Source: lib/offline/indexeddb/v5_storage_cell.js

  1. /*! @license
  2.  * Shaka Player
  3.  * Copyright 2016 Google LLC
  4.  * SPDX-License-Identifier: Apache-2.0
  5.  */
  7. goog.provide('shaka.offline.indexeddb.V5StorageCell');
  9. goog.require('shaka.offline.indexeddb.BaseStorageCell');
  12. /**
  13.  * The V5StorageCell is for all stores that follow the shaka.externs V5 offline
  14.  * types introduced in v3.0.
  15.  *
  16.  * @implements {shaka.extern.StorageCell}
  17.  */
  18. shaka.offline.indexeddb.V5StorageCell = class
  19.   extends shaka.offline.indexeddb.BaseStorageCell {
  20.   /** @override */
  21.   hasFixedKeySpace() {
  22.     // This makes the cell read-write.
  23.     return false;
  24.   }
  26.   /** @override */
  27.   addSegments(segments) {
  28.     return this.add(this.segmentStore_, segments);
  29.   }
  31.   /** @override */
  32.   addManifests(manifests) {
  33.     return this.add(this.manifestStore_, manifests);
  34.   }
  36.   /** @override */
  37.   updateManifest(key, manifest) {
  38.     return this.updateManifestImplementation(key, manifest);
  39.   }
  41.   /** @override */
  42.   convertManifest(old) {
  43.     // JSON serialization turns Infinity into null, so turn it back now.
  44.     if (old.expiration == null) {
  45.       old.expiration = Infinity;
  46.     }
  47.     return Promise.resolve(/** @type {shaka.extern.ManifestDB} */(old));
  48.   }
  49. };