зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
2.7 KiB
JavaScript
102 строки
2.7 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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function closeWindow(aClose, aPromptFunction) {
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let { AppConstants } = ChromeUtils.import("resource://gre/modules/AppConstants.jsm", {});
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// Closing the last window doesn't quit the application on OS X.
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if (AppConstants.platform != "macosx") {
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var windowCount = 0;
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var e = Services.wm.getEnumerator(null);
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while (e.hasMoreElements()) {
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var w = e.getNext();
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if (w.closed) {
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continue;
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}
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if (++windowCount == 2)
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break;
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}
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// If we're down to the last window and someone tries to shut down, check to make sure we can!
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if (windowCount == 1 && !canQuitApplication("lastwindow"))
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return false;
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if (windowCount != 1 && typeof(aPromptFunction) == "function" && !aPromptFunction())
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return false;
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} else if (typeof(aPromptFunction) == "function" && !aPromptFunction()) {
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return false;
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}
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if (aClose) {
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window.close();
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return window.closed;
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}
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return true;
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}
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function canQuitApplication(aData) {
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try {
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var cancelQuit = Cc["@mozilla.org/supports-PRBool;1"]
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.createInstance(Ci.nsISupportsPRBool);
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Services.obs.notifyObservers(cancelQuit, "quit-application-requested", aData || null);
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// Something aborted the quit process.
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if (cancelQuit.data)
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return false;
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} catch (ex) { }
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return true;
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}
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function goQuitApplication() {
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if (!canQuitApplication())
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return false;
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Services.startup.quit(Ci.nsIAppStartup.eAttemptQuit);
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return true;
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}
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//
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// Command Updater functions
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//
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function goUpdateCommand(aCommand) {
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try {
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var controller = top.document.commandDispatcher
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.getControllerForCommand(aCommand);
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var enabled = false;
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if (controller)
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enabled = controller.isCommandEnabled(aCommand);
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goSetCommandEnabled(aCommand, enabled);
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} catch (e) {
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Cu.reportError("An error occurred updating the " +
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aCommand + " command: " + e);
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}
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}
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function goDoCommand(aCommand) {
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try {
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var controller = top.document.commandDispatcher
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.getControllerForCommand(aCommand);
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if (controller && controller.isCommandEnabled(aCommand))
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controller.doCommand(aCommand);
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} catch (e) {
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Cu.reportError("An error occurred executing the " +
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aCommand + " command: " + e);
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}
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}
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function goSetCommandEnabled(aID, aEnabled) {
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var node = document.getElementById(aID);
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if (node) {
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if (aEnabled)
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node.removeAttribute("disabled");
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else
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node.setAttribute("disabled", "true");
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}
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}
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