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-rw-r--r--browser/extensions/pictureinpicture/experiment-apis/aboutConfigPipPrefs.js65
1 files changed, 65 insertions, 0 deletions
diff --git a/browser/extensions/pictureinpicture/experiment-apis/aboutConfigPipPrefs.js b/browser/extensions/pictureinpicture/experiment-apis/aboutConfigPipPrefs.js
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+++ b/browser/extensions/pictureinpicture/experiment-apis/aboutConfigPipPrefs.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* global ExtensionAPI, ExtensionCommon, Services, XPCOMUtils */
+
+/**
+ * Class extending the ExtensionAPI, ensures we can set/get preferences
+ */
+this.aboutConfigPipPrefs = class extends ExtensionAPI {
+ /**
+ * Override ExtensionAPI with PiP override's specific preference API, prefixed by `disabled_picture_in_picture_overrides`
+ * @param {ExtensionContext} context the context of an extension
+ * @returns {Object} returns the necessary API structure required to manage prefs within this extension
+ */
+ getAPI(context) {
+ const EventManager = ExtensionCommon.EventManager;
+ const extensionIDBase = context.extension.id.split("@")[0];
+ const extensionPrefNameBase = `extensions.${extensionIDBase}.`;
+
+ return {
+ aboutConfigPipPrefs: {
+ onPrefChange: new EventManager({
+ context,
+ name: "aboutConfigPipPrefs.onSiteOverridesPrefChange",
+ register: (fire, name) => {
+ const prefName = `${extensionPrefNameBase}${name}`;
+ const callback = () => {
+ fire.async(name).catch(() => {}); // ignore Message Manager disconnects
+ };
+ Services.prefs.addObserver(prefName, callback);
+ return () => {
+ Services.prefs.removeObserver(prefName, callback);
+ };
+ },
+ }).api(),
+ /**
+ * Calls `Services.prefs.getBoolPref` to get a preference
+ * @param {String} name The name of the preference to get; will be prefixed with this extension's branch
+ * @returns the preference, or undefined
+ */
+ async getPref(name) {
+ try {
+ return Services.prefs.getBoolPref(
+ `${extensionPrefNameBase}${name}`
+ );
+ } catch (_) {
+ return undefined;
+ }
+ },
+
+ /**
+ * Calls `Services.prefs.setBoolPref` to set a preference
+ * @param {String} name the name of the preference to set; will be prefixed with this extension's branch
+ * @param {String} value the bool value to save in the pref
+ */
+ async setPref(name, value) {
+ Services.prefs.setBoolPref(`${extensionPrefNameBase}${name}`, value);
+ },
+ },
+ };
+ }
+};