diff johndyer-mediaelement-13fa20a/src/js/me-plugindetector.js @ 0:032bc65ebafc

added core components

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/johndyer-mediaelement-13fa20a/src/js/me-plugindetector.js	Wed Mar 06 15:45:48 2013 +0000
@@ -0,0 +1,102 @@
+
+// Core detector, plugins are added below
+mejs.PluginDetector = {
+
+	// main public function to test a plug version number PluginDetector.hasPluginVersion('flash',[9,0,125]);
+	hasPluginVersion: function(plugin, v) {
+		var pv = this.plugins[plugin];
+		v[1] = v[1] || 0;
+		v[2] = v[2] || 0;
+		return (pv[0] > v[0] || (pv[0] == v[0] && pv[1] > v[1]) || (pv[0] == v[0] && pv[1] == v[1] && pv[2] >= v[2])) ? true : false;
+	},
+
+	// cached values
+	nav: window.navigator,
+	ua: window.navigator.userAgent.toLowerCase(),
+
+	// stored version numbers
+	plugins: [],
+
+	// runs detectPlugin() and stores the version number
+	addPlugin: function(p, pluginName, mimeType, activeX, axDetect) {
+		this.plugins[p] = this.detectPlugin(pluginName, mimeType, activeX, axDetect);
+	},
+
+	// get the version number from the mimetype (all but IE) or ActiveX (IE)
+	detectPlugin: function(pluginName, mimeType, activeX, axDetect) {
+
+		var version = [0,0,0],
+			description,
+			i,
+			ax;
+
+		// Firefox, Webkit, Opera
+		if (typeof(this.nav.plugins) != 'undefined' && typeof this.nav.plugins[pluginName] == 'object') {
+			description = this.nav.plugins[pluginName].description;
+			if (description && !(typeof this.nav.mimeTypes != 'undefined' && this.nav.mimeTypes[mimeType] && !this.nav.mimeTypes[mimeType].enabledPlugin)) {
+				version = description.replace(pluginName, '').replace(/^\s+/,'').replace(/\sr/gi,'.').split('.');
+				for (i=0; i<version.length; i++) {
+					version[i] = parseInt(version[i].match(/\d+/), 10);
+				}
+			}
+		// Internet Explorer / ActiveX
+		} else if (typeof(window.ActiveXObject) != 'undefined') {
+			try {
+				ax = new ActiveXObject(activeX);
+				if (ax) {
+					version = axDetect(ax);
+				}
+			}
+			catch (e) { }
+		}
+		return version;
+	}
+};
+
+// Add Flash detection
+mejs.PluginDetector.addPlugin('flash','Shockwave Flash','application/x-shockwave-flash','ShockwaveFlash.ShockwaveFlash', function(ax) {
+	// adapted from SWFObject
+	var version = [],
+		d = ax.GetVariable("$version");
+	if (d) {
+		d = d.split(" ")[1].split(",");
+		version = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
+	}
+	return version;
+});
+
+// Add Silverlight detection
+mejs.PluginDetector.addPlugin('silverlight','Silverlight Plug-In','application/x-silverlight-2','AgControl.AgControl', function (ax) {
+	// Silverlight cannot report its version number to IE
+	// but it does have a isVersionSupported function, so we have to loop through it to get a version number.
+	// adapted from http://www.silverlightversion.com/
+	var v = [0,0,0,0],
+		loopMatch = function(ax, v, i, n) {
+			while(ax.isVersionSupported(v[0]+ "."+ v[1] + "." + v[2] + "." + v[3])){
+				v[i]+=n;
+			}
+			v[i] -= n;
+		};
+	loopMatch(ax, v, 0, 1);
+	loopMatch(ax, v, 1, 1);
+	loopMatch(ax, v, 2, 10000); // the third place in the version number is usually 5 digits (4.0.xxxxx)
+	loopMatch(ax, v, 2, 1000);
+	loopMatch(ax, v, 2, 100);
+	loopMatch(ax, v, 2, 10);
+	loopMatch(ax, v, 2, 1);
+	loopMatch(ax, v, 3, 1);
+
+	return v;
+});
+// add adobe acrobat
+/*
+PluginDetector.addPlugin('acrobat','Adobe Acrobat','application/pdf','AcroPDF.PDF', function (ax) {
+	var version = [],
+		d = ax.GetVersions().split(',')[0].split('=')[1].split('.');
+
+	if (d) {
+		version = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
+	}
+	return version;
+});
+*/
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