text: 'use strict';module.metadata={'stability':'experimental','engines':{'Firefox':'> 28'}};const{Cu}=require('chrome');const{on,off,emit}=require('../../event/core');const{data}=require('sdk/self');const{isObject,isNil}=require('../../lang/type');const{getMostRecentBrowserWindow}=require('../../window/utils');const{ignoreWindow}=require('../../private-browsing/utils');const{CustomizableUI}=Cu.import('resource:///modules/CustomizableUI.jsm',{});const{AREA_PANEL,AREA_NAVBAR}=CustomizableUI;const{events:viewEvents}=require('./view/events');const XUL_NS='http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul';const views=new Map();const customizedWindows=new WeakMap();const buttonListener={onCustomizeStart:window=>{for(let[id,view]of views){setIcon(id,window,view.icon);setLabel(id,window,view.label);}
  customizedWindows.set(window,true);},onCustomizeEnd:window=>{customizedWindows.delete(window);for(let[id,]of views){let placement=CustomizableUI.getPlacementOfWidget(id);if(placement)
  emit(viewEvents,'data',{type:'update',target:id,window:window});}},onWidgetAfterDOMChange:(node,nextNode,container)=>{let{id}=node;let view=views.get(id);let window=node.ownerDocument.defaultView;if(view){emit(viewEvents,'data',{type:'update',target:id,window:window});}}};CustomizableUI.addListener(buttonListener);require('../../system/unload').when(_=>CustomizableUI.removeListener(buttonListener));function getNode(id,window){return!views.has(id)||ignoreWindow(window)?null:CustomizableUI.getWidget(id).forWindow(window).node};function isInToolbar(id){let placement=CustomizableUI.getPlacementOfWidget(id);return placement&&CustomizableUI.getAreaType(placement.area)==='toolbar';}
  function getImage(icon,isInToolbar,pixelRatio){let targetSize=(isInToolbar?18:32)*pixelRatio;let bestSize=0;let image=icon;if(isObject(icon)){for(let size of Object.keys(icon)){size=+size;let offset=targetSize-size;if(offset===0){bestSize=size;break;}
  let delta=Math.abs(offset)-Math.abs(targetSize-bestSize);if(delta<0)
  bestSize=size;}
  image=icon[bestSize];}
  if(image.indexOf('./')===0)
  return data.url(image.substr(2));return image;}
  function nodeFor(id,window=getMostRecentBrowserWindow()){return customizedWindows.has(window)?null:getNode(id,window);};exports.nodeFor=nodeFor;function create(options){let{id,label,icon,type,badge}=options;if(views.has(id))
  throw new Error('The ID "'+id+'" seems already used.');CustomizableUI.createWidget({id:id,type:'custom',removable:true,defaultArea:AREA_NAVBAR,allowedAreas:[AREA_PANEL,AREA_NAVBAR],onBuild:function(document){let window=document.defaultView;let node=document.createElementNS(XUL_NS,'toolbarbutton');let image=getImage(icon,true,window.devicePixelRatio);if(ignoreWindow(window))
  node.style.display='none';node.setAttribute('id',this.id);node.setAttribute('class','toolbarbutton-1 chromeclass-toolbar-additional badged-button');node.setAttribute('type',type);node.setAttribute('label',label);node.setAttribute('tooltiptext',label);node.setAttribute('image',image);node.setAttribute('sdk-button','true');views.set(id,{area:this.currentArea,icon:icon,label:label});node.addEventListener('command',function(event){if(views.has(id)){emit(viewEvents,'data',{type:'click',target:id,window:event.view,checked:node.checked});}});return node;}});};exports.create=create;function dispose(id){if(!views.has(id))return;views.delete(id);CustomizableUI.destroyWidget(id);}
  exports.dispose=dispose;function setIcon(id,window,icon){let node=getNode(id,window);if(node){icon=customizedWindows.has(window)?views.get(id).icon:icon;let image=getImage(icon,isInToolbar(id),window.devicePixelRatio);node.setAttribute('image',image);}}
  exports.setIcon=setIcon;function setLabel(id,window,label){let node=nodeFor(id,window);if(node){node.setAttribute('label',label);node.setAttribute('tooltiptext',label);}}
  exports.setLabel=setLabel;function setDisabled(id,window,disabled){let node=nodeFor(id,window);if(node)
  node.disabled=disabled;}
  exports.setDisabled=setDisabled;function setChecked(id,window,checked){let node=nodeFor(id,window);if(node)
  node.checked=checked;}
  exports.setChecked=setChecked;function setBadge(id,window,badge,color){let node=nodeFor(id,window);if(node){ let text=isNil(badge)?'':Array.from(String(badge)).slice(0,4).join('');node.setAttribute('badge',text);let badgeNode=node.ownerDocument.getAnonymousElementByAttribute(node,'class','toolbarbutton-badge');if(badgeNode)
  badgeNode.style.backgroundColor=isNil(color)?'':color;}}
  exports.setBadge=setBadge;function click(id){let node=nodeFor(id);if(node)
  node.click();}
  exports.click=click;