55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
// xTimer, Copyright 2003-2005 Michael Foster (Cross-Browser.com)
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// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL
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function xTimerMgr()
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{
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this.timers = new Array();
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}
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// xTimerMgr Methods
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xTimerMgr.prototype.set = function(type, obj, sMethod, uTime, data) // type: 'interval' or 'timeout'
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{
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return (this.timers[this.timers.length] = new xTimerObj(type, obj, sMethod, uTime, data));
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};
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xTimerMgr.prototype.run = function()
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{
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var i, t, d = new Date(), now = d.getTime();
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for (i = 0; i < this.timers.length; ++i) {
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t = this.timers[i];
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if (t && t.running) {
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t.elapsed = now - t.time0;
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if (t.elapsed >= t.preset) { // timer event on t
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t.obj[t.mthd](t); // pass listener this xTimerObj
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if (t.type.charAt(0) == 'i') { t.time0 = now; }
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else { t.stop(); }
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}
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}
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}
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};
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// Object Prototype used only by xTimerMgr
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function xTimerObj(type, obj, mthd, preset, data)
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{
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// Public Properties
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this.data = data;
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// Read-only Properties
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this.type = type; // 'interval' or 'timeout'
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this.obj = obj;
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this.mthd = mthd; // string
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this.preset = preset;
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this.reset();
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} // end xTimerObj constructor
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// xTimerObj Methods
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xTimerObj.prototype.stop = function() { this.running = false; };
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xTimerObj.prototype.start = function() { this.running = true; }; // continue after a stop
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xTimerObj.prototype.reset = function()
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{
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var d = new Date();
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this.time0 = d.getTime();
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this.elapsed = 0;
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this.running = true;
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};
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var xTimer = new xTimerMgr(); // applications assume global name is 'xTimer'
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setInterval('xTimer.run()', 250);
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