Sha256: 11b22bc8df966e94a368f6d24a7d487a94a67d71f413ee5dbe96dacf42a26b8c
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Size: 1.61 KB
Versions: 8
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Stored size: 1.61 KB
Contents
/**
@class
DelayedTask will execute a function after a delay. Every time delay is called, any pending execution
will be canceled.
*/
rio.DelayedTask = Class.create(/** @scope rio.DelayedTask.prototype */{
/** @constructor */
initialize: function() {
this.id = null;
this.start = null;
this.delayLength = null;
this.task = null;
this.args = [];
this.scope = this;
},
/** @private */
timeout: function() {
if (new Date().getTime() - this.start >= this.delayLength) {
clearInterval(this.id);
this.id = null;
this.task.apply(this.scope, this.args || []);
}
},
/**
Executes the passed in task after a delay. This will also cancel any pending tasks.
@param {Number} delayLength The delay in milliseconds
@param {Function} task Task to execute after the delay
@param {Object} scope (optional) The scope in which to execute the task
@param {Array} args (optional) Arguments to pass into the task function
*/
delay: function(delayLength, task, scope, args) {
if (this.id && delayLength != this.delayLength) {
this.cancel();
}
this.delayLength = delayLength;
this.task = task;
this.scope = scope;
this.args = args;
this.start = new Date().getTime();
if (!this.id) {
this.id = setInterval(this.timeout.bind(this), this.delayLength);
}
},
/**
* Cancels the queued task
*/
cancel: function() {
if (this.id) {
clearInterval(this.id);
this.id = null;
}
}
});
Version data entries
8 entries across 8 versions & 1 rubygems