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webcomponents-lite.js
2504 lines
| 77.7 KiB
| application/javascript
|
JavascriptLexer
r727 | /** | ||
* @license | |||
* Copyright (c) 2014 The Polymer Project Authors. All rights reserved. | |||
* This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt | |||
* The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |||
* The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt | |||
* Code distributed by Google as part of the polymer project is also | |||
* subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt | |||
*/ | |||
// @version 0.7.22 | |||
(function() { | |||
window.WebComponents = window.WebComponents || { | |||
flags: {} | |||
}; | |||
var file = "webcomponents-lite.js"; | |||
var script = document.querySelector('script[src*="' + file + '"]'); | |||
var flags = {}; | |||
if (!flags.noOpts) { | |||
location.search.slice(1).split("&").forEach(function(option) { | |||
var parts = option.split("="); | |||
var match; | |||
if (parts[0] && (match = parts[0].match(/wc-(.+)/))) { | |||
flags[match[1]] = parts[1] || true; | |||
} | |||
}); | |||
if (script) { | |||
for (var i = 0, a; a = script.attributes[i]; i++) { | |||
if (a.name !== "src") { | |||
flags[a.name] = a.value || true; | |||
} | |||
} | |||
} | |||
if (flags.log && flags.log.split) { | |||
var parts = flags.log.split(","); | |||
flags.log = {}; | |||
parts.forEach(function(f) { | |||
flags.log[f] = true; | |||
}); | |||
} else { | |||
flags.log = {}; | |||
} | |||
} | |||
if (flags.register) { | |||
window.CustomElements = window.CustomElements || { | |||
flags: {} | |||
}; | |||
window.CustomElements.flags.register = flags.register; | |||
} | |||
WebComponents.flags = flags; | |||
})(); | |||
(function(scope) { | |||
"use strict"; | |||
var hasWorkingUrl = false; | |||
if (!scope.forceJURL) { | |||
try { | |||
var u = new URL("b", "http://a"); | |||
u.pathname = "c%20d"; | |||
hasWorkingUrl = u.href === "http://a/c%20d"; | |||
} catch (e) {} | |||
} | |||
if (hasWorkingUrl) return; | |||
var relative = Object.create(null); | |||
relative["ftp"] = 21; | |||
relative["file"] = 0; | |||
relative["gopher"] = 70; | |||
relative["http"] = 80; | |||
relative["https"] = 443; | |||
relative["ws"] = 80; | |||
relative["wss"] = 443; | |||
var relativePathDotMapping = Object.create(null); | |||
relativePathDotMapping["%2e"] = "."; | |||
relativePathDotMapping[".%2e"] = ".."; | |||
relativePathDotMapping["%2e."] = ".."; | |||
relativePathDotMapping["%2e%2e"] = ".."; | |||
function isRelativeScheme(scheme) { | |||
return relative[scheme] !== undefined; | |||
} | |||
function invalid() { | |||
clear.call(this); | |||
this._isInvalid = true; | |||
} | |||
function IDNAToASCII(h) { | |||
if ("" == h) { | |||
invalid.call(this); | |||
} | |||
return h.toLowerCase(); | |||
} | |||
function percentEscape(c) { | |||
var unicode = c.charCodeAt(0); | |||
if (unicode > 32 && unicode < 127 && [ 34, 35, 60, 62, 63, 96 ].indexOf(unicode) == -1) { | |||
return c; | |||
} | |||
return encodeURIComponent(c); | |||
} | |||
function percentEscapeQuery(c) { | |||
var unicode = c.charCodeAt(0); | |||
if (unicode > 32 && unicode < 127 && [ 34, 35, 60, 62, 96 ].indexOf(unicode) == -1) { | |||
return c; | |||
} | |||
return encodeURIComponent(c); | |||
} | |||
var EOF = undefined, ALPHA = /[a-zA-Z]/, ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/; | |||
function parse(input, stateOverride, base) { | |||
function err(message) { | |||
errors.push(message); | |||
} | |||
var state = stateOverride || "scheme start", cursor = 0, buffer = "", seenAt = false, seenBracket = false, errors = []; | |||
loop: while ((input[cursor - 1] != EOF || cursor == 0) && !this._isInvalid) { | |||
var c = input[cursor]; | |||
switch (state) { | |||
case "scheme start": | |||
if (c && ALPHA.test(c)) { | |||
buffer += c.toLowerCase(); | |||
state = "scheme"; | |||
} else if (!stateOverride) { | |||
buffer = ""; | |||
state = "no scheme"; | |||
continue; | |||
} else { | |||
err("Invalid scheme."); | |||
break loop; | |||
} | |||
break; | |||
case "scheme": | |||
if (c && ALPHANUMERIC.test(c)) { | |||
buffer += c.toLowerCase(); | |||
} else if (":" == c) { | |||
this._scheme = buffer; | |||
buffer = ""; | |||
if (stateOverride) { | |||
break loop; | |||
} | |||
if (isRelativeScheme(this._scheme)) { | |||
this._isRelative = true; | |||
} | |||
if ("file" == this._scheme) { | |||
state = "relative"; | |||
} else if (this._isRelative && base && base._scheme == this._scheme) { | |||
state = "relative or authority"; | |||
} else if (this._isRelative) { | |||
state = "authority first slash"; | |||
} else { | |||
state = "scheme data"; | |||
} | |||
} else if (!stateOverride) { | |||
buffer = ""; | |||
cursor = 0; | |||
state = "no scheme"; | |||
continue; | |||
} else if (EOF == c) { | |||
break loop; | |||
} else { | |||
err("Code point not allowed in scheme: " + c); | |||
break loop; | |||
} | |||
break; | |||
case "scheme data": | |||
if ("?" == c) { | |||
this._query = "?"; | |||
state = "query"; | |||
} else if ("#" == c) { | |||
this._fragment = "#"; | |||
state = "fragment"; | |||
} else { | |||
if (EOF != c && " " != c && "\n" != c && "\r" != c) { | |||
this._schemeData += percentEscape(c); | |||
} | |||
} | |||
break; | |||
case "no scheme": | |||
if (!base || !isRelativeScheme(base._scheme)) { | |||
err("Missing scheme."); | |||
invalid.call(this); | |||
} else { | |||
state = "relative"; | |||
continue; | |||
} | |||
break; | |||
case "relative or authority": | |||
if ("/" == c && "/" == input[cursor + 1]) { | |||
state = "authority ignore slashes"; | |||
} else { | |||
err("Expected /, got: " + c); | |||
state = "relative"; | |||
continue; | |||
} | |||
break; | |||
case "relative": | |||
this._isRelative = true; | |||
if ("file" != this._scheme) this._scheme = base._scheme; | |||
if (EOF == c) { | |||
this._host = base._host; | |||
this._port = base._port; | |||
this._path = base._path.slice(); | |||
this._query = base._query; | |||
this._username = base._username; | |||
this._password = base._password; | |||
break loop; | |||
} else if ("/" == c || "\\" == c) { | |||
if ("\\" == c) err("\\ is an invalid code point."); | |||
state = "relative slash"; | |||
} else if ("?" == c) { | |||
this._host = base._host; | |||
this._port = base._port; | |||
this._path = base._path.slice(); | |||
this._query = "?"; | |||
this._username = base._username; | |||
this._password = base._password; | |||
state = "query"; | |||
} else if ("#" == c) { | |||
this._host = base._host; | |||
this._port = base._port; | |||
this._path = base._path.slice(); | |||
this._query = base._query; | |||
this._fragment = "#"; | |||
this._username = base._username; | |||
this._password = base._password; | |||
state = "fragment"; | |||
} else { | |||
var nextC = input[cursor + 1]; | |||
var nextNextC = input[cursor + 2]; | |||
if ("file" != this._scheme || !ALPHA.test(c) || nextC != ":" && nextC != "|" || EOF != nextNextC && "/" != nextNextC && "\\" != nextNextC && "?" != nextNextC && "#" != nextNextC) { | |||
this._host = base._host; | |||
this._port = base._port; | |||
this._username = base._username; | |||
this._password = base._password; | |||
this._path = base._path.slice(); | |||
this._path.pop(); | |||
} | |||
state = "relative path"; | |||
continue; | |||
} | |||
break; | |||
case "relative slash": | |||
if ("/" == c || "\\" == c) { | |||
if ("\\" == c) { | |||
err("\\ is an invalid code point."); | |||
} | |||
if ("file" == this._scheme) { | |||
state = "file host"; | |||
} else { | |||
state = "authority ignore slashes"; | |||
} | |||
} else { | |||
if ("file" != this._scheme) { | |||
this._host = base._host; | |||
this._port = base._port; | |||
this._username = base._username; | |||
this._password = base._password; | |||
} | |||
state = "relative path"; | |||
continue; | |||
} | |||
break; | |||
case "authority first slash": | |||
if ("/" == c) { | |||
state = "authority second slash"; | |||
} else { | |||
err("Expected '/', got: " + c); | |||
state = "authority ignore slashes"; | |||
continue; | |||
} | |||
break; | |||
case "authority second slash": | |||
state = "authority ignore slashes"; | |||
if ("/" != c) { | |||
err("Expected '/', got: " + c); | |||
continue; | |||
} | |||
break; | |||
case "authority ignore slashes": | |||
if ("/" != c && "\\" != c) { | |||
state = "authority"; | |||
continue; | |||
} else { | |||
err("Expected authority, got: " + c); | |||
} | |||
break; | |||
case "authority": | |||
if ("@" == c) { | |||
if (seenAt) { | |||
err("@ already seen."); | |||
buffer += "%40"; | |||
} | |||
seenAt = true; | |||
for (var i = 0; i < buffer.length; i++) { | |||
var cp = buffer[i]; | |||
if (" " == cp || "\n" == cp || "\r" == cp) { | |||
err("Invalid whitespace in authority."); | |||
continue; | |||
} | |||
if (":" == cp && null === this._password) { | |||
this._password = ""; | |||
continue; | |||
} | |||
var tempC = percentEscape(cp); | |||
null !== this._password ? this._password += tempC : this._username += tempC; | |||
} | |||
buffer = ""; | |||
} else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) { | |||
cursor -= buffer.length; | |||
buffer = ""; | |||
state = "host"; | |||
continue; | |||
} else { | |||
buffer += c; | |||
} | |||
break; | |||
case "file host": | |||
if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) { | |||
if (buffer.length == 2 && ALPHA.test(buffer[0]) && (buffer[1] == ":" || buffer[1] == "|")) { | |||
state = "relative path"; | |||
} else if (buffer.length == 0) { | |||
state = "relative path start"; | |||
} else { | |||
this._host = IDNAToASCII.call(this, buffer); | |||
buffer = ""; | |||
state = "relative path start"; | |||
} | |||
continue; | |||
} else if (" " == c || "\n" == c || "\r" == c) { | |||
err("Invalid whitespace in file host."); | |||
} else { | |||
buffer += c; | |||
} | |||
break; | |||
case "host": | |||
case "hostname": | |||
if (":" == c && !seenBracket) { | |||
this._host = IDNAToASCII.call(this, buffer); | |||
buffer = ""; | |||
state = "port"; | |||
if ("hostname" == stateOverride) { | |||
break loop; | |||
} | |||
} else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) { | |||
this._host = IDNAToASCII.call(this, buffer); | |||
buffer = ""; | |||
state = "relative path start"; | |||
if (stateOverride) { | |||
break loop; | |||
} | |||
continue; | |||
} else if (" " != c && "\n" != c && "\r" != c) { | |||
if ("[" == c) { | |||
seenBracket = true; | |||
} else if ("]" == c) { | |||
seenBracket = false; | |||
} | |||
buffer += c; | |||
} else { | |||
err("Invalid code point in host/hostname: " + c); | |||
} | |||
break; | |||
case "port": | |||
if (/[0-9]/.test(c)) { | |||
buffer += c; | |||
} else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c || stateOverride) { | |||
if ("" != buffer) { | |||
var temp = parseInt(buffer, 10); | |||
if (temp != relative[this._scheme]) { | |||
this._port = temp + ""; | |||
} | |||
buffer = ""; | |||
} | |||
if (stateOverride) { | |||
break loop; | |||
} | |||
state = "relative path start"; | |||
continue; | |||
} else if (" " == c || "\n" == c || "\r" == c) { | |||
err("Invalid code point in port: " + c); | |||
} else { | |||
invalid.call(this); | |||
} | |||
break; | |||
case "relative path start": | |||
if ("\\" == c) err("'\\' not allowed in path."); | |||
state = "relative path"; | |||
if ("/" != c && "\\" != c) { | |||
continue; | |||
} | |||
break; | |||
case "relative path": | |||
if (EOF == c || "/" == c || "\\" == c || !stateOverride && ("?" == c || "#" == c)) { | |||
if ("\\" == c) { | |||
err("\\ not allowed in relative path."); | |||
} | |||
var tmp; | |||
if (tmp = relativePathDotMapping[buffer.toLowerCase()]) { | |||
buffer = tmp; | |||
} | |||
if (".." == buffer) { | |||
this._path.pop(); | |||
if ("/" != c && "\\" != c) { | |||
this._path.push(""); | |||
} | |||
} else if ("." == buffer && "/" != c && "\\" != c) { | |||
this._path.push(""); | |||
} else if ("." != buffer) { | |||
if ("file" == this._scheme && this._path.length == 0 && buffer.length == 2 && ALPHA.test(buffer[0]) && buffer[1] == "|") { | |||
buffer = buffer[0] + ":"; | |||
} | |||
this._path.push(buffer); | |||
} | |||
buffer = ""; | |||
if ("?" == c) { | |||
this._query = "?"; | |||
state = "query"; | |||
} else if ("#" == c) { | |||
this._fragment = "#"; | |||
state = "fragment"; | |||
} | |||
} else if (" " != c && "\n" != c && "\r" != c) { | |||
buffer += percentEscape(c); | |||
} | |||
break; | |||
case "query": | |||
if (!stateOverride && "#" == c) { | |||
this._fragment = "#"; | |||
state = "fragment"; | |||
} else if (EOF != c && " " != c && "\n" != c && "\r" != c) { | |||
this._query += percentEscapeQuery(c); | |||
} | |||
break; | |||
case "fragment": | |||
if (EOF != c && " " != c && "\n" != c && "\r" != c) { | |||
this._fragment += c; | |||
} | |||
break; | |||
} | |||
cursor++; | |||
} | |||
} | |||
function clear() { | |||
this._scheme = ""; | |||
this._schemeData = ""; | |||
this._username = ""; | |||
this._password = null; | |||
this._host = ""; | |||
this._port = ""; | |||
this._path = []; | |||
this._query = ""; | |||
this._fragment = ""; | |||
this._isInvalid = false; | |||
this._isRelative = false; | |||
} | |||
function jURL(url, base) { | |||
if (base !== undefined && !(base instanceof jURL)) base = new jURL(String(base)); | |||
this._url = url; | |||
clear.call(this); | |||
var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, ""); | |||
parse.call(this, input, null, base); | |||
} | |||
jURL.prototype = { | |||
toString: function() { | |||
return this.href; | |||
}, | |||
get href() { | |||
if (this._isInvalid) return this._url; | |||
var authority = ""; | |||
if ("" != this._username || null != this._password) { | |||
authority = this._username + (null != this._password ? ":" + this._password : "") + "@"; | |||
} | |||
return this.protocol + (this._isRelative ? "//" + authority + this.host : "") + this.pathname + this._query + this._fragment; | |||
}, | |||
set href(href) { | |||
clear.call(this); | |||
parse.call(this, href); | |||
}, | |||
get protocol() { | |||
return this._scheme + ":"; | |||
}, | |||
set protocol(protocol) { | |||
if (this._isInvalid) return; | |||
parse.call(this, protocol + ":", "scheme start"); | |||
}, | |||
get host() { | |||
return this._isInvalid ? "" : this._port ? this._host + ":" + this._port : this._host; | |||
}, | |||
set host(host) { | |||
if (this._isInvalid || !this._isRelative) return; | |||
parse.call(this, host, "host"); | |||
}, | |||
get hostname() { | |||
return this._host; | |||
}, | |||
set hostname(hostname) { | |||
if (this._isInvalid || !this._isRelative) return; | |||
parse.call(this, hostname, "hostname"); | |||
}, | |||
get port() { | |||
return this._port; | |||
}, | |||
set port(port) { | |||
if (this._isInvalid || !this._isRelative) return; | |||
parse.call(this, port, "port"); | |||
}, | |||
get pathname() { | |||
return this._isInvalid ? "" : this._isRelative ? "/" + this._path.join("/") : this._schemeData; | |||
}, | |||
set pathname(pathname) { | |||
if (this._isInvalid || !this._isRelative) return; | |||
this._path = []; | |||
parse.call(this, pathname, "relative path start"); | |||
}, | |||
get search() { | |||
return this._isInvalid || !this._query || "?" == this._query ? "" : this._query; | |||
}, | |||
set search(search) { | |||
if (this._isInvalid || !this._isRelative) return; | |||
this._query = "?"; | |||
if ("?" == search[0]) search = search.slice(1); | |||
parse.call(this, search, "query"); | |||
}, | |||
get hash() { | |||
return this._isInvalid || !this._fragment || "#" == this._fragment ? "" : this._fragment; | |||
}, | |||
set hash(hash) { | |||
if (this._isInvalid) return; | |||
this._fragment = "#"; | |||
if ("#" == hash[0]) hash = hash.slice(1); | |||
parse.call(this, hash, "fragment"); | |||
}, | |||
get origin() { | |||
var host; | |||
if (this._isInvalid || !this._scheme) { | |||
return ""; | |||
} | |||
switch (this._scheme) { | |||
case "data": | |||
case "file": | |||
case "javascript": | |||
case "mailto": | |||
return "null"; | |||
} | |||
host = this.host; | |||
if (!host) { | |||
return ""; | |||
} | |||
return this._scheme + "://" + host; | |||
} | |||
}; | |||
var OriginalURL = scope.URL; | |||
if (OriginalURL) { | |||
jURL.createObjectURL = function(blob) { | |||
return OriginalURL.createObjectURL.apply(OriginalURL, arguments); | |||
}; | |||
jURL.revokeObjectURL = function(url) { | |||
OriginalURL.revokeObjectURL(url); | |||
}; | |||
} | |||
scope.URL = jURL; | |||
})(self); | |||
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; | |||
})(); | |||
} | |||
(function(global) { | |||
if (global.JsMutationObserver) { | |||
return; | |||
} | |||
var registrationsTable = new WeakMap(); | |||
var setImmediate; | |||
if (/Trident|Edge/.test(navigator.userAgent)) { | |||
setImmediate = setTimeout; | |||
} else if (window.setImmediate) { | |||
setImmediate = window.setImmediate; | |||
} else { | |||
var setImmediateQueue = []; | |||
var sentinel = String(Math.random()); | |||
window.addEventListener("message", function(e) { | |||
if (e.data === sentinel) { | |||
var queue = setImmediateQueue; | |||
setImmediateQueue = []; | |||
queue.forEach(function(func) { | |||
func(); | |||
}); | |||
} | |||
}); | |||
setImmediate = function(func) { | |||
setImmediateQueue.push(func); | |||
window.postMessage(sentinel, "*"); | |||
}; | |||
} | |||
var isScheduled = false; | |||
var scheduledObservers = []; | |||
function scheduleCallback(observer) { | |||
scheduledObservers.push(observer); | |||
if (!isScheduled) { | |||
isScheduled = true; | |||
setImmediate(dispatchCallbacks); | |||
} | |||
} | |||
function wrapIfNeeded(node) { | |||
return window.ShadowDOMPolyfill && window.ShadowDOMPolyfill.wrapIfNeeded(node) || node; | |||
} | |||
function dispatchCallbacks() { | |||
isScheduled = false; | |||
var observers = scheduledObservers; | |||
scheduledObservers = []; | |||
observers.sort(function(o1, o2) { | |||
return o1.uid_ - o2.uid_; | |||
}); | |||
var anyNonEmpty = false; | |||
observers.forEach(function(observer) { | |||
var queue = observer.takeRecords(); | |||
removeTransientObserversFor(observer); | |||
if (queue.length) { | |||
observer.callback_(queue, observer); | |||
anyNonEmpty = true; | |||
} | |||
}); | |||
if (anyNonEmpty) dispatchCallbacks(); | |||
} | |||
function removeTransientObserversFor(observer) { | |||
observer.nodes_.forEach(function(node) { | |||
var registrations = registrationsTable.get(node); | |||
if (!registrations) return; | |||
registrations.forEach(function(registration) { | |||
if (registration.observer === observer) registration.removeTransientObservers(); | |||
}); | |||
}); | |||
} | |||
function forEachAncestorAndObserverEnqueueRecord(target, callback) { | |||
for (var node = target; node; node = node.parentNode) { | |||
var registrations = registrationsTable.get(node); | |||
if (registrations) { | |||
for (var j = 0; j < registrations.length; j++) { | |||
var registration = registrations[j]; | |||
var options = registration.options; | |||
if (node !== target && !options.subtree) continue; | |||
var record = callback(options); | |||
if (record) registration.enqueue(record); | |||
} | |||
} | |||
} | |||
} | |||
var uidCounter = 0; | |||
function JsMutationObserver(callback) { | |||
this.callback_ = callback; | |||
this.nodes_ = []; | |||
this.records_ = []; | |||
this.uid_ = ++uidCounter; | |||
} | |||
JsMutationObserver.prototype = { | |||
observe: function(target, options) { | |||
target = wrapIfNeeded(target); | |||
if (!options.childList && !options.attributes && !options.characterData || options.attributeOldValue && !options.attributes || options.attributeFilter && options.attributeFilter.length && !options.attributes || options.characterDataOldValue && !options.characterData) { | |||
throw new SyntaxError(); | |||
} | |||
var registrations = registrationsTable.get(target); | |||
if (!registrations) registrationsTable.set(target, registrations = []); | |||
var registration; | |||
for (var i = 0; i < registrations.length; i++) { | |||
if (registrations[i].observer === this) { | |||
registration = registrations[i]; | |||
registration.removeListeners(); | |||
registration.options = options; | |||
break; | |||
} | |||
} | |||
if (!registration) { | |||
registration = new Registration(this, target, options); | |||
registrations.push(registration); | |||
this.nodes_.push(target); | |||
} | |||
registration.addListeners(); | |||
}, | |||
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) { | |||
registration.removeListeners(); | |||
registrations.splice(i, 1); | |||
break; | |||
} | |||
} | |||
}, this); | |||
this.records_ = []; | |||
}, | |||
takeRecords: function() { | |||
var copyOfRecords = this.records_; | |||
this.records_ = []; | |||
return copyOfRecords; | |||
} | |||
}; | |||
function MutationRecord(type, target) { | |||
this.type = type; | |||
this.target = target; | |||
this.addedNodes = []; | |||
this.removedNodes = []; | |||
this.previousSibling = null; | |||
this.nextSibling = null; | |||
this.attributeName = null; | |||
this.attributeNamespace = null; | |||
this.oldValue = null; | |||
} | |||
function copyMutationRecord(original) { | |||
var record = new MutationRecord(original.type, original.target); | |||
record.addedNodes = original.addedNodes.slice(); | |||
record.removedNodes = original.removedNodes.slice(); | |||
record.previousSibling = original.previousSibling; | |||
record.nextSibling = original.nextSibling; | |||
record.attributeName = original.attributeName; | |||
record.attributeNamespace = original.attributeNamespace; | |||
record.oldValue = original.oldValue; | |||
return record; | |||
} | |||
var currentRecord, recordWithOldValue; | |||
function getRecord(type, target) { | |||
return currentRecord = new MutationRecord(type, target); | |||
} | |||
function getRecordWithOldValue(oldValue) { | |||
if (recordWithOldValue) return recordWithOldValue; | |||
recordWithOldValue = copyMutationRecord(currentRecord); | |||
recordWithOldValue.oldValue = oldValue; | |||
return recordWithOldValue; | |||
} | |||
function clearRecords() { | |||
currentRecord = recordWithOldValue = undefined; | |||
} | |||
function recordRepresentsCurrentMutation(record) { | |||
return record === recordWithOldValue || record === currentRecord; | |||
} | |||
function selectRecord(lastRecord, newRecord) { | |||
if (lastRecord === newRecord) return lastRecord; | |||
if (recordWithOldValue && recordRepresentsCurrentMutation(lastRecord)) return recordWithOldValue; | |||
return null; | |||
} | |||
function Registration(observer, target, options) { | |||
this.observer = observer; | |||
this.target = target; | |||
this.options = options; | |||
this.transientObservedNodes = []; | |||
} | |||
Registration.prototype = { | |||
enqueue: function(record) { | |||
var records = this.observer.records_; | |||
var length = records.length; | |||
if (records.length > 0) { | |||
var lastRecord = records[length - 1]; | |||
var recordToReplaceLast = selectRecord(lastRecord, record); | |||
if (recordToReplaceLast) { | |||
records[length - 1] = recordToReplaceLast; | |||
return; | |||
} | |||
} else { | |||
scheduleCallback(this.observer); | |||
} | |||
records[length] = record; | |||
}, | |||
addListeners: function() { | |||
this.addListeners_(this.target); | |||
}, | |||
addListeners_: function(node) { | |||
var options = this.options; | |||
if (options.attributes) node.addEventListener("DOMAttrModified", this, true); | |||
if (options.characterData) node.addEventListener("DOMCharacterDataModified", this, true); | |||
if (options.childList) node.addEventListener("DOMNodeInserted", this, true); | |||
if (options.childList || options.subtree) node.addEventListener("DOMNodeRemoved", this, true); | |||
}, | |||
removeListeners: function() { | |||
this.removeListeners_(this.target); | |||
}, | |||
removeListeners_: function(node) { | |||
var options = this.options; | |||
if (options.attributes) node.removeEventListener("DOMAttrModified", this, true); | |||
if (options.characterData) node.removeEventListener("DOMCharacterDataModified", this, true); | |||
if (options.childList) node.removeEventListener("DOMNodeInserted", this, true); | |||
if (options.childList || options.subtree) node.removeEventListener("DOMNodeRemoved", this, true); | |||
}, | |||
addTransientObserver: function(node) { | |||
if (node === this.target) return; | |||
this.addListeners_(node); | |||
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 = []; | |||
transientObservedNodes.forEach(function(node) { | |||
this.removeListeners_(node); | |||
var registrations = registrationsTable.get(node); | |||
for (var i = 0; i < registrations.length; i++) { | |||
if (registrations[i] === this) { | |||
registrations.splice(i, 1); | |||
break; | |||
} | |||
} | |||
}, this); | |||
}, | |||
handleEvent: function(e) { | |||
e.stopImmediatePropagation(); | |||
switch (e.type) { | |||
case "DOMAttrModified": | |||
var name = e.attrName; | |||
var namespace = e.relatedNode.namespaceURI; | |||
var target = e.target; | |||
var record = new getRecord("attributes", target); | |||
record.attributeName = name; | |||
record.attributeNamespace = namespace; | |||
var oldValue = e.attrChange === MutationEvent.ADDITION ? null : e.prevValue; | |||
forEachAncestorAndObserverEnqueueRecord(target, function(options) { | |||
if (!options.attributes) return; | |||
if (options.attributeFilter && options.attributeFilter.length && options.attributeFilter.indexOf(name) === -1 && options.attributeFilter.indexOf(namespace) === -1) { | |||
return; | |||
} | |||
if (options.attributeOldValue) return getRecordWithOldValue(oldValue); | |||
return record; | |||
}); | |||
break; | |||
case "DOMCharacterDataModified": | |||
var target = e.target; | |||
var record = getRecord("characterData", target); | |||
var oldValue = e.prevValue; | |||
forEachAncestorAndObserverEnqueueRecord(target, function(options) { | |||
if (!options.characterData) return; | |||
if (options.characterDataOldValue) return getRecordWithOldValue(oldValue); | |||
return record; | |||
}); | |||
break; | |||
case "DOMNodeRemoved": | |||
this.addTransientObserver(e.target); | |||
case "DOMNodeInserted": | |||
var changedNode = e.target; | |||
var addedNodes, removedNodes; | |||
if (e.type === "DOMNodeInserted") { | |||
addedNodes = [ changedNode ]; | |||
removedNodes = []; | |||
} else { | |||
addedNodes = []; | |||
removedNodes = [ changedNode ]; | |||
} | |||
var previousSibling = changedNode.previousSibling; | |||
var nextSibling = changedNode.nextSibling; | |||
var record = getRecord("childList", e.target.parentNode); | |||
record.addedNodes = addedNodes; | |||
record.removedNodes = removedNodes; | |||
record.previousSibling = previousSibling; | |||
record.nextSibling = nextSibling; | |||
forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) { | |||
if (!options.childList) return; | |||
return record; | |||
}); | |||
} | |||
clearRecords(); | |||
} | |||
}; | |||
global.JsMutationObserver = JsMutationObserver; | |||
if (!global.MutationObserver) { | |||
global.MutationObserver = JsMutationObserver; | |||
JsMutationObserver._isPolyfilled = true; | |||
} | |||
})(self); | |||
(function() { | |||
var needsTemplate = typeof HTMLTemplateElement === "undefined"; | |||
if (/Trident/.test(navigator.userAgent)) { | |||
(function() { | |||
var importNode = document.importNode; | |||
document.importNode = function() { | |||
var n = importNode.apply(document, arguments); | |||
if (n.nodeType === Node.DOCUMENT_FRAGMENT_NODE) { | |||
var f = document.createDocumentFragment(); | |||
f.appendChild(n); | |||
return f; | |||
} else { | |||
return n; | |||
} | |||
}; | |||
})(); | |||
} | |||
var needsCloning = function() { | |||
if (!needsTemplate) { | |||
var t = document.createElement("template"); | |||
var t2 = document.createElement("template"); | |||
t2.content.appendChild(document.createElement("div")); | |||
t.content.appendChild(t2); | |||
var clone = t.cloneNode(true); | |||
return clone.content.childNodes.length === 0 || clone.content.firstChild.content.childNodes.length === 0; | |||
} | |||
}(); | |||
var TEMPLATE_TAG = "template"; | |||
var TemplateImpl = function() {}; | |||
if (needsTemplate) { | |||
var contentDoc = document.implementation.createHTMLDocument("template"); | |||
var canDecorate = true; | |||
var templateStyle = document.createElement("style"); | |||
templateStyle.textContent = TEMPLATE_TAG + "{display:none;}"; | |||
var head = document.head; | |||
head.insertBefore(templateStyle, head.firstElementChild); | |||
TemplateImpl.prototype = Object.create(HTMLElement.prototype); | |||
TemplateImpl.decorate = function(template) { | |||
if (template.content) { | |||
return; | |||
} | |||
template.content = contentDoc.createDocumentFragment(); | |||
var child; | |||
while (child = template.firstChild) { | |||
template.content.appendChild(child); | |||
} | |||
template.cloneNode = function(deep) { | |||
return TemplateImpl.cloneNode(this, deep); | |||
}; | |||
if (canDecorate) { | |||
try { | |||
Object.defineProperty(template, "innerHTML", { | |||
get: function() { | |||
var o = ""; | |||
for (var e = this.content.firstChild; e; e = e.nextSibling) { | |||
o += e.outerHTML || escapeData(e.data); | |||
} | |||
return o; | |||
}, | |||
set: function(text) { | |||
contentDoc.body.innerHTML = text; | |||
TemplateImpl.bootstrap(contentDoc); | |||
while (this.content.firstChild) { | |||
this.content.removeChild(this.content.firstChild); | |||
} | |||
while (contentDoc.body.firstChild) { | |||
this.content.appendChild(contentDoc.body.firstChild); | |||
} | |||
}, | |||
configurable: true | |||
}); | |||
} catch (err) { | |||
canDecorate = false; | |||
} | |||
} | |||
TemplateImpl.bootstrap(template.content); | |||
}; | |||
TemplateImpl.bootstrap = function(doc) { | |||
var templates = doc.querySelectorAll(TEMPLATE_TAG); | |||
for (var i = 0, l = templates.length, t; i < l && (t = templates[i]); i++) { | |||
TemplateImpl.decorate(t); | |||
} | |||
}; | |||
document.addEventListener("DOMContentLoaded", function() { | |||
TemplateImpl.bootstrap(document); | |||
}); | |||
var createElement = document.createElement; | |||
document.createElement = function() { | |||
"use strict"; | |||
var el = createElement.apply(document, arguments); | |||
if (el.localName === "template") { | |||
TemplateImpl.decorate(el); | |||
} | |||
return el; | |||
}; | |||
var escapeDataRegExp = /[&\u00A0<>]/g; | |||
function escapeReplace(c) { | |||
switch (c) { | |||
case "&": | |||
return "&"; | |||
case "<": | |||
return "<"; | |||
case ">": | |||
return ">"; | |||
case " ": | |||
return " "; | |||
} | |||
} | |||
function escapeData(s) { | |||
return s.replace(escapeDataRegExp, escapeReplace); | |||
} | |||
} | |||
if (needsTemplate || needsCloning) { | |||
var nativeCloneNode = Node.prototype.cloneNode; | |||
TemplateImpl.cloneNode = function(template, deep) { | |||
var clone = nativeCloneNode.call(template, false); | |||
if (this.decorate) { | |||
this.decorate(clone); | |||
} | |||
if (deep) { | |||
clone.content.appendChild(nativeCloneNode.call(template.content, true)); | |||
this.fixClonedDom(clone.content, template.content); | |||
} | |||
return clone; | |||
}; | |||
TemplateImpl.fixClonedDom = function(clone, source) { | |||
if (!source.querySelectorAll) return; | |||
var s$ = source.querySelectorAll(TEMPLATE_TAG); | |||
var t$ = clone.querySelectorAll(TEMPLATE_TAG); | |||
for (var i = 0, l = t$.length, t, s; i < l; i++) { | |||
s = s$[i]; | |||
t = t$[i]; | |||
if (this.decorate) { | |||
this.decorate(s); | |||
} | |||
t.parentNode.replaceChild(s.cloneNode(true), t); | |||
} | |||
}; | |||
var originalImportNode = document.importNode; | |||
Node.prototype.cloneNode = function(deep) { | |||
var dom = nativeCloneNode.call(this, deep); | |||
if (deep) { | |||
TemplateImpl.fixClonedDom(dom, this); | |||
} | |||
return dom; | |||
}; | |||
document.importNode = function(element, deep) { | |||
if (element.localName === TEMPLATE_TAG) { | |||
return TemplateImpl.cloneNode(element, deep); | |||
} else { | |||
var dom = originalImportNode.call(document, element, deep); | |||
if (deep) { | |||
TemplateImpl.fixClonedDom(dom, element); | |||
} | |||
return dom; | |||
} | |||
}; | |||
if (needsCloning) { | |||
HTMLTemplateElement.prototype.cloneNode = function(deep) { | |||
return TemplateImpl.cloneNode(this, deep); | |||
}; | |||
} | |||
} | |||
if (needsTemplate) { | |||
window.HTMLTemplateElement = TemplateImpl; | |||
} | |||
})(); | |||
(function(scope) { | |||
"use strict"; | |||
if (!window.performance) { | |||
var start = Date.now(); | |||
window.performance = { | |||
now: function() { | |||
return Date.now() - start; | |||
} | |||
}; | |||
} | |||
if (!window.requestAnimationFrame) { | |||
window.requestAnimationFrame = function() { | |||
var nativeRaf = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame; | |||
return nativeRaf ? function(callback) { | |||
return nativeRaf(function() { | |||
callback(performance.now()); | |||
}); | |||
} : function(callback) { | |||
return window.setTimeout(callback, 1e3 / 60); | |||
}; | |||
}(); | |||
} | |||
if (!window.cancelAnimationFrame) { | |||
window.cancelAnimationFrame = function() { | |||
return window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || function(id) { | |||
clearTimeout(id); | |||
}; | |||
}(); | |||
} | |||
var workingDefaultPrevented = function() { | |||
var e = document.createEvent("Event"); | |||
e.initEvent("foo", true, true); | |||
e.preventDefault(); | |||
return e.defaultPrevented; | |||
}(); | |||
if (!workingDefaultPrevented) { | |||
var origPreventDefault = Event.prototype.preventDefault; | |||
Event.prototype.preventDefault = function() { | |||
if (!this.cancelable) { | |||
return; | |||
} | |||
origPreventDefault.call(this); | |||
Object.defineProperty(this, "defaultPrevented", { | |||
get: function() { | |||
return true; | |||
}, | |||
configurable: true | |||
}); | |||
}; | |||
} | |||
var isIE = /Trident/.test(navigator.userAgent); | |||
if (!window.CustomEvent || isIE && typeof window.CustomEvent !== "function") { | |||
window.CustomEvent = function(inType, params) { | |||
params = params || {}; | |||
var e = document.createEvent("CustomEvent"); | |||
e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail); | |||
return e; | |||
}; | |||
window.CustomEvent.prototype = window.Event.prototype; | |||
} | |||
if (!window.Event || isIE && typeof window.Event !== "function") { | |||
var origEvent = window.Event; | |||
window.Event = function(inType, params) { | |||
params = params || {}; | |||
var e = document.createEvent("Event"); | |||
e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable)); | |||
return e; | |||
}; | |||
window.Event.prototype = origEvent.prototype; | |||
} | |||
})(window.WebComponents); | |||
window.HTMLImports = window.HTMLImports || { | |||
flags: {} | |||
}; | |||
(function(scope) { | |||
var IMPORT_LINK_TYPE = "import"; | |||
var useNative = Boolean(IMPORT_LINK_TYPE in document.createElement("link")); | |||
var hasShadowDOMPolyfill = Boolean(window.ShadowDOMPolyfill); | |||
var wrap = function(node) { | |||
return hasShadowDOMPolyfill ? window.ShadowDOMPolyfill.wrapIfNeeded(node) : node; | |||
}; | |||
var rootDocument = wrap(document); | |||
var currentScriptDescriptor = { | |||
get: function() { | |||
var script = window.HTMLImports.currentScript || document.currentScript || (document.readyState !== "complete" ? document.scripts[document.scripts.length - 1] : null); | |||
return wrap(script); | |||
}, | |||
configurable: true | |||
}; | |||
Object.defineProperty(document, "_currentScript", currentScriptDescriptor); | |||
Object.defineProperty(rootDocument, "_currentScript", currentScriptDescriptor); | |||
var isIE = /Trident/.test(navigator.userAgent); | |||
function whenReady(callback, doc) { | |||
doc = doc || rootDocument; | |||
whenDocumentReady(function() { | |||
watchImportsLoad(callback, doc); | |||
}, doc); | |||
} | |||
var requiredReadyState = isIE ? "complete" : "interactive"; | |||
var READY_EVENT = "readystatechange"; | |||
function isDocumentReady(doc) { | |||
return doc.readyState === "complete" || doc.readyState === requiredReadyState; | |||
} | |||
function whenDocumentReady(callback, doc) { | |||
if (!isDocumentReady(doc)) { | |||
var checkReady = function() { | |||
if (doc.readyState === "complete" || doc.readyState === requiredReadyState) { | |||
doc.removeEventListener(READY_EVENT, checkReady); | |||
whenDocumentReady(callback, doc); | |||
} | |||
}; | |||
doc.addEventListener(READY_EVENT, checkReady); | |||
} else if (callback) { | |||
callback(); | |||
} | |||
} | |||
function markTargetLoaded(event) { | |||
event.target.__loaded = true; | |||
} | |||
function watchImportsLoad(callback, doc) { | |||
var imports = doc.querySelectorAll("link[rel=import]"); | |||
var parsedCount = 0, importCount = imports.length, newImports = [], errorImports = []; | |||
function checkDone() { | |||
if (parsedCount == importCount && callback) { | |||
callback({ | |||
allImports: imports, | |||
loadedImports: newImports, | |||
errorImports: errorImports | |||
}); | |||
} | |||
} | |||
function loadedImport(e) { | |||
markTargetLoaded(e); | |||
newImports.push(this); | |||
parsedCount++; | |||
checkDone(); | |||
} | |||
function errorLoadingImport(e) { | |||
errorImports.push(this); | |||
parsedCount++; | |||
checkDone(); | |||
} | |||
if (importCount) { | |||
for (var i = 0, imp; i < importCount && (imp = imports[i]); i++) { | |||
if (isImportLoaded(imp)) { | |||
newImports.push(this); | |||
parsedCount++; | |||
checkDone(); | |||
} else { | |||
imp.addEventListener("load", loadedImport); | |||
imp.addEventListener("error", errorLoadingImport); | |||
} | |||
} | |||
} else { | |||
checkDone(); | |||
} | |||
} | |||
function isImportLoaded(link) { | |||
return useNative ? link.__loaded || link.import && link.import.readyState !== "loading" : link.__importParsed; | |||
} | |||
if (useNative) { | |||
new MutationObserver(function(mxns) { | |||
for (var i = 0, l = mxns.length, m; i < l && (m = mxns[i]); i++) { | |||
if (m.addedNodes) { | |||
handleImports(m.addedNodes); | |||
} | |||
} | |||
}).observe(document.head, { | |||
childList: true | |||
}); | |||
function handleImports(nodes) { | |||
for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) { | |||
if (isImport(n)) { | |||
handleImport(n); | |||
} | |||
} | |||
} | |||
function isImport(element) { | |||
return element.localName === "link" && element.rel === "import"; | |||
} | |||
function handleImport(element) { | |||
var loaded = element.import; | |||
if (loaded) { | |||
markTargetLoaded({ | |||
target: element | |||
}); | |||
} else { | |||
element.addEventListener("load", markTargetLoaded); | |||
element.addEventListener("error", markTargetLoaded); | |||
} | |||
} | |||
(function() { | |||
if (document.readyState === "loading") { | |||
var imports = document.querySelectorAll("link[rel=import]"); | |||
for (var i = 0, l = imports.length, imp; i < l && (imp = imports[i]); i++) { | |||
handleImport(imp); | |||
} | |||
} | |||
})(); | |||
} | |||
whenReady(function(detail) { | |||
window.HTMLImports.ready = true; | |||
window.HTMLImports.readyTime = new Date().getTime(); | |||
var evt = rootDocument.createEvent("CustomEvent"); | |||
evt.initCustomEvent("HTMLImportsLoaded", true, true, detail); | |||
rootDocument.dispatchEvent(evt); | |||
}); | |||
scope.IMPORT_LINK_TYPE = IMPORT_LINK_TYPE; | |||
scope.useNative = useNative; | |||
scope.rootDocument = rootDocument; | |||
scope.whenReady = whenReady; | |||
scope.isIE = isIE; | |||
})(window.HTMLImports); | |||
(function(scope) { | |||
var modules = []; | |||
var addModule = function(module) { | |||
modules.push(module); | |||
}; | |||
var initializeModules = function() { | |||
modules.forEach(function(module) { | |||
module(scope); | |||
}); | |||
}; | |||
scope.addModule = addModule; | |||
scope.initializeModules = initializeModules; | |||
})(window.HTMLImports); | |||
window.HTMLImports.addModule(function(scope) { | |||
var CSS_URL_REGEXP = /(url\()([^)]*)(\))/g; | |||
var CSS_IMPORT_REGEXP = /(@import[\s]+(?!url\())([^;]*)(;)/g; | |||
var path = { | |||
resolveUrlsInStyle: function(style, linkUrl) { | |||
var doc = style.ownerDocument; | |||
var resolver = doc.createElement("a"); | |||
style.textContent = this.resolveUrlsInCssText(style.textContent, linkUrl, resolver); | |||
return style; | |||
}, | |||
resolveUrlsInCssText: function(cssText, linkUrl, urlObj) { | |||
var r = this.replaceUrls(cssText, urlObj, linkUrl, CSS_URL_REGEXP); | |||
r = this.replaceUrls(r, urlObj, linkUrl, CSS_IMPORT_REGEXP); | |||
return r; | |||
}, | |||
replaceUrls: function(text, urlObj, linkUrl, regexp) { | |||
return text.replace(regexp, function(m, pre, url, post) { | |||
var urlPath = url.replace(/["']/g, ""); | |||
if (linkUrl) { | |||
urlPath = new URL(urlPath, linkUrl).href; | |||
} | |||
urlObj.href = urlPath; | |||
urlPath = urlObj.href; | |||
return pre + "'" + urlPath + "'" + post; | |||
}); | |||
} | |||
}; | |||
scope.path = path; | |||
}); | |||
window.HTMLImports.addModule(function(scope) { | |||
var xhr = { | |||
async: true, | |||
ok: function(request) { | |||
return request.status >= 200 && request.status < 300 || request.status === 304 || request.status === 0; | |||
}, | |||
load: function(url, next, nextContext) { | |||
var request = new XMLHttpRequest(); | |||
if (scope.flags.debug || scope.flags.bust) { | |||
url += "?" + Math.random(); | |||
} | |||
request.open("GET", url, xhr.async); | |||
request.addEventListener("readystatechange", function(e) { | |||
if (request.readyState === 4) { | |||
var redirectedUrl = null; | |||
try { | |||
var locationHeader = request.getResponseHeader("Location"); | |||
if (locationHeader) { | |||
redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader; | |||
} | |||
} catch (e) { | |||
console.error(e.message); | |||
} | |||
next.call(nextContext, !xhr.ok(request) && request, request.response || request.responseText, redirectedUrl); | |||
} | |||
}); | |||
request.send(); | |||
return request; | |||
}, | |||
loadDocument: function(url, next, nextContext) { | |||
this.load(url, next, nextContext).responseType = "document"; | |||
} | |||
}; | |||
scope.xhr = xhr; | |||
}); | |||
window.HTMLImports.addModule(function(scope) { | |||
var xhr = scope.xhr; | |||
var flags = scope.flags; | |||
var Loader = function(onLoad, onComplete) { | |||
this.cache = {}; | |||
this.onload = onLoad; | |||
this.oncomplete = onComplete; | |||
this.inflight = 0; | |||
this.pending = {}; | |||
}; | |||
Loader.prototype = { | |||
addNodes: function(nodes) { | |||
this.inflight += nodes.length; | |||
for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) { | |||
this.require(n); | |||
} | |||
this.checkDone(); | |||
}, | |||
addNode: function(node) { | |||
this.inflight++; | |||
this.require(node); | |||
this.checkDone(); | |||
}, | |||
require: function(elt) { | |||
var url = elt.src || elt.href; | |||
elt.__nodeUrl = url; | |||
if (!this.dedupe(url, elt)) { | |||
this.fetch(url, elt); | |||
} | |||
}, | |||
dedupe: function(url, elt) { | |||
if (this.pending[url]) { | |||
this.pending[url].push(elt); | |||
return true; | |||
} | |||
var resource; | |||
if (this.cache[url]) { | |||
this.onload(url, elt, this.cache[url]); | |||
this.tail(); | |||
return true; | |||
} | |||
this.pending[url] = [ elt ]; | |||
return false; | |||
}, | |||
fetch: function(url, elt) { | |||
flags.load && console.log("fetch", url, elt); | |||
if (!url) { | |||
setTimeout(function() { | |||
this.receive(url, elt, { | |||
error: "href must be specified" | |||
}, null); | |||
}.bind(this), 0); | |||
} else if (url.match(/^data:/)) { | |||
var pieces = url.split(","); | |||
var header = pieces[0]; | |||
var body = pieces[1]; | |||
if (header.indexOf(";base64") > -1) { | |||
body = atob(body); | |||
} else { | |||
body = decodeURIComponent(body); | |||
} | |||
setTimeout(function() { | |||
this.receive(url, elt, null, body); | |||
}.bind(this), 0); | |||
} else { | |||
var receiveXhr = function(err, resource, redirectedUrl) { | |||
this.receive(url, elt, err, resource, redirectedUrl); | |||
}.bind(this); | |||
xhr.load(url, receiveXhr); | |||
} | |||
}, | |||
receive: function(url, elt, err, resource, redirectedUrl) { | |||
this.cache[url] = resource; | |||
var $p = this.pending[url]; | |||
for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) { | |||
this.onload(url, p, resource, err, redirectedUrl); | |||
this.tail(); | |||
} | |||
this.pending[url] = null; | |||
}, | |||
tail: function() { | |||
--this.inflight; | |||
this.checkDone(); | |||
}, | |||
checkDone: function() { | |||
if (!this.inflight) { | |||
this.oncomplete(); | |||
} | |||
} | |||
}; | |||
scope.Loader = Loader; | |||
}); | |||
window.HTMLImports.addModule(function(scope) { | |||
var Observer = function(addCallback) { | |||
this.addCallback = addCallback; | |||
this.mo = new MutationObserver(this.handler.bind(this)); | |||
}; | |||
Observer.prototype = { | |||
handler: function(mutations) { | |||
for (var i = 0, l = mutations.length, m; i < l && (m = mutations[i]); i++) { | |||
if (m.type === "childList" && m.addedNodes.length) { | |||
this.addedNodes(m.addedNodes); | |||
} | |||
} | |||
}, | |||
addedNodes: function(nodes) { | |||
if (this.addCallback) { | |||
this.addCallback(nodes); | |||
} | |||
for (var i = 0, l = nodes.length, n, loading; i < l && (n = nodes[i]); i++) { | |||
if (n.children && n.children.length) { | |||
this.addedNodes(n.children); | |||
} | |||
} | |||
}, | |||
observe: function(root) { | |||
this.mo.observe(root, { | |||
childList: true, | |||
subtree: true | |||
}); | |||
} | |||
}; | |||
scope.Observer = Observer; | |||
}); | |||
window.HTMLImports.addModule(function(scope) { | |||
var path = scope.path; | |||
var rootDocument = scope.rootDocument; | |||
var flags = scope.flags; | |||
var isIE = scope.isIE; | |||
var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE; | |||
var IMPORT_SELECTOR = "link[rel=" + IMPORT_LINK_TYPE + "]"; | |||
var importParser = { | |||
documentSelectors: IMPORT_SELECTOR, | |||
importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]:not([type])", "style:not([type])", "script:not([type])", 'script[type="application/javascript"]', 'script[type="text/javascript"]' ].join(","), | |||
map: { | |||
link: "parseLink", | |||
script: "parseScript", | |||
style: "parseStyle" | |||
}, | |||
dynamicElements: [], | |||
parseNext: function() { | |||
var next = this.nextToParse(); | |||
if (next) { | |||
this.parse(next); | |||
} | |||
}, | |||
parse: function(elt) { | |||
if (this.isParsed(elt)) { | |||
flags.parse && console.log("[%s] is already parsed", elt.localName); | |||
return; | |||
} | |||
var fn = this[this.map[elt.localName]]; | |||
if (fn) { | |||
this.markParsing(elt); | |||
fn.call(this, elt); | |||
} | |||
}, | |||
parseDynamic: function(elt, quiet) { | |||
this.dynamicElements.push(elt); | |||
if (!quiet) { | |||
this.parseNext(); | |||
} | |||
}, | |||
markParsing: function(elt) { | |||
flags.parse && console.log("parsing", elt); | |||
this.parsingElement = elt; | |||
}, | |||
markParsingComplete: function(elt) { | |||
elt.__importParsed = true; | |||
this.markDynamicParsingComplete(elt); | |||
if (elt.__importElement) { | |||
elt.__importElement.__importParsed = true; | |||
this.markDynamicParsingComplete(elt.__importElement); | |||
} | |||
this.parsingElement = null; | |||
flags.parse && console.log("completed", elt); | |||
}, | |||
markDynamicParsingComplete: function(elt) { | |||
var i = this.dynamicElements.indexOf(elt); | |||
if (i >= 0) { | |||
this.dynamicElements.splice(i, 1); | |||
} | |||
}, | |||
parseImport: function(elt) { | |||
elt.import = elt.__doc; | |||
if (window.HTMLImports.__importsParsingHook) { | |||
window.HTMLImports.__importsParsingHook(elt); | |||
} | |||
if (elt.import) { | |||
elt.import.__importParsed = true; | |||
} | |||
this.markParsingComplete(elt); | |||
if (elt.__resource && !elt.__error) { | |||
elt.dispatchEvent(new CustomEvent("load", { | |||
bubbles: false | |||
})); | |||
} else { | |||
elt.dispatchEvent(new CustomEvent("error", { | |||
bubbles: false | |||
})); | |||
} | |||
if (elt.__pending) { | |||
var fn; | |||
while (elt.__pending.length) { | |||
fn = elt.__pending.shift(); | |||
if (fn) { | |||
fn({ | |||
target: elt | |||
}); | |||
} | |||
} | |||
} | |||
this.parseNext(); | |||
}, | |||
parseLink: function(linkElt) { | |||
if (nodeIsImport(linkElt)) { | |||
this.parseImport(linkElt); | |||
} else { | |||
linkElt.href = linkElt.href; | |||
this.parseGeneric(linkElt); | |||
} | |||
}, | |||
parseStyle: function(elt) { | |||
var src = elt; | |||
elt = cloneStyle(elt); | |||
src.__appliedElement = elt; | |||
elt.__importElement = src; | |||
this.parseGeneric(elt); | |||
}, | |||
parseGeneric: function(elt) { | |||
this.trackElement(elt); | |||
this.addElementToDocument(elt); | |||
}, | |||
rootImportForElement: function(elt) { | |||
var n = elt; | |||
while (n.ownerDocument.__importLink) { | |||
n = n.ownerDocument.__importLink; | |||
} | |||
return n; | |||
}, | |||
addElementToDocument: function(elt) { | |||
var port = this.rootImportForElement(elt.__importElement || elt); | |||
port.parentNode.insertBefore(elt, port); | |||
}, | |||
trackElement: function(elt, callback) { | |||
var self = this; | |||
var done = function(e) { | |||
elt.removeEventListener("load", done); | |||
elt.removeEventListener("error", done); | |||
if (callback) { | |||
callback(e); | |||
} | |||
self.markParsingComplete(elt); | |||
self.parseNext(); | |||
}; | |||
elt.addEventListener("load", done); | |||
elt.addEventListener("error", done); | |||
if (isIE && elt.localName === "style") { | |||
var fakeLoad = false; | |||
if (elt.textContent.indexOf("@import") == -1) { | |||
fakeLoad = true; | |||
} else if (elt.sheet) { | |||
fakeLoad = true; | |||
var csr = elt.sheet.cssRules; | |||
var len = csr ? csr.length : 0; | |||
for (var i = 0, r; i < len && (r = csr[i]); i++) { | |||
if (r.type === CSSRule.IMPORT_RULE) { | |||
fakeLoad = fakeLoad && Boolean(r.styleSheet); | |||
} | |||
} | |||
} | |||
if (fakeLoad) { | |||
setTimeout(function() { | |||
elt.dispatchEvent(new CustomEvent("load", { | |||
bubbles: false | |||
})); | |||
}); | |||
} | |||
} | |||
}, | |||
parseScript: function(scriptElt) { | |||
var script = document.createElement("script"); | |||
script.__importElement = scriptElt; | |||
script.src = scriptElt.src ? scriptElt.src : generateScriptDataUrl(scriptElt); | |||
scope.currentScript = scriptElt; | |||
this.trackElement(script, function(e) { | |||
if (script.parentNode) { | |||
script.parentNode.removeChild(script); | |||
} | |||
scope.currentScript = null; | |||
}); | |||
this.addElementToDocument(script); | |||
}, | |||
nextToParse: function() { | |||
this._mayParse = []; | |||
return !this.parsingElement && (this.nextToParseInDoc(rootDocument) || this.nextToParseDynamic()); | |||
}, | |||
nextToParseInDoc: function(doc, link) { | |||
if (doc && this._mayParse.indexOf(doc) < 0) { | |||
this._mayParse.push(doc); | |||
var nodes = doc.querySelectorAll(this.parseSelectorsForNode(doc)); | |||
for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) { | |||
if (!this.isParsed(n)) { | |||
if (this.hasResource(n)) { | |||
return nodeIsImport(n) ? this.nextToParseInDoc(n.__doc, n) : n; | |||
} else { | |||
return; | |||
} | |||
} | |||
} | |||
} | |||
return link; | |||
}, | |||
nextToParseDynamic: function() { | |||
return this.dynamicElements[0]; | |||
}, | |||
parseSelectorsForNode: function(node) { | |||
var doc = node.ownerDocument || node; | |||
return doc === rootDocument ? this.documentSelectors : this.importsSelectors; | |||
}, | |||
isParsed: function(node) { | |||
return node.__importParsed; | |||
}, | |||
needsDynamicParsing: function(elt) { | |||
return this.dynamicElements.indexOf(elt) >= 0; | |||
}, | |||
hasResource: function(node) { | |||
if (nodeIsImport(node) && node.__doc === undefined) { | |||
return false; | |||
} | |||
return true; | |||
} | |||
}; | |||
function nodeIsImport(elt) { | |||
return elt.localName === "link" && elt.rel === IMPORT_LINK_TYPE; | |||
} | |||
function generateScriptDataUrl(script) { | |||
var scriptContent = generateScriptContent(script); | |||
return "data:text/javascript;charset=utf-8," + encodeURIComponent(scriptContent); | |||
} | |||
function generateScriptContent(script) { | |||
return script.textContent + generateSourceMapHint(script); | |||
} | |||
function generateSourceMapHint(script) { | |||
var owner = script.ownerDocument; | |||
owner.__importedScripts = owner.__importedScripts || 0; | |||
var moniker = script.ownerDocument.baseURI; | |||
var num = owner.__importedScripts ? "-" + owner.__importedScripts : ""; | |||
owner.__importedScripts++; | |||
return "\n//# sourceURL=" + moniker + num + ".js\n"; | |||
} | |||
function cloneStyle(style) { | |||
var clone = style.ownerDocument.createElement("style"); | |||
clone.textContent = style.textContent; | |||
path.resolveUrlsInStyle(clone); | |||
return clone; | |||
} | |||
scope.parser = importParser; | |||
scope.IMPORT_SELECTOR = IMPORT_SELECTOR; | |||
}); | |||
window.HTMLImports.addModule(function(scope) { | |||
var flags = scope.flags; | |||
var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE; | |||
var IMPORT_SELECTOR = scope.IMPORT_SELECTOR; | |||
var rootDocument = scope.rootDocument; | |||
var Loader = scope.Loader; | |||
var Observer = scope.Observer; | |||
var parser = scope.parser; | |||
var importer = { | |||
documents: {}, | |||
documentPreloadSelectors: IMPORT_SELECTOR, | |||
importsPreloadSelectors: [ IMPORT_SELECTOR ].join(","), | |||
loadNode: function(node) { | |||
importLoader.addNode(node); | |||
}, | |||
loadSubtree: function(parent) { | |||
var nodes = this.marshalNodes(parent); | |||
importLoader.addNodes(nodes); | |||
}, | |||
marshalNodes: function(parent) { | |||
return parent.querySelectorAll(this.loadSelectorsForNode(parent)); | |||
}, | |||
loadSelectorsForNode: function(node) { | |||
var doc = node.ownerDocument || node; | |||
return doc === rootDocument ? this.documentPreloadSelectors : this.importsPreloadSelectors; | |||
}, | |||
loaded: function(url, elt, resource, err, redirectedUrl) { | |||
flags.load && console.log("loaded", url, elt); | |||
elt.__resource = resource; | |||
elt.__error = err; | |||
if (isImportLink(elt)) { | |||
var doc = this.documents[url]; | |||
if (doc === undefined) { | |||
doc = err ? null : makeDocument(resource, redirectedUrl || url); | |||
if (doc) { | |||
doc.__importLink = elt; | |||
this.bootDocument(doc); | |||
} | |||
this.documents[url] = doc; | |||
} | |||
elt.__doc = doc; | |||
} | |||
parser.parseNext(); | |||
}, | |||
bootDocument: function(doc) { | |||
this.loadSubtree(doc); | |||
this.observer.observe(doc); | |||
parser.parseNext(); | |||
}, | |||
loadedAll: function() { | |||
parser.parseNext(); | |||
} | |||
}; | |||
var importLoader = new Loader(importer.loaded.bind(importer), importer.loadedAll.bind(importer)); | |||
importer.observer = new Observer(); | |||
function isImportLink(elt) { | |||
return isLinkRel(elt, IMPORT_LINK_TYPE); | |||
} | |||
function isLinkRel(elt, rel) { | |||
return elt.localName === "link" && elt.getAttribute("rel") === rel; | |||
} | |||
function hasBaseURIAccessor(doc) { | |||
return !!Object.getOwnPropertyDescriptor(doc, "baseURI"); | |||
} | |||
function makeDocument(resource, url) { | |||
var doc = document.implementation.createHTMLDocument(IMPORT_LINK_TYPE); | |||
doc._URL = url; | |||
var base = doc.createElement("base"); | |||
base.setAttribute("href", url); | |||
if (!doc.baseURI && !hasBaseURIAccessor(doc)) { | |||
Object.defineProperty(doc, "baseURI", { | |||
value: url | |||
}); | |||
} | |||
var meta = doc.createElement("meta"); | |||
meta.setAttribute("charset", "utf-8"); | |||
doc.head.appendChild(meta); | |||
doc.head.appendChild(base); | |||
doc.body.innerHTML = resource; | |||
if (window.HTMLTemplateElement && HTMLTemplateElement.bootstrap) { | |||
HTMLTemplateElement.bootstrap(doc); | |||
} | |||
return doc; | |||
} | |||
if (!document.baseURI) { | |||
var baseURIDescriptor = { | |||
get: function() { | |||
var base = document.querySelector("base"); | |||
return base ? base.href : window.location.href; | |||
}, | |||
configurable: true | |||
}; | |||
Object.defineProperty(document, "baseURI", baseURIDescriptor); | |||
Object.defineProperty(rootDocument, "baseURI", baseURIDescriptor); | |||
} | |||
scope.importer = importer; | |||
scope.importLoader = importLoader; | |||
}); | |||
window.HTMLImports.addModule(function(scope) { | |||
var parser = scope.parser; | |||
var importer = scope.importer; | |||
var dynamic = { | |||
added: function(nodes) { | |||
var owner, parsed, loading; | |||
for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) { | |||
if (!owner) { | |||
owner = n.ownerDocument; | |||
parsed = parser.isParsed(owner); | |||
} | |||
loading = this.shouldLoadNode(n); | |||
if (loading) { | |||
importer.loadNode(n); | |||
} | |||
if (this.shouldParseNode(n) && parsed) { | |||
parser.parseDynamic(n, loading); | |||
} | |||
} | |||
}, | |||
shouldLoadNode: function(node) { | |||
return node.nodeType === 1 && matches.call(node, importer.loadSelectorsForNode(node)); | |||
}, | |||
shouldParseNode: function(node) { | |||
return node.nodeType === 1 && matches.call(node, parser.parseSelectorsForNode(node)); | |||
} | |||
}; | |||
importer.observer.addCallback = dynamic.added.bind(dynamic); | |||
var matches = HTMLElement.prototype.matches || HTMLElement.prototype.matchesSelector || HTMLElement.prototype.webkitMatchesSelector || HTMLElement.prototype.mozMatchesSelector || HTMLElement.prototype.msMatchesSelector; | |||
}); | |||
(function(scope) { | |||
var initializeModules = scope.initializeModules; | |||
var isIE = scope.isIE; | |||
if (scope.useNative) { | |||
return; | |||
} | |||
initializeModules(); | |||
var rootDocument = scope.rootDocument; | |||
function bootstrap() { | |||
window.HTMLImports.importer.bootDocument(rootDocument); | |||
} | |||
if (document.readyState === "complete" || document.readyState === "interactive" && !window.attachEvent) { | |||
bootstrap(); | |||
} else { | |||
document.addEventListener("DOMContentLoaded", bootstrap); | |||
} | |||
})(window.HTMLImports); | |||
window.CustomElements = window.CustomElements || { | |||
flags: {} | |||
}; | |||
(function(scope) { | |||
var flags = scope.flags; | |||
var modules = []; | |||
var addModule = function(module) { | |||
modules.push(module); | |||
}; | |||
var initializeModules = function() { | |||
modules.forEach(function(module) { | |||
module(scope); | |||
}); | |||
}; | |||
scope.addModule = addModule; | |||
scope.initializeModules = initializeModules; | |||
scope.hasNative = Boolean(document.registerElement); | |||
scope.isIE = /Trident/.test(navigator.userAgent); | |||
scope.useNative = !flags.register && scope.hasNative && !window.ShadowDOMPolyfill && (!window.HTMLImports || window.HTMLImports.useNative); | |||
})(window.CustomElements); | |||
window.CustomElements.addModule(function(scope) { | |||
var IMPORT_LINK_TYPE = window.HTMLImports ? window.HTMLImports.IMPORT_LINK_TYPE : "none"; | |||
function forSubtree(node, cb) { | |||
findAllElements(node, function(e) { | |||
if (cb(e)) { | |||
return true; | |||
} | |||
forRoots(e, cb); | |||
}); | |||
forRoots(node, cb); | |||
} | |||
function findAllElements(node, find, data) { | |||
var e = node.firstElementChild; | |||
if (!e) { | |||
e = node.firstChild; | |||
while (e && e.nodeType !== Node.ELEMENT_NODE) { | |||
e = e.nextSibling; | |||
} | |||
} | |||
while (e) { | |||
if (find(e, data) !== true) { | |||
findAllElements(e, find, data); | |||
} | |||
e = e.nextElementSibling; | |||
} | |||
return null; | |||
} | |||
function forRoots(node, cb) { | |||
var root = node.shadowRoot; | |||
while (root) { | |||
forSubtree(root, cb); | |||
root = root.olderShadowRoot; | |||
} | |||
} | |||
function forDocumentTree(doc, cb) { | |||
_forDocumentTree(doc, cb, []); | |||
} | |||
function _forDocumentTree(doc, cb, processingDocuments) { | |||
doc = window.wrap(doc); | |||
if (processingDocuments.indexOf(doc) >= 0) { | |||
return; | |||
} | |||
processingDocuments.push(doc); | |||
var imports = doc.querySelectorAll("link[rel=" + IMPORT_LINK_TYPE + "]"); | |||
for (var i = 0, l = imports.length, n; i < l && (n = imports[i]); i++) { | |||
if (n.import) { | |||
_forDocumentTree(n.import, cb, processingDocuments); | |||
} | |||
} | |||
cb(doc); | |||
} | |||
scope.forDocumentTree = forDocumentTree; | |||
scope.forSubtree = forSubtree; | |||
}); | |||
window.CustomElements.addModule(function(scope) { | |||
var flags = scope.flags; | |||
var forSubtree = scope.forSubtree; | |||
var forDocumentTree = scope.forDocumentTree; | |||
function addedNode(node, isAttached) { | |||
return added(node, isAttached) || addedSubtree(node, isAttached); | |||
} | |||
function added(node, isAttached) { | |||
if (scope.upgrade(node, isAttached)) { | |||
return true; | |||
} | |||
if (isAttached) { | |||
attached(node); | |||
} | |||
} | |||
function addedSubtree(node, isAttached) { | |||
forSubtree(node, function(e) { | |||
if (added(e, isAttached)) { | |||
return true; | |||
} | |||
}); | |||
} | |||
var hasThrottledAttached = window.MutationObserver._isPolyfilled && flags["throttle-attached"]; | |||
scope.hasPolyfillMutations = hasThrottledAttached; | |||
scope.hasThrottledAttached = hasThrottledAttached; | |||
var isPendingMutations = false; | |||
var pendingMutations = []; | |||
function deferMutation(fn) { | |||
pendingMutations.push(fn); | |||
if (!isPendingMutations) { | |||
isPendingMutations = true; | |||
setTimeout(takeMutations); | |||
} | |||
} | |||
function takeMutations() { | |||
isPendingMutations = false; | |||
var $p = pendingMutations; | |||
for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) { | |||
p(); | |||
} | |||
pendingMutations = []; | |||
} | |||
function attached(element) { | |||
if (hasThrottledAttached) { | |||
deferMutation(function() { | |||
_attached(element); | |||
}); | |||
} else { | |||
_attached(element); | |||
} | |||
} | |||
function _attached(element) { | |||
if (element.__upgraded__ && !element.__attached) { | |||
element.__attached = true; | |||
if (element.attachedCallback) { | |||
element.attachedCallback(); | |||
} | |||
} | |||
} | |||
function detachedNode(node) { | |||
detached(node); | |||
forSubtree(node, function(e) { | |||
detached(e); | |||
}); | |||
} | |||
function detached(element) { | |||
if (hasThrottledAttached) { | |||
deferMutation(function() { | |||
_detached(element); | |||
}); | |||
} else { | |||
_detached(element); | |||
} | |||
} | |||
function _detached(element) { | |||
if (element.__upgraded__ && element.__attached) { | |||
element.__attached = false; | |||
if (element.detachedCallback) { | |||
element.detachedCallback(); | |||
} | |||
} | |||
} | |||
function inDocument(element) { | |||
var p = element; | |||
var doc = window.wrap(document); | |||
while (p) { | |||
if (p == doc) { | |||
return true; | |||
} | |||
p = p.parentNode || p.nodeType === Node.DOCUMENT_FRAGMENT_NODE && p.host; | |||
} | |||
} | |||
function watchShadow(node) { | |||
if (node.shadowRoot && !node.shadowRoot.__watched) { | |||
flags.dom && console.log("watching shadow-root for: ", node.localName); | |||
var root = node.shadowRoot; | |||
while (root) { | |||
observe(root); | |||
root = root.olderShadowRoot; | |||
} | |||
} | |||
} | |||
function handler(root, mutations) { | |||
if (flags.dom) { | |||
var mx = mutations[0]; | |||
if (mx && mx.type === "childList" && mx.addedNodes) { | |||
if (mx.addedNodes) { | |||
var d = mx.addedNodes[0]; | |||
while (d && d !== document && !d.host) { | |||
d = d.parentNode; | |||
} | |||
var u = d && (d.URL || d._URL || d.host && d.host.localName) || ""; | |||
u = u.split("/?").shift().split("/").pop(); | |||
} | |||
} | |||
console.group("mutations (%d) [%s]", mutations.length, u || ""); | |||
} | |||
var isAttached = inDocument(root); | |||
mutations.forEach(function(mx) { | |||
if (mx.type === "childList") { | |||
forEach(mx.addedNodes, function(n) { | |||
if (!n.localName) { | |||
return; | |||
} | |||
addedNode(n, isAttached); | |||
}); | |||
forEach(mx.removedNodes, function(n) { | |||
if (!n.localName) { | |||
return; | |||
} | |||
detachedNode(n); | |||
}); | |||
} | |||
}); | |||
flags.dom && console.groupEnd(); | |||
} | |||
function takeRecords(node) { | |||
node = window.wrap(node); | |||
if (!node) { | |||
node = window.wrap(document); | |||
} | |||
while (node.parentNode) { | |||
node = node.parentNode; | |||
} | |||
var observer = node.__observer; | |||
if (observer) { | |||
handler(node, observer.takeRecords()); | |||
takeMutations(); | |||
} | |||
} | |||
var forEach = Array.prototype.forEach.call.bind(Array.prototype.forEach); | |||
function observe(inRoot) { | |||
if (inRoot.__observer) { | |||
return; | |||
} | |||
var observer = new MutationObserver(handler.bind(this, inRoot)); | |||
observer.observe(inRoot, { | |||
childList: true, | |||
subtree: true | |||
}); | |||
inRoot.__observer = observer; | |||
} | |||
function upgradeDocument(doc) { | |||
doc = window.wrap(doc); | |||
flags.dom && console.group("upgradeDocument: ", doc.baseURI.split("/").pop()); | |||
var isMainDocument = doc === window.wrap(document); | |||
addedNode(doc, isMainDocument); | |||
observe(doc); | |||
flags.dom && console.groupEnd(); | |||
} | |||
function upgradeDocumentTree(doc) { | |||
forDocumentTree(doc, upgradeDocument); | |||
} | |||
var originalCreateShadowRoot = Element.prototype.createShadowRoot; | |||
if (originalCreateShadowRoot) { | |||
Element.prototype.createShadowRoot = function() { | |||
var root = originalCreateShadowRoot.call(this); | |||
window.CustomElements.watchShadow(this); | |||
return root; | |||
}; | |||
} | |||
scope.watchShadow = watchShadow; | |||
scope.upgradeDocumentTree = upgradeDocumentTree; | |||
scope.upgradeDocument = upgradeDocument; | |||
scope.upgradeSubtree = addedSubtree; | |||
scope.upgradeAll = addedNode; | |||
scope.attached = attached; | |||
scope.takeRecords = takeRecords; | |||
}); | |||
window.CustomElements.addModule(function(scope) { | |||
var flags = scope.flags; | |||
function upgrade(node, isAttached) { | |||
if (node.localName === "template") { | |||
if (window.HTMLTemplateElement && HTMLTemplateElement.decorate) { | |||
HTMLTemplateElement.decorate(node); | |||
} | |||
} | |||
if (!node.__upgraded__ && node.nodeType === Node.ELEMENT_NODE) { | |||
var is = node.getAttribute("is"); | |||
var definition = scope.getRegisteredDefinition(node.localName) || scope.getRegisteredDefinition(is); | |||
if (definition) { | |||
if (is && definition.tag == node.localName || !is && !definition.extends) { | |||
return upgradeWithDefinition(node, definition, isAttached); | |||
} | |||
} | |||
} | |||
} | |||
function upgradeWithDefinition(element, definition, isAttached) { | |||
flags.upgrade && console.group("upgrade:", element.localName); | |||
if (definition.is) { | |||
element.setAttribute("is", definition.is); | |||
} | |||
implementPrototype(element, definition); | |||
element.__upgraded__ = true; | |||
created(element); | |||
if (isAttached) { | |||
scope.attached(element); | |||
} | |||
scope.upgradeSubtree(element, isAttached); | |||
flags.upgrade && console.groupEnd(); | |||
return element; | |||
} | |||
function implementPrototype(element, definition) { | |||
if (Object.__proto__) { | |||
element.__proto__ = definition.prototype; | |||
} else { | |||
customMixin(element, definition.prototype, definition.native); | |||
element.__proto__ = definition.prototype; | |||
} | |||
} | |||
function customMixin(inTarget, inSrc, inNative) { | |||
var used = {}; | |||
var p = inSrc; | |||
while (p !== inNative && p !== HTMLElement.prototype) { | |||
var keys = Object.getOwnPropertyNames(p); | |||
for (var i = 0, k; k = keys[i]; i++) { | |||
if (!used[k]) { | |||
Object.defineProperty(inTarget, k, Object.getOwnPropertyDescriptor(p, k)); | |||
used[k] = 1; | |||
} | |||
} | |||
p = Object.getPrototypeOf(p); | |||
} | |||
} | |||
function created(element) { | |||
if (element.createdCallback) { | |||
element.createdCallback(); | |||
} | |||
} | |||
scope.upgrade = upgrade; | |||
scope.upgradeWithDefinition = upgradeWithDefinition; | |||
scope.implementPrototype = implementPrototype; | |||
}); | |||
window.CustomElements.addModule(function(scope) { | |||
var isIE = scope.isIE; | |||
var upgradeDocumentTree = scope.upgradeDocumentTree; | |||
var upgradeAll = scope.upgradeAll; | |||
var upgradeWithDefinition = scope.upgradeWithDefinition; | |||
var implementPrototype = scope.implementPrototype; | |||
var useNative = scope.useNative; | |||
function register(name, options) { | |||
var definition = options || {}; | |||
if (!name) { | |||
throw new Error("document.registerElement: first argument `name` must not be empty"); | |||
} | |||
if (name.indexOf("-") < 0) { | |||
throw new Error("document.registerElement: first argument ('name') must contain a dash ('-'). Argument provided was '" + String(name) + "'."); | |||
} | |||
if (isReservedTag(name)) { | |||
throw new Error("Failed to execute 'registerElement' on 'Document': Registration failed for type '" + String(name) + "'. The type name is invalid."); | |||
} | |||
if (getRegisteredDefinition(name)) { | |||
throw new Error("DuplicateDefinitionError: a type with name '" + String(name) + "' is already registered"); | |||
} | |||
if (!definition.prototype) { | |||
definition.prototype = Object.create(HTMLElement.prototype); | |||
} | |||
definition.__name = name.toLowerCase(); | |||
if (definition.extends) { | |||
definition.extends = definition.extends.toLowerCase(); | |||
} | |||
definition.lifecycle = definition.lifecycle || {}; | |||
definition.ancestry = ancestry(definition.extends); | |||
resolveTagName(definition); | |||
resolvePrototypeChain(definition); | |||
overrideAttributeApi(definition.prototype); | |||
registerDefinition(definition.__name, definition); | |||
definition.ctor = generateConstructor(definition); | |||
definition.ctor.prototype = definition.prototype; | |||
definition.prototype.constructor = definition.ctor; | |||
if (scope.ready) { | |||
upgradeDocumentTree(document); | |||
} | |||
return definition.ctor; | |||
} | |||
function overrideAttributeApi(prototype) { | |||
if (prototype.setAttribute._polyfilled) { | |||
return; | |||
} | |||
var setAttribute = prototype.setAttribute; | |||
prototype.setAttribute = function(name, value) { | |||
changeAttribute.call(this, name, value, setAttribute); | |||
}; | |||
var removeAttribute = prototype.removeAttribute; | |||
prototype.removeAttribute = function(name) { | |||
changeAttribute.call(this, name, null, removeAttribute); | |||
}; | |||
prototype.setAttribute._polyfilled = true; | |||
} | |||
function changeAttribute(name, value, operation) { | |||
name = name.toLowerCase(); | |||
var oldValue = this.getAttribute(name); | |||
operation.apply(this, arguments); | |||
var newValue = this.getAttribute(name); | |||
if (this.attributeChangedCallback && newValue !== oldValue) { | |||
this.attributeChangedCallback(name, oldValue, newValue); | |||
} | |||
} | |||
function isReservedTag(name) { | |||
for (var i = 0; i < reservedTagList.length; i++) { | |||
if (name === reservedTagList[i]) { | |||
return true; | |||
} | |||
} | |||
} | |||
var reservedTagList = [ "annotation-xml", "color-profile", "font-face", "font-face-src", "font-face-uri", "font-face-format", "font-face-name", "missing-glyph" ]; | |||
function ancestry(extnds) { | |||
var extendee = getRegisteredDefinition(extnds); | |||
if (extendee) { | |||
return ancestry(extendee.extends).concat([ extendee ]); | |||
} | |||
return []; | |||
} | |||
function resolveTagName(definition) { | |||
var baseTag = definition.extends; | |||
for (var i = 0, a; a = definition.ancestry[i]; i++) { | |||
baseTag = a.is && a.tag; | |||
} | |||
definition.tag = baseTag || definition.__name; | |||
if (baseTag) { | |||
definition.is = definition.__name; | |||
} | |||
} | |||
function resolvePrototypeChain(definition) { | |||
if (!Object.__proto__) { | |||
var nativePrototype = HTMLElement.prototype; | |||
if (definition.is) { | |||
var inst = document.createElement(definition.tag); | |||
nativePrototype = Object.getPrototypeOf(inst); | |||
} | |||
var proto = definition.prototype, ancestor; | |||
var foundPrototype = false; | |||
while (proto) { | |||
if (proto == nativePrototype) { | |||
foundPrototype = true; | |||
} | |||
ancestor = Object.getPrototypeOf(proto); | |||
if (ancestor) { | |||
proto.__proto__ = ancestor; | |||
} | |||
proto = ancestor; | |||
} | |||
if (!foundPrototype) { | |||
console.warn(definition.tag + " prototype not found in prototype chain for " + definition.is); | |||
} | |||
definition.native = nativePrototype; | |||
} | |||
} | |||
function instantiate(definition) { | |||
return upgradeWithDefinition(domCreateElement(definition.tag), definition); | |||
} | |||
var registry = {}; | |||
function getRegisteredDefinition(name) { | |||
if (name) { | |||
return registry[name.toLowerCase()]; | |||
} | |||
} | |||
function registerDefinition(name, definition) { | |||
registry[name] = definition; | |||
} | |||
function generateConstructor(definition) { | |||
return function() { | |||
return instantiate(definition); | |||
}; | |||
} | |||
var HTML_NAMESPACE = "http://www.w3.org/1999/xhtml"; | |||
function createElementNS(namespace, tag, typeExtension) { | |||
if (namespace === HTML_NAMESPACE) { | |||
return createElement(tag, typeExtension); | |||
} else { | |||
return domCreateElementNS(namespace, tag); | |||
} | |||
} | |||
function createElement(tag, typeExtension) { | |||
if (tag) { | |||
tag = tag.toLowerCase(); | |||
} | |||
if (typeExtension) { | |||
typeExtension = typeExtension.toLowerCase(); | |||
} | |||
var definition = getRegisteredDefinition(typeExtension || tag); | |||
if (definition) { | |||
if (tag == definition.tag && typeExtension == definition.is) { | |||
return new definition.ctor(); | |||
} | |||
if (!typeExtension && !definition.is) { | |||
return new definition.ctor(); | |||
} | |||
} | |||
var element; | |||
if (typeExtension) { | |||
element = createElement(tag); | |||
element.setAttribute("is", typeExtension); | |||
return element; | |||
} | |||
element = domCreateElement(tag); | |||
if (tag.indexOf("-") >= 0) { | |||
implementPrototype(element, HTMLElement); | |||
} | |||
return element; | |||
} | |||
var domCreateElement = document.createElement.bind(document); | |||
var domCreateElementNS = document.createElementNS.bind(document); | |||
var isInstance; | |||
if (!Object.__proto__ && !useNative) { | |||
isInstance = function(obj, ctor) { | |||
if (obj instanceof ctor) { | |||
return true; | |||
} | |||
var p = obj; | |||
while (p) { | |||
if (p === ctor.prototype) { | |||
return true; | |||
} | |||
p = p.__proto__; | |||
} | |||
return false; | |||
}; | |||
} else { | |||
isInstance = function(obj, base) { | |||
return obj instanceof base; | |||
}; | |||
} | |||
function wrapDomMethodToForceUpgrade(obj, methodName) { | |||
var orig = obj[methodName]; | |||
obj[methodName] = function() { | |||
var n = orig.apply(this, arguments); | |||
upgradeAll(n); | |||
return n; | |||
}; | |||
} | |||
wrapDomMethodToForceUpgrade(Node.prototype, "cloneNode"); | |||
wrapDomMethodToForceUpgrade(document, "importNode"); | |||
document.registerElement = register; | |||
document.createElement = createElement; | |||
document.createElementNS = createElementNS; | |||
scope.registry = registry; | |||
scope.instanceof = isInstance; | |||
scope.reservedTagList = reservedTagList; | |||
scope.getRegisteredDefinition = getRegisteredDefinition; | |||
document.register = document.registerElement; | |||
}); | |||
(function(scope) { | |||
var useNative = scope.useNative; | |||
var initializeModules = scope.initializeModules; | |||
var isIE = scope.isIE; | |||
if (useNative) { | |||
var nop = function() {}; | |||
scope.watchShadow = nop; | |||
scope.upgrade = nop; | |||
scope.upgradeAll = nop; | |||
scope.upgradeDocumentTree = nop; | |||
scope.upgradeSubtree = nop; | |||
scope.takeRecords = nop; | |||
scope.instanceof = function(obj, base) { | |||
return obj instanceof base; | |||
}; | |||
} else { | |||
initializeModules(); | |||
} | |||
var upgradeDocumentTree = scope.upgradeDocumentTree; | |||
var upgradeDocument = scope.upgradeDocument; | |||
if (!window.wrap) { | |||
if (window.ShadowDOMPolyfill) { | |||
window.wrap = window.ShadowDOMPolyfill.wrapIfNeeded; | |||
window.unwrap = window.ShadowDOMPolyfill.unwrapIfNeeded; | |||
} else { | |||
window.wrap = window.unwrap = function(node) { | |||
return node; | |||
}; | |||
} | |||
} | |||
if (window.HTMLImports) { | |||
window.HTMLImports.__importsParsingHook = function(elt) { | |||
if (elt.import) { | |||
upgradeDocument(wrap(elt.import)); | |||
} | |||
}; | |||
} | |||
function bootstrap() { | |||
upgradeDocumentTree(window.wrap(document)); | |||
window.CustomElements.ready = true; | |||
var requestAnimationFrame = window.requestAnimationFrame || function(f) { | |||
setTimeout(f, 16); | |||
}; | |||
requestAnimationFrame(function() { | |||
setTimeout(function() { | |||
window.CustomElements.readyTime = Date.now(); | |||
if (window.HTMLImports) { | |||
window.CustomElements.elapsed = window.CustomElements.readyTime - window.HTMLImports.readyTime; | |||
} | |||
document.dispatchEvent(new CustomEvent("WebComponentsReady", { | |||
bubbles: true | |||
})); | |||
}); | |||
}); | |||
} | |||
if (document.readyState === "complete" || scope.flags.eager) { | |||
bootstrap(); | |||
} else if (document.readyState === "interactive" && !window.attachEvent && (!window.HTMLImports || window.HTMLImports.ready)) { | |||
bootstrap(); | |||
} else { | |||
var loadEvent = window.HTMLImports && !window.HTMLImports.ready ? "HTMLImportsLoaded" : "DOMContentLoaded"; | |||
window.addEventListener(loadEvent, bootstrap); | |||
} | |||
})(window.CustomElements); | |||
(function(scope) { | |||
var style = document.createElement("style"); | |||
style.textContent = "" + "body {" + "transition: opacity ease-in 0.2s;" + " } \n" + "body[unresolved] {" + "opacity: 0; display: block; overflow: hidden; position: relative;" + " } \n"; | |||
var head = document.querySelector("head"); | |||
head.insertBefore(style, head.firstChild); | |||
})(window.WebComponents); |