1 files changed, 123 insertions, 0 deletions
diff --git a/comm/mail/base/content/shortcutsOverlay.js b/comm/mail/base/content/shortcutsOverlay.js
new file mode 100644
index 0000000000..85bf20b5ec
--- /dev/null
+++ b/comm/mail/base/content/shortcutsOverlay.js
@@ -0,0 +1,123 @@
+/* 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";
+
+// Wrap in a block to prevent leaking to window scope.
+{
+  var { XPCOMUtils } = ChromeUtils.importESModule(
+    "resource://gre/modules/XPCOMUtils.sys.mjs"
+  );
+
+  XPCOMUtils.defineLazyModuleGetters(this, {
+    ShortcutsManager: "resource:///modules/ShortcutsManager.jsm",
+  });
+
+  function setupShortcuts() {
+    // Set up all dedicated shortcuts.
+    setupSpacesShortcuts();
+
+    // Set up the event listener.
+    setupEventListener();
+  }
+
+  /**
+   * Use the ShortcutManager to set up all keyboard shortcuts for the spaces
+   * toolbar buttons.
+   */
+  async function setupSpacesShortcuts() {
+    // Set up all shortcut strings for the various spaces buttons.
+    let buttons = {
+      "space-toggle": ["collapseButton", "spacesToolbarReveal"],
+      "space-mail": ["mailButton"],
+      "space-addressbook": ["addressBookButton"],
+      "space-calendar": ["calendarButton"],
+      "space-tasks": ["tasksButton"],
+      "space-chat": ["chatButton"],
+    };
+    for (let [string, ids] of Object.entries(buttons)) {
+      let shortcut = await ShortcutsManager.getShortcutStrings(string);
+      if (!shortcut) {
+        continue;
+      }
+
+      for (let id of ids) {
+        let button = document.getElementById(id);
+        button.setAttribute("aria-label", button.title);
+        document.l10n.setAttributes(button, "button-shortcut-string", {
+          title: button.title,
+          shortcut: shortcut.localizedShortcut,
+        });
+        button.setAttribute("aria-keyshortcuts", shortcut.ariaKeyShortcuts);
+      }
+    }
+
+    // Set up all shortcut strings for the various spaces menuitems.
+    let menuitems = {
+      "space-toggle": ["spacesPopupButtonReveal"],
+      "space-mail": ["spacesPopupButtonMail"],
+      "space-addressbook": ["spacesPopupButtonAddressBook"],
+      "space-calendar": [
+        "spacesPopupButtonCalendar",
+        "calMenuSwitchToCalendar",
+      ],
+      "space-tasks": ["spacesPopupButtonTasks", "calMenuSwitchToTask"],
+      "space-chat": ["spacesPopupButtonChat", "menu_goChat"],
+    };
+    for (let [string, ids] of Object.entries(menuitems)) {
+      let shortcut = await ShortcutsManager.getShortcutStrings(string);
+      if (!shortcut) {
+        continue;
+      }
+
+      for (let id of ids) {
+        let menuitem = document.getElementById(id);
+        if (!menuitem.label) {
+          await document.l10n.translateElements([menuitem]);
+        }
+        document.l10n.setAttributes(menuitem, "menuitem-shortcut-string", {
+          label: menuitem.label,
+          shortcut: shortcut.localizedShortcut,
+        });
+      }
+    }
+  }
+
+  /**
+   * Set up the keydown event to intercept shortcuts.
+   */
+  function setupEventListener() {
+    let tabmail = document.getElementById("tabmail");
+
+    window.addEventListener("keydown", event => {
+      let shortcut = ShortcutsManager.matches(event);
+      // FIXME: Temporarily ignore numbers coming from the Numpad to prevent
+      // hijacking Alt characters typing in Windows. This can be removed once
+      // we implement customizable shortcuts.
+      if (!shortcut || event.location == 3) {
+        return;
+      }
+      event.preventDefault();
+      event.stopPropagation();
+
+      switch (shortcut.id) {
+        case "space-toggle":
+          window.gSpacesToolbar.toggleToolbar(!window.gSpacesToolbar.isHidden);
+          break;
+        case "space-mail":
+        case "space-addressbook":
+        case "space-calendar":
+        case "space-tasks":
+        case "space-chat":
+          let space = window.gSpacesToolbar.spaces.find(
+            space => space.name == shortcut.id.replace("space-", "")
+          );
+          window.gSpacesToolbar.openSpace(tabmail, space);
+          break;
+      }
+    });
+  }
+
+  window.addEventListener("load", setupShortcuts);
+}