1 files changed, 63 insertions, 0 deletions
diff --git a/toolkit/jetpack/sdk/dom/events/keys.js b/toolkit/jetpack/sdk/dom/events/keys.js
new file mode 100644
index 000000000..e6f1483a2
--- /dev/null
+++ b/toolkit/jetpack/sdk/dom/events/keys.js
@@ -0,0 +1,63 @@
+/* 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";
+
+module.metadata = {
+  "stability": "unstable"
+};
+
+const { emit } = require("../events");
+const { getCodeForKey, toJSON } = require("../../keyboard/utils");
+const { has } = require("../../util/array");
+const { isString } = require("../../lang/type");
+
+const INITIALIZER = "initKeyEvent";
+const CATEGORY = "KeyboardEvent";
+
+function Options(options) {
+  if (!isString(options))
+    return options;
+
+  var { key, modifiers } = toJSON(options);
+  return {
+    key: key,
+    control: has(modifiers, "control"),
+    alt: has(modifiers, "alt"),
+    shift: has(modifiers, "shift"),
+    meta: has(modifiers, "meta")
+  };
+}
+
+var keyEvent = exports.keyEvent = function keyEvent(element, type, options) {
+
+  emit(element, type, {
+    initializer: INITIALIZER,
+    category: CATEGORY,
+    settings: [
+      !("bubbles" in options) || options.bubbles !== false,
+      !("cancelable" in options) || options.cancelable !== false,
+      "window" in options && options.window ? options.window : null,
+      "control" in options && !!options.control,
+      "alt" in options && !!options.alt,
+      "shift" in options && !!options.shift,
+      "meta" in options && !!options.meta,
+      getCodeForKey(options.key) || 0,
+      options.key.length === 1 ? options.key.charCodeAt(0) : 0
+    ]
+  });
+}
+
+exports.keyDown = function keyDown(element, options) {
+  keyEvent(element, "keydown", Options(options));
+};
+
+exports.keyUp = function keyUp(element, options) {
+  keyEvent(element, "keyup", Options(options));
+};
+
+exports.keyPress = function keyPress(element, options) {
+  keyEvent(element, "keypress", Options(options));
+};
+