| 28 | /* |
| 29 | * Functions to generate OBJECT and EMBED tags for Flash content. |
| 30 | * Resource: http://blog.deconcept.com/swfobject/ |
| 31 | * |
| 32 | * SWFObject is (c) 2006 Geoff Stearns and is released under the MIT License: |
| 33 | * http://www.opensource.org/licenses/mit-license.php |
| 34 | */ |
| 36 | if(typeof deconcept == "undefined") var deconcept = new Object(); |
| 37 | if(typeof deconcept.util == "undefined") deconcept.util = new Object(); |
| 38 | if(typeof deconcept.SWFObjectUtil == "undefined") deconcept.SWFObjectUtil = new Object(); |
| 39 | deconcept.SWFObject = function(swf, id, w, h, ver, c, useExpressInstall, quality, xiRedirectUrl, redirectUrl, detectKey){ |
| 40 | if (!document.createElement || !document.getElementById) { return; } |
| 41 | this.DETECT_KEY = detectKey ? detectKey : 'detectflash'; |
| 42 | this.skipDetect = deconcept.util.getRequestParameter(this.DETECT_KEY); |
| 43 | this.params = new Object(); |
| 44 | this.variables = new Object(); |
| 45 | this.attributes = new Array(); |
| 46 | if(swf) { this.setAttribute('swf', swf); } |
| 47 | if(id) { this.setAttribute('id', id); } |
| 48 | if(w) { this.setAttribute('width', w); } |
| 49 | if(h) { this.setAttribute('height', h); } |
| 50 | if(ver) { this.setAttribute('version', new deconcept.PlayerVersion(ver.toString().split("."))); } |
| 51 | this.installedVer = deconcept.SWFObjectUtil.getPlayerVersion(this.getAttribute('version'), useExpressInstall); |
| 52 | if(c) { this.addParam('bgcolor', c); } |
| 53 | var q = quality ? quality : 'high'; |
| 54 | this.addParam('quality', q); |
| 55 | this.setAttribute('useExpressInstall', useExpressInstall); |
| 56 | this.setAttribute('doExpressInstall', false); |
| 57 | var xir = (xiRedirectUrl) ? xiRedirectUrl : window.location; |
| 58 | this.setAttribute('xiRedirectUrl', xir); |
| 59 | this.setAttribute('redirectUrl', ''); |
| 60 | if(redirectUrl) { this.setAttribute('redirectUrl', redirectUrl); } |
| 61 | } |
| 62 | deconcept.SWFObject.prototype = { |
| 63 | setAttribute: function(name, value){ |
| 64 | this.attributes[name] = value; |
| 65 | }, |
| 66 | getAttribute: function(name){ |
| 67 | return this.attributes[name]; |
| 68 | }, |
| 69 | addParam: function(name, value){ |
| 70 | this.params[name] = value; |
| 71 | }, |
| 72 | getParams: function(){ |
| 73 | return this.params; |
| 74 | }, |
| 75 | addVariable: function(name, value){ |
| 76 | this.variables[name] = value; |
| 77 | }, |
| 78 | getVariable: function(name){ |
| 79 | return this.variables[name]; |
| 80 | }, |
| 81 | getVariables: function(){ |
| 82 | return this.variables; |
| 83 | }, |
| 84 | getVariablePairs: function(){ |
| 85 | var variablePairs = new Array(); |
| 86 | var key; |
| 87 | var variables = this.getVariables(); |
| 88 | for(key in variables){ |
| 89 | variablePairs.push(key +"="+ variables[key]); |
| 90 | } |
| 91 | return variablePairs; |
| 92 | }, |
| 93 | getSWFHTML: function() { |
| 94 | var swfNode = ""; |
| 95 | if (navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length) { // netscape plugin architecture |
| 96 | if (this.getAttribute("doExpressInstall")) this.addVariable("MMplayerType", "PlugIn"); |
| 97 | swfNode = '<embed type="application/x-shockwave-flash" src="'+ this.getAttribute('swf') +'" width="'+ this.getAttribute('width') +'" height="'+ this.getAttribute('height') +'"'; |
| 98 | swfNode += ' id="'+ this.getAttribute('id') +'" name="'+ this.getAttribute('id') +'" '; |
| 99 | var params = this.getParams(); |
| 100 | for(var key in params){ swfNode += [key] +'="'+ params[key] +'" '; } |
| 101 | var pairs = this.getVariablePairs().join("&"); |
| 102 | if (pairs.length > 0){ swfNode += 'flashvars="'+ pairs +'"'; } |
| 103 | swfNode += '/>'; |
| 104 | } else { // PC IE |
| 105 | if (this.getAttribute("doExpressInstall")) this.addVariable("MMplayerType", "ActiveX"); |
| 106 | swfNode = '<object id="'+ this.getAttribute('id') +'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+ this.getAttribute('width') +'" height="'+ this.getAttribute('height') +'">'; |
| 107 | swfNode += '<param name="movie" value="'+ this.getAttribute('swf') +'" />'; |
| 108 | var params = this.getParams(); |
| 109 | for(var key in params) { |
| 110 | swfNode += '<param name="'+ key +'" value="'+ params[key] +'" />'; |
| 111 | } |
| 112 | var pairs = this.getVariablePairs().join("&"); |
| 113 | if(pairs.length > 0) {swfNode += '<param name="flashvars" value="'+ pairs +'" />';} |
| 114 | swfNode += "</object>"; |
| 115 | } |
| 116 | return swfNode; |
| 117 | }, |
| 118 | write: function(elementId){ |
| 119 | if(this.getAttribute('useExpressInstall')) { |
| 120 | // check to see if we need to do an express install |
| 121 | var expressInstallReqVer = new deconcept.PlayerVersion([6,0,65]); |
| 122 | if (this.installedVer.versionIsValid(expressInstallReqVer) && !this.installedVer.versionIsValid(this.getAttribute('version'))) { |
| 123 | this.setAttribute('doExpressInstall', true); |
| 124 | this.addVariable("MMredirectURL", escape(this.getAttribute('xiRedirectUrl'))); |
| 125 | document.title = document.title.slice(0, 47) + " - Flash Player Installation"; |
| 126 | this.addVariable("MMdoctitle", document.title); |
| 127 | } |
| 128 | } |
| 129 | if(this.skipDetect || this.getAttribute('doExpressInstall') || this.installedVer.versionIsValid(this.getAttribute('version'))){ |
| 130 | var n = (typeof elementId == 'string') ? document.getElementById(elementId) : elementId; |
| 131 | n.innerHTML = this.getSWFHTML(); |
| 132 | return true; |
| 133 | }else{ |
| 134 | if(this.getAttribute('redirectUrl') != "") { |
| 135 | document.location.replace(this.getAttribute('redirectUrl')); |
| 136 | } |
| 137 | } |
| 138 | return false; |
| 139 | } |
| 140 | } |
| 142 | /* ---- detection functions ---- */ |
| 143 | deconcept.SWFObjectUtil.getPlayerVersion = function(reqVer, xiInstall){ |
| 144 | var PlayerVersion = new deconcept.PlayerVersion([0,0,0]); |
| 145 | if(navigator.plugins && navigator.mimeTypes.length){ |
| 146 | var x = navigator.plugins["Shockwave Flash"]; |
| 147 | if(x && x.description) { |
| 148 | PlayerVersion = new deconcept.PlayerVersion(x.description.replace(/([a-z]|[A-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".").split(".")); |
| 149 | } |
| 150 | }else{ |
| 151 | try{ |
| 152 | var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"); |
| 153 | for (var i=3; axo!=null; i++) { |
| 154 | axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+i); |
| 155 | PlayerVersion = new deconcept.PlayerVersion([i,0,0]); |
| 156 | } |
| 157 | }catch(e){} |
| 158 | if (reqVer && PlayerVersion.major > reqVer.major) return PlayerVersion; // version is ok, skip minor detection |
| 159 | // this only does the minor rev lookup if the user's major version |
| 160 | // is not 6 or we are checking for a specific minor or revision number |
| 161 | // see http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/ |
| 162 | if (!reqVer || ((reqVer.minor != 0 || reqVer.rev != 0) && PlayerVersion.major == reqVer.major) || PlayerVersion.major != 6 || xiInstall) { |
| 163 | try{ |
| 164 | PlayerVersion = new deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(",")); |
| 165 | }catch(e){} |
| 166 | } |
| 167 | } |
| 168 | return PlayerVersion; |
| 169 | } |
| 170 | deconcept.PlayerVersion = function(arrVersion){ |
| 171 | this.major = parseInt(arrVersion[0]) != null ? parseInt(arrVersion[0]) : 0; |
| 172 | this.minor = parseInt(arrVersion[1]) || 0; |
| 173 | this.rev = parseInt(arrVersion[2]) || 0; |
| 174 | } |
| 175 | deconcept.PlayerVersion.prototype.versionIsValid = function(fv){ |
| 176 | if(this.major < fv.major) return false; |
| 177 | if(this.major > fv.major) return true; |
| 178 | if(this.minor < fv.minor) return false; |
| 179 | if(this.minor > fv.minor) return true; |
| 180 | if(this.rev < fv.rev) return false; |
| 181 | return true; |
| 182 | } |
| 183 | /* ---- get value of query string param ---- */ |
| 184 | deconcept.util = { |
| 185 | getRequestParameter: function(param){ |
| 186 | var q = document.location.search || document.location.hash; |
| 187 | if(q){ |
| 188 | var startIndex = q.indexOf(param +"="); |
| 189 | var endIndex = (q.indexOf("&", startIndex) > -1) ? q.indexOf("&", startIndex) : q.length; |
| 190 | if (q.length > 1 && startIndex > -1) { |
| 191 | return q.substring(q.indexOf("=", startIndex)+1, endIndex); |
| 192 | } |
| 193 | } |
| 194 | return ""; |
| 195 | } |
| 196 | } |
| 197 | /* fix for video streaming bug */ |
| 198 | deconcept.SWFObjectUtil.cleanupSWFs = function() { |
| 199 | var objects = document.getElementsByTagName("OBJECT"); |
| 200 | for (var i=0; i < objects.length; i++) { |
| 201 | for (var x in objects[i]) { |
| 202 | if (typeof objects[i][x] == 'function') { |
| 203 | objects[i][x] = null; |
| 204 | } |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | if (typeof window.onunload == 'function') { |
| 209 | var oldunload = window.onunload; |
| 210 | window.onunload = function() { |
| 211 | deconcept.SWFObjectUtil.cleanupSWFs(); |
| 212 | oldunload(); |
| 213 | } |
| 214 | } else { |
| 215 | window.onunload = deconcept.SWFObjectUtil.cleanupSWFs; |
| 216 | } |
| 217 | /* add Array.push if needed (ie5) */ |
| 218 | if (Array.prototype.push == null) { Array.prototype.push = function(item) { this[this.length] = item; return this.length; }} |
| 220 | /* add some aliases for ease of use/backwards compatibility */ |
| 221 | var getQueryParamValue = deconcept.util.getRequestParameter; |
| 222 | var FlashObject = deconcept.SWFObject; // for legacy support |
| 223 | var SWFObject = deconcept.SWFObject; |
| 229 | /* |
| 230 | * Functions to generate OBJECT and EMBED tags for QuickTime content. |
| 231 | * Resource: http://developer.apple.com/internet/ieembedfix.html |
| 232 | */ |
| 234 | /************** LOCALIZABLE GLOBAL VARIABLES ****************/ |
| 236 | var gArgCountErr = 'The "%%" function requires an even number of arguments.' |
| 237 | + '\nArguments should be in the form "atttributeName", "attributeValue", ...'; |
| 239 | /******************** END LOCALIZABLE **********************/ |
| 241 | var gTagAttrs = null; |
| 242 | var gQTGeneratorVersion = 1.0; |
| 244 | function AC_QuickTimeVersion() { return gQTGeneratorVersion; } |
| 246 | function _QTComplain(callingFcnName, errMsg) |
| 247 | { |
| 248 | errMsg = errMsg.replace("%%", callingFcnName); |
| 249 | alert(errMsg); |
| 250 | } |
| 252 | function _QTAddAttribute(prefix, slotName, tagName) |
| 253 | { |
| 254 | var value; |
| 256 | value = gTagAttrs[prefix + slotName]; |
| 257 | if ( null == value ) |
| 258 | value = gTagAttrs[slotName]; |
| 260 | if ( null != value ) |
| 261 | { |
| 262 | if ( 0 == slotName.indexOf(prefix) && (null == tagName) ) |
| 263 | tagName = slotName.substring(prefix.length); |
| 264 | if ( null == tagName ) |
| 265 | tagName = slotName; |
| 266 | return tagName + '="' + value + '" '; |
| 267 | } |
| 268 | else |
| 269 | return ""; |
| 270 | } |
| 272 | function _QTAddObjectAttr(slotName, tagName) |
| 273 | { |
| 274 | // don't bother if it is only for the embed tag |
| 275 | if ( 0 == slotName.indexOf("emb#") ) |
| 276 | return ""; |
| 278 | if ( 0 == slotName.indexOf("obj#") && (null == tagName) ) |
| 279 | tagName = slotName.substring(4); |
| 281 | return _QTAddAttribute("obj#", slotName, tagName); |
| 282 | } |
| 284 | function _QTAddEmbedAttr(slotName, tagName) |
| 285 | { |
| 286 | // don't bother if it is only for the object tag |
| 287 | if ( 0 == slotName.indexOf("obj#") ) |
| 288 | return ""; |
| 290 | if ( 0 == slotName.indexOf("emb#") && (null == tagName) ) |
| 291 | tagName = slotName.substring(4); |
| 293 | return _QTAddAttribute("emb#", slotName, tagName); |
| 294 | } |
| 297 | function _QTAddObjectParam(slotName, generateXHTML) |
| 298 | { |
| 299 | var paramValue; |
| 300 | var paramStr = ""; |
| 301 | var endTagChar = (generateXHTML) ? ' />' : '>'; |
| 303 | if ( -1 == slotName.indexOf("emb#") ) |
| 304 | { |
| 305 | // look for the OBJECT-only param first. if there is none, look for a generic one |
| 306 | paramValue = gTagAttrs["obj#" + slotName]; |
| 307 | if ( null == paramValue ) |
| 308 | paramValue = gTagAttrs[slotName]; |
| 310 | if ( 0 == slotName.indexOf("obj#") ) |
| 311 | slotName = slotName.substring(4); |
| 312 | |
| 313 | if ( null != paramValue ) |
| 314 | paramStr = ' <param name="' + slotName + '" value="' + paramValue + '"' + endTagChar + '\n'; |
| 315 | } |
| 317 | return paramStr; |
| 318 | } |
| 320 | function _QTDeleteTagAttrs() |
| 321 | { |
| 322 | for ( var ndx = 0; ndx < arguments.length; ndx++ ) |
| 323 | { |
| 324 | var attrName = arguments[ndx]; |
| 325 | delete gTagAttrs[attrName]; |
| 326 | delete gTagAttrs["emb#" + attrName]; |
| 327 | delete gTagAttrs["obj#" + attrName]; |
| 328 | } |
| 329 | } |
| 331 | |
| 333 | // generate an embed and object tag, return as a string |
| 334 | function _QTGenerate(callingFcnName, generateXHTML, args) |
| 335 | { |
| 336 | // is the number of optional arguments even? |
| 337 | if ( args.length < 4 || (0 != (args.length % 2)) ) |
| 338 | { |
| 339 | _QTComplain(callingFcnName, gArgCountErr); |
| 340 | return ""; |
| 341 | } |
| 342 | |
| 343 | // allocate an array, fill in the required attributes with fixed place params and defaults |
| 344 | gTagAttrs = new Array(); |
| 345 | gTagAttrs["src"] = args[0]; |
| 346 | gTagAttrs["width"] = args[1]; |
| 347 | gTagAttrs["height"] = args[2]; |
| 348 | gTagAttrs["classid"] = "clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"; |
| 349 | gTagAttrs["pluginspage"] = "http://www.apple.com/quicktime/download/"; |
| 351 | // set up codebase attribute with specified or default version before parsing args so |
| 352 | // anything passed in will override |
| 353 | var activexVers = args[3] |
| 354 | if ( (null == activexVers) || ("" == activexVers) ) |
| 355 | activexVers = "6,0,2,0"; |
| 356 | gTagAttrs["codebase"] = "http://www.apple.com/qtactivex/qtplugin.cab#version=" + activexVers; |
| 358 | var attrName, |
| 359 | attrValue; |
| 361 | // add all of the optional attributes to the array |
| 362 | for ( var ndx = 4; ndx < args.length; ndx += 2) |
| 363 | { |
| 364 | attrName = args[ndx].toLowerCase(); |
| 365 | attrValue = args[ndx + 1]; |
| 367 | // "name" and "id" should have the same value, the former goes in the embed and the later goes in |
| 368 | // the object. use one array slot |
| 369 | if ( "name" == attrName || "id" == attrName ) |
| 370 | gTagAttrs["name"] = attrValue; |
| 372 | else |
| 373 | gTagAttrs[attrName] = attrValue; |
| 374 | } |
| 376 | // init both tags with the required and "special" attributes |
| 377 | var objTag = '<object ' |
| 378 | + _QTAddObjectAttr("classid") |
| 379 | + _QTAddObjectAttr("width") |
| 380 | + _QTAddObjectAttr("height") |
| 381 | + _QTAddObjectAttr("codebase") |
| 382 | + _QTAddObjectAttr("name", "id") |
| 383 | + _QTAddObjectAttr("tabindex") |
| 384 | + _QTAddObjectAttr("hspace") |
| 385 | + _QTAddObjectAttr("vspace") |
| 386 | + _QTAddObjectAttr("border") |
| 387 | + _QTAddObjectAttr("align") |
| 388 | + _QTAddObjectAttr("class") |
| 389 | + _QTAddObjectAttr("title") |
| 390 | + _QTAddObjectAttr("accesskey") |
| 391 | + _QTAddObjectAttr("noexternaldata") |
| 392 | + '>\n' |
| 393 | + _QTAddObjectParam("src", generateXHTML); |
| 394 | var embedTag = ' <embed ' |
| 395 | + _QTAddEmbedAttr("src") |
| 396 | + _QTAddEmbedAttr("width") |
| 397 | + _QTAddEmbedAttr("height") |
| 398 | + _QTAddEmbedAttr("pluginspage") |
| 399 | + _QTAddEmbedAttr("name") |
| 400 | + _QTAddEmbedAttr("align") |
| 401 | + _QTAddEmbedAttr("tabindex"); |
| 403 | // delete the attributes/params we have already added |
| 404 | _QTDeleteTagAttrs("src","width","height","pluginspage","classid","codebase","name","tabindex", |
| 405 | "hspace","vspace","border","align","noexternaldata","class","title","accesskey"); |
| 407 | // and finally, add all of the remaining attributes to the embed and object |
| 408 | for ( var attrName in gTagAttrs ) |
| 409 | { |
| 410 | attrValue = gTagAttrs[attrName]; |
| 411 | if ( null != attrValue ) |
| 412 | { |
| 413 | embedTag += _QTAddEmbedAttr(attrName); |
| 414 | objTag += _QTAddObjectParam(attrName, generateXHTML); |
| 415 | } |
| 416 | } |
| 418 | // end both tags, we're done |
| 419 | return objTag + embedTag + '> </em' + 'bed>\n</ob' + 'ject' + '>'; |
| 420 | } |
| 422 | // return the object/embed as a string |
| 423 | function QT_GenerateOBJECTText() |
| 424 | { |
| 425 | return _QTGenerate("QT_GenerateOBJECTText", false, arguments); |
| 426 | } |
| 428 | function QT_GenerateOBJECTText_XHTML() |
| 429 | { |
| 430 | return _QTGenerate("QT_GenerateOBJECTText_XHTML", true, arguments); |
| 431 | } |
| 433 | function QT_WriteOBJECT() |
| 434 | { |
| 435 | document.writeln(_QTGenerate("QT_WriteOBJECT", false, arguments)); |
| 436 | } |
| 438 | function QT_WriteOBJECT_XHTML() |
| 439 | { |
| 440 | document.writeln(_QTGenerate("QT_WriteOBJECT_XHTML", true, arguments)); |
| 441 | } |