examples/image-organizer/SWFUpload/plugins/swfupload.swfobject.js

   1 /*!
   2  * Ext JS Library 3.2.2
   3  * Copyright(c) 2006-2010 Ext JS, Inc.
   4  * licensing@extjs.com
   5  * http://www.extjs.com/license
   6  */
   7 /*
   8         SWFUpload.SWFObject Plugin
   9
  10         Summary:
  11                 This plugin uses SWFObject to embed SWFUpload dynamically in the page.  SWFObject provides accurate Flash Player detection and DOM Ready loading.
  12                 This plugin replaces the Graceful Degradation plugin.
  13
  14         Features:
  15                 * swfupload_load_failed_hander event
  16                 * swfupload_pre_load_handler event
  17                 * minimum_flash_version setting (default: "9.0.28")
  18                 * SWFUpload.onload event for early loading
  19
  20         Usage:
  21                 Provide handlers and settings as needed.  When using the SWFUpload.SWFObject plugin you should initialize SWFUploading
  22                 in SWFUpload.onload rather than in window.onload.  When initialized this way SWFUpload can load earlier preventing the UI flicker
  23                 that was seen using the Graceful Degradation plugin.
  24
  25                 <script type="text/javascript">
  26                         var swfu;
  27                         SWFUpload.onload = function () {
  28                                 swfu = new SWFUpload({
  29                                         minimum_flash_version: "9.0.28",
  30                                         swfupload_pre_load_handler: swfuploadPreLoad,
  31                                         swfupload_load_failed_handler: swfuploadLoadFailed
  32                                 });
  33                         };
  34                 </script>
  35
  36         Notes:
  37                 You must provide set minimum_flash_version setting to "8" if you are using SWFUpload for Flash Player 8.
  38                 The swfuploadLoadFailed event is only fired if the minimum version of Flash Player is not met.  Other issues such as missing SWF files, browser bugs
  39                  or corrupt Flash Player installations will not trigger this event.
  40                 The swfuploadPreLoad event is fired as soon as the minimum version of Flash Player is found.  It does not wait for SWFUpload to load and can
  41                  be used to prepare the SWFUploadUI and hide alternate content.
  42                 swfobject's onDomReady event is cross-browser safe but will default to the window.onload event when DOMReady is not supported by the browser.
  43                  Early DOM Loading is supported in major modern browsers but cannot be guaranteed for every browser ever made.
  44 */
  45
  46
  47 /* SWFObject v2.1 <http://code.google.com/p/swfobject/>
  48         Copyright (c) 2007-2008 Geoff Stearns, Michael Williams, and Bobby van der Sluis
  49         This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
  50 */
  51 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  52
  53
  54
  55 var SWFUpload;
  56 if (typeof(SWFUpload) === "function") {
  57         SWFUpload.onload = function () {};
  58
  59         swfobject.addDomLoadEvent(function () {
  60                 if (typeof(SWFUpload.onload) === "function") {
  61                         SWFUpload.onload.call(window);
  62                 }
  63         });
  64
  65         SWFUpload.prototype.initSettings = (function (oldInitSettings) {
  66                 return function () {
  67                         if (typeof(oldInitSettings) === "function") {
  68                                 oldInitSettings.call(this);
  69                         }
  70
  71                         this.ensureDefault = function (settingName, defaultValue) {
  72                                 this.settings[settingName] = (this.settings[settingName] == undefined) ? defaultValue : this.settings[settingName];
  73                         };
  74
  75                         this.ensureDefault("minimum_flash_version", "9.0.28");
  76                         this.ensureDefault("swfupload_pre_load_handler", null);
  77                         this.ensureDefault("swfupload_load_failed_handler", null);
  78
  79                         delete this.ensureDefault;
  80
  81                 };
  82         })(SWFUpload.prototype.initSettings);
  83
  84
  85         SWFUpload.prototype.loadFlash = function (oldLoadFlash) {
  86                 return function () {
  87                         var hasFlash = swfobject.hasFlashPlayerVersion(this.settings.minimum_flash_version);
  88
  89                         if (hasFlash) {
  90                                 this.queueEvent("swfupload_pre_load_handler");
  91                                 if (typeof(oldLoadFlash) === "function") {
  92                                         oldLoadFlash.call(this);
  93                                 }
  94                         } else {
  95                                 this.queueEvent("swfupload_load_failed_handler");
  96                         }
  97                 };
  98
  99         }(SWFUpload.prototype.loadFlash);
 100
 101         SWFUpload.prototype.displayDebugInfo = function (oldDisplayDebugInfo) {
 102                 return function () {
 103                         if (typeof(oldDisplayDebugInfo) === "function") {
 104                                 oldDisplayDebugInfo.call(this);
 105                         }
 106
 107                         this.debug(
 108                                 [
 109                                         "SWFUpload.SWFObject Plugin settings:", "\n",
 110                                         "\t", "minimum_flash_version:                      ", this.settings.minimum_flash_version, "\n",
 111                                         "\t", "swfupload_pre_load_handler assigned:     ", (typeof(this.settings.swfupload_pre_load_handler) === "function").toString(), "\n",
 112                                         "\t", "swfupload_load_failed_handler assigned:     ", (typeof(this.settings.swfupload_load_failed_handler) === "function").toString(), "\n",
 113                                 ].join("")
 114                         );
 115                 };
 116         }(SWFUpload.prototype.displayDebugInfo);
 117 }