dd37de2de7
git-svn-id: https://develop.svn.wordpress.org/trunk@6659 602fd350-edb4-49c9-b593-d223f7449a82
103 lines
3.6 KiB
JavaScript
103 lines
3.6 KiB
JavaScript
/*
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DocumentReady Plug-in
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This plugin loads SWFUpload as soon as the document is ready. You should not load SWFUpload inside window.onload using this plugin.
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You can also chain other functions by calling SWFUpload.DocumentReady(your function).
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Warning: Embedded Ads or other scripts that overwrite window.onload or use their own document ready functions may interfer with this plugin. You
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should not set window.onload when using this plugin.
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Usage Example:
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var swfu = new SWFUpload(your settings object);
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SWFUpload.DocumentReady(function () { alert('Document Ready!'; });
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*/
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var SWFUpload;
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if (typeof(SWFUpload) === "function") {
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// Override iniSWFUpload so SWFUpload gets inited when the document is ready rather than immediately
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SWFUpload.prototype.initSWFUpload = function (old_initSWFUpload) {
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return function (init_settings) {
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var self = this;
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if (typeof(old_initSWFUpload) === "function") {
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SWFUpload.DocumentReady(function () {
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old_initSWFUpload.call(self, init_settings);
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});
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}
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}
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}(SWFUpload.prototype.initSWFUpload);
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// The DocumentReady function adds the passed in function to
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// the functions that will be executed when the document is ready/loaded
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SWFUpload.DocumentReady = function (fn) {
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// Add the function to the chain
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SWFUpload.DocumentReady.InternalOnloadChain = function (previous_link_fn) {
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return function () {
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if (typeof(previous_link_fn) === "function") {
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previous_link_fn();
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}
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fn();
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};
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}(SWFUpload.DocumentReady.InternalOnloadChain);
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};
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SWFUpload.DocumentReady.InternalOnloadChain = null;
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SWFUpload.DocumentReady.Onload = function () {
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// Execute the onload function chain
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if (typeof(SWFUpload.DocumentReady.InternalOnloadChain) === "function") {
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SWFUpload.DocumentReady.InternalOnloadChain();
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}
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};
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SWFUpload.DocumentReady.SetupComplete = false;
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/* ********************************************
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This portion of the code gets executed as soon it is loaded.
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It binds the proper event for executing JavaScript is
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early as possible. This is a per browser function and so
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some browser sniffing is used.
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This solution still has the "exposed" issue (See the Global Delegation section at http://peter.michaux.ca/article/553 )
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Base solution from http://dean.edwards.name/weblog/2006/06/again/ and http://dean.edwards.name/weblog/2005/09/busted/
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******************************************** */
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if (!SWFUpload.DocumentReady.SetupComplete) {
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// for Internet Explorer (using conditional comments)
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/*@cc_on @*/
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/*@if (@_win32)
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document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
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var script = document.getElementById("__ie_onload");
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script.onreadystatechange = function() {
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if (this.readyState == "complete") {
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SWFUpload.DocumentReady.Onload(); // call the onload handler
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}
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};
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SWFUpload.DocumentReady.SetupComplete = true;
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/*@end @*/
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}
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if (!SWFUpload.DocumentReady.SetupComplete && /WebKit/i.test(navigator.userAgent)) { // sniff
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var _timer = setInterval(function() {
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if (/loaded|complete/.test(document.readyState)) {
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clearInterval(_timer);
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SWFUpload.DocumentReady.Onload(); // call the onload handler
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}
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}, 10);
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SWFUpload.DocumentReady.SetupComplete = true;
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}
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/* for Mozilla */
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if (!SWFUpload.DocumentReady.SetupComplete && document.addEventListener) {
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document.addEventListener("DOMContentLoaded", SWFUpload.DocumentReady.Onload, false);
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SWFUpload.DocumentReady.SetupComplete = true;
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}
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/* for other browsers */
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if (!SWFUpload.DocumentReady.SetupComplete) {
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window.onload = SWFUpload.DocumentReady.Onload;
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SWFUpload.DocumentReady.SetupComplete = true;
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}
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}
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