Initial browser-side implementation for touch-action

content/common/input/touch_action.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_COMMON_INPUT_TOUCH_ACTION_H_
+#define CONTENT_COMMON_INPUT_TOUCH_ACTION_H_
+
+namespace content {
+
+// The current touch action specifies what accelerated browser operations
+// (panning and zooming) are currently permitted via touch input.
+// See http://www.w3.org/TR/pointerevents/#the-touch-action-css-property.
+enum TouchAction {
+  // No scrolling or zooming allowed.
+  TOUCH_ACTION_NONE,
+
+  // All actions are pemitted (the default).
+  TOUCH_ACTION_AUTO,
+
+  TOUCH_ACTION_MAX = TOUCH_ACTION_AUTO
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_INPUT_TOUCH_ACTION_H_