E questo è lo script AC_QuickTime.js:
/*
File: AC_QuickTime.js
Abstract: This file contains functions to generate OBJECT and EMBED tags for QuickTime content.
Version: <1.1>
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Copyright © 2006 Apple Computer, Inc., All Rights Reserved
*/
/*
* This file contains functions to generate OBJECT and EMBED tags for QuickTime content.
*/
/************** LOCALIZABLE GLOBAL VARIABLES ****************/
var gArgCountErr = 'The "%%" function requires an even number of arguments.'
+ '\nArguments should be in the form "atttributeName", "attributeValue", ...';
/******************** END LOCALIZABLE **********************/
var gTagAttrs = null;
var gQTGeneratorVersion = 1.0;
function AC_QuickTimeVersion() { return gQTGeneratorVersion; }
function _QTComplain(callingFcnName, errMsg)
{
errMsg = errMsg.replace("%%", callingFcnName);
alert(errMsg);
}
function _QTAddAttribute(prefix, slotName, tagName)
{
var value;
value = gTagAttrs[prefix + slotName];
if ( null == value )
value = gTagAttrs[slotName];
if ( null != value )
{
if ( 0 == slotName.indexOf(prefix) && (null == tagName) )
tagName = slotName.substring(prefix.length);
if ( null == tagName )
tagName = slotName;
return '' + tagName + '="' + value + '"';
}
else
return "";
}
function _QTAddObjectAttr(slotName, tagName)
{
// don't bother if it is only for the embed tag
if ( 0 == slotName.indexOf("emb#") )
return "";
if ( 0 == slotName.indexOf("obj#") && (null == tagName) )
tagName = slotName.substring(4);
return _QTAddAttribute("obj#", slotName, tagName);
}
function _QTAddEmbedAttr(slotName, tagName)
{
// don't bother if it is only for the object tag
if ( 0 == slotName.indexOf("obj#") )
return "";
if ( 0 == slotName.indexOf("emb#") && (null == tagName) )
tagName = slotName.substring(4);
return _QTAddAttribute("emb#", slotName, tagName);
}
function _QTAddObjectParam(slotName, generateXHTML)
{
var paramValue;
var paramStr = "";
var endTagChar = (generateXHTML) ? ' />' : '>';
if ( -1 == slotName.indexOf("emb#") )
{
// look for the OBJECT-only param first. if there is none, look for a generic one
paramValue = gTagAttrs["obj#" + slotName];
if ( null == paramValue )
paramValue = gTagAttrs[slotName];
if ( 0 == slotName.indexOf("obj#") )
slotName = slotName.substring(4);
if ( null != paramValue )
paramStr = '<param name="' + slotName + '" value="' + paramValue + '"' + endTagChar;
}
return paramStr;
}
function _QTDeleteTagAttrs()
{
for ( var ndx = 0; ndx < arguments.length; ndx++ )
{
var attrName = arguments[ndx];
delete gTagAttrs[attrName];
delete gTagAttrs["emb#" + attrName];
delete gTagAttrs["obj#" + attrName];
}
}
// generate an embed and object tag, return as a string
function _QTGenerate(callingFcnName, generateXHTML, args)
{
// is the number of optional arguments even?
if ( args.length < 4 || (0 != (args.length % 2)) )
{
_QTComplain(callingFcnName, gArgCountErr);
return "";
}
// allocate an array, fill in the required attributes with fixed place params and defaults
gTagAttrs = new Object();
gTagAttrs["src"] = args[0];
gTagAttrs["width"] = args[1];
gTagAttrs["height"] = args[2];
gTagAttrs["classid"] = "clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B";
//Impportant note: It is recommended that you use this exact classid in order to ensure a seamless experience for all viewers
gTagAttrs["pluginspage"] = "http://www.apple.com/quicktime/download/";
// set up codebase attribute with specified or default version before parsing args so
// anything passed in will override
var activexVers = args[3]
if ( (null == activexVers) || ("" == activexVers) )
activexVers = "6,0,2,0";
gTagAttrs["codebase"] = "http://www.apple.com/qtactivex/qtplugin.cab#version=" + activexVers;
var attrName,
attrValue;
// add all of the optional attributes to the array
for ( var ndx = 4; ndx < args.length; ndx += 2)
{
attrName = args[ndx].toLowerCase();
attrValue = args[ndx + 1];
// "name" and "id" should have the same value, the former goes in the embed and the later goes in
// the object. use one array slot
if ( "name" == attrName || "id" == attrName )
gTagAttrs["name"] = attrValue;
else
gTagAttrs[attrName] = attrValue;
}
// init both tags with the required and "special" attributes
var objTag = '<object '
+ _QTAddObjectAttr("classid")
+ _QTAddObjectAttr("width")
+ _QTAddObjectAttr("height")
+ _QTAddObjectAttr("codebase")
+ _QTAddObjectAttr("name", "id")
+ _QTAddObjectAttr("tabindex")
+ _QTAddObjectAttr("hspace")
+ _QTAddObjectAttr("vspace")
+ _QTAddObjectAttr("border")
+ _QTAddObjectAttr("align")
+ _QTAddObjectAttr("class")
+ _QTAddObjectAttr("title")
+ _QTAddObjectAttr("accesskey")
+ _QTAddObjectAttr("noexternaldata")
+ '>'
+ _QTAddObjectParam("src", generateXHTML);
var embedTag = '<embed '
+ _QTAddEmbedAttr("src")
+ _QTAddEmbedAttr("width")
+ _QTAddEmbedAttr("height")
+ _QTAddEmbedAttr("pluginspage")
+ _QTAddEmbedAttr("name")
+ _QTAddEmbedAttr("align")
+ _QTAddEmbedAttr("tabindex");
// delete the attributes/params we have already added
_QTDeleteTagAttrs("src","width","height","pluginspage","classid","codebase","name","tabindex",
"hspace","vspace","border","align","noexternaldata","class","title","accesskey");
// and finally, add all of the remaining attributes to the embed and object
for ( var attrName in gTagAttrs )
{
attrValue = gTagAttrs[attrName];
if ( null != attrValue )
{
embedTag += _QTAddEmbedAttr(attrName);
objTag += _QTAddObjectParam(attrName, generateXHTML);
}
}
// end both tags, we're done
return objTag + embedTag + '></em' + 'bed></ob' + 'ject' + '>';
}
// return the object/embed as a string
function QT_GenerateOBJECTText()
{
return _QTGenerate("QT_GenerateOBJECTText", false, arguments);
}
function QT_GenerateOBJECTText_XHTML()
{
return _QTGenerate("QT_GenerateOBJECTText_XHTML", true, arguments);
}
function QT_WriteOBJECT()
{
document.writeln(_QTGenerate("QT_WriteOBJECT", false, arguments));
}
function QT_WriteOBJECT_XHTML()
{
document.writeln(_QTGenerate("QT_WriteOBJECT_XHTML", true, arguments));
}
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