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
34 using namespace WebCore;
35
36 namespace blink {
37
create(WebCore::ScrollbarTheme * theme)38 PassOwnPtr<blink::WebScrollbarThemeGeometryNative> WebScrollbarThemeGeometryNative::create(WebCore::ScrollbarTheme* theme)
39 {
40 return adoptPtr(new WebScrollbarThemeGeometryNative(theme));
41 }
42
WebScrollbarThemeGeometryNative(WebCore::ScrollbarTheme * theme)43 WebScrollbarThemeGeometryNative::WebScrollbarThemeGeometryNative(WebCore::ScrollbarTheme* theme)
44 : m_theme(theme)
45 {
46 }
47
clone() const48 WebScrollbarThemeGeometryNative* WebScrollbarThemeGeometryNative::clone() const
49 {
50 return new WebScrollbarThemeGeometryNative(m_theme);
51 }
52
thumbPosition(WebScrollbar * scrollbar)53 int WebScrollbarThemeGeometryNative::thumbPosition(WebScrollbar* scrollbar)
54 {
55 WebScrollbarThemeClientImpl client(scrollbar);
56 return m_theme->thumbPosition(&client);
57 }
58
thumbLength(WebScrollbar * scrollbar)59 int WebScrollbarThemeGeometryNative::thumbLength(WebScrollbar* scrollbar)
60 {
61 WebScrollbarThemeClientImpl client(scrollbar);
62 return m_theme->thumbLength(&client);
63 }
64
trackPosition(WebScrollbar * scrollbar)65 int WebScrollbarThemeGeometryNative::trackPosition(WebScrollbar* scrollbar)
66 {
67 WebScrollbarThemeClientImpl client(scrollbar);
68 return m_theme->trackPosition(&client);
69 }
70
trackLength(WebScrollbar * scrollbar)71 int WebScrollbarThemeGeometryNative::trackLength(WebScrollbar* scrollbar)
72 {
73 WebScrollbarThemeClientImpl client(scrollbar);
74 return m_theme->trackLength(&client);
75 }
76
hasButtons(WebScrollbar * scrollbar)77 bool WebScrollbarThemeGeometryNative::hasButtons(WebScrollbar* scrollbar)
78 {
79 WebScrollbarThemeClientImpl client(scrollbar);
80 return m_theme->hasButtons(&client);
81 }
82
hasThumb(WebScrollbar * scrollbar)83 bool WebScrollbarThemeGeometryNative::hasThumb(WebScrollbar* scrollbar)
84 {
85 WebScrollbarThemeClientImpl client(scrollbar);
86 return m_theme->hasThumb(&client);
87 }
88
trackRect(WebScrollbar * scrollbar)89 WebRect WebScrollbarThemeGeometryNative::trackRect(WebScrollbar* scrollbar)
90 {
91 WebScrollbarThemeClientImpl client(scrollbar);
92 return m_theme->trackRect(&client);
93 }
94
thumbRect(WebScrollbar * scrollbar)95 WebRect WebScrollbarThemeGeometryNative::thumbRect(WebScrollbar* scrollbar)
96 {
97 WebScrollbarThemeClientImpl client(scrollbar);
98 return m_theme->thumbRect(&client);
99 }
100
minimumThumbLength(WebScrollbar * scrollbar)101 int WebScrollbarThemeGeometryNative::minimumThumbLength(WebScrollbar* scrollbar)
102 {
103 WebScrollbarThemeClientImpl client(scrollbar);
104 return m_theme->minimumThumbLength(&client);
105 }
106
scrollbarThickness(WebScrollbar * scrollbar)107 int WebScrollbarThemeGeometryNative::scrollbarThickness(WebScrollbar* scrollbar)
108 {
109 WebScrollbarThemeClientImpl client(scrollbar);
110 return m_theme->scrollbarThickness(client.controlSize());
111 }
112
backButtonStartRect(WebScrollbar * scrollbar)113 WebRect WebScrollbarThemeGeometryNative::backButtonStartRect(WebScrollbar* scrollbar)
114 {
115 WebScrollbarThemeClientImpl client(scrollbar);
116 return m_theme->backButtonRect(&client, BackButtonStartPart, false);
117 }
118
backButtonEndRect(WebScrollbar * scrollbar)119 WebRect WebScrollbarThemeGeometryNative::backButtonEndRect(WebScrollbar* scrollbar)
120 {
121 WebScrollbarThemeClientImpl client(scrollbar);
122 return m_theme->backButtonRect(&client, BackButtonEndPart, false);
123 }
124
forwardButtonStartRect(WebScrollbar * scrollbar)125 WebRect WebScrollbarThemeGeometryNative::forwardButtonStartRect(WebScrollbar* scrollbar)
126 {
127 WebScrollbarThemeClientImpl client(scrollbar);
128 return m_theme->forwardButtonRect(&client, ForwardButtonStartPart, false);
129 }
130
forwardButtonEndRect(WebScrollbar * scrollbar)131 WebRect WebScrollbarThemeGeometryNative::forwardButtonEndRect(WebScrollbar* scrollbar)
132 {
133 WebScrollbarThemeClientImpl client(scrollbar);
134 return m_theme->forwardButtonRect(&client, ForwardButtonEndPart, false);
135 }
136
constrainTrackRectToTrackPieces(WebScrollbar * scrollbar,const WebRect & rect)137 WebRect WebScrollbarThemeGeometryNative::constrainTrackRectToTrackPieces(WebScrollbar* scrollbar, const WebRect& rect)
138 {
139 WebScrollbarThemeClientImpl client(scrollbar);
140 return m_theme->constrainTrackRectToTrackPieces(&client, IntRect(rect));
141 }
142
splitTrack(WebScrollbar * scrollbar,const WebRect & webTrack,WebRect & webStartTrack,WebRect & webThumb,WebRect & webEndTrack)143 void WebScrollbarThemeGeometryNative::splitTrack(WebScrollbar* scrollbar, const WebRect& webTrack, WebRect& webStartTrack, WebRect& webThumb, WebRect& webEndTrack)
144 {
145 WebScrollbarThemeClientImpl client(scrollbar);
146 IntRect track(webTrack);
147 IntRect startTrack;
148 IntRect thumb;
149 IntRect endTrack;
150 m_theme->splitTrack(&client, track, startTrack, thumb, endTrack);
151
152 webStartTrack = startTrack;
153 webThumb = thumb;
154 webEndTrack = endTrack;
155 }
156
157 } // namespace blink
158