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55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
15 years ago
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dojo.provide("dojox.timing._base");
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dojo.experimental("dojox.timing");
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dojox.timing.Timer = function(/*int*/ interval){
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// summary: Timer object executes an "onTick()" method repeatedly at a specified interval.
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// repeatedly at a given interval.
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// interval: Interval between function calls, in milliseconds.
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this.timer = null;
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this.isRunning = false;
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this.interval = interval;
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this.onStart = null;
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this.onStop = null;
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};
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dojo.extend(dojox.timing.Timer, {
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onTick : function(){
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// summary: Method called every time the interval passes. Override to do something useful.
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},
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setInterval : function(interval){
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// summary: Reset the interval of a timer, whether running or not.
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// interval: New interval, in milliseconds.
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if (this.isRunning){
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window.clearInterval(this.timer);
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}
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this.interval = interval;
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if (this.isRunning){
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this.timer = window.setInterval(dojo.hitch(this, "onTick"), this.interval);
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}
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},
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start : function(){
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// summary: Start the timer ticking.
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// description: Calls the "onStart()" handler, if defined.
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// Note that the onTick() function is not called right away,
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// only after first interval passes.
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if (typeof this.onStart == "function"){
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this.onStart();
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}
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this.isRunning = true;
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this.timer = window.setInterval(dojo.hitch(this, "onTick"), this.interval);
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},
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stop : function(){
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// summary: Stop the timer.
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// description: Calls the "onStop()" handler, if defined.
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if (typeof this.onStop == "function"){
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this.onStop();
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}
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this.isRunning = false;
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window.clearInterval(this.timer);
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}
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});
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