pdf.js/web/genericcom.js
Jonas Jenwald 3274972768 Revert Preferences to their previous values, when writing to storage failed
This patch fixes an old inconsistency, when using `BasePreferences.{reset, set}`, where the internal Preference values would be kept even if writing them to storage failed.
2022-03-12 17:25:45 +01:00

60 lines
1.8 KiB
JavaScript

/* Copyright 2017 Mozilla Foundation
*
* 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.
*/
import { DefaultExternalServices, PDFViewerApplication } from "./app.js";
import { BasePreferences } from "./preferences.js";
import { DownloadManager } from "./download_manager.js";
import { GenericL10n } from "./genericl10n.js";
import { GenericScripting } from "./generic_scripting.js";
if (typeof PDFJSDev !== "undefined" && !PDFJSDev.test("GENERIC")) {
throw new Error(
'Module "pdfjs-web/genericcom" shall not be used outside GENERIC build.'
);
}
const GenericCom = {};
class GenericPreferences extends BasePreferences {
async _writeToStorage(prefObj) {
localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
}
async _readFromStorage(prefObj) {
return JSON.parse(localStorage.getItem("pdfjs.preferences"));
}
}
class GenericExternalServices extends DefaultExternalServices {
static createDownloadManager(options) {
return new DownloadManager();
}
static createPreferences() {
return new GenericPreferences();
}
static createL10n({ locale = "en-US" }) {
return new GenericL10n(locale);
}
static createScripting({ sandboxBundleSrc }) {
return new GenericScripting(sandboxBundleSrc);
}
}
PDFViewerApplication.externalServices = GenericExternalServices;
export { GenericCom };