swfobject_modified.js

Flex+js获取文件本地路径,调用file获得本地文件路径

/*!	SWFObject v2.0 <http://code.google.com/p/swfobject/>
	Copyright (c) 2007 Geoff Stearns, Michael Williams, and Bobby van der Sluis
	This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*/

var swfobject = function() {
	
	var UNDEF = "undefined",
		OBJECT = "object",
		SHOCKWAVE_FLASH = "Shockwave Flash",
		SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
		FLASH_MIME_TYPE = "application/x-shockwave-flash",
		EXPRESS_INSTALL_ID = "SWFObjectExprInst",
		
		win = window,
		doc = document,
		nav = navigator,
		
		domLoadFnArr = [],
		regObjArr = [],
		timer = null,
		storedAltContent = null,
		storedAltContentId = null,
		isDomLoaded = false,
		isExpressInstallActive = false;
	
	/* Centralized function for browser feature detection
		- Proprietary feature detection (conditional compiling) is used to detect Internet Explorer's features
		- User agent string detection is only used when no alternative is possible
		- Is executed directly for optimal performance
	*/	
	var ua = function() {
		var w3cdom = typeof doc.getElementById != UNDEF && typeof doc.getElementsByTagName != UNDEF && typeof doc.createElement != UNDEF && typeof doc.appendChild != UNDEF && typeof doc.replaceChild != UNDEF && typeof doc.removeChild != UNDEF && typeof doc.cloneNode != UNDEF,
			playerVersion = [0,0,0],
			d = null;
		if (typeof nav.plugins != UNDEF && typeof nav.plugins[SHOCKWAVE_FLASH] == OBJECT) {
			d = nav.plugins[SHOCKWAVE_FLASH].description;
			if (d) {
				d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
				playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
				playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
				playerVersion[2] = /r/.test(d) ? parseInt(d.replace(/^.*r(.*)$/, "$1"), 10) : 0;
			}
		}
		else if (typeof win.ActiveXObject != UNDEF) {
			var a = null, fp6Crash = false;
			try {
				a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".7");
			}
			catch(e) {
				try { 
					a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".6");
					playerVersion = [6,0,21];
					a.AllowScriptAccess = "always";  // Introduced in fp6.0.47
				}
				catch(e) {
					if (playerVersion[0] == 6) {
						fp6Crash = true;
					}
				}
				if (!fp6Crash) {
					try {
						a = new ActiveXObject(SHOCKWAVE_FLASH_AX);
					}
					catch(e) {}
				}
			}
			if (!fp6Crash && a) { // a will return null when ActiveX is disabled
				try {
					d = a.GetVariable("$version");  // Will crash fp6.0.21/23/29
					if (d) {
						d = d.split(" ")[1].split(",");
						playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
					}
				}
				catch(e) {}
			}
		}
		var u = nav.userAgent.toLowerCase(),
			p = nav.platform.toLowerCase(),
			webkit = /webkit/.test(u) ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : false, // returns either the webkit version or false if not webkit
			ie = false,
			windows = p ? /win/.test(p) : /win/.test(u),
			mac = p ? /mac/.test(p) : /mac/.test(u);
		/*@cc_on
			ie = true;
			@if (@_win32)
				windows = true;
			@elif (@_mac)
				mac = true;
			@end
		@*/
		return { w3cdom:w3cdom, pv:playerVersion, webkit:webkit, ie:ie, win:windows, mac:mac };
	}();

	/* Cross-browser onDomLoad
		- Based on Dean Edwards' solution: http://dean.edwards.name/weblog/2006/06/again/
		- Will fire an event as soon as the DOM of a page is loaded (supported by Gecko based browsers - like Firefox -, IE, Opera9+, Safari)
	*/ 
	var onDomLoad = function() {
		if (!ua.w3cdom) {
			return;
		}
		addDomLoadEvent(main);
		if (ua.ie && ua.win) {
			try {  // Avoid a possible Operation Aborted error
				doc.write("<scr" + "ipt id=__ie_ondomload defer=true src=//:></scr" + "ipt>"); // String is split into pieces to avoid Norton AV to add code that can cause errors 
				var s = getElementById("__ie_ondomload");
				if (s) {
					s.onreadystatechange = function() {
						if (this.readyState == "complete") {
							this.parentNode.removeChild(this);
							callDomLoadFunctions();
						}
					};
				}
			}
			catch(e) {}
		}
		if (ua.webkit && typeof doc.readyState != UNDEF) {
			timer = setInterval(function() { if (/loaded|complete/.test(doc.readyState)) { callDomLoadFunctions(); }}, 10);
		}
		if (typeof doc.addEventListener != UNDEF) {
			doc.addEventListener("DOMContentLoaded", callDomLoadFunctions, null);
		}
		addLoadEvent(callDomLoadFunctions);
	}();
	
	function callDomLoadFunctions() {
		if (isDomLoaded) {
			return;
		}
		if (ua.ie && ua.win) { // Test if we can really add elements to the DOM; we don't want to fire it too early
			var s = createElement("span");
			try { // Avoid a possible Operation Aborted error
				var t = doc.getElementsByTagName("body")[0].appendChild(s);
				t.parentNode.removeChild(t);
			}
			catch (e) {
				return;
			}
		}
		isDomLoaded = true;
		if (timer) {
			clearInterval(timer);
			timer = null;
		}
		var dl = domLoadFnArr.length;
		for (var i = 0; i < dl; i++) {
			domLoadFnArr[i]();
		}
	}
	
	function addDomLoadEvent(fn) {
		if (isDomLoaded) {
			fn();
		}
		else { 
			domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
		}
	}
	
	/* Cross-browser onload
		- Based on James Edwards' solution: http://brothercake.com/site/resources/scripts/onload/
		- Will fire an event as soon as a web page including all of its assets are loaded 
	 */
	function addLoadEvent(fn) {
		if (typeof win.addEventListener != UNDEF) {
			win.addEventListener("load", fn, false);
		}
		else if (typeof doc.addEventListener != UNDEF) {
			doc.addEventListener("load", fn, false);
		}
		else if (typeof win.attachEvent != UNDEF) {
			win.attachEvent("onload", fn);
		}
		else if (typeof win.onload == "function") {
			var fnOld = win.onload;
			win.onload = function() {
				fnOld();
				fn();
			};
		}
		else {
			win.onload = fn;
		}
	}
	
	/* Main function
		- Will preferably execute onDomLoad, otherwise onload (as a fallback)
	*/
	function main() { // Static publishing only
		var rl = regObjArr.length;
		for (var i = 0; i < rl; i++) { // For each registered object element
			var id = regObjArr[i].id;
			if (ua.pv[0] > 0) {
				var obj = getElementById(id);
				if (obj) {
					regObjArr[i].width = obj.getAttribute("width") ? obj.getAttribute("width") : "0";
					regObjArr[i].height = obj.getAttribute("height") ? obj.getAttribute("height") : "0";
					if (hasPlayerVersion(regObjArr[i].swfVersion)) { // Flash plug-in version >= Flash content version: Houston, we have a match!
						if (ua.webkit && ua.webkit < 312) { // Older webkit engines ignore the object element's nested param elements
							fixParams(obj);
						}
						setVisibility(id, true);
					}
					else if (regObjArr[i].expressInstall && !isExpressInstallActive && hasPlayerVersion("6.0.65") && (ua.win || ua.mac)) { // Show the Adobe Express Install dialog if set by the web page author and if supported (fp6.0.65+ on Win/Mac OS only)
						showExpressInstall(regObjArr[i]);
					}
					else { // Flash plug-in and Flash content version mismatch: display alternative content instead of Flash content
						displayAltContent(obj);
					}
				}
			}
			else {  // If no fp is installed, we let the object element do its job (show alternative content)
				setVisibility(id, true);
			}
		}
	}
	
	/* Fix nested param elements, which are ignored by older webkit engines
		- This includes Safari up to and including version 1.2.2 on Mac OS 10.3
		- Fall back to the proprietary embed element
	*/
	function fixParams(obj) {
		var nestedObj = obj.getElementsByTagName(OBJECT)[0];
		if (nestedObj) {
			var e = createElement("embed"), a = nestedObj.attributes;
			if (a) {
				var al = a.length;
				for (var i = 0; i < al; i++) {
					if (a[i].nodeName.toLowerCase() == "data") {
						e.setAttribute("src", a[i].nodeValue);
					}
					else {
						e.setAttribute(a[i].nodeName, a[i].nodeValue);
					}
				}
			}
			var c = nestedObj.childNodes;
			if (c) {
				var cl = c.length;
				for (var j = 0; j < cl; j++) {
					if (c[j].nodeType == 1 && c[j].nodeName.toLowerCase() == "param") {
						e.setAttribute(c[j].getAttribute("name"), c[j].getAttribute("value"));
					}
				}
			}
			obj.parentNode.replaceChild(e, obj);
		}
	}
	
	/* Fix hanging audio/video threads and force open sockets and NetConnections to disconnect
		- Occurs when unloading a web page in IE using fp8+ and innerHTML/outerHTML
		- Dynamic publishing only
	*/
	function fixObjectLeaks(id) {
		if (ua.ie && ua.win && hasPlayerVersion("8.0.0")) {
			win.attachEvent("onunload", function () {
				var obj = getElementById(id);
				if (obj) {
					for (var i in obj) {
						if (typeof obj[i] == "function") {
							obj[i] = function() {};
						}
					}
					obj.parentNode.removeChild(obj);
				}
			});
		}
	}
	
	/* Show the Adobe Express Install dialog
		- Reference: http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=6a253b75
	*/
	function showExpressInstall(regObj) {
		isExpressInstallActive = true;
		var obj = getElementById(regObj.id);
		if (obj) {
			if (regObj.altContentId) {
				var ac = getElementById(regObj.altContentId);
				if (ac) {
					storedAltContent = ac;
					storedAltContentId = regObj.altContentId;
				}
			}
			else {
				storedAltContent = abstractAltContent(obj);
			}
			if (!(/%$/.test(regObj.width)) && parseInt(regObj.width, 10) < 310) {
				regObj.width = "310";
			}
			if (!(/%$/.test(regObj.height)) && parseInt(regObj.height, 10) < 137) {
				regObj.height = "137";
			}
			doc.title = doc.title.slice(0, 47) + " - Flash Player Installation";
			var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn",
				dt = doc.title,
				fv = "MMredirectURL=" + win.location + "&MMplayerType=" + pt + "&MMdoctitle=" + dt,
				replaceId = regObj.id;
			// For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
			// In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
			if (ua.ie && ua.win && obj.readyState != 4) {
				var newObj = createElement("div");
				replaceId += "SWFObjectNew";
				newObj.setAttribute("id", replaceId);
				obj.parentNode.insertBefore(newObj, obj); // Insert placeholder div that will be replaced by the object element that loads expressinstall.swf
				obj.style.display = "none";
				win.attachEvent("onload", function() { obj.parentNode.removeChild(obj); });
			}
			createSWF({ data:regObj.expressInstall, id:EXPRESS_INSTALL_ID, width:regObj.width, height:regObj.height }, { flashvars:fv }, replaceId);
		}
	}
	
	/* Functions to abstract and display alternative content
	*/
	function displayAltContent(obj) {
		if (ua.ie && ua.win && obj.readyState != 4) {
			// For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
			// In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
			var el = createElement("div");
			obj.parentNode.insertBefore(el, obj); // Insert placeholder div that will be replaced by the alternative content
			el.parentNode.replaceChild(abstractAltContent(obj), el);
			obj.style.display = "none";
			win.attachEvent("onload", function() { obj.parentNode.removeChild(obj); });
		}
		else {
			obj.parentNode.replaceChild(abstractAltContent(obj), obj);
		}
	}	

	function abstractAltContent(obj) {
		var ac = createElement("div");
		if (ua.win && ua.ie) {
			ac.innerHTML = obj.innerHTML;