;(function(exports){'use strict';var view=new WeakMap();var priv=new WeakMap();var data=new WeakMap();var events=new WeakMap();var relation=new WeakMap();var rdigit=/^\d/;function Recipient(opts){var number;opts=opts||{};this.name=String(opts.name||opts.number||'');this.number=(opts.number||'')+'';this.email=opts.email||'';this.editable=opts.editable||'true';this.role=this.editable?'textbox':'button';this.source=opts.source||'manual';this.type=opts.type||'';this.carrier=opts.carrier||'';this.className='recipient';this.isEmail=Settings.supportEmailRecipient&&Utils.isEmailAddress(this.number);this.isLookupable=opts.isLookupable||false;this.isInvalid=opts.isInvalid||false;this.isQuestionable=opts.isQuestionable||false;number=this.number[0]==='+'?this.number.slice(1):this.number;if(this.isEmail){this.className+=' email';}else if(this.source==='manual'&&!rdigit.test(number)){this.isQuestionable=true;}
if(this.isQuestionable||this.isInvalid){this.className+=' invalid';}}
Recipient.prototype.set=function(dict){var length=Recipient.FIELDS.length;var key;for(var i=0;i<length;i++){key=Recipient.FIELDS[i];this[key]=dict[key];}
return this;};Recipient.prototype.clone=function(){return new Recipient(this);};Recipient.FIELDS=['name','number','email','editable','source','type','carrier','isQuestionable','isInvalid','isLookupable'];function Recipients(setup){if(!setup){throw new Error('`setup` missing');}
if(!setup.template){throw new Error('`setup.template` missing');}
if(!setup.outer){throw new Error('`setup.outer` missing');}
if(!setup.inner){throw new Error('`setup.inner` missing');}
var list=[];Object.defineProperties(this,{length:{get:function(){return list.length;},set:function(value){var oldLength=list.length;list.length=value;if(value<oldLength){this.render();}
return value;}},list:{get:function(){return list.slice();}},numbers:{get:function(){return list.reduce(function(unique,recipient){var value=recipient.number||recipient.email;if(!recipient.isInvalid&&unique.indexOf(value)===-1){unique.push(value);}
return unique;},[]);}},inputValue:{get:function(){var node=document.getElementById(setup.inner).lastElementChild;return(node&&node.isPlaceholder)?node.textContent.trim():'';}}});data.set(this,list);events.set(this,{add:[],remove:[],modechange:[]});view.set(this,new Recipients.View(this,setup));}
Recipients.prototype.on=function(type,handler){var handlers=events.get(this);if(!handlers[type]){throw new Error('Invalid event type: '+type);}
handlers[type].push(handler);return this;};Recipients.prototype.off=function(type,handler){var handlers=events.get(this);if(!handlers[type]){throw new Error('Invalid event type: '+type);}
if(!handler){handlers[type].length=0;}else{handlers[type].splice(handlers[type].indexOf(handler),1);}
return this;};Recipients.prototype.emit=function(type){var handlers=events.get(this);var args=[].slice.call(arguments,1);var handler,stack;if(!handlers[type]){throw new Error('Invalid event type: '+type);}
stack=handlers[type].slice();if(stack.length){while((handler=stack.pop())){handler.apply(null,args);}}
return this;};Recipients.prototype.add=function(entry){var list=data.get(this);var added;if(entry.number===undefined){throw new Error('recipient entry missing number');}
entry.editable=entry.editable||'false';['name','number','email'].forEach(function(field){if(entry[field]){entry[field]=(entry[field]+'').trim();}});list.push(added=new Recipient(entry));this.emit('add',list.length,added.clone());this.render();return this;};Recipients.prototype.update=function(recipOrIndex,entry){var list=data.get(this);var index=typeof recipOrIndex==='number'?recipOrIndex:list.indexOf(recipOrIndex);if(index>-1){list[index].set(new Recipient(entry));}
return this.render();};Recipients.prototype.remove=function(recipOrIndex){var list=data.get(this);var index=typeof recipOrIndex==='number'?recipOrIndex:list.indexOf(recipOrIndex);if(index===-1){return this;}
list.splice(index,1);this.emit('remove',list.length);return this.render(index);};Recipients.prototype.render=function(){view.get(this).reset();return this;};Recipients.prototype.focus=function(){view.get(this).focus();return this;};Recipients.prototype.visible=function(type,opts){view.get(this).visible(type,opts||{});return this;};Recipients.View=function(owner,setup){var inner=document.getElementById(setup.inner);var outer=document.getElementById(setup.outer);var template=setup.template;var nodes=[];var clone;var outerCss=window.getComputedStyle(outer);priv.set(this,{owner:owner,inner:inner,outer:outer,template:template,active:null,nodes:nodes,state:{isTransitioning:false,visible:'singleline'},minHeight:parseInt(outerCss.getPropertyValue('min-height'),10),mode:'singleline-mode'});clone=inner.cloneNode(true);clone.innerHTML=template.interpolate(new Recipient());clone.firstElementChild.innerHTML='';Object.defineProperties(this,{last:{get:function(){return nodes[nodes.length-1];}},placeholder:{get:function(){var node=clone.firstElementChild.cloneNode(true);node.isPlaceholder=true;return node;}}});this.updateMode=Utils.debounce(this.updateMode,100);['click','keypress','keyup','blur','pan'].forEach(function(type){outer.addEventListener(type,this,false);},this);new GestureDetector(outer).startDetecting();this.reset();};Recipients.View.isFocusable=true;Recipients.View.prototype.reset=function(){this.clear().render();return this;};Recipients.View.prototype.clear=function(){priv.get(this).inner.textContent='';return this;};Recipients.View.prototype.render=function(opts){var view=priv.get(this);var nodes=view.nodes;var inner=view.inner;var template=view.template;var list=view.owner.list;var length=list.length;var html='';opts=opts||{};opts.addPlaceholder=opts.addPlaceholder===undefined?true:opts.addPlaceholder;if(inner.textContent){this.clear();}
for(var i=0;i<length;i++){html+=template.interpolate(list[i]);}
if(opts.editable){opts.addPlaceholder=false;html+=template.interpolate(opts.editable);}
if(html){inner.innerHTML=html;}
if(opts.addPlaceholder){inner.appendChild(this.placeholder);}
nodes.length=0;if(!list.length){nodes.push.apply(nodes,inner.children[0]);}else{nodes.push.apply(nodes,inner.children);}
nodes.forEach(function forEachNode(node,i){node.isPlaceholder=false;node.contentEditable=false;node.setAttribute('role','button');if(i===nodes.length-1){node.isPlaceholder=true;node.contentEditable=true;node.setAttribute('role','textbox');}else{relation.set(node,list[i]);}});if(view.state.visible==='singleline'&&nodes.length){inner.querySelector(':last-child').scrollIntoView(false);}
this.updateMode();return this;};Recipients.View.prototype.focus=function(node){var view=priv.get(this);var range=document.createRange();var selection=window.getSelection();if(Recipients.View.isFocusable){if(!node){node=view.inner.lastElementChild;if(!node.isPlaceholder){node=view.inner.appendChild(this.placeholder);}}
if(node&&node.isPlaceholder){node.contentEditable=true;node.focus();}
range.selectNodeContents(node);range.collapse(false);selection.removeAllRanges();selection.addRange(range);view.inner.scrollTop=view.inner.scrollHeight;}
this.updateMode();return this;};Recipients.View.prototype.updateMode=function(){var view=priv.get(this);var mode=view.inner.scrollHeight>view.minHeight?'multiline-mode':'singleline-mode';if(view.mode!==mode){view.mode=mode;if(mode==='singleline-mode'&&view.state.visible==='multiline'){this.visible('singleline',{refocus:this});}
view.owner.emit('modechange',mode);}};var rtype=/^(multi|single)line$/;Recipients.View.prototype.visible=function(type,opts){var view=priv.get(this);var state=view.state;var error='visible "type" (multiline or singleline)';opts=opts||{};if(!type){throw new Error('Missing '+error);}
if(!rtype.test(type)){throw new Error('Invalid '+error);}
if(state.visible!==type){state.isTransitioning=false;}
if(state.isTransitioning){return this;}
if(state.visible===type){return this;}
view.outer.addEventListener('transitionend',function te(){this.removeEventListener('transitionend',te);var last=view.inner.lastElementChild;var previous;if(Navigation.isCurrentPanel('composer')&&state.visible==='singleline'){while(last!==null&&last.isPlaceholder){previous=last.previousElementSibling;if(!last.textContent){last.parentNode.removeChild(last);}
last=previous;}
if(opts.refocus){opts.refocus.focus();}}else if(state.visible==='multiline'&&last!==null){last.scrollIntoView(true);}
state.isTransitioning=false;});state.visible=type;state.isTransitioning=true;view.outer.className=type;view.inner.className=type;return this;};Recipients.View.prototype.handleEvent=function(event){var view=priv.get(this);var owner=view.owner;var isPreventingDefault=false;var isAcceptedRecipient=false;var isEdittingRecipient=false;var isDeletingRecipient=false;var isLookupable=false;var target=event.target;var keyCode=event.keyCode;var editable='false';var lastElement=view.inner.lastElementChild;var typed,recipient,length,previous;Recipients.View.isFocusable=true;if(event.type==='keypress'||event.type==='keyup'){typed=target.textContent.trim();length=typed.length;}
switch(event.type){case'pan':if(view.state.visible==='singleline'&&view.inner.scrollHeight>view.minHeight){if(event.detail.absolute.dy>0){this.visible('multiline');}
event.preventDefault();event.stopPropagation();return;}
break;case'click':if(target.parentNode===view.inner){if(target.isPlaceholder){return;}
typed=lastElement&&lastElement.isPlaceholder?lastElement.textContent.trim():'';if(typed){owner.add({name:typed,number:typed,source:'manual'}).focus();}
recipient=relation.get(target);if(recipient){if(recipient.source==='contacts'){Recipients.View.prompts.remove(recipient,function(isConfirmed){if(isConfirmed){owner.remove(relation.get(target));this.reset();}
Recipients.View.isFocusable=true;this.focus();}.bind(this));}else{isEdittingRecipient=true;typed=recipient.number||recipient.name;editable='true';owner.remove(recipient);target=view.inner.lastElementChild;target.textContent=typed;this.visible('singleline',{refocus:target});}}}else{if(view.state.visible!=='singleline'){this.visible('singleline',{refocus:this});}else{this.focus();}
return;}
break;case'keyup':if(typed&&(typed[length-1]===';'||typed[length-1]===',')){isAcceptedRecipient=true;isPreventingDefault=true;typed=typed.replace(/[;,]$/,'');target.textContent=typed;}
if(!isAcceptedRecipient&&(typed&&typed.length>=1)){this.visible('singleline',{refocus:target});}
if(!typed&&keyCode===event.DOM_VK_BACK_SPACE){isPreventingDefault=true;isDeletingRecipient=true;}
this.updateMode();break;case'keypress':if(keyCode===event.DOM_VK_BACK_SPACE){previous=target.previousSibling;if(!typed&&previous){recipient=relation.get(previous);if(previous.dataset.source==='contacts'){isPreventingDefault=true;isDeletingRecipient=true;view.owner.remove(recipient);}else if(previous.dataset.source==='manual'){isEdittingRecipient=true;isPreventingDefault=true;target=previous;view.inner.removeChild(view.inner.lastElementChild);data.get(view.owner).pop();view.owner.emit('remove',data.get(view.owner).length);}}}
if((keyCode===13||keyCode===event.DOM_VK_ENTER)||(keyCode===event.DOM_VK_TAB)){if(typed){isPreventingDefault=true;if(target.parentNode===view.inner){if(keyCode!==event.DOM_VK_TAB){isAcceptedRecipient=true;isLookupable=true;target.textContent=typed;}}}}
break;}
if(isAcceptedRecipient){if(typed){view.owner.add({name:typed,number:typed,editable:editable,source:'manual',role:editable?'textbox':'button',isLookupable:isLookupable});this.render().focus();}}
if(isDeletingRecipient){this.render().focus();}
if(isEdittingRecipient){target.contentEditable=true;target.setAttribute('role','textbox');target.isPlaceholder=true;this.focus(target);}
if(isPreventingDefault){event.preventDefault();}};Recipients.View.prompts={remove:function(recipient,callback){callback=typeof callback==='function'?callback:()=>{};var bodyTemplate=SharedComponents.phoneDetails({number:recipient.number,type:recipient.type,carrier:recipient.carrier});var title=document.createElement('bdi');title.textContent=recipient.name||recipient.number;Utils.confirm({raw:bodyTemplate.toDocumentFragment()},{raw:title},{text:'remove',className:'danger'}).then(()=>callback(true),()=>callback(false));Recipients.View.isFocusable=false;}};exports.Recipients=Recipients;}(this));