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Contents
// ==========================================================================
// Project: SC.Statechart - A Statechart Framework for SproutCore
// Copyright: ©2010, 2011 Michael Cohen, and contributors.
// Portions @2011 Apple Inc. All rights reserved.
// License: Licensed under MIT license (see license.js)
// ==========================================================================
/*globals SC */
/**
@class
Represents a call that is intended to be asynchronous. This is
used during a state transition process when either entering or
exiting a state.
@extends SC.Object
@author Michael Cohen
*/
SC.Async = SC.Object.extend(
/** @scope SC.Async.prototype */{
func: null,
arg1: null,
arg2: null,
/** @private
Called by the statechart
*/
tryToPerform: function(state) {
var func = this.get('func'),
arg1 = this.get('arg1'),
arg2 = this.get('arg2'),
funcType = SC.typeOf(func);
if (funcType === SC.T_STRING) {
state.tryToPerform(func, arg1, arg2);
}
else if (funcType === SC.T_FUNCTION) {
func.apply(state, [arg1, arg2]);
}
}
});
/**
Singleton
*/
SC.Async.mixin(/** @scope SC.Async */{
/**
Call in either a state's enterState or exitState method when you
want a state to perform an asynchronous action, such as an animation.
Examples:
SC.State.extend({
enterState: function() {
return SC.Async.perform('foo');
},
exitState: function() {
return SC.Async.perform('bar', 100);
}
foo: function() { ... },
bar: function(arg) { ... }
});
@param func {String|Function} the function to be invoked on a state
@param arg1 Optional. An argument to pass to the given function
@param arg2 Optional. An argument to pass to the given function
@return {SC.Async} a new instance of a SC.Async
*/
perform: function(func, arg1, arg2) {
return SC.Async.create({ func: func, arg1: arg1, arg2: arg2 });
}
});
Version data entries
17 entries across 17 versions & 1 rubygems