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