mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-16 16:16:40 +03:00
Aaron Vaage
b98ce99f08
Changed the Storage Engine interface to know about the types that it is expected to store. This allow the implementation to do more internally as the scope of the object has been limited. Change-Id: I388e2bde5e7e3f99e8b28bd16e08a8f6d5fc6453
59 lines
1.8 KiB
JavaScript
59 lines
1.8 KiB
JavaScript
/**
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* @license
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* Copyright 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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goog.provide('shaka.offline.StorageEngineFactory');
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goog.require('shaka.offline.DBEngine');
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goog.require('shaka.offline.IStorageEngine');
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goog.require('shaka.util.Error');
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/**
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* @namespace shaka.offline.StorageEngineFactory
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*/
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/**
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* Determines if this platform supports any form of storage engine.
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* @return {boolean}
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*/
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shaka.offline.StorageEngineFactory.isSupported = function() {
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return shaka.offline.DBEngine.isSupported();
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};
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/**
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* Create a new instance of the supported storage engine. The created instance
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* will be initialized.
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* @return {!Promise<!shaka.offline.IStorageEngine>}
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*/
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shaka.offline.StorageEngineFactory.createStorageEngine = function() {
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// Use our method to check in case it was replaced.
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var supportsStorage = shaka.offline.StorageEngineFactory.isSupported();
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if (!supportsStorage) {
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return Promise.reject(new shaka.util.Error(
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shaka.util.Error.Severity.CRITICAL,
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shaka.util.Error.Category.STORAGE,
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shaka.util.Error.Code.STORAGE_NOT_SUPPORTED));
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}
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/** @type {!shaka.offline.DBEngine} */
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var engine = new shaka.offline.DBEngine('shaka_offline_db');
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return engine.init().then(function() { return engine; });
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};
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