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;
}

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：

posted @ 2008-06-26 14:37 zhangsir 阅读(1179) 评论(0) 编辑收藏举报

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

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