forked from mirrors/gecko-dev
b82fbe3699
--HG-- extra : commitid : 5Dm73Qky4vC extra : rebase_source : 081f9eb19df15bcde305e87dbacea64cfe488249
86 lines
2.9 KiB
JavaScript
86 lines
2.9 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = ["ShellService"];
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const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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Cu.import("resource://gre/modules/AppConstants.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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/**
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* Internal functionality to save and restore the docShell.allow* properties.
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*/
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let ShellServiceInternal = {
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/**
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* Used to determine whether or not to offer "Set as desktop background"
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* functionality. Even if shell service is available it is not
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* guaranteed that it is able to set the background for every desktop
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* which is especially true for Linux with its many different desktop
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* environments.
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*/
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get canSetDesktopBackground() {
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if (AppConstants.platform == "win" ||
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AppConstants.platform == "macosx") {
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return true;
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}
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if (AppConstants.platform == "linux") {
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if (this.shellService) {
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let linuxShellService = this.shellService
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.QueryInterface(Ci.nsIGNOMEShellService);
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return linuxShellService.canSetDesktopBackground;
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}
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}
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return false;
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},
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/**
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* Used to determine whether or not to show a "Set Default Browser"
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* query dialog. This attribute is true if the application is starting
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* up and "browser.shell.checkDefaultBrowser" is true, otherwise it
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* is false.
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*/
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_checkedThisSession: false,
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get shouldCheckDefaultBrowser() {
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// If we've already checked, the browser has been started and this is a
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// new window open, and we don't want to check again.
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if (this._checkedThisSession) {
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return false;
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}
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return Services.prefs.getBoolPref("browser.shell.checkDefaultBrowser");
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},
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set shouldCheckDefaultBrowser(shouldCheck) {
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Services.prefs.setBoolPref("browser.shell.checkDefaultBrowser", !!shouldCheck);
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},
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isDefaultBrowser(startupCheck, forAllTypes) {
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// If this is the first browser window, maintain internal state that we've
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// checked this session (so that subsequent window opens don't show the
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// default browser dialog).
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if (startupCheck) {
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this._checkedThisSession = true;
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}
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if (this.shellService) {
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return this.shellService.isDefaultBrowser(startupCheck, forAllTypes);
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}
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}
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};
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XPCOMUtils.defineLazyServiceGetter(ShellServiceInternal, "shellService",
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"@mozilla.org/browser/shell-service;1", Ci.nsIShellService);
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/**
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* The external API exported by this module.
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*/
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this.ShellService = new Proxy(ShellServiceInternal, {
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get(target, name) {
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return name in target ? target[name] :
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target.shellService[name];
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}
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});
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