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third_party/polymer/components/webcomponentsjs/HTMLImports.js

 /**
  * @license
  * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
  * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
  * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
  * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
  * Code distributed by Google as part of the polymer project is also
  * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
  */
-// @version 0.7.22
+// @version 0.6.1
 if (typeof WeakMap === "undefined") {
   (function() {
     var defineProperty = Object.defineProperty;
     var counter = Date.now() % 1e9;
     var WeakMap = function() {
       this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
     };
     WeakMap.prototype = {
       set: function(key, value) {
         var entry = key[this.name];
@@ skipping 17 matching lines @@
         var entry = key[this.name];
         if (!entry) return false;
         return entry[0] === key;
       }
     };
     window.WeakMap = WeakMap;
   })();
 }
 
 (function(global) {
-  if (global.JsMutationObserver) {
-    return;
-  }
   var registrationsTable = new WeakMap();
   var setImmediate;
   if (/Trident|Edge/.test(navigator.userAgent)) {
     setImmediate = setTimeout;
   } else if (window.setImmediate) {
     setImmediate = window.setImmediate;
   } else {
     var setImmediateQueue = [];
     var sentinel = String(Math.random());
     window.addEventListener("message", function(e) {
@@ skipping 275 matching lines @@
         record.nextSibling = nextSibling;
         forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) {
           if (!options.childList) return;
           return record;
         });
       }
       clearRecords();
     }
   };
   global.JsMutationObserver = JsMutationObserver;
-  if (!global.MutationObserver) {
-    global.MutationObserver = JsMutationObserver;
-    JsMutationObserver._isPolyfilled = true;
-  }
-})(self);
-
-(function(scope) {
-  "use strict";
-  if (!window.performance) {
-    var start = Date.now();
-    window.performance = {
-      now: function() {
-        return Date.now() - start;
-      }
-    };
-  }
-  if (!window.requestAnimationFrame) {
-    window.requestAnimationFrame = function() {
-      var nativeRaf = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
-      return nativeRaf ? function(callback) {
-        return nativeRaf(function() {
-          callback(performance.now());
-        });
-      } : function(callback) {
-        return window.setTimeout(callback, 1e3 / 60);
-      };
-    }();
-  }
-  if (!window.cancelAnimationFrame) {
-    window.cancelAnimationFrame = function() {
-      return window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || function(id) {
-        clearTimeout(id);
-      };
-    }();
-  }
-  var workingDefaultPrevented = function() {
-    var e = document.createEvent("Event");
-    e.initEvent("foo", true, true);
-    e.preventDefault();
-    return e.defaultPrevented;
-  }();
-  if (!workingDefaultPrevented) {
-    var origPreventDefault = Event.prototype.preventDefault;
-    Event.prototype.preventDefault = function() {
-      if (!this.cancelable) {
-        return;
-      }
-      origPreventDefault.call(this);
-      Object.defineProperty(this, "defaultPrevented", {
-        get: function() {
-          return true;
-        },
-        configurable: true
-      });
-    };
-  }
-  var isIE = /Trident/.test(navigator.userAgent);
-  if (!window.CustomEvent || isIE && typeof window.CustomEvent !== "function") {
-    window.CustomEvent = function(inType, params) {
-      params = params || {};
-      var e = document.createEvent("CustomEvent");
-      e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail);
-      return e;
-    };
-    window.CustomEvent.prototype = window.Event.prototype;
-  }
-  if (!window.Event || isIE && typeof window.Event !== "function") {
-    var origEvent = window.Event;
-    window.Event = function(inType, params) {
-      params = params || {};
-      var e = document.createEvent("Event");
-      e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable));
-      return e;
-    };
-    window.Event.prototype = origEvent.prototype;
-  }
-})(window.WebComponents);
+  if (!global.MutationObserver) global.MutationObserver = JsMutationObserver;
+})(this);
 
 window.HTMLImports = window.HTMLImports || {
   flags: {}
 };
 
 (function(scope) {
   var IMPORT_LINK_TYPE = "import";
   var useNative = Boolean(IMPORT_LINK_TYPE in document.createElement("link"));
   var hasShadowDOMPolyfill = Boolean(window.ShadowDOMPolyfill);
   var wrap = function(node) {
-    return hasShadowDOMPolyfill ? window.ShadowDOMPolyfill.wrapIfNeeded(node) : node;
+    return hasShadowDOMPolyfill ? ShadowDOMPolyfill.wrapIfNeeded(node) : node;
   };
   var rootDocument = wrap(document);
   var currentScriptDescriptor = {
     get: function() {
-      var script = window.HTMLImports.currentScript || document.currentScript || (document.readyState !== "complete" ? document.scripts[document.scripts.length - 1] : null);
+      var script = HTMLImports.currentScript || document.currentScript || (document.readyState !== "complete" ? document.scripts[document.scripts.length - 1] : null);
       return wrap(script);
     },
     configurable: true
   };
   Object.defineProperty(document, "_currentScript", currentScriptDescriptor);
   Object.defineProperty(rootDocument, "_currentScript", currentScriptDescriptor);
-  var isIE = /Trident/.test(navigator.userAgent);
+  var isIE = /Trident|Edge/.test(navigator.userAgent);
   function whenReady(callback, doc) {
     doc = doc || rootDocument;
     whenDocumentReady(function() {
       watchImportsLoad(callback, doc);
     }, doc);
   }
   var requiredReadyState = isIE ? "complete" : "interactive";
   var READY_EVENT = "readystatechange";
   function isDocumentReady(doc) {
     return doc.readyState === "complete" || doc.readyState === requiredReadyState;
@@ skipping 33 matching lines @@
       checkDone();
     }
     function errorLoadingImport(e) {
       errorImports.push(this);
       parsedCount++;
       checkDone();
     }
     if (importCount) {
       for (var i = 0, imp; i < importCount && (imp = imports[i]); i++) {
         if (isImportLoaded(imp)) {
-          newImports.push(this);
           parsedCount++;
           checkDone();
         } else {
           imp.addEventListener("load", loadedImport);
           imp.addEventListener("error", errorLoadingImport);
         }
       }
     } else {
       checkDone();
     }
@@ skipping 35 matching lines @@
     (function() {
       if (document.readyState === "loading") {
         var imports = document.querySelectorAll("link[rel=import]");
         for (var i = 0, l = imports.length, imp; i < l && (imp = imports[i]); i++) {
           handleImport(imp);
         }
       }
     })();
   }
   whenReady(function(detail) {
-    window.HTMLImports.ready = true;
-    window.HTMLImports.readyTime = new Date().getTime();
+    HTMLImports.ready = true;
+    HTMLImports.readyTime = new Date().getTime();
     var evt = rootDocument.createEvent("CustomEvent");
     evt.initCustomEvent("HTMLImportsLoaded", true, true, detail);
     rootDocument.dispatchEvent(evt);
   });
   scope.IMPORT_LINK_TYPE = IMPORT_LINK_TYPE;
   scope.useNative = useNative;
   scope.rootDocument = rootDocument;
   scope.whenReady = whenReady;
   scope.isIE = isIE;
-})(window.HTMLImports);
+})(HTMLImports);
 
 (function(scope) {
   var modules = [];
   var addModule = function(module) {
     modules.push(module);
   };
   var initializeModules = function() {
     modules.forEach(function(module) {
       module(scope);
     });
   };
   scope.addModule = addModule;
   scope.initializeModules = initializeModules;
-})(window.HTMLImports);
+})(HTMLImports);
 
-window.HTMLImports.addModule(function(scope) {
+HTMLImports.addModule(function(scope) {
   var CSS_URL_REGEXP = /(url\()([^)]*)(\))/g;
   var CSS_IMPORT_REGEXP = /(@import[\s]+(?!url\())([^;]*)(;)/g;
   var path = {
     resolveUrlsInStyle: function(style, linkUrl) {
       var doc = style.ownerDocument;
       var resolver = doc.createElement("a");
       style.textContent = this.resolveUrlsInCssText(style.textContent, linkUrl, resolver);
       return style;
     },
     resolveUrlsInCssText: function(cssText, linkUrl, urlObj) {
       var r = this.replaceUrls(cssText, urlObj, linkUrl, CSS_URL_REGEXP);
       r = this.replaceUrls(r, urlObj, linkUrl, CSS_IMPORT_REGEXP);
       return r;
     },
     replaceUrls: function(text, urlObj, linkUrl, regexp) {
       return text.replace(regexp, function(m, pre, url, post) {
         var urlPath = url.replace(/["']/g, "");
         if (linkUrl) {
           urlPath = new URL(urlPath, linkUrl).href;
         }
         urlObj.href = urlPath;
         urlPath = urlObj.href;
         return pre + "'" + urlPath + "'" + post;
       });
     }
   };
   scope.path = path;
 });
 
-window.HTMLImports.addModule(function(scope) {
+HTMLImports.addModule(function(scope) {
   var xhr = {
     async: true,
     ok: function(request) {
       return request.status >= 200 && request.status < 300 || request.status === 304 || request.status === 0;
     },
     load: function(url, next, nextContext) {
       var request = new XMLHttpRequest();
       if (scope.flags.debug || scope.flags.bust) {
         url += "?" + Math.random();
       }
       request.open("GET", url, xhr.async);
       request.addEventListener("readystatechange", function(e) {
         if (request.readyState === 4) {
+          var locationHeader = request.getResponseHeader("Location");
           var redirectedUrl = null;
-          try {
-            var locationHeader = request.getResponseHeader("Location");
-            if (locationHeader) {
-              redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader;
-            }
-          } catch (e) {
-            console.error(e.message);
+          if (locationHeader) {
+            var redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader;
           }
           next.call(nextContext, !xhr.ok(request) && request, request.response || request.responseText, redirectedUrl);
         }
       });
       request.send();
       return request;
     },
     loadDocument: function(url, next, nextContext) {
       this.load(url, next, nextContext).responseType = "document";
     }
   };
   scope.xhr = xhr;
 });
 
-window.HTMLImports.addModule(function(scope) {
+HTMLImports.addModule(function(scope) {
   var xhr = scope.xhr;
   var flags = scope.flags;
   var Loader = function(onLoad, onComplete) {
     this.cache = {};
     this.onload = onLoad;
     this.oncomplete = onComplete;
     this.inflight = 0;
     this.pending = {};
   };
   Loader.prototype = {
@@ skipping 72 matching lines @@
     },
     checkDone: function() {
       if (!this.inflight) {
         this.oncomplete();
       }
     }
   };
   scope.Loader = Loader;
 });
 
-window.HTMLImports.addModule(function(scope) {
+HTMLImports.addModule(function(scope) {
   var Observer = function(addCallback) {
     this.addCallback = addCallback;
     this.mo = new MutationObserver(this.handler.bind(this));
   };
   Observer.prototype = {
     handler: function(mutations) {
       for (var i = 0, l = mutations.length, m; i < l && (m = mutations[i]); i++) {
         if (m.type === "childList" && m.addedNodes.length) {
           this.addedNodes(m.addedNodes);
         }
@@ skipping 12 matching lines @@
     observe: function(root) {
       this.mo.observe(root, {
         childList: true,
         subtree: true
       });
     }
   };
   scope.Observer = Observer;
 });
 
-window.HTMLImports.addModule(function(scope) {
+HTMLImports.addModule(function(scope) {
   var path = scope.path;
   var rootDocument = scope.rootDocument;
   var flags = scope.flags;
   var isIE = scope.isIE;
   var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
   var IMPORT_SELECTOR = "link[rel=" + IMPORT_LINK_TYPE + "]";
   var importParser = {
     documentSelectors: IMPORT_SELECTOR,
-    importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]:not([type])", "style:not([type])", "script:not([type])", 'script[type="application/javascript"]', 'script[type="text/javascript"]' ].join(","),
+    importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]", "style", "script:not([type])", 'script[type="text/javascript"]' ].join(","),
     map: {
       link: "parseLink",
       script: "parseScript",
       style: "parseStyle"
     },
     dynamicElements: [],
     parseNext: function() {
       var next = this.nextToParse();
       if (next) {
         this.parse(next);
@@ skipping 30 matching lines @@
       this.parsingElement = null;
       flags.parse && console.log("completed", elt);
     },
     markDynamicParsingComplete: function(elt) {
       var i = this.dynamicElements.indexOf(elt);
       if (i >= 0) {
         this.dynamicElements.splice(i, 1);
       }
     },
     parseImport: function(elt) {
-      elt.import = elt.__doc;
-      if (window.HTMLImports.__importsParsingHook) {
-        window.HTMLImports.__importsParsingHook(elt);
+      if (HTMLImports.__importsParsingHook) {
+        HTMLImports.__importsParsingHook(elt);
       }
       if (elt.import) {
         elt.import.__importParsed = true;
       }
       this.markParsingComplete(elt);
       if (elt.__resource && !elt.__error) {
         elt.dispatchEvent(new CustomEvent("load", {
           bubbles: false
         }));
       } else {
@@ skipping 40 matching lines @@
       }
       return n;
     },
     addElementToDocument: function(elt) {
       var port = this.rootImportForElement(elt.__importElement || elt);
       port.parentNode.insertBefore(elt, port);
     },
     trackElement: function(elt, callback) {
       var self = this;
       var done = function(e) {
-        elt.removeEventListener("load", done);
-        elt.removeEventListener("error", done);
         if (callback) {
           callback(e);
         }
         self.markParsingComplete(elt);
         self.parseNext();
       };
       elt.addEventListener("load", done);
       elt.addEventListener("error", done);
       if (isIE && elt.localName === "style") {
         var fakeLoad = false;
         if (elt.textContent.indexOf("@import") == -1) {
           fakeLoad = true;
         } else if (elt.sheet) {
           fakeLoad = true;
           var csr = elt.sheet.cssRules;
           var len = csr ? csr.length : 0;
           for (var i = 0, r; i < len && (r = csr[i]); i++) {
             if (r.type === CSSRule.IMPORT_RULE) {
               fakeLoad = fakeLoad && Boolean(r.styleSheet);
             }
           }
         }
         if (fakeLoad) {
-          setTimeout(function() {
-            elt.dispatchEvent(new CustomEvent("load", {
-              bubbles: false
-            }));
-          });
+          elt.dispatchEvent(new CustomEvent("load", {
+            bubbles: false
+          }));
         }
       }
     },
     parseScript: function(scriptElt) {
       var script = document.createElement("script");
       script.__importElement = scriptElt;
       script.src = scriptElt.src ? scriptElt.src : generateScriptDataUrl(scriptElt);
       scope.currentScript = scriptElt;
       this.trackElement(script, function(e) {
-        if (script.parentNode) {
-          script.parentNode.removeChild(script);
-        }
+        script.parentNode.removeChild(script);
         scope.currentScript = null;
       });
       this.addElementToDocument(script);
     },
     nextToParse: function() {
       this._mayParse = [];
       return !this.parsingElement && (this.nextToParseInDoc(rootDocument) || this.nextToParseDynamic());
     },
     nextToParseInDoc: function(doc, link) {
       if (doc && this._mayParse.indexOf(doc) < 0) {
         this._mayParse.push(doc);
         var nodes = doc.querySelectorAll(this.parseSelectorsForNode(doc));
-        for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
+        for (var i = 0, l = nodes.length, p = 0, n; i < l && (n = nodes[i]); i++) {
           if (!this.isParsed(n)) {
             if (this.hasResource(n)) {
-              return nodeIsImport(n) ? this.nextToParseInDoc(n.__doc, n) : n;
+              return nodeIsImport(n) ? this.nextToParseInDoc(n.import, n) : n;
             } else {
               return;
             }
           }
         }
       }
       return link;
     },
     nextToParseDynamic: function() {
       return this.dynamicElements[0];
     },
     parseSelectorsForNode: function(node) {
       var doc = node.ownerDocument || node;
       return doc === rootDocument ? this.documentSelectors : this.importsSelectors;
     },
     isParsed: function(node) {
       return node.__importParsed;
     },
     needsDynamicParsing: function(elt) {
       return this.dynamicElements.indexOf(elt) >= 0;
     },
     hasResource: function(node) {
-      if (nodeIsImport(node) && node.__doc === undefined) {
+      if (nodeIsImport(node) && node.import === undefined) {
         return false;
       }
       return true;
     }
   };
   function nodeIsImport(elt) {
     return elt.localName === "link" && elt.rel === IMPORT_LINK_TYPE;
   }
   function generateScriptDataUrl(script) {
     var scriptContent = generateScriptContent(script);
@@ skipping 13 matching lines @@
   function cloneStyle(style) {
     var clone = style.ownerDocument.createElement("style");
     clone.textContent = style.textContent;
     path.resolveUrlsInStyle(clone);
     return clone;
   }
   scope.parser = importParser;
   scope.IMPORT_SELECTOR = IMPORT_SELECTOR;
 });
 
-window.HTMLImports.addModule(function(scope) {
+HTMLImports.addModule(function(scope) {
   var flags = scope.flags;
   var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
   var IMPORT_SELECTOR = scope.IMPORT_SELECTOR;
   var rootDocument = scope.rootDocument;
   var Loader = scope.Loader;
   var Observer = scope.Observer;
   var parser = scope.parser;
   var importer = {
     documents: {},
     documentPreloadSelectors: IMPORT_SELECTOR,
@@ skipping 19 matching lines @@
       if (isImportLink(elt)) {
         var doc = this.documents[url];
         if (doc === undefined) {
           doc = err ? null : makeDocument(resource, redirectedUrl || url);
           if (doc) {
             doc.__importLink = elt;
             this.bootDocument(doc);
           }
           this.documents[url] = doc;
         }
-        elt.__doc = doc;
+        elt.import = doc;
       }
       parser.parseNext();
     },
     bootDocument: function(doc) {
       this.loadSubtree(doc);
       this.observer.observe(doc);
       parser.parseNext();
     },
     loadedAll: function() {
       parser.parseNext();
@@ skipping 38 matching lines @@
       },
       configurable: true
     };
     Object.defineProperty(document, "baseURI", baseURIDescriptor);
     Object.defineProperty(rootDocument, "baseURI", baseURIDescriptor);
   }
   scope.importer = importer;
   scope.importLoader = importLoader;
 });
 
-window.HTMLImports.addModule(function(scope) {
+HTMLImports.addModule(function(scope) {
   var parser = scope.parser;
   var importer = scope.importer;
   var dynamic = {
     added: function(nodes) {
       var owner, parsed, loading;
       for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
         if (!owner) {
           owner = n.ownerDocument;
           parsed = parser.isParsed(owner);
         }
@@ skipping 16 matching lines @@
   importer.observer.addCallback = dynamic.added.bind(dynamic);
   var matches = HTMLElement.prototype.matches || HTMLElement.prototype.matchesSelector || HTMLElement.prototype.webkitMatchesSelector || HTMLElement.prototype.mozMatchesSelector || HTMLElement.prototype.msMatchesSelector;
 });
 
 (function(scope) {
   var initializeModules = scope.initializeModules;
   var isIE = scope.isIE;
   if (scope.useNative) {
     return;
   }
+  if (isIE && typeof window.CustomEvent !== "function") {
+    window.CustomEvent = function(inType, params) {
+      params = params || {};
+      var e = document.createEvent("CustomEvent");
+      e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail);
+      return e;
+    };
+    window.CustomEvent.prototype = window.Event.prototype;
+  }
   initializeModules();
   var rootDocument = scope.rootDocument;
   function bootstrap() {
-    window.HTMLImports.importer.bootDocument(rootDocument);
+    HTMLImports.importer.bootDocument(rootDocument);
   }
   if (document.readyState === "complete" || document.readyState === "interactive" && !window.attachEvent) {
     bootstrap();
   } else {
     document.addEventListener("DOMContentLoaded", bootstrap);
   }
-})(window.HTMLImports);
+})(HTMLImports);