git.pond.sub.org Git - eow/blob - static/dojo-release-1.1.1/dojox/av/_base/quicktime.js

   1 if(!dojo._hasResource["dojox.av._base.quicktime"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
   2 dojo._hasResource["dojox.av._base.quicktime"] = true;
   3 dojo.provide("dojox.av._base.quicktime");
   4
   5 (function(){
   6         /*******************************************************
   7                 dojox.av.quicktime
   8
   9                 Base functionality to insert a QuickTime movie
  10                 into a document on the fly.
  11          ******************************************************/
  12
  13         var qtMarkup, qtVersion, installed, __def__={
  14                 width: 320,
  15                 height: 240,
  16                 redirect: null,
  17                 params: []
  18         };
  19         var keyBase="dojox-av-quicktime-", keyCount=0;
  20
  21         //      reference to the test movie we will use for getting QT info from the browser.
  22         var testMovieUrl=dojo.moduleUrl("dojox", "av/resources/version.mov");
  23
  24         //      *** private methods *********************************************************
  25         function prep(kwArgs){
  26                 kwArgs = dojo.mixin(dojo.clone(__def__), kwArgs || {});
  27                 if(!("path" in kwArgs)){
  28                         console.error("dojox.av._base.quicktime(ctor):: no path reference to a QuickTime movie was provided.");
  29                         return null;
  30                 }
  31                 if(!("id" in kwArgs)){
  32                         kwArgs.id=(keyBase + keyCount++);
  33                 }
  34                 return kwArgs;
  35         }
  36
  37         var getQTMarkup = 'This content requires the <a href="http://www.apple.com/quicktime/download/" title="Download and install QuickTime.">QuickTime plugin</a>.';
  38         if(dojo.isIE){
  39                 installed = (function(){
  40                         try{
  41                                 var o = new ActiveXObject("QuickTimeCheckObject.QuickTimeCheck.1");
  42                                 if(o!==undefined){
  43                                         return o.IsQuickTimeAvailable(0);
  44                                 }
  45                         } catch(e){ }
  46                         return false;
  47                 })();
  48
  49                 qtMarkup = function(kwArgs){
  50                         if(!installed){ return { id: null, markup: getQTMarkup }; }
  51
  52                         kwArgs = prep(kwArgs);
  53                         if(!kwArgs){ return null; }
  54                         var s = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" '
  55                                 + 'codebase="http://www.apple.com/qtactivex/qtplugin.cab#version=6,0,2,0" '
  56                                 + 'id="' + kwArgs.id + '" '
  57                                 + 'width="' + kwArgs.width + '" '
  58                                 + 'height="' + kwArgs.height + '">'
  59                                 + '<param name="src" value="' + kwArgs.path + '" />';
  60                         for(var i=0, l=kwArgs.params.length; i<l; i++){
  61                                 s += '<param name="' + kwArgs.params[i].key + '" value="' + kwArgs.params[i].value + '" />';
  62                         }
  63                         s += '</object>';
  64                         return { id: kwArgs.id, markup: s };
  65                 }
  66         } else {
  67                 installed = (function(){
  68                         for(var i=0, l=navigator.plugins.length; i<l; i++){
  69                                 if(navigator.plugins[i].name.indexOf("QuickTime")>-1){
  70                                         return true;
  71                                 }
  72                         }
  73                         return false;
  74                 })();
  75
  76                 qtMarkup = function(kwArgs){
  77                         if(!installed){ return { id: null, markup: getQTMarkup }; }
  78
  79                         kwArgs = prep(kwArgs);
  80                         if(!kwArgs){ return null; }
  81                         var s = '<embed type="video/quicktime" src="' + kwArgs.path + '" '
  82                                 + 'id="' + kwArgs.id + '" '
  83                                 + 'name="' + kwArgs.id + '" '
  84                                 + 'pluginspage="www.apple.com/quicktime/download" '
  85                                 + 'enablejavascript="true" '
  86                                 + 'width="' + kwArgs.width + '" '
  87                                 + 'height="' + kwArgs.height + '"';
  88                         for(var i=0, l=kwArgs.params.length; i<l; i++){
  89                                 s += ' ' + kwArgs.params[i].key + '="' + kwArgs.params[i].value + '"';
  90                         }
  91                         s += '></embed>';
  92                         return { id: kwArgs.id, markup: s };
  93                 }
  94         }
  95
  96         qtVersion = { major: 0, minor: 0, rev: 0 };
  97
  98         // *** This is an offical kludge, but it seems to work everywhere.  Sigh. *************************
  99         dojo.addOnLoad(function(){
 100                 var n = document.createElement("div");
 101                 n.style.cssText = "top:0;left:0;width:1px;height:1px;overflow:hidden;position:absolute;";
 102                 var o = qtMarkup({ path: testMovieUrl, width:4, height:4 });
 103
 104                 document.body.appendChild(n);
 105                 n.innerHTML = o.markup;
 106                 var qt = (dojo.isIE) ? dojo.byId(o.id) : document[o.id];
 107
 108                 //      Let Safari and IE have a moment to init the QT object before trying to query it.
 109                 setTimeout(function(){
 110                         var v = [ 0, 0, 0 ];
 111                         if(qt){
 112                                 try {
 113                                         v = qt.GetQuickTimeVersion().split(".");
 114                                         qtVersion = { major: parseInt(v[0]||0), minor: parseInt(v[1]||0), rev: parseInt(v[2]||0) };
 115                                 } catch(e){
 116                                         qtVersion = { major: 0, minor: 0, rev: 0 };
 117                                 }
 118                         }
 119
 120                         dojox.av.quicktime.supported = v[0];
 121                         dojox.av.quicktime.version = qtVersion;
 122                         if(dojox.av.quicktime.supported){
 123                                 dojox.av.quicktime.onInitialize();
 124                         }
 125
 126                         //      fricking IE.  gonna end up leaving the movie in the doc, for some
 127                         //              reason getting an unspecified error when trying to remove it.
 128                         if(!dojo.isIE){
 129                                 document.body.removeChild(n);
 130                         } else {
 131                                 //      move it out of the way.
 132                                 n.style.top = "-10000px";
 133                                 n.style.visibility="hidden";
 134                         }
 135                 }, 10);
 136         });
 137
 138         //      *** The public interface. ****************************************************************
 139         dojox.av.quicktime={
 140                 minSupported: 6,
 141                 available: installed,
 142                 supported: installed,
 143                 version: qtVersion,
 144                 initialized: false,
 145                 onInitialize: function(){ dojox.av.quicktime.initialized = true; },     //      stub function to let you know when this is ready
 146
 147                 place: function(/* DOMElement */node, /* Object */kwArgs){
 148                         node = dojo.byId(node);
 149                         var o = qtMarkup(kwArgs);
 150                         if(o){
 151                                 node.innerHTML = o.markup;
 152                                 if(o.id){
 153                                         return (dojo.isIE)? dojo.byId(o.id) : document[o.id];   //      QuickTimeObject
 154                                 }
 155                         }
 156                         return null;    //      QuickTimeObject
 157                 }
 158         };
 159 })();
 160
 161 }