michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const {Cc, Ci, Cu, CC} = require("chrome");
michael@0: const protocol = require("devtools/server/protocol");
michael@0: const {Arg, method, RetVal} = protocol;
michael@0: const {Promise: promise} = Cu.import("resource://gre/modules/Promise.jsm", {});
michael@0: 
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: exports.register = function(handle) {
michael@0:   handle.addGlobalActor(PreferenceActor, "preferenceActor");
michael@0: };
michael@0: 
michael@0: exports.unregister = function(handle) {
michael@0: };
michael@0: 
michael@0: let PreferenceActor = protocol.ActorClass({
michael@0:   typeName: "preference",
michael@0: 
michael@0:   getBoolPref: method(function(name) {
michael@0:     return Services.prefs.getBoolPref(name);
michael@0:   }, {
michael@0:     request: { value: Arg(0) },
michael@0:     response: { value: RetVal("boolean") }
michael@0:   }),
michael@0: 
michael@0:   getCharPref: method(function(name) {
michael@0:     return Services.prefs.getCharPref(name);
michael@0:   }, {
michael@0:     request: { value: Arg(0) },
michael@0:     response: { value: RetVal("string") }
michael@0:   }),
michael@0: 
michael@0:   getIntPref: method(function(name) {
michael@0:     return Services.prefs.getIntPref(name);
michael@0:   }, {
michael@0:     request: { value: Arg(0) },
michael@0:     response: { value: RetVal("number") }
michael@0:   }),
michael@0: 
michael@0:   getAllPrefs: method(function() {
michael@0:     let prefs = {};
michael@0:     Services.prefs.getChildList("").forEach(function(name, index) {
michael@0:       // append all key/value pairs into a huge json object.
michael@0:       try {
michael@0:         let value;
michael@0:         switch (Services.prefs.getPrefType(name)) {
michael@0:           case Ci.nsIPrefBranch.PREF_STRING:
michael@0:             value = Services.prefs.getCharPref(name);
michael@0:             break;
michael@0:           case Ci.nsIPrefBranch.PREF_INT:
michael@0:             value = Services.prefs.getIntPref(name);
michael@0:             break;
michael@0:           case Ci.nsIPrefBranch.PREF_BOOL:
michael@0:             value = Services.prefs.getBoolPref(name);
michael@0:             break;
michael@0:           default:
michael@0:         }
michael@0:         prefs[name] = {
michael@0:           value: value,
michael@0:           hasUserValue: Services.prefs.prefHasUserValue(name)
michael@0:         };
michael@0:       } catch (e) {
michael@0:         // pref exists but has no user or default value
michael@0:       }
michael@0:     });
michael@0:     return prefs;
michael@0:   }, {
michael@0:     request: {},
michael@0:     response: { value: RetVal("json") }
michael@0:   }),
michael@0: 
michael@0:   setBoolPref: method(function(name, value) {
michael@0:     Services.prefs.setBoolPref(name, value);
michael@0:     Services.prefs.savePrefFile(null);
michael@0:   }, {
michael@0:     request: { name: Arg(0), value: Arg(1) },
michael@0:     response: {}
michael@0:   }),
michael@0: 
michael@0:   setCharPref: method(function(name, value) {
michael@0:     Services.prefs.setCharPref(name, value);
michael@0:     Services.prefs.savePrefFile(null);
michael@0:   }, {
michael@0:     request: { name: Arg(0), value: Arg(1) },
michael@0:     response: {}
michael@0:   }),
michael@0: 
michael@0:   setIntPref: method(function(name, value) {
michael@0:     Services.prefs.setIntPref(name, value);
michael@0:     Services.prefs.savePrefFile(null);
michael@0:   }, {
michael@0:     request: { name: Arg(0), value: Arg(1) },
michael@0:     response: {}
michael@0:   }),
michael@0: 
michael@0:   clearUserPref: method(function(name) {
michael@0:     Services.prefs.clearUserPref(name);
michael@0:     Services.prefs.savePrefFile(null);
michael@0:   }, {
michael@0:     request: { name: Arg(0) },
michael@0:     response: {}
michael@0:   }),
michael@0: });
michael@0: 
michael@0: let PreferenceFront = protocol.FrontClass(PreferenceActor, {
michael@0:   initialize: function(client, form) {
michael@0:     protocol.Front.prototype.initialize.call(this, client);
michael@0:     this.actorID = form.preferenceActor;
michael@0:     client.addActorPool(this);
michael@0:     this.manage(this);
michael@0:   },
michael@0: });
michael@0: 
michael@0: const _knownPreferenceFronts = new WeakMap();
michael@0: 
michael@0: exports.getPreferenceFront = function(client, form) {
michael@0:   if (_knownPreferenceFronts.has(client))
michael@0:     return _knownPreferenceFronts.get(client);
michael@0: 
michael@0:   let front = new PreferenceFront(client, form);
michael@0:   _knownPreferenceFronts.set(client, front);
michael@0:   return front;
michael@0: };