Flash Player Version Detection (abobe 的 flash “自动激活”代码)

//v1.7
// Flash Player Version Detection
// Detect Client Browser type
// Copyright 2005-2007 Adobe Systems Incorporated.  All rights reserved.
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion()
{
 var version;
 var axo;
 var e;

 // NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

 try {
  // version will be set for 7.X or greater players
  axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
  version = axo.GetVariable("$version");
 } catch (e) {
 }

 if (!version)
 {
  try {
   // version will be set for 6.X players only
   axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
   
   // installed player is some revision of 6.0
   // GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
   // so we have to be careful.
   
   // default to the first public version
   version = "WIN 6,0,21,0";

   // throws if AllowScripAccess does not exist (introduced in 6.0r47)  
   axo.AllowScriptAccess = "always";

   // safe to call for 6.0r47 or greater
   version = axo.GetVariable("$version");

  } catch (e) {
  }
 }

 if (!version)
 {
  try {
   // version will be set for 4.X or 5.X player
   axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
   version = axo.GetVariable("$version");
  } catch (e) {
  }
 }

 if (!version)
 {
  try {
   // version will be set for 3.X player
   axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
   version = "WIN 3,0,18,0";
  } catch (e) {
  }
 }

 if (!version)
 {
  try {
   // version will be set for 2.X player
   axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
   version = "WIN 2,0,0,11";
  } catch (e) {
   version = -1;
  }
 }
 
 return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
 // NS/Opera version >= 3 check for Flash plugin in plugin array
 var flashVer = -1;
 
 if (navigator.plugins != null && navigator.plugins.length > 0) {
  if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
   var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
   var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
   var descArray = flashDescription.split(" ");
   var tempArrayMajor = descArray[2].split(".");   
   var versionMajor = tempArrayMajor[0];
   var versionMinor = tempArrayMajor[1];
   var versionRevision = descArray[3];
   if (versionRevision == "") {
    versionRevision = descArray[4];
   }
   if (versionRevision[0] == "d") {
    versionRevision = versionRevision.substring(1);
   } else if (versionRevision[0] == "r") {
    versionRevision = versionRevision.substring(1);
    if (versionRevision.indexOf("d") > 0) {
     versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
    }
   }
   var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
  }
 }
 // MSN/WebTV 2.6 supports Flash 4
 else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
 // WebTV 2.5 supports Flash 3
 else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
 // older WebTV supports Flash 2
 else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
 else if ( isIE && isWin && !isOpera ) {
  flashVer = ControlVersion();
 } 
 return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
 versionStr = GetSwfVer();
 if (versionStr == -1 ) {
  return false;
 } else if (versionStr != 0) {
  if(isIE && isWin && !isOpera) {
   // Given "WIN 2,0,0,11"
   tempArray         = versionStr.split(" ");  // ["WIN", "2,0,0,11"]
   tempString        = tempArray[1];   // "2,0,0,11"
   versionArray      = tempString.split(","); // ['2', '0', '0', '11']
  } else {
   versionArray      = versionStr.split(".");
  }
  var versionMajor      = versionArray[0];
  var versionMinor      = versionArray[1];
  var versionRevision   = versionArray[2];

         // is the major.revision >= requested major.revision AND the minor version >= requested minor
  if (versionMajor > parseFloat(reqMajorVer)) {
   return true;
  } else if (versionMajor == parseFloat(reqMajorVer)) {
   if (versionMinor > parseFloat(reqMinorVer))
    return true;
   else if (versionMinor == parseFloat(reqMinorVer)) {
    if (versionRevision >= parseFloat(reqRevision))
     return true;
   }
  }
  return false;
 }
}

function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?');
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs)
{
  var str = '';
  if (isIE && isWin && !isOpera)
  {
    str += '<object ';
    for (var i in objAttrs)
    {
      str += i + '="' + objAttrs[i] + '" ';
    }
    str += '>';
    for (var i in params)
    {
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    }
    str += '</object>';
  }
  else
  {
    str += '<embed ';
    for (var i in embedAttrs)
    {
      str += i + '="' + embedAttrs[i] + '" ';
    }
    str += '> </embed>';
  }

  document.write(str);
}

function AC_FL_RunContent(){
  var ret =
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent(){
  var ret =
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();   

    switch (currArg){ 
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie": 
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblClick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace":
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}

 

 

/*

 安装了flash cs3之后发现   程序发布静态页面的时候  已经自动生成了一个这个js文件  在同一级文件夹中了

HTML页面：

<script type="text/javascript">
AC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0','width','1004','height','154','src','aaaa','quality','high','pluginspage','http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash','movie','aa' ); //end AC code
</script>

<noscript><object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0" width="1004" height="154">
      <param name="movie" value="aa.swf" />
      <param name="quality" value="high" />
      <embed src="aaaa.swf" quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="1004" height="154"></embed>
    </object></noscript>

*/