| // Copyright 2014 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 WebScrollbarBehavior_h |
| #define WebScrollbarBehavior_h |
| |
| namespace blink { |
| |
| struct WebPoint; |
| struct WebRect; |
| |
| class WebScrollbarBehavior { |
| public: |
| enum Button { |
| ButtonNone = -1, |
| ButtonLeft, |
| ButtonMiddle, |
| ButtonRight |
| }; |
| virtual ~WebScrollbarBehavior() { } |
| virtual bool shouldCenterOnThumb(Button, bool shiftKeyPressed, bool altKeyPressed) { return false; } |
| virtual bool shouldSnapBackToDragOrigin(const WebPoint& eventPoint, const WebRect& scrollbarRect, bool isHorizontal) { return false; } |
| }; |
| |
| } // namespace blink |
| |
| #endif |
