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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved. |
3 * 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmo
bile.com/) | 3 * 2009 Torch Mobile Inc. All rights reserved. |
| 4 * (http://www.torchmobile.com/) |
4 * | 5 * |
5 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
7 * are met: | 8 * are met: |
8 * | 9 * |
9 * 1. Redistributions of source code must retain the above copyright | 10 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 11 * notice, this list of conditions and the following disclaimer. |
11 * 2. Redistributions in binary form must reproduce the above copyright | 12 * 2. Redistributions in binary form must reproduce the above copyright |
12 * notice, this list of conditions and the following disclaimer in the | 13 * notice, this list of conditions and the following disclaimer in the |
13 * documentation and/or other materials provided with the distribution. | 14 * documentation and/or other materials provided with the distribution. |
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31 | 32 |
32 #include "core/dom/ElementTraversal.h" | 33 #include "core/dom/ElementTraversal.h" |
33 #include "core/html/HTMLDivElement.h" | 34 #include "core/html/HTMLDivElement.h" |
34 #include "core/html/HTMLOptGroupElement.h" | 35 #include "core/html/HTMLOptGroupElement.h" |
35 #include "core/html/HTMLOptionElement.h" | 36 #include "core/html/HTMLOptionElement.h" |
36 #include "core/html/HTMLSelectElement.h" | 37 #include "core/html/HTMLSelectElement.h" |
37 #include "core/paint/PaintLayer.h" | 38 #include "core/paint/PaintLayer.h" |
38 | 39 |
39 namespace blink { | 40 namespace blink { |
40 | 41 |
41 // Default size when the multiple attribute is present but size attribute is abs
ent. | 42 // Default size when the multiple attribute is present but size attribute is |
| 43 // absent. |
42 const int defaultSize = 4; | 44 const int defaultSize = 4; |
43 | 45 |
44 const int defaultPaddingBottom = 1; | 46 const int defaultPaddingBottom = 1; |
45 | 47 |
46 LayoutListBox::LayoutListBox(Element* element) : LayoutBlockFlow(element) { | 48 LayoutListBox::LayoutListBox(Element* element) : LayoutBlockFlow(element) { |
47 ASSERT(element); | 49 ASSERT(element); |
48 ASSERT(element->isHTMLElement()); | 50 ASSERT(element->isHTMLElement()); |
49 ASSERT(isHTMLSelectElement(element)); | 51 ASSERT(isHTMLSelectElement(element)); |
50 } | 52 } |
51 | 53 |
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89 maxHeight = std::max(maxHeight, itemHeight); | 91 maxHeight = std::max(maxHeight, itemHeight); |
90 } | 92 } |
91 return maxHeight; | 93 return maxHeight; |
92 } | 94 } |
93 | 95 |
94 void LayoutListBox::computeLogicalHeight( | 96 void LayoutListBox::computeLogicalHeight( |
95 LayoutUnit, | 97 LayoutUnit, |
96 LayoutUnit logicalTop, | 98 LayoutUnit logicalTop, |
97 LogicalExtentComputedValues& computedValues) const { | 99 LogicalExtentComputedValues& computedValues) const { |
98 LayoutUnit height = itemHeight() * size(); | 100 LayoutUnit height = itemHeight() * size(); |
99 // FIXME: The item height should have been added before updateLogicalHeight wa
s called to avoid this hack. | 101 // FIXME: The item height should have been added before updateLogicalHeight |
| 102 // was called to avoid this hack. |
100 setIntrinsicContentLogicalHeight(height); | 103 setIntrinsicContentLogicalHeight(height); |
101 | 104 |
102 height += borderAndPaddingHeight(); | 105 height += borderAndPaddingHeight(); |
103 | 106 |
104 LayoutBox::computeLogicalHeight(height, logicalTop, computedValues); | 107 LayoutBox::computeLogicalHeight(height, logicalTop, computedValues); |
105 } | 108 } |
106 | 109 |
107 void LayoutListBox::stopAutoscroll() { | 110 void LayoutListBox::stopAutoscroll() { |
108 HTMLSelectElement* select = selectElement(); | 111 HTMLSelectElement* select = selectElement(); |
109 if (select->isDisabledFormControl()) | 112 if (select->isDisabledFormControl()) |
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124 if (hasOverflowClip()) { | 127 if (hasOverflowClip()) { |
125 ASSERT(layer()); | 128 ASSERT(layer()); |
126 ASSERT(layer()->getScrollableArea()); | 129 ASSERT(layer()->getScrollableArea()); |
127 layer()->getScrollableArea()->scrollIntoView( | 130 layer()->getScrollableArea()->scrollIntoView( |
128 rect, ScrollAlignment::alignToEdgeIfNeeded, | 131 rect, ScrollAlignment::alignToEdgeIfNeeded, |
129 ScrollAlignment::alignToEdgeIfNeeded); | 132 ScrollAlignment::alignToEdgeIfNeeded); |
130 } | 133 } |
131 } | 134 } |
132 | 135 |
133 } // namespace blink | 136 } // namespace blink |
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