3 lines
27 KiB
JavaScript
3 lines
27 KiB
JavaScript
/*! IndexedDBShim - v0.1.2 - 2014-06-14 */
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"use strict";var idbModules={},cleanInterface=!1;(function(){var e={test:!0};if(Object.defineProperty)try{Object.defineProperty(e,"test",{enumerable:!1}),e.test&&(cleanInterface=!0)}catch(t){}})(),function(e){function t(e,t,n,o){n.target=t,"function"==typeof t[e]&&t[e].apply(t,[n]),"function"==typeof o&&o()}function n(t,n,o){var r=new DOMException.prototype.constructor(0,n);throw r.name=t,r.message=n,e.DEBUG&&(console.log(t,n,o,r),console.trace&&console.trace()),r}var o=function(){this.length=0,this._items=[],cleanInterface&&Object.defineProperty(this,"_items",{enumerable:!1})};if(o.prototype={contains:function(e){return-1!==this._items.indexOf(e)},item:function(e){return this._items[e]},indexOf:function(e){return this._items.indexOf(e)},push:function(e){this._items.push(e),this.length+=1;for(var t=0;this._items.length>t;t++)this[t]=this._items[t]},splice:function(){this._items.splice.apply(this._items,arguments),this.length=this._items.length;for(var e in this)e===parseInt(e,10)+""&&delete this[e];for(e=0;this._items.length>e;e++)this[e]=this._items[e]}},cleanInterface)for(var r in{indexOf:!1,push:!1,splice:!1})Object.defineProperty(o.prototype,r,{enumerable:!1});e.util={throwDOMException:n,callback:t,quote:function(e){return"'"+e+"'"},StringList:o}}(idbModules),function(idbModules){var Sca=function(){return{decycle:function(object,callback){function checkForCompletion(){0===queuedObjects.length&&returnCallback(derezObj)}function readBlobAsDataURL(e,t){var n=new FileReader;n.onloadend=function(e){var n=e.target.result,o="blob";updateEncodedBlob(n,t,o)},n.readAsDataURL(e)}function updateEncodedBlob(dataURL,path,blobtype){var encoded=queuedObjects.indexOf(path);path=path.replace("$","derezObj"),eval(path+'.$enc="'+dataURL+'"'),eval(path+'.$type="'+blobtype+'"'),queuedObjects.splice(encoded,1),checkForCompletion()}function derez(e,t){var n,o,r;if(!("object"!=typeof e||null===e||e instanceof Boolean||e instanceof Date||e instanceof Number||e instanceof RegExp||e instanceof Blob||e instanceof String)){for(n=0;objects.length>n;n+=1)if(objects[n]===e)return{$ref:paths[n]};if(objects.push(e),paths.push(t),"[object Array]"===Object.prototype.toString.apply(e))for(r=[],n=0;e.length>n;n+=1)r[n]=derez(e[n],t+"["+n+"]");else{r={};for(o in e)Object.prototype.hasOwnProperty.call(e,o)&&(r[o]=derez(e[o],t+"["+JSON.stringify(o)+"]"))}return r}return e instanceof Blob?(queuedObjects.push(t),readBlobAsDataURL(e,t)):e instanceof Boolean?e={$type:"bool",$enc:""+e}:e instanceof Date?e={$type:"date",$enc:e.getTime()}:e instanceof Number?e={$type:"num",$enc:""+e}:e instanceof RegExp&&(e={$type:"regex",$enc:""+e}),e}var objects=[],paths=[],queuedObjects=[],returnCallback=callback,derezObj=derez(object,"$");checkForCompletion()},retrocycle:function retrocycle($){function dataURLToBlob(e){var t,n,o,r=";base64,";if(-1===e.indexOf(r))return n=e.split(","),t=n[0].split(":")[1],o=n[1],new Blob([o],{type:t});n=e.split(r),t=n[0].split(":")[1],o=window.atob(n[1]);for(var i=o.length,a=new Uint8Array(i),s=0;i>s;++s)a[s]=o.charCodeAt(s);return new Blob([a.buffer],{type:t})}function rez(value){var i,item,name,path;if(value&&"object"==typeof value)if("[object Array]"===Object.prototype.toString.apply(value))for(i=0;value.length>i;i+=1)item=value[i],item&&"object"==typeof item&&(path=item.$ref,value[i]="string"==typeof path&&px.test(path)?eval(path):rez(item));else if(void 0!==value.$type)switch(value.$type){case"blob":case"file":value=dataURLToBlob(value.$enc);break;case"bool":value=Boolean("true"===value.$enc);break;case"date":value=new Date(value.$enc);break;case"num":value=Number(value.$enc);break;case"regex":value=eval(value.$enc)}else for(name in value)"object"==typeof value[name]&&(item=value[name],item&&(path=item.$ref,value[name]="string"==typeof path&&px.test(path)?eval(path):rez(item)));return value}var px=/^\$(?:\[(?:\d+|\"(?:[^\\\"\u0000-\u001f]|\\([\\\"\/bfnrt]|u[0-9a-zA-Z]{4}))*\")\])*$/;return rez($),$},encode:function(e,t){function n(e){t(JSON.stringify(e))}this.decycle(e,n)},decode:function(e){return this.retrocycle(JSON.parse(e))}}}();idbModules.Sca=Sca}(idbModules),function(e){var t=["","number","string","boolean","object","undefined"],n=function(){return{encode:function(e){return t.indexOf(typeof e)+"-"+JSON.stringify(e)},decode:function(e){return e===void 0?void 0:JSON.parse(e.substring(2))}}},o={number:n("number"),"boolean":n(),object:n(),string:{encode:function(e){return t.indexOf("string")+"-"+e},decode:function(e){return""+e.substring(2)}},undefined:{encode:function(){return t.indexOf("undefined")+"-undefined"},decode:function(){return void 0}}},r=function(){return{encode:function(e){return o[typeof e].encode(e)},decode:function(e){return o[t[e.substring(0,1)]].decode(e)}}}();e.Key=r}(idbModules),function(e){var t=function(e,t){return{type:e,debug:t,bubbles:!1,cancelable:!1,eventPhase:0,timeStamp:new Date}};e.Event=t}(idbModules),function(e){var t=function(){this.onsuccess=this.onerror=this.result=this.error=this.source=this.transaction=null,this.readyState="pending"},n=function(){this.onblocked=this.onupgradeneeded=null};n.prototype=t,e.IDBRequest=t,e.IDBOpenRequest=n}(idbModules),function(e,t){var n=function(e,t,n,o){this.lower=e,this.upper=t,this.lowerOpen=n,this.upperOpen=o};n.only=function(e){return new n(e,e,!1,!1)},n.lowerBound=function(e,o){return new n(e,t,o,t)},n.upperBound=function(e){return new n(t,e,t,open)},n.bound=function(e,t,o,r){return new n(e,t,o,r)},e.IDBKeyRange=n}(idbModules),function(e,t){function n(n,o,r,i,a,s){this.__range=n,this.source=this.__idbObjectStore=r,this.__req=i,this.key=t,this.direction=o,this.__keyColumnName=a,this.__valueColumnName=s,this.__valueDecoder="value"===s?e.Sca:e.Key,this.source.transaction.__active||e.util.throwDOMException("TransactionInactiveError - The transaction this IDBObjectStore belongs to is not active."),this.__offset=-1,this.__lastKeyContinued=t,this["continue"]()}n.prototype.__find=function(n,o,r,i,a){a=a||1;var s=this,c=["SELECT * FROM ",e.util.quote(s.__idbObjectStore.name)],u=[];c.push("WHERE ",s.__keyColumnName," NOT NULL"),s.__range&&(s.__range.lower||s.__range.upper)&&(c.push("AND"),s.__range.lower&&(c.push(s.__keyColumnName+(s.__range.lowerOpen?" >":" >= ")+" ?"),u.push(e.Key.encode(s.__range.lower))),s.__range.lower&&s.__range.upper&&c.push("AND"),s.__range.upper&&(c.push(s.__keyColumnName+(s.__range.upperOpen?" < ":" <= ")+" ?"),u.push(e.Key.encode(s.__range.upper)))),n!==t&&(s.__lastKeyContinued=n,s.__offset=0),s.__lastKeyContinued!==t&&(c.push("AND "+s.__keyColumnName+" >= ?"),u.push(e.Key.encode(s.__lastKeyContinued))),c.push("ORDER BY ",s.__keyColumnName),c.push("LIMIT "+a+" OFFSET "+s.__offset),e.DEBUG&&console.log(c.join(" "),u),s.__prefetchedData=null,o.executeSql(c.join(" "),u,function(n,o){o.rows.length>1?(s.__prefetchedData=o.rows,s.__prefetchedIndex=0,e.DEBUG&&console.log("Preloaded "+s.__prefetchedData.length+" records for cursor"),s.__decode(o.rows.item(0),r)):1===o.rows.length?s.__decode(o.rows.item(0),r):(e.DEBUG&&console.log("Reached end of cursors"),r(t,t))},function(t,n){e.DEBUG&&console.log("Could not execute Cursor.continue"),i(n)})},n.prototype.__decode=function(t,n){var o=e.Key.decode(t[this.__keyColumnName]),r=this.__valueDecoder.decode(t[this.__valueColumnName]),i=e.Key.decode(t.key);n(o,r,i)},n.prototype["continue"]=function(n){var o=e.cursorPreloadPackSize||100,r=this;this.__idbObjectStore.transaction.__addToTransactionQueue(function(e,i,a,s){r.__offset++;var c=function(e,n,o){r.key=e,r.value=n,r.primaryKey=o,a(r.key!==t?r:t,r.__req)};return r.__prefetchedData&&(r.__prefetchedIndex++,r.__prefetchedIndex<r.__prefetchedData.length)?(r.__decode(r.__prefetchedData.item(r.__prefetchedIndex),c),t):(r.__find(n,e,c,s,o),t)})},n.prototype.advance=function(n){0>=n&&e.util.throwDOMException("Type Error - Count is invalid - 0 or negative",n);var o=this;this.__idbObjectStore.transaction.__addToTransactionQueue(function(e,r,i,a){o.__offset+=n,o.__find(t,e,function(e,n){o.key=e,o.value=n,i(o.key!==t?o:t,o.__req)},a)})},n.prototype.update=function(n){var o=this,r=this.__idbObjectStore.transaction.__createRequest(function(){});return e.Sca.encode(n,function(n){o.__idbObjectStore.transaction.__pushToQueue(r,function(r,i,a,s){o.__find(t,r,function(t,i,c){var u="UPDATE "+e.util.quote(o.__idbObjectStore.name)+" SET value = ? WHERE key = ?";e.DEBUG&&console.log(u,n,t,c),r.executeSql(u,[n,e.Key.encode(c)],function(e,n){1===n.rowsAffected?a(t):s("No rows with key found"+t)},function(e,t){s(t)})},s)})}),r},n.prototype["delete"]=function(){var n=this;return this.__idbObjectStore.transaction.__addToTransactionQueue(function(o,r,i,a){n.__find(t,o,function(r,s,c){var u="DELETE FROM "+e.util.quote(n.__idbObjectStore.name)+" WHERE key = ?";e.DEBUG&&console.log(u,r,c),o.executeSql(u,[e.Key.encode(c)],function(e,o){1===o.rowsAffected?(n.__offset--,i(t)):a("No rows with key found"+r)},function(e,t){a(t)})},a)})},e.IDBCursor=n}(idbModules),function(idbModules,undefined){function IDBIndex(e,t){this.indexName=this.name=e,this.__idbObjectStore=this.objectStore=this.source=t;var n=t.__storeProps&&t.__storeProps.indexList;n&&(n=JSON.parse(n)),this.keyPath=n&&n[e]&&n[e].keyPath||e,["multiEntry","unique"].forEach(function(t){this[t]=!!(n&&n[e]&&n[e].optionalParams&&n[e].optionalParams[t])},this)}IDBIndex.prototype.__createIndex=function(indexName,keyPath,optionalParameters){var me=this,transaction=me.__idbObjectStore.transaction;transaction.__addToTransactionQueue(function(tx,args,success,failure){me.__idbObjectStore.__getStoreProps(tx,function(){function error(){idbModules.util.throwDOMException(0,"Could not create new index",arguments)}2!==transaction.mode&&idbModules.util.throwDOMException(0,"Invalid State error, not a version transaction",me.transaction);var idxList=JSON.parse(me.__idbObjectStore.__storeProps.indexList);idxList[indexName]!==undefined&&idbModules.util.throwDOMException(0,"Index already exists on store",idxList);var columnName=indexName;idxList[indexName]={columnName:columnName,keyPath:keyPath,optionalParams:optionalParameters},me.__idbObjectStore.__storeProps.indexList=JSON.stringify(idxList);var sql=["ALTER TABLE",idbModules.util.quote(me.__idbObjectStore.name),"ADD",columnName,"BLOB"].join(" ");idbModules.DEBUG&&console.log(sql),tx.executeSql(sql,[],function(tx,data){tx.executeSql("SELECT * FROM "+idbModules.util.quote(me.__idbObjectStore.name),[],function(tx,data){(function initIndexForRow(i){if(data.rows.length>i)try{var value=idbModules.Sca.decode(data.rows.item(i).value),indexKey=eval("value['"+keyPath+"']");tx.executeSql("UPDATE "+idbModules.util.quote(me.__idbObjectStore.name)+" set "+columnName+" = ? where key = ?",[idbModules.Key.encode(indexKey),data.rows.item(i).key],function(){initIndexForRow(i+1)},error)}catch(e){initIndexForRow(i+1)}else idbModules.DEBUG&&console.log("Updating the indexes in table",me.__idbObjectStore.__storeProps),tx.executeSql("UPDATE __sys__ set indexList = ? where name = ?",[me.__idbObjectStore.__storeProps.indexList,me.__idbObjectStore.name],function(){me.__idbObjectStore.__setReadyState("createIndex",!0),success(me)},error)})(0)},error)},error)},"createObjectStore")})},IDBIndex.prototype.openCursor=function(e,t){var n=new idbModules.IDBRequest;return new idbModules.IDBCursor(e,t,this.source,n,this.indexName,"value"),n},IDBIndex.prototype.openKeyCursor=function(e,t){var n=new idbModules.IDBRequest;return new idbModules.IDBCursor(e,t,this.source,n,this.indexName,"key"),n},IDBIndex.prototype.__fetchIndexData=function(e,t){var n=this;return n.__idbObjectStore.transaction.__addToTransactionQueue(function(o,r,i,a){var s=["SELECT * FROM ",idbModules.util.quote(n.__idbObjectStore.name)," WHERE",n.indexName,"NOT NULL"],c=[];e!==undefined&&(s.push("AND",n.indexName," = ?"),c.push(idbModules.Key.encode(e))),idbModules.DEBUG&&console.log("Trying to fetch data for Index",s.join(" "),c),o.executeSql(s.join(" "),c,function(e,n){var o;o="count"===t?n.rows.length:0===n.rows.length?undefined:"key"===t?idbModules.Key.decode(n.rows.item(0).key):idbModules.Sca.decode(n.rows.item(0).value),i(o)},a)})},IDBIndex.prototype.get=function(e){return this.__fetchIndexData(e,"value")},IDBIndex.prototype.getKey=function(e){return this.__fetchIndexData(e,"key")},IDBIndex.prototype.count=function(e){return this.__fetchIndexData(e,"count")},idbModules.IDBIndex=IDBIndex}(idbModules),function(idbModules){var IDBObjectStore=function(e,t,n){this.name=e,this.transaction=t,this.__ready={},this.__setReadyState("createObjectStore",n===void 0?!0:n),this.indexNames=new idbModules.util.StringList};IDBObjectStore.prototype.__setReadyState=function(e,t){this.__ready[e]=t},IDBObjectStore.prototype.__waitForReady=function(e,t){var n=!0;if(t!==void 0)n=this.__ready[t]===void 0?!0:this.__ready[t];else for(var o in this.__ready)this.__ready[o]||(n=!1);if(n)e();else{idbModules.DEBUG&&console.log("Waiting for to be ready",t);var r=this;window.setTimeout(function(){r.__waitForReady(e,t)},100)}},IDBObjectStore.prototype.__getStoreProps=function(e,t,n){var o=this;this.__waitForReady(function(){o.__storeProps?(idbModules.DEBUG&&console.log("Store properties - cached",o.__storeProps),t(o.__storeProps)):e.executeSql("SELECT * FROM __sys__ where name = ?",[o.name],function(e,n){1!==n.rows.length?t():(o.__storeProps={name:n.rows.item(0).name,indexList:n.rows.item(0).indexList,autoInc:n.rows.item(0).autoInc,keyPath:n.rows.item(0).keyPath},idbModules.DEBUG&&console.log("Store properties",o.__storeProps),t(o.__storeProps))},function(){t()})},n)},IDBObjectStore.prototype.__deriveKey=function(tx,value,key,callback){function getNextAutoIncKey(){tx.executeSql("SELECT * FROM sqlite_sequence where name like ?",[me.name],function(e,t){1!==t.rows.length?callback(0):callback(t.rows.item(0).seq)},function(e,t){idbModules.util.throwDOMException(0,"Data Error - Could not get the auto increment value for key",t)})}var me=this;me.__getStoreProps(tx,function(props){if(props||idbModules.util.throwDOMException(0,"Data Error - Could not locate defination for this table",props),props.keyPath)if(key!==void 0&&idbModules.util.throwDOMException(0,"Data Error - The object store uses in-line keys and the key parameter was provided",props),value)try{var primaryKey=eval("value['"+props.keyPath+"']");primaryKey?callback(primaryKey):"true"===props.autoInc?getNextAutoIncKey():idbModules.util.throwDOMException(0,"Data Error - Could not eval key from keyPath")}catch(e){idbModules.util.throwDOMException(0,"Data Error - Could not eval key from keyPath",e)}else idbModules.util.throwDOMException(0,"Data Error - KeyPath was specified, but value was not");else key!==void 0?callback(key):"false"===props.autoInc?idbModules.util.throwDOMException(0,"Data Error - The object store uses out-of-line keys and has no key generator and the key parameter was not provided. ",props):getNextAutoIncKey()})},IDBObjectStore.prototype.__insertData=function(tx,encoded,value,primaryKey,success,error){var paramMap={};primaryKey!==void 0&&(paramMap.key=idbModules.Key.encode(primaryKey));var indexes=JSON.parse(this.__storeProps.indexList);for(var key in indexes)try{paramMap[indexes[key].columnName]=idbModules.Key.encode(eval("value['"+indexes[key].keyPath+"']"))}catch(e){error(e)}var sqlStart=["INSERT INTO ",idbModules.util.quote(this.name),"("],sqlEnd=[" VALUES ("],sqlValues=[];for(key in paramMap)sqlStart.push(key+","),sqlEnd.push("?,"),sqlValues.push(paramMap[key]);sqlStart.push("value )"),sqlEnd.push("?)"),sqlValues.push(encoded);var sql=sqlStart.join(" ")+sqlEnd.join(" ");idbModules.DEBUG&&console.log("SQL for adding",sql,sqlValues),tx.executeSql(sql,sqlValues,function(){success(primaryKey)},function(e,t){error(t)})},IDBObjectStore.prototype.add=function(e,t){var n=this,o=n.transaction.__createRequest(function(){});return idbModules.Sca.encode(e,function(r){n.transaction.__pushToQueue(o,function(o,i,a,s){n.__deriveKey(o,e,t,function(t){n.__insertData(o,r,e,t,a,s)})})}),o},IDBObjectStore.prototype.put=function(e,t){var n=this,o=n.transaction.__createRequest(function(){});return idbModules.Sca.encode(e,function(r){n.transaction.__pushToQueue(o,function(o,i,a,s){n.__deriveKey(o,e,t,function(t){var i="DELETE FROM "+idbModules.util.quote(n.name)+" where key = ?";o.executeSql(i,[idbModules.Key.encode(t)],function(o,i){idbModules.DEBUG&&console.log("Did the row with the",t,"exist? ",i.rowsAffected),n.__insertData(o,r,e,t,a,s)},function(e,t){s(t)})})})}),o},IDBObjectStore.prototype.get=function(e){var t=this;return t.transaction.__addToTransactionQueue(function(n,o,r,i){t.__waitForReady(function(){var o=idbModules.Key.encode(e);idbModules.DEBUG&&console.log("Fetching",t.name,o),n.executeSql("SELECT * FROM "+idbModules.util.quote(t.name)+" where key = ?",[o],function(e,t){idbModules.DEBUG&&console.log("Fetched data",t);try{if(0===t.rows.length)return r();r(idbModules.Sca.decode(t.rows.item(0).value))}catch(n){idbModules.DEBUG&&console.log(n),r(void 0)}},function(e,t){i(t)})})})},IDBObjectStore.prototype["delete"]=function(e){var t=this;return t.transaction.__addToTransactionQueue(function(n,o,r,i){t.__waitForReady(function(){var o=idbModules.Key.encode(e);idbModules.DEBUG&&console.log("Fetching",t.name,o),n.executeSql("DELETE FROM "+idbModules.util.quote(t.name)+" where key = ?",[o],function(e,t){idbModules.DEBUG&&console.log("Deleted from database",t.rowsAffected),r()},function(e,t){i(t)})})})},IDBObjectStore.prototype.clear=function(){var e=this;return e.transaction.__addToTransactionQueue(function(t,n,o,r){e.__waitForReady(function(){t.executeSql("DELETE FROM "+idbModules.util.quote(e.name),[],function(e,t){idbModules.DEBUG&&console.log("Cleared all records from database",t.rowsAffected),o()},function(e,t){r(t)})})})},IDBObjectStore.prototype.count=function(e){var t=this;return t.transaction.__addToTransactionQueue(function(n,o,r,i){t.__waitForReady(function(){var o="SELECT * FROM "+idbModules.util.quote(t.name)+(e!==void 0?" WHERE key = ?":""),a=[];e!==void 0&&a.push(idbModules.Key.encode(e)),n.executeSql(o,a,function(e,t){r(t.rows.length)},function(e,t){i(t)})})})},IDBObjectStore.prototype.openCursor=function(e,t){var n=new idbModules.IDBRequest;return new idbModules.IDBCursor(e,t,this,n,"key","value"),n},IDBObjectStore.prototype.index=function(e){var t=new idbModules.IDBIndex(e,this);return t},IDBObjectStore.prototype.createIndex=function(e,t,n){var o=this;n=n||{},o.__setReadyState("createIndex",!1);var r=new idbModules.IDBIndex(e,o);return o.__waitForReady(function(){r.__createIndex(e,t,n)},"createObjectStore"),o.indexNames.push(e),r},IDBObjectStore.prototype.deleteIndex=function(e){var t=new idbModules.IDBIndex(e,this,!1);return t.__deleteIndex(e),t},idbModules.IDBObjectStore=IDBObjectStore}(idbModules),function(e){var t=0,n=1,o=2,r=function(o,r,i){if("number"==typeof r)this.mode=r,2!==r&&e.DEBUG&&console.log("Mode should be a string, but was specified as ",r);else if("string"==typeof r)switch(r){case"readwrite":this.mode=n;break;case"readonly":this.mode=t;break;default:this.mode=t}this.storeNames="string"==typeof o?[o]:o;for(var a=0;this.storeNames.length>a;a++)i.objectStoreNames.contains(this.storeNames[a])||e.util.throwDOMException(0,"The operation failed because the requested database object could not be found. For example, an object store did not exist but was being opened.",this.storeNames[a]);this.__active=!0,this.__running=!1,this.__requests=[],this.__aborted=!1,this.db=i,this.error=null,this.onabort=this.onerror=this.oncomplete=null};r.prototype.__executeRequests=function(){if(this.__running&&this.mode!==o)return e.DEBUG&&console.log("Looks like the request set is already running",this.mode),void 0;this.__running=!0;var t=this;window.setTimeout(function(){2===t.mode||t.__active||e.util.throwDOMException(0,"A request was placed against a transaction which is currently not active, or which is finished",t.__active),t.db.__db.transaction(function(n){function o(t,n){n&&(a.req=n),a.req.readyState="done",a.req.result=t,delete a.req.error;var o=e.Event("success");e.util.callback("onsuccess",a.req,o),s++,i()}function r(){a.req.readyState="done",a.req.error="DOMError";var t=e.Event("error",arguments);e.util.callback("onerror",a.req,t),s++,i()}function i(){return s>=t.__requests.length?(t.__active=!1,t.__requests=[],void 0):(a=t.__requests[s],a.op(n,a.args,o,r),void 0)}t.__tx=n;var a=null,s=0;try{i()}catch(c){e.DEBUG&&console.log("An exception occured in transaction",arguments),"function"==typeof t.onerror&&t.onerror()}},function(){e.DEBUG&&console.log("An error in transaction",arguments),"function"==typeof t.onerror&&t.onerror()},function(){e.DEBUG&&console.log("Transaction completed",arguments),"function"==typeof t.oncomplete&&t.oncomplete()})},1)},r.prototype.__addToTransactionQueue=function(t,n){this.__active||this.mode===o||e.util.throwDOMException(0,"A request was placed against a transaction which is currently not active, or which is finished.",this.__mode);var r=this.__createRequest();return this.__pushToQueue(r,t,n),r},r.prototype.__createRequest=function(){var t=new e.IDBRequest;return t.source=this.db,t.transaction=this,t},r.prototype.__pushToQueue=function(e,t,n){this.__requests.push({op:t,args:n,req:e}),this.__executeRequests()},r.prototype.objectStore=function(t){return new e.IDBObjectStore(t,this)},r.prototype.abort=function(){!this.__active&&e.util.throwDOMException(0,"A request was placed against a transaction which is currently not active, or which is finished",this.__active)},r.prototype.READ_ONLY=0,r.prototype.READ_WRITE=1,r.prototype.VERSION_CHANGE=2,e.IDBTransaction=r}(idbModules),function(e){var t=function(t,n,o,r){this.__db=t,this.version=o,this.__storeProperties=r,this.objectStoreNames=new e.util.StringList;for(var i=0;r.rows.length>i;i++)this.objectStoreNames.push(r.rows.item(i).name);this.name=n,this.onabort=this.onerror=this.onversionchange=null};t.prototype.createObjectStore=function(t,n){var o=this;n=n||{},n.keyPath=n.keyPath||null;var r=new e.IDBObjectStore(t,o.__versionTransaction,!1),i=o.__versionTransaction;return i.__addToTransactionQueue(function(i,a,s){function c(){e.util.throwDOMException(0,"Could not create new object store",arguments)}o.__versionTransaction||e.util.throwDOMException(0,"Invalid State error",o.transaction);var u=["CREATE TABLE",e.util.quote(t),"(key BLOB",n.autoIncrement?", inc INTEGER PRIMARY KEY AUTOINCREMENT":"PRIMARY KEY",", value BLOB)"].join(" ");e.DEBUG&&console.log(u),i.executeSql(u,[],function(e){e.executeSql("INSERT INTO __sys__ VALUES (?,?,?,?)",[t,n.keyPath,n.autoIncrement?!0:!1,"{}"],function(){r.__setReadyState("createObjectStore",!0),s(r)},c)},c)}),o.objectStoreNames.push(t),r},t.prototype.deleteObjectStore=function(t){var n=function(){e.util.throwDOMException(0,"Could not delete ObjectStore",arguments)},o=this;!o.objectStoreNames.contains(t)&&n("Object Store does not exist"),o.objectStoreNames.splice(o.objectStoreNames.indexOf(t),1);var r=o.__versionTransaction;r.__addToTransactionQueue(function(){o.__versionTransaction||e.util.throwDOMException(0,"Invalid State error",o.transaction),o.__db.transaction(function(o){o.executeSql("SELECT * FROM __sys__ where name = ?",[t],function(o,r){r.rows.length>0&&o.executeSql("DROP TABLE "+e.util.quote(t),[],function(){o.executeSql("DELETE FROM __sys__ WHERE name = ?",[t],function(){},n)},n)})})})},t.prototype.close=function(){},t.prototype.transaction=function(t,n){var o=new e.IDBTransaction(t,n||1,this);return o},e.IDBDatabase=t}(idbModules),function(e){var t=4194304;if(window.openDatabase){var n=window.openDatabase("__sysdb__",1,"System Database",t);n.transaction(function(t){t.executeSql("SELECT * FROM dbVersions",[],function(){},function(){n.transaction(function(t){t.executeSql("CREATE TABLE IF NOT EXISTS dbVersions (name VARCHAR(255), version INT);",[],function(){},function(){e.util.throwDOMException("Could not create table __sysdb__ to save DB versions")})})})},function(){e.DEBUG&&console.log("Error in sysdb transaction - when selecting from dbVersions",arguments)});var o={open:function(o,r){function i(){if(!c){var t=e.Event("error",arguments);s.readyState="done",s.error="DOMError",e.util.callback("onerror",s,t),c=!0}}function a(a){var c=window.openDatabase(o,1,o,t);s.readyState="done",r===void 0&&(r=a||1),(0>=r||a>r)&&e.util.throwDOMException(0,"An attempt was made to open a database using a lower version than the existing version.",r),c.transaction(function(t){t.executeSql("CREATE TABLE IF NOT EXISTS __sys__ (name VARCHAR(255), keyPath VARCHAR(255), autoInc BOOLEAN, indexList BLOB)",[],function(){t.executeSql("SELECT * FROM __sys__",[],function(t,u){var d=e.Event("success");s.source=s.result=new e.IDBDatabase(c,o,r,u),r>a?n.transaction(function(t){t.executeSql("UPDATE dbVersions set version = ? where name = ?",[r,o],function(){var t=e.Event("upgradeneeded");t.oldVersion=a,t.newVersion=r,s.transaction=s.result.__versionTransaction=new e.IDBTransaction([],2,s.source),e.util.callback("onupgradeneeded",s,t,function(){var t=e.Event("success");e.util.callback("onsuccess",s,t)})},i)},i):e.util.callback("onsuccess",s,d)},i)},i)},i)}var s=new e.IDBOpenRequest,c=!1;return n.transaction(function(e){e.executeSql("SELECT * FROM dbVersions where name = ?",[o],function(e,t){0===t.rows.length?e.executeSql("INSERT INTO dbVersions VALUES (?,?)",[o,r||1],function(){a(0)},i):a(t.rows.item(0).version)},i)},i),s},deleteDatabase:function(o){function r(t){if(!s){a.readyState="done",a.error="DOMError";var n=e.Event("error");n.message=t,n.debug=arguments,e.util.callback("onerror",a,n),s=!0}}function i(){n.transaction(function(t){t.executeSql("DELETE FROM dbVersions where name = ? 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