OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
(...skipping 122 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
133 } | 133 } |
134 | 134 |
135 void LayoutScrollbarPart::computeScrollbarWidth() { | 135 void LayoutScrollbarPart::computeScrollbarWidth() { |
136 if (!m_scrollbar->owningLayoutObject()) | 136 if (!m_scrollbar->owningLayoutObject()) |
137 return; | 137 return; |
138 // FIXME: We are querying layout information but nothing guarantees that it's | 138 // FIXME: We are querying layout information but nothing guarantees that it's |
139 // up to date, especially since we are called at style change. | 139 // up to date, especially since we are called at style change. |
140 // FIXME: Querying the style's border information doesn't work on table cells | 140 // FIXME: Querying the style's border information doesn't work on table cells |
141 // with collapsing borders. | 141 // with collapsing borders. |
142 int visibleSize = | 142 int visibleSize = |
143 (m_scrollbar->owningLayoutObject()->size().width() - | 143 m_scrollbar->owningLayoutObject()->size().width() - |
144 m_scrollbar->owningLayoutObject()->style()->borderLeftWidth() - | 144 m_scrollbar->owningLayoutObject()->style()->borderLeftWidth() - |
145 m_scrollbar->owningLayoutObject()->style()->borderRightWidth()) | 145 m_scrollbar->owningLayoutObject()->style()->borderRightWidth(); |
146 .toInt(); | |
147 int w = calcScrollbarThicknessUsing(MainOrPreferredSize, style()->width(), | 146 int w = calcScrollbarThicknessUsing(MainOrPreferredSize, style()->width(), |
148 visibleSize); | 147 visibleSize); |
149 int minWidth = | 148 int minWidth = |
150 calcScrollbarThicknessUsing(MinSize, style()->minWidth(), visibleSize); | 149 calcScrollbarThicknessUsing(MinSize, style()->minWidth(), visibleSize); |
151 int maxWidth = style()->maxWidth().isMaxSizeNone() | 150 int maxWidth = style()->maxWidth().isMaxSizeNone() |
152 ? w | 151 ? w |
153 : calcScrollbarThicknessUsing(MaxSize, style()->maxWidth(), | 152 : calcScrollbarThicknessUsing(MaxSize, style()->maxWidth(), |
154 visibleSize); | 153 visibleSize); |
155 setWidth(LayoutUnit(std::max(minWidth, std::min(maxWidth, w)))); | 154 setWidth(LayoutUnit(std::max(minWidth, std::min(maxWidth, w)))); |
156 | 155 |
157 // Buttons and track pieces can all have margins along the axis of the | 156 // Buttons and track pieces can all have margins along the axis of the |
158 // scrollbar. | 157 // scrollbar. |
159 setMarginLeft( | 158 setMarginLeft( |
160 minimumValueForLength(style()->marginLeft(), LayoutUnit(visibleSize))); | 159 minimumValueForLength(style()->marginLeft(), LayoutUnit(visibleSize))); |
161 setMarginRight( | 160 setMarginRight( |
162 minimumValueForLength(style()->marginRight(), LayoutUnit(visibleSize))); | 161 minimumValueForLength(style()->marginRight(), LayoutUnit(visibleSize))); |
163 } | 162 } |
164 | 163 |
165 void LayoutScrollbarPart::computeScrollbarHeight() { | 164 void LayoutScrollbarPart::computeScrollbarHeight() { |
166 if (!m_scrollbar->owningLayoutObject()) | 165 if (!m_scrollbar->owningLayoutObject()) |
167 return; | 166 return; |
168 // FIXME: We are querying layout information but nothing guarantees that it's | 167 // FIXME: We are querying layout information but nothing guarantees that it's |
169 // up to date, especially since we are called at style change. | 168 // up to date, especially since we are called at style change. |
170 // FIXME: Querying the style's border information doesn't work on table cells | 169 // FIXME: Querying the style's border information doesn't work on table cells |
171 // with collapsing borders. | 170 // with collapsing borders. |
172 int visibleSize = | 171 int visibleSize = |
173 (m_scrollbar->owningLayoutObject()->size().height() - | 172 m_scrollbar->owningLayoutObject()->size().height() - |
174 m_scrollbar->owningLayoutObject()->style()->borderTopWidth() - | 173 m_scrollbar->owningLayoutObject()->style()->borderTopWidth() - |
175 m_scrollbar->owningLayoutObject()->style()->borderBottomWidth()) | 174 m_scrollbar->owningLayoutObject()->style()->borderBottomWidth(); |
176 .toInt(); | |
177 int h = calcScrollbarThicknessUsing(MainOrPreferredSize, style()->height(), | 175 int h = calcScrollbarThicknessUsing(MainOrPreferredSize, style()->height(), |
178 visibleSize); | 176 visibleSize); |
179 int minHeight = | 177 int minHeight = |
180 calcScrollbarThicknessUsing(MinSize, style()->minHeight(), visibleSize); | 178 calcScrollbarThicknessUsing(MinSize, style()->minHeight(), visibleSize); |
181 int maxHeight = style()->maxHeight().isMaxSizeNone() | 179 int maxHeight = style()->maxHeight().isMaxSizeNone() |
182 ? h | 180 ? h |
183 : calcScrollbarThicknessUsing( | 181 : calcScrollbarThicknessUsing( |
184 MaxSize, style()->maxHeight(), visibleSize); | 182 MaxSize, style()->maxHeight(), visibleSize); |
185 setHeight(LayoutUnit(std::max(minHeight, std::min(maxHeight, h)))); | 183 setHeight(LayoutUnit(std::max(minHeight, std::min(maxHeight, h)))); |
186 | 184 |
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
247 m_scrollableArea->setScrollCornerNeedsPaintInvalidation(); | 245 m_scrollableArea->setScrollCornerNeedsPaintInvalidation(); |
248 } | 246 } |
249 | 247 |
250 LayoutRect LayoutScrollbarPart::visualRect() const { | 248 LayoutRect LayoutScrollbarPart::visualRect() const { |
251 // This returns the combined bounds of all scrollbar parts, which is | 249 // This returns the combined bounds of all scrollbar parts, which is |
252 // sufficient for correctness but not as tight as it could be. | 250 // sufficient for correctness but not as tight as it could be. |
253 return m_scrollableArea->visualRectForScrollbarParts(); | 251 return m_scrollableArea->visualRectForScrollbarParts(); |
254 } | 252 } |
255 | 253 |
256 } // namespace blink | 254 } // namespace blink |
OLD | NEW |