Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1466)

Unified Diff: packages/web_components/lib/ShadowDOM.js

Issue 2312183003: Removed Polymer from Observatory deps (Closed)
Patch Set: Created 4 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « packages/web_components/lib/README.md ('k') | packages/web_components/lib/ShadowDOM.min.js » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: packages/web_components/lib/ShadowDOM.js
diff --git a/packages/web_components/lib/ShadowDOM.js b/packages/web_components/lib/ShadowDOM.js
new file mode 100644
index 0000000000000000000000000000000000000000..14565b2a20341bf4df7b884431406d890027bff4
--- /dev/null
+++ b/packages/web_components/lib/ShadowDOM.js
@@ -0,0 +1,4493 @@
+/**
+ * @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 0.7.21
+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];
+ if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
+ value: [ key, value ],
+ writable: true
+ });
+ return this;
+ },
+ get: function(key) {
+ var entry;
+ return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
+ },
+ "delete": function(key) {
+ var entry = key[this.name];
+ if (!entry || entry[0] !== key) return false;
+ entry[0] = entry[1] = undefined;
+ return true;
+ },
+ has: function(key) {
+ var entry = key[this.name];
+ if (!entry) return false;
+ return entry[0] === key;
+ }
+ };
+ window.WeakMap = WeakMap;
+ })();
+}
+
+window.ShadowDOMPolyfill = {};
+
+(function(scope) {
+ "use strict";
+ var constructorTable = new WeakMap();
+ var nativePrototypeTable = new WeakMap();
+ var wrappers = Object.create(null);
+ function detectEval() {
+ if (typeof chrome !== "undefined" && chrome.app && chrome.app.runtime) {
+ return false;
+ }
+ if (navigator.getDeviceStorage) {
+ return false;
+ }
+ try {
+ var f = new Function("return true;");
+ return f();
+ } catch (ex) {
+ return false;
+ }
+ }
+ var hasEval = detectEval();
+ function assert(b) {
+ if (!b) throw new Error("Assertion failed");
+ }
+ var defineProperty = Object.defineProperty;
+ var getOwnPropertyNames = Object.getOwnPropertyNames;
+ var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
+ function mixin(to, from) {
+ var names = getOwnPropertyNames(from);
+ for (var i = 0; i < names.length; i++) {
+ var name = names[i];
+ defineProperty(to, name, getOwnPropertyDescriptor(from, name));
+ }
+ return to;
+ }
+ function mixinStatics(to, from) {
+ var names = getOwnPropertyNames(from);
+ for (var i = 0; i < names.length; i++) {
+ var name = names[i];
+ switch (name) {
+ case "arguments":
+ case "caller":
+ case "length":
+ case "name":
+ case "prototype":
+ case "toString":
+ continue;
+ }
+ defineProperty(to, name, getOwnPropertyDescriptor(from, name));
+ }
+ return to;
+ }
+ function oneOf(object, propertyNames) {
+ for (var i = 0; i < propertyNames.length; i++) {
+ if (propertyNames[i] in object) return propertyNames[i];
+ }
+ }
+ var nonEnumerableDataDescriptor = {
+ value: undefined,
+ configurable: true,
+ enumerable: false,
+ writable: true
+ };
+ function defineNonEnumerableDataProperty(object, name, value) {
+ nonEnumerableDataDescriptor.value = value;
+ defineProperty(object, name, nonEnumerableDataDescriptor);
+ }
+ getOwnPropertyNames(window);
+ function getWrapperConstructor(node, opt_instance) {
+ var nativePrototype = node.__proto__ || Object.getPrototypeOf(node);
+ if (isFirefox) {
+ try {
+ getOwnPropertyNames(nativePrototype);
+ } catch (error) {
+ nativePrototype = nativePrototype.__proto__;
+ }
+ }
+ var wrapperConstructor = constructorTable.get(nativePrototype);
+ if (wrapperConstructor) return wrapperConstructor;
+ var parentWrapperConstructor = getWrapperConstructor(nativePrototype);
+ var GeneratedWrapper = createWrapperConstructor(parentWrapperConstructor);
+ registerInternal(nativePrototype, GeneratedWrapper, opt_instance);
+ return GeneratedWrapper;
+ }
+ function addForwardingProperties(nativePrototype, wrapperPrototype) {
+ installProperty(nativePrototype, wrapperPrototype, true);
+ }
+ function registerInstanceProperties(wrapperPrototype, instanceObject) {
+ installProperty(instanceObject, wrapperPrototype, false);
+ }
+ var isFirefox = /Firefox/.test(navigator.userAgent);
+ var dummyDescriptor = {
+ get: function() {},
+ set: function(v) {},
+ configurable: true,
+ enumerable: true
+ };
+ function isEventHandlerName(name) {
+ return /^on[a-z]+$/.test(name);
+ }
+ function isIdentifierName(name) {
+ return /^[a-zA-Z_$][a-zA-Z_$0-9]*$/.test(name);
+ }
+ function getGetter(name) {
+ return hasEval && isIdentifierName(name) ? new Function("return this.__impl4cf1e782hg__." + name) : function() {
+ return this.__impl4cf1e782hg__[name];
+ };
+ }
+ function getSetter(name) {
+ return hasEval && isIdentifierName(name) ? new Function("v", "this.__impl4cf1e782hg__." + name + " = v") : function(v) {
+ this.__impl4cf1e782hg__[name] = v;
+ };
+ }
+ function getMethod(name) {
+ return hasEval && isIdentifierName(name) ? new Function("return this.__impl4cf1e782hg__." + name + ".apply(this.__impl4cf1e782hg__, arguments)") : function() {
+ return this.__impl4cf1e782hg__[name].apply(this.__impl4cf1e782hg__, arguments);
+ };
+ }
+ function getDescriptor(source, name) {
+ try {
+ return Object.getOwnPropertyDescriptor(source, name);
+ } catch (ex) {
+ return dummyDescriptor;
+ }
+ }
+ var isBrokenSafari = function() {
+ var descr = Object.getOwnPropertyDescriptor(Node.prototype, "nodeType");
+ return descr && !descr.get && !descr.set;
+ }();
+ function installProperty(source, target, allowMethod, opt_blacklist) {
+ var names = getOwnPropertyNames(source);
+ for (var i = 0; i < names.length; i++) {
+ var name = names[i];
+ if (name === "polymerBlackList_") continue;
+ if (name in target) continue;
+ if (source.polymerBlackList_ && source.polymerBlackList_[name]) continue;
+ if (isFirefox) {
+ source.__lookupGetter__(name);
+ }
+ var descriptor = getDescriptor(source, name);
+ var getter, setter;
+ if (typeof descriptor.value === "function") {
+ if (allowMethod) {
+ target[name] = getMethod(name);
+ }
+ continue;
+ }
+ var isEvent = isEventHandlerName(name);
+ if (isEvent) getter = scope.getEventHandlerGetter(name); else getter = getGetter(name);
+ if (descriptor.writable || descriptor.set || isBrokenSafari) {
+ if (isEvent) setter = scope.getEventHandlerSetter(name); else setter = getSetter(name);
+ }
+ var configurable = isBrokenSafari || descriptor.configurable;
+ defineProperty(target, name, {
+ get: getter,
+ set: setter,
+ configurable: configurable,
+ enumerable: descriptor.enumerable
+ });
+ }
+ }
+ function register(nativeConstructor, wrapperConstructor, opt_instance) {
+ if (nativeConstructor == null) {
+ return;
+ }
+ var nativePrototype = nativeConstructor.prototype;
+ registerInternal(nativePrototype, wrapperConstructor, opt_instance);
+ mixinStatics(wrapperConstructor, nativeConstructor);
+ }
+ function registerInternal(nativePrototype, wrapperConstructor, opt_instance) {
+ var wrapperPrototype = wrapperConstructor.prototype;
+ assert(constructorTable.get(nativePrototype) === undefined);
+ constructorTable.set(nativePrototype, wrapperConstructor);
+ nativePrototypeTable.set(wrapperPrototype, nativePrototype);
+ addForwardingProperties(nativePrototype, wrapperPrototype);
+ if (opt_instance) registerInstanceProperties(wrapperPrototype, opt_instance);
+ defineNonEnumerableDataProperty(wrapperPrototype, "constructor", wrapperConstructor);
+ wrapperConstructor.prototype = wrapperPrototype;
+ }
+ function isWrapperFor(wrapperConstructor, nativeConstructor) {
+ return constructorTable.get(nativeConstructor.prototype) === wrapperConstructor;
+ }
+ function registerObject(object) {
+ var nativePrototype = Object.getPrototypeOf(object);
+ var superWrapperConstructor = getWrapperConstructor(nativePrototype);
+ var GeneratedWrapper = createWrapperConstructor(superWrapperConstructor);
+ registerInternal(nativePrototype, GeneratedWrapper, object);
+ return GeneratedWrapper;
+ }
+ function createWrapperConstructor(superWrapperConstructor) {
+ function GeneratedWrapper(node) {
+ superWrapperConstructor.call(this, node);
+ }
+ var p = Object.create(superWrapperConstructor.prototype);
+ p.constructor = GeneratedWrapper;
+ GeneratedWrapper.prototype = p;
+ return GeneratedWrapper;
+ }
+ function isWrapper(object) {
+ return object && object.__impl4cf1e782hg__;
+ }
+ function isNative(object) {
+ return !isWrapper(object);
+ }
+ function wrap(impl) {
+ if (impl === null) return null;
+ assert(isNative(impl));
+ var wrapper = impl.__wrapper8e3dd93a60__;
+ if (wrapper != null) {
+ return wrapper;
+ }
+ return impl.__wrapper8e3dd93a60__ = new (getWrapperConstructor(impl, impl))(impl);
+ }
+ function unwrap(wrapper) {
+ if (wrapper === null) return null;
+ assert(isWrapper(wrapper));
+ return wrapper.__impl4cf1e782hg__;
+ }
+ function unsafeUnwrap(wrapper) {
+ return wrapper.__impl4cf1e782hg__;
+ }
+ function setWrapper(impl, wrapper) {
+ wrapper.__impl4cf1e782hg__ = impl;
+ impl.__wrapper8e3dd93a60__ = wrapper;
+ }
+ function unwrapIfNeeded(object) {
+ return object && isWrapper(object) ? unwrap(object) : object;
+ }
+ function wrapIfNeeded(object) {
+ return object && !isWrapper(object) ? wrap(object) : object;
+ }
+ function rewrap(node, wrapper) {
+ if (wrapper === null) return;
+ assert(isNative(node));
+ assert(wrapper === undefined || isWrapper(wrapper));
+ node.__wrapper8e3dd93a60__ = wrapper;
+ }
+ var getterDescriptor = {
+ get: undefined,
+ configurable: true,
+ enumerable: true
+ };
+ function defineGetter(constructor, name, getter) {
+ getterDescriptor.get = getter;
+ defineProperty(constructor.prototype, name, getterDescriptor);
+ }
+ function defineWrapGetter(constructor, name) {
+ defineGetter(constructor, name, function() {
+ return wrap(this.__impl4cf1e782hg__[name]);
+ });
+ }
+ function forwardMethodsToWrapper(constructors, names) {
+ constructors.forEach(function(constructor) {
+ names.forEach(function(name) {
+ constructor.prototype[name] = function() {
+ var w = wrapIfNeeded(this);
+ return w[name].apply(w, arguments);
+ };
+ });
+ });
+ }
+ scope.addForwardingProperties = addForwardingProperties;
+ scope.assert = assert;
+ scope.constructorTable = constructorTable;
+ scope.defineGetter = defineGetter;
+ scope.defineWrapGetter = defineWrapGetter;
+ scope.forwardMethodsToWrapper = forwardMethodsToWrapper;
+ scope.isIdentifierName = isIdentifierName;
+ scope.isWrapper = isWrapper;
+ scope.isWrapperFor = isWrapperFor;
+ scope.mixin = mixin;
+ scope.nativePrototypeTable = nativePrototypeTable;
+ scope.oneOf = oneOf;
+ scope.registerObject = registerObject;
+ scope.registerWrapper = register;
+ scope.rewrap = rewrap;
+ scope.setWrapper = setWrapper;
+ scope.unsafeUnwrap = unsafeUnwrap;
+ scope.unwrap = unwrap;
+ scope.unwrapIfNeeded = unwrapIfNeeded;
+ scope.wrap = wrap;
+ scope.wrapIfNeeded = wrapIfNeeded;
+ scope.wrappers = wrappers;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ function newSplice(index, removed, addedCount) {
+ return {
+ index: index,
+ removed: removed,
+ addedCount: addedCount
+ };
+ }
+ var EDIT_LEAVE = 0;
+ var EDIT_UPDATE = 1;
+ var EDIT_ADD = 2;
+ var EDIT_DELETE = 3;
+ function ArraySplice() {}
+ ArraySplice.prototype = {
+ calcEditDistances: function(current, currentStart, currentEnd, old, oldStart, oldEnd) {
+ var rowCount = oldEnd - oldStart + 1;
+ var columnCount = currentEnd - currentStart + 1;
+ var distances = new Array(rowCount);
+ for (var i = 0; i < rowCount; i++) {
+ distances[i] = new Array(columnCount);
+ distances[i][0] = i;
+ }
+ for (var j = 0; j < columnCount; j++) distances[0][j] = j;
+ for (var i = 1; i < rowCount; i++) {
+ for (var j = 1; j < columnCount; j++) {
+ if (this.equals(current[currentStart + j - 1], old[oldStart + i - 1])) distances[i][j] = distances[i - 1][j - 1]; else {
+ var north = distances[i - 1][j] + 1;
+ var west = distances[i][j - 1] + 1;
+ distances[i][j] = north < west ? north : west;
+ }
+ }
+ }
+ return distances;
+ },
+ spliceOperationsFromEditDistances: function(distances) {
+ var i = distances.length - 1;
+ var j = distances[0].length - 1;
+ var current = distances[i][j];
+ var edits = [];
+ while (i > 0 || j > 0) {
+ if (i == 0) {
+ edits.push(EDIT_ADD);
+ j--;
+ continue;
+ }
+ if (j == 0) {
+ edits.push(EDIT_DELETE);
+ i--;
+ continue;
+ }
+ var northWest = distances[i - 1][j - 1];
+ var west = distances[i - 1][j];
+ var north = distances[i][j - 1];
+ var min;
+ if (west < north) min = west < northWest ? west : northWest; else min = north < northWest ? north : northWest;
+ if (min == northWest) {
+ if (northWest == current) {
+ edits.push(EDIT_LEAVE);
+ } else {
+ edits.push(EDIT_UPDATE);
+ current = northWest;
+ }
+ i--;
+ j--;
+ } else if (min == west) {
+ edits.push(EDIT_DELETE);
+ i--;
+ current = west;
+ } else {
+ edits.push(EDIT_ADD);
+ j--;
+ current = north;
+ }
+ }
+ edits.reverse();
+ return edits;
+ },
+ calcSplices: function(current, currentStart, currentEnd, old, oldStart, oldEnd) {
+ var prefixCount = 0;
+ var suffixCount = 0;
+ var minLength = Math.min(currentEnd - currentStart, oldEnd - oldStart);
+ if (currentStart == 0 && oldStart == 0) prefixCount = this.sharedPrefix(current, old, minLength);
+ if (currentEnd == current.length && oldEnd == old.length) suffixCount = this.sharedSuffix(current, old, minLength - prefixCount);
+ currentStart += prefixCount;
+ oldStart += prefixCount;
+ currentEnd -= suffixCount;
+ oldEnd -= suffixCount;
+ if (currentEnd - currentStart == 0 && oldEnd - oldStart == 0) return [];
+ if (currentStart == currentEnd) {
+ var splice = newSplice(currentStart, [], 0);
+ while (oldStart < oldEnd) splice.removed.push(old[oldStart++]);
+ return [ splice ];
+ } else if (oldStart == oldEnd) return [ newSplice(currentStart, [], currentEnd - currentStart) ];
+ var ops = this.spliceOperationsFromEditDistances(this.calcEditDistances(current, currentStart, currentEnd, old, oldStart, oldEnd));
+ var splice = undefined;
+ var splices = [];
+ var index = currentStart;
+ var oldIndex = oldStart;
+ for (var i = 0; i < ops.length; i++) {
+ switch (ops[i]) {
+ case EDIT_LEAVE:
+ if (splice) {
+ splices.push(splice);
+ splice = undefined;
+ }
+ index++;
+ oldIndex++;
+ break;
+
+ case EDIT_UPDATE:
+ if (!splice) splice = newSplice(index, [], 0);
+ splice.addedCount++;
+ index++;
+ splice.removed.push(old[oldIndex]);
+ oldIndex++;
+ break;
+
+ case EDIT_ADD:
+ if (!splice) splice = newSplice(index, [], 0);
+ splice.addedCount++;
+ index++;
+ break;
+
+ case EDIT_DELETE:
+ if (!splice) splice = newSplice(index, [], 0);
+ splice.removed.push(old[oldIndex]);
+ oldIndex++;
+ break;
+ }
+ }
+ if (splice) {
+ splices.push(splice);
+ }
+ return splices;
+ },
+ sharedPrefix: function(current, old, searchLength) {
+ for (var i = 0; i < searchLength; i++) if (!this.equals(current[i], old[i])) return i;
+ return searchLength;
+ },
+ sharedSuffix: function(current, old, searchLength) {
+ var index1 = current.length;
+ var index2 = old.length;
+ var count = 0;
+ while (count < searchLength && this.equals(current[--index1], old[--index2])) count++;
+ return count;
+ },
+ calculateSplices: function(current, previous) {
+ return this.calcSplices(current, 0, current.length, previous, 0, previous.length);
+ },
+ equals: function(currentValue, previousValue) {
+ return currentValue === previousValue;
+ }
+ };
+ scope.ArraySplice = ArraySplice;
+})(window.ShadowDOMPolyfill);
+
+(function(context) {
+ "use strict";
+ var OriginalMutationObserver = window.MutationObserver;
+ var callbacks = [];
+ var pending = false;
+ var timerFunc;
+ function handle() {
+ pending = false;
+ var copies = callbacks.slice(0);
+ callbacks = [];
+ for (var i = 0; i < copies.length; i++) {
+ (0, copies[i])();
+ }
+ }
+ if (OriginalMutationObserver) {
+ var counter = 1;
+ var observer = new OriginalMutationObserver(handle);
+ var textNode = document.createTextNode(counter);
+ observer.observe(textNode, {
+ characterData: true
+ });
+ timerFunc = function() {
+ counter = (counter + 1) % 2;
+ textNode.data = counter;
+ };
+ } else {
+ timerFunc = window.setTimeout;
+ }
+ function setEndOfMicrotask(func) {
+ callbacks.push(func);
+ if (pending) return;
+ pending = true;
+ timerFunc(handle, 0);
+ }
+ context.setEndOfMicrotask = setEndOfMicrotask;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var setEndOfMicrotask = scope.setEndOfMicrotask;
+ var wrapIfNeeded = scope.wrapIfNeeded;
+ var wrappers = scope.wrappers;
+ var registrationsTable = new WeakMap();
+ var globalMutationObservers = [];
+ var isScheduled = false;
+ function scheduleCallback(observer) {
+ if (observer.scheduled_) return;
+ observer.scheduled_ = true;
+ globalMutationObservers.push(observer);
+ if (isScheduled) return;
+ setEndOfMicrotask(notifyObservers);
+ isScheduled = true;
+ }
+ function notifyObservers() {
+ isScheduled = false;
+ while (globalMutationObservers.length) {
+ var notifyList = globalMutationObservers;
+ globalMutationObservers = [];
+ notifyList.sort(function(x, y) {
+ return x.uid_ - y.uid_;
+ });
+ for (var i = 0; i < notifyList.length; i++) {
+ var mo = notifyList[i];
+ mo.scheduled_ = false;
+ var queue = mo.takeRecords();
+ removeTransientObserversFor(mo);
+ if (queue.length) {
+ mo.callback_(queue, mo);
+ }
+ }
+ }
+ }
+ function MutationRecord(type, target) {
+ this.type = type;
+ this.target = target;
+ this.addedNodes = new wrappers.NodeList();
+ this.removedNodes = new wrappers.NodeList();
+ this.previousSibling = null;
+ this.nextSibling = null;
+ this.attributeName = null;
+ this.attributeNamespace = null;
+ this.oldValue = null;
+ }
+ function registerTransientObservers(ancestor, node) {
+ for (;ancestor; ancestor = ancestor.parentNode) {
+ var registrations = registrationsTable.get(ancestor);
+ if (!registrations) continue;
+ for (var i = 0; i < registrations.length; i++) {
+ var registration = registrations[i];
+ if (registration.options.subtree) registration.addTransientObserver(node);
+ }
+ }
+ }
+ function removeTransientObserversFor(observer) {
+ for (var i = 0; i < observer.nodes_.length; i++) {
+ var node = observer.nodes_[i];
+ var registrations = registrationsTable.get(node);
+ if (!registrations) return;
+ for (var j = 0; j < registrations.length; j++) {
+ var registration = registrations[j];
+ if (registration.observer === observer) registration.removeTransientObservers();
+ }
+ }
+ }
+ function enqueueMutation(target, type, data) {
+ var interestedObservers = Object.create(null);
+ var associatedStrings = Object.create(null);
+ for (var node = target; node; node = node.parentNode) {
+ var registrations = registrationsTable.get(node);
+ if (!registrations) continue;
+ for (var j = 0; j < registrations.length; j++) {
+ var registration = registrations[j];
+ var options = registration.options;
+ if (node !== target && !options.subtree) continue;
+ if (type === "attributes" && !options.attributes) continue;
+ if (type === "attributes" && options.attributeFilter && (data.namespace !== null || options.attributeFilter.indexOf(data.name) === -1)) {
+ continue;
+ }
+ if (type === "characterData" && !options.characterData) continue;
+ if (type === "childList" && !options.childList) continue;
+ var observer = registration.observer;
+ interestedObservers[observer.uid_] = observer;
+ if (type === "attributes" && options.attributeOldValue || type === "characterData" && options.characterDataOldValue) {
+ associatedStrings[observer.uid_] = data.oldValue;
+ }
+ }
+ }
+ for (var uid in interestedObservers) {
+ var observer = interestedObservers[uid];
+ var record = new MutationRecord(type, target);
+ if ("name" in data && "namespace" in data) {
+ record.attributeName = data.name;
+ record.attributeNamespace = data.namespace;
+ }
+ if (data.addedNodes) record.addedNodes = data.addedNodes;
+ if (data.removedNodes) record.removedNodes = data.removedNodes;
+ if (data.previousSibling) record.previousSibling = data.previousSibling;
+ if (data.nextSibling) record.nextSibling = data.nextSibling;
+ if (associatedStrings[uid] !== undefined) record.oldValue = associatedStrings[uid];
+ scheduleCallback(observer);
+ observer.records_.push(record);
+ }
+ }
+ var slice = Array.prototype.slice;
+ function MutationObserverOptions(options) {
+ this.childList = !!options.childList;
+ this.subtree = !!options.subtree;
+ if (!("attributes" in options) && ("attributeOldValue" in options || "attributeFilter" in options)) {
+ this.attributes = true;
+ } else {
+ this.attributes = !!options.attributes;
+ }
+ if ("characterDataOldValue" in options && !("characterData" in options)) this.characterData = true; else this.characterData = !!options.characterData;
+ if (!this.attributes && (options.attributeOldValue || "attributeFilter" in options) || !this.characterData && options.characterDataOldValue) {
+ throw new TypeError();
+ }
+ this.characterData = !!options.characterData;
+ this.attributeOldValue = !!options.attributeOldValue;
+ this.characterDataOldValue = !!options.characterDataOldValue;
+ if ("attributeFilter" in options) {
+ if (options.attributeFilter == null || typeof options.attributeFilter !== "object") {
+ throw new TypeError();
+ }
+ this.attributeFilter = slice.call(options.attributeFilter);
+ } else {
+ this.attributeFilter = null;
+ }
+ }
+ var uidCounter = 0;
+ function MutationObserver(callback) {
+ this.callback_ = callback;
+ this.nodes_ = [];
+ this.records_ = [];
+ this.uid_ = ++uidCounter;
+ this.scheduled_ = false;
+ }
+ MutationObserver.prototype = {
+ constructor: MutationObserver,
+ observe: function(target, options) {
+ target = wrapIfNeeded(target);
+ var newOptions = new MutationObserverOptions(options);
+ var registration;
+ var registrations = registrationsTable.get(target);
+ if (!registrations) registrationsTable.set(target, registrations = []);
+ for (var i = 0; i < registrations.length; i++) {
+ if (registrations[i].observer === this) {
+ registration = registrations[i];
+ registration.removeTransientObservers();
+ registration.options = newOptions;
+ }
+ }
+ if (!registration) {
+ registration = new Registration(this, target, newOptions);
+ registrations.push(registration);
+ this.nodes_.push(target);
+ }
+ },
+ disconnect: function() {
+ this.nodes_.forEach(function(node) {
+ var registrations = registrationsTable.get(node);
+ for (var i = 0; i < registrations.length; i++) {
+ var registration = registrations[i];
+ if (registration.observer === this) {
+ registrations.splice(i, 1);
+ break;
+ }
+ }
+ }, this);
+ this.records_ = [];
+ },
+ takeRecords: function() {
+ var copyOfRecords = this.records_;
+ this.records_ = [];
+ return copyOfRecords;
+ }
+ };
+ function Registration(observer, target, options) {
+ this.observer = observer;
+ this.target = target;
+ this.options = options;
+ this.transientObservedNodes = [];
+ }
+ Registration.prototype = {
+ addTransientObserver: function(node) {
+ if (node === this.target) return;
+ scheduleCallback(this.observer);
+ this.transientObservedNodes.push(node);
+ var registrations = registrationsTable.get(node);
+ if (!registrations) registrationsTable.set(node, registrations = []);
+ registrations.push(this);
+ },
+ removeTransientObservers: function() {
+ var transientObservedNodes = this.transientObservedNodes;
+ this.transientObservedNodes = [];
+ for (var i = 0; i < transientObservedNodes.length; i++) {
+ var node = transientObservedNodes[i];
+ var registrations = registrationsTable.get(node);
+ for (var j = 0; j < registrations.length; j++) {
+ if (registrations[j] === this) {
+ registrations.splice(j, 1);
+ break;
+ }
+ }
+ }
+ }
+ };
+ scope.enqueueMutation = enqueueMutation;
+ scope.registerTransientObservers = registerTransientObservers;
+ scope.wrappers.MutationObserver = MutationObserver;
+ scope.wrappers.MutationRecord = MutationRecord;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ function TreeScope(root, parent) {
+ this.root = root;
+ this.parent = parent;
+ }
+ TreeScope.prototype = {
+ get renderer() {
+ if (this.root instanceof scope.wrappers.ShadowRoot) {
+ return scope.getRendererForHost(this.root.host);
+ }
+ return null;
+ },
+ contains: function(treeScope) {
+ for (;treeScope; treeScope = treeScope.parent) {
+ if (treeScope === this) return true;
+ }
+ return false;
+ }
+ };
+ function setTreeScope(node, treeScope) {
+ if (node.treeScope_ !== treeScope) {
+ node.treeScope_ = treeScope;
+ for (var sr = node.shadowRoot; sr; sr = sr.olderShadowRoot) {
+ sr.treeScope_.parent = treeScope;
+ }
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ setTreeScope(child, treeScope);
+ }
+ }
+ }
+ function getTreeScope(node) {
+ if (node instanceof scope.wrappers.Window) {
+ debugger;
+ }
+ if (node.treeScope_) return node.treeScope_;
+ var parent = node.parentNode;
+ var treeScope;
+ if (parent) treeScope = getTreeScope(parent); else treeScope = new TreeScope(node, null);
+ return node.treeScope_ = treeScope;
+ }
+ scope.TreeScope = TreeScope;
+ scope.getTreeScope = getTreeScope;
+ scope.setTreeScope = setTreeScope;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var forwardMethodsToWrapper = scope.forwardMethodsToWrapper;
+ var getTreeScope = scope.getTreeScope;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var setWrapper = scope.setWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var wrappers = scope.wrappers;
+ var wrappedFuns = new WeakMap();
+ var listenersTable = new WeakMap();
+ var handledEventsTable = new WeakMap();
+ var currentlyDispatchingEvents = new WeakMap();
+ var targetTable = new WeakMap();
+ var currentTargetTable = new WeakMap();
+ var relatedTargetTable = new WeakMap();
+ var eventPhaseTable = new WeakMap();
+ var stopPropagationTable = new WeakMap();
+ var stopImmediatePropagationTable = new WeakMap();
+ var eventHandlersTable = new WeakMap();
+ var eventPathTable = new WeakMap();
+ function isShadowRoot(node) {
+ return node instanceof wrappers.ShadowRoot;
+ }
+ function rootOfNode(node) {
+ return getTreeScope(node).root;
+ }
+ function getEventPath(node, event) {
+ var path = [];
+ var current = node;
+ path.push(current);
+ while (current) {
+ var destinationInsertionPoints = getDestinationInsertionPoints(current);
+ if (destinationInsertionPoints && destinationInsertionPoints.length > 0) {
+ for (var i = 0; i < destinationInsertionPoints.length; i++) {
+ var insertionPoint = destinationInsertionPoints[i];
+ if (isShadowInsertionPoint(insertionPoint)) {
+ var shadowRoot = rootOfNode(insertionPoint);
+ var olderShadowRoot = shadowRoot.olderShadowRoot;
+ if (olderShadowRoot) path.push(olderShadowRoot);
+ }
+ path.push(insertionPoint);
+ }
+ current = destinationInsertionPoints[destinationInsertionPoints.length - 1];
+ } else {
+ if (isShadowRoot(current)) {
+ if (inSameTree(node, current) && eventMustBeStopped(event)) {
+ break;
+ }
+ current = current.host;
+ path.push(current);
+ } else {
+ current = current.parentNode;
+ if (current) path.push(current);
+ }
+ }
+ }
+ return path;
+ }
+ function eventMustBeStopped(event) {
+ if (!event) return false;
+ switch (event.type) {
+ case "abort":
+ case "error":
+ case "select":
+ case "change":
+ case "load":
+ case "reset":
+ case "resize":
+ case "scroll":
+ case "selectstart":
+ return true;
+ }
+ return false;
+ }
+ function isShadowInsertionPoint(node) {
+ return node instanceof HTMLShadowElement;
+ }
+ function getDestinationInsertionPoints(node) {
+ return scope.getDestinationInsertionPoints(node);
+ }
+ function eventRetargetting(path, currentTarget) {
+ if (path.length === 0) return currentTarget;
+ if (currentTarget instanceof wrappers.Window) currentTarget = currentTarget.document;
+ var currentTargetTree = getTreeScope(currentTarget);
+ var originalTarget = path[0];
+ var originalTargetTree = getTreeScope(originalTarget);
+ var relativeTargetTree = lowestCommonInclusiveAncestor(currentTargetTree, originalTargetTree);
+ for (var i = 0; i < path.length; i++) {
+ var node = path[i];
+ if (getTreeScope(node) === relativeTargetTree) return node;
+ }
+ return path[path.length - 1];
+ }
+ function getTreeScopeAncestors(treeScope) {
+ var ancestors = [];
+ for (;treeScope; treeScope = treeScope.parent) {
+ ancestors.push(treeScope);
+ }
+ return ancestors;
+ }
+ function lowestCommonInclusiveAncestor(tsA, tsB) {
+ var ancestorsA = getTreeScopeAncestors(tsA);
+ var ancestorsB = getTreeScopeAncestors(tsB);
+ var result = null;
+ while (ancestorsA.length > 0 && ancestorsB.length > 0) {
+ var a = ancestorsA.pop();
+ var b = ancestorsB.pop();
+ if (a === b) result = a; else break;
+ }
+ return result;
+ }
+ function getTreeScopeRoot(ts) {
+ if (!ts.parent) return ts;
+ return getTreeScopeRoot(ts.parent);
+ }
+ function relatedTargetResolution(event, currentTarget, relatedTarget) {
+ if (currentTarget instanceof wrappers.Window) currentTarget = currentTarget.document;
+ var currentTargetTree = getTreeScope(currentTarget);
+ var relatedTargetTree = getTreeScope(relatedTarget);
+ var relatedTargetEventPath = getEventPath(relatedTarget, event);
+ var lowestCommonAncestorTree;
+ var lowestCommonAncestorTree = lowestCommonInclusiveAncestor(currentTargetTree, relatedTargetTree);
+ if (!lowestCommonAncestorTree) lowestCommonAncestorTree = relatedTargetTree.root;
+ for (var commonAncestorTree = lowestCommonAncestorTree; commonAncestorTree; commonAncestorTree = commonAncestorTree.parent) {
+ var adjustedRelatedTarget;
+ for (var i = 0; i < relatedTargetEventPath.length; i++) {
+ var node = relatedTargetEventPath[i];
+ if (getTreeScope(node) === commonAncestorTree) return node;
+ }
+ }
+ return null;
+ }
+ function inSameTree(a, b) {
+ return getTreeScope(a) === getTreeScope(b);
+ }
+ var NONE = 0;
+ var CAPTURING_PHASE = 1;
+ var AT_TARGET = 2;
+ var BUBBLING_PHASE = 3;
+ var pendingError;
+ function dispatchOriginalEvent(originalEvent) {
+ if (handledEventsTable.get(originalEvent)) return;
+ handledEventsTable.set(originalEvent, true);
+ dispatchEvent(wrap(originalEvent), wrap(originalEvent.target));
+ if (pendingError) {
+ var err = pendingError;
+ pendingError = null;
+ throw err;
+ }
+ }
+ function isLoadLikeEvent(event) {
+ switch (event.type) {
+ case "load":
+ case "beforeunload":
+ case "unload":
+ return true;
+ }
+ return false;
+ }
+ function dispatchEvent(event, originalWrapperTarget) {
+ if (currentlyDispatchingEvents.get(event)) throw new Error("InvalidStateError");
+ currentlyDispatchingEvents.set(event, true);
+ scope.renderAllPending();
+ var eventPath;
+ var overrideTarget;
+ var win;
+ if (isLoadLikeEvent(event) && !event.bubbles) {
+ var doc = originalWrapperTarget;
+ if (doc instanceof wrappers.Document && (win = doc.defaultView)) {
+ overrideTarget = doc;
+ eventPath = [];
+ }
+ }
+ if (!eventPath) {
+ if (originalWrapperTarget instanceof wrappers.Window) {
+ win = originalWrapperTarget;
+ eventPath = [];
+ } else {
+ eventPath = getEventPath(originalWrapperTarget, event);
+ if (!isLoadLikeEvent(event)) {
+ var doc = eventPath[eventPath.length - 1];
+ if (doc instanceof wrappers.Document) win = doc.defaultView;
+ }
+ }
+ }
+ eventPathTable.set(event, eventPath);
+ if (dispatchCapturing(event, eventPath, win, overrideTarget)) {
+ if (dispatchAtTarget(event, eventPath, win, overrideTarget)) {
+ dispatchBubbling(event, eventPath, win, overrideTarget);
+ }
+ }
+ eventPhaseTable.set(event, NONE);
+ currentTargetTable.delete(event, null);
+ currentlyDispatchingEvents.delete(event);
+ return event.defaultPrevented;
+ }
+ function dispatchCapturing(event, eventPath, win, overrideTarget) {
+ var phase = CAPTURING_PHASE;
+ if (win) {
+ if (!invoke(win, event, phase, eventPath, overrideTarget)) return false;
+ }
+ for (var i = eventPath.length - 1; i > 0; i--) {
+ if (!invoke(eventPath[i], event, phase, eventPath, overrideTarget)) return false;
+ }
+ return true;
+ }
+ function dispatchAtTarget(event, eventPath, win, overrideTarget) {
+ var phase = AT_TARGET;
+ var currentTarget = eventPath[0] || win;
+ return invoke(currentTarget, event, phase, eventPath, overrideTarget);
+ }
+ function dispatchBubbling(event, eventPath, win, overrideTarget) {
+ var phase = BUBBLING_PHASE;
+ for (var i = 1; i < eventPath.length; i++) {
+ if (!invoke(eventPath[i], event, phase, eventPath, overrideTarget)) return;
+ }
+ if (win && eventPath.length > 0) {
+ invoke(win, event, phase, eventPath, overrideTarget);
+ }
+ }
+ function invoke(currentTarget, event, phase, eventPath, overrideTarget) {
+ var listeners = listenersTable.get(currentTarget);
+ if (!listeners) return true;
+ var target = overrideTarget || eventRetargetting(eventPath, currentTarget);
+ if (target === currentTarget) {
+ if (phase === CAPTURING_PHASE) return true;
+ if (phase === BUBBLING_PHASE) phase = AT_TARGET;
+ } else if (phase === BUBBLING_PHASE && !event.bubbles) {
+ return true;
+ }
+ if ("relatedTarget" in event) {
+ var originalEvent = unwrap(event);
+ var unwrappedRelatedTarget = originalEvent.relatedTarget;
+ if (unwrappedRelatedTarget) {
+ if (unwrappedRelatedTarget instanceof Object && unwrappedRelatedTarget.addEventListener) {
+ var relatedTarget = wrap(unwrappedRelatedTarget);
+ var adjusted = relatedTargetResolution(event, currentTarget, relatedTarget);
+ if (adjusted === target) return true;
+ } else {
+ adjusted = null;
+ }
+ relatedTargetTable.set(event, adjusted);
+ }
+ }
+ eventPhaseTable.set(event, phase);
+ var type = event.type;
+ var anyRemoved = false;
+ targetTable.set(event, target);
+ currentTargetTable.set(event, currentTarget);
+ listeners.depth++;
+ for (var i = 0, len = listeners.length; i < len; i++) {
+ var listener = listeners[i];
+ if (listener.removed) {
+ anyRemoved = true;
+ continue;
+ }
+ if (listener.type !== type || !listener.capture && phase === CAPTURING_PHASE || listener.capture && phase === BUBBLING_PHASE) {
+ continue;
+ }
+ try {
+ if (typeof listener.handler === "function") listener.handler.call(currentTarget, event); else listener.handler.handleEvent(event);
+ if (stopImmediatePropagationTable.get(event)) return false;
+ } catch (ex) {
+ if (!pendingError) pendingError = ex;
+ }
+ }
+ listeners.depth--;
+ if (anyRemoved && listeners.depth === 0) {
+ var copy = listeners.slice();
+ listeners.length = 0;
+ for (var i = 0; i < copy.length; i++) {
+ if (!copy[i].removed) listeners.push(copy[i]);
+ }
+ }
+ return !stopPropagationTable.get(event);
+ }
+ function Listener(type, handler, capture) {
+ this.type = type;
+ this.handler = handler;
+ this.capture = Boolean(capture);
+ }
+ Listener.prototype = {
+ equals: function(that) {
+ return this.handler === that.handler && this.type === that.type && this.capture === that.capture;
+ },
+ get removed() {
+ return this.handler === null;
+ },
+ remove: function() {
+ this.handler = null;
+ }
+ };
+ var OriginalEvent = window.Event;
+ OriginalEvent.prototype.polymerBlackList_ = {
+ returnValue: true,
+ keyLocation: true
+ };
+ function Event(type, options) {
+ if (type instanceof OriginalEvent) {
+ var impl = type;
+ if (!OriginalBeforeUnloadEvent && impl.type === "beforeunload" && !(this instanceof BeforeUnloadEvent)) {
+ return new BeforeUnloadEvent(impl);
+ }
+ setWrapper(impl, this);
+ } else {
+ return wrap(constructEvent(OriginalEvent, "Event", type, options));
+ }
+ }
+ Event.prototype = {
+ get target() {
+ return targetTable.get(this);
+ },
+ get currentTarget() {
+ return currentTargetTable.get(this);
+ },
+ get eventPhase() {
+ return eventPhaseTable.get(this);
+ },
+ get path() {
+ var eventPath = eventPathTable.get(this);
+ if (!eventPath) return [];
+ return eventPath.slice();
+ },
+ stopPropagation: function() {
+ stopPropagationTable.set(this, true);
+ },
+ stopImmediatePropagation: function() {
+ stopPropagationTable.set(this, true);
+ stopImmediatePropagationTable.set(this, true);
+ }
+ };
+ var supportsDefaultPrevented = function() {
+ var e = document.createEvent("Event");
+ e.initEvent("test", true, true);
+ e.preventDefault();
+ return e.defaultPrevented;
+ }();
+ if (!supportsDefaultPrevented) {
+ Event.prototype.preventDefault = function() {
+ if (!this.cancelable) return;
+ unsafeUnwrap(this).preventDefault();
+ Object.defineProperty(this, "defaultPrevented", {
+ get: function() {
+ return true;
+ },
+ configurable: true
+ });
+ };
+ }
+ registerWrapper(OriginalEvent, Event, document.createEvent("Event"));
+ function unwrapOptions(options) {
+ if (!options || !options.relatedTarget) return options;
+ return Object.create(options, {
+ relatedTarget: {
+ value: unwrap(options.relatedTarget)
+ }
+ });
+ }
+ function registerGenericEvent(name, SuperEvent, prototype) {
+ var OriginalEvent = window[name];
+ var GenericEvent = function(type, options) {
+ if (type instanceof OriginalEvent) setWrapper(type, this); else return wrap(constructEvent(OriginalEvent, name, type, options));
+ };
+ GenericEvent.prototype = Object.create(SuperEvent.prototype);
+ if (prototype) mixin(GenericEvent.prototype, prototype);
+ if (OriginalEvent) {
+ try {
+ registerWrapper(OriginalEvent, GenericEvent, new OriginalEvent("temp"));
+ } catch (ex) {
+ registerWrapper(OriginalEvent, GenericEvent, document.createEvent(name));
+ }
+ }
+ return GenericEvent;
+ }
+ var UIEvent = registerGenericEvent("UIEvent", Event);
+ var CustomEvent = registerGenericEvent("CustomEvent", Event);
+ var relatedTargetProto = {
+ get relatedTarget() {
+ var relatedTarget = relatedTargetTable.get(this);
+ if (relatedTarget !== undefined) return relatedTarget;
+ return wrap(unwrap(this).relatedTarget);
+ }
+ };
+ function getInitFunction(name, relatedTargetIndex) {
+ return function() {
+ arguments[relatedTargetIndex] = unwrap(arguments[relatedTargetIndex]);
+ var impl = unwrap(this);
+ impl[name].apply(impl, arguments);
+ };
+ }
+ var mouseEventProto = mixin({
+ initMouseEvent: getInitFunction("initMouseEvent", 14)
+ }, relatedTargetProto);
+ var focusEventProto = mixin({
+ initFocusEvent: getInitFunction("initFocusEvent", 5)
+ }, relatedTargetProto);
+ var MouseEvent = registerGenericEvent("MouseEvent", UIEvent, mouseEventProto);
+ var FocusEvent = registerGenericEvent("FocusEvent", UIEvent, focusEventProto);
+ var defaultInitDicts = Object.create(null);
+ var supportsEventConstructors = function() {
+ try {
+ new window.FocusEvent("focus");
+ } catch (ex) {
+ return false;
+ }
+ return true;
+ }();
+ function constructEvent(OriginalEvent, name, type, options) {
+ if (supportsEventConstructors) return new OriginalEvent(type, unwrapOptions(options));
+ var event = unwrap(document.createEvent(name));
+ var defaultDict = defaultInitDicts[name];
+ var args = [ type ];
+ Object.keys(defaultDict).forEach(function(key) {
+ var v = options != null && key in options ? options[key] : defaultDict[key];
+ if (key === "relatedTarget") v = unwrap(v);
+ args.push(v);
+ });
+ event["init" + name].apply(event, args);
+ return event;
+ }
+ if (!supportsEventConstructors) {
+ var configureEventConstructor = function(name, initDict, superName) {
+ if (superName) {
+ var superDict = defaultInitDicts[superName];
+ initDict = mixin(mixin({}, superDict), initDict);
+ }
+ defaultInitDicts[name] = initDict;
+ };
+ configureEventConstructor("Event", {
+ bubbles: false,
+ cancelable: false
+ });
+ configureEventConstructor("CustomEvent", {
+ detail: null
+ }, "Event");
+ configureEventConstructor("UIEvent", {
+ view: null,
+ detail: 0
+ }, "Event");
+ configureEventConstructor("MouseEvent", {
+ screenX: 0,
+ screenY: 0,
+ clientX: 0,
+ clientY: 0,
+ ctrlKey: false,
+ altKey: false,
+ shiftKey: false,
+ metaKey: false,
+ button: 0,
+ relatedTarget: null
+ }, "UIEvent");
+ configureEventConstructor("FocusEvent", {
+ relatedTarget: null
+ }, "UIEvent");
+ }
+ var OriginalBeforeUnloadEvent = window.BeforeUnloadEvent;
+ function BeforeUnloadEvent(impl) {
+ Event.call(this, impl);
+ }
+ BeforeUnloadEvent.prototype = Object.create(Event.prototype);
+ mixin(BeforeUnloadEvent.prototype, {
+ get returnValue() {
+ return unsafeUnwrap(this).returnValue;
+ },
+ set returnValue(v) {
+ unsafeUnwrap(this).returnValue = v;
+ }
+ });
+ if (OriginalBeforeUnloadEvent) registerWrapper(OriginalBeforeUnloadEvent, BeforeUnloadEvent);
+ function isValidListener(fun) {
+ if (typeof fun === "function") return true;
+ return fun && fun.handleEvent;
+ }
+ function isMutationEvent(type) {
+ switch (type) {
+ case "DOMAttrModified":
+ case "DOMAttributeNameChanged":
+ case "DOMCharacterDataModified":
+ case "DOMElementNameChanged":
+ case "DOMNodeInserted":
+ case "DOMNodeInsertedIntoDocument":
+ case "DOMNodeRemoved":
+ case "DOMNodeRemovedFromDocument":
+ case "DOMSubtreeModified":
+ return true;
+ }
+ return false;
+ }
+ var OriginalEventTarget = window.EventTarget;
+ function EventTarget(impl) {
+ setWrapper(impl, this);
+ }
+ var methodNames = [ "addEventListener", "removeEventListener", "dispatchEvent" ];
+ [ Node, Window ].forEach(function(constructor) {
+ var p = constructor.prototype;
+ methodNames.forEach(function(name) {
+ Object.defineProperty(p, name + "_", {
+ value: p[name]
+ });
+ });
+ });
+ function getTargetToListenAt(wrapper) {
+ if (wrapper instanceof wrappers.ShadowRoot) wrapper = wrapper.host;
+ return unwrap(wrapper);
+ }
+ EventTarget.prototype = {
+ addEventListener: function(type, fun, capture) {
+ if (!isValidListener(fun) || isMutationEvent(type)) return;
+ var listener = new Listener(type, fun, capture);
+ var listeners = listenersTable.get(this);
+ if (!listeners) {
+ listeners = [];
+ listeners.depth = 0;
+ listenersTable.set(this, listeners);
+ } else {
+ for (var i = 0; i < listeners.length; i++) {
+ if (listener.equals(listeners[i])) return;
+ }
+ }
+ listeners.push(listener);
+ var target = getTargetToListenAt(this);
+ target.addEventListener_(type, dispatchOriginalEvent, true);
+ },
+ removeEventListener: function(type, fun, capture) {
+ capture = Boolean(capture);
+ var listeners = listenersTable.get(this);
+ if (!listeners) return;
+ var count = 0, found = false;
+ for (var i = 0; i < listeners.length; i++) {
+ if (listeners[i].type === type && listeners[i].capture === capture) {
+ count++;
+ if (listeners[i].handler === fun) {
+ found = true;
+ listeners[i].remove();
+ }
+ }
+ }
+ if (found && count === 1) {
+ var target = getTargetToListenAt(this);
+ target.removeEventListener_(type, dispatchOriginalEvent, true);
+ }
+ },
+ dispatchEvent: function(event) {
+ var nativeEvent = unwrap(event);
+ var eventType = nativeEvent.type;
+ handledEventsTable.set(nativeEvent, false);
+ scope.renderAllPending();
+ var tempListener;
+ if (!hasListenerInAncestors(this, eventType)) {
+ tempListener = function() {};
+ this.addEventListener(eventType, tempListener, true);
+ }
+ try {
+ return unwrap(this).dispatchEvent_(nativeEvent);
+ } finally {
+ if (tempListener) this.removeEventListener(eventType, tempListener, true);
+ }
+ }
+ };
+ function hasListener(node, type) {
+ var listeners = listenersTable.get(node);
+ if (listeners) {
+ for (var i = 0; i < listeners.length; i++) {
+ if (!listeners[i].removed && listeners[i].type === type) return true;
+ }
+ }
+ return false;
+ }
+ function hasListenerInAncestors(target, type) {
+ for (var node = unwrap(target); node; node = node.parentNode) {
+ if (hasListener(wrap(node), type)) return true;
+ }
+ return false;
+ }
+ if (OriginalEventTarget) registerWrapper(OriginalEventTarget, EventTarget);
+ function wrapEventTargetMethods(constructors) {
+ forwardMethodsToWrapper(constructors, methodNames);
+ }
+ var originalElementFromPoint = document.elementFromPoint;
+ function elementFromPoint(self, document, x, y) {
+ scope.renderAllPending();
+ var element = wrap(originalElementFromPoint.call(unsafeUnwrap(document), x, y));
+ if (!element) return null;
+ var path = getEventPath(element, null);
+ var idx = path.lastIndexOf(self);
+ if (idx == -1) return null; else path = path.slice(0, idx);
+ return eventRetargetting(path, self);
+ }
+ function getEventHandlerGetter(name) {
+ return function() {
+ var inlineEventHandlers = eventHandlersTable.get(this);
+ return inlineEventHandlers && inlineEventHandlers[name] && inlineEventHandlers[name].value || null;
+ };
+ }
+ function getEventHandlerSetter(name) {
+ var eventType = name.slice(2);
+ return function(value) {
+ var inlineEventHandlers = eventHandlersTable.get(this);
+ if (!inlineEventHandlers) {
+ inlineEventHandlers = Object.create(null);
+ eventHandlersTable.set(this, inlineEventHandlers);
+ }
+ var old = inlineEventHandlers[name];
+ if (old) this.removeEventListener(eventType, old.wrapped, false);
+ if (typeof value === "function") {
+ var wrapped = function(e) {
+ var rv = value.call(this, e);
+ if (rv === false) e.preventDefault(); else if (name === "onbeforeunload" && typeof rv === "string") e.returnValue = rv;
+ };
+ this.addEventListener(eventType, wrapped, false);
+ inlineEventHandlers[name] = {
+ value: value,
+ wrapped: wrapped
+ };
+ }
+ };
+ }
+ scope.elementFromPoint = elementFromPoint;
+ scope.getEventHandlerGetter = getEventHandlerGetter;
+ scope.getEventHandlerSetter = getEventHandlerSetter;
+ scope.wrapEventTargetMethods = wrapEventTargetMethods;
+ scope.wrappers.BeforeUnloadEvent = BeforeUnloadEvent;
+ scope.wrappers.CustomEvent = CustomEvent;
+ scope.wrappers.Event = Event;
+ scope.wrappers.EventTarget = EventTarget;
+ scope.wrappers.FocusEvent = FocusEvent;
+ scope.wrappers.MouseEvent = MouseEvent;
+ scope.wrappers.UIEvent = UIEvent;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var UIEvent = scope.wrappers.UIEvent;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var setWrapper = scope.setWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var wrap = scope.wrap;
+ var OriginalTouchEvent = window.TouchEvent;
+ if (!OriginalTouchEvent) return;
+ var nativeEvent;
+ try {
+ nativeEvent = document.createEvent("TouchEvent");
+ } catch (ex) {
+ return;
+ }
+ var nonEnumDescriptor = {
+ enumerable: false
+ };
+ function nonEnum(obj, prop) {
+ Object.defineProperty(obj, prop, nonEnumDescriptor);
+ }
+ function Touch(impl) {
+ setWrapper(impl, this);
+ }
+ Touch.prototype = {
+ get target() {
+ return wrap(unsafeUnwrap(this).target);
+ }
+ };
+ var descr = {
+ configurable: true,
+ enumerable: true,
+ get: null
+ };
+ [ "clientX", "clientY", "screenX", "screenY", "pageX", "pageY", "identifier", "webkitRadiusX", "webkitRadiusY", "webkitRotationAngle", "webkitForce" ].forEach(function(name) {
+ descr.get = function() {
+ return unsafeUnwrap(this)[name];
+ };
+ Object.defineProperty(Touch.prototype, name, descr);
+ });
+ function TouchList() {
+ this.length = 0;
+ nonEnum(this, "length");
+ }
+ TouchList.prototype = {
+ item: function(index) {
+ return this[index];
+ }
+ };
+ function wrapTouchList(nativeTouchList) {
+ var list = new TouchList();
+ for (var i = 0; i < nativeTouchList.length; i++) {
+ list[i] = new Touch(nativeTouchList[i]);
+ }
+ list.length = i;
+ return list;
+ }
+ function TouchEvent(impl) {
+ UIEvent.call(this, impl);
+ }
+ TouchEvent.prototype = Object.create(UIEvent.prototype);
+ mixin(TouchEvent.prototype, {
+ get touches() {
+ return wrapTouchList(unsafeUnwrap(this).touches);
+ },
+ get targetTouches() {
+ return wrapTouchList(unsafeUnwrap(this).targetTouches);
+ },
+ get changedTouches() {
+ return wrapTouchList(unsafeUnwrap(this).changedTouches);
+ },
+ initTouchEvent: function() {
+ throw new Error("Not implemented");
+ }
+ });
+ registerWrapper(OriginalTouchEvent, TouchEvent, nativeEvent);
+ scope.wrappers.Touch = Touch;
+ scope.wrappers.TouchEvent = TouchEvent;
+ scope.wrappers.TouchList = TouchList;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var wrap = scope.wrap;
+ var nonEnumDescriptor = {
+ enumerable: false
+ };
+ function nonEnum(obj, prop) {
+ Object.defineProperty(obj, prop, nonEnumDescriptor);
+ }
+ function NodeList() {
+ this.length = 0;
+ nonEnum(this, "length");
+ }
+ NodeList.prototype = {
+ item: function(index) {
+ return this[index];
+ }
+ };
+ nonEnum(NodeList.prototype, "item");
+ function wrapNodeList(list) {
+ if (list == null) return list;
+ var wrapperList = new NodeList();
+ for (var i = 0, length = list.length; i < length; i++) {
+ wrapperList[i] = wrap(list[i]);
+ }
+ wrapperList.length = length;
+ return wrapperList;
+ }
+ function addWrapNodeListMethod(wrapperConstructor, name) {
+ wrapperConstructor.prototype[name] = function() {
+ return wrapNodeList(unsafeUnwrap(this)[name].apply(unsafeUnwrap(this), arguments));
+ };
+ }
+ scope.wrappers.NodeList = NodeList;
+ scope.addWrapNodeListMethod = addWrapNodeListMethod;
+ scope.wrapNodeList = wrapNodeList;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ scope.wrapHTMLCollection = scope.wrapNodeList;
+ scope.wrappers.HTMLCollection = scope.wrappers.NodeList;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var EventTarget = scope.wrappers.EventTarget;
+ var NodeList = scope.wrappers.NodeList;
+ var TreeScope = scope.TreeScope;
+ var assert = scope.assert;
+ var defineWrapGetter = scope.defineWrapGetter;
+ var enqueueMutation = scope.enqueueMutation;
+ var getTreeScope = scope.getTreeScope;
+ var isWrapper = scope.isWrapper;
+ var mixin = scope.mixin;
+ var registerTransientObservers = scope.registerTransientObservers;
+ var registerWrapper = scope.registerWrapper;
+ var setTreeScope = scope.setTreeScope;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var unwrapIfNeeded = scope.unwrapIfNeeded;
+ var wrap = scope.wrap;
+ var wrapIfNeeded = scope.wrapIfNeeded;
+ var wrappers = scope.wrappers;
+ function assertIsNodeWrapper(node) {
+ assert(node instanceof Node);
+ }
+ function createOneElementNodeList(node) {
+ var nodes = new NodeList();
+ nodes[0] = node;
+ nodes.length = 1;
+ return nodes;
+ }
+ var surpressMutations = false;
+ function enqueueRemovalForInsertedNodes(node, parent, nodes) {
+ enqueueMutation(parent, "childList", {
+ removedNodes: nodes,
+ previousSibling: node.previousSibling,
+ nextSibling: node.nextSibling
+ });
+ }
+ function enqueueRemovalForInsertedDocumentFragment(df, nodes) {
+ enqueueMutation(df, "childList", {
+ removedNodes: nodes
+ });
+ }
+ function collectNodes(node, parentNode, previousNode, nextNode) {
+ if (node instanceof DocumentFragment) {
+ var nodes = collectNodesForDocumentFragment(node);
+ surpressMutations = true;
+ for (var i = nodes.length - 1; i >= 0; i--) {
+ node.removeChild(nodes[i]);
+ nodes[i].parentNode_ = parentNode;
+ }
+ surpressMutations = false;
+ for (var i = 0; i < nodes.length; i++) {
+ nodes[i].previousSibling_ = nodes[i - 1] || previousNode;
+ nodes[i].nextSibling_ = nodes[i + 1] || nextNode;
+ }
+ if (previousNode) previousNode.nextSibling_ = nodes[0];
+ if (nextNode) nextNode.previousSibling_ = nodes[nodes.length - 1];
+ return nodes;
+ }
+ var nodes = createOneElementNodeList(node);
+ var oldParent = node.parentNode;
+ if (oldParent) {
+ oldParent.removeChild(node);
+ }
+ node.parentNode_ = parentNode;
+ node.previousSibling_ = previousNode;
+ node.nextSibling_ = nextNode;
+ if (previousNode) previousNode.nextSibling_ = node;
+ if (nextNode) nextNode.previousSibling_ = node;
+ return nodes;
+ }
+ function collectNodesNative(node) {
+ if (node instanceof DocumentFragment) return collectNodesForDocumentFragment(node);
+ var nodes = createOneElementNodeList(node);
+ var oldParent = node.parentNode;
+ if (oldParent) enqueueRemovalForInsertedNodes(node, oldParent, nodes);
+ return nodes;
+ }
+ function collectNodesForDocumentFragment(node) {
+ var nodes = new NodeList();
+ var i = 0;
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ nodes[i++] = child;
+ }
+ nodes.length = i;
+ enqueueRemovalForInsertedDocumentFragment(node, nodes);
+ return nodes;
+ }
+ function snapshotNodeList(nodeList) {
+ return nodeList;
+ }
+ function nodeWasAdded(node, treeScope) {
+ setTreeScope(node, treeScope);
+ node.nodeIsInserted_();
+ }
+ function nodesWereAdded(nodes, parent) {
+ var treeScope = getTreeScope(parent);
+ for (var i = 0; i < nodes.length; i++) {
+ nodeWasAdded(nodes[i], treeScope);
+ }
+ }
+ function nodeWasRemoved(node) {
+ setTreeScope(node, new TreeScope(node, null));
+ }
+ function nodesWereRemoved(nodes) {
+ for (var i = 0; i < nodes.length; i++) {
+ nodeWasRemoved(nodes[i]);
+ }
+ }
+ function ensureSameOwnerDocument(parent, child) {
+ var ownerDoc = parent.nodeType === Node.DOCUMENT_NODE ? parent : parent.ownerDocument;
+ if (ownerDoc !== child.ownerDocument) ownerDoc.adoptNode(child);
+ }
+ function adoptNodesIfNeeded(owner, nodes) {
+ if (!nodes.length) return;
+ var ownerDoc = owner.ownerDocument;
+ if (ownerDoc === nodes[0].ownerDocument) return;
+ for (var i = 0; i < nodes.length; i++) {
+ scope.adoptNodeNoRemove(nodes[i], ownerDoc);
+ }
+ }
+ function unwrapNodesForInsertion(owner, nodes) {
+ adoptNodesIfNeeded(owner, nodes);
+ var length = nodes.length;
+ if (length === 1) return unwrap(nodes[0]);
+ var df = unwrap(owner.ownerDocument.createDocumentFragment());
+ for (var i = 0; i < length; i++) {
+ df.appendChild(unwrap(nodes[i]));
+ }
+ return df;
+ }
+ function clearChildNodes(wrapper) {
+ if (wrapper.firstChild_ !== undefined) {
+ var child = wrapper.firstChild_;
+ while (child) {
+ var tmp = child;
+ child = child.nextSibling_;
+ tmp.parentNode_ = tmp.previousSibling_ = tmp.nextSibling_ = undefined;
+ }
+ }
+ wrapper.firstChild_ = wrapper.lastChild_ = undefined;
+ }
+ function removeAllChildNodes(wrapper) {
+ if (wrapper.invalidateShadowRenderer()) {
+ var childWrapper = wrapper.firstChild;
+ while (childWrapper) {
+ assert(childWrapper.parentNode === wrapper);
+ var nextSibling = childWrapper.nextSibling;
+ var childNode = unwrap(childWrapper);
+ var parentNode = childNode.parentNode;
+ if (parentNode) originalRemoveChild.call(parentNode, childNode);
+ childWrapper.previousSibling_ = childWrapper.nextSibling_ = childWrapper.parentNode_ = null;
+ childWrapper = nextSibling;
+ }
+ wrapper.firstChild_ = wrapper.lastChild_ = null;
+ } else {
+ var node = unwrap(wrapper);
+ var child = node.firstChild;
+ var nextSibling;
+ while (child) {
+ nextSibling = child.nextSibling;
+ originalRemoveChild.call(node, child);
+ child = nextSibling;
+ }
+ }
+ }
+ function invalidateParent(node) {
+ var p = node.parentNode;
+ return p && p.invalidateShadowRenderer();
+ }
+ function cleanupNodes(nodes) {
+ for (var i = 0, n; i < nodes.length; i++) {
+ n = nodes[i];
+ n.parentNode.removeChild(n);
+ }
+ }
+ var originalImportNode = document.importNode;
+ var originalCloneNode = window.Node.prototype.cloneNode;
+ function cloneNode(node, deep, opt_doc) {
+ var clone;
+ if (opt_doc) clone = wrap(originalImportNode.call(opt_doc, unsafeUnwrap(node), false)); else clone = wrap(originalCloneNode.call(unsafeUnwrap(node), false));
+ if (deep) {
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ clone.appendChild(cloneNode(child, true, opt_doc));
+ }
+ if (node instanceof wrappers.HTMLTemplateElement) {
+ var cloneContent = clone.content;
+ for (var child = node.content.firstChild; child; child = child.nextSibling) {
+ cloneContent.appendChild(cloneNode(child, true, opt_doc));
+ }
+ }
+ }
+ return clone;
+ }
+ function contains(self, child) {
+ if (!child || getTreeScope(self) !== getTreeScope(child)) return false;
+ for (var node = child; node; node = node.parentNode) {
+ if (node === self) return true;
+ }
+ return false;
+ }
+ var OriginalNode = window.Node;
+ function Node(original) {
+ assert(original instanceof OriginalNode);
+ EventTarget.call(this, original);
+ this.parentNode_ = undefined;
+ this.firstChild_ = undefined;
+ this.lastChild_ = undefined;
+ this.nextSibling_ = undefined;
+ this.previousSibling_ = undefined;
+ this.treeScope_ = undefined;
+ }
+ var OriginalDocumentFragment = window.DocumentFragment;
+ var originalAppendChild = OriginalNode.prototype.appendChild;
+ var originalCompareDocumentPosition = OriginalNode.prototype.compareDocumentPosition;
+ var originalIsEqualNode = OriginalNode.prototype.isEqualNode;
+ var originalInsertBefore = OriginalNode.prototype.insertBefore;
+ var originalRemoveChild = OriginalNode.prototype.removeChild;
+ var originalReplaceChild = OriginalNode.prototype.replaceChild;
+ var isIEOrEdge = /Trident|Edge/.test(navigator.userAgent);
+ var removeChildOriginalHelper = isIEOrEdge ? function(parent, child) {
+ try {
+ originalRemoveChild.call(parent, child);
+ } catch (ex) {
+ if (!(parent instanceof OriginalDocumentFragment)) throw ex;
+ }
+ } : function(parent, child) {
+ originalRemoveChild.call(parent, child);
+ };
+ Node.prototype = Object.create(EventTarget.prototype);
+ mixin(Node.prototype, {
+ appendChild: function(childWrapper) {
+ return this.insertBefore(childWrapper, null);
+ },
+ insertBefore: function(childWrapper, refWrapper) {
+ assertIsNodeWrapper(childWrapper);
+ var refNode;
+ if (refWrapper) {
+ if (isWrapper(refWrapper)) {
+ refNode = unwrap(refWrapper);
+ } else {
+ refNode = refWrapper;
+ refWrapper = wrap(refNode);
+ }
+ } else {
+ refWrapper = null;
+ refNode = null;
+ }
+ refWrapper && assert(refWrapper.parentNode === this);
+ var nodes;
+ var previousNode = refWrapper ? refWrapper.previousSibling : this.lastChild;
+ var useNative = !this.invalidateShadowRenderer() && !invalidateParent(childWrapper);
+ if (useNative) nodes = collectNodesNative(childWrapper); else nodes = collectNodes(childWrapper, this, previousNode, refWrapper);
+ if (useNative) {
+ ensureSameOwnerDocument(this, childWrapper);
+ clearChildNodes(this);
+ originalInsertBefore.call(unsafeUnwrap(this), unwrap(childWrapper), refNode);
+ } else {
+ if (!previousNode) this.firstChild_ = nodes[0];
+ if (!refWrapper) {
+ this.lastChild_ = nodes[nodes.length - 1];
+ if (this.firstChild_ === undefined) this.firstChild_ = this.firstChild;
+ }
+ var parentNode = refNode ? refNode.parentNode : unsafeUnwrap(this);
+ if (parentNode) {
+ originalInsertBefore.call(parentNode, unwrapNodesForInsertion(this, nodes), refNode);
+ } else {
+ adoptNodesIfNeeded(this, nodes);
+ }
+ }
+ enqueueMutation(this, "childList", {
+ addedNodes: nodes,
+ nextSibling: refWrapper,
+ previousSibling: previousNode
+ });
+ nodesWereAdded(nodes, this);
+ return childWrapper;
+ },
+ removeChild: function(childWrapper) {
+ assertIsNodeWrapper(childWrapper);
+ if (childWrapper.parentNode !== this) {
+ var found = false;
+ var childNodes = this.childNodes;
+ for (var ieChild = this.firstChild; ieChild; ieChild = ieChild.nextSibling) {
+ if (ieChild === childWrapper) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ throw new Error("NotFoundError");
+ }
+ }
+ var childNode = unwrap(childWrapper);
+ var childWrapperNextSibling = childWrapper.nextSibling;
+ var childWrapperPreviousSibling = childWrapper.previousSibling;
+ if (this.invalidateShadowRenderer()) {
+ var thisFirstChild = this.firstChild;
+ var thisLastChild = this.lastChild;
+ var parentNode = childNode.parentNode;
+ if (parentNode) removeChildOriginalHelper(parentNode, childNode);
+ if (thisFirstChild === childWrapper) this.firstChild_ = childWrapperNextSibling;
+ if (thisLastChild === childWrapper) this.lastChild_ = childWrapperPreviousSibling;
+ if (childWrapperPreviousSibling) childWrapperPreviousSibling.nextSibling_ = childWrapperNextSibling;
+ if (childWrapperNextSibling) {
+ childWrapperNextSibling.previousSibling_ = childWrapperPreviousSibling;
+ }
+ childWrapper.previousSibling_ = childWrapper.nextSibling_ = childWrapper.parentNode_ = undefined;
+ } else {
+ clearChildNodes(this);
+ removeChildOriginalHelper(unsafeUnwrap(this), childNode);
+ }
+ if (!surpressMutations) {
+ enqueueMutation(this, "childList", {
+ removedNodes: createOneElementNodeList(childWrapper),
+ nextSibling: childWrapperNextSibling,
+ previousSibling: childWrapperPreviousSibling
+ });
+ }
+ registerTransientObservers(this, childWrapper);
+ return childWrapper;
+ },
+ replaceChild: function(newChildWrapper, oldChildWrapper) {
+ assertIsNodeWrapper(newChildWrapper);
+ var oldChildNode;
+ if (isWrapper(oldChildWrapper)) {
+ oldChildNode = unwrap(oldChildWrapper);
+ } else {
+ oldChildNode = oldChildWrapper;
+ oldChildWrapper = wrap(oldChildNode);
+ }
+ if (oldChildWrapper.parentNode !== this) {
+ throw new Error("NotFoundError");
+ }
+ var nextNode = oldChildWrapper.nextSibling;
+ var previousNode = oldChildWrapper.previousSibling;
+ var nodes;
+ var useNative = !this.invalidateShadowRenderer() && !invalidateParent(newChildWrapper);
+ if (useNative) {
+ nodes = collectNodesNative(newChildWrapper);
+ } else {
+ if (nextNode === newChildWrapper) nextNode = newChildWrapper.nextSibling;
+ nodes = collectNodes(newChildWrapper, this, previousNode, nextNode);
+ }
+ if (!useNative) {
+ if (this.firstChild === oldChildWrapper) this.firstChild_ = nodes[0];
+ if (this.lastChild === oldChildWrapper) this.lastChild_ = nodes[nodes.length - 1];
+ oldChildWrapper.previousSibling_ = oldChildWrapper.nextSibling_ = oldChildWrapper.parentNode_ = undefined;
+ if (oldChildNode.parentNode) {
+ originalReplaceChild.call(oldChildNode.parentNode, unwrapNodesForInsertion(this, nodes), oldChildNode);
+ }
+ } else {
+ ensureSameOwnerDocument(this, newChildWrapper);
+ clearChildNodes(this);
+ originalReplaceChild.call(unsafeUnwrap(this), unwrap(newChildWrapper), oldChildNode);
+ }
+ enqueueMutation(this, "childList", {
+ addedNodes: nodes,
+ removedNodes: createOneElementNodeList(oldChildWrapper),
+ nextSibling: nextNode,
+ previousSibling: previousNode
+ });
+ nodeWasRemoved(oldChildWrapper);
+ nodesWereAdded(nodes, this);
+ return oldChildWrapper;
+ },
+ nodeIsInserted_: function() {
+ for (var child = this.firstChild; child; child = child.nextSibling) {
+ child.nodeIsInserted_();
+ }
+ },
+ hasChildNodes: function() {
+ return this.firstChild !== null;
+ },
+ get parentNode() {
+ return this.parentNode_ !== undefined ? this.parentNode_ : wrap(unsafeUnwrap(this).parentNode);
+ },
+ get firstChild() {
+ return this.firstChild_ !== undefined ? this.firstChild_ : wrap(unsafeUnwrap(this).firstChild);
+ },
+ get lastChild() {
+ return this.lastChild_ !== undefined ? this.lastChild_ : wrap(unsafeUnwrap(this).lastChild);
+ },
+ get nextSibling() {
+ return this.nextSibling_ !== undefined ? this.nextSibling_ : wrap(unsafeUnwrap(this).nextSibling);
+ },
+ get previousSibling() {
+ return this.previousSibling_ !== undefined ? this.previousSibling_ : wrap(unsafeUnwrap(this).previousSibling);
+ },
+ get parentElement() {
+ var p = this.parentNode;
+ while (p && p.nodeType !== Node.ELEMENT_NODE) {
+ p = p.parentNode;
+ }
+ return p;
+ },
+ get textContent() {
+ var s = "";
+ for (var child = this.firstChild; child; child = child.nextSibling) {
+ if (child.nodeType != Node.COMMENT_NODE) {
+ s += child.textContent;
+ }
+ }
+ return s;
+ },
+ set textContent(textContent) {
+ if (textContent == null) textContent = "";
+ var removedNodes = snapshotNodeList(this.childNodes);
+ if (this.invalidateShadowRenderer()) {
+ removeAllChildNodes(this);
+ if (textContent !== "") {
+ var textNode = unsafeUnwrap(this).ownerDocument.createTextNode(textContent);
+ this.appendChild(textNode);
+ }
+ } else {
+ clearChildNodes(this);
+ unsafeUnwrap(this).textContent = textContent;
+ }
+ var addedNodes = snapshotNodeList(this.childNodes);
+ enqueueMutation(this, "childList", {
+ addedNodes: addedNodes,
+ removedNodes: removedNodes
+ });
+ nodesWereRemoved(removedNodes);
+ nodesWereAdded(addedNodes, this);
+ },
+ get childNodes() {
+ var wrapperList = new NodeList();
+ var i = 0;
+ for (var child = this.firstChild; child; child = child.nextSibling) {
+ wrapperList[i++] = child;
+ }
+ wrapperList.length = i;
+ return wrapperList;
+ },
+ cloneNode: function(deep) {
+ return cloneNode(this, deep);
+ },
+ contains: function(child) {
+ return contains(this, wrapIfNeeded(child));
+ },
+ compareDocumentPosition: function(otherNode) {
+ return originalCompareDocumentPosition.call(unsafeUnwrap(this), unwrapIfNeeded(otherNode));
+ },
+ isEqualNode: function(otherNode) {
+ return originalIsEqualNode.call(unsafeUnwrap(this), unwrapIfNeeded(otherNode));
+ },
+ normalize: function() {
+ var nodes = snapshotNodeList(this.childNodes);
+ var remNodes = [];
+ var s = "";
+ var modNode;
+ for (var i = 0, n; i < nodes.length; i++) {
+ n = nodes[i];
+ if (n.nodeType === Node.TEXT_NODE) {
+ if (!modNode && !n.data.length) this.removeChild(n); else if (!modNode) modNode = n; else {
+ s += n.data;
+ remNodes.push(n);
+ }
+ } else {
+ if (modNode && remNodes.length) {
+ modNode.data += s;
+ cleanupNodes(remNodes);
+ }
+ remNodes = [];
+ s = "";
+ modNode = null;
+ if (n.childNodes.length) n.normalize();
+ }
+ }
+ if (modNode && remNodes.length) {
+ modNode.data += s;
+ cleanupNodes(remNodes);
+ }
+ }
+ });
+ defineWrapGetter(Node, "ownerDocument");
+ registerWrapper(OriginalNode, Node, document.createDocumentFragment());
+ delete Node.prototype.querySelector;
+ delete Node.prototype.querySelectorAll;
+ Node.prototype = mixin(Object.create(EventTarget.prototype), Node.prototype);
+ scope.cloneNode = cloneNode;
+ scope.nodeWasAdded = nodeWasAdded;
+ scope.nodeWasRemoved = nodeWasRemoved;
+ scope.nodesWereAdded = nodesWereAdded;
+ scope.nodesWereRemoved = nodesWereRemoved;
+ scope.originalInsertBefore = originalInsertBefore;
+ scope.originalRemoveChild = originalRemoveChild;
+ scope.snapshotNodeList = snapshotNodeList;
+ scope.wrappers.Node = Node;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLCollection = scope.wrappers.HTMLCollection;
+ var NodeList = scope.wrappers.NodeList;
+ var getTreeScope = scope.getTreeScope;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var wrap = scope.wrap;
+ var originalDocumentQuerySelector = document.querySelector;
+ var originalElementQuerySelector = document.documentElement.querySelector;
+ var originalDocumentQuerySelectorAll = document.querySelectorAll;
+ var originalElementQuerySelectorAll = document.documentElement.querySelectorAll;
+ var originalDocumentGetElementsByTagName = document.getElementsByTagName;
+ var originalElementGetElementsByTagName = document.documentElement.getElementsByTagName;
+ var originalDocumentGetElementsByTagNameNS = document.getElementsByTagNameNS;
+ var originalElementGetElementsByTagNameNS = document.documentElement.getElementsByTagNameNS;
+ var OriginalElement = window.Element;
+ var OriginalDocument = window.HTMLDocument || window.Document;
+ function filterNodeList(list, index, result, deep) {
+ var wrappedItem = null;
+ var root = null;
+ for (var i = 0, length = list.length; i < length; i++) {
+ wrappedItem = wrap(list[i]);
+ if (!deep && (root = getTreeScope(wrappedItem).root)) {
+ if (root instanceof scope.wrappers.ShadowRoot) {
+ continue;
+ }
+ }
+ result[index++] = wrappedItem;
+ }
+ return index;
+ }
+ function shimSelector(selector) {
+ return String(selector).replace(/\/deep\/|::shadow|>>>/g, " ");
+ }
+ function shimMatchesSelector(selector) {
+ return String(selector).replace(/:host\(([^\s]+)\)/g, "$1").replace(/([^\s]):host/g, "$1").replace(":host", "*").replace(/\^|\/shadow\/|\/shadow-deep\/|::shadow|\/deep\/|::content|>>>/g, " ");
+ }
+ function findOne(node, selector) {
+ var m, el = node.firstElementChild;
+ while (el) {
+ if (el.matches(selector)) return el;
+ m = findOne(el, selector);
+ if (m) return m;
+ el = el.nextElementSibling;
+ }
+ return null;
+ }
+ function matchesSelector(el, selector) {
+ return el.matches(selector);
+ }
+ var XHTML_NS = "http://www.w3.org/1999/xhtml";
+ function matchesTagName(el, localName, localNameLowerCase) {
+ var ln = el.localName;
+ return ln === localName || ln === localNameLowerCase && el.namespaceURI === XHTML_NS;
+ }
+ function matchesEveryThing() {
+ return true;
+ }
+ function matchesLocalNameOnly(el, ns, localName) {
+ return el.localName === localName;
+ }
+ function matchesNameSpace(el, ns) {
+ return el.namespaceURI === ns;
+ }
+ function matchesLocalNameNS(el, ns, localName) {
+ return el.namespaceURI === ns && el.localName === localName;
+ }
+ function findElements(node, index, result, p, arg0, arg1) {
+ var el = node.firstElementChild;
+ while (el) {
+ if (p(el, arg0, arg1)) result[index++] = el;
+ index = findElements(el, index, result, p, arg0, arg1);
+ el = el.nextElementSibling;
+ }
+ return index;
+ }
+ function querySelectorAllFiltered(p, index, result, selector, deep) {
+ var target = unsafeUnwrap(this);
+ var list;
+ var root = getTreeScope(this).root;
+ if (root instanceof scope.wrappers.ShadowRoot) {
+ return findElements(this, index, result, p, selector, null);
+ } else if (target instanceof OriginalElement) {
+ list = originalElementQuerySelectorAll.call(target, selector);
+ } else if (target instanceof OriginalDocument) {
+ list = originalDocumentQuerySelectorAll.call(target, selector);
+ } else {
+ return findElements(this, index, result, p, selector, null);
+ }
+ return filterNodeList(list, index, result, deep);
+ }
+ var SelectorsInterface = {
+ querySelector: function(selector) {
+ var shimmed = shimSelector(selector);
+ var deep = shimmed !== selector;
+ selector = shimmed;
+ var target = unsafeUnwrap(this);
+ var wrappedItem;
+ var root = getTreeScope(this).root;
+ if (root instanceof scope.wrappers.ShadowRoot) {
+ return findOne(this, selector);
+ } else if (target instanceof OriginalElement) {
+ wrappedItem = wrap(originalElementQuerySelector.call(target, selector));
+ } else if (target instanceof OriginalDocument) {
+ wrappedItem = wrap(originalDocumentQuerySelector.call(target, selector));
+ } else {
+ return findOne(this, selector);
+ }
+ if (!wrappedItem) {
+ return wrappedItem;
+ } else if (!deep && (root = getTreeScope(wrappedItem).root)) {
+ if (root instanceof scope.wrappers.ShadowRoot) {
+ return findOne(this, selector);
+ }
+ }
+ return wrappedItem;
+ },
+ querySelectorAll: function(selector) {
+ var shimmed = shimSelector(selector);
+ var deep = shimmed !== selector;
+ selector = shimmed;
+ var result = new NodeList();
+ result.length = querySelectorAllFiltered.call(this, matchesSelector, 0, result, selector, deep);
+ return result;
+ }
+ };
+ var MatchesInterface = {
+ matches: function(selector) {
+ selector = shimMatchesSelector(selector);
+ return scope.originalMatches.call(unsafeUnwrap(this), selector);
+ }
+ };
+ function getElementsByTagNameFiltered(p, index, result, localName, lowercase) {
+ var target = unsafeUnwrap(this);
+ var list;
+ var root = getTreeScope(this).root;
+ if (root instanceof scope.wrappers.ShadowRoot) {
+ return findElements(this, index, result, p, localName, lowercase);
+ } else if (target instanceof OriginalElement) {
+ list = originalElementGetElementsByTagName.call(target, localName, lowercase);
+ } else if (target instanceof OriginalDocument) {
+ list = originalDocumentGetElementsByTagName.call(target, localName, lowercase);
+ } else {
+ return findElements(this, index, result, p, localName, lowercase);
+ }
+ return filterNodeList(list, index, result, false);
+ }
+ function getElementsByTagNameNSFiltered(p, index, result, ns, localName) {
+ var target = unsafeUnwrap(this);
+ var list;
+ var root = getTreeScope(this).root;
+ if (root instanceof scope.wrappers.ShadowRoot) {
+ return findElements(this, index, result, p, ns, localName);
+ } else if (target instanceof OriginalElement) {
+ list = originalElementGetElementsByTagNameNS.call(target, ns, localName);
+ } else if (target instanceof OriginalDocument) {
+ list = originalDocumentGetElementsByTagNameNS.call(target, ns, localName);
+ } else {
+ return findElements(this, index, result, p, ns, localName);
+ }
+ return filterNodeList(list, index, result, false);
+ }
+ var GetElementsByInterface = {
+ getElementsByTagName: function(localName) {
+ var result = new HTMLCollection();
+ var match = localName === "*" ? matchesEveryThing : matchesTagName;
+ result.length = getElementsByTagNameFiltered.call(this, match, 0, result, localName, localName.toLowerCase());
+ return result;
+ },
+ getElementsByClassName: function(className) {
+ return this.querySelectorAll("." + className);
+ },
+ getElementsByTagNameNS: function(ns, localName) {
+ var result = new HTMLCollection();
+ var match = null;
+ if (ns === "*") {
+ match = localName === "*" ? matchesEveryThing : matchesLocalNameOnly;
+ } else {
+ match = localName === "*" ? matchesNameSpace : matchesLocalNameNS;
+ }
+ result.length = getElementsByTagNameNSFiltered.call(this, match, 0, result, ns || null, localName);
+ return result;
+ }
+ };
+ scope.GetElementsByInterface = GetElementsByInterface;
+ scope.SelectorsInterface = SelectorsInterface;
+ scope.MatchesInterface = MatchesInterface;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var NodeList = scope.wrappers.NodeList;
+ function forwardElement(node) {
+ while (node && node.nodeType !== Node.ELEMENT_NODE) {
+ node = node.nextSibling;
+ }
+ return node;
+ }
+ function backwardsElement(node) {
+ while (node && node.nodeType !== Node.ELEMENT_NODE) {
+ node = node.previousSibling;
+ }
+ return node;
+ }
+ var ParentNodeInterface = {
+ get firstElementChild() {
+ return forwardElement(this.firstChild);
+ },
+ get lastElementChild() {
+ return backwardsElement(this.lastChild);
+ },
+ get childElementCount() {
+ var count = 0;
+ for (var child = this.firstElementChild; child; child = child.nextElementSibling) {
+ count++;
+ }
+ return count;
+ },
+ get children() {
+ var wrapperList = new NodeList();
+ var i = 0;
+ for (var child = this.firstElementChild; child; child = child.nextElementSibling) {
+ wrapperList[i++] = child;
+ }
+ wrapperList.length = i;
+ return wrapperList;
+ },
+ remove: function() {
+ var p = this.parentNode;
+ if (p) p.removeChild(this);
+ }
+ };
+ var ChildNodeInterface = {
+ get nextElementSibling() {
+ return forwardElement(this.nextSibling);
+ },
+ get previousElementSibling() {
+ return backwardsElement(this.previousSibling);
+ }
+ };
+ var NonElementParentNodeInterface = {
+ getElementById: function(id) {
+ if (/[ \t\n\r\f]/.test(id)) return null;
+ return this.querySelector('[id="' + id + '"]');
+ }
+ };
+ scope.ChildNodeInterface = ChildNodeInterface;
+ scope.NonElementParentNodeInterface = NonElementParentNodeInterface;
+ scope.ParentNodeInterface = ParentNodeInterface;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var ChildNodeInterface = scope.ChildNodeInterface;
+ var Node = scope.wrappers.Node;
+ var enqueueMutation = scope.enqueueMutation;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var OriginalCharacterData = window.CharacterData;
+ function CharacterData(node) {
+ Node.call(this, node);
+ }
+ CharacterData.prototype = Object.create(Node.prototype);
+ mixin(CharacterData.prototype, {
+ get nodeValue() {
+ return this.data;
+ },
+ set nodeValue(data) {
+ this.data = data;
+ },
+ get textContent() {
+ return this.data;
+ },
+ set textContent(value) {
+ this.data = value;
+ },
+ get data() {
+ return unsafeUnwrap(this).data;
+ },
+ set data(value) {
+ var oldValue = unsafeUnwrap(this).data;
+ enqueueMutation(this, "characterData", {
+ oldValue: oldValue
+ });
+ unsafeUnwrap(this).data = value;
+ }
+ });
+ mixin(CharacterData.prototype, ChildNodeInterface);
+ registerWrapper(OriginalCharacterData, CharacterData, document.createTextNode(""));
+ scope.wrappers.CharacterData = CharacterData;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var CharacterData = scope.wrappers.CharacterData;
+ var enqueueMutation = scope.enqueueMutation;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ function toUInt32(x) {
+ return x >>> 0;
+ }
+ var OriginalText = window.Text;
+ function Text(node) {
+ CharacterData.call(this, node);
+ }
+ Text.prototype = Object.create(CharacterData.prototype);
+ mixin(Text.prototype, {
+ splitText: function(offset) {
+ offset = toUInt32(offset);
+ var s = this.data;
+ if (offset > s.length) throw new Error("IndexSizeError");
+ var head = s.slice(0, offset);
+ var tail = s.slice(offset);
+ this.data = head;
+ var newTextNode = this.ownerDocument.createTextNode(tail);
+ if (this.parentNode) this.parentNode.insertBefore(newTextNode, this.nextSibling);
+ return newTextNode;
+ }
+ });
+ registerWrapper(OriginalText, Text, document.createTextNode(""));
+ scope.wrappers.Text = Text;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ if (!window.DOMTokenList) {
+ console.warn("Missing DOMTokenList prototype, please include a " + "compatible classList polyfill such as http://goo.gl/uTcepH.");
+ return;
+ }
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var enqueueMutation = scope.enqueueMutation;
+ function getClass(el) {
+ return unsafeUnwrap(el).getAttribute("class");
+ }
+ function enqueueClassAttributeChange(el, oldValue) {
+ enqueueMutation(el, "attributes", {
+ name: "class",
+ namespace: null,
+ oldValue: oldValue
+ });
+ }
+ function invalidateClass(el) {
+ scope.invalidateRendererBasedOnAttribute(el, "class");
+ }
+ function changeClass(tokenList, method, args) {
+ var ownerElement = tokenList.ownerElement_;
+ if (ownerElement == null) {
+ return method.apply(tokenList, args);
+ }
+ var oldValue = getClass(ownerElement);
+ var retv = method.apply(tokenList, args);
+ if (getClass(ownerElement) !== oldValue) {
+ enqueueClassAttributeChange(ownerElement, oldValue);
+ invalidateClass(ownerElement);
+ }
+ return retv;
+ }
+ var oldAdd = DOMTokenList.prototype.add;
+ DOMTokenList.prototype.add = function() {
+ changeClass(this, oldAdd, arguments);
+ };
+ var oldRemove = DOMTokenList.prototype.remove;
+ DOMTokenList.prototype.remove = function() {
+ changeClass(this, oldRemove, arguments);
+ };
+ var oldToggle = DOMTokenList.prototype.toggle;
+ DOMTokenList.prototype.toggle = function() {
+ return changeClass(this, oldToggle, arguments);
+ };
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var ChildNodeInterface = scope.ChildNodeInterface;
+ var GetElementsByInterface = scope.GetElementsByInterface;
+ var Node = scope.wrappers.Node;
+ var ParentNodeInterface = scope.ParentNodeInterface;
+ var SelectorsInterface = scope.SelectorsInterface;
+ var MatchesInterface = scope.MatchesInterface;
+ var addWrapNodeListMethod = scope.addWrapNodeListMethod;
+ var enqueueMutation = scope.enqueueMutation;
+ var mixin = scope.mixin;
+ var oneOf = scope.oneOf;
+ var registerWrapper = scope.registerWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var wrappers = scope.wrappers;
+ var OriginalElement = window.Element;
+ var matchesNames = [ "matches", "mozMatchesSelector", "msMatchesSelector", "webkitMatchesSelector" ].filter(function(name) {
+ return OriginalElement.prototype[name];
+ });
+ var matchesName = matchesNames[0];
+ var originalMatches = OriginalElement.prototype[matchesName];
+ function invalidateRendererBasedOnAttribute(element, name) {
+ var p = element.parentNode;
+ if (!p || !p.shadowRoot) return;
+ var renderer = scope.getRendererForHost(p);
+ if (renderer.dependsOnAttribute(name)) renderer.invalidate();
+ }
+ function enqueAttributeChange(element, name, oldValue) {
+ enqueueMutation(element, "attributes", {
+ name: name,
+ namespace: null,
+ oldValue: oldValue
+ });
+ }
+ var classListTable = new WeakMap();
+ function Element(node) {
+ Node.call(this, node);
+ }
+ Element.prototype = Object.create(Node.prototype);
+ mixin(Element.prototype, {
+ createShadowRoot: function() {
+ var newShadowRoot = new wrappers.ShadowRoot(this);
+ unsafeUnwrap(this).polymerShadowRoot_ = newShadowRoot;
+ var renderer = scope.getRendererForHost(this);
+ renderer.invalidate();
+ return newShadowRoot;
+ },
+ get shadowRoot() {
+ return unsafeUnwrap(this).polymerShadowRoot_ || null;
+ },
+ setAttribute: function(name, value) {
+ var oldValue = unsafeUnwrap(this).getAttribute(name);
+ unsafeUnwrap(this).setAttribute(name, value);
+ enqueAttributeChange(this, name, oldValue);
+ invalidateRendererBasedOnAttribute(this, name);
+ },
+ removeAttribute: function(name) {
+ var oldValue = unsafeUnwrap(this).getAttribute(name);
+ unsafeUnwrap(this).removeAttribute(name);
+ enqueAttributeChange(this, name, oldValue);
+ invalidateRendererBasedOnAttribute(this, name);
+ },
+ get classList() {
+ var list = classListTable.get(this);
+ if (!list) {
+ list = unsafeUnwrap(this).classList;
+ if (!list) return;
+ list.ownerElement_ = this;
+ classListTable.set(this, list);
+ }
+ return list;
+ },
+ get className() {
+ return unsafeUnwrap(this).className;
+ },
+ set className(v) {
+ this.setAttribute("class", v);
+ },
+ get id() {
+ return unsafeUnwrap(this).id;
+ },
+ set id(v) {
+ this.setAttribute("id", v);
+ }
+ });
+ matchesNames.forEach(function(name) {
+ if (name !== "matches") {
+ Element.prototype[name] = function(selector) {
+ return this.matches(selector);
+ };
+ }
+ });
+ if (OriginalElement.prototype.webkitCreateShadowRoot) {
+ Element.prototype.webkitCreateShadowRoot = Element.prototype.createShadowRoot;
+ }
+ mixin(Element.prototype, ChildNodeInterface);
+ mixin(Element.prototype, GetElementsByInterface);
+ mixin(Element.prototype, ParentNodeInterface);
+ mixin(Element.prototype, SelectorsInterface);
+ mixin(Element.prototype, MatchesInterface);
+ registerWrapper(OriginalElement, Element, document.createElementNS(null, "x"));
+ scope.invalidateRendererBasedOnAttribute = invalidateRendererBasedOnAttribute;
+ scope.matchesNames = matchesNames;
+ scope.originalMatches = originalMatches;
+ scope.wrappers.Element = Element;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var Element = scope.wrappers.Element;
+ var defineGetter = scope.defineGetter;
+ var enqueueMutation = scope.enqueueMutation;
+ var mixin = scope.mixin;
+ var nodesWereAdded = scope.nodesWereAdded;
+ var nodesWereRemoved = scope.nodesWereRemoved;
+ var registerWrapper = scope.registerWrapper;
+ var snapshotNodeList = scope.snapshotNodeList;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var wrappers = scope.wrappers;
+ var escapeAttrRegExp = /[&\u00A0"]/g;
+ var escapeDataRegExp = /[&\u00A0<>]/g;
+ function escapeReplace(c) {
+ switch (c) {
+ case "&":
+ return "&amp;";
+
+ case "<":
+ return "&lt;";
+
+ case ">":
+ return "&gt;";
+
+ case '"':
+ return "&quot;";
+
+ case " ":
+ return "&nbsp;";
+ }
+ }
+ function escapeAttr(s) {
+ return s.replace(escapeAttrRegExp, escapeReplace);
+ }
+ function escapeData(s) {
+ return s.replace(escapeDataRegExp, escapeReplace);
+ }
+ function makeSet(arr) {
+ var set = {};
+ for (var i = 0; i < arr.length; i++) {
+ set[arr[i]] = true;
+ }
+ return set;
+ }
+ var voidElements = makeSet([ "area", "base", "br", "col", "command", "embed", "hr", "img", "input", "keygen", "link", "meta", "param", "source", "track", "wbr" ]);
+ var plaintextParents = makeSet([ "style", "script", "xmp", "iframe", "noembed", "noframes", "plaintext", "noscript" ]);
+ var XHTML_NS = "http://www.w3.org/1999/xhtml";
+ function needsSelfClosingSlash(node) {
+ if (node.namespaceURI !== XHTML_NS) return true;
+ var doctype = node.ownerDocument.doctype;
+ return doctype && doctype.publicId && doctype.systemId;
+ }
+ function getOuterHTML(node, parentNode) {
+ switch (node.nodeType) {
+ case Node.ELEMENT_NODE:
+ var tagName = node.tagName.toLowerCase();
+ var s = "<" + tagName;
+ var attrs = node.attributes;
+ for (var i = 0, attr; attr = attrs[i]; i++) {
+ s += " " + attr.name + '="' + escapeAttr(attr.value) + '"';
+ }
+ if (voidElements[tagName]) {
+ if (needsSelfClosingSlash(node)) s += "/";
+ return s + ">";
+ }
+ return s + ">" + getInnerHTML(node) + "</" + tagName + ">";
+
+ case Node.TEXT_NODE:
+ var data = node.data;
+ if (parentNode && plaintextParents[parentNode.localName]) return data;
+ return escapeData(data);
+
+ case Node.COMMENT_NODE:
+ return "<!--" + node.data + "-->";
+
+ default:
+ console.error(node);
+ throw new Error("not implemented");
+ }
+ }
+ function getInnerHTML(node) {
+ if (node instanceof wrappers.HTMLTemplateElement) node = node.content;
+ var s = "";
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ s += getOuterHTML(child, node);
+ }
+ return s;
+ }
+ function setInnerHTML(node, value, opt_tagName) {
+ var tagName = opt_tagName || "div";
+ node.textContent = "";
+ var tempElement = unwrap(node.ownerDocument.createElement(tagName));
+ tempElement.innerHTML = value;
+ var firstChild;
+ while (firstChild = tempElement.firstChild) {
+ node.appendChild(wrap(firstChild));
+ }
+ }
+ var oldIe = /MSIE/.test(navigator.userAgent);
+ var OriginalHTMLElement = window.HTMLElement;
+ var OriginalHTMLTemplateElement = window.HTMLTemplateElement;
+ function HTMLElement(node) {
+ Element.call(this, node);
+ }
+ HTMLElement.prototype = Object.create(Element.prototype);
+ mixin(HTMLElement.prototype, {
+ get innerHTML() {
+ return getInnerHTML(this);
+ },
+ set innerHTML(value) {
+ if (oldIe && plaintextParents[this.localName]) {
+ this.textContent = value;
+ return;
+ }
+ var removedNodes = snapshotNodeList(this.childNodes);
+ if (this.invalidateShadowRenderer()) {
+ if (this instanceof wrappers.HTMLTemplateElement) setInnerHTML(this.content, value); else setInnerHTML(this, value, this.tagName);
+ } else if (!OriginalHTMLTemplateElement && this instanceof wrappers.HTMLTemplateElement) {
+ setInnerHTML(this.content, value);
+ } else {
+ unsafeUnwrap(this).innerHTML = value;
+ }
+ var addedNodes = snapshotNodeList(this.childNodes);
+ enqueueMutation(this, "childList", {
+ addedNodes: addedNodes,
+ removedNodes: removedNodes
+ });
+ nodesWereRemoved(removedNodes);
+ nodesWereAdded(addedNodes, this);
+ },
+ get outerHTML() {
+ return getOuterHTML(this, this.parentNode);
+ },
+ set outerHTML(value) {
+ var p = this.parentNode;
+ if (p) {
+ p.invalidateShadowRenderer();
+ var df = frag(p, value);
+ p.replaceChild(df, this);
+ }
+ },
+ insertAdjacentHTML: function(position, text) {
+ var contextElement, refNode;
+ switch (String(position).toLowerCase()) {
+ case "beforebegin":
+ contextElement = this.parentNode;
+ refNode = this;
+ break;
+
+ case "afterend":
+ contextElement = this.parentNode;
+ refNode = this.nextSibling;
+ break;
+
+ case "afterbegin":
+ contextElement = this;
+ refNode = this.firstChild;
+ break;
+
+ case "beforeend":
+ contextElement = this;
+ refNode = null;
+ break;
+
+ default:
+ return;
+ }
+ var df = frag(contextElement, text);
+ contextElement.insertBefore(df, refNode);
+ },
+ get hidden() {
+ return this.hasAttribute("hidden");
+ },
+ set hidden(v) {
+ if (v) {
+ this.setAttribute("hidden", "");
+ } else {
+ this.removeAttribute("hidden");
+ }
+ }
+ });
+ function frag(contextElement, html) {
+ var p = unwrap(contextElement.cloneNode(false));
+ p.innerHTML = html;
+ var df = unwrap(document.createDocumentFragment());
+ var c;
+ while (c = p.firstChild) {
+ df.appendChild(c);
+ }
+ return wrap(df);
+ }
+ function getter(name) {
+ return function() {
+ scope.renderAllPending();
+ return unsafeUnwrap(this)[name];
+ };
+ }
+ function getterRequiresRendering(name) {
+ defineGetter(HTMLElement, name, getter(name));
+ }
+ [ "clientHeight", "clientLeft", "clientTop", "clientWidth", "offsetHeight", "offsetLeft", "offsetTop", "offsetWidth", "scrollHeight", "scrollWidth" ].forEach(getterRequiresRendering);
+ function getterAndSetterRequiresRendering(name) {
+ Object.defineProperty(HTMLElement.prototype, name, {
+ get: getter(name),
+ set: function(v) {
+ scope.renderAllPending();
+ unsafeUnwrap(this)[name] = v;
+ },
+ configurable: true,
+ enumerable: true
+ });
+ }
+ [ "scrollLeft", "scrollTop" ].forEach(getterAndSetterRequiresRendering);
+ function methodRequiresRendering(name) {
+ Object.defineProperty(HTMLElement.prototype, name, {
+ value: function() {
+ scope.renderAllPending();
+ return unsafeUnwrap(this)[name].apply(unsafeUnwrap(this), arguments);
+ },
+ configurable: true,
+ enumerable: true
+ });
+ }
+ [ "focus", "getBoundingClientRect", "getClientRects", "scrollIntoView" ].forEach(methodRequiresRendering);
+ registerWrapper(OriginalHTMLElement, HTMLElement, document.createElement("b"));
+ scope.wrappers.HTMLElement = HTMLElement;
+ scope.getInnerHTML = getInnerHTML;
+ scope.setInnerHTML = setInnerHTML;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var wrap = scope.wrap;
+ var OriginalHTMLCanvasElement = window.HTMLCanvasElement;
+ function HTMLCanvasElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLCanvasElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLCanvasElement.prototype, {
+ getContext: function() {
+ var context = unsafeUnwrap(this).getContext.apply(unsafeUnwrap(this), arguments);
+ return context && wrap(context);
+ }
+ });
+ registerWrapper(OriginalHTMLCanvasElement, HTMLCanvasElement, document.createElement("canvas"));
+ scope.wrappers.HTMLCanvasElement = HTMLCanvasElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var OriginalHTMLContentElement = window.HTMLContentElement;
+ function HTMLContentElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLContentElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLContentElement.prototype, {
+ constructor: HTMLContentElement,
+ get select() {
+ return this.getAttribute("select");
+ },
+ set select(value) {
+ this.setAttribute("select", value);
+ },
+ setAttribute: function(n, v) {
+ HTMLElement.prototype.setAttribute.call(this, n, v);
+ if (String(n).toLowerCase() === "select") this.invalidateShadowRenderer(true);
+ }
+ });
+ if (OriginalHTMLContentElement) registerWrapper(OriginalHTMLContentElement, HTMLContentElement);
+ scope.wrappers.HTMLContentElement = HTMLContentElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var wrapHTMLCollection = scope.wrapHTMLCollection;
+ var unwrap = scope.unwrap;
+ var OriginalHTMLFormElement = window.HTMLFormElement;
+ function HTMLFormElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLFormElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLFormElement.prototype, {
+ get elements() {
+ return wrapHTMLCollection(unwrap(this).elements);
+ }
+ });
+ registerWrapper(OriginalHTMLFormElement, HTMLFormElement, document.createElement("form"));
+ scope.wrappers.HTMLFormElement = HTMLFormElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var registerWrapper = scope.registerWrapper;
+ var unwrap = scope.unwrap;
+ var rewrap = scope.rewrap;
+ var OriginalHTMLImageElement = window.HTMLImageElement;
+ function HTMLImageElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLImageElement.prototype = Object.create(HTMLElement.prototype);
+ registerWrapper(OriginalHTMLImageElement, HTMLImageElement, document.createElement("img"));
+ function Image(width, height) {
+ if (!(this instanceof Image)) {
+ throw new TypeError("DOM object constructor cannot be called as a function.");
+ }
+ var node = unwrap(document.createElement("img"));
+ HTMLElement.call(this, node);
+ rewrap(node, this);
+ if (width !== undefined) node.width = width;
+ if (height !== undefined) node.height = height;
+ }
+ Image.prototype = HTMLImageElement.prototype;
+ scope.wrappers.HTMLImageElement = HTMLImageElement;
+ scope.wrappers.Image = Image;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var NodeList = scope.wrappers.NodeList;
+ var registerWrapper = scope.registerWrapper;
+ var OriginalHTMLShadowElement = window.HTMLShadowElement;
+ function HTMLShadowElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLShadowElement.prototype = Object.create(HTMLElement.prototype);
+ HTMLShadowElement.prototype.constructor = HTMLShadowElement;
+ if (OriginalHTMLShadowElement) registerWrapper(OriginalHTMLShadowElement, HTMLShadowElement);
+ scope.wrappers.HTMLShadowElement = HTMLShadowElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var contentTable = new WeakMap();
+ var templateContentsOwnerTable = new WeakMap();
+ function getTemplateContentsOwner(doc) {
+ if (!doc.defaultView) return doc;
+ var d = templateContentsOwnerTable.get(doc);
+ if (!d) {
+ d = doc.implementation.createHTMLDocument("");
+ while (d.lastChild) {
+ d.removeChild(d.lastChild);
+ }
+ templateContentsOwnerTable.set(doc, d);
+ }
+ return d;
+ }
+ function extractContent(templateElement) {
+ var doc = getTemplateContentsOwner(templateElement.ownerDocument);
+ var df = unwrap(doc.createDocumentFragment());
+ var child;
+ while (child = templateElement.firstChild) {
+ df.appendChild(child);
+ }
+ return df;
+ }
+ var OriginalHTMLTemplateElement = window.HTMLTemplateElement;
+ function HTMLTemplateElement(node) {
+ HTMLElement.call(this, node);
+ if (!OriginalHTMLTemplateElement) {
+ var content = extractContent(node);
+ contentTable.set(this, wrap(content));
+ }
+ }
+ HTMLTemplateElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLTemplateElement.prototype, {
+ constructor: HTMLTemplateElement,
+ get content() {
+ if (OriginalHTMLTemplateElement) return wrap(unsafeUnwrap(this).content);
+ return contentTable.get(this);
+ }
+ });
+ if (OriginalHTMLTemplateElement) registerWrapper(OriginalHTMLTemplateElement, HTMLTemplateElement);
+ scope.wrappers.HTMLTemplateElement = HTMLTemplateElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var registerWrapper = scope.registerWrapper;
+ var OriginalHTMLMediaElement = window.HTMLMediaElement;
+ if (!OriginalHTMLMediaElement) return;
+ function HTMLMediaElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLMediaElement.prototype = Object.create(HTMLElement.prototype);
+ registerWrapper(OriginalHTMLMediaElement, HTMLMediaElement, document.createElement("audio"));
+ scope.wrappers.HTMLMediaElement = HTMLMediaElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLMediaElement = scope.wrappers.HTMLMediaElement;
+ var registerWrapper = scope.registerWrapper;
+ var unwrap = scope.unwrap;
+ var rewrap = scope.rewrap;
+ var OriginalHTMLAudioElement = window.HTMLAudioElement;
+ if (!OriginalHTMLAudioElement) return;
+ function HTMLAudioElement(node) {
+ HTMLMediaElement.call(this, node);
+ }
+ HTMLAudioElement.prototype = Object.create(HTMLMediaElement.prototype);
+ registerWrapper(OriginalHTMLAudioElement, HTMLAudioElement, document.createElement("audio"));
+ function Audio(src) {
+ if (!(this instanceof Audio)) {
+ throw new TypeError("DOM object constructor cannot be called as a function.");
+ }
+ var node = unwrap(document.createElement("audio"));
+ HTMLMediaElement.call(this, node);
+ rewrap(node, this);
+ node.setAttribute("preload", "auto");
+ if (src !== undefined) node.setAttribute("src", src);
+ }
+ Audio.prototype = HTMLAudioElement.prototype;
+ scope.wrappers.HTMLAudioElement = HTMLAudioElement;
+ scope.wrappers.Audio = Audio;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var rewrap = scope.rewrap;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var OriginalHTMLOptionElement = window.HTMLOptionElement;
+ function trimText(s) {
+ return s.replace(/\s+/g, " ").trim();
+ }
+ function HTMLOptionElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLOptionElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLOptionElement.prototype, {
+ get text() {
+ return trimText(this.textContent);
+ },
+ set text(value) {
+ this.textContent = trimText(String(value));
+ },
+ get form() {
+ return wrap(unwrap(this).form);
+ }
+ });
+ registerWrapper(OriginalHTMLOptionElement, HTMLOptionElement, document.createElement("option"));
+ function Option(text, value, defaultSelected, selected) {
+ if (!(this instanceof Option)) {
+ throw new TypeError("DOM object constructor cannot be called as a function.");
+ }
+ var node = unwrap(document.createElement("option"));
+ HTMLElement.call(this, node);
+ rewrap(node, this);
+ if (text !== undefined) node.text = text;
+ if (value !== undefined) node.setAttribute("value", value);
+ if (defaultSelected === true) node.setAttribute("selected", "");
+ node.selected = selected === true;
+ }
+ Option.prototype = HTMLOptionElement.prototype;
+ scope.wrappers.HTMLOptionElement = HTMLOptionElement;
+ scope.wrappers.Option = Option;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var OriginalHTMLSelectElement = window.HTMLSelectElement;
+ function HTMLSelectElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLSelectElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLSelectElement.prototype, {
+ add: function(element, before) {
+ if (typeof before === "object") before = unwrap(before);
+ unwrap(this).add(unwrap(element), before);
+ },
+ remove: function(indexOrNode) {
+ if (indexOrNode === undefined) {
+ HTMLElement.prototype.remove.call(this);
+ return;
+ }
+ if (typeof indexOrNode === "object") indexOrNode = unwrap(indexOrNode);
+ unwrap(this).remove(indexOrNode);
+ },
+ get form() {
+ return wrap(unwrap(this).form);
+ }
+ });
+ registerWrapper(OriginalHTMLSelectElement, HTMLSelectElement, document.createElement("select"));
+ scope.wrappers.HTMLSelectElement = HTMLSelectElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var wrapHTMLCollection = scope.wrapHTMLCollection;
+ var OriginalHTMLTableElement = window.HTMLTableElement;
+ function HTMLTableElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLTableElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLTableElement.prototype, {
+ get caption() {
+ return wrap(unwrap(this).caption);
+ },
+ createCaption: function() {
+ return wrap(unwrap(this).createCaption());
+ },
+ get tHead() {
+ return wrap(unwrap(this).tHead);
+ },
+ createTHead: function() {
+ return wrap(unwrap(this).createTHead());
+ },
+ createTFoot: function() {
+ return wrap(unwrap(this).createTFoot());
+ },
+ get tFoot() {
+ return wrap(unwrap(this).tFoot);
+ },
+ get tBodies() {
+ return wrapHTMLCollection(unwrap(this).tBodies);
+ },
+ createTBody: function() {
+ return wrap(unwrap(this).createTBody());
+ },
+ get rows() {
+ return wrapHTMLCollection(unwrap(this).rows);
+ },
+ insertRow: function(index) {
+ return wrap(unwrap(this).insertRow(index));
+ }
+ });
+ registerWrapper(OriginalHTMLTableElement, HTMLTableElement, document.createElement("table"));
+ scope.wrappers.HTMLTableElement = HTMLTableElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var wrapHTMLCollection = scope.wrapHTMLCollection;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var OriginalHTMLTableSectionElement = window.HTMLTableSectionElement;
+ function HTMLTableSectionElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLTableSectionElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLTableSectionElement.prototype, {
+ constructor: HTMLTableSectionElement,
+ get rows() {
+ return wrapHTMLCollection(unwrap(this).rows);
+ },
+ insertRow: function(index) {
+ return wrap(unwrap(this).insertRow(index));
+ }
+ });
+ registerWrapper(OriginalHTMLTableSectionElement, HTMLTableSectionElement, document.createElement("thead"));
+ scope.wrappers.HTMLTableSectionElement = HTMLTableSectionElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var wrapHTMLCollection = scope.wrapHTMLCollection;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var OriginalHTMLTableRowElement = window.HTMLTableRowElement;
+ function HTMLTableRowElement(node) {
+ HTMLElement.call(this, node);
+ }
+ HTMLTableRowElement.prototype = Object.create(HTMLElement.prototype);
+ mixin(HTMLTableRowElement.prototype, {
+ get cells() {
+ return wrapHTMLCollection(unwrap(this).cells);
+ },
+ insertCell: function(index) {
+ return wrap(unwrap(this).insertCell(index));
+ }
+ });
+ registerWrapper(OriginalHTMLTableRowElement, HTMLTableRowElement, document.createElement("tr"));
+ scope.wrappers.HTMLTableRowElement = HTMLTableRowElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLContentElement = scope.wrappers.HTMLContentElement;
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var HTMLShadowElement = scope.wrappers.HTMLShadowElement;
+ var HTMLTemplateElement = scope.wrappers.HTMLTemplateElement;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var OriginalHTMLUnknownElement = window.HTMLUnknownElement;
+ function HTMLUnknownElement(node) {
+ switch (node.localName) {
+ case "content":
+ return new HTMLContentElement(node);
+
+ case "shadow":
+ return new HTMLShadowElement(node);
+
+ case "template":
+ return new HTMLTemplateElement(node);
+ }
+ HTMLElement.call(this, node);
+ }
+ HTMLUnknownElement.prototype = Object.create(HTMLElement.prototype);
+ registerWrapper(OriginalHTMLUnknownElement, HTMLUnknownElement);
+ scope.wrappers.HTMLUnknownElement = HTMLUnknownElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var Element = scope.wrappers.Element;
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var registerWrapper = scope.registerWrapper;
+ var defineWrapGetter = scope.defineWrapGetter;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var wrap = scope.wrap;
+ var mixin = scope.mixin;
+ var SVG_NS = "http://www.w3.org/2000/svg";
+ var OriginalSVGElement = window.SVGElement;
+ var svgTitleElement = document.createElementNS(SVG_NS, "title");
+ if (!("classList" in svgTitleElement)) {
+ var descr = Object.getOwnPropertyDescriptor(Element.prototype, "classList");
+ Object.defineProperty(HTMLElement.prototype, "classList", descr);
+ delete Element.prototype.classList;
+ }
+ function SVGElement(node) {
+ Element.call(this, node);
+ }
+ SVGElement.prototype = Object.create(Element.prototype);
+ mixin(SVGElement.prototype, {
+ get ownerSVGElement() {
+ return wrap(unsafeUnwrap(this).ownerSVGElement);
+ }
+ });
+ registerWrapper(OriginalSVGElement, SVGElement, document.createElementNS(SVG_NS, "title"));
+ scope.wrappers.SVGElement = SVGElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var OriginalSVGUseElement = window.SVGUseElement;
+ var SVG_NS = "http://www.w3.org/2000/svg";
+ var gWrapper = wrap(document.createElementNS(SVG_NS, "g"));
+ var useElement = document.createElementNS(SVG_NS, "use");
+ var SVGGElement = gWrapper.constructor;
+ var parentInterfacePrototype = Object.getPrototypeOf(SVGGElement.prototype);
+ var parentInterface = parentInterfacePrototype.constructor;
+ function SVGUseElement(impl) {
+ parentInterface.call(this, impl);
+ }
+ SVGUseElement.prototype = Object.create(parentInterfacePrototype);
+ if ("instanceRoot" in useElement) {
+ mixin(SVGUseElement.prototype, {
+ get instanceRoot() {
+ return wrap(unwrap(this).instanceRoot);
+ },
+ get animatedInstanceRoot() {
+ return wrap(unwrap(this).animatedInstanceRoot);
+ }
+ });
+ }
+ registerWrapper(OriginalSVGUseElement, SVGUseElement, useElement);
+ scope.wrappers.SVGUseElement = SVGUseElement;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var EventTarget = scope.wrappers.EventTarget;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var wrap = scope.wrap;
+ var OriginalSVGElementInstance = window.SVGElementInstance;
+ if (!OriginalSVGElementInstance) return;
+ function SVGElementInstance(impl) {
+ EventTarget.call(this, impl);
+ }
+ SVGElementInstance.prototype = Object.create(EventTarget.prototype);
+ mixin(SVGElementInstance.prototype, {
+ get correspondingElement() {
+ return wrap(unsafeUnwrap(this).correspondingElement);
+ },
+ get correspondingUseElement() {
+ return wrap(unsafeUnwrap(this).correspondingUseElement);
+ },
+ get parentNode() {
+ return wrap(unsafeUnwrap(this).parentNode);
+ },
+ get childNodes() {
+ throw new Error("Not implemented");
+ },
+ get firstChild() {
+ return wrap(unsafeUnwrap(this).firstChild);
+ },
+ get lastChild() {
+ return wrap(unsafeUnwrap(this).lastChild);
+ },
+ get previousSibling() {
+ return wrap(unsafeUnwrap(this).previousSibling);
+ },
+ get nextSibling() {
+ return wrap(unsafeUnwrap(this).nextSibling);
+ }
+ });
+ registerWrapper(OriginalSVGElementInstance, SVGElementInstance);
+ scope.wrappers.SVGElementInstance = SVGElementInstance;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var setWrapper = scope.setWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var unwrapIfNeeded = scope.unwrapIfNeeded;
+ var wrap = scope.wrap;
+ var OriginalCanvasRenderingContext2D = window.CanvasRenderingContext2D;
+ function CanvasRenderingContext2D(impl) {
+ setWrapper(impl, this);
+ }
+ mixin(CanvasRenderingContext2D.prototype, {
+ get canvas() {
+ return wrap(unsafeUnwrap(this).canvas);
+ },
+ drawImage: function() {
+ arguments[0] = unwrapIfNeeded(arguments[0]);
+ unsafeUnwrap(this).drawImage.apply(unsafeUnwrap(this), arguments);
+ },
+ createPattern: function() {
+ arguments[0] = unwrap(arguments[0]);
+ return unsafeUnwrap(this).createPattern.apply(unsafeUnwrap(this), arguments);
+ }
+ });
+ registerWrapper(OriginalCanvasRenderingContext2D, CanvasRenderingContext2D, document.createElement("canvas").getContext("2d"));
+ scope.wrappers.CanvasRenderingContext2D = CanvasRenderingContext2D;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var addForwardingProperties = scope.addForwardingProperties;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var setWrapper = scope.setWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrapIfNeeded = scope.unwrapIfNeeded;
+ var wrap = scope.wrap;
+ var OriginalWebGLRenderingContext = window.WebGLRenderingContext;
+ if (!OriginalWebGLRenderingContext) return;
+ function WebGLRenderingContext(impl) {
+ setWrapper(impl, this);
+ }
+ mixin(WebGLRenderingContext.prototype, {
+ get canvas() {
+ return wrap(unsafeUnwrap(this).canvas);
+ },
+ texImage2D: function() {
+ arguments[5] = unwrapIfNeeded(arguments[5]);
+ unsafeUnwrap(this).texImage2D.apply(unsafeUnwrap(this), arguments);
+ },
+ texSubImage2D: function() {
+ arguments[6] = unwrapIfNeeded(arguments[6]);
+ unsafeUnwrap(this).texSubImage2D.apply(unsafeUnwrap(this), arguments);
+ }
+ });
+ var OriginalWebGLRenderingContextBase = Object.getPrototypeOf(OriginalWebGLRenderingContext.prototype);
+ if (OriginalWebGLRenderingContextBase !== Object.prototype) {
+ addForwardingProperties(OriginalWebGLRenderingContextBase, WebGLRenderingContext.prototype);
+ }
+ var instanceProperties = /WebKit/.test(navigator.userAgent) ? {
+ drawingBufferHeight: null,
+ drawingBufferWidth: null
+ } : {};
+ registerWrapper(OriginalWebGLRenderingContext, WebGLRenderingContext, instanceProperties);
+ scope.wrappers.WebGLRenderingContext = WebGLRenderingContext;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var Node = scope.wrappers.Node;
+ var GetElementsByInterface = scope.GetElementsByInterface;
+ var NonElementParentNodeInterface = scope.NonElementParentNodeInterface;
+ var ParentNodeInterface = scope.ParentNodeInterface;
+ var SelectorsInterface = scope.SelectorsInterface;
+ var mixin = scope.mixin;
+ var registerObject = scope.registerObject;
+ var registerWrapper = scope.registerWrapper;
+ var OriginalDocumentFragment = window.DocumentFragment;
+ function DocumentFragment(node) {
+ Node.call(this, node);
+ }
+ DocumentFragment.prototype = Object.create(Node.prototype);
+ mixin(DocumentFragment.prototype, ParentNodeInterface);
+ mixin(DocumentFragment.prototype, SelectorsInterface);
+ mixin(DocumentFragment.prototype, GetElementsByInterface);
+ mixin(DocumentFragment.prototype, NonElementParentNodeInterface);
+ registerWrapper(OriginalDocumentFragment, DocumentFragment, document.createDocumentFragment());
+ scope.wrappers.DocumentFragment = DocumentFragment;
+ var Comment = registerObject(document.createComment(""));
+ scope.wrappers.Comment = Comment;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var DocumentFragment = scope.wrappers.DocumentFragment;
+ var TreeScope = scope.TreeScope;
+ var elementFromPoint = scope.elementFromPoint;
+ var getInnerHTML = scope.getInnerHTML;
+ var getTreeScope = scope.getTreeScope;
+ var mixin = scope.mixin;
+ var rewrap = scope.rewrap;
+ var setInnerHTML = scope.setInnerHTML;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var shadowHostTable = new WeakMap();
+ var nextOlderShadowTreeTable = new WeakMap();
+ function ShadowRoot(hostWrapper) {
+ var node = unwrap(unsafeUnwrap(hostWrapper).ownerDocument.createDocumentFragment());
+ DocumentFragment.call(this, node);
+ rewrap(node, this);
+ var oldShadowRoot = hostWrapper.shadowRoot;
+ nextOlderShadowTreeTable.set(this, oldShadowRoot);
+ this.treeScope_ = new TreeScope(this, getTreeScope(oldShadowRoot || hostWrapper));
+ shadowHostTable.set(this, hostWrapper);
+ }
+ ShadowRoot.prototype = Object.create(DocumentFragment.prototype);
+ mixin(ShadowRoot.prototype, {
+ constructor: ShadowRoot,
+ get innerHTML() {
+ return getInnerHTML(this);
+ },
+ set innerHTML(value) {
+ setInnerHTML(this, value);
+ this.invalidateShadowRenderer();
+ },
+ get olderShadowRoot() {
+ return nextOlderShadowTreeTable.get(this) || null;
+ },
+ get host() {
+ return shadowHostTable.get(this) || null;
+ },
+ invalidateShadowRenderer: function() {
+ return shadowHostTable.get(this).invalidateShadowRenderer();
+ },
+ elementFromPoint: function(x, y) {
+ return elementFromPoint(this, this.ownerDocument, x, y);
+ },
+ getSelection: function() {
+ return document.getSelection();
+ },
+ get activeElement() {
+ var unwrappedActiveElement = unwrap(this).ownerDocument.activeElement;
+ if (!unwrappedActiveElement || !unwrappedActiveElement.nodeType) return null;
+ var activeElement = wrap(unwrappedActiveElement);
+ while (!this.contains(activeElement)) {
+ while (activeElement.parentNode) {
+ activeElement = activeElement.parentNode;
+ }
+ if (activeElement.host) {
+ activeElement = activeElement.host;
+ } else {
+ return null;
+ }
+ }
+ return activeElement;
+ }
+ });
+ scope.wrappers.ShadowRoot = ShadowRoot;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var registerWrapper = scope.registerWrapper;
+ var setWrapper = scope.setWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var unwrapIfNeeded = scope.unwrapIfNeeded;
+ var wrap = scope.wrap;
+ var getTreeScope = scope.getTreeScope;
+ var OriginalRange = window.Range;
+ var ShadowRoot = scope.wrappers.ShadowRoot;
+ function getHost(node) {
+ var root = getTreeScope(node).root;
+ if (root instanceof ShadowRoot) {
+ return root.host;
+ }
+ return null;
+ }
+ function hostNodeToShadowNode(refNode, offset) {
+ if (refNode.shadowRoot) {
+ offset = Math.min(refNode.childNodes.length - 1, offset);
+ var child = refNode.childNodes[offset];
+ if (child) {
+ var insertionPoint = scope.getDestinationInsertionPoints(child);
+ if (insertionPoint.length > 0) {
+ var parentNode = insertionPoint[0].parentNode;
+ if (parentNode.nodeType == Node.ELEMENT_NODE) {
+ refNode = parentNode;
+ }
+ }
+ }
+ }
+ return refNode;
+ }
+ function shadowNodeToHostNode(node) {
+ node = wrap(node);
+ return getHost(node) || node;
+ }
+ function Range(impl) {
+ setWrapper(impl, this);
+ }
+ Range.prototype = {
+ get startContainer() {
+ return shadowNodeToHostNode(unsafeUnwrap(this).startContainer);
+ },
+ get endContainer() {
+ return shadowNodeToHostNode(unsafeUnwrap(this).endContainer);
+ },
+ get commonAncestorContainer() {
+ return shadowNodeToHostNode(unsafeUnwrap(this).commonAncestorContainer);
+ },
+ setStart: function(refNode, offset) {
+ refNode = hostNodeToShadowNode(refNode, offset);
+ unsafeUnwrap(this).setStart(unwrapIfNeeded(refNode), offset);
+ },
+ setEnd: function(refNode, offset) {
+ refNode = hostNodeToShadowNode(refNode, offset);
+ unsafeUnwrap(this).setEnd(unwrapIfNeeded(refNode), offset);
+ },
+ setStartBefore: function(refNode) {
+ unsafeUnwrap(this).setStartBefore(unwrapIfNeeded(refNode));
+ },
+ setStartAfter: function(refNode) {
+ unsafeUnwrap(this).setStartAfter(unwrapIfNeeded(refNode));
+ },
+ setEndBefore: function(refNode) {
+ unsafeUnwrap(this).setEndBefore(unwrapIfNeeded(refNode));
+ },
+ setEndAfter: function(refNode) {
+ unsafeUnwrap(this).setEndAfter(unwrapIfNeeded(refNode));
+ },
+ selectNode: function(refNode) {
+ unsafeUnwrap(this).selectNode(unwrapIfNeeded(refNode));
+ },
+ selectNodeContents: function(refNode) {
+ unsafeUnwrap(this).selectNodeContents(unwrapIfNeeded(refNode));
+ },
+ compareBoundaryPoints: function(how, sourceRange) {
+ return unsafeUnwrap(this).compareBoundaryPoints(how, unwrap(sourceRange));
+ },
+ extractContents: function() {
+ return wrap(unsafeUnwrap(this).extractContents());
+ },
+ cloneContents: function() {
+ return wrap(unsafeUnwrap(this).cloneContents());
+ },
+ insertNode: function(node) {
+ unsafeUnwrap(this).insertNode(unwrapIfNeeded(node));
+ },
+ surroundContents: function(newParent) {
+ unsafeUnwrap(this).surroundContents(unwrapIfNeeded(newParent));
+ },
+ cloneRange: function() {
+ return wrap(unsafeUnwrap(this).cloneRange());
+ },
+ isPointInRange: function(node, offset) {
+ return unsafeUnwrap(this).isPointInRange(unwrapIfNeeded(node), offset);
+ },
+ comparePoint: function(node, offset) {
+ return unsafeUnwrap(this).comparePoint(unwrapIfNeeded(node), offset);
+ },
+ intersectsNode: function(node) {
+ return unsafeUnwrap(this).intersectsNode(unwrapIfNeeded(node));
+ },
+ toString: function() {
+ return unsafeUnwrap(this).toString();
+ }
+ };
+ if (OriginalRange.prototype.createContextualFragment) {
+ Range.prototype.createContextualFragment = function(html) {
+ return wrap(unsafeUnwrap(this).createContextualFragment(html));
+ };
+ }
+ registerWrapper(window.Range, Range, document.createRange());
+ scope.wrappers.Range = Range;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var Element = scope.wrappers.Element;
+ var HTMLContentElement = scope.wrappers.HTMLContentElement;
+ var HTMLShadowElement = scope.wrappers.HTMLShadowElement;
+ var Node = scope.wrappers.Node;
+ var ShadowRoot = scope.wrappers.ShadowRoot;
+ var assert = scope.assert;
+ var getTreeScope = scope.getTreeScope;
+ var mixin = scope.mixin;
+ var oneOf = scope.oneOf;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var ArraySplice = scope.ArraySplice;
+ function updateWrapperUpAndSideways(wrapper) {
+ wrapper.previousSibling_ = wrapper.previousSibling;
+ wrapper.nextSibling_ = wrapper.nextSibling;
+ wrapper.parentNode_ = wrapper.parentNode;
+ }
+ function updateWrapperDown(wrapper) {
+ wrapper.firstChild_ = wrapper.firstChild;
+ wrapper.lastChild_ = wrapper.lastChild;
+ }
+ function updateAllChildNodes(parentNodeWrapper) {
+ assert(parentNodeWrapper instanceof Node);
+ for (var childWrapper = parentNodeWrapper.firstChild; childWrapper; childWrapper = childWrapper.nextSibling) {
+ updateWrapperUpAndSideways(childWrapper);
+ }
+ updateWrapperDown(parentNodeWrapper);
+ }
+ function insertBefore(parentNodeWrapper, newChildWrapper, refChildWrapper) {
+ var parentNode = unwrap(parentNodeWrapper);
+ var newChild = unwrap(newChildWrapper);
+ var refChild = refChildWrapper ? unwrap(refChildWrapper) : null;
+ remove(newChildWrapper);
+ updateWrapperUpAndSideways(newChildWrapper);
+ if (!refChildWrapper) {
+ parentNodeWrapper.lastChild_ = parentNodeWrapper.lastChild;
+ if (parentNodeWrapper.lastChild === parentNodeWrapper.firstChild) parentNodeWrapper.firstChild_ = parentNodeWrapper.firstChild;
+ var lastChildWrapper = wrap(parentNode.lastChild);
+ if (lastChildWrapper) lastChildWrapper.nextSibling_ = lastChildWrapper.nextSibling;
+ } else {
+ if (parentNodeWrapper.firstChild === refChildWrapper) parentNodeWrapper.firstChild_ = refChildWrapper;
+ refChildWrapper.previousSibling_ = refChildWrapper.previousSibling;
+ }
+ scope.originalInsertBefore.call(parentNode, newChild, refChild);
+ }
+ function remove(nodeWrapper) {
+ var node = unwrap(nodeWrapper);
+ var parentNode = node.parentNode;
+ if (!parentNode) return;
+ var parentNodeWrapper = wrap(parentNode);
+ updateWrapperUpAndSideways(nodeWrapper);
+ if (nodeWrapper.previousSibling) nodeWrapper.previousSibling.nextSibling_ = nodeWrapper;
+ if (nodeWrapper.nextSibling) nodeWrapper.nextSibling.previousSibling_ = nodeWrapper;
+ if (parentNodeWrapper.lastChild === nodeWrapper) parentNodeWrapper.lastChild_ = nodeWrapper;
+ if (parentNodeWrapper.firstChild === nodeWrapper) parentNodeWrapper.firstChild_ = nodeWrapper;
+ scope.originalRemoveChild.call(parentNode, node);
+ }
+ var distributedNodesTable = new WeakMap();
+ var destinationInsertionPointsTable = new WeakMap();
+ var rendererForHostTable = new WeakMap();
+ function resetDistributedNodes(insertionPoint) {
+ distributedNodesTable.set(insertionPoint, []);
+ }
+ function getDistributedNodes(insertionPoint) {
+ var rv = distributedNodesTable.get(insertionPoint);
+ if (!rv) distributedNodesTable.set(insertionPoint, rv = []);
+ return rv;
+ }
+ function getChildNodesSnapshot(node) {
+ var result = [], i = 0;
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ result[i++] = child;
+ }
+ return result;
+ }
+ var request = oneOf(window, [ "requestAnimationFrame", "mozRequestAnimationFrame", "webkitRequestAnimationFrame", "setTimeout" ]);
+ var pendingDirtyRenderers = [];
+ var renderTimer;
+ function renderAllPending() {
+ for (var i = 0; i < pendingDirtyRenderers.length; i++) {
+ var renderer = pendingDirtyRenderers[i];
+ var parentRenderer = renderer.parentRenderer;
+ if (parentRenderer && parentRenderer.dirty) continue;
+ renderer.render();
+ }
+ pendingDirtyRenderers = [];
+ }
+ function handleRequestAnimationFrame() {
+ renderTimer = null;
+ renderAllPending();
+ }
+ function getRendererForHost(host) {
+ var renderer = rendererForHostTable.get(host);
+ if (!renderer) {
+ renderer = new ShadowRenderer(host);
+ rendererForHostTable.set(host, renderer);
+ }
+ return renderer;
+ }
+ function getShadowRootAncestor(node) {
+ var root = getTreeScope(node).root;
+ if (root instanceof ShadowRoot) return root;
+ return null;
+ }
+ function getRendererForShadowRoot(shadowRoot) {
+ return getRendererForHost(shadowRoot.host);
+ }
+ var spliceDiff = new ArraySplice();
+ spliceDiff.equals = function(renderNode, rawNode) {
+ return unwrap(renderNode.node) === rawNode;
+ };
+ function RenderNode(node) {
+ this.skip = false;
+ this.node = node;
+ this.childNodes = [];
+ }
+ RenderNode.prototype = {
+ append: function(node) {
+ var rv = new RenderNode(node);
+ this.childNodes.push(rv);
+ return rv;
+ },
+ sync: function(opt_added) {
+ if (this.skip) return;
+ var nodeWrapper = this.node;
+ var newChildren = this.childNodes;
+ var oldChildren = getChildNodesSnapshot(unwrap(nodeWrapper));
+ var added = opt_added || new WeakMap();
+ var splices = spliceDiff.calculateSplices(newChildren, oldChildren);
+ var newIndex = 0, oldIndex = 0;
+ var lastIndex = 0;
+ for (var i = 0; i < splices.length; i++) {
+ var splice = splices[i];
+ for (;lastIndex < splice.index; lastIndex++) {
+ oldIndex++;
+ newChildren[newIndex++].sync(added);
+ }
+ var removedCount = splice.removed.length;
+ for (var j = 0; j < removedCount; j++) {
+ var wrapper = wrap(oldChildren[oldIndex++]);
+ if (!added.get(wrapper)) remove(wrapper);
+ }
+ var addedCount = splice.addedCount;
+ var refNode = oldChildren[oldIndex] && wrap(oldChildren[oldIndex]);
+ for (var j = 0; j < addedCount; j++) {
+ var newChildRenderNode = newChildren[newIndex++];
+ var newChildWrapper = newChildRenderNode.node;
+ insertBefore(nodeWrapper, newChildWrapper, refNode);
+ added.set(newChildWrapper, true);
+ newChildRenderNode.sync(added);
+ }
+ lastIndex += addedCount;
+ }
+ for (var i = lastIndex; i < newChildren.length; i++) {
+ newChildren[i].sync(added);
+ }
+ }
+ };
+ function ShadowRenderer(host) {
+ this.host = host;
+ this.dirty = false;
+ this.invalidateAttributes();
+ this.associateNode(host);
+ }
+ ShadowRenderer.prototype = {
+ render: function(opt_renderNode) {
+ if (!this.dirty) return;
+ this.invalidateAttributes();
+ var host = this.host;
+ this.distribution(host);
+ var renderNode = opt_renderNode || new RenderNode(host);
+ this.buildRenderTree(renderNode, host);
+ var topMostRenderer = !opt_renderNode;
+ if (topMostRenderer) renderNode.sync();
+ this.dirty = false;
+ },
+ get parentRenderer() {
+ return getTreeScope(this.host).renderer;
+ },
+ invalidate: function() {
+ if (!this.dirty) {
+ this.dirty = true;
+ var parentRenderer = this.parentRenderer;
+ if (parentRenderer) parentRenderer.invalidate();
+ pendingDirtyRenderers.push(this);
+ if (renderTimer) return;
+ renderTimer = window[request](handleRequestAnimationFrame, 0);
+ }
+ },
+ distribution: function(root) {
+ this.resetAllSubtrees(root);
+ this.distributionResolution(root);
+ },
+ resetAll: function(node) {
+ if (isInsertionPoint(node)) resetDistributedNodes(node); else resetDestinationInsertionPoints(node);
+ this.resetAllSubtrees(node);
+ },
+ resetAllSubtrees: function(node) {
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ this.resetAll(child);
+ }
+ if (node.shadowRoot) this.resetAll(node.shadowRoot);
+ if (node.olderShadowRoot) this.resetAll(node.olderShadowRoot);
+ },
+ distributionResolution: function(node) {
+ if (isShadowHost(node)) {
+ var shadowHost = node;
+ var pool = poolPopulation(shadowHost);
+ var shadowTrees = getShadowTrees(shadowHost);
+ for (var i = 0; i < shadowTrees.length; i++) {
+ this.poolDistribution(shadowTrees[i], pool);
+ }
+ for (var i = shadowTrees.length - 1; i >= 0; i--) {
+ var shadowTree = shadowTrees[i];
+ var shadow = getShadowInsertionPoint(shadowTree);
+ if (shadow) {
+ var olderShadowRoot = shadowTree.olderShadowRoot;
+ if (olderShadowRoot) {
+ pool = poolPopulation(olderShadowRoot);
+ }
+ for (var j = 0; j < pool.length; j++) {
+ destributeNodeInto(pool[j], shadow);
+ }
+ }
+ this.distributionResolution(shadowTree);
+ }
+ }
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ this.distributionResolution(child);
+ }
+ },
+ poolDistribution: function(node, pool) {
+ if (node instanceof HTMLShadowElement) return;
+ if (node instanceof HTMLContentElement) {
+ var content = node;
+ this.updateDependentAttributes(content.getAttribute("select"));
+ var anyDistributed = false;
+ for (var i = 0; i < pool.length; i++) {
+ var node = pool[i];
+ if (!node) continue;
+ if (matches(node, content)) {
+ destributeNodeInto(node, content);
+ pool[i] = undefined;
+ anyDistributed = true;
+ }
+ }
+ if (!anyDistributed) {
+ for (var child = content.firstChild; child; child = child.nextSibling) {
+ destributeNodeInto(child, content);
+ }
+ }
+ return;
+ }
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ this.poolDistribution(child, pool);
+ }
+ },
+ buildRenderTree: function(renderNode, node) {
+ var children = this.compose(node);
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ var childRenderNode = renderNode.append(child);
+ this.buildRenderTree(childRenderNode, child);
+ }
+ if (isShadowHost(node)) {
+ var renderer = getRendererForHost(node);
+ renderer.dirty = false;
+ }
+ },
+ compose: function(node) {
+ var children = [];
+ var p = node.shadowRoot || node;
+ for (var child = p.firstChild; child; child = child.nextSibling) {
+ if (isInsertionPoint(child)) {
+ this.associateNode(p);
+ var distributedNodes = getDistributedNodes(child);
+ for (var j = 0; j < distributedNodes.length; j++) {
+ var distributedNode = distributedNodes[j];
+ if (isFinalDestination(child, distributedNode)) children.push(distributedNode);
+ }
+ } else {
+ children.push(child);
+ }
+ }
+ return children;
+ },
+ invalidateAttributes: function() {
+ this.attributes = Object.create(null);
+ },
+ updateDependentAttributes: function(selector) {
+ if (!selector) return;
+ var attributes = this.attributes;
+ if (/\.\w+/.test(selector)) attributes["class"] = true;
+ if (/#\w+/.test(selector)) attributes["id"] = true;
+ selector.replace(/\[\s*([^\s=\|~\]]+)/g, function(_, name) {
+ attributes[name] = true;
+ });
+ },
+ dependsOnAttribute: function(name) {
+ return this.attributes[name];
+ },
+ associateNode: function(node) {
+ unsafeUnwrap(node).polymerShadowRenderer_ = this;
+ }
+ };
+ function poolPopulation(node) {
+ var pool = [];
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ if (isInsertionPoint(child)) {
+ pool.push.apply(pool, getDistributedNodes(child));
+ } else {
+ pool.push(child);
+ }
+ }
+ return pool;
+ }
+ function getShadowInsertionPoint(node) {
+ if (node instanceof HTMLShadowElement) return node;
+ if (node instanceof HTMLContentElement) return null;
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ var res = getShadowInsertionPoint(child);
+ if (res) return res;
+ }
+ return null;
+ }
+ function destributeNodeInto(child, insertionPoint) {
+ getDistributedNodes(insertionPoint).push(child);
+ var points = destinationInsertionPointsTable.get(child);
+ if (!points) destinationInsertionPointsTable.set(child, [ insertionPoint ]); else points.push(insertionPoint);
+ }
+ function getDestinationInsertionPoints(node) {
+ return destinationInsertionPointsTable.get(node);
+ }
+ function resetDestinationInsertionPoints(node) {
+ destinationInsertionPointsTable.set(node, undefined);
+ }
+ var selectorStartCharRe = /^(:not\()?[*.#[a-zA-Z_|]/;
+ function matches(node, contentElement) {
+ var select = contentElement.getAttribute("select");
+ if (!select) return true;
+ select = select.trim();
+ if (!select) return true;
+ if (!(node instanceof Element)) return false;
+ if (!selectorStartCharRe.test(select)) return false;
+ try {
+ return node.matches(select);
+ } catch (ex) {
+ return false;
+ }
+ }
+ function isFinalDestination(insertionPoint, node) {
+ var points = getDestinationInsertionPoints(node);
+ return points && points[points.length - 1] === insertionPoint;
+ }
+ function isInsertionPoint(node) {
+ return node instanceof HTMLContentElement || node instanceof HTMLShadowElement;
+ }
+ function isShadowHost(shadowHost) {
+ return shadowHost.shadowRoot;
+ }
+ function getShadowTrees(host) {
+ var trees = [];
+ for (var tree = host.shadowRoot; tree; tree = tree.olderShadowRoot) {
+ trees.push(tree);
+ }
+ return trees;
+ }
+ function render(host) {
+ new ShadowRenderer(host).render();
+ }
+ Node.prototype.invalidateShadowRenderer = function(force) {
+ var renderer = unsafeUnwrap(this).polymerShadowRenderer_;
+ if (renderer) {
+ renderer.invalidate();
+ return true;
+ }
+ return false;
+ };
+ HTMLContentElement.prototype.getDistributedNodes = HTMLShadowElement.prototype.getDistributedNodes = function() {
+ renderAllPending();
+ return getDistributedNodes(this);
+ };
+ Element.prototype.getDestinationInsertionPoints = function() {
+ renderAllPending();
+ return getDestinationInsertionPoints(this) || [];
+ };
+ HTMLContentElement.prototype.nodeIsInserted_ = HTMLShadowElement.prototype.nodeIsInserted_ = function() {
+ this.invalidateShadowRenderer();
+ var shadowRoot = getShadowRootAncestor(this);
+ var renderer;
+ if (shadowRoot) renderer = getRendererForShadowRoot(shadowRoot);
+ unsafeUnwrap(this).polymerShadowRenderer_ = renderer;
+ if (renderer) renderer.invalidate();
+ };
+ scope.getRendererForHost = getRendererForHost;
+ scope.getShadowTrees = getShadowTrees;
+ scope.renderAllPending = renderAllPending;
+ scope.getDestinationInsertionPoints = getDestinationInsertionPoints;
+ scope.visual = {
+ insertBefore: insertBefore,
+ remove: remove
+ };
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var HTMLElement = scope.wrappers.HTMLElement;
+ var assert = scope.assert;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var elementsWithFormProperty = [ "HTMLButtonElement", "HTMLFieldSetElement", "HTMLInputElement", "HTMLKeygenElement", "HTMLLabelElement", "HTMLLegendElement", "HTMLObjectElement", "HTMLOutputElement", "HTMLTextAreaElement" ];
+ function createWrapperConstructor(name) {
+ if (!window[name]) return;
+ assert(!scope.wrappers[name]);
+ var GeneratedWrapper = function(node) {
+ HTMLElement.call(this, node);
+ };
+ GeneratedWrapper.prototype = Object.create(HTMLElement.prototype);
+ mixin(GeneratedWrapper.prototype, {
+ get form() {
+ return wrap(unwrap(this).form);
+ }
+ });
+ registerWrapper(window[name], GeneratedWrapper, document.createElement(name.slice(4, -7)));
+ scope.wrappers[name] = GeneratedWrapper;
+ }
+ elementsWithFormProperty.forEach(createWrapperConstructor);
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var registerWrapper = scope.registerWrapper;
+ var setWrapper = scope.setWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var unwrapIfNeeded = scope.unwrapIfNeeded;
+ var wrap = scope.wrap;
+ var OriginalSelection = window.Selection;
+ function Selection(impl) {
+ setWrapper(impl, this);
+ }
+ Selection.prototype = {
+ get anchorNode() {
+ return wrap(unsafeUnwrap(this).anchorNode);
+ },
+ get focusNode() {
+ return wrap(unsafeUnwrap(this).focusNode);
+ },
+ addRange: function(range) {
+ unsafeUnwrap(this).addRange(unwrapIfNeeded(range));
+ },
+ collapse: function(node, index) {
+ unsafeUnwrap(this).collapse(unwrapIfNeeded(node), index);
+ },
+ containsNode: function(node, allowPartial) {
+ return unsafeUnwrap(this).containsNode(unwrapIfNeeded(node), allowPartial);
+ },
+ getRangeAt: function(index) {
+ return wrap(unsafeUnwrap(this).getRangeAt(index));
+ },
+ removeRange: function(range) {
+ unsafeUnwrap(this).removeRange(unwrap(range));
+ },
+ selectAllChildren: function(node) {
+ unsafeUnwrap(this).selectAllChildren(node instanceof ShadowRoot ? unsafeUnwrap(node.host) : unwrapIfNeeded(node));
+ },
+ toString: function() {
+ return unsafeUnwrap(this).toString();
+ }
+ };
+ if (OriginalSelection.prototype.extend) {
+ Selection.prototype.extend = function(node, offset) {
+ unsafeUnwrap(this).extend(unwrapIfNeeded(node), offset);
+ };
+ }
+ registerWrapper(window.Selection, Selection, window.getSelection());
+ scope.wrappers.Selection = Selection;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var registerWrapper = scope.registerWrapper;
+ var setWrapper = scope.setWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrapIfNeeded = scope.unwrapIfNeeded;
+ var wrap = scope.wrap;
+ var OriginalTreeWalker = window.TreeWalker;
+ function TreeWalker(impl) {
+ setWrapper(impl, this);
+ }
+ TreeWalker.prototype = {
+ get root() {
+ return wrap(unsafeUnwrap(this).root);
+ },
+ get currentNode() {
+ return wrap(unsafeUnwrap(this).currentNode);
+ },
+ set currentNode(node) {
+ unsafeUnwrap(this).currentNode = unwrapIfNeeded(node);
+ },
+ get filter() {
+ return unsafeUnwrap(this).filter;
+ },
+ parentNode: function() {
+ return wrap(unsafeUnwrap(this).parentNode());
+ },
+ firstChild: function() {
+ return wrap(unsafeUnwrap(this).firstChild());
+ },
+ lastChild: function() {
+ return wrap(unsafeUnwrap(this).lastChild());
+ },
+ previousSibling: function() {
+ return wrap(unsafeUnwrap(this).previousSibling());
+ },
+ previousNode: function() {
+ return wrap(unsafeUnwrap(this).previousNode());
+ },
+ nextNode: function() {
+ return wrap(unsafeUnwrap(this).nextNode());
+ }
+ };
+ registerWrapper(OriginalTreeWalker, TreeWalker);
+ scope.wrappers.TreeWalker = TreeWalker;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var GetElementsByInterface = scope.GetElementsByInterface;
+ var Node = scope.wrappers.Node;
+ var ParentNodeInterface = scope.ParentNodeInterface;
+ var NonElementParentNodeInterface = scope.NonElementParentNodeInterface;
+ var Selection = scope.wrappers.Selection;
+ var SelectorsInterface = scope.SelectorsInterface;
+ var ShadowRoot = scope.wrappers.ShadowRoot;
+ var TreeScope = scope.TreeScope;
+ var cloneNode = scope.cloneNode;
+ var defineGetter = scope.defineGetter;
+ var defineWrapGetter = scope.defineWrapGetter;
+ var elementFromPoint = scope.elementFromPoint;
+ var forwardMethodsToWrapper = scope.forwardMethodsToWrapper;
+ var matchesNames = scope.matchesNames;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var renderAllPending = scope.renderAllPending;
+ var rewrap = scope.rewrap;
+ var setWrapper = scope.setWrapper;
+ var unsafeUnwrap = scope.unsafeUnwrap;
+ var unwrap = scope.unwrap;
+ var wrap = scope.wrap;
+ var wrapEventTargetMethods = scope.wrapEventTargetMethods;
+ var wrapNodeList = scope.wrapNodeList;
+ var implementationTable = new WeakMap();
+ function Document(node) {
+ Node.call(this, node);
+ this.treeScope_ = new TreeScope(this, null);
+ }
+ Document.prototype = Object.create(Node.prototype);
+ defineWrapGetter(Document, "documentElement");
+ defineWrapGetter(Document, "body");
+ defineWrapGetter(Document, "head");
+ defineGetter(Document, "activeElement", function() {
+ var unwrappedActiveElement = unwrap(this).activeElement;
+ if (!unwrappedActiveElement || !unwrappedActiveElement.nodeType) return null;
+ var activeElement = wrap(unwrappedActiveElement);
+ while (!this.contains(activeElement)) {
+ while (activeElement.parentNode) {
+ activeElement = activeElement.parentNode;
+ }
+ if (activeElement.host) {
+ activeElement = activeElement.host;
+ } else {
+ return null;
+ }
+ }
+ return activeElement;
+ });
+ function wrapMethod(name) {
+ var original = document[name];
+ Document.prototype[name] = function() {
+ return wrap(original.apply(unsafeUnwrap(this), arguments));
+ };
+ }
+ [ "createComment", "createDocumentFragment", "createElement", "createElementNS", "createEvent", "createEventNS", "createRange", "createTextNode" ].forEach(wrapMethod);
+ var originalAdoptNode = document.adoptNode;
+ function adoptNodeNoRemove(node, doc) {
+ originalAdoptNode.call(unsafeUnwrap(doc), unwrap(node));
+ adoptSubtree(node, doc);
+ }
+ function adoptSubtree(node, doc) {
+ if (node.shadowRoot) doc.adoptNode(node.shadowRoot);
+ if (node instanceof ShadowRoot) adoptOlderShadowRoots(node, doc);
+ for (var child = node.firstChild; child; child = child.nextSibling) {
+ adoptSubtree(child, doc);
+ }
+ }
+ function adoptOlderShadowRoots(shadowRoot, doc) {
+ var oldShadowRoot = shadowRoot.olderShadowRoot;
+ if (oldShadowRoot) doc.adoptNode(oldShadowRoot);
+ }
+ var originalGetSelection = document.getSelection;
+ mixin(Document.prototype, {
+ adoptNode: function(node) {
+ if (node.parentNode) node.parentNode.removeChild(node);
+ adoptNodeNoRemove(node, this);
+ return node;
+ },
+ elementFromPoint: function(x, y) {
+ return elementFromPoint(this, this, x, y);
+ },
+ importNode: function(node, deep) {
+ return cloneNode(node, deep, unsafeUnwrap(this));
+ },
+ getSelection: function() {
+ renderAllPending();
+ return new Selection(originalGetSelection.call(unwrap(this)));
+ },
+ getElementsByName: function(name) {
+ return SelectorsInterface.querySelectorAll.call(this, "[name=" + JSON.stringify(String(name)) + "]");
+ }
+ });
+ var originalCreateTreeWalker = document.createTreeWalker;
+ var TreeWalkerWrapper = scope.wrappers.TreeWalker;
+ Document.prototype.createTreeWalker = function(root, whatToShow, filter, expandEntityReferences) {
+ var newFilter = null;
+ if (filter) {
+ if (filter.acceptNode && typeof filter.acceptNode === "function") {
+ newFilter = {
+ acceptNode: function(node) {
+ return filter.acceptNode(wrap(node));
+ }
+ };
+ } else if (typeof filter === "function") {
+ newFilter = function(node) {
+ return filter(wrap(node));
+ };
+ }
+ }
+ return new TreeWalkerWrapper(originalCreateTreeWalker.call(unwrap(this), unwrap(root), whatToShow, newFilter, expandEntityReferences));
+ };
+ if (document.registerElement) {
+ var originalRegisterElement = document.registerElement;
+ Document.prototype.registerElement = function(tagName, object) {
+ var prototype, extendsOption;
+ if (object !== undefined) {
+ prototype = object.prototype;
+ extendsOption = object.extends;
+ }
+ if (!prototype) prototype = Object.create(HTMLElement.prototype);
+ if (scope.nativePrototypeTable.get(prototype)) {
+ throw new Error("NotSupportedError");
+ }
+ var proto = Object.getPrototypeOf(prototype);
+ var nativePrototype;
+ var prototypes = [];
+ while (proto) {
+ nativePrototype = scope.nativePrototypeTable.get(proto);
+ if (nativePrototype) break;
+ prototypes.push(proto);
+ proto = Object.getPrototypeOf(proto);
+ }
+ if (!nativePrototype) {
+ throw new Error("NotSupportedError");
+ }
+ var newPrototype = Object.create(nativePrototype);
+ for (var i = prototypes.length - 1; i >= 0; i--) {
+ newPrototype = Object.create(newPrototype);
+ }
+ [ "createdCallback", "attachedCallback", "detachedCallback", "attributeChangedCallback" ].forEach(function(name) {
+ var f = prototype[name];
+ if (!f) return;
+ newPrototype[name] = function() {
+ if (!(wrap(this) instanceof CustomElementConstructor)) {
+ rewrap(this);
+ }
+ f.apply(wrap(this), arguments);
+ };
+ });
+ var p = {
+ prototype: newPrototype
+ };
+ if (extendsOption) p.extends = extendsOption;
+ function CustomElementConstructor(node) {
+ if (!node) {
+ if (extendsOption) {
+ return document.createElement(extendsOption, tagName);
+ } else {
+ return document.createElement(tagName);
+ }
+ }
+ setWrapper(node, this);
+ }
+ CustomElementConstructor.prototype = prototype;
+ CustomElementConstructor.prototype.constructor = CustomElementConstructor;
+ scope.constructorTable.set(newPrototype, CustomElementConstructor);
+ scope.nativePrototypeTable.set(prototype, newPrototype);
+ var nativeConstructor = originalRegisterElement.call(unwrap(this), tagName, p);
+ return CustomElementConstructor;
+ };
+ forwardMethodsToWrapper([ window.HTMLDocument || window.Document ], [ "registerElement" ]);
+ }
+ forwardMethodsToWrapper([ window.HTMLBodyElement, window.HTMLDocument || window.Document, window.HTMLHeadElement, window.HTMLHtmlElement ], [ "appendChild", "compareDocumentPosition", "contains", "getElementsByClassName", "getElementsByTagName", "getElementsByTagNameNS", "insertBefore", "querySelector", "querySelectorAll", "removeChild", "replaceChild" ]);
+ forwardMethodsToWrapper([ window.HTMLBodyElement, window.HTMLHeadElement, window.HTMLHtmlElement ], matchesNames);
+ forwardMethodsToWrapper([ window.HTMLDocument || window.Document ], [ "adoptNode", "importNode", "contains", "createComment", "createDocumentFragment", "createElement", "createElementNS", "createEvent", "createEventNS", "createRange", "createTextNode", "createTreeWalker", "elementFromPoint", "getElementById", "getElementsByName", "getSelection" ]);
+ mixin(Document.prototype, GetElementsByInterface);
+ mixin(Document.prototype, ParentNodeInterface);
+ mixin(Document.prototype, SelectorsInterface);
+ mixin(Document.prototype, NonElementParentNodeInterface);
+ mixin(Document.prototype, {
+ get implementation() {
+ var implementation = implementationTable.get(this);
+ if (implementation) return implementation;
+ implementation = new DOMImplementation(unwrap(this).implementation);
+ implementationTable.set(this, implementation);
+ return implementation;
+ },
+ get defaultView() {
+ return wrap(unwrap(this).defaultView);
+ }
+ });
+ registerWrapper(window.Document, Document, document.implementation.createHTMLDocument(""));
+ if (window.HTMLDocument) registerWrapper(window.HTMLDocument, Document);
+ wrapEventTargetMethods([ window.HTMLBodyElement, window.HTMLDocument || window.Document, window.HTMLHeadElement ]);
+ function DOMImplementation(impl) {
+ setWrapper(impl, this);
+ }
+ var originalCreateDocument = document.implementation.createDocument;
+ DOMImplementation.prototype.createDocument = function() {
+ arguments[2] = unwrap(arguments[2]);
+ return wrap(originalCreateDocument.apply(unsafeUnwrap(this), arguments));
+ };
+ function wrapImplMethod(constructor, name) {
+ var original = document.implementation[name];
+ constructor.prototype[name] = function() {
+ return wrap(original.apply(unsafeUnwrap(this), arguments));
+ };
+ }
+ function forwardImplMethod(constructor, name) {
+ var original = document.implementation[name];
+ constructor.prototype[name] = function() {
+ return original.apply(unsafeUnwrap(this), arguments);
+ };
+ }
+ wrapImplMethod(DOMImplementation, "createDocumentType");
+ wrapImplMethod(DOMImplementation, "createHTMLDocument");
+ forwardImplMethod(DOMImplementation, "hasFeature");
+ registerWrapper(window.DOMImplementation, DOMImplementation);
+ forwardMethodsToWrapper([ window.DOMImplementation ], [ "createDocument", "createDocumentType", "createHTMLDocument", "hasFeature" ]);
+ scope.adoptNodeNoRemove = adoptNodeNoRemove;
+ scope.wrappers.DOMImplementation = DOMImplementation;
+ scope.wrappers.Document = Document;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var EventTarget = scope.wrappers.EventTarget;
+ var Selection = scope.wrappers.Selection;
+ var mixin = scope.mixin;
+ var registerWrapper = scope.registerWrapper;
+ var renderAllPending = scope.renderAllPending;
+ var unwrap = scope.unwrap;
+ var unwrapIfNeeded = scope.unwrapIfNeeded;
+ var wrap = scope.wrap;
+ var OriginalWindow = window.Window;
+ var originalGetComputedStyle = window.getComputedStyle;
+ var originalGetDefaultComputedStyle = window.getDefaultComputedStyle;
+ var originalGetSelection = window.getSelection;
+ function Window(impl) {
+ EventTarget.call(this, impl);
+ }
+ Window.prototype = Object.create(EventTarget.prototype);
+ OriginalWindow.prototype.getComputedStyle = function(el, pseudo) {
+ return wrap(this || window).getComputedStyle(unwrapIfNeeded(el), pseudo);
+ };
+ if (originalGetDefaultComputedStyle) {
+ OriginalWindow.prototype.getDefaultComputedStyle = function(el, pseudo) {
+ return wrap(this || window).getDefaultComputedStyle(unwrapIfNeeded(el), pseudo);
+ };
+ }
+ OriginalWindow.prototype.getSelection = function() {
+ return wrap(this || window).getSelection();
+ };
+ delete window.getComputedStyle;
+ delete window.getDefaultComputedStyle;
+ delete window.getSelection;
+ [ "addEventListener", "removeEventListener", "dispatchEvent" ].forEach(function(name) {
+ OriginalWindow.prototype[name] = function() {
+ var w = wrap(this || window);
+ return w[name].apply(w, arguments);
+ };
+ delete window[name];
+ });
+ mixin(Window.prototype, {
+ getComputedStyle: function(el, pseudo) {
+ renderAllPending();
+ return originalGetComputedStyle.call(unwrap(this), unwrapIfNeeded(el), pseudo);
+ },
+ getSelection: function() {
+ renderAllPending();
+ return new Selection(originalGetSelection.call(unwrap(this)));
+ },
+ get document() {
+ return wrap(unwrap(this).document);
+ }
+ });
+ if (originalGetDefaultComputedStyle) {
+ Window.prototype.getDefaultComputedStyle = function(el, pseudo) {
+ renderAllPending();
+ return originalGetDefaultComputedStyle.call(unwrap(this), unwrapIfNeeded(el), pseudo);
+ };
+ }
+ registerWrapper(OriginalWindow, Window, window);
+ scope.wrappers.Window = Window;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var unwrap = scope.unwrap;
+ var OriginalDataTransfer = window.DataTransfer || window.Clipboard;
+ var OriginalDataTransferSetDragImage = OriginalDataTransfer.prototype.setDragImage;
+ if (OriginalDataTransferSetDragImage) {
+ OriginalDataTransfer.prototype.setDragImage = function(image, x, y) {
+ OriginalDataTransferSetDragImage.call(this, unwrap(image), x, y);
+ };
+ }
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var registerWrapper = scope.registerWrapper;
+ var setWrapper = scope.setWrapper;
+ var unwrap = scope.unwrap;
+ var OriginalFormData = window.FormData;
+ if (!OriginalFormData) return;
+ function FormData(formElement) {
+ var impl;
+ if (formElement instanceof OriginalFormData) {
+ impl = formElement;
+ } else {
+ impl = new OriginalFormData(formElement && unwrap(formElement));
+ }
+ setWrapper(impl, this);
+ }
+ registerWrapper(OriginalFormData, FormData, new OriginalFormData());
+ scope.wrappers.FormData = FormData;
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var unwrapIfNeeded = scope.unwrapIfNeeded;
+ var originalSend = XMLHttpRequest.prototype.send;
+ XMLHttpRequest.prototype.send = function(obj) {
+ return originalSend.call(this, unwrapIfNeeded(obj));
+ };
+})(window.ShadowDOMPolyfill);
+
+(function(scope) {
+ "use strict";
+ var isWrapperFor = scope.isWrapperFor;
+ var elements = {
+ a: "HTMLAnchorElement",
+ area: "HTMLAreaElement",
+ audio: "HTMLAudioElement",
+ base: "HTMLBaseElement",
+ body: "HTMLBodyElement",
+ br: "HTMLBRElement",
+ button: "HTMLButtonElement",
+ canvas: "HTMLCanvasElement",
+ caption: "HTMLTableCaptionElement",
+ col: "HTMLTableColElement",
+ content: "HTMLContentElement",
+ data: "HTMLDataElement",
+ datalist: "HTMLDataListElement",
+ del: "HTMLModElement",
+ dir: "HTMLDirectoryElement",
+ div: "HTMLDivElement",
+ dl: "HTMLDListElement",
+ embed: "HTMLEmbedElement",
+ fieldset: "HTMLFieldSetElement",
+ font: "HTMLFontElement",
+ form: "HTMLFormElement",
+ frame: "HTMLFrameElement",
+ frameset: "HTMLFrameSetElement",
+ h1: "HTMLHeadingElement",
+ head: "HTMLHeadElement",
+ hr: "HTMLHRElement",
+ html: "HTMLHtmlElement",
+ iframe: "HTMLIFrameElement",
+ img: "HTMLImageElement",
+ input: "HTMLInputElement",
+ keygen: "HTMLKeygenElement",
+ label: "HTMLLabelElement",
+ legend: "HTMLLegendElement",
+ li: "HTMLLIElement",
+ link: "HTMLLinkElement",
+ map: "HTMLMapElement",
+ marquee: "HTMLMarqueeElement",
+ menu: "HTMLMenuElement",
+ menuitem: "HTMLMenuItemElement",
+ meta: "HTMLMetaElement",
+ meter: "HTMLMeterElement",
+ object: "HTMLObjectElement",
+ ol: "HTMLOListElement",
+ optgroup: "HTMLOptGroupElement",
+ option: "HTMLOptionElement",
+ output: "HTMLOutputElement",
+ p: "HTMLParagraphElement",
+ param: "HTMLParamElement",
+ pre: "HTMLPreElement",
+ progress: "HTMLProgressElement",
+ q: "HTMLQuoteElement",
+ script: "HTMLScriptElement",
+ select: "HTMLSelectElement",
+ shadow: "HTMLShadowElement",
+ source: "HTMLSourceElement",
+ span: "HTMLSpanElement",
+ style: "HTMLStyleElement",
+ table: "HTMLTableElement",
+ tbody: "HTMLTableSectionElement",
+ template: "HTMLTemplateElement",
+ textarea: "HTMLTextAreaElement",
+ thead: "HTMLTableSectionElement",
+ time: "HTMLTimeElement",
+ title: "HTMLTitleElement",
+ tr: "HTMLTableRowElement",
+ track: "HTMLTrackElement",
+ ul: "HTMLUListElement",
+ video: "HTMLVideoElement"
+ };
+ function overrideConstructor(tagName) {
+ var nativeConstructorName = elements[tagName];
+ var nativeConstructor = window[nativeConstructorName];
+ if (!nativeConstructor) return;
+ var element = document.createElement(tagName);
+ var wrapperConstructor = element.constructor;
+ window[nativeConstructorName] = wrapperConstructor;
+ }
+ Object.keys(elements).forEach(overrideConstructor);
+ Object.getOwnPropertyNames(scope.wrappers).forEach(function(name) {
+ window[name] = scope.wrappers[name];
+ });
+})(window.ShadowDOMPolyfill);
« no previous file with comments | « packages/web_components/lib/README.md ('k') | packages/web_components/lib/ShadowDOM.min.js » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698