Fix #228: Uncaught [Filer Error] Your browser doesn't support IndexedDB or WebSQL.
This commit is contained in:
David Humphrey (:humph) david.humphrey@senecacollege.ca
parent
31b062152e
commit
98cd3e6da7
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@ -1,130 +1,127 @@
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(function(global) {
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var FILE_SYSTEM_NAME = require('../constants.js').FILE_SYSTEM_NAME;
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var FILE_STORE_NAME = require('../constants.js').FILE_STORE_NAME;
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var IDB_RW = require('../constants.js').IDB_RW;
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var IDB_RO = require('../constants.js').IDB_RO;
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var Errors = require('../errors.js');
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var FILE_SYSTEM_NAME = require('../constants.js').FILE_SYSTEM_NAME;
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var FILE_STORE_NAME = require('../constants.js').FILE_STORE_NAME;
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var IDB_RW = require('../constants.js').IDB_RW;
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var IDB_RO = require('../constants.js').IDB_RO;
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var Errors = require('../errors.js');
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var indexedDB = global.indexedDB ||
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global.mozIndexedDB ||
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global.webkitIndexedDB ||
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global.msIndexedDB;
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var indexedDB = global.indexedDB ||
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global.mozIndexedDB ||
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global.webkitIndexedDB ||
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global.msIndexedDB;
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function IndexedDBContext(db, mode) {
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var transaction = db.transaction(FILE_STORE_NAME, mode);
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this.objectStore = transaction.objectStore(FILE_STORE_NAME);
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function IndexedDBContext(db, mode) {
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var transaction = db.transaction(FILE_STORE_NAME, mode);
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this.objectStore = transaction.objectStore(FILE_STORE_NAME);
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}
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IndexedDBContext.prototype.clear = function(callback) {
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try {
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var request = this.objectStore.clear();
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request.onsuccess = function(event) {
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callback();
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};
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request.onerror = function(error) {
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callback(error);
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};
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} catch(e) {
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callback(e);
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}
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IndexedDBContext.prototype.clear = function(callback) {
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try {
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var request = this.objectStore.clear();
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request.onsuccess = function(event) {
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callback();
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};
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request.onerror = function(error) {
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callback(error);
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};
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} catch(e) {
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callback(e);
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}
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};
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IndexedDBContext.prototype.get = function(key, callback) {
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try {
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var request = this.objectStore.get(key);
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request.onsuccess = function onsuccess(event) {
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var result = event.target.result;
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callback(null, result);
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};
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request.onerror = function onerror(error) {
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callback(error);
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};
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} catch(e) {
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callback(e);
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}
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};
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IndexedDBContext.prototype.put = function(key, value, callback) {
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try {
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var request = this.objectStore.put(value, key);
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request.onsuccess = function onsuccess(event) {
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var result = event.target.result;
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callback(null, result);
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};
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request.onerror = function onerror(error) {
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callback(error);
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};
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} catch(e) {
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callback(e);
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}
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};
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IndexedDBContext.prototype.delete = function(key, callback) {
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try {
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var request = this.objectStore.delete(key);
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request.onsuccess = function onsuccess(event) {
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var result = event.target.result;
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callback(null, result);
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};
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request.onerror = function(error) {
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callback(error);
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};
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} catch(e) {
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callback(e);
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}
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};
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function IndexedDB(name) {
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this.name = name || FILE_SYSTEM_NAME;
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this.db = null;
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};
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IndexedDBContext.prototype.get = function(key, callback) {
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try {
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var request = this.objectStore.get(key);
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request.onsuccess = function onsuccess(event) {
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var result = event.target.result;
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callback(null, result);
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};
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request.onerror = function onerror(error) {
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callback(error);
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};
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} catch(e) {
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callback(e);
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}
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IndexedDB.isSupported = function() {
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return !!indexedDB;
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};
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};
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IndexedDBContext.prototype.put = function(key, value, callback) {
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try {
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var request = this.objectStore.put(value, key);
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request.onsuccess = function onsuccess(event) {
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var result = event.target.result;
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callback(null, result);
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};
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request.onerror = function onerror(error) {
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callback(error);
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};
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} catch(e) {
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callback(e);
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}
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};
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IndexedDBContext.prototype.delete = function(key, callback) {
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try {
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var request = this.objectStore.delete(key);
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request.onsuccess = function onsuccess(event) {
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var result = event.target.result;
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callback(null, result);
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};
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request.onerror = function(error) {
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callback(error);
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};
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} catch(e) {
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callback(e);
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}
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};
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IndexedDB.prototype.open = function(callback) {
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var that = this;
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// Bail if we already have a db open
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if( that.db ) {
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callback(null, false);
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return;
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function IndexedDB(name) {
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this.name = name || FILE_SYSTEM_NAME;
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this.db = null;
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}
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IndexedDB.isSupported = function() {
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return !!indexedDB;
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};
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IndexedDB.prototype.open = function(callback) {
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var that = this;
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// Bail if we already have a db open
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if( that.db ) {
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callback(null, false);
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return;
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}
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// Keep track of whether we're accessing this db for the first time
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// and therefore needs to get formatted.
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var firstAccess = false;
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// NOTE: we're not using versioned databases.
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var openRequest = indexedDB.open(that.name);
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// If the db doesn't exist, we'll create it
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openRequest.onupgradeneeded = function onupgradeneeded(event) {
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var db = event.target.result;
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if(db.objectStoreNames.contains(FILE_STORE_NAME)) {
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db.deleteObjectStore(FILE_STORE_NAME);
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}
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db.createObjectStore(FILE_STORE_NAME);
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// Keep track of whether we're accessing this db for the first time
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// and therefore needs to get formatted.
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var firstAccess = false;
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// NOTE: we're not using versioned databases.
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var openRequest = indexedDB.open(that.name);
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// If the db doesn't exist, we'll create it
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openRequest.onupgradeneeded = function onupgradeneeded(event) {
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var db = event.target.result;
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if(db.objectStoreNames.contains(FILE_STORE_NAME)) {
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db.deleteObjectStore(FILE_STORE_NAME);
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}
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db.createObjectStore(FILE_STORE_NAME);
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firstAccess = true;
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};
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openRequest.onsuccess = function onsuccess(event) {
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that.db = event.target.result;
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callback(null, firstAccess);
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};
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openRequest.onerror = function onerror(error) {
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callback(new Errors.EINVAL('IndexedDB cannot be accessed. If private browsing is enabled, disable it.'));
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};
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};
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IndexedDB.prototype.getReadOnlyContext = function() {
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// Due to timing issues in Chrome with readwrite vs. readonly indexeddb transactions
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// always use readwrite so we can make sure pending commits finish before callbacks.
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// See https://github.com/js-platform/filer/issues/128
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return new IndexedDBContext(this.db, IDB_RW);
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};
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IndexedDB.prototype.getReadWriteContext = function() {
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return new IndexedDBContext(this.db, IDB_RW);
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firstAccess = true;
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};
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module.exports = IndexedDB;
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openRequest.onsuccess = function onsuccess(event) {
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that.db = event.target.result;
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callback(null, firstAccess);
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};
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openRequest.onerror = function onerror(error) {
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callback(new Errors.EINVAL('IndexedDB cannot be accessed. If private browsing is enabled, disable it.'));
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};
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};
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IndexedDB.prototype.getReadOnlyContext = function() {
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// Due to timing issues in Chrome with readwrite vs. readonly indexeddb transactions
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// always use readwrite so we can make sure pending commits finish before callbacks.
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// See https://github.com/js-platform/filer/issues/128
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return new IndexedDBContext(this.db, IDB_RW);
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};
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IndexedDB.prototype.getReadWriteContext = function() {
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return new IndexedDBContext(this.db, IDB_RW);
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};
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}(this));
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module.exports = IndexedDB;
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@ -1,161 +1,158 @@
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(function(global) {
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var FILE_SYSTEM_NAME = require('../constants.js').FILE_SYSTEM_NAME;
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var FILE_STORE_NAME = require('../constants.js').FILE_STORE_NAME;
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var WSQL_VERSION = require('../constants.js').WSQL_VERSION;
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var WSQL_SIZE = require('../constants.js').WSQL_SIZE;
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var WSQL_DESC = require('../constants.js').WSQL_DESC;
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var u8toArray = require('../shared.js').u8toArray;
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var Errors = require('../errors.js');
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var FILE_SYSTEM_NAME = require('../constants.js').FILE_SYSTEM_NAME;
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var FILE_STORE_NAME = require('../constants.js').FILE_STORE_NAME;
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var WSQL_VERSION = require('../constants.js').WSQL_VERSION;
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var WSQL_SIZE = require('../constants.js').WSQL_SIZE;
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var WSQL_DESC = require('../constants.js').WSQL_DESC;
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var u8toArray = require('../shared.js').u8toArray;
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var Errors = require('../errors.js');
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function WebSQLContext(db, isReadOnly) {
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var that = this;
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this.getTransaction = function(callback) {
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if(that.transaction) {
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callback(that.transaction);
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return;
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function WebSQLContext(db, isReadOnly) {
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var that = this;
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this.getTransaction = function(callback) {
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if(that.transaction) {
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callback(that.transaction);
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return;
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}
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// Either do readTransaction() (read-only) or transaction() (read/write)
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db[isReadOnly ? 'readTransaction' : 'transaction'](function(transaction) {
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that.transaction = transaction;
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callback(transaction);
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});
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};
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}
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WebSQLContext.prototype.clear = function(callback) {
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function onError(transaction, error) {
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callback(error);
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}
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function onSuccess(transaction, result) {
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callback(null);
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}
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this.getTransaction(function(transaction) {
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transaction.executeSql("DELETE FROM " + FILE_STORE_NAME + ";",
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[], onSuccess, onError);
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});
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};
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WebSQLContext.prototype.get = function(key, callback) {
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function onSuccess(transaction, result) {
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// If the key isn't found, return null
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var value = result.rows.length === 0 ? null : result.rows.item(0).data;
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try {
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if(value) {
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value = JSON.parse(value);
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// Deal with special-cased flattened typed arrays in WebSQL (see put() below)
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if(value.__isUint8Array) {
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value = new Uint8Array(value.__array);
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}
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}
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// Either do readTransaction() (read-only) or transaction() (read/write)
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db[isReadOnly ? 'readTransaction' : 'transaction'](function(transaction) {
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that.transaction = transaction;
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callback(transaction);
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});
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callback(null, value);
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} catch(e) {
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callback(e);
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}
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}
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function onError(transaction, error) {
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callback(error);
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}
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this.getTransaction(function(transaction) {
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transaction.executeSql("SELECT data FROM " + FILE_STORE_NAME + " WHERE id = ?;",
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[key], onSuccess, onError);
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});
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};
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WebSQLContext.prototype.put = function(key, value, callback) {
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// We do extra work to make sure typed arrays survive
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// being stored in the db and still get the right prototype later.
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if(Object.prototype.toString.call(value) === "[object Uint8Array]") {
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value = {
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__isUint8Array: true,
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__array: u8toArray(value)
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};
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}
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WebSQLContext.prototype.clear = function(callback) {
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function onError(transaction, error) {
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callback(error);
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}
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function onSuccess(transaction, result) {
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callback(null);
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}
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this.getTransaction(function(transaction) {
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transaction.executeSql("DELETE FROM " + FILE_STORE_NAME + ";",
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[], onSuccess, onError);
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});
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};
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WebSQLContext.prototype.get = function(key, callback) {
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function onSuccess(transaction, result) {
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// If the key isn't found, return null
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var value = result.rows.length === 0 ? null : result.rows.item(0).data;
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try {
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if(value) {
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value = JSON.parse(value);
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// Deal with special-cased flattened typed arrays in WebSQL (see put() below)
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if(value.__isUint8Array) {
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value = new Uint8Array(value.__array);
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}
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}
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callback(null, value);
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} catch(e) {
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callback(e);
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}
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}
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function onError(transaction, error) {
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callback(error);
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}
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this.getTransaction(function(transaction) {
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transaction.executeSql("SELECT data FROM " + FILE_STORE_NAME + " WHERE id = ?;",
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[key], onSuccess, onError);
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});
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};
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WebSQLContext.prototype.put = function(key, value, callback) {
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// We do extra work to make sure typed arrays survive
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// being stored in the db and still get the right prototype later.
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if(Object.prototype.toString.call(value) === "[object Uint8Array]") {
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value = {
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__isUint8Array: true,
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__array: u8toArray(value)
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};
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}
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value = JSON.stringify(value);
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function onSuccess(transaction, result) {
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callback(null);
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}
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function onError(transaction, error) {
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callback(error);
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}
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this.getTransaction(function(transaction) {
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transaction.executeSql("INSERT OR REPLACE INTO " + FILE_STORE_NAME + " (id, data) VALUES (?, ?);",
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[key, value], onSuccess, onError);
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});
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};
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WebSQLContext.prototype.delete = function(key, callback) {
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function onSuccess(transaction, result) {
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callback(null);
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}
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function onError(transaction, error) {
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callback(error);
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}
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this.getTransaction(function(transaction) {
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transaction.executeSql("DELETE FROM " + FILE_STORE_NAME + " WHERE id = ?;",
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[key], onSuccess, onError);
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});
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};
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function WebSQL(name) {
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this.name = name || FILE_SYSTEM_NAME;
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this.db = null;
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value = JSON.stringify(value);
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function onSuccess(transaction, result) {
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callback(null);
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}
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WebSQL.isSupported = function() {
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return !!global.openDatabase;
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};
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function onError(transaction, error) {
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callback(error);
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}
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this.getTransaction(function(transaction) {
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transaction.executeSql("INSERT OR REPLACE INTO " + FILE_STORE_NAME + " (id, data) VALUES (?, ?);",
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[key, value], onSuccess, onError);
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});
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};
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WebSQLContext.prototype.delete = function(key, callback) {
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function onSuccess(transaction, result) {
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callback(null);
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}
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function onError(transaction, error) {
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callback(error);
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}
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this.getTransaction(function(transaction) {
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transaction.executeSql("DELETE FROM " + FILE_STORE_NAME + " WHERE id = ?;",
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[key], onSuccess, onError);
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});
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};
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WebSQL.prototype.open = function(callback) {
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var that = this;
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// Bail if we already have a db open
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if(that.db) {
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callback(null, false);
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return;
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function WebSQL(name) {
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this.name = name || FILE_SYSTEM_NAME;
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this.db = null;
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}
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WebSQL.isSupported = function() {
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return !!global.openDatabase;
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};
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WebSQL.prototype.open = function(callback) {
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var that = this;
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// Bail if we already have a db open
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if(that.db) {
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callback(null, false);
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return;
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}
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var db = global.openDatabase(that.name, WSQL_VERSION, WSQL_DESC, WSQL_SIZE);
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if(!db) {
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callback("[WebSQL] Unable to open database.");
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return;
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}
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function onError(transaction, error) {
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if (error.code === 5) {
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callback(new Errors.EINVAL('WebSQL cannot be accessed. If private browsing is enabled, disable it.'));
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}
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callback(error);
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}
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function onSuccess(transaction, result) {
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that.db = db;
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var db = global.openDatabase(that.name, WSQL_VERSION, WSQL_DESC, WSQL_SIZE);
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if(!db) {
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callback("[WebSQL] Unable to open database.");
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return;
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function gotCount(transaction, result) {
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var firstAccess = result.rows.item(0).count === 0;
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callback(null, firstAccess);
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}
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function onError(transaction, error) {
|
||||
if (error.code === 5) {
|
||||
callback(new Errors.EINVAL('WebSQL cannot be accessed. If private browsing is enabled, disable it.'));
|
||||
}
|
||||
callback(error);
|
||||
}
|
||||
function onSuccess(transaction, result) {
|
||||
that.db = db;
|
||||
// Keep track of whether we're accessing this db for the first time
|
||||
// and therefore needs to get formatted.
|
||||
transaction.executeSql("SELECT COUNT(id) AS count FROM " + FILE_STORE_NAME + ";",
|
||||
[], gotCount, onError);
|
||||
}
|
||||
|
||||
function gotCount(transaction, result) {
|
||||
var firstAccess = result.rows.item(0).count === 0;
|
||||
callback(null, firstAccess);
|
||||
}
|
||||
function onError(transaction, error) {
|
||||
callback(error);
|
||||
}
|
||||
// Keep track of whether we're accessing this db for the first time
|
||||
// and therefore needs to get formatted.
|
||||
transaction.executeSql("SELECT COUNT(id) AS count FROM " + FILE_STORE_NAME + ";",
|
||||
[], gotCount, onError);
|
||||
// Create the table and index we'll need to store the fs data.
|
||||
db.transaction(function(transaction) {
|
||||
function createIndex(transaction) {
|
||||
transaction.executeSql("CREATE INDEX IF NOT EXISTS idx_" + FILE_STORE_NAME + "_id" +
|
||||
" on " + FILE_STORE_NAME + " (id);",
|
||||
[], onSuccess, onError);
|
||||
}
|
||||
transaction.executeSql("CREATE TABLE IF NOT EXISTS " + FILE_STORE_NAME + " (id unique, data TEXT);",
|
||||
[], createIndex, onError);
|
||||
});
|
||||
};
|
||||
WebSQL.prototype.getReadOnlyContext = function() {
|
||||
return new WebSQLContext(this.db, true);
|
||||
};
|
||||
WebSQL.prototype.getReadWriteContext = function() {
|
||||
return new WebSQLContext(this.db, false);
|
||||
};
|
||||
|
||||
// Create the table and index we'll need to store the fs data.
|
||||
db.transaction(function(transaction) {
|
||||
function createIndex(transaction) {
|
||||
transaction.executeSql("CREATE INDEX IF NOT EXISTS idx_" + FILE_STORE_NAME + "_id" +
|
||||
" on " + FILE_STORE_NAME + " (id);",
|
||||
[], onSuccess, onError);
|
||||
}
|
||||
transaction.executeSql("CREATE TABLE IF NOT EXISTS " + FILE_STORE_NAME + " (id unique, data TEXT);",
|
||||
[], createIndex, onError);
|
||||
});
|
||||
};
|
||||
WebSQL.prototype.getReadOnlyContext = function() {
|
||||
return new WebSQLContext(this.db, true);
|
||||
};
|
||||
WebSQL.prototype.getReadWriteContext = function() {
|
||||
return new WebSQLContext(this.db, false);
|
||||
};
|
||||
|
||||
module.exports = WebSQL;
|
||||
|
||||
}(this));
|
||||
module.exports = WebSQL;
|
||||
|
|
|
|||
|
|
@ -1,56 +1,53 @@
|
|||
(function(global) {
|
||||
var Filer = require("../..");
|
||||
var Filer = require("../..");
|
||||
|
||||
var indexedDB = global.indexedDB ||
|
||||
global.mozIndexedDB ||
|
||||
global.webkitIndexedDB ||
|
||||
global.msIndexedDB;
|
||||
var indexedDB = global.indexedDB ||
|
||||
global.mozIndexedDB ||
|
||||
global.webkitIndexedDB ||
|
||||
global.msIndexedDB;
|
||||
|
||||
var needsCleanup = [];
|
||||
if(global.addEventListener) {
|
||||
global.addEventListener('beforeunload', function() {
|
||||
needsCleanup.forEach(function(f) { f(); });
|
||||
});
|
||||
}
|
||||
var needsCleanup = [];
|
||||
if(global.addEventListener) {
|
||||
global.addEventListener('beforeunload', function() {
|
||||
needsCleanup.forEach(function(f) { f(); });
|
||||
});
|
||||
}
|
||||
|
||||
function IndexedDBTestProvider(name) {
|
||||
var _done = false;
|
||||
var that = this;
|
||||
function IndexedDBTestProvider(name) {
|
||||
var _done = false;
|
||||
var that = this;
|
||||
|
||||
function cleanup(callback) {
|
||||
if(!that.provider || _done) {
|
||||
return;
|
||||
}
|
||||
|
||||
// We have to force any other connections to close
|
||||
// before we can delete a db.
|
||||
if(that.provider.db) {
|
||||
that.provider.db.close();
|
||||
}
|
||||
|
||||
callback = callback || function(){};
|
||||
var request = indexedDB.deleteDatabase(name);
|
||||
function finished() {
|
||||
that.provider = null;
|
||||
_done = true;
|
||||
callback();
|
||||
}
|
||||
request.onsuccess = finished;
|
||||
request.onerror = finished;
|
||||
function cleanup(callback) {
|
||||
if(!that.provider || _done) {
|
||||
return;
|
||||
}
|
||||
|
||||
function init() {
|
||||
if(that.provider) {
|
||||
return;
|
||||
}
|
||||
that.provider = new Filer.FileSystem.providers.IndexedDB(name);
|
||||
needsCleanup.push(cleanup);
|
||||
// We have to force any other connections to close
|
||||
// before we can delete a db.
|
||||
if(that.provider.db) {
|
||||
that.provider.db.close();
|
||||
}
|
||||
|
||||
this.init = init;
|
||||
this.cleanup = cleanup;
|
||||
callback = callback || function(){};
|
||||
var request = indexedDB.deleteDatabase(name);
|
||||
function finished() {
|
||||
that.provider = null;
|
||||
_done = true;
|
||||
callback();
|
||||
}
|
||||
request.onsuccess = finished;
|
||||
request.onerror = finished;
|
||||
}
|
||||
|
||||
module.exports = IndexedDBTestProvider;
|
||||
function init() {
|
||||
if(that.provider) {
|
||||
return;
|
||||
}
|
||||
that.provider = new Filer.FileSystem.providers.IndexedDB(name);
|
||||
needsCleanup.push(cleanup);
|
||||
}
|
||||
|
||||
}(this));
|
||||
this.init = init;
|
||||
this.cleanup = cleanup;
|
||||
}
|
||||
|
||||
module.exports = IndexedDBTestProvider;
|
||||
|
|
|
|||
|
|
@ -1,47 +1,43 @@
|
|||
(function(global) {
|
||||
var Filer = require('../..');
|
||||
|
||||
var Filer = require('../..');
|
||||
var needsCleanup = [];
|
||||
if(global.addEventListener) {
|
||||
window.addEventListener('beforeunload', function() {
|
||||
needsCleanup.forEach(function(f) { f(); });
|
||||
});
|
||||
}
|
||||
|
||||
var needsCleanup = [];
|
||||
if(global.addEventListener) {
|
||||
window.addEventListener('beforeunload', function() {
|
||||
needsCleanup.forEach(function(f) { f(); });
|
||||
function WebSQLTestProvider(name) {
|
||||
var _done = false;
|
||||
var that = this;
|
||||
|
||||
function cleanup(callback) {
|
||||
if(!that.provider || _done) {
|
||||
return;
|
||||
}
|
||||
// Provider is there, but db was never touched
|
||||
if(!that.provider.db) {
|
||||
return;
|
||||
}
|
||||
|
||||
var context = that.provider.getReadWriteContext();
|
||||
context.clear(function() {
|
||||
that.provider = null;
|
||||
_done = true;
|
||||
callback();
|
||||
});
|
||||
}
|
||||
|
||||
function WebSQLTestProvider(name) {
|
||||
var _done = false;
|
||||
var that = this;
|
||||
|
||||
function cleanup(callback) {
|
||||
if(!that.provider || _done) {
|
||||
return;
|
||||
}
|
||||
// Provider is there, but db was never touched
|
||||
if(!that.provider.db) {
|
||||
return;
|
||||
}
|
||||
|
||||
var context = that.provider.getReadWriteContext();
|
||||
context.clear(function() {
|
||||
that.provider = null;
|
||||
_done = true;
|
||||
callback();
|
||||
});
|
||||
function init() {
|
||||
if(that.provider) {
|
||||
return;
|
||||
}
|
||||
|
||||
function init() {
|
||||
if(that.provider) {
|
||||
return;
|
||||
}
|
||||
that.provider = new Filer.FileSystem.providers.WebSQL(name);
|
||||
needsCleanup.push(cleanup);
|
||||
}
|
||||
|
||||
this.init = init;
|
||||
this.cleanup = cleanup;
|
||||
that.provider = new Filer.FileSystem.providers.WebSQL(name);
|
||||
needsCleanup.push(cleanup);
|
||||
}
|
||||
|
||||
module.exports = WebSQLTestProvider;
|
||||
this.init = init;
|
||||
this.cleanup = cleanup;
|
||||
}
|
||||
|
||||
}(this));
|
||||
module.exports = WebSQLTestProvider;
|
||||
|
|
|
|||
Loading…
Reference in New Issue