зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
2.6 KiB
JavaScript
89 строки
2.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {Ci} = require("chrome");
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const protocol = require("devtools/shared/protocol");
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const Services = require("Services");
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const {preferenceSpec} = require("devtools/shared/specs/preference");
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/**
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* Normally the preferences are set using Services.prefs, but this actor allows
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* a debugger client to set preferences on the debuggee. This is particularly useful
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* when remote debugging, and the preferences should persist to the remote target
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* and not to the client. If used for a local target, it effectively behaves the same
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* as using Services.prefs.
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*
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* This actor is used as a global-scoped actor, targeting the entire browser, not an
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* individual tab.
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*/
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var PreferenceActor = protocol.ActorClassWithSpec(preferenceSpec, {
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typeName: "preference",
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getBoolPref: function(name) {
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return Services.prefs.getBoolPref(name);
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},
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getCharPref: function(name) {
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return Services.prefs.getCharPref(name);
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},
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getIntPref: function(name) {
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return Services.prefs.getIntPref(name);
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},
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getAllPrefs: function() {
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const prefs = {};
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Services.prefs.getChildList("").forEach(function(name, index) {
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// append all key/value pairs into a huge json object.
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try {
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let value;
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switch (Services.prefs.getPrefType(name)) {
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case Ci.nsIPrefBranch.PREF_STRING:
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value = Services.prefs.getCharPref(name);
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break;
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case Ci.nsIPrefBranch.PREF_INT:
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value = Services.prefs.getIntPref(name);
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break;
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case Ci.nsIPrefBranch.PREF_BOOL:
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value = Services.prefs.getBoolPref(name);
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break;
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default:
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}
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prefs[name] = {
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value: value,
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hasUserValue: Services.prefs.prefHasUserValue(name)
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};
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} catch (e) {
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// pref exists but has no user or default value
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}
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});
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return prefs;
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},
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setBoolPref: function(name, value) {
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Services.prefs.setBoolPref(name, value);
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Services.prefs.savePrefFile(null);
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},
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setCharPref: function(name, value) {
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Services.prefs.setCharPref(name, value);
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Services.prefs.savePrefFile(null);
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},
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setIntPref: function(name, value) {
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Services.prefs.setIntPref(name, value);
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Services.prefs.savePrefFile(null);
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},
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clearUserPref: function(name) {
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Services.prefs.clearUserPref(name);
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Services.prefs.savePrefFile(null);
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},
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});
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exports.PreferenceActor = PreferenceActor;
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