swfdetect.js revision 6a3b0b33a4f747b96bbc28cf9554e06d0c5a1d32
/**
* Utility for Flash version detection
* @module swfdetect
*/
// shortcuts
var version = 0,
uA = Y.UA,
lG = Y.Lang,
sF = "ShockwaveFlash",
mF, eP, vS, ax6, ax;
function makeInt(n) {
return parseInt(n, 10);
}
function parseFlashVersion (flashVer) {
if (lG.isNumber(makeInt(flashVer[0]))) {
uA.flashMajor = flashVer[0];
}
if (lG.isNumber(makeInt(flashVer[1]))) {
uA.flashMinor = flashVer[1];
}
if (lG.isNumber(makeInt(flashVer[2]))) {
uA.flashRev = flashVer[2];
}
}
if (uA.gecko || uA.webkit || uA.opera) {
if ((mF = navigator.mimeTypes['application/x-shockwave-flash'])) {
if ((eP = mF.enabledPlugin)) {
vS = eP.description.replace(/\s[rd]/g, '.').replace(/[A-Za-z\s]+/g, '').split('.');
Y.log(vS[0]);
parseFlashVersion(vS);
}
}
}
else if(uA.ie) {
try
{
ax6 = new ActiveXObject(sF + "." + sF + ".6");
ax6.AllowScriptAccess = "always";
}
catch (e)
{
if(ax6 !== null)
{
version = 6.0;
}
}
if (version === 0) {
try
{
ax = new ActiveXObject(sF + "." + sF);
vS = ax.GetVariable("$version").replace(/[A-Za-z\s]+/g, '').split(',');
parseFlashVersion(vS);
} catch (e2) {}
}
}
Y.SWFDetect = {
/**
* Returns the version of either the Flash Player plugin (in Mozilla/WebKit/Opera browsers),
* or the Flash Player ActiveX control (in IE), as a String of the form "MM.mm.rr", where
* MM is the major version, mm is the minor version, and rr is the revision.
* @method getFlashVersion
*/
getFlashVersion : function () {
return (String(uA.flashMajor) + "." + String(uA.flashMinor) + "." + String(uA.flashRev));
},
/**
* Checks whether the version of the Flash player installed on the user's machine is greater
* than or equal to the one specified. If it is, this method returns true; it is false otherwise.
* @method isFlashVersionAtLeast
* @return {Boolean} Whether the Flash player version is greater than or equal to the one specified.
* @param flashMajor {int} The Major version of the Flash player to compare against.
* @param flashMinor {int} The Minor version of the Flash player to compare against.
* @param flashRev {int} The Revision version of the Flash player to compare against.
*/
isFlashVersionAtLeast : function (flashMajor, flashMinor, flashRev) {
var uaMajor = makeInt(uA.flashMajor),
uaMinor = makeInt(uA.flashMinor),
uaRev = makeInt(uA.flashRev);
flashMajor = makeInt(flashMajor || 0);
flashMinor = makeInt(flashMinor || 0);
flashRev = makeInt(flashRev || 0);
if (flashMajor === uaMajor) {
if (flashMinor === uaMinor) {
return flashRev <= uaRev;
}
return flashMinor < uaMinor;
}
return flashMajor < uaMajor;
}
};