/**
* @license
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
goog.provide('shaka.offline.indexeddb.EmeSessionStorageCell');
goog.require('shaka.offline.indexeddb.DBConnection');
/**
* The implementation of the EME session storage cell.
*
* @implements {shaka.extern.EmeSessionStorageCell}
*/
shaka.offline.indexeddb.EmeSessionStorageCell = class {
/**
* @param {IDBDatabase} connection
* @param {string} store
*/
constructor(connection, store) {
/** @private {!shaka.offline.indexeddb.DBConnection} */
this.connection_ = new shaka.offline.indexeddb.DBConnection(connection);
/** @private {string} */
this.store_ = store;
}
/** @override */
destroy() { return this.connection_.destroy(); }
/** @override */
async getAll() {
/** @type {!shaka.offline.indexeddb.DBOperation} */
const op = this.connection_.startReadOnlyOperation(this.store_);
/** @type {!Array.<shaka.extern.EmeSessionDB>} */
const values = [];
await op.forEachEntry((key, value) => {
values.push(value);
});
await op.promise();
return values;
}
/** @override */
add(sessions) {
const op = this.connection_.startReadWriteOperation(this.store_);
const store = op.store();
for (const session of sessions) {
store.add(session);
}
return op.promise();
}
/** @override */
async remove(sessionIds) {
/** @type {!shaka.offline.indexeddb.DBOperation} */
const op = this.connection_.startReadWriteOperation(this.store_);
await op.forEachEntry((key, value, cursor) => {
if (sessionIds.indexOf(value.sessionId) >= 0) {
cursor.delete();
}
});
await op.promise();
}
};