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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://w3c.github.io/input-events/#interface-InputEvent
+ */
+
+[Exposed=Window]
+interface InputEvent : UIEvent
+{
+ constructor(DOMString type, optional InputEventInit eventInitDict = {});
+
+ readonly attribute boolean isComposing;
+
+ readonly attribute DOMString inputType;
+
+ [NeedsCallerType]
+ readonly attribute DOMString? data;
+};
+
+dictionary InputEventInit : UIEventInit
+{
+ boolean isComposing = false;
+ DOMString inputType = "";
+ // NOTE: Currently, default value of `data` attribute is declared as empty
+ // string by UI Events. However, both Chrome and Safari uses `null`,
+ // and there is a spec issue about this:
+ // https://github.com/w3c/uievents/issues/139
+ // So, we take `null` for compatibility with them.
+ DOMString? data = null;
+};
+
+// https://w3c.github.io/input-events/#interface-InputEvent
+// https://rawgit.com/w3c/input-events/v1/index.html#interface-InputEvent
+partial interface InputEvent
+{
+ [NeedsCallerType]
+ readonly attribute DataTransfer? dataTransfer;
+ // Enable `getTargetRanges()` only when `beforeinput` event is enabled
+ // because this may be used for feature detection of `beforeinput` event
+ // support (due to Chrome not supporting `onbeforeinput` attribute).
+ [Pref="dom.input_events.beforeinput.enabled"]
+ sequence<StaticRange> getTargetRanges();
+};
+
+partial dictionary InputEventInit
+{
+ DataTransfer? dataTransfer = null;
+ [Pref="dom.input_events.beforeinput.enabled"]
+ sequence<StaticRange> targetRanges = [];
+};