Require user gesture for powerful download operations

chrome/browser/resources/md_downloads/crisper.js

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 function assert(condition,opt_message){if(!condition){var message="Assertion failed";if(opt_message)message=message+": "+opt_message;var error=new Error(message);var global=function(){return this}();if(global.traceAssertionsForTesting)console.warn(error.stack);throw error}return condition}function assertNotReached(opt_message){assert(false,opt_message||"Unreachable code hit")}function assertInstanceof(value,type,opt_message){if(!(value instanceof type)){assertNotReached(opt_message||"Value "+value+" is not a[n] "+(type.name||typeof type))}return value}
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 function PromiseResolver(){this.resolve_;this.reject_;this.promise_=new Promise(function(resolve,reject){this.resolve_=resolve;this.reject_=reject}.bind(this))}PromiseResolver.prototype={get promise(){return this.promise_},set promise(p){assertNotReached()},get resolve(){return this.resolve_},set resolve(r){assertNotReached()},get reject(){return this.reject_},set reject(s){assertNotReached()}};
 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
@@ skipping 13 matching lines @@
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preventDefaultOnPoundLinkClicks(){document.addEventListener("click",function(e){var anchor=findAncestor(e.target,function(el){return el.tagName=="A"});if(anchor&&anchor.getAttribute("href")=="#")e.preventDefault()})}function isRTL(){return document.documentElement.dir=="rtl"}function getRequiredElement(id){return assertInstanceof($(id),HTMLElement,"Missing required element: "+id)}function queryRequiredElement(selectors,opt_context){var element=(opt_context||document).querySelector(selectors);return assertInstanceof(element,HTMLElement,"Missing required element: "+selectors)}["click","auxclick"].forEach(function(eventName){document.addEventListener(eventName,function(e){if(e.button>1)return;if(e.defaultPrevented)return;var eventPath=e.path;var anchor=null;if(eventPath){for(var i=0;i<eventPath.length;i++){var element=eventPath[i];if(element.tagName==="A"&&element.href){anchor=element;break}}}var el=e.target;if(!anchor&&el.nodeType==Node.ELEMENT_NODE&&el.webkitMatchesSelector("A, A *")){while(el.tagName!="A"){el=el.parentElement}anchor=el}if(!anchor)return;anchor=anchor;if((anchor.protocol=="file:"||anchor.protocol=="about:")&&(e.button==0||e.button==1)){chrome.send("navigateToUrl",[anchor.href,anchor.target,e.button,e.altKey,e.ctrlKey,e.metaKey,e.shiftKey]);e.preventDefault()}})});function appendParam(url,key,value){var param=encodeURIComponent(key)+"="+encodeURIComponent(value);if(url.indexOf("?")==-1)return url+"?"+param;return url+"&"+param}function createElementWithClassName(type,className){var elm=document.createElement(type);elm.className=className;return elm}function ensureTransitionEndEvent(el,opt_timeOut){if(opt_timeOut===undefined){var style=getComputedStyle(el);opt_timeOut=parseFloat(style.transitionDuration)*1e3;opt_timeOut+=50}var fired=false;el.addEventListener("webkitTransitionEnd",function f(e){el.removeEventListener("webkitTransitionEnd",f);fired=true});window.setTimeout(function(){if(!fired)cr.dispatchSimpleEvent(el,"webkitTransitionEnd",true)},opt_timeOut)}function scrollTopForDocument(doc){return doc.documentElement.scrollTop||doc.body.scrollTop}function setScrollTopForDocument(doc,value){doc.documentElement.scrollTop=doc.body.scrollTop=value}function scrollLeftForDocument(doc){return doc.documentElement.scrollLeft||doc.body.scrollLeft}function setScrollLeftForDocument(doc,value){doc.documentElement.scrollLeft=doc.body.scrollLeft=value}function HTMLEscape(original){return original.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#39;")}function elide(original,maxLength){if(original.length<=maxLength)return original;return original.substring(0,maxLength-1)+"…"}function quoteString(str){return str.replace(/([\\\.\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:])/g,"\\$1")}function listenOnce(target,eventNames,callback){if(!Array.isArray(eventNames))eventNames=eventNames.split(/ +/);var removeAllAndCallCallback=function(event){eventNames.forEach(function(eventName){target.removeEventListener(eventName,removeAllAndCallCallback,false)});return callback(event)};eventNames.forEach(function(eventName){target.addEventListener(eventName,removeAllAndCallCallback,false)})}
 // <if expr="is_ios">
 if(!("key"in KeyboardEvent.prototype)){Object.defineProperty(KeyboardEvent.prototype,"key",{get:function(){if(this.keyCode>=48&&this.keyCode<=57)return String.fromCharCode(this.keyCode);if(this.keyCode>=65&&this.keyCode<=90){var result=String.fromCharCode(this.keyCode).toLowerCase();if(this.shiftKey)result=result.toUpperCase();return result}switch(this.keyCode){case 8:return"Backspace";case 9:return"Tab";case 13:return"Enter";case 16:return"Shift";case 17:return"Control";case 18:return"Alt";case 27:return"Escape";case 32:return" ";case 33:return"PageUp";case 34:return"PageDown";case 35:return"End";case 36:return"Home";case 37:return"ArrowLeft";case 38:return"ArrowUp";case 39:return"ArrowRight";case 40:return"ArrowDown";case 45:return"Insert";case 46:return"Delete";case 91:return"Meta";case 112:return"F1";case 113:return"F2";case 114:return"F3";case 115:return"F4";case 116:return"F5";case 117:return"F6";case 118:return"F7";case 119:return"F8";case 120:return"F9";case 121:return"F10";case 122:return"F11";case 123:return"F12";case 187:return"=";case 189:return"-";case 219:return"[";case 221:return"]"}return"Unidentified"}})}else{window.console.log("KeyboardEvent.Key polyfill not required")}
 // </if>  /* is_ios */
 function importModules(moduleNames){return new Promise(function(resolve){define(moduleNames,function(){resolve(Array.from(arguments))})})}Polymer.IronResizableBehavior={properties:{_parentResizable:{type:Object,observer:"_parentResizableChanged"},_notifyingDescendant:{type:Boolean,value:false}},listeners:{"iron-request-resize-notifications":"_onIronRequestResizeNotifications"},created:function(){this._interestedResizables=[];this._boundNotifyResize=this.notifyResize.bind(this)},attached:function(){this.fire("iron-request-resize-notifications",null,{node:this,bubbles:true,cancelable:true});if(!this._parentResizable){window.addEventListener("resize",this._boundNotifyResize);this.notifyResize()}},detached:function(){if(this._parentResizable){this._parentResizable.stopResizeNotificationsFor(this)}else{window.removeEventListener("resize",this._boundNotifyResize)}this._parentResizable=null},notifyResize:function(){if(!this.isAttached){return}this._interestedResizables.forEach(function(resizable){if(this.resizerShouldNotify(resizable)){this._notifyDescendant(resizable)}},this);this._fireResize()},assignParentResizable:function(parentResizable){this._parentResizable=parentResizable},stopResizeNotificationsFor:function(target){var index=this._interestedResizables.indexOf(target);if(index>-1){this._interestedResizables.splice(index,1);this.unlisten(target,"iron-resize","_onDescendantIronResize")}},resizerShouldNotify:function(element){return true},_onDescendantIronResize:function(event){if(this._notifyingDescendant){event.stopPropagation();return}if(!Polymer.Settings.useShadow){this._fireResize()}},_fireResize:function(){this.fire("iron-resize",null,{node:this,bubbles:false})},_onIronRequestResizeNotifications:function(event){var target=event.path?event.path[0]:event.target;if(target===this){return}if(this._interestedResizables.indexOf(target)===-1){this._interestedResizables.push(target);this.listen(target,"iron-resize","_onDescendantIronResize")}target.assignParentResizable(this);this._notifyDescendant(target);event.stopPropagation()},_parentResizableChanged:function(parentResizable){if(parentResizable){window.removeEventListener("resize",this._boundNotifyResize)}},_notifyDescendant:function(descendant){if(!this.isAttached){return}this._notifyingDescendant=true;descendant.notifyResize();this._notifyingDescendant=false}};(function(){"use strict";var KEY_IDENTIFIER={"U+0008":"backspace","U+0009":"tab","U+001B":"esc","U+0020":"space","U+007F":"del"};var KEY_CODE={8:"backspace",9:"tab",13:"enter",27:"esc",33:"pageup",34:"pagedown",35:"end",36:"home",32:"space",37:"left",38:"up",39:"right",40:"down",46:"del",106:"*"};var MODIFIER_KEYS={shift:"shiftKey",ctrl:"ctrlKey",alt:"altKey",meta:"metaKey"};var KEY_CHAR=/[a-z0-9*]/;var IDENT_CHAR=/U\+/;var ARROW_KEY=/^arrow/;var SPACE_KEY=/^space(bar)?/;var ESC_KEY=/^escape$/;function transformKey(key,noSpecialChars){var validKey="";if(key){var lKey=key.toLowerCase();if(lKey===" "||SPACE_KEY.test(lKey)){validKey="space"}else if(ESC_KEY.test(lKey)){validKey="esc"}else if(lKey.length==1){if(!noSpecialChars||KEY_CHAR.test(lKey)){validKey=lKey}}else if(ARROW_KEY.test(lKey)){validKey=lKey.replace("arrow","")}else if(lKey=="multiply"){validKey="*"}else{validKey=lKey}}return validKey}function transformKeyIdentifier(keyIdent){var validKey="";if(keyIdent){if(keyIdent in KEY_IDENTIFIER){validKey=KEY_IDENTIFIER[keyIdent]}else if(IDENT_CHAR.test(keyIdent)){keyIdent=parseInt(keyIdent.replace("U+","0x"),16);validKey=String.fromCharCode(keyIdent).toLowerCase()}else{validKey=keyIdent.toLowerCase()}}return validKey}function transformKeyCode(keyCode){var validKey="";if(Number(keyCode)){if(keyCode>=65&&keyCode<=90){validKey=String.fromCharCode(32+keyCode)}else if(keyCode>=112&&keyCode<=123){validKey="f"+(keyCode-112)}else if(keyCode>=48&&keyCode<=57){validKey=String(keyCode-48)}else if(keyCode>=96&&keyCode<=105){validKey=String(keyCode-96)}else{validKey=KEY_CODE[keyCode]}}return validKey}function normalizedKeyForEvent(keyEvent,noSpecialChars){if(keyEvent.key){return transformKey(keyEvent.key,noSpecialChars)}if(keyEvent.detail&&keyEvent.detail.key){return transformKey(keyEvent.detail.key,noSpecialChars)}return transformKeyIdentifier(keyEvent.keyIdentifier)||transformKeyCode(keyEvent.keyCode)||""}function keyComboMatchesEvent(keyCombo,event){var keyEvent=normalizedKeyForEvent(event,keyCombo.hasModifiers);return keyEvent===keyCombo.key&&(!keyCombo.hasModifiers||!!event.shiftKey===!!keyCombo.shiftKey&&!!event.ctrlKey===!!keyCombo.ctrlKey&&!!event.altKey===!!keyCombo.altKey&&!!event.metaKey===!!keyCombo.metaKey)}function parseKeyComboString(keyComboString){if(keyComboString.length===1){return{combo:keyComboString,key:keyComboString,event:"keydown"}}return keyComboString.split("+").reduce(function(parsedKeyCombo,keyComboPart){var eventParts=keyComboPart.split(":");var keyName=eventParts[0];var event=eventParts[1];if(keyName in MODIFIER_KEYS){parsedKeyCombo[MODIFIER_KEYS[keyName]]=true;parsedKeyCombo.hasModifiers=true}else{parsedKeyCombo.key=keyName;parsedKeyCombo.event=event||"keydown"}return parsedKeyCombo},{combo:keyComboString.split(":").shift()})}function parseEventString(eventString){return eventString.trim().split(" ").map(function(keyComboString){return parseKeyComboString(keyComboString)})}Polymer.IronA11yKeysBehavior={properties:{keyEventTarget:{type:Object,value:function(){return 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b1===b2?0:b1?-1:1})}},_addKeyBinding:function(eventString,handlerName){parseEventString(eventString).forEach(function(keyCombo){this._keyBindings[keyCombo.event]=this._keyBindings[keyCombo.event]||[];this._keyBindings[keyCombo.event].push([keyCombo,handlerName])},this)},_resetKeyEventListeners:function(){this._unlistenKeyEventListeners();if(this.isAttached){this._listenKeyEventListeners()}},_listenKeyEventListeners:function(){if(!this.keyEventTarget){return}Object.keys(this._keyBindings).forEach(function(eventName){var keyBindings=this._keyBindings[eventName];var boundKeyHandler=this._onKeyBindingEvent.bind(this,keyBindings);this._boundKeyHandlers.push([this.keyEventTarget,eventName,boundKeyHandler]);this.keyEventTarget.addEventListener(eventName,boundKeyHandler)},this)},_unlistenKeyEventListeners:function(){var keyHandlerTuple;var keyEventTarget;var eventName;var 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if(this._isValidScrollTarget()){this._boundScrollHandler=this._boundScrollHandler||this._scrollHandler.bind(this);this._oldScrollTarget=scrollTarget;this._toggleScrollListener(this._shouldHaveListener,scrollTarget)}},_scrollHandler:function scrollHandler(){},get _defaultScrollTarget(){return this._doc},get _doc(){return this.ownerDocument.documentElement},get _scrollTop(){if(this._isValidScrollTarget()){return this.scrollTarget===this._doc?window.pageYOffset:this.scrollTarget.scrollTop}return 0},get _scrollLeft(){if(this._isValidScrollTarget()){return this.scrollTarget===this._doc?window.pageXOffset:this.scrollTarget.scrollLeft}return 0},set _scrollTop(top){if(this.scrollTarget===this._doc){window.scrollTo(window.pageXOffset,top)}else if(this._isValidScrollTarget()){this.scrollTarget.scrollTop=top}},set _scrollLeft(left){if(this.scrollTarget===this._doc){window.scrollTo(left,window.pageYOffset)}else 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eventTarget=scrollTarget===this._doc?window:scrollTarget;if(yes){eventTarget.addEventListener("scroll",this._boundScrollHandler)}else{eventTarget.removeEventListener("scroll",this._boundScrollHandler)}},toggleScrollListener:function(yes){this._shouldHaveListener=yes;this._toggleScrollListener(yes,this.scrollTarget)}};(function(){var IOS=navigator.userAgent.match(/iP(?:hone|ad;(?: U;)? CPU) OS (\d+)/);var IOS_TOUCH_SCROLLING=IOS&&IOS[1]>=8;var DEFAULT_PHYSICAL_COUNT=3;var HIDDEN_Y="-10000px";var ITEM_WIDTH=0;var ITEM_HEIGHT=1;var SECRET_TABINDEX=-100;Polymer({is:"iron-list",properties:{items:{type:Array},maxPhysicalCount:{type:Number,value:500},as:{type:String,value:"item"},indexAs:{type:String,value:"index"},selectedAs:{type:String,value:"selected"},grid:{type:Boolean,value:false,reflectToAttribute:true},selectionEnabled:{type:Boolean,value:false},selectedItem:{type:Object,notify:true},selectedItems:{type:Object,notify:true},multiSelection:{type:Boolean,value:false}},observers:["_itemsChanged(items.*)","_selectionEnabledChanged(selectionEnabled)","_multiSelectionChanged(multiSelection)","_setOverflow(scrollTarget)"],behaviors:[Polymer.Templatizer,Polymer.IronResizableBehavior,Polymer.IronA11yKeysBehavior,Polymer.IronScrollTargetBehavior],keyBindings:{up:"_didMoveUp",down:"_didMoveDown",enter:"_didEnter"},_ratio:.5,_scrollerPaddingTop:0,_scrollPosition:0,_physicalSize:0,_physicalAverage:0,_physicalAverageCount:0,_physicalTop:0,_virtualCount:0,_physicalIndexForKey:null,_estScrollHeight:0,_scrollHeight:0,_viewportHeight:0,_viewportWidth:0,_physicalItems:null,_physicalSizes:null,_firstVisibleIndexVal:null,_lastVisibleIndexVal:null,_collection:null,_maxPages:2,_focusedItem:null,_focusedIndex:-1,_offscreenFocusedItem:null,_focusBackfillItem:null,_itemsPerRow:1,_itemWidth:0,_rowHeight:0,_templateCost:0,get _physicalBottom(){return this._physicalTop+this._physicalSize},get _scrollBottom(){return this._scrollPosition+this._viewportHeight},get _virtualEnd(){return this._virtualStart+this._physicalCount-1},get _hiddenContentSize(){var size=this.grid?this._physicalRows*this._rowHeight:this._physicalSize;return size-this._viewportHeight},get _maxScrollTop(){return this._estScrollHeight-this._viewportHeight+this._scrollerPaddingTop},_minVirtualStart:0,get _maxVirtualStart(){return Math.max(0,this._virtualCount-this._physicalCount)},_virtualStartVal:0,set _virtualStart(val){this._virtualStartVal=Math.min(this._maxVirtualStart,Math.max(this._minVirtualStart,val))},get _virtualStart(){return this._virtualStartVal||0},_physicalStartVal:0,set _physicalStart(val){this._physicalStartVal=val%this._physicalCount;if(this._physicalStartVal<0){this._physicalStartVal=this._physicalCount+this._physicalStartVal}this._physicalEnd=(this._physicalStart+this._physicalCount-1)%this._physicalCount},get _physicalStart(){return this._physicalStartVal||0},_physicalCountVal:0,set _physicalCount(val){this._physicalCountVal=val;this._physicalEnd=(this._physicalStart+this._physicalCount-1)%this._physicalCount},get _physicalCount(){return this._physicalCountVal},_physicalEnd:0,get _optPhysicalSize(){if(this.grid){return this._estRowsInView*this._rowHeight*this._maxPages}return this._viewportHeight*this._maxPages},get _isVisible(){return Boolean(this.offsetWidth||this.offsetHeight)},get firstVisibleIndex(){if(this._firstVisibleIndexVal===null){var physicalOffset=Math.floor(this._physicalTop+this._scrollerPaddingTop);this._firstVisibleIndexVal=this._iterateItems(function(pidx,vidx){physicalOffset+=this._getPhysicalSizeIncrement(pidx);if(physicalOffset>this._scrollPosition){return this.grid?vidx-vidx%this._itemsPerRow:vidx}if(this.grid&&this._virtualCount-1===vidx){return vidx-vidx%this._itemsPerRow}})||0}return this._firstVisibleIndexVal},get lastVisibleIndex(){if(this._lastVisibleIndexVal===null){if(this.grid){var lastIndex=this.firstVisibleIndex+this._estRowsInView*this._itemsPerRow-1;this._lastVisibleIndexVal=Math.min(this._virtualCount,lastIndex)}else{var physicalOffset=this._physicalTop;this._iterateItems(function(pidx,vidx){if(physicalOffset<this._scrollBottom){this._lastVisibleIndexVal=vidx}else{return true}physicalOffset+=this._getPhysicalSizeIncrement(pidx)})}}return this._lastVisibleIndexVal},get _defaultScrollTarget(){return this},get _virtualRowCount(){return Math.ceil(this._virtualCount/this._itemsPerRow)},get _estRowsInView(){return Math.ceil(this._viewportHeight/this._rowHeight)},get _physicalRows(){return Math.ceil(this._physicalCount/this._itemsPerRow)},ready:function(){this.addEventListener("focus",this._didFocus.bind(this),true)},attached:function(){if(this._physicalCount===0){this._debounceTemplate(this._render)}this.listen(this,"iron-resize","_resizeHandler")},detached:function(){this.unlisten(this,"iron-resize","_resizeHandler")},_setOverflow:function(scrollTarget){this.style.webkitOverflowScrolling=scrollTarget===this?"touch":"";this.style.overflow=scrollTarget===this?"auto":""},updateViewportBoundaries:function(){this._scrollerPaddingTop=this.scrollTarget===this?0:parseInt(window.getComputedStyle(this)["padding-top"],10);this._viewportWidth=this.$.items.offsetWidth;this._viewportHeight=this._scrollTargetHeight;this.grid&&this._updateGridMetrics()},_scrollHandler:function(){var scrollTop=Math.max(0,Math.min(this._maxScrollTop,this._scrollTop));var delta=scrollTop-this._scrollPosition;var isScrollingDown=delta>=0;this._scrollPosition=scrollTop;this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null;if(Math.abs(delta)>this._physicalSize){var idxAdjustment=Math.round(delta/this._physicalAverage)*this._itemsPerRow;this._physicalTop=this._physicalTop+delta;this._virtualStart=this._virtualStart+idxAdjustment;this._physicalStart=this._physicalStart+idxAdjustment;this._update()}else{var reusables=this._getReusables(isScrollingDown);if(isScrollingDown){this._physicalTop=reusables.physicalTop;this._virtualStart=this._virtualStart+reusables.indexes.length;this._physicalStart=this._physicalStart+reusables.indexes.length}else{this._virtualStart=this._virtualStart-reusables.indexes.length;this._physicalStart=this._physicalStart-reusables.indexes.length}if(reusables.indexes.length===0){this._increasePoolIfNeeded()}else{this._update(reusables.indexes,isScrollingDown?null:reusables.indexes)}}},_getReusables:function(fromTop){var ith,lastIth,offsetContent,physicalItemHeight;var idxs=[];var protectedOffsetContent=this._hiddenContentSize*this._ratio;var virtualStart=this._virtualStart;var virtualEnd=this._virtualEnd;var physicalCount=this._physicalCount;var physicalTop=this._physicalTop+this._scrollerPaddingTop;var scrollTop=this._scrollTop;var scrollBottom=this._scrollBottom;if(fromTop){ith=this._physicalStart;lastIth=this._physicalEnd;offsetContent=scrollTop-physicalTop}else{ith=this._physicalEnd;lastIth=this._physicalStart;offsetContent=this._physicalBottom-scrollBottom}while(true){physicalItemHeight=this._getPhysicalSizeIncrement(ith);offsetContent=offsetContent-physicalItemHeight;if(idxs.length>=physicalCount||offsetContent<=protectedOffsetContent){break}if(fromTop){if(virtualEnd+idxs.length+1>=this._virtualCount){break}if(physicalTop+physicalItemHeight>=scrollTop){break}idxs.push(ith);physicalTop=physicalTop+physicalItemHeight;ith=(ith+1)%physicalCount}else{if(virtualStart-idxs.length<=0){break}if(physicalTop+this._physicalSize-physicalItemHeight<=scrollBottom){break}idxs.push(ith);physicalTop=physicalTop-physicalItemHeight;ith=ith===0?physicalCount-1:ith-1}}return{indexes:idxs,physicalTop:physicalTop-this._scrollerPaddingTop}},_update:function(itemSet,movingUp){if(itemSet&&itemSet.length===0){return}this._manageFocus();this._assignModels(itemSet);this._updateMetrics(itemSet);if(movingUp){while(movingUp.length){var idx=movingUp.pop();this._physicalTop-=this._getPhysicalSizeIncrement(idx)}}this._positionItems();this._updateScrollerSize();this._increasePoolIfNeeded()},_createPool:function(size){var physicalItems=new Array(size);this._ensureTemplatized();for(var i=0;i<size;i++){var inst=this.stamp(null);physicalItems[i]=inst.root.querySelector("*");Polymer.dom(this).appendChild(inst.root)}return physicalItems},_increasePoolIfNeeded:function(){if(this._viewportHeight===0){return false}var self=this;var isClientFull=this._physicalBottom>=this._scrollBottom&&this._physicalTop<=this._scrollPosition;if(this._physicalSize>=this._optPhysicalSize&&isClientFull){return false}var maxPoolSize=Math.round(this._physicalCount*.5);if(!isClientFull){this._debounceTemplate(this._increasePool.bind(this,maxPoolSize));return true}this._yield(function(){self._increasePool(Math.min(maxPoolSize,Math.max(1,Math.round(50/self._templateCost))))});return true},_yield:function(cb){var g=window;var handle=g.requestIdleCallback?g.requestIdleCallback(cb):g.setTimeout(cb,16);Polymer.dom.addDebouncer({complete:function(){g.cancelIdleCallback?g.cancelIdleCallback(handle):g.clearTimeout(handle);cb()}})},_increasePool:function(missingItems){var nextPhysicalCount=Math.min(this._physicalCount+missingItems,this._virtualCount-this._virtualStart,Math.max(this.maxPhysicalCount,DEFAULT_PHYSICAL_COUNT));var prevPhysicalCount=this._physicalCount;var delta=nextPhysicalCount-prevPhysicalCount;var ts=window.performance.now();if(delta<=0){return}[].push.apply(this._physicalItems,this._createPool(delta));[].push.apply(this._physicalSizes,new Array(delta));this._physicalCount=prevPhysicalCount+delta;if(this._physicalStart>this._physicalEnd&&this._isIndexRendered(this._focusedIndex)&&this._getPhysicalIndex(this._focusedIndex)<this._physicalEnd){this._physicalStart=this._physicalStart+delta}this._update();this._templateCost=(window.performance.now()-ts)/delta},_render:function(){if(this.isAttached&&this._isVisible){if(this._physicalCount===0){this.updateViewportBoundaries();this._increasePool(DEFAULT_PHYSICAL_COUNT)}else{var reusables=this._getReusables(true);this._physicalTop=reusables.physicalTop;this._virtualStart=this._virtualStart+reusables.indexes.length;this._physicalStart=this._physicalStart+reusables.indexes.length;this._update(reusables.indexes);this._update()}}},_ensureTemplatized:function(){if(!this.ctor){var props={};props.__key__=true;props[this.as]=true;props[this.indexAs]=true;props[this.selectedAs]=true;props.tabIndex=true;this._instanceProps=props;this._userTemplate=Polymer.dom(this).querySelector("template");if(this._userTemplate){this.templatize(this._userTemplate)}else{console.warn("iron-list requires a template to be provided in light-dom")}}},_getStampedChildren:function(){return this._physicalItems},_forwardInstancePath:function(inst,path,value){if(path.indexOf(this.as+".")===0){this.notifyPath("items."+inst.__key__+"."+path.slice(this.as.length+1),value)}},_forwardParentProp:function(prop,value){if(this._physicalItems){this._physicalItems.forEach(function(item){item._templateInstance[prop]=value},this)}},_forwardParentPath:function(path,value){if(this._physicalItems){this._physicalItems.forEach(function(item){item._templateInstance.notifyPath(path,value,true)},this)}},_forwardItemPath:function(path,value){if(!this._physicalIndexForKey){return}var dot=path.indexOf(".");var key=path.substring(0,dot<0?path.length:dot);var idx=this._physicalIndexForKey[key];var offscreenItem=this._offscreenFocusedItem;var el=offscreenItem&&offscreenItem._templateInstance.__key__===key?offscreenItem:this._physicalItems[idx];if(!el||el._templateInstance.__key__!==key){return}if(dot>=0){path=this.as+"."+path.substring(dot+1);el._templateInstance.notifyPath(path,value,true)}else{var currentItem=el._templateInstance[this.as];if(Array.isArray(this.selectedItems)){for(var i=0;i<this.selectedItems.length;i++){if(this.selectedItems[i]===currentItem){this.set("selectedItems."+i,value);break}}}else if(this.selectedItem===currentItem){this.set("selectedItem",value)}el._templateInstance[this.as]=value}},_itemsChanged:function(change){if(change.path==="items"){this._virtualStart=0;this._physicalTop=0;this._virtualCount=this.items?this.items.length:0;this._collection=this.items?Polymer.Collection.get(this.items):null;this._physicalIndexForKey={};this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null;this._physicalCount=this._physicalCount||0;this._physicalItems=this._physicalItems||[];this._physicalSizes=this._physicalSizes||[];this._physicalStart=0;this._resetScrollPosition(0);this._removeFocusedItem();this._debounceTemplate(this._render)}else if(change.path==="items.splices"){this._adjustVirtualIndex(change.value.indexSplices);this._virtualCount=this.items?this.items.length:0;this._debounceTemplate(this._render)}else{this._forwardItemPath(change.path.split(".").slice(1).join("."),change.value)}},_adjustVirtualIndex:function(splices){splices.forEach(function(splice){splice.removed.forEach(this._removeItem,this);if(splice.index<this._virtualStart){var delta=Math.max(splice.addedCount-splice.removed.length,splice.index-this._virtualStart);this._virtualStart=this._virtualStart+delta;if(this._focusedIndex>=0){this._focusedIndex=this._focusedIndex+delta}}},this)},_removeItem:function(item){this.$.selector.deselect(item);if(this._focusedItem&&this._focusedItem._templateInstance[this.as]===item){this._removeFocusedItem()}},_iterateItems:function(fn,itemSet){var pidx,vidx,rtn,i;if(arguments.length===2&&itemSet){for(i=0;i<itemSet.length;i++){pidx=itemSet[i];vidx=this._computeVidx(pidx);if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}}else{pidx=this._physicalStart;vidx=this._virtualStart;for(;pidx<this._physicalCount;pidx++,vidx++){if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}for(pidx=0;pidx<this._physicalStart;pidx++,vidx++){if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}}},_computeVidx:function(pidx){if(pidx>=this._physicalStart){return this._virtualStart+(pidx-this._physicalStart)}return this._virtualStart+(this._physicalCount-this._physicalStart)+pidx},_assignModels:function(itemSet){this._iterateItems(function(pidx,vidx){var el=this._physicalItems[pidx];var inst=el._templateInstance;var item=this.items&&this.items[vidx];if(item!=null){inst[this.as]=item;inst.__key__=this._collection.getKey(item);inst[this.selectedAs]=this.$.selector.isSelected(item);inst[this.indexAs]=vidx;inst.tabIndex=this._focusedIndex===vidx?0:-1;this._physicalIndexForKey[inst.__key__]=pidx;el.removeAttribute("hidden")}else{inst.__key__=null;el.setAttribute("hidden","")}},itemSet)},_updateMetrics:function(itemSet){Polymer.dom.flush();var newPhysicalSize=0;var oldPhysicalSize=0;var prevAvgCount=this._physicalAverageCount;var prevPhysicalAvg=this._physicalAverage;this._iterateItems(function(pidx,vidx){oldPhysicalSize+=this._physicalSizes[pidx]||0;this._physicalSizes[pidx]=this._physicalItems[pidx].offsetHeight;newPhysicalSize+=this._physicalSizes[pidx];this._physicalAverageCount+=this._physicalSizes[pidx]?1:0},itemSet);if(this.grid){this._updateGridMetrics();this._physicalSize=Math.ceil(this._physicalCount/this._itemsPerRow)*this._rowHeight}else{this._physicalSize=this._physicalSize+newPhysicalSize-oldPhysicalSize}if(this._physicalAverageCount!==prevAvgCount){this._physicalAverage=Math.round((prevPhysicalAvg*prevAvgCount+newPhysicalSize)/this._physicalAverageCount)}},_updateGridMetrics:function(){this._itemWidth=this._physicalCount>0?this._physicalItems[0].getBoundingClientRect().width:200;this._rowHeight=this._physicalCount>0?this._physicalItems[0].offsetHeight:200;this._itemsPerRow=this._itemWidth?Math.floor(this._viewportWidth/this._itemWidth):this._itemsPerRow},_positionItems:function(){this._adjustScrollPosition();var y=this._physicalTop;if(this.grid){var totalItemWidth=this._itemsPerRow*this._itemWidth;var rowOffset=(this._viewportWidth-totalItemWidth)/2;this._iterateItems(function(pidx,vidx){var modulus=vidx%this._itemsPerRow;var x=Math.floor(modulus*this._itemWidth+rowOffset);this.translate3d(x+"px",y+"px",0,this._physicalItems[pidx]);if(this._shouldRenderNextRow(vidx)){y+=this._rowHeight}})}else{this._iterateItems(function(pidx,vidx){this.translate3d(0,y+"px",0,this._physicalItems[pidx]);y+=this._physicalSizes[pidx]})}},_getPhysicalSizeIncrement:function(pidx){if(!this.grid){return this._physicalSizes[pidx]}if(this._computeVidx(pidx)%this._itemsPerRow!==this._itemsPerRow-1){return 0}return this._rowHeight},_shouldRenderNextRow:function(vidx){return vidx%this._itemsPerRow===this._itemsPerRow-1},_adjustScrollPosition:function(){var deltaHeight=this._virtualStart===0?this._physicalTop:Math.min(this._scrollPosition+this._physicalTop,0);if(deltaHeight){this._physicalTop=this._physicalTop-deltaHeight;if(!IOS_TOUCH_SCROLLING&&this._physicalTop!==0){this._resetScrollPosition(this._scrollTop-deltaHeight)}}},_resetScrollPosition:function(pos){if(this.scrollTarget){this._scrollTop=pos;this._scrollPosition=this._scrollTop}},_updateScrollerSize:function(forceUpdate){if(this.grid){this._estScrollHeight=this._virtualRowCount*this._rowHeight}else{this._estScrollHeight=this._physicalBottom+Math.max(this._virtualCount-this._physicalCount-this._virtualStart,0)*this._physicalAverage}forceUpdate=forceUpdate||this._scrollHeight===0;forceUpdate=forceUpdate||this._scrollPosition>=this._estScrollHeight-this._physicalSize;forceUpdate=forceUpdate||this.grid&&this.$.items.style.height<this._estScrollHeight;if(forceUpdate||Math.abs(this._estScrollHeight-this._scrollHeight)>=this._optPhysicalSize){this.$.items.style.height=this._estScrollHeight+"px";this._scrollHeight=this._estScrollHeight}},scrollToItem:function(item){return this.scrollToIndex(this.items.indexOf(item))},scrollToIndex:function(idx){if(typeof idx!=="number"||idx<0||idx>this.items.length-1){return}Polymer.dom.flush();if(this._physicalCount===0){return}idx=Math.min(Math.max(idx,0),this._virtualCount-1);if(!this._isIndexRendered(idx)||idx>=this._maxVirtualStart){this._virtualStart=this.grid?idx-this._itemsPerRow*2:idx-1}this._manageFocus();this._assignModels();this._updateMetrics();this._physicalTop=Math.floor(this._virtualStart/this._itemsPerRow)*this._physicalAverage;var currentTopItem=this._physicalStart;var currentVirtualItem=this._virtualStart;var targetOffsetTop=0;var hiddenContentSize=this._hiddenContentSize;while(currentVirtualItem<idx&&targetOffsetTop<=hiddenContentSize){targetOffsetTop=targetOffsetTop+this._getPhysicalSizeIncrement(currentTopItem);currentTopItem=(currentTopItem+1)%this._physicalCount;currentVirtualItem++}this._updateScrollerSize(true);this._positionItems();this._resetScrollPosition(this._physicalTop+this._scrollerPaddingTop+targetOffsetTop);this._increasePoolIfNeeded();this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null},_resetAverage:function(){this._physicalAverage=0;this._physicalAverageCount=0},_resizeHandler:function(){var delta=Math.abs(this._viewportHeight-this._scrollTargetHeight);if(IOS&&delta>0&&delta<100){return}Polymer.dom.addDebouncer(this.debounce("_debounceTemplate",function(){this.updateViewportBoundaries();this._render();if(this._isVisible){this.toggleScrollListener(true);if(this._physicalCount>0){this._resetAverage();this.scrollToIndex(this.firstVisibleIndex)}}else{this.toggleScrollListener(false)}}.bind(this),1))},_getModelFromItem:function(item){var key=this._collection.getKey(item);var pidx=this._physicalIndexForKey[key];if(pidx!=null){return this._physicalItems[pidx]._templateInstance}return null},_getNormalizedItem:function(item){if(this._collection.getKey(item)===undefined){if(typeof item==="number"){item=this.items[item];if(!item){throw new RangeError("<item> not found")}return item}throw new TypeError("<item> should be a valid item")}return item},selectItem:function(item){item=this._getNormalizedItem(item);var model=this._getModelFromItem(item);if(!this.multiSelection&&this.selectedItem){this.deselectItem(this.selectedItem)}if(model){model[this.selectedAs]=true}this.$.selector.select(item);this.updateSizeForItem(item)},deselectItem:function(item){item=this._getNormalizedItem(item);var model=this._getModelFromItem(item);if(model){model[this.selectedAs]=false}this.$.selector.deselect(item);this.updateSizeForItem(item)},toggleSelectionForItem:function(item){item=this._getNormalizedItem(item);if(this.$.selector.isSelected(item)){this.deselectItem(item)}else{this.selectItem(item)}},clearSelection:function(){function unselect(item){var model=this._getModelFromItem(item);if(model){model[this.selectedAs]=false}}if(Array.isArray(this.selectedItems)){this.selectedItems.forEach(unselect,this)}else if(this.selectedItem){unselect.call(this,this.selectedItem)}this.$.selector.clearSelection()},_selectionEnabledChanged:function(selectionEnabled){var handler=selectionEnabled?this.listen:this.unlisten;handler.call(this,this,"tap","_selectionHandler")},_selectionHandler:function(e){var model=this.modelForElement(e.target);if(!model){return}var modelTabIndex,activeElTabIndex;var target=Polymer.dom(e).path[0];var activeEl=Polymer.dom(this.domHost?this.domHost.root:document).activeElement;var physicalItem=this._physicalItems[this._getPhysicalIndex(model[this.indexAs])];
 
 if(target.localName==="input"||target.localName==="button"||target.localName==="select"){return}modelTabIndex=model.tabIndex;model.tabIndex=SECRET_TABINDEX;activeElTabIndex=activeEl?activeEl.tabIndex:-1;model.tabIndex=modelTabIndex;if(activeEl&&physicalItem!==activeEl&&physicalItem.contains(activeEl)&&activeElTabIndex!==SECRET_TABINDEX){return}this.toggleSelectionForItem(model[this.as])},_multiSelectionChanged:function(multiSelection){this.clearSelection();this.$.selector.multi=multiSelection},updateSizeForItem:function(item){item=this._getNormalizedItem(item);var key=this._collection.getKey(item);var pidx=this._physicalIndexForKey[key];if(pidx!=null){this._updateMetrics([pidx]);this._positionItems()}},_manageFocus:function(){var fidx=this._focusedIndex;if(fidx>=0&&fidx<this._virtualCount){if(this._isIndexRendered(fidx)){this._restoreFocusedItem()}else{this._createFocusBackfillItem()}}else if(this._virtualCount>0&&this._physicalCount>0){this._focusedIndex=this._virtualStart;this._focusedItem=this._physicalItems[this._physicalStart]}},_isIndexRendered:function(idx){return idx>=this._virtualStart&&idx<=this._virtualEnd},_isIndexVisible:function(idx){return idx>=this.firstVisibleIndex&&idx<=this.lastVisibleIndex},_getPhysicalIndex:function(idx){return this._physicalIndexForKey[this._collection.getKey(this._getNormalizedItem(idx))]},_focusPhysicalItem:function(idx){if(idx<0||idx>=this._virtualCount){return}this._restoreFocusedItem();if(!this._isIndexRendered(idx)){this.scrollToIndex(idx)}var physicalItem=this._physicalItems[this._getPhysicalIndex(idx)];var model=physicalItem._templateInstance;var focusable;model.tabIndex=SECRET_TABINDEX;if(physicalItem.tabIndex===SECRET_TABINDEX){focusable=physicalItem}if(!focusable){focusable=Polymer.dom(physicalItem).querySelector('[tabindex="'+SECRET_TABINDEX+'"]')}model.tabIndex=0;this._focusedIndex=idx;focusable&&focusable.focus()},_removeFocusedItem:function(){if(this._offscreenFocusedItem){Polymer.dom(this).removeChild(this._offscreenFocusedItem)}this._offscreenFocusedItem=null;this._focusBackfillItem=null;this._focusedItem=null;this._focusedIndex=-1},_createFocusBackfillItem:function(){var fidx=this._focusedIndex;var pidx=this._getPhysicalIndex(fidx);if(this._offscreenFocusedItem||pidx==null||fidx<0){return}if(!this._focusBackfillItem){var stampedTemplate=this.stamp(null);this._focusBackfillItem=stampedTemplate.root.querySelector("*");Polymer.dom(this).appendChild(stampedTemplate.root)}this._offscreenFocusedItem=this._physicalItems[pidx];this._offscreenFocusedItem._templateInstance.tabIndex=0;this._physicalItems[pidx]=this._focusBackfillItem;this.translate3d(0,HIDDEN_Y,0,this._offscreenFocusedItem)},_restoreFocusedItem:function(){var pidx,fidx=this._focusedIndex;if(!this._offscreenFocusedItem||this._focusedIndex<0){return}this._assignModels();pidx=this._getPhysicalIndex(fidx);if(pidx!=null){this._focusBackfillItem=this._physicalItems[pidx];this._focusBackfillItem._templateInstance.tabIndex=-1;this._physicalItems[pidx]=this._offscreenFocusedItem;this._offscreenFocusedItem=null;this.translate3d(0,HIDDEN_Y,0,this._focusBackfillItem)}},_didFocus:function(e){var targetModel=this.modelForElement(e.target);var focusedModel=this._focusedItem?this._focusedItem._templateInstance:null;var hasOffscreenFocusedItem=this._offscreenFocusedItem!==null;var fidx=this._focusedIndex;if(!targetModel||!focusedModel){return}if(focusedModel===targetModel){if(!this._isIndexVisible(fidx)){this.scrollToIndex(fidx)}}else{this._restoreFocusedItem();focusedModel.tabIndex=-1;targetModel.tabIndex=0;fidx=targetModel[this.indexAs];this._focusedIndex=fidx;this._focusedItem=this._physicalItems[this._getPhysicalIndex(fidx)];if(hasOffscreenFocusedItem&&!this._offscreenFocusedItem){this._update()}}},_didMoveUp:function(){this._focusPhysicalItem(this._focusedIndex-1)},_didMoveDown:function(e){e.detail.keyboardEvent.preventDefault();this._focusPhysicalItem(this._focusedIndex+1)},_didEnter:function(e){this._focusPhysicalItem(this._focusedIndex);this._selectionHandler(e.detail.keyboardEvent)}})})();
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-cr.define("downloads",function(){function chromeSendWithId(chromeSendName){return function(id){chrome.send(chromeSendName,[id])}}function ActionService(){this.searchTerms_=[]}function trim(s){return s.trim()}function truthy(value){return!!value}ActionService.splitTerms=function(searchText){return searchText.split(/"([^"]*)"/).map(trim).filter(truthy)};ActionService.prototype={cancel:chromeSendWithId("cancel"),clearAll:function(){if(loadTimeData.getBoolean("allowDeletingHistory")){chrome.send("clearAll");this.search("")}},discardDangerous:chromeSendWithId("discardDangerous"),download:function(url){var a=document.createElement("a");a.href=url;a.setAttribute("download","");a.click()},drag:chromeSendWithId("drag"),loadMore:function(){chrome.send("getDownloads",this.searchTerms_)},isSearching:function(){return this.searchTerms_.length>0},openDownloadsFolder:chrome.send.bind(chrome,"openDownloadsFolder"),openFile:chromeSendWithId("openFile"),pause:chromeSendWithId("pause"),remove:chromeSendWithId("remove"),resume:chromeSendWithId("resume"),saveDangerous:chromeSendWithId("saveDangerous"),search:function(searchText){var searchTerms=ActionService.splitTerms(searchText);var sameTerms=searchTerms.length==this.searchTerms_.length;for(var i=0;sameTerms&&i<searchTerms.length;++i){if(searchTerms[i]!=this.searchTerms_[i])sameTerms=false}if(sameTerms)return false;this.searchTerms_=searchTerms;this.loadMore();return true},show:chromeSendWithId("show"),undo:chrome.send.bind(chrome,"undo")};cr.addSingletonGetter(ActionService);return{ActionService:ActionService}});
+cr.define("downloads",function(){function chromeSendWithId(chromeSendName){return function(id){chrome.send(chromeSendName,[id])}}function ActionService(){this.searchTerms_=[]}function trim(s){return s.trim()}function truthy(value){return!!value}ActionService.splitTerms=function(searchText){return searchText.split(/"([^"]*)"/).map(trim).filter(truthy)};ActionService.prototype={cancel:chromeSendWithId("cancel"),clearAll:function(){if(loadTimeData.getBoolean("allowDeletingHistory")){chrome.send("clearAll");this.search("")}},discardDangerous:chromeSendWithId("discardDangerous"),download:function(url){var a=document.createElement("a");a.href=url;a.setAttribute("download","");a.click()},drag:chromeSendWithId("drag"),loadMore:function(){chrome.send("getDownloads",this.searchTerms_)},isSearching:function(){return this.searchTerms_.length>0},openDownloadsFolder:function(){chrome.send("openDownloadsFolderRequiringGesture")},openFile:chromeSendWithId("openFileRequiringGesture"),pause:chromeSendWithId("pause"),remove:chromeSendWithId("remove"),resume:chromeSendWithId("resume"),saveDangerous:chromeSendWithId("saveDangerousRequiringGesture"),search:function(searchText){var searchTerms=ActionService.splitTerms(searchText);var sameTerms=searchTerms.length==this.searchTerms_.length;for(var i=0;sameTerms&&i<searchTerms.length;++i){if(searchTerms[i]!=this.searchTerms_[i])sameTerms=false}if(sameTerms)return false;this.searchTerms_=searchTerms;this.loadMore();return true},show:chromeSendWithId("show"),undo:chrome.send.bind(chrome,"undo")};cr.addSingletonGetter(ActionService);return{ActionService:ActionService}});
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 cr.define("downloads",function(){var DangerType={NOT_DANGEROUS:"NOT_DANGEROUS",DANGEROUS_FILE:"DANGEROUS_FILE",DANGEROUS_URL:"DANGEROUS_URL",DANGEROUS_CONTENT:"DANGEROUS_CONTENT",UNCOMMON_CONTENT:"UNCOMMON_CONTENT",DANGEROUS_HOST:"DANGEROUS_HOST",POTENTIALLY_UNWANTED:"POTENTIALLY_UNWANTED"};var States={IN_PROGRESS:"IN_PROGRESS",CANCELLED:"CANCELLED",COMPLETE:"COMPLETE",PAUSED:"PAUSED",DANGEROUS:"DANGEROUS",INTERRUPTED:"INTERRUPTED"};return{DangerType:DangerType,States:States}});
 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 var ActionLink=document.registerElement("action-link",{prototype:{__proto__:HTMLAnchorElement.prototype,createdCallback:function(){this.tabIndex=this.disabled?-1:0;if(!this.hasAttribute("role"))this.setAttribute("role","link");this.addEventListener("keydown",function(e){if(!this.disabled&&e.key=="Enter"&&!this.href){window.setTimeout(this.click.bind(this),0)}});function preventDefault(e){e.preventDefault()}function removePreventDefault(){document.removeEventListener("selectstart",preventDefault);document.removeEventListener("mouseup",removePreventDefault)}this.addEventListener("mousedown",function(){document.addEventListener("selectstart",preventDefault);document.addEventListener("mouseup",removePreventDefault);if(document.activeElement!=this)this.classList.add("no-outline")});this.addEventListener("blur",function(){this.classList.remove("no-outline")})},set disabled(disabled){if(disabled)HTMLAnchorElement.prototype.setAttribute.call(this,"disabled","");else HTMLAnchorElement.prototype.removeAttribute.call(this,"disabled");this.tabIndex=disabled?-1:0},get disabled(){return this.hasAttribute("disabled")},setAttribute:function(attr,val){if(attr.toLowerCase()=="disabled")this.disabled=true;else HTMLAnchorElement.prototype.setAttribute.apply(this,arguments)},removeAttribute:function(attr){if(attr.toLowerCase()=="disabled")this.disabled=false;else HTMLAnchorElement.prototype.removeAttribute.apply(this,arguments)}},"extends":"a"});(function(){var metaDatas={};var metaArrays={};var singleton=null;Polymer.IronMeta=Polymer({is:"iron-meta",properties:{type:{type:String,value:"default",observer:"_typeChanged"},key:{type:String,observer:"_keyChanged"},value:{type:Object,notify:true,observer:"_valueChanged"},self:{type:Boolean,observer:"_selfChanged"},list:{type:Array,notify:true}},hostAttributes:{hidden:true},factoryImpl:function(config){if(config){for(var n in config){switch(n){case"type":case"key":case"value":this[n]=config[n];break}}}},created:function(){this._metaDatas=metaDatas;this._metaArrays=metaArrays},_keyChanged:function(key,old){this._resetRegistration(old)},_valueChanged:function(value){this._resetRegistration(this.key)},_selfChanged:function(self){if(self){this.value=this}},_typeChanged:function(type){this._unregisterKey(this.key);if(!metaDatas[type]){metaDatas[type]={}}this._metaData=metaDatas[type];if(!metaArrays[type]){metaArrays[type]=[]}this.list=metaArrays[type];this._registerKeyValue(this.key,this.value)},byKey:function(key){return this._metaData&&this._metaData[key]},_resetRegistration:function(oldKey){this._unregisterKey(oldKey);this._registerKeyValue(this.key,this.value)},_unregisterKey:function(key){this._unregister(key,this._metaData,this.list)},_registerKeyValue:function(key,value){this._register(key,value,this._metaData,this.list)},_register:function(key,value,data,list){if(key&&data&&value!==undefined){data[key]=value;list.push(value)}},_unregister:function(key,data,list){if(key&&data){if(key in data){var value=data[key];delete data[key];this.arrayDelete(list,value)}}}});Polymer.IronMeta.getIronMeta=function getIronMeta(){if(singleton===null){singleton=new Polymer.IronMeta}return singleton};Polymer.IronMetaQuery=Polymer({is:"iron-meta-query",properties:{type:{type:String,value:"default",observer:"_typeChanged"},key:{type:String,observer:"_keyChanged"},value:{type:Object,notify:true,readOnly:true},list:{type:Array,notify:true}},factoryImpl:function(config){if(config){for(var n in config){switch(n){case"type":case"key":this[n]=config[n];break}}}},created:function(){this._metaDatas=metaDatas;this._metaArrays=metaArrays},_keyChanged:function(key){this._setValue(this._metaData&&this._metaData[key])},_typeChanged:function(type){this._metaData=metaDatas[type];this.list=metaArrays[type];if(this.key){this._keyChanged(this.key)}},byKey:function(key){return this._metaData&&this._metaData[key]}})})();Polymer({is:"iron-icon",properties:{icon:{type:String,observer:"_iconChanged"},theme:{type:String,observer:"_updateIcon"},src:{type:String,observer:"_srcChanged"},_meta:{value:Polymer.Base.create("iron-meta",{type:"iconset"}),observer:"_updateIcon"}},_DEFAULT_ICONSET:"icons",_iconChanged:function(icon){var parts=(icon||"").split(":");this._iconName=parts.pop();this._iconsetName=parts.pop()||this._DEFAULT_ICONSET;this._updateIcon()},_srcChanged:function(src){this._updateIcon()},_usesIconset:function(){return this.icon||!this.src},_updateIcon:function(){if(this._usesIconset()){if(this._img&&this._img.parentNode){Polymer.dom(this.root).removeChild(this._img)}if(this._iconName===""){if(this._iconset){this._iconset.removeIcon(this)}}else if(this._iconsetName&&this._meta){this._iconset=this._meta.byKey(this._iconsetName);if(this._iconset){this._iconset.applyIcon(this,this._iconName,this.theme);this.unlisten(window,"iron-iconset-added","_updateIcon")}else{this.listen(window,"iron-iconset-added","_updateIcon")}}}else{if(this._iconset){this._iconset.removeIcon(this)}if(!this._img){this._img=document.createElement("img");this._img.style.width="100%";this._img.style.height="100%";this._img.draggable=false}this._img.src=this.src;Polymer.dom(this.root).appendChild(this._img)}}});Polymer.IronControlState={properties:{focused:{type:Boolean,value:false,notify:true,readOnly:true,reflectToAttribute:true},disabled:{type:Boolean,value:false,notify:true,observer:"_disabledChanged",reflectToAttribute:true},_oldTabIndex:{type:Number},_boundFocusBlurHandler:{type:Function,value:function(){return this._focusBlurHandler.bind(this)}}},observers:["_changedControlState(focused, disabled)"],ready:function(){this.addEventListener("focus",this._boundFocusBlurHandler,true);this.addEventListener("blur",this._boundFocusBlurHandler,true)},_focusBlurHandler:function(event){if(event.target===this){this._setFocused(event.type==="focus")}else if(!this.shadowRoot){var target=Polymer.dom(event).localTarget;if(!this.isLightDescendant(target)){this.fire(event.type,{sourceEvent:event},{node:this,bubbles:event.bubbles,cancelable:event.cancelable})}}},_disabledChanged:function(disabled,old){this.setAttribute("aria-disabled",disabled?"true":"false");this.style.pointerEvents=disabled?"none":"";if(disabled){this._oldTabIndex=this.tabIndex;this._setFocused(false);this.tabIndex=-1;this.blur()}else if(this._oldTabIndex!==undefined){this.tabIndex=this._oldTabIndex}},_changedControlState:function(){if(this._controlStateChanged){this._controlStateChanged()}}};Polymer.IronButtonStateImpl={properties:{pressed:{type:Boolean,readOnly:true,value:false,reflectToAttribute:true,observer:"_pressedChanged"},toggles:{type:Boolean,value:false,reflectToAttribute:true},active:{type:Boolean,value:false,notify:true,reflectToAttribute:true},pointerDown:{type:Boolean,readOnly:true,value:false},receivedFocusFromKeyboard:{type:Boolean,readOnly:true},ariaActiveAttribute:{type:String,value:"aria-pressed",observer:"_ariaActiveAttributeChanged"}},listeners:{down:"_downHandler",up:"_upHandler",tap:"_tapHandler"},observers:["_detectKeyboardFocus(focused)","_activeChanged(active, ariaActiveAttribute)"],keyBindings:{"enter:keydown":"_asyncClick","space:keydown":"_spaceKeyDownHandler","space:keyup":"_spaceKeyUpHandler"},_mouseEventRe:/^mouse/,_tapHandler:function(){if(this.toggles){this._userActivate(!this.active)}else{this.active=false}},_detectKeyboardFocus:function(focused){this._setReceivedFocusFromKeyboard(!this.pointerDown&&focused)},_userActivate:function(active){if(this.active!==active){this.active=active;this.fire("change")}},_downHandler:function(event){this._setPointerDown(true);this._setPressed(true);this._setReceivedFocusFromKeyboard(false)},_upHandler:function(){this._setPointerDown(false);this._setPressed(false)},_spaceKeyDownHandler:function(event){var keyboardEvent=event.detail.keyboardEvent;var target=Polymer.dom(keyboardEvent).localTarget;if(this.isLightDescendant(target))return;keyboardEvent.preventDefault();keyboardEvent.stopImmediatePropagation();this._setPressed(true)},_spaceKeyUpHandler:function(event){var keyboardEvent=event.detail.keyboardEvent;var target=Polymer.dom(keyboardEvent).localTarget;if(this.isLightDescendant(target))return;if(this.pressed){this._asyncClick()}this._setPressed(false)},_asyncClick:function(){this.async(function(){this.click()},1)},_pressedChanged:function(pressed){this._changedButtonState()},_ariaActiveAttributeChanged:function(value,oldValue){if(oldValue&&oldValue!=value&&this.hasAttribute(oldValue)){this.removeAttribute(oldValue)}},_activeChanged:function(active,ariaActiveAttribute){if(this.toggles){this.setAttribute(this.ariaActiveAttribute,active?"true":"false")}else{this.removeAttribute(this.ariaActiveAttribute)}this._changedButtonState()},_controlStateChanged:function(){if(this.disabled){this._setPressed(false)}else{this._changedButtonState()}},_changedButtonState:function(){if(this._buttonStateChanged){this._buttonStateChanged()}}};Polymer.IronButtonState=[Polymer.IronA11yKeysBehavior,Polymer.IronButtonStateImpl];(function(){var Utility={distance:function(x1,y1,x2,y2){var xDelta=x1-x2;var yDelta=y1-y2;return Math.sqrt(xDelta*xDelta+yDelta*yDelta)},now:window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now};function ElementMetrics(element){this.element=element;this.width=this.boundingRect.width;this.height=this.boundingRect.height;this.size=Math.max(this.width,this.height)}ElementMetrics.prototype={get boundingRect(){return this.element.getBoundingClientRect()},furthestCornerDistanceFrom:function(x,y){var topLeft=Utility.distance(x,y,0,0);var topRight=Utility.distance(x,y,this.width,0);var bottomLeft=Utility.distance(x,y,0,this.height);var bottomRight=Utility.distance(x,y,this.width,this.height);return Math.max(topLeft,topRight,bottomLeft,bottomRight)}};function Ripple(element){this.element=element;this.color=window.getComputedStyle(element).color;this.wave=document.createElement("div");this.waveContainer=document.createElement("div");this.wave.style.backgroundColor=this.color;this.wave.classList.add("wave");this.waveContainer.classList.add("wave-container");Polymer.dom(this.waveContainer).appendChild(this.wave);this.resetInteractionState()}Ripple.MAX_RADIUS=300;Ripple.prototype={get recenters(){return this.element.recenters},get center(){return this.element.center},get mouseDownElapsed(){var elapsed;if(!this.mouseDownStart){return 0}elapsed=Utility.now()-this.mouseDownStart;if(this.mouseUpStart){elapsed-=this.mouseUpElapsed}return elapsed},get mouseUpElapsed(){return this.mouseUpStart?Utility.now()-this.mouseUpStart:0},get mouseDownElapsedSeconds(){return this.mouseDownElapsed/1e3},get mouseUpElapsedSeconds(){return this.mouseUpElapsed/1e3},get mouseInteractionSeconds(){return this.mouseDownElapsedSeconds+this.mouseUpElapsedSeconds},get initialOpacity(){return this.element.initialOpacity},get opacityDecayVelocity(){return this.element.opacityDecayVelocity},get radius(){var width2=this.containerMetrics.width*this.containerMetrics.width;var height2=this.containerMetrics.height*this.containerMetrics.height;var waveRadius=Math.min(Math.sqrt(width2+height2),Ripple.MAX_RADIUS)*1.1+5;var duration=1.1-.2*(waveRadius/Ripple.MAX_RADIUS);var timeNow=this.mouseInteractionSeconds/duration;var size=waveRadius*(1-Math.pow(80,-timeNow));return Math.abs(size)},get opacity(){if(!this.mouseUpStart){return this.initialOpacity}return Math.max(0,this.initialOpacity-this.mouseUpElapsedSeconds*this.opacityDecayVelocity)},get outerOpacity(){var outerOpacity=this.mouseUpElapsedSeconds*.3;var waveOpacity=this.opacity;return Math.max(0,Math.min(outerOpacity,waveOpacity))},get isOpacityFullyDecayed(){return this.opacity<.01&&this.radius>=Math.min(this.maxRadius,Ripple.MAX_RADIUS)},get isRestingAtMaxRadius(){return this.opacity>=this.initialOpacity&&this.radius>=Math.min(this.maxRadius,Ripple.MAX_RADIUS)},get isAnimationComplete(){return this.mouseUpStart?this.isOpacityFullyDecayed:this.isRestingAtMaxRadius},get translationFraction(){return Math.min(1,this.radius/this.containerMetrics.size*2/Math.sqrt(2))},get xNow(){if(this.xEnd){return this.xStart+this.translationFraction*(this.xEnd-this.xStart)}return this.xStart},get yNow(){if(this.yEnd){return this.yStart+this.translationFraction*(this.yEnd-this.yStart)}return this.yStart},get isMouseDown(){return this.mouseDownStart&&!this.mouseUpStart},resetInteractionState:function(){this.maxRadius=0;this.mouseDownStart=0;this.mouseUpStart=0;this.xStart=0;this.yStart=0;this.xEnd=0;this.yEnd=0;this.slideDistance=0;this.containerMetrics=new ElementMetrics(this.element)},draw:function(){var scale;var translateString;var dx;var dy;this.wave.style.opacity=this.opacity;scale=this.radius/(this.containerMetrics.size/2);dx=this.xNow-this.containerMetrics.width/2;dy=this.yNow-this.containerMetrics.height/2;this.waveContainer.style.webkitTransform="translate("+dx+"px, "+dy+"px)";this.waveContainer.style.transform="translate3d("+dx+"px, "+dy+"px, 0)";this.wave.style.webkitTransform="scale("+scale+","+scale+")";this.wave.style.transform="scale3d("+scale+","+scale+",1)"},downAction:function(event){var xCenter=this.containerMetrics.width/2;var yCenter=this.containerMetrics.height/2;this.resetInteractionState();this.mouseDownStart=Utility.now();if(this.center){this.xStart=xCenter;this.yStart=yCenter;this.slideDistance=Utility.distance(this.xStart,this.yStart,this.xEnd,this.yEnd)}else{this.xStart=event?event.detail.x-this.containerMetrics.boundingRect.left:this.containerMetrics.width/2;this.yStart=event?event.detail.y-this.containerMetrics.boundingRect.top:this.containerMetrics.height/2}if(this.recenters){this.xEnd=xCenter;this.yEnd=yCenter;this.slideDistance=Utility.distance(this.xStart,this.yStart,this.xEnd,this.yEnd)}this.maxRadius=this.containerMetrics.furthestCornerDistanceFrom(this.xStart,this.yStart);this.waveContainer.style.top=(this.containerMetrics.height-this.containerMetrics.size)/2+"px";this.waveContainer.style.left=(this.containerMetrics.width-this.containerMetrics.size)/2+"px";this.waveContainer.style.width=this.containerMetrics.size+"px";this.waveContainer.style.height=this.containerMetrics.size+"px"},upAction:function(event){if(!this.isMouseDown){return}this.mouseUpStart=Utility.now()},remove:function(){Polymer.dom(this.waveContainer.parentNode).removeChild(this.waveContainer)}};Polymer({is:"paper-ripple",behaviors:[Polymer.IronA11yKeysBehavior],properties:{initialOpacity:{type:Number,value:.25},opacityDecayVelocity:{type:Number,value:.8},recenters:{type:Boolean,value:false},center:{type:Boolean,value:false},ripples:{type:Array,value:function(){return[]}},animating:{type:Boolean,readOnly:true,reflectToAttribute:true,value:false},holdDown:{type:Boolean,value:false,observer:"_holdDownChanged"},noink:{type:Boolean,value:false},_animating:{type:Boolean},_boundAnimate:{type:Function,value:function(){return this.animate.bind(this)}}},get target(){return this.keyEventTarget},keyBindings:{"enter:keydown":"_onEnterKeydown","space:keydown":"_onSpaceKeydown","space:keyup":"_onSpaceKeyup"},attached:function(){if(this.parentNode.nodeType==11){this.keyEventTarget=Polymer.dom(this).getOwnerRoot().host}else{this.keyEventTarget=this.parentNode}var keyEventTarget=this.keyEventTarget;this.listen(keyEventTarget,"up","uiUpAction");this.listen(keyEventTarget,"down","uiDownAction")},detached:function(){this.unlisten(this.keyEventTarget,"up","uiUpAction");this.unlisten(this.keyEventTarget,"down","uiDownAction");this.keyEventTarget=null},get shouldKeepAnimating(){for(var index=0;index<this.ripples.length;++index){if(!this.ripples[index].isAnimationComplete){return true}}return false},simulatedRipple:function(){this.downAction(null);this.async(function(){this.upAction()},1)},uiDownAction:function(event){if(!this.noink){this.downAction(event)}},downAction:function(event){if(this.holdDown&&this.ripples.length>0){return}var ripple=this.addRipple();ripple.downAction(event);if(!this._animating){this._animating=true;this.animate()}},uiUpAction:function(event){if(!this.noink){this.upAction(event)}},upAction:function(event){if(this.holdDown){return}this.ripples.forEach(function(ripple){ripple.upAction(event)});this._animating=true;this.animate()},onAnimationComplete:function(){this._animating=false;this.$.background.style.backgroundColor=null;this.fire("transitionend")},addRipple:function(){var ripple=new Ripple(this);Polymer.dom(this.$.waves).appendChild(ripple.waveContainer);this.$.background.style.backgroundColor=ripple.color;this.ripples.push(ripple);this._setAnimating(true);return ripple},removeRipple:function(ripple){var rippleIndex=this.ripples.indexOf(ripple);if(rippleIndex<0){return}this.ripples.splice(rippleIndex,1);ripple.remove();if(!this.ripples.length){this._setAnimating(false)}},animate:function(){if(!this._animating){return}var index;var ripple;for(index=0;index<this.ripples.length;++index){ripple=this.ripples[index];ripple.draw();this.$.background.style.opacity=ripple.outerOpacity;if(ripple.isOpacityFullyDecayed&&!ripple.isRestingAtMaxRadius){this.removeRipple(ripple)}}if(!this.shouldKeepAnimating&&this.ripples.length===0){this.onAnimationComplete()}else{window.requestAnimationFrame(this._boundAnimate)}},_onEnterKeydown:function(){this.uiDownAction();this.async(this.uiUpAction,1)},_onSpaceKeydown:function(){this.uiDownAction()},_onSpaceKeyup:function(){this.uiUpAction()},_holdDownChanged:function(newVal,oldVal){if(oldVal===undefined){return}if(newVal){this.downAction()}else{this.upAction()}}})})();Polymer.PaperRippleBehavior={properties:{noink:{type:Boolean,observer:"_noinkChanged"},_rippleContainer:{type:Object}},_buttonStateChanged:function(){if(this.focused){this.ensureRipple()}},_downHandler:function(event){Polymer.IronButtonStateImpl._downHandler.call(this,event);if(this.pressed){this.ensureRipple(event)}},ensureRipple:function(optTriggeringEvent){if(!this.hasRipple()){this._ripple=this._createRipple();this._ripple.noink=this.noink;var rippleContainer=this._rippleContainer||this.root;if(rippleContainer){Polymer.dom(rippleContainer).appendChild(this._ripple)}if(optTriggeringEvent){var domContainer=Polymer.dom(this._rippleContainer||this);var target=Polymer.dom(optTriggeringEvent).rootTarget;if(domContainer.deepContains(target)){this._ripple.uiDownAction(optTriggeringEvent)}}}},getRipple:function(){this.ensureRipple();return this._ripple},hasRipple:function(){return Boolean(this._ripple)},_createRipple:function(){return document.createElement("paper-ripple")},_noinkChanged:function(noink){if(this.hasRipple()){this._ripple.noink=noink}}};Polymer.PaperButtonBehaviorImpl={properties:{elevation:{type:Number,reflectToAttribute:true,readOnly:true}},observers:["_calculateElevation(focused, disabled, active, pressed, receivedFocusFromKeyboard)","_computeKeyboardClass(receivedFocusFromKeyboard)"],hostAttributes:{role:"button",tabindex:"0",animated:true},_calculateElevation:function(){var e=1;if(this.disabled){e=0}else if(this.active||this.pressed){e=4}else if(this.receivedFocusFromKeyboard){e=3}this._setElevation(e)},_computeKeyboardClass:function(receivedFocusFromKeyboard){this.toggleClass("keyboard-focus",receivedFocusFromKeyboard)},_spaceKeyDownHandler:function(event){Polymer.IronButtonStateImpl._spaceKeyDownHandler.call(this,event);if(this.hasRipple()&&this.getRipple().ripples.length<1){this._ripple.uiDownAction()}},_spaceKeyUpHandler:function(event){Polymer.IronButtonStateImpl._spaceKeyUpHandler.call(this,event);if(this.hasRipple()){this._ripple.uiUpAction()}}};Polymer.PaperButtonBehavior=[Polymer.IronButtonState,Polymer.IronControlState,Polymer.PaperRippleBehavior,Polymer.PaperButtonBehaviorImpl];Polymer({is:"paper-button",behaviors:[Polymer.PaperButtonBehavior],properties:{raised:{type:Boolean,reflectToAttribute:true,value:false,observer:"_calculateElevation"}},_calculateElevation:function(){if(!this.raised){this._setElevation(0)}else{Polymer.PaperButtonBehaviorImpl._calculateElevation.apply(this)}}});Polymer({is:"paper-icon-button-light","extends":"button",behaviors:[Polymer.PaperRippleBehavior],listeners:{down:"_rippleDown",up:"_rippleUp",focus:"_rippleDown",blur:"_rippleUp"},_rippleDown:function(){this.getRipple().downAction()},_rippleUp:function(){this.getRipple().upAction()},ensureRipple:function(var_args){var lastRipple=this._ripple;Polymer.PaperRippleBehavior.ensureRipple.apply(this,arguments);if(this._ripple&&this._ripple!==lastRipple){this._ripple.center=true;this._ripple.classList.add("circle")}}});Polymer.IronRangeBehavior={properties:{value:{type:Number,value:0,notify:true,reflectToAttribute:true},min:{type:Number,value:0,notify:true},max:{type:Number,value:100,notify:true},step:{type:Number,value:1,notify:true},ratio:{type:Number,value:0,readOnly:true,notify:true}},observers:["_update(value, min, max, step)"],_calcRatio:function(value){return(this._clampValue(value)-this.min)/(this.max-this.min)},_clampValue:function(value){return Math.min(this.max,Math.max(this.min,this._calcStep(value)))},_calcStep:function(value){value=parseFloat(value);if(!this.step){return value}var numSteps=Math.round((value-this.min)/this.step);if(this.step<1){return numSteps/(1/this.step)+this.min}else{return numSteps*this.step+this.min}},_validateValue:function(){var v=this._clampValue(this.value);this.value=this.oldValue=isNaN(v)?this.oldValue:v;return this.value!==v},_update:function(){this._validateValue();this._setRatio(this._calcRatio(this.value)*100)}};Polymer({is:"paper-progress",behaviors:[Polymer.IronRangeBehavior],properties:{secondaryProgress:{type:Number,value:0},secondaryRatio:{type:Number,value:0,readOnly:true},indeterminate:{type:Boolean,value:false,observer:"_toggleIndeterminate"},disabled:{type:Boolean,value:false,reflectToAttribute:true,observer:"_disabledChanged"}},observers:["_progressChanged(secondaryProgress, value, min, max)"],hostAttributes:{role:"progressbar"},_toggleIndeterminate:function(indeterminate){this.toggleClass("indeterminate",indeterminate,this.$.primaryProgress)},_transformProgress:function(progress,ratio){var transform="scaleX("+ratio/100+")";progress.style.transform=progress.style.webkitTransform=transform},_mainRatioChanged:function(ratio){this._transformProgress(this.$.primaryProgress,ratio)},_progressChanged:function(secondaryProgress,value,min,max){secondaryProgress=this._clampValue(secondaryProgress);value=this._clampValue(value);var secondaryRatio=this._calcRatio(secondaryProgress)*100;var mainRatio=this._calcRatio(value)*100;this._setSecondaryRatio(secondaryRatio);this._transformProgress(this.$.secondaryProgress,secondaryRatio);this._transformProgress(this.$.primaryProgress,mainRatio);this.secondaryProgress=secondaryProgress;this.setAttribute("aria-valuenow",value);this.setAttribute("aria-valuemin",min);this.setAttribute("aria-valuemax",max)},_disabledChanged:function(disabled){this.setAttribute("aria-disabled",disabled?"true":"false")},_hideSecondaryProgress:function(secondaryRatio){return secondaryRatio===0}});Polymer({is:"iron-iconset-svg",properties:{name:{type:String,observer:"_nameChanged"},size:{type:Number,value:24},rtlMirroring:{type:Boolean,value:false}},_targetIsRTL:function(target){if(target&&target.nodeType!==Node.ELEMENT_NODE){target=target.host}return target&&window.getComputedStyle(target)["direction"]==="rtl"},attached:function(){this.style.display="none"},getIconNames:function(){this._icons=this._createIconMap();return Object.keys(this._icons).map(function(n){return this.name+":"+n},this)},applyIcon:function(element,iconName){element=element.root||element;this.removeIcon(element);var svg=this._cloneIcon(iconName,this.rtlMirroring&&this._targetIsRTL(element));if(svg){var pde=Polymer.dom(element);pde.insertBefore(svg,pde.childNodes[0]);return element._svgIcon=svg}return null},removeIcon:function(element){element=element.root||element;if(element._svgIcon){Polymer.dom(element).removeChild(element._svgIcon);element._svgIcon=null}},_nameChanged:function(){new Polymer.IronMeta({type:"iconset",key:this.name,value:this});this.async(function(){this.fire("iron-iconset-added",this,{node:window})})},_createIconMap:function(){var icons=Object.create(null);Polymer.dom(this).querySelectorAll("[id]").forEach(function(icon){icons[icon.id]=icon});return icons},_cloneIcon:function(id,mirrorAllowed){this._icons=this._icons||this._createIconMap();return this._prepareSvgClone(this._icons[id],this.size,mirrorAllowed)},_prepareSvgClone:function(sourceSvg,size,mirrorAllowed){if(sourceSvg){var content=sourceSvg.cloneNode(true),svg=document.createElementNS("http://www.w3.org/2000/svg","svg"),viewBox=content.getAttribute("viewBox")||"0 0 "+size+" "+size,cssText="pointer-events: none; display: block; width: 100%; height: 100%;";if(mirrorAllowed&&content.hasAttribute("mirror-in-rtl")){cssText+="-webkit-transform:scale(-1,1);transform:scale(-1,1);"}svg.setAttribute("viewBox",viewBox);svg.setAttribute("preserveAspectRatio","xMidYMid meet");svg.style.cssText=cssText;svg.appendChild(content).removeAttribute("id");return svg}return null}});
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
@@ skipping 17 matching lines @@
 // found in the LICENSE file.
 cr.define("downloads",function(){var Toolbar=Polymer({is:"downloads-toolbar",properties:{downloadsShowing:{reflectToAttribute:true,type:Boolean,value:false,observer:"downloadsShowingChanged_"},spinnerActive:{type:Boolean,notify:true}},listeners:{"paper-dropdown-close":"onPaperDropdownClose_","paper-dropdown-open":"onPaperDropdownOpen_"},canUndo:function(){return!this.$.toolbar.getSearchField().isSearchFocused()},canClearAll:function(){return!this.$.toolbar.getSearchField().getValue()&&this.downloadsShowing},onFindCommand:function(){this.$.toolbar.getSearchField().showAndFocus()},closeMoreActions_:function(){this.$.more.close()},downloadsShowingChanged_:function(){this.updateClearAll_()},onClearAllTap_:function(){assert(this.canClearAll());downloads.ActionService.getInstance().clearAll()},onPaperDropdownClose_:function(){window.removeEventListener("resize",assert(this.boundClose_))},onItemBlur_:function(e){var menu=this.$$("paper-menu");if(menu.items.indexOf(e.relatedTarget)>=0)return;this.$.more.restoreFocusOnClose=false;this.closeMoreActions_();this.$.more.restoreFocusOnClose=true},onPaperDropdownOpen_:function(){this.boundClose_=this.boundClose_||this.closeMoreActions_.bind(this);window.addEventListener("resize",this.boundClose_)},onSearchChanged_:function(event){var actionService=downloads.ActionService.getInstance();if(actionService.search(event.detail))this.spinnerActive=actionService.isSearching();this.updateClearAll_()},onOpenDownloadsFolderTap_:function(){downloads.ActionService.getInstance().openDownloadsFolder()},updateClearAll_:function(){this.$$("paper-menu .clear-all").hidden=!this.canClearAll()}});return{Toolbar:Toolbar}});
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 cr.define("downloads",function(){var Manager=Polymer({is:"downloads-manager",properties:{hasDownloads_:{observer:"hasDownloadsChanged_",type:Boolean},hasShadow_:{type:Boolean,value:false,reflectToAttribute:true},inSearchMode_:{type:Boolean,value:false},items_:{type:Array,value:function(){return[]}},spinnerActive_:{type:Boolean,notify:true}},hostAttributes:{loading:true},listeners:{"downloads-list.scroll":"onListScroll_","toolbar.search-changed":"onSearchChanged_"},observers:["itemsChanged_(items_.*)"],clearAll_:function(){this.set("items_",[])},hasDownloadsChanged_:function(){if(loadTimeData.getBoolean("allowDeletingHistory"))this.$.toolbar.downloadsShowing=this.hasDownloads_;if(this.hasDownloads_)this.$["downloads-list"].fire("iron-resize")},insertItems_:function(index,list){this.splice.apply(this,["items_",index,0].concat(list));this.updateHideDates_(index,index+list.length);this.removeAttribute("loading");this.spinnerActive_=false},itemsChanged_:function(){this.hasDownloads_=this.items_.length>0},noDownloadsText_:function(){return loadTimeData.getString(this.inSearchMode_?"noSearchResults":"noDownloads")},onCanExecute_:function(e){e=e;switch(e.command.id){case"undo-command":e.canExecute=this.$.toolbar.canUndo();break;case"clear-all-command":e.canExecute=this.$.toolbar.canClearAll();break;case"find-command":e.canExecute=true;break}},onCommand_:function(e){if(e.command.id=="clear-all-command")downloads.ActionService.getInstance().clearAll();else if(e.command.id=="undo-command")downloads.ActionService.getInstance().undo();else if(e.command.id=="find-command")this.$.toolbar.onFindCommand()},onListScroll_:function(){var list=this.$["downloads-list"];if(list.scrollHeight-list.scrollTop-list.offsetHeight<=100){downloads.ActionService.getInstance().loadMore()}this.hasShadow_=list.scrollTop>0},onLoad_:function(){cr.ui.decorate("command",cr.ui.Command);document.addEventListener("canExecute",this.onCanExecute_.bind(this));document.addEventListener("command",this.onCommand_.bind(this));downloads.ActionService.getInstance().loadMore()},onSearchChanged_:function(){this.inSearchMode_=downloads.ActionService.getInstance().isSearching()},removeItem_:function(index){this.splice("items_",index,1);this.updateHideDates_(index,index);this.onListScroll_()},updateHideDates_:function(start,end){for(var i=start;i<=end;++i){var current=this.items_[i];if(!current)continue;var prev=this.items_[i-1];var hideDate=!!prev&&prev.date_string==current.date_string;this.set("items_."+i+".hideDate",hideDate)}},updateItem_:function(index,data){this.set("items_."+index,data);this.updateHideDates_(index,index);var list=this.$["downloads-list"];list.updateSizeForItem(index)}});Manager.clearAll=function(){Manager.get().clearAll_()};Manager.get=function(){return queryRequiredElement("downloads-manager")};Manager.insertItems=function(index,list){Manager.get().insertItems_(index,list)};Manager.onLoad=function(){Manager.get().onLoad_()};Manager.removeItem=function(index){Manager.get().removeItem_(index)};Manager.updateItem=function(index,data){Manager.get().updateItem_(index,data)};return{Manager:Manager}});
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 window.addEventListener("load",function(){downloads.Manager.onLoad();document.fonts.load("bold 12px Roboto")});