зеркало из https://github.com/mozilla/gecko-dev.git
99 строки
2.7 KiB
JavaScript
99 строки
2.7 KiB
JavaScript
/* 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/. */
|
|
|
|
function closeWindow(aClose, aPromptFunction) {
|
|
let { AppConstants } = ChromeUtils.import("resource://gre/modules/AppConstants.jsm", {});
|
|
|
|
// Closing the last window doesn't quit the application on OS X.
|
|
if (AppConstants.platform != "macosx") {
|
|
var windowCount = 0;
|
|
for (let w of Services.wm.getEnumerator(null)) {
|
|
if (w.closed) {
|
|
continue;
|
|
}
|
|
if (++windowCount == 2)
|
|
break;
|
|
}
|
|
|
|
// If we're down to the last window and someone tries to shut down, check to make sure we can!
|
|
if (windowCount == 1 && !canQuitApplication("lastwindow"))
|
|
return false;
|
|
if (windowCount != 1 && typeof(aPromptFunction) == "function" && !aPromptFunction())
|
|
return false;
|
|
} else if (typeof(aPromptFunction) == "function" && !aPromptFunction()) {
|
|
return false;
|
|
}
|
|
|
|
if (aClose) {
|
|
window.close();
|
|
return window.closed;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function canQuitApplication(aData) {
|
|
try {
|
|
var cancelQuit = Cc["@mozilla.org/supports-PRBool;1"]
|
|
.createInstance(Ci.nsISupportsPRBool);
|
|
Services.obs.notifyObservers(cancelQuit, "quit-application-requested", aData || null);
|
|
|
|
// Something aborted the quit process.
|
|
if (cancelQuit.data)
|
|
return false;
|
|
} catch (ex) { }
|
|
return true;
|
|
}
|
|
|
|
function goQuitApplication() {
|
|
if (!canQuitApplication())
|
|
return false;
|
|
|
|
Services.startup.quit(Ci.nsIAppStartup.eAttemptQuit);
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// Command Updater functions
|
|
//
|
|
function goUpdateCommand(aCommand) {
|
|
try {
|
|
var controller = top.document.commandDispatcher
|
|
.getControllerForCommand(aCommand);
|
|
|
|
var enabled = false;
|
|
if (controller)
|
|
enabled = controller.isCommandEnabled(aCommand);
|
|
|
|
goSetCommandEnabled(aCommand, enabled);
|
|
} catch (e) {
|
|
Cu.reportError("An error occurred updating the " +
|
|
aCommand + " command: " + e);
|
|
}
|
|
}
|
|
|
|
function goDoCommand(aCommand) {
|
|
try {
|
|
var controller = top.document.commandDispatcher
|
|
.getControllerForCommand(aCommand);
|
|
if (controller && controller.isCommandEnabled(aCommand))
|
|
controller.doCommand(aCommand);
|
|
} catch (e) {
|
|
Cu.reportError("An error occurred executing the " +
|
|
aCommand + " command: " + e);
|
|
}
|
|
}
|
|
|
|
|
|
function goSetCommandEnabled(aID, aEnabled) {
|
|
var node = document.getElementById(aID);
|
|
|
|
if (node) {
|
|
if (aEnabled)
|
|
node.removeAttribute("disabled");
|
|
else
|
|
node.setAttribute("disabled", "true");
|
|
}
|
|
}
|