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-rw-r--r--toolkit/content/globalOverlay.js146
1 files changed, 146 insertions, 0 deletions
diff --git a/toolkit/content/globalOverlay.js b/toolkit/content/globalOverlay.js
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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/. */
+
+function closeWindow(aClose, aPromptFunction, aSource) {
+ let { AppConstants } = ChromeUtils.importESModule(
+ "resource://gre/modules/AppConstants.sys.mjs"
+ );
+
+ // 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", aSource)) {
+ return false;
+ }
+ if (
+ windowCount != 1 &&
+ typeof aPromptFunction == "function" &&
+ !aPromptFunction(aSource)
+ ) {
+ return false;
+ }
+
+ // If the user explicitly closes the last tabs in the window close remaining tabs. Bug 490136
+ if (aClose) {
+ window.SessionStore?.maybeDontRestoreTabs(window);
+ }
+ } else if (
+ typeof aPromptFunction == "function" &&
+ !aPromptFunction(aSource)
+ ) {
+ return false;
+ }
+
+ if (aClose) {
+ window.close();
+ return window.closed;
+ }
+
+ return true;
+}
+
+function canQuitApplication(aData, aSource) {
+ const kCID = "@mozilla.org/browser/browserglue;1";
+ if (kCID in Cc && !(aData || "").includes("restart")) {
+ let BrowserGlue = Cc[kCID].getService(Ci.nsISupports).wrappedJSObject;
+ BrowserGlue._registerQuitSource(aSource);
+ }
+ 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(event) {
+ // We can't know for sure if the user used a shortcut to trigger quit.
+ // Proxy by means of checking for the shortcut modifier.
+ let isMac = navigator.platform.startsWith("Mac");
+ let key = isMac ? "metaKey" : "ctrlKey";
+ let source = "OS";
+ if (event[key]) {
+ source = "shortcut";
+ // Note that macOS likes pretending something came from this menu even if
+ // activated by keyboard shortcut, hence checking that first.
+ } else if (event.sourceEvent?.target?.id?.startsWith("menu_")) {
+ source = "menuitem";
+ } else if (event.sourceEvent?.target?.id?.startsWith("appMenu")) {
+ source = "appmenu";
+ }
+ if (!canQuitApplication(undefined, source)) {
+ 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) {
+ console.error("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) {
+ console.error(
+ "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");
+ }
+ }
+}