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/* 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";
var EXPORTED_SYMBOLS = ["ShellService"];
const { AppConstants } = ChromeUtils.import(
"resource://gre/modules/AppConstants.jsm"
);
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
const { XPCOMUtils } = ChromeUtils.import(
"resource://gre/modules/XPCOMUtils.jsm"
);
ChromeUtils.defineModuleGetter(
this,
"WindowsRegistry",
"resource://gre/modules/WindowsRegistry.jsm"
);
/**
* Internal functionality to save and restore the docShell.allow* properties.
*/
let ShellServiceInternal = {
/**
* Used to determine whether or not to offer "Set as desktop background"
* functionality. Even if shell service is available it is not
* guaranteed that it is able to set the background for every desktop
* which is especially true for Linux with its many different desktop
* environments.
*/
get canSetDesktopBackground() {
if (AppConstants.platform == "win" || AppConstants.platform == "macosx") {
return true;
}
if (AppConstants.platform == "linux") {
if (this.shellService) {
let linuxShellService = this.shellService.QueryInterface(
Ci.nsIGNOMEShellService
);
return linuxShellService.canSetDesktopBackground;
}
}
return false;
},
isDefaultBrowserOptOut() {
if (AppConstants.platform == "win") {
let optOutValue = WindowsRegistry.readRegKey(
Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
"Software\\Mozilla\\Firefox",
"DefaultBrowserOptOut"
);
WindowsRegistry.removeRegKey(
Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
"Software\\Mozilla\\Firefox",
"DefaultBrowserOptOut"
);
if (optOutValue == "True") {
Services.prefs.setBoolPref("browser.shell.checkDefaultBrowser", false);
return true;
}
}
return false;
},
/**
* Used to determine whether or not to show a "Set Default Browser"
* query dialog. This attribute is true if the application is starting
* up and "browser.shell.checkDefaultBrowser" is true, otherwise it
* is false.
*/
_checkedThisSession: false,
get shouldCheckDefaultBrowser() {
// If we've already checked, the browser has been started and this is a
// new window open, and we don't want to check again.
if (this._checkedThisSession) {
return false;
}
if (!Services.prefs.getBoolPref("browser.shell.checkDefaultBrowser")) {
return false;
}
if (this.isDefaultBrowserOptOut()) {
return false;
}
return true;
},
set shouldCheckDefaultBrowser(shouldCheck) {
Services.prefs.setBoolPref(
"browser.shell.checkDefaultBrowser",
!!shouldCheck
);
},
isDefaultBrowser(startupCheck, forAllTypes) {
// If this is the first browser window, maintain internal state that we've
// checked this session (so that subsequent window opens don't show the
// default browser dialog).
if (startupCheck) {
this._checkedThisSession = true;
}
if (this.shellService) {
return this.shellService.isDefaultBrowser(forAllTypes);
}
return false;
},
setAsDefault() {
let claimAllTypes = true;
let setAsDefaultError = false;
if (AppConstants.platform == "win") {
try {
// In Windows 8+, the UI for selecting default protocol is much
// nicer than the UI for setting file type associations. So we
// only show the protocol association screen on Windows 8+.
// Windows 8 is version 6.2.
let version = Services.sysinfo.getProperty("version");
claimAllTypes = parseFloat(version) < 6.2;
} catch (ex) {}
}
try {
ShellService.setDefaultBrowser(claimAllTypes, false);
} catch (ex) {
setAsDefaultError = true;
Cu.reportError(ex);
}
// Here BROWSER_IS_USER_DEFAULT and BROWSER_SET_USER_DEFAULT_ERROR appear
// to be inverse of each other, but that is only because this function is
// called when the browser is set as the default. During startup we record
// the BROWSER_IS_USER_DEFAULT value without recording BROWSER_SET_USER_DEFAULT_ERROR.
Services.telemetry
.getHistogramById("BROWSER_IS_USER_DEFAULT")
.add(!setAsDefaultError);
Services.telemetry
.getHistogramById("BROWSER_SET_DEFAULT_ERROR")
.add(setAsDefaultError);
},
};
XPCOMUtils.defineLazyServiceGetter(
ShellServiceInternal,
"shellService",
"@mozilla.org/browser/shell-service;1",
Ci.nsIShellService
);
/**
* The external API exported by this module.
*/
var ShellService = new Proxy(ShellServiceInternal, {
get(target, name) {
if (name in target) {
return target[name];
}
if (target.shellService) {
return target.shellService[name];
}
Services.console.logStringMessage(
`${name} not found in ShellService: ${target.shellService}`
);
return undefined;
},
});
|
