;'use strict';(function(exports){const DB_VERSION=1;const DB_NAME='verticalhome';const DB_ITEM_STORE='items';const DB_SV_APP_STORE_NAME='svAppsInstalled';const DATASTORE_NAME='verticalhome_items_migration';const PREFS_STORE='vertical_preferences_store';var db;var datastore;function sort(entries,order){if(!order||!order.length){return entries;}
var newEntries=[];function isEqual(lookFor,compareWith){if(!compareWith.detail||!lookFor){return false;}
if(compareWith instanceof GaiaGrid.Mozapp){if(!lookFor.manifestURL||!compareWith.detail.manifestURL){return false;}
if(compareWith.detail.entryPoint){return lookFor.manifestURL===compareWith.detail.manifestURL&&lookFor.entry_point===compareWith.detail.entryPoint;}else{return lookFor.manifestURL===compareWith.detail.manifestURL;}}else if(compareWith instanceof GaiaGrid.Bookmark){if(!lookFor.id||!compareWith.detail.id){return false;}
return lookFor.id===compareWith.detail.id;}}
for(var i=0,iLen=order.length;i<iLen;i++){for(var j=0,jLen=order[i].length;j<jLen;j++){var ind=entries.findIndex(isEqual.bind(null,order[i][j]));if(ind>=0){newEntries.push(entries.splice(ind,1)[0]);}}
if(i<iLen-1){newEntries.push(new GaiaGrid.Divider());}}
if(entries.length>0){if(configurator.isSimPresentOnFirstBoot){sortUnclassifiedApps(newEntries,entries);}else{newEntries.push(new GaiaGrid.Divider());newEntries=newEntries.concat(entries);}}
for(i=0,iLen=newEntries.length;i<iLen;i++){if(newEntries[i].detail){newEntries[i].detail.index=i;}}
return newEntries;}
function sortUnclassifiedApps(dstEntries,orgEntries){function compareApps(appA,appB){var svAppA=null;var svAppB=null;if(appA){svAppA=configurator.getSingleVariantApp(appA.detail.manifestURL);}
if(appB){svAppB=configurator.getSingleVariantApp(appB.detail.manifestURL);}
var locA=svAppA&&svAppA.location!==undefined&&svAppA.location||Number.MAX_VALUE;var locB=svAppB&&svAppB.location!==undefined&&svAppB.location||Number.MAX_VALUE;var relPos=locA-locB;return relPos?(relPos>0?1:-1):0;}
orgEntries.sort(compareApps);if(!configurator.getSingleVariantApp(orgEntries[0].detail.manifestURL)){dstEntries.push(new GaiaGrid.Divider());dstEntries=dstEntries.concat(orgEntries);}else{var sepAdded=false;for(var i=0,iLen=orgEntries.length;i<iLen;i++){var app=orgEntries[i];var svApp=configurator.getSingleVariantApp(app.detail.manifestURL);if(!svApp){if(!sepAdded){dstEntries.push(new GaiaGrid.Divider());sepAdded=true;}
dstEntries.push(app);}else{if(svApp.location!==undefined){dstEntries.splice(svApp.location,0,app);}else{dstEntries.push(app);}}}}}
function loadTable(table,indexName,iterator,aNext){newTxn(table,'readonly',function(txn,store){var index=store.index(indexName);index.openCursor().onsuccess=function onsuccess(event){var cursor=event.target.result;if(!cursor){return;}
iterator(cursor.value);cursor.continue();};},aNext);}
function newTxn(storeName,txnType,withTxnAndStore,successCb){var txn=db.transaction([storeName],txnType);var store=txn.objectStore(storeName);txn.oncomplete=function(event){if(successCb){successCb(event);}};txn.onerror=function(event){console.warn('Error during transaction.');};withTxnAndStore(txn,store);}
function ItemStore(onsuccess){var self=this;this.applicationSource=new ApplicationSource(this);this.bookmarkSource=new BookmarkSource(this);this.sources=[this.applicationSource,this.bookmarkSource];this.ready=false;var isEmpty=false;self.gridOrder=null;var request=window.indexedDB.open(DB_NAME,DB_VERSION);request.onupgradeneeded=function _onupgradeneeded(event){var db=event.target.result;var oldVersion=event.oldVersion||0;switch(oldVersion){case 0:var objectStore=db.createObjectStore(DB_ITEM_STORE,{keyPath:'index'});objectStore.createIndex('index','index',{unique:true});isEmpty=true;var objectSV=db.createObjectStore(DB_SV_APP_STORE_NAME,{keyPath:'manifestURL'});objectSV.createIndex('indexSV','indexSV',{unique:true});}};request.onsuccess=function _onsuccess(){onsuccess&&onsuccess(isEmpty);db=request.result;var cb=self.fetch.bind(self,self.synchronize.bind(self));if(isEmpty){window.addEventListener('configuration-ready',function onReady(){window.removeEventListener('configuration-ready',onReady);self.gridOrder=configurator.getGrid();self.populate(cb);});}else{self.initSources(cb);}
navigator.mozSetMessageHandler('connection',self.handleIAC.bind(self));};window.addEventListener('gaiagrid-cached-icons-rendered',this);}
ItemStore.prototype={_renderedOnce:false,_deferredSaveArgs:[],_allItems:[],nextPosition:0,all:function(success){if(!this.ready){window.addEventListener('databaseready',this.all.bind(this,success));return;}
success(this._allItems);},saveTable:function(table,objArr,column,checkPersist,aNext){newTxn(table,'readwrite',function(txn,store){store.clear();for(var i=0,iLen=objArr.length;i<iLen;i++){if(!checkPersist||(checkPersist&&objArr[i].persistToDB)){store.put(column?objArr[i][column]:objArr[i]);}}
if(typeof aNext==='function'){aNext();}});},saveMigrationData:function(objArr,column,checkPersist){return datastore.clear().then(()=>{var chain=[];objArr.forEach((object)=>{if(!checkPersist||object.persistToDB){var data=column?object[column]:object;chain.push(datastore.put(data,data.index+1));}});return Promise.all(chain);});},saveItem:function(object,callback){if(object.index==null){console.error('Attempting to save object without `index`');return;}
newTxn(DB_ITEM_STORE,'readwrite',function(txn,store){store.put(object);},callback);},deferredSave:function(){var args=Array.slice(arguments);if(this._renderedOnce){return this.save.apply(this,args);}
this._deferredSaveArgs=args;},save:function(entries,aNext){entries=sort(entries,this.gridOrder);this.gridOrder=null;this.saveTable(DB_ITEM_STORE,entries,'detail',true,aNext);},savePrevInstalledSvApp:function(svApps,aNext){this.saveTable(DB_SV_APP_STORE_NAME,svApps,null,false,aNext);},fetch:function(callback){var cached={};var collected=[];function iterator(value){collected.push(value);}
function iteratorSV(value){this.applicationSource.addPreviouslyInstalledSvApp(value.manifestURL);}
loadTable(DB_SV_APP_STORE_NAME,'indexSV',iteratorSV.bind(this));loadTable(DB_ITEM_STORE,'index',iterator,finish.bind(this));function addIfUnique(item){if(!cached[item.identifier]){cached[item.identifier]=true;this._allItems.push(item);}}
function finish(){for(var i=0,iLen=collected.length;i<iLen;i++){var thisItem=collected[i];if(thisItem.type==='app'){var itemObj=this.applicationSource.mapToApp(thisItem);addIfUnique.call(this,itemObj);}else if(thisItem.type==='divider'){var divider=new GaiaGrid.Divider(thisItem);this._allItems.push(divider);}else if(thisItem.type==='bookmark'){var bookmark=new GaiaGrid.Bookmark(thisItem);addIfUnique.call(this,bookmark);}}
this.notifyReady();if(callback&&typeof callback==='function'){callback();}}},synchronize:function(){this.sources.forEach(function eachSource(source){source.synchronize();});},initSources:function(callback){var pending=this.sources.length;var allEntries=[];var self=this;var current=0;function handleSource(){var source=self.sources[current];current++;source.populate(next);}
handleSource();function next(entries){allEntries=allEntries.concat(entries);if(!(--pending)){callback(allEntries);}else{handleSource();}}},populate:function(callback){this.initSources(function(entries){this.deferredSave(entries,callback);}.bind(this));},notifyReady:function(){this.ready=true;dispatchEvent(new CustomEvent('databaseready'));},getNextPosition:function(){var nextPosition=this.nextPosition;this.nextPosition++;return nextPosition;},handleIAC:function(connectionRequest){if(connectionRequest.keyword!=='verticalhome-migrate'){return;}
var port=connectionRequest.port;port.onmessage=(event)=>{if(event.data.action!=='migrate'){console.error('Unhandled migration action requested:',event.data.action);return;}
this.migrate(event.data.manifestURL);};port.start();},migrate:function(manifestURL){this.migratingTo=manifestURL;console.info('verticalhome migrating to '+this.migratingTo);if(this.migrating){return;}
this.migrating=true;(datastore?Promise.resolve():navigator.getDataStores(DATASTORE_NAME).then(stores=>{datastore=stores[0];return Promise.resolve();},(e)=>{return Promise.reject(e);})).then(()=>{this.all(entries=>{this.saveMigrationData(entries,'detail',true).then(()=>{this.migrating=false;window.navigator.mozSettings.createLock().set({'homescreen.manifestURL':this.migratingTo});navigator.getDataStores(PREFS_STORE).then(stores=>{if(stores.length<1){console.error('Error opening verticalhome prefs datastore');return;}
stores[0].put('migrated',true).then(()=>{window.close();},e=>{console.error('Error storing migration pref',e);window.close();});});});});},e=>{console.error('Error retrieving datastore',e);});},handleEvent:function(e){switch(e.type){case'gaiagrid-cached-icons-rendered':this._renderedOnce=true;window.removeEventListener('gaiagrid-cached-icons-rendered',this);if(this._deferredSaveArgs.length){this.save.apply(this,this._deferredSaveArgs);}
break;}}};exports.ItemStore=ItemStore;}(window));