </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">task</span><span class="jsdoc-syntax">;
81 </span><span class="jsdoc-var">this.stop </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">task</span><span class="jsdoc-syntax">){
82 </span><span class="jsdoc-var">removeTask</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">task</span><span class="jsdoc-syntax">);
83 </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">task</span><span class="jsdoc-syntax">;
86 </span><span class="jsdoc-var">this.stopAll </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
87 </span><span class="jsdoc-var">stopThread</span><span class="jsdoc-syntax">();
88 </span><span class="jsdoc-keyword">for</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0, </span><span class="jsdoc-var">len </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">tasks.length</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">< </span><span class="jsdoc-var">len</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">++){
89 </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">tasks</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">]</span><span class="jsdoc-var">.onStop</span><span class="jsdoc-syntax">){
90 </span><span class="jsdoc-var">tasks</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">]</span><span class="jsdoc-var">.onStop</span><span class="jsdoc-syntax">();
93 </span><span class="jsdoc-var">tasks </span><span class="jsdoc-syntax">= [];
94 </span><span class="jsdoc-var">removeQueue </span><span class="jsdoc-syntax">= [];
98 </span><span class="jsdoc-var">Roo.TaskMgr </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">new </span><span class="jsdoc-var">Roo.util.TaskRunner</span><span class="jsdoc-syntax">();</span></code></body></html>