forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			112 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
	
		
			3.8 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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var EXPORTED_SYMBOLS = ["ShellService"];
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ChromeUtils.import("resource://gre/modules/AppConstants.jsm");
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ChromeUtils.import("resource://gre/modules/Services.jsm");
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ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
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ChromeUtils.defineModuleGetter(this, "WindowsRegistry",
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                               "resource://gre/modules/WindowsRegistry.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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    if (!Services.prefs.getBoolPref("browser.shell.checkDefaultBrowser")) {
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      return false;
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    }
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    if (AppConstants.platform == "win") {
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      let optOutValue = WindowsRegistry.readRegKey(Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
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                                                   "Software\\Mozilla\\Firefox",
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                                                   "DefaultBrowserOptOut");
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      WindowsRegistry.removeRegKey(Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
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                                   "Software\\Mozilla\\Firefox",
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                                   "DefaultBrowserOptOut");
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      if (optOutValue == "True") {
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        Services.prefs.setBoolPref("browser.shell.checkDefaultBrowser", false);
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        return false;
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      }
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    }
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    return true;
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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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    return false;
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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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var ShellService = new Proxy(ShellServiceInternal, {
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  get(target, name) {
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    if (name in target) {
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      return target[name];
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    }
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    if (target.shellService) {
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      return target.shellService[name];
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    }
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    Services.console.logStringMessage(`${name} not found in ShellService: ${target.shellService}`);
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    return undefined;
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  }
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});
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