54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
define(["Filer"], function(Filer) {
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var indexedDB = window.indexedDB ||
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window.mozIndexedDB ||
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window.webkitIndexedDB ||
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window.msIndexedDB;
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var needsCleanup = [];
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window.addEventListener('beforeunload', function() {
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needsCleanup.forEach(function(f) { f(); });
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});
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function IndexedDBTestProvider(name) {
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var _done = false;
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var that = this;
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function cleanup(callback) {
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if(!that.provider || _done) {
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return;
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}
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// We have to force any other connections to close
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// before we can delete a db.
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if(that.provider.db) {
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that.provider.db.close();
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}
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callback = callback || function(){};
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var request = indexedDB.deleteDatabase(name);
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function finished() {
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that.provider = null;
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_done = true;
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callback();
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}
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request.onsuccess = finished;
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request.onerror = finished;
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}
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function init() {
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if(that.provider) {
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return;
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}
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that.provider = new Filer.FileSystem.providers.IndexedDB(name);
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needsCleanup.push(cleanup);
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}
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this.init = init;
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this.cleanup = cleanup;
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}
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return IndexedDBTestProvider;
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});
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