blob: 428a27715c43fb8abe518e7810d64e4b5d03473c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
// Copyright 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 UI_VIEWS_CONTROLS_SCROLLBAR_OVERLAY_SCROLL_BAR_H_
#define UI_VIEWS_CONTROLS_SCROLLBAR_OVERLAY_SCROLL_BAR_H_
#include "ui/gfx/animation/slide_animation.h"
#include "ui/views/controls/scrollbar/base_scroll_bar.h"
namespace views {
// The transparent scrollbar which overlays its contents.
class VIEWS_EXPORT OverlayScrollBar : public BaseScrollBar {
public:
explicit OverlayScrollBar(bool horizontal);
virtual ~OverlayScrollBar();
protected:
// BaseScrollBar overrides:
virtual gfx::Rect GetTrackBounds() const OVERRIDE;
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
// ScrollBar overrides:
virtual int GetLayoutSize() const OVERRIDE;
virtual int GetContentOverlapSize() const OVERRIDE;
virtual void OnMouseEnteredScrollView(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseExitedScrollView(const ui::MouseEvent& event) OVERRIDE;
// View overrides:
virtual gfx::Size GetPreferredSize() const OVERRIDE;
virtual void Layout() OVERRIDE;
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
private:
gfx::SlideAnimation animation_;
DISALLOW_COPY_AND_ASSIGN(OverlayScrollBar);
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_SCROLLBAR_OVERLAY_SCROLL_BAR_H_
|
