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authorMatt A. Tobin <email@mattatobin.com>2019-04-23 15:32:23 -0400
committerMatt A. Tobin <email@mattatobin.com>2019-04-23 15:32:23 -0400
commitabe80cc31d5a40ebed743085011fbcda0c1a9a10 (patch)
treefb3762f06b84745b182af281abb107b95a9fcf01 /mobile/android/modules/SharedPreferences.jsm
parent63295d0087eb58a6eb34cad324c4c53d1b220491 (diff)
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Issue #1053 - Drop support Android and remove Fennec - Part 1a: Remove mobile/android
Diffstat (limited to 'mobile/android/modules/SharedPreferences.jsm')
-rw-r--r--mobile/android/modules/SharedPreferences.jsm254
1 files changed, 0 insertions, 254 deletions
diff --git a/mobile/android/modules/SharedPreferences.jsm b/mobile/android/modules/SharedPreferences.jsm
deleted file mode 100644
index 3f32df6ea..000000000
--- a/mobile/android/modules/SharedPreferences.jsm
+++ /dev/null
@@ -1,254 +0,0 @@
-// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
-/* 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";
-
-this.EXPORTED_SYMBOLS = ["SharedPreferences"];
-
-const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
-
-// For adding observers.
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Messaging.jsm");
-
-var Scope = Object.freeze({
- APP: "app",
- PROFILE: "profile",
- GLOBAL: "global"
-});
-
-/**
- * Public API to getting a SharedPreferencesImpl instance. These scopes mirror GeckoSharedPrefs.
- */
-var SharedPreferences = {
- forApp: function() {
- return new SharedPreferencesImpl({ scope: Scope.APP });
- },
-
- forProfile: function() {
- return new SharedPreferencesImpl({ scope: Scope.PROFILE });
- },
-
- /**
- * Get SharedPreferences for the named profile; if the profile name is null,
- * returns the preferences for the current profile (just like |forProfile|).
- */
- forProfileName: function(profileName) {
- return new SharedPreferencesImpl({ scope: Scope.PROFILE, profileName: profileName });
- },
-
- /**
- * Get SharedPreferences for the given Android branch; if the branch is null,
- * returns the default preferences branch for the application, which is the
- * output of |PreferenceManager.getDefaultSharedPreferences|.
- */
- forAndroid: function(branch) {
- return new SharedPreferencesImpl({ scope: Scope.GLOBAL, branch: branch });
- }
-};
-
-/**
- * Create an interface to an Android SharedPreferences branch.
- *
- * options {Object} with the following valid keys:
- * - scope {String} (required) specifies the scope of preferences that should be accessed.
- * - branch {String} (only when using Scope.GLOBAL) should be a string describing a preferences branch,
- * like "UpdateService" or "background.data", or null to access the
- * default preferences branch for the application.
- * - profileName {String} (optional, only valid when using Scope.PROFILE)
- */
-function SharedPreferencesImpl(options = {}) {
- if (!(this instanceof SharedPreferencesImpl)) {
- return new SharedPreferencesImpl(options);
- }
-
- if (options.scope == null || options.scope == undefined) {
- throw "Shared Preferences must specifiy a scope.";
- }
-
- this._scope = options.scope;
- this._profileName = options.profileName;
- this._branch = options.branch;
- this._observers = {};
-}
-
-SharedPreferencesImpl.prototype = Object.freeze({
- _set: function _set(prefs) {
- Messaging.sendRequest({
- type: "SharedPreferences:Set",
- preferences: prefs,
- scope: this._scope,
- profileName: this._profileName,
- branch: this._branch,
- });
- },
-
- _setOne: function _setOne(prefName, value, type) {
- let prefs = [];
- prefs.push({
- name: prefName,
- value: value,
- type: type,
- });
- this._set(prefs);
- },
-
- setBoolPref: function setBoolPref(prefName, value) {
- this._setOne(prefName, value, "bool");
- },
-
- setCharPref: function setCharPref(prefName, value) {
- this._setOne(prefName, value, "string");
- },
-
- setIntPref: function setIntPref(prefName, value) {
- this._setOne(prefName, value, "int");
- },
-
- _get: function _get(prefs, callback) {
- let result = null;
- Messaging.sendRequestForResult({
- type: "SharedPreferences:Get",
- preferences: prefs,
- scope: this._scope,
- profileName: this._profileName,
- branch: this._branch,
- }).then((data) => {
- result = data.values;
- });
-
- let thread = Services.tm.currentThread;
- while (result == null)
- thread.processNextEvent(true);
-
- return result;
- },
-
- _getOne: function _getOne(prefName, type) {
- let prefs = [];
- prefs.push({
- name: prefName,
- type: type,
- });
- let values = this._get(prefs);
- if (values.length != 1) {
- throw new Error("Got too many values: " + values.length);
- }
- return values[0].value;
- },
-
- getBoolPref: function getBoolPref(prefName) {
- return this._getOne(prefName, "bool");
- },
-
- getCharPref: function getCharPref(prefName) {
- return this._getOne(prefName, "string");
- },
-
- getIntPref: function getIntPref(prefName) {
- return this._getOne(prefName, "int");
- },
-
- /**
- * Invoke `observer` after a change to the preference `domain` in
- * the current branch.
- *
- * `observer` should implement the nsIObserver.observe interface.
- */
- addObserver: function addObserver(domain, observer, holdWeak) {
- if (!domain)
- throw new Error("domain must not be null");
- if (!observer)
- throw new Error("observer must not be null");
- if (holdWeak)
- throw new Error("Weak references not yet implemented.");
-
- if (!this._observers.hasOwnProperty(domain))
- this._observers[domain] = [];
- if (this._observers[domain].indexOf(observer) > -1)
- return;
-
- this._observers[domain].push(observer);
-
- this._updateAndroidListener();
- },
-
- /**
- * Do not invoke `observer` after a change to the preference
- * `domain` in the current branch.
- */
- removeObserver: function removeObserver(domain, observer) {
- if (!this._observers.hasOwnProperty(domain))
- return;
- let index = this._observers[domain].indexOf(observer);
- if (index < 0)
- return;
-
- this._observers[domain].splice(index, 1);
- if (this._observers[domain].length < 1)
- delete this._observers[domain];
-
- this._updateAndroidListener();
- },
-
- _updateAndroidListener: function _updateAndroidListener() {
- if (this._listening && Object.keys(this._observers).length < 1)
- this._uninstallAndroidListener();
- if (!this._listening && Object.keys(this._observers).length > 0)
- this._installAndroidListener();
- },
-
- _installAndroidListener: function _installAndroidListener() {
- if (this._listening)
- return;
- this._listening = true;
-
- Services.obs.addObserver(this, "SharedPreferences:Changed", false);
- Messaging.sendRequest({
- type: "SharedPreferences:Observe",
- enable: true,
- scope: this._scope,
- profileName: this._profileName,
- branch: this._branch,
- });
- },
-
- observe: function observe(subject, topic, data) {
- if (topic != "SharedPreferences:Changed") {
- return;
- }
-
- let msg = JSON.parse(data);
- if (msg.scope !== this._scope ||
- ((this._scope === Scope.PROFILE) && (msg.profileName !== this._profileName)) ||
- ((this._scope === Scope.GLOBAL) && (msg.branch !== this._branch))) {
- return;
- }
-
- if (!this._observers.hasOwnProperty(msg.key)) {
- return;
- }
-
- let observers = this._observers[msg.key];
- for (let obs of observers) {
- obs.observe(obs, msg.key, msg.value);
- }
- },
-
- _uninstallAndroidListener: function _uninstallAndroidListener() {
- if (!this._listening)
- return;
- this._listening = false;
-
- Services.obs.removeObserver(this, "SharedPreferences:Changed");
- Messaging.sendRequest({
- type: "SharedPreferences:Observe",
- enable: false,
- scope: this._scope,
- profileName: this._profileName,
- branch: this._branch,
- });
- },
-});