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"use strict";
this.EXPORTED_SYMBOLS = ["ShellService"];
const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "WindowsRegistry",
"resource://gre/modules/WindowsRegistry.jsm");
/**
* Internal functionality to save and restore the docShell.allow* properties.
*/
var 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() {
#ifdef XP_LINUX
if (this.shellService) {
let linuxShellService = this.shellService
.QueryInterface(Ci.nsIGNOMEShellService);
return linuxShellService.canSetDesktopBackground;
}
#else
return false;
#endif
},
/**
* 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. I am open to removing this entirely. It's really not the
* browser's bussiness what the XDG or mailcap(5) preferences are.
* This is most likely legacy browser-wars marketing crap.
*/
_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;
}
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(startupCheck, forAllTypes);
}
return false;
}
};
XPCOMUtils.defineLazyServiceGetter(ShellServiceInternal, "shellService",
"@mozilla.org/browser/shell-service;1", Ci.nsIShellService);
/**
* The external API exported by this module.
*/
this.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;
}
});
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