1/*
2 * Copyright (C) 2012 Google 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#include "platform/exported/WebScrollbarThemeGeometryNative.h"
29
30#include "platform/exported/WebScrollbarThemeClientImpl.h"
31#include "platform/scroll/ScrollbarTheme.h"
32#include "public/platform/WebScrollbar.h"
33
34namespace blink {
35
36PassOwnPtr<WebScrollbarThemeGeometryNative> WebScrollbarThemeGeometryNative::create(ScrollbarTheme* theme)
37{
38    return adoptPtr(new WebScrollbarThemeGeometryNative(theme));
39}
40
41WebScrollbarThemeGeometryNative::WebScrollbarThemeGeometryNative(ScrollbarTheme* theme)
42    : m_theme(theme)
43{
44}
45
46WebScrollbarThemeGeometryNative* WebScrollbarThemeGeometryNative::clone() const
47{
48    return new WebScrollbarThemeGeometryNative(m_theme);
49}
50
51int WebScrollbarThemeGeometryNative::thumbPosition(WebScrollbar* scrollbar)
52{
53    WebScrollbarThemeClientImpl client(scrollbar);
54    return m_theme->thumbPosition(&client);
55}
56
57int WebScrollbarThemeGeometryNative::thumbLength(WebScrollbar* scrollbar)
58{
59    WebScrollbarThemeClientImpl client(scrollbar);
60    return m_theme->thumbLength(&client);
61}
62
63int WebScrollbarThemeGeometryNative::trackPosition(WebScrollbar* scrollbar)
64{
65    WebScrollbarThemeClientImpl client(scrollbar);
66    return m_theme->trackPosition(&client);
67}
68
69int WebScrollbarThemeGeometryNative::trackLength(WebScrollbar* scrollbar)
70{
71    WebScrollbarThemeClientImpl client(scrollbar);
72    return m_theme->trackLength(&client);
73}
74
75bool WebScrollbarThemeGeometryNative::hasButtons(WebScrollbar* scrollbar)
76{
77    WebScrollbarThemeClientImpl client(scrollbar);
78    return m_theme->hasButtons(&client);
79}
80
81bool WebScrollbarThemeGeometryNative::hasThumb(WebScrollbar* scrollbar)
82{
83    WebScrollbarThemeClientImpl client(scrollbar);
84    return m_theme->hasThumb(&client);
85}
86
87WebRect WebScrollbarThemeGeometryNative::trackRect(WebScrollbar* scrollbar)
88{
89    WebScrollbarThemeClientImpl client(scrollbar);
90    return m_theme->trackRect(&client);
91}
92
93WebRect WebScrollbarThemeGeometryNative::thumbRect(WebScrollbar* scrollbar)
94{
95    WebScrollbarThemeClientImpl client(scrollbar);
96    return m_theme->thumbRect(&client);
97}
98
99int WebScrollbarThemeGeometryNative::minimumThumbLength(WebScrollbar* scrollbar)
100{
101    WebScrollbarThemeClientImpl client(scrollbar);
102    return m_theme->minimumThumbLength(&client);
103}
104
105int WebScrollbarThemeGeometryNative::scrollbarThickness(WebScrollbar* scrollbar)
106{
107    WebScrollbarThemeClientImpl client(scrollbar);
108    return m_theme->scrollbarThickness(client.controlSize());
109}
110
111WebRect WebScrollbarThemeGeometryNative::backButtonStartRect(WebScrollbar* scrollbar)
112{
113    WebScrollbarThemeClientImpl client(scrollbar);
114    return m_theme->backButtonRect(&client, BackButtonStartPart, false);
115}
116
117WebRect WebScrollbarThemeGeometryNative::backButtonEndRect(WebScrollbar* scrollbar)
118{
119    WebScrollbarThemeClientImpl client(scrollbar);
120    return m_theme->backButtonRect(&client, BackButtonEndPart, false);
121}
122
123WebRect WebScrollbarThemeGeometryNative::forwardButtonStartRect(WebScrollbar* scrollbar)
124{
125    WebScrollbarThemeClientImpl client(scrollbar);
126    return m_theme->forwardButtonRect(&client, ForwardButtonStartPart, false);
127}
128
129WebRect WebScrollbarThemeGeometryNative::forwardButtonEndRect(WebScrollbar* scrollbar)
130{
131    WebScrollbarThemeClientImpl client(scrollbar);
132    return m_theme->forwardButtonRect(&client, ForwardButtonEndPart, false);
133}
134
135WebRect WebScrollbarThemeGeometryNative::constrainTrackRectToTrackPieces(WebScrollbar* scrollbar, const WebRect& rect)
136{
137    WebScrollbarThemeClientImpl client(scrollbar);
138    return m_theme->constrainTrackRectToTrackPieces(&client, IntRect(rect));
139}
140
141void WebScrollbarThemeGeometryNative::splitTrack(WebScrollbar* scrollbar, const WebRect& webTrack, WebRect& webStartTrack, WebRect& webThumb, WebRect& webEndTrack)
142{
143    WebScrollbarThemeClientImpl client(scrollbar);
144    IntRect track(webTrack);
145    IntRect startTrack;
146    IntRect thumb;
147    IntRect endTrack;
148    m_theme->splitTrack(&client, track, startTrack, thumb, endTrack);
149
150    webStartTrack = startTrack;
151    webThumb = thumb;
152    webEndTrack = endTrack;
153}
154
155} // namespace blink
156