137 lines
3.6 KiB
JavaScript
137 lines
3.6 KiB
JavaScript
define("dojo/ready", ["./_base/kernel", "./has", "require", "./domReady", "./_base/lang"], function(dojo, has, require, domReady, lang){
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// module:
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// dojo/ready
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// note:
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// This module should be unnecessary in dojo 2.0
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var
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// truthy if DOMContentLoaded or better (e.g., window.onload fired) has been achieved
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isDomReady = 0,
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// a function to call to cause onLoad to be called when all requested modules have been loaded
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requestCompleteSignal,
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// The queue of functions waiting to execute as soon as dojo.ready conditions satisfied
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loadQ = [],
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// prevent recursion in onLoad
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onLoadRecursiveGuard = 0,
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handleDomReady = function(){
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isDomReady = 1;
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dojo._postLoad = dojo.config.afterOnLoad = true;
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if(loadQ.length){
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requestCompleteSignal(onLoad);
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}
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},
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// run the next function queued with dojo.ready
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onLoad = function(){
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if(isDomReady && !onLoadRecursiveGuard && loadQ.length){
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//guard against recursions into this function
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onLoadRecursiveGuard = 1;
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var f = loadQ.shift();
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try{
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f();
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}
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// FIXME: signal the error via require.on
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finally{
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onLoadRecursiveGuard = 0;
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}
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onLoadRecursiveGuard = 0;
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if(loadQ.length){
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requestCompleteSignal(onLoad);
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}
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}
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};
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require.on("idle", onLoad);
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requestCompleteSignal = function(){
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if(require.idle()){
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onLoad();
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} // else do nothing, onLoad will be called with the next idle signal
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};
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var ready = dojo.ready = dojo.addOnLoad = function(priority, context, callback){
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// summary:
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// Add a function to execute on DOM content loaded and all requested modules have arrived and been evaluated.
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// In most cases, the `domReady` plug-in should suffice and this method should not be needed.
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// priority: Integer?
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// The order in which to exec this callback relative to other callbacks, defaults to 1000
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// context: Object?|Function
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// The context in which to run execute callback, or a callback if not using context
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// callback: Function?
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// The function to execute.
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//
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// example:
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// Simple DOM and Modules ready syntax
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// | require(["dojo/ready"], function(ready){
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// | ready(function(){ alert("Dom ready!"); });
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// | });
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//
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// example:
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// Using a priority
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// | require(["dojo/ready"], function(ready){
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// | ready(2, function(){ alert("low priority ready!"); })
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// | });
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//
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// example:
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// Using context
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// | require(["dojo/ready"], function(ready){
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// | ready(foo, function(){
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// | // in here, this == foo
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// | });
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// | });
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//
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// example:
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// Using dojo/hitch style args:
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// | require(["dojo/ready"], function(ready){
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// | var foo = { dojoReady: function(){ console.warn(this, "dojo dom and modules ready."); } };
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// | ready(foo, "dojoReady");
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// | });
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var hitchArgs = lang._toArray(arguments);
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if(typeof priority != "number"){
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callback = context;
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context = priority;
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priority = 1000;
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}else{
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hitchArgs.shift();
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}
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callback = callback ?
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lang.hitch.apply(dojo, hitchArgs) :
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function(){
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context();
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};
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callback.priority = priority;
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for(var i = 0; i < loadQ.length && priority >= loadQ[i].priority; i++){}
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loadQ.splice(i, 0, callback);
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requestCompleteSignal();
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};
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1 || has.add("dojo-config-addOnLoad", 1);
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if( 1 ){
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var dca = dojo.config.addOnLoad;
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if(dca){
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ready[(lang.isArray(dca) ? "apply" : "call")](dojo, dca);
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}
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}
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if( 1 && dojo.config.parseOnLoad && !dojo.isAsync){
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ready(99, function(){
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if(!dojo.parser){
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dojo.deprecated("Add explicit require(['dojo/parser']);", "", "2.0");
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require(["dojo/parser"]);
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}
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});
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}
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if( 1 ){
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domReady(handleDomReady);
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}else{
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handleDomReady();
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}
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return ready;
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});
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