filer/tests/lib/indexeddb.js

58 lines
1.3 KiB
JavaScript

define(["Filer"], function(Filer) {
var indexedDB = (function(window) {
return window.indexedDB ||
window.mozIndexedDB ||
window.webkitIndexedDB ||
window.msIndexedDB;
}(this));
var needsCleanup = [];
if(typeof window !== 'undefined') {
window.addEventListener('beforeunload', function() {
needsCleanup.forEach(function(f) { f(); });
});
}
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 init() {
if(that.provider) {
return;
}
that.provider = new Filer.FileSystem.providers.IndexedDB(name);
needsCleanup.push(cleanup);
}
this.init = init;
this.cleanup = cleanup;
}
return IndexedDBTestProvider;
});