1/*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "ScrollbarThemeIOS.h"
28
29#include "GraphicsContext.h"
30#include "IntRect.h"
31#include "PlatformMouseEvent.h"
32#include "Scrollbar.h"
33#include <wtf/NeverDestroyed.h>
34#include <wtf/StdLibExtras.h>
35
36namespace WebCore {
37
38ScrollbarTheme* ScrollbarTheme::nativeTheme()
39{
40    static NeverDestroyed<ScrollbarThemeIOS> theme;
41    return &theme.get();
42}
43
44void ScrollbarThemeIOS::registerScrollbar(ScrollbarThemeClient*)
45{
46}
47
48void ScrollbarThemeIOS::unregisterScrollbar(ScrollbarThemeClient*)
49{
50}
51
52ScrollbarThemeIOS::ScrollbarThemeIOS()
53{
54}
55
56ScrollbarThemeIOS::~ScrollbarThemeIOS()
57{
58}
59
60void ScrollbarThemeIOS::preferencesChanged()
61{
62}
63
64int ScrollbarThemeIOS::scrollbarThickness(ScrollbarControlSize)
65{
66    return 0;
67}
68
69double ScrollbarThemeIOS::initialAutoscrollTimerDelay()
70{
71    return 0;
72}
73
74double ScrollbarThemeIOS::autoscrollTimerDelay()
75{
76    return 0;
77}
78
79ScrollbarButtonsPlacement ScrollbarThemeIOS::buttonsPlacement() const
80{
81    return ScrollbarButtonsNone;
82}
83
84bool ScrollbarThemeIOS::hasButtons(ScrollbarThemeClient*)
85{
86    return false;
87}
88
89bool ScrollbarThemeIOS::hasThumb(ScrollbarThemeClient*)
90{
91    return false;
92}
93
94IntRect ScrollbarThemeIOS::backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool /*painting*/)
95{
96    return IntRect();
97}
98
99IntRect ScrollbarThemeIOS::forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool /*painting*/)
100{
101    return IntRect();
102}
103
104IntRect ScrollbarThemeIOS::trackRect(ScrollbarThemeClient*, bool /*painting*/)
105{
106    return IntRect();
107}
108
109int ScrollbarThemeIOS::minimumThumbLength(ScrollbarThemeClient*)
110{
111    return 0;
112}
113
114bool ScrollbarThemeIOS::shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseEvent&)
115{
116    return false;
117}
118
119bool ScrollbarThemeIOS::paint(ScrollbarThemeClient*, GraphicsContext*, const IntRect& /*damageRect*/)
120{
121    return true;
122}
123
124} // namespace WebCore
125