<!--
@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
--><link rel="import" href="polymer-micro.html">

<script>Polymer.Base._addFeature({
_prepTemplate: function () {
this._template = this._template || Polymer.DomModule.import(this.is, 'template');
if (this._template && this._template.hasAttribute('is')) {
this._warn(this._logf('_prepTemplate', 'top-level Polymer template ' + 'must not be a type-extension, found', this._template, 'Move inside simple <template>.'));
}
if (this._template && !this._template.content && HTMLTemplateElement.bootstrap) {
HTMLTemplateElement.decorate(this._template);
HTMLTemplateElement.bootstrap(this._template.content);
}
},
_stampTemplate: function () {
if (this._template) {
this.root = this.instanceTemplate(this._template);
}
},
instanceTemplate: function (template) {
var dom = document.importNode(template._content || template.content, true);
return dom;
}
});
(function () {
var baseAttachedCallback = Polymer.Base.attachedCallback;
Polymer.Base._addFeature({
_hostStack: [],
ready: function () {
},
_pushHost: function (host) {
this.dataHost = host = host || Polymer.Base._hostStack[Polymer.Base._hostStack.length - 1];
if (host && host._clients) {
host._clients.push(this);
}
this._beginHost();
},
_beginHost: function () {
Polymer.Base._hostStack.push(this);
if (!this._clients) {
this._clients = [];
}
},
_popHost: function () {
Polymer.Base._hostStack.pop();
},
_tryReady: function () {
if (this._canReady()) {
this._ready();
}
},
_canReady: function () {
return !this.dataHost || this.dataHost._clientsReadied;
},
_ready: function () {
this._beforeClientsReady();
this._setupRoot();
this._readyClients();
this._afterClientsReady();
this._readySelf();
},
_readyClients: function () {
this._beginDistribute();
var c$ = this._clients;
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
c._ready();
}
this._finishDistribute();
this._clientsReadied = true;
this._clients = null;
},
_readySelf: function () {
this._doBehavior('ready');
this._readied = true;
if (this._attachedPending) {
this._attachedPending = false;
this.attachedCallback();
}
},
_beforeClientsReady: function () {
},
_afterClientsReady: function () {
},
_beforeAttached: function () {
},
attachedCallback: function () {
if (this._readied) {
this._beforeAttached();
baseAttachedCallback.call(this);
} else {
this._attachedPending = true;
}
}
});
}());
Polymer.ArraySplice = function () {
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;
}
};
return new ArraySplice();
}();
Polymer.domInnerHTML = function () {
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 '\xA0':
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'
]);
function getOuterHTML(node, parentNode, composed) {
switch (node.nodeType) {
case Node.ELEMENT_NODE:
var tagName = node.localName;
var s = '<' + tagName;
var attrs = node.attributes;
for (var i = 0, attr; attr = attrs[i]; i++) {
s += ' ' + attr.name + '="' + escapeAttr(attr.value) + '"';
}
s += '>';
if (voidElements[tagName]) {
return s;
}
return s + getInnerHTML(node, composed) + '</' + 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, composed) {
if (node instanceof HTMLTemplateElement)
node = node.content;
var s = '';
var c$ = Polymer.dom(node).childNodes;
c$ = composed ? node._composedChildren : c$;
for (var i = 0, l = c$.length, child; i < l && (child = c$[i]); i++) {
s += getOuterHTML(child, node, composed);
}
return s;
}
return { getInnerHTML: getInnerHTML };
}();
Polymer.DomApi = function () {
'use strict';
var Settings = Polymer.Settings;
var getInnerHTML = Polymer.domInnerHTML.getInnerHTML;
var nativeInsertBefore = Element.prototype.insertBefore;
var nativeRemoveChild = Element.prototype.removeChild;
var nativeAppendChild = Element.prototype.appendChild;
var nativeCloneNode = Element.prototype.cloneNode;
var nativeImportNode = Document.prototype.importNode;
var DomApi = function (node) {
this.node = node;
if (this.patch) {
this.patch();
}
};
if (window.wrap && Settings.useShadow && !Settings.useNativeShadow) {
DomApi = function (node) {
this.node = wrap(node);
if (this.patch) {
this.patch();
}
};
}
DomApi.prototype = {
flush: function () {
Polymer.dom.flush();
},
_lazyDistribute: function (host) {
if (host.shadyRoot && host.shadyRoot._distributionClean) {
host.shadyRoot._distributionClean = false;
Polymer.dom.addDebouncer(host.debounce('_distribute', host._distributeContent));
}
},
appendChild: function (node) {
return this._addNode(node);
},
insertBefore: function (node, ref_node) {
return this._addNode(node, ref_node);
},
_addNode: function (node, ref_node) {
this._removeNodeFromParent(node);
var addedInsertionPoint;
var root = this.getOwnerRoot();
if (root) {
addedInsertionPoint = this._maybeAddInsertionPoint(node, this.node);
}
if (this._nodeHasLogicalChildren(this.node)) {
if (ref_node) {
var children = this.childNodes;
var index = children.indexOf(ref_node);
if (index < 0) {
throw Error('The ref_node to be inserted before is not a child ' + 'of this node');
}
}
this._addLogicalInfo(node, this.node, index);
}
this._addNodeToHost(node);
if (!this._maybeDistribute(node, this.node) && !this._tryRemoveUndistributedNode(node)) {
if (ref_node) {
ref_node = ref_node.localName === CONTENT ? this._firstComposedNode(ref_node) : ref_node;
}
var container = this.node._isShadyRoot ? this.node.host : this.node;
addToComposedParent(container, node, ref_node);
if (ref_node) {
nativeInsertBefore.call(container, node, ref_node);
} else {
nativeAppendChild.call(container, node);
}
}
if (addedInsertionPoint) {
this._updateInsertionPoints(root.host);
}
this.notifyObserver();
return node;
},
removeChild: function (node) {
if (factory(node).parentNode !== this.node) {
console.warn('The node to be removed is not a child of this node', node);
}
this._removeNodeFromHost(node);
if (!this._maybeDistribute(node, this.node)) {
var container = this.node._isShadyRoot ? this.node.host : this.node;
if (container === node.parentNode) {
removeFromComposedParent(container, node);
nativeRemoveChild.call(container, node);
}
}
this.notifyObserver();
return node;
},
replaceChild: function (node, ref_node) {
this.insertBefore(node, ref_node);
this.removeChild(ref_node);
return node;
},
_hasCachedOwnerRoot: function (node) {
return Boolean(node._ownerShadyRoot !== undefined);
},
getOwnerRoot: function () {
return this._ownerShadyRootForNode(this.node);
},
_ownerShadyRootForNode: function (node) {
if (!node) {
return;
}
if (node._ownerShadyRoot === undefined) {
var root;
if (node._isShadyRoot) {
root = node;
} else {
var parent = Polymer.dom(node).parentNode;
if (parent) {
root = parent._isShadyRoot ? parent : this._ownerShadyRootForNode(parent);
} else {
root = null;
}
}
node._ownerShadyRoot = root;
}
return node._ownerShadyRoot;
},
_maybeDistribute: function (node, parent) {
var fragContent = node.nodeType === Node.DOCUMENT_FRAGMENT_NODE && !node.__noContent && Polymer.dom(node).querySelector(CONTENT);
var wrappedContent = fragContent && Polymer.dom(fragContent).parentNode.nodeType !== Node.DOCUMENT_FRAGMENT_NODE;
var hasContent = fragContent || node.localName === CONTENT;
if (hasContent) {
var root = this._ownerShadyRootForNode(parent);
if (root) {
var host = root.host;
this._lazyDistribute(host);
}
}
var parentNeedsDist = this._parentNeedsDistribution(parent);
if (parentNeedsDist) {
this._lazyDistribute(parent);
}
return parentNeedsDist || hasContent && !wrappedContent;
},
_maybeAddInsertionPoint: function (node, parent) {
var added;
if (node.nodeType === Node.DOCUMENT_FRAGMENT_NODE && !node.__noContent) {
var c$ = factory(node).querySelectorAll(CONTENT);
for (var i = 0, n, np, na; i < c$.length && (n = c$[i]); i++) {
np = factory(n).parentNode;
if (np === node) {
np = parent;
}
na = this._maybeAddInsertionPoint(n, np);
added = added || na;
}
} else if (node.localName === CONTENT) {
saveLightChildrenIfNeeded(parent);
saveLightChildrenIfNeeded(node);
added = true;
}
return added;
},
_tryRemoveUndistributedNode: function (node) {
if (this.node.shadyRoot) {
var parent = getComposedParent(node);
if (parent) {
nativeRemoveChild.call(parent, node);
}
return true;
}
},
_updateInsertionPoints: function (host) {
var i$ = host.shadyRoot._insertionPoints = factory(host.shadyRoot).querySelectorAll(CONTENT);
for (var i = 0, c; i < i$.length; i++) {
c = i$[i];
saveLightChildrenIfNeeded(c);
saveLightChildrenIfNeeded(factory(c).parentNode);
}
},
_nodeHasLogicalChildren: function (node) {
return Boolean(node._lightChildren !== undefined);
},
_parentNeedsDistribution: function (parent) {
return parent && parent.shadyRoot && hasInsertionPoint(parent.shadyRoot);
},
_removeNodeFromParent: function (node) {
var parent = node._lightParent || node.parentNode;
if (parent && hasDomApi(parent)) {
factory(parent).notifyObserver();
}
this._removeNodeFromHost(node, true);
},
_removeNodeFromHost: function (node, ensureComposedRemoval) {
var hostNeedsDist;
var root;
var parent = node._lightParent;
if (parent) {
factory(node)._distributeParent();
root = this._ownerShadyRootForNode(node);
if (root) {
root.host._elementRemove(node);
hostNeedsDist = this._removeDistributedChildren(root, node);
}
this._removeLogicalInfo(node, parent);
}
this._removeOwnerShadyRoot(node);
if (root && hostNeedsDist) {
this._updateInsertionPoints(root.host);
this._lazyDistribute(root.host);
} else if (ensureComposedRemoval) {
removeFromComposedParent(getComposedParent(node), node);
}
},
_removeDistributedChildren: function (root, container) {
var hostNeedsDist;
var ip$ = root._insertionPoints;
for (var i = 0; i < ip$.length; i++) {
var content = ip$[i];
if (this._contains(container, content)) {
var dc$ = factory(content).getDistributedNodes();
for (var j = 0; j < dc$.length; j++) {
hostNeedsDist = true;
var node = dc$[j];
var parent = node.parentNode;
if (parent) {
removeFromComposedParent(parent, node);
nativeRemoveChild.call(parent, node);
}
}
}
}
return hostNeedsDist;
},
_contains: function (container, node) {
while (node) {
if (node == container) {
return true;
}
node = factory(node).parentNode;
}
},
_addNodeToHost: function (node) {
var root = this.getOwnerRoot();
if (root) {
root.host._elementAdd(node);
}
},
_addLogicalInfo: function (node, container, index) {
var children = factory(container).childNodes;
index = index === undefined ? children.length : index;
if (node.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
var c$ = Array.prototype.slice.call(node.childNodes);
for (var i = 0, n; i < c$.length && (n = c$[i]); i++) {
children.splice(index++, 0, n);
n._lightParent = container;
}
} else {
children.splice(index, 0, node);
node._lightParent = container;
}
},
_removeLogicalInfo: function (node, container) {
var children = factory(container).childNodes;
var index = children.indexOf(node);
if (index < 0 || container !== node._lightParent) {
throw Error('The node to be removed is not a child of this node');
}
children.splice(index, 1);
node._lightParent = null;
},
_removeOwnerShadyRoot: function (node) {
if (this._hasCachedOwnerRoot(node)) {
var c$ = factory(node).childNodes;
for (var i = 0, l = c$.length, n; i < l && (n = c$[i]); i++) {
this._removeOwnerShadyRoot(n);
}
}
node._ownerShadyRoot = undefined;
},
_firstComposedNode: function (content) {
var n$ = factory(content).getDistributedNodes();
for (var i = 0, l = n$.length, n, p$; i < l && (n = n$[i]); i++) {
p$ = factory(n).getDestinationInsertionPoints();
if (p$[p$.length - 1] === content) {
return n;
}
}
},
querySelector: function (selector) {
return this.querySelectorAll(selector)[0];
},
querySelectorAll: function (selector) {
return this._query(function (n) {
return matchesSelector.call(n, selector);
}, this.node);
},
_query: function (matcher, node) {
node = node || this.node;
var list = [];
this._queryElements(factory(node).childNodes, matcher, list);
return list;
},
_queryElements: function (elements, matcher, list) {
for (var i = 0, l = elements.length, c; i < l && (c = elements[i]); i++) {
if (c.nodeType === Node.ELEMENT_NODE) {
this._queryElement(c, matcher, list);
}
}
},
_queryElement: function (node, matcher, list) {
if (matcher(node)) {
list.push(node);
}
this._queryElements(factory(node).childNodes, matcher, list);
},
getDestinationInsertionPoints: function () {
return this.node._destinationInsertionPoints || [];
},
getDistributedNodes: function () {
return this.node._distributedNodes || [];
},
queryDistributedElements: function (selector) {
var c$ = this.getEffectiveChildNodes();
var list = [];
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
if (c.nodeType === Node.ELEMENT_NODE && matchesSelector.call(c, selector)) {
list.push(c);
}
}
return list;
},
getEffectiveChildNodes: function () {
var list = [];
var c$ = this.childNodes;
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
if (c.localName === CONTENT) {
var d$ = factory(c).getDistributedNodes();
for (var j = 0; j < d$.length; j++) {
list.push(d$[j]);
}
} else {
list.push(c);
}
}
return list;
},
_clear: function () {
while (this.childNodes.length) {
this.removeChild(this.childNodes[0]);
}
},
setAttribute: function (name, value) {
this.node.setAttribute(name, value);
this._distributeParent();
},
removeAttribute: function (name) {
this.node.removeAttribute(name);
this._distributeParent();
},
_distributeParent: function () {
if (this._parentNeedsDistribution(this.parentNode)) {
this._lazyDistribute(this.parentNode);
}
},
cloneNode: function (deep) {
var n = nativeCloneNode.call(this.node, false);
if (deep) {
var c$ = this.childNodes;
var d = factory(n);
for (var i = 0, nc; i < c$.length; i++) {
nc = factory(c$[i]).cloneNode(true);
d.appendChild(nc);
}
}
return n;
},
importNode: function (externalNode, deep) {
var doc = this.node instanceof Document ? this.node : this.node.ownerDocument;
var n = nativeImportNode.call(doc, externalNode, false);
if (deep) {
var c$ = factory(externalNode).childNodes;
var d = factory(n);
for (var i = 0, nc; i < c$.length; i++) {
nc = factory(doc).importNode(c$[i], true);
d.appendChild(nc);
}
}
return n;
},
observeNodes: function (callback) {
if (callback) {
if (!this.observer) {
this.observer = this.node.localName === CONTENT ? new DomApi.DistributedNodesObserver(this) : new DomApi.EffectiveNodesObserver(this);
}
return this.observer.addListener(callback);
}
},
unobserveNodes: function (handle) {
if (this.observer) {
this.observer.removeListener(handle);
}
},
notifyObserver: function () {
if (this.observer) {
this.observer.notify();
}
}
};
if (!Settings.useShadow) {
Object.defineProperties(DomApi.prototype, {
childNodes: {
get: function () {
var c$ = getLightChildren(this.node);
return Array.isArray(c$) ? c$ : Array.prototype.slice.call(c$);
},
configurable: true
},
children: {
get: function () {
return Array.prototype.filter.call(this.childNodes, function (n) {
return n.nodeType === Node.ELEMENT_NODE;
});
},
configurable: true
},
parentNode: {
get: function () {
return this.node._lightParent || getComposedParent(this.node);
},
configurable: true
},
firstChild: {
get: function () {
return this.childNodes[0];
},
configurable: true
},
lastChild: {
get: function () {
var c$ = this.childNodes;
return c$[c$.length - 1];
},
configurable: true
},
nextSibling: {
get: function () {
var c$ = this.parentNode && factory(this.parentNode).childNodes;
if (c$) {
return c$[Array.prototype.indexOf.call(c$, this.node) + 1];
}
},
configurable: true
},
previousSibling: {
get: function () {
var c$ = this.parentNode && factory(this.parentNode).childNodes;
if (c$) {
return c$[Array.prototype.indexOf.call(c$, this.node) - 1];
}
},
configurable: true
},
firstElementChild: {
get: function () {
return this.children[0];
},
configurable: true
},
lastElementChild: {
get: function () {
var c$ = this.children;
return c$[c$.length - 1];
},
configurable: true
},
nextElementSibling: {
get: function () {
var c$ = this.parentNode && factory(this.parentNode).children;
if (c$) {
return c$[Array.prototype.indexOf.call(c$, this.node) + 1];
}
},
configurable: true
},
previousElementSibling: {
get: function () {
var c$ = this.parentNode && factory(this.parentNode).children;
if (c$) {
return c$[Array.prototype.indexOf.call(c$, this.node) - 1];
}
},
configurable: true
},
textContent: {
get: function () {
var nt = this.node.nodeType;
if (nt === Node.TEXT_NODE || nt === Node.COMMENT_NODE) {
return this.node.textContent;
} else {
var tc = [];
for (var i = 0, cn = this.childNodes, c; c = cn[i]; i++) {
if (c.nodeType !== Node.COMMENT_NODE) {
tc.push(c.textContent);
}
}
return tc.join('');
}
},
set: function (text) {
var nt = this.node.nodeType;
if (nt === Node.TEXT_NODE || nt === Node.COMMENT_NODE) {
this.node.textContent = text;
} else {
this._clear();
if (text) {
this.appendChild(document.createTextNode(text));
}
}
},
configurable: true
},
innerHTML: {
get: function () {
var nt = this.node.nodeType;
if (nt === Node.TEXT_NODE || nt === Node.COMMENT_NODE) {
return null;
} else {
return getInnerHTML(this.node);
}
},
set: function (text) {
var nt = this.node.nodeType;
if (nt !== Node.TEXT_NODE || nt !== Node.COMMENT_NODE) {
this._clear();
var d = document.createElement('div');
d.innerHTML = text;
var c$ = Array.prototype.slice.call(d.childNodes);
for (var i = 0; i < c$.length; i++) {
this.appendChild(c$[i]);
}
}
},
configurable: true
}
});
DomApi.prototype._getComposedInnerHTML = function () {
return getInnerHTML(this.node, true);
};
} else {
var forwardMethods = [
'cloneNode',
'appendChild',
'insertBefore',
'removeChild',
'replaceChild'
];
forwardMethods.forEach(function (name) {
DomApi.prototype[name] = function () {
return this.node[name].apply(this.node, arguments);
};
});
DomApi.prototype.querySelectorAll = function (selector) {
return Array.prototype.slice.call(this.node.querySelectorAll(selector));
};
DomApi.prototype.getOwnerRoot = function () {
var n = this.node;
while (n) {
if (n.nodeType === Node.DOCUMENT_FRAGMENT_NODE && n.host) {
return n;
}
n = n.parentNode;
}
};
DomApi.prototype.importNode = function (externalNode, deep) {
var doc = this.node instanceof Document ? this.node : this.node.ownerDocument;
return doc.importNode(externalNode, deep);
};
DomApi.prototype.getDestinationInsertionPoints = function () {
var n$ = this.node.getDestinationInsertionPoints && this.node.getDestinationInsertionPoints();
return n$ ? Array.prototype.slice.call(n$) : [];
};
DomApi.prototype.getDistributedNodes = function () {
var n$ = this.node.getDistributedNodes && this.node.getDistributedNodes();
return n$ ? Array.prototype.slice.call(n$) : [];
};
DomApi.prototype._distributeParent = function () {
};
var nativeForwards = [
'appendChild',
'insertBefore',
'removeChild',
'replaceChild'
];
nativeForwards.forEach(function (forward) {
DomApi.prototype[forward] = function () {
return this.node[forward].apply(this.node, arguments);
};
});
Object.defineProperties(DomApi.prototype, {
childNodes: {
get: function () {
return Array.prototype.slice.call(this.node.childNodes);
},
configurable: true
},
children: {
get: function () {
return Array.prototype.slice.call(this.node.children);
},
configurable: true
},
textContent: {
get: function () {
return this.node.textContent;
},
set: function (value) {
return this.node.textContent = value;
},
configurable: true
},
innerHTML: {
get: function () {
return this.node.innerHTML;
},
set: function (value) {
return this.node.innerHTML = value;
},
configurable: true
}
});
var forwardProperties = [
'parentNode',
'firstChild',
'lastChild',
'nextSibling',
'previousSibling',
'firstElementChild',
'lastElementChild',
'nextElementSibling',
'previousElementSibling'
];
forwardProperties.forEach(function (name) {
Object.defineProperty(DomApi.prototype, name, {
get: function () {
return this.node[name];
},
configurable: true
});
});
}
var CONTENT = 'content';
function factory(node, patch) {
node = node || document;
if (!node.__domApi) {
node.__domApi = new DomApi(node, patch);
}
return node.__domApi;
}
;
function hasDomApi(node) {
return Boolean(node.__domApi);
}
Polymer.dom = function (obj, patch) {
if (obj instanceof Event) {
return Polymer.EventApi.factory(obj);
} else {
return factory(obj, patch);
}
};
function getLightChildren(node) {
var children = node._lightChildren;
return children ? children : node.childNodes;
}
function getComposedChildren(node) {
if (!node._composedChildren) {
node._composedChildren = Array.prototype.slice.call(node.childNodes);
}
return node._composedChildren;
}
function addToComposedParent(parent, node, ref_node) {
var children = getComposedChildren(parent);
var i = ref_node ? children.indexOf(ref_node) : -1;
if (node.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
var fragChildren = getComposedChildren(node);
for (var j = 0; j < fragChildren.length; j++) {
addNodeToComposedChildren(fragChildren[j], parent, children, i + j);
}
node._composedChildren = null;
} else {
addNodeToComposedChildren(node, parent, children, i);
}
}
function getComposedParent(node) {
return node.__patched ? node._composedParent : node.parentNode;
}
function addNodeToComposedChildren(node, parent, children, i) {
node._composedParent = parent;
children.splice(i >= 0 ? i : children.length, 0, node);
}
function removeFromComposedParent(parent, node) {
node._composedParent = null;
if (parent) {
var children = getComposedChildren(parent);
var i = children.indexOf(node);
if (i >= 0) {
children.splice(i, 1);
}
}
}
function saveLightChildrenIfNeeded(node) {
if (!node._lightChildren) {
var c$ = Array.prototype.slice.call(node.childNodes);
for (var i = 0, l = c$.length, child; i < l && (child = c$[i]); i++) {
child._lightParent = child._lightParent || node;
}
node._lightChildren = c$;
}
}
function hasInsertionPoint(root) {
return Boolean(root && root._insertionPoints.length);
}
var p = Element.prototype;
var matchesSelector = p.matches || p.matchesSelector || p.mozMatchesSelector || p.msMatchesSelector || p.oMatchesSelector || p.webkitMatchesSelector;
return {
getLightChildren: getLightChildren,
getComposedParent: getComposedParent,
getComposedChildren: getComposedChildren,
removeFromComposedParent: removeFromComposedParent,
saveLightChildrenIfNeeded: saveLightChildrenIfNeeded,
matchesSelector: matchesSelector,
hasInsertionPoint: hasInsertionPoint,
ctor: DomApi,
factory: factory,
hasDomApi: hasDomApi
};
}();
Polymer.Base.extend(Polymer.dom, {
_flushGuard: 0,
_FLUSH_MAX: 100,
_needsTakeRecords: !Polymer.Settings.useNativeCustomElements,
_debouncers: [],
_staticFlushList: [],
_finishDebouncer: null,
flush: function () {
this._flushGuard = 0;
this._prepareFlush();
while (this._debouncers.length && this._flushGuard < this._FLUSH_MAX) {
for (var i = 0; i < this._debouncers.length; i++) {
this._debouncers[i].complete();
}
if (this._finishDebouncer) {
this._finishDebouncer.complete();
}
this._prepareFlush();
this._flushGuard++;
}
if (this._flushGuard >= this._FLUSH_MAX) {
console.warn('Polymer.dom.flush aborted. Flush may not be complete.');
}
},
_prepareFlush: function () {
if (this._needsTakeRecords) {
CustomElements.takeRecords();
}
for (var i = 0; i < this._staticFlushList.length; i++) {
this._staticFlushList[i]();
}
},
addStaticFlush: function (fn) {
this._staticFlushList.push(fn);
},
removeStaticFlush: function (fn) {
var i = this._staticFlushList.indexOf(fn);
if (i >= 0) {
this._staticFlushList.splice(i, 1);
}
},
addDebouncer: function (debouncer) {
this._debouncers.push(debouncer);
this._finishDebouncer = Polymer.Debounce(this._finishDebouncer, this._finishFlush);
},
_finishFlush: function () {
Polymer.dom._debouncers = [];
}
});
Polymer.EventApi = function () {
'use strict';
var DomApi = Polymer.DomApi.ctor;
var Settings = Polymer.Settings;
DomApi.Event = function (event) {
this.event = event;
};
if (Settings.useShadow) {
DomApi.Event.prototype = {
get rootTarget() {
return this.event.path[0];
},
get localTarget() {
return this.event.target;
},
get path() {
return this.event.path;
}
};
} else {
DomApi.Event.prototype = {
get rootTarget() {
return this.event.target;
},
get localTarget() {
var current = this.event.currentTarget;
var currentRoot = current && Polymer.dom(current).getOwnerRoot();
var p$ = this.path;
for (var i = 0; i < p$.length; i++) {
if (Polymer.dom(p$[i]).getOwnerRoot() === currentRoot) {
return p$[i];
}
}
},
get path() {
if (!this.event._path) {
var path = [];
var o = this.rootTarget;
while (o) {
path.push(o);
o = Polymer.dom(o).parentNode || o.host;
}
path.push(window);
this.event._path = path;
}
return this.event._path;
}
};
}
var factory = function (event) {
if (!event.__eventApi) {
event.__eventApi = new DomApi.Event(event);
}
return event.__eventApi;
};
return { factory: factory };
}();
(function () {
'use strict';
var DomApi = Polymer.DomApi.ctor;
Object.defineProperty(DomApi.prototype, 'classList', {
get: function () {
if (!this._classList) {
this._classList = new DomApi.ClassList(this);
}
return this._classList;
},
configurable: true
});
DomApi.ClassList = function (host) {
this.domApi = host;
this.node = host.node;
};
DomApi.ClassList.prototype = {
add: function () {
this.node.classList.add.apply(this.node.classList, arguments);
this.domApi._distributeParent();
},
remove: function () {
this.node.classList.remove.apply(this.node.classList, arguments);
this.domApi._distributeParent();
},
toggle: function () {
this.node.classList.toggle.apply(this.node.classList, arguments);
this.domApi._distributeParent();
},
contains: function () {
return this.node.classList.contains.apply(this.node.classList, arguments);
}
};
}());
(function () {
'use strict';
var DomApi = Polymer.DomApi.ctor;
var Settings = Polymer.Settings;
var hasDomApi = Polymer.DomApi.hasDomApi;
DomApi.EffectiveNodesObserver = function (domApi) {
this.domApi = domApi;
this.node = this.domApi.node;
this._listeners = [];
};
DomApi.EffectiveNodesObserver.prototype = {
addListener: function (callback) {
if (!this._isSetup) {
this._setup();
this._isSetup = true;
}
var listener = {
fn: callback,
_nodes: []
};
this._listeners.push(listener);
this._scheduleNotify();
return listener;
},
removeListener: function (handle) {
var i = this._listeners.indexOf(handle);
if (i >= 0) {
this._listeners.splice(i, 1);
handle._nodes = [];
}
if (!this._hasListeners()) {
this._cleanup();
this._isSetup = false;
}
},
_setup: function () {
this._observeContentElements(this.domApi.childNodes);
},
_cleanup: function () {
this._unobserveContentElements(this.domApi.childNodes);
},
_hasListeners: function () {
return Boolean(this._listeners.length);
},
_scheduleNotify: function () {
if (this._debouncer) {
this._debouncer.stop();
}
this._debouncer = Polymer.Debounce(this._debouncer, this._notify);
this._debouncer.context = this;
Polymer.dom.addDebouncer(this._debouncer);
},
notify: function () {
if (this._hasListeners()) {
this._scheduleNotify();
}
},
_notify: function (mxns) {
this._beforeCallListeners();
this._callListeners();
},
_beforeCallListeners: function () {
this._updateContentElements();
},
_updateContentElements: function () {
this._observeContentElements(this.domApi.childNodes);
},
_observeContentElements: function (elements) {
for (var i = 0, n; i < elements.length && (n = elements[i]); i++) {
if (this._isContent(n)) {
n.__observeNodesMap = n.__observeNodesMap || new WeakMap();
if (!n.__observeNodesMap.has(this)) {
n.__observeNodesMap.set(this, this._observeContent(n));
}
}
}
},
_observeContent: function (content) {
var h = Polymer.dom(content).observeNodes(this._scheduleNotify.bind(this));
h._avoidChangeCalculation = true;
return h;
},
_unobserveContentElements: function (elements) {
for (var i = 0, n, h; i < elements.length && (n = elements[i]); i++) {
if (this._isContent(n)) {
h = n.__observeNodesMap.get(this);
if (h) {
Polymer.dom(n).unobserveNodes(h);
n.__observeNodesMap.delete(this);
}
}
}
},
_isContent: function (node) {
return node.localName === 'content';
},
_callListeners: function () {
var o$ = this._listeners;
var nodes = this._getEffectiveNodes();
for (var i = 0, o; i < o$.length && (o = o$[i]); i++) {
var info = this._generateListenerInfo(o, nodes);
if (info || o._alwaysNotify) {
this._callListener(o, info);
}
}
},
_getEffectiveNodes: function () {
return this.domApi.getEffectiveChildNodes();
},
_generateListenerInfo: function (listener, newNodes) {
if (listener._avoidChangeCalculation) {
return true;
}
var oldNodes = listener._nodes;
var info = {
target: this.node,
addedNodes: [],
removedNodes: []
};
var splices = Polymer.ArraySplice.calculateSplices(newNodes, oldNodes);
for (var i = 0, s; i < splices.length && (s = splices[i]); i++) {
for (var j = 0, n; j < s.removed.length && (n = s.removed[j]); j++) {
info.removedNodes.push(n);
}
}
for (var i = 0, s; i < splices.length && (s = splices[i]); i++) {
for (var j = s.index; j < s.index + s.addedCount; j++) {
info.addedNodes.push(newNodes[j]);
}
}
listener._nodes = newNodes;
if (info.addedNodes.length || info.removedNodes.length) {
return info;
}
},
_callListener: function (listener, info) {
return listener.fn.call(this.node, info);
},
enableShadowAttributeTracking: function () {
}
};
if (Settings.useShadow) {
var baseSetup = DomApi.EffectiveNodesObserver.prototype._setup;
var baseCleanup = DomApi.EffectiveNodesObserver.prototype._cleanup;
var beforeCallListeners = DomApi.EffectiveNodesObserver.prototype._beforeCallListeners;
Polymer.Base.extend(DomApi.EffectiveNodesObserver.prototype, {
_setup: function () {
if (!this._observer) {
var self = this;
this._mutationHandler = function (mxns) {
if (mxns && mxns.length) {
self._scheduleNotify();
}
};
this._observer = new MutationObserver(this._mutationHandler);
this._boundFlush = this._flush.bind(this);
Polymer.dom.addStaticFlush(this._boundFlush);
this._observer.observe(this.node, { childList: true });
}
baseSetup.call(this);
},
_cleanup: function () {
this._observer.disconnect();
this._observer = null;
this._mutationHandler = null;
Polymer.dom.removeStaticFlush(this._boundFlush);
baseCleanup.call(this);
},
_flush: function () {
if (this._observer) {
this._mutationHandler(this._observer.takeRecords());
}
},
enableShadowAttributeTracking: function () {
if (this._observer) {
this._makeContentListenersAlwaysNotify();
this._observer.disconnect();
this._observer.observe(this.node, {
childList: true,
attributes: true,
subtree: true
});
var root = this.domApi.getOwnerRoot();
var host = root && root.host;
if (host && Polymer.dom(host).observer) {
Polymer.dom(host).observer.enableShadowAttributeTracking();
}
}
},
_makeContentListenersAlwaysNotify: function () {
for (var i = 0, h; i < this._listeners.length; i++) {
h = this._listeners[i];
h._alwaysNotify = h._isContentListener;
}
}
});
}
}());
(function () {
'use strict';
var DomApi = Polymer.DomApi.ctor;
var Settings = Polymer.Settings;
DomApi.DistributedNodesObserver = function (domApi) {
DomApi.EffectiveNodesObserver.call(this, domApi);
};
DomApi.DistributedNodesObserver.prototype = Object.create(DomApi.EffectiveNodesObserver.prototype);
Polymer.Base.extend(DomApi.DistributedNodesObserver.prototype, {
_setup: function () {
},
_cleanup: function () {
},
_beforeCallListeners: function () {
},
_getEffectiveNodes: function () {
return this.domApi.getDistributedNodes();
}
});
if (Settings.useShadow) {
Polymer.Base.extend(DomApi.DistributedNodesObserver.prototype, {
_setup: function () {
if (!this._observer) {
var root = this.domApi.getOwnerRoot();
var host = root && root.host;
if (host) {
this._observer = Polymer.dom(host).observeNodes(this._scheduleNotify.bind(this));
this._observer._isContentListener = true;
if (this._hasAttrSelect()) {
Polymer.dom(host).observer.enableShadowAttributeTracking();
}
}
}
},
_hasAttrSelect: function () {
var select = this.node.getAttribute('select');
return select && select.match(/[[.]+/);
},
_cleanup: function () {
var root = this.domApi.getOwnerRoot();
var host = root && root.host;
if (host) {
Polymer.dom(host).unobserveNodes(this._observer);
}
this._observer = null;
}
});
}
}());
(function () {
var hasDomApi = Polymer.DomApi.hasDomApi;
Polymer.Base._addFeature({
_prepShady: function () {
this._useContent = this._useContent || Boolean(this._template);
},
_poolContent: function () {
if (this._useContent) {
saveLightChildrenIfNeeded(this);
}
},
_setupRoot: function () {
if (this._useContent) {
this._createLocalRoot();
if (!this.dataHost) {
upgradeLightChildren(this._lightChildren);
}
}
},
_createLocalRoot: function () {
this.shadyRoot = this.root;
this.shadyRoot._distributionClean = false;
this.shadyRoot._isShadyRoot = true;
this.shadyRoot._dirtyRoots = [];
var i$ = this.shadyRoot._insertionPoints = !this._notes || this._notes._hasContent ? this.shadyRoot.querySelectorAll('content') : [];
saveLightChildrenIfNeeded(this.shadyRoot);
for (var i = 0, c; i < i$.length; i++) {
c = i$[i];
saveLightChildrenIfNeeded(c);
saveLightChildrenIfNeeded(c.parentNode);
}
this.shadyRoot.host = this;
},
get domHost() {
var root = Polymer.dom(this).getOwnerRoot();
return root && root.host;
},
distributeContent: function (updateInsertionPoints) {
if (this.shadyRoot) {
var dom = Polymer.dom(this);
if (updateInsertionPoints) {
dom._updateInsertionPoints(this);
}
var host = getTopDistributingHost(this);
dom._lazyDistribute(host);
}
},
_distributeContent: function () {
if (this._useContent && !this.shadyRoot._distributionClean) {
this._beginDistribute();
this._distributeDirtyRoots();
this._finishDistribute();
}
},
_beginDistribute: function () {
if (this._useContent && hasInsertionPoint(this.shadyRoot)) {
this._resetDistribution();
this._distributePool(this.shadyRoot, this._collectPool());
}
},
_distributeDirtyRoots: function () {
var c$ = this.shadyRoot._dirtyRoots;
for (var i = 0, l = c$.length, c; i < l && (c = c$[i]); i++) {
c._distributeContent();
}
this.shadyRoot._dirtyRoots = [];
},
_finishDistribute: function () {
if (this._useContent) {
this.shadyRoot._distributionClean = true;
if (hasInsertionPoint(this.shadyRoot)) {
this._composeTree();
notifyContentObservers(this.shadyRoot);
} else {
if (!this.shadyRoot._hasDistributed) {
this.textContent = '';
this._composedChildren = null;
this.appendChild(this.shadyRoot);
} else {
var children = this._composeNode(this);
this._updateChildNodes(this, children);
}
}
if (!this.shadyRoot._hasDistributed) {
notifyInitialDistribution(this);
}
this.shadyRoot._hasDistributed = true;
}
},
elementMatches: function (selector, node) {
node = node || this;
return matchesSelector.call(node, selector);
},
_resetDistribution: function () {
var children = getLightChildren(this);
for (var i = 0; i < children.length; i++) {
var child = children[i];
if (child._destinationInsertionPoints) {
child._destinationInsertionPoints = undefined;
}
if (isInsertionPoint(child)) {
clearDistributedDestinationInsertionPoints(child);
}
}
var root = this.shadyRoot;
var p$ = root._insertionPoints;
for (var j = 0; j < p$.length; j++) {
p$[j]._distributedNodes = [];
}
},
_collectPool: function () {
var pool = [];
var children = getLightChildren(this);
for (var i = 0; i < children.length; i++) {
var child = children[i];
if (isInsertionPoint(child)) {
pool.push.apply(pool, child._distributedNodes);
} else {
pool.push(child);
}
}
return pool;
},
_distributePool: function (node, pool) {
var p$ = node._insertionPoints;
for (var i = 0, l = p$.length, p; i < l && (p = p$[i]); i++) {
this._distributeInsertionPoint(p, pool);
maybeRedistributeParent(p, this);
}
},
_distributeInsertionPoint: function (content, pool) {
var anyDistributed = false;
for (var i = 0, l = pool.length, node; i < l; i++) {
node = pool[i];
if (!node) {
continue;
}
if (this._matchesContentSelect(node, content)) {
distributeNodeInto(node, content);
pool[i] = undefined;
anyDistributed = true;
}
}
if (!anyDistributed) {
var children = getLightChildren(content);
for (var j = 0; j < children.length; j++) {
distributeNodeInto(children[j], content);
}
}
},
_composeTree: function () {
this._updateChildNodes(this, this._composeNode(this));
var p$ = this.shadyRoot._insertionPoints;
for (var i = 0, l = p$.length, p, parent; i < l && (p = p$[i]); i++) {
parent = p._lightParent || p.parentNode;
if (!parent._useContent && parent !== this && parent !== this.shadyRoot) {
this._updateChildNodes(parent, this._composeNode(parent));
}
}
},
_composeNode: function (node) {
var children = [];
var c$ = getLightChildren(node.shadyRoot || node);
for (var i = 0; i < c$.length; i++) {
var child = c$[i];
if (isInsertionPoint(child)) {
var distributedNodes = child._distributedNodes;
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;
},
_updateChildNodes: function (container, children) {
var composed = getComposedChildren(container);
var splices = Polymer.ArraySplice.calculateSplices(children, composed);
for (var i = 0, d = 0, s; i < splices.length && (s = splices[i]); i++) {
for (var j = 0, n; j < s.removed.length && (n = s.removed[j]); j++) {
if (getComposedParent(n) === container) {
remove(n);
}
composed.splice(s.index + d, 1);
}
d -= s.addedCount;
}
for (var i = 0, s, next; i < splices.length && (s = splices[i]); i++) {
next = composed[s.index];
for (var j = s.index, n; j < s.index + s.addedCount; j++) {
n = children[j];
insertBefore(container, n, next);
composed.splice(j, 0, n);
}
}
ensureComposedParent(container, children);
},
_matchesContentSelect: function (node, contentElement) {
var select = contentElement.getAttribute('select');
if (!select) {
return true;
}
select = select.trim();
if (!select) {
return true;
}
if (!(node instanceof Element)) {
return false;
}
var validSelectors = /^(:not\()?[*.#[a-zA-Z_|]/;
if (!validSelectors.test(select)) {
return false;
}
return this.elementMatches(select, node);
},
_elementAdd: function () {
},
_elementRemove: function () {
}
});
var saveLightChildrenIfNeeded = Polymer.DomApi.saveLightChildrenIfNeeded;
var getLightChildren = Polymer.DomApi.getLightChildren;
var matchesSelector = Polymer.DomApi.matchesSelector;
var hasInsertionPoint = Polymer.DomApi.hasInsertionPoint;
var getComposedChildren = Polymer.DomApi.getComposedChildren;
var getComposedParent = Polymer.DomApi.getComposedParent;
var removeFromComposedParent = Polymer.DomApi.removeFromComposedParent;
function distributeNodeInto(child, insertionPoint) {
insertionPoint._distributedNodes.push(child);
var points = child._destinationInsertionPoints;
if (!points) {
child._destinationInsertionPoints = [insertionPoint];
} else {
points.push(insertionPoint);
}
}
function clearDistributedDestinationInsertionPoints(content) {
var e$ = content._distributedNodes;
if (e$) {
for (var i = 0; i < e$.length; i++) {
var d = e$[i]._destinationInsertionPoints;
if (d) {
d.splice(d.indexOf(content) + 1, d.length);
}
}
}
}
function maybeRedistributeParent(content, host) {
var parent = content._lightParent;
if (parent && parent.shadyRoot && hasInsertionPoint(parent.shadyRoot) && parent.shadyRoot._distributionClean) {
parent.shadyRoot._distributionClean = false;
host.shadyRoot._dirtyRoots.push(parent);
}
}
function isFinalDestination(insertionPoint, node) {
var points = node._destinationInsertionPoints;
return points && points[points.length - 1] === insertionPoint;
}
function isInsertionPoint(node) {
return node.localName == 'content';
}
var nativeInsertBefore = Element.prototype.insertBefore;
var nativeRemoveChild = Element.prototype.removeChild;
function insertBefore(parentNode, newChild, refChild) {
var newChildParent = getComposedParent(newChild);
if (newChildParent !== parentNode) {
removeFromComposedParent(newChildParent, newChild);
}
remove(newChild);
nativeInsertBefore.call(parentNode, newChild, refChild || null);
newChild._composedParent = parentNode;
}
function remove(node) {
var parentNode = getComposedParent(node);
if (parentNode) {
node._composedParent = null;
nativeRemoveChild.call(parentNode, node);
}
}
function ensureComposedParent(parent, children) {
for (var i = 0, n; i < children.length; i++) {
children[i]._composedParent = parent;
}
}
function getTopDistributingHost(host) {
while (host && hostNeedsRedistribution(host)) {
host = host.domHost;
}
return host;
}
function hostNeedsRedistribution(host) {
var c$ = Polymer.dom(host).children;
for (var i = 0, c; i < c$.length; i++) {
c = c$[i];
if (c.localName === 'content') {
return host.domHost;
}
}
}
function notifyContentObservers(root) {
for (var i = 0, c; i < root._insertionPoints.length; i++) {
c = root._insertionPoints[i];
if (hasDomApi(c)) {
Polymer.dom(c).notifyObserver();
}
}
}
function notifyInitialDistribution(host) {
if (hasDomApi(host)) {
Polymer.dom(host).notifyObserver();
}
}
var needsUpgrade = window.CustomElements && !CustomElements.useNative;
function upgradeLightChildren(children) {
if (needsUpgrade && children) {
for (var i = 0; i < children.length; i++) {
CustomElements.upgrade(children[i]);
}
}
}
}());
if (Polymer.Settings.useShadow) {
Polymer.Base._addFeature({
_poolContent: function () {
},
_beginDistribute: function () {
},
distributeContent: function () {
},
_distributeContent: function () {
},
_finishDistribute: function () {
},
_createLocalRoot: function () {
this.createShadowRoot();
this.shadowRoot.appendChild(this.root);
this.root = this.shadowRoot;
}
});
}
Polymer.DomModule = document.createElement('dom-module');
Polymer.Base._addFeature({
_registerFeatures: function () {
this._prepIs();
this._prepAttributes();
this._prepBehaviors();
this._prepConstructor();
this._prepTemplate();
this._prepShady();
},
_prepBehavior: function (b) {
this._addHostAttributes(b.hostAttributes);
},
_initFeatures: function () {
this._poolContent();
this._pushHost();
this._stampTemplate();
this._popHost();
this._marshalHostAttributes();
this._setupDebouncers();
this._marshalBehaviors();
this._tryReady();
},
_marshalBehavior: function (b) {
}
});</script>