1 files changed, 34 insertions, 0 deletions
diff --git a/accessible/interfaces/nsIAccessibleScrollingEvent.idl b/accessible/interfaces/nsIAccessibleScrollingEvent.idl
new file mode 100644
index 0000000000..229d745793
--- /dev/null
+++ b/accessible/interfaces/nsIAccessibleScrollingEvent.idl
@@ -0,0 +1,34 @@
+/* -*- Mode: C++; 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/. */
+
+#include "nsIAccessibleEvent.idl"
+
+/*
+ * An interface scroll events.
+ * Stores new scroll position and max scroll position.
+ */
+[scriptable, builtinclass, uuid(f75f0b32-5342-4d60-b1a5-b7bd6888eef5)]
+interface nsIAccessibleScrollingEvent : nsIAccessibleEvent
+{
+  /**
+   * New X scroll position within a scrollable container in device pixels.
+   */
+  readonly attribute unsigned long scrollX;
+
+  /**
+   * New Y scroll position within a scrollable container in device pixels.
+   */
+  readonly attribute unsigned long scrollY;
+
+  /**
+  * Max X scroll position within a scrollable container in device pixels.
+   */
+  readonly attribute unsigned long maxScrollX;
+
+  /**
+   * Max Y scroll position within a scrollable container in device pixels.
+   */
+  readonly attribute unsigned long maxScrollY;
+};