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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. (http://www.torchmo
bile.com/) |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * | 8 * |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 */ | 28 */ |
29 | 29 |
30 #include "config.h" | 30 #include "config.h" |
31 #include "core/rendering/RenderListBox.h" | 31 #include "core/layout/LayoutListBox.h" |
32 | 32 |
33 #include "core/HTMLNames.h" | 33 #include "core/HTMLNames.h" |
34 #include "core/css/CSSFontSelector.h" | 34 #include "core/css/CSSFontSelector.h" |
35 #include "core/css/resolver/StyleResolver.h" | 35 #include "core/css/resolver/StyleResolver.h" |
36 #include "core/dom/AXObjectCache.h" | 36 #include "core/dom/AXObjectCache.h" |
37 #include "core/dom/Document.h" | 37 #include "core/dom/Document.h" |
38 #include "core/dom/ElementTraversal.h" | 38 #include "core/dom/ElementTraversal.h" |
39 #include "core/dom/NodeLayoutStyle.h" | 39 #include "core/dom/NodeLayoutStyle.h" |
40 #include "core/dom/StyleEngine.h" | 40 #include "core/dom/StyleEngine.h" |
41 #include "core/editing/FrameSelection.h" | 41 #include "core/editing/FrameSelection.h" |
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63 | 63 |
64 namespace blink { | 64 namespace blink { |
65 | 65 |
66 using namespace HTMLNames; | 66 using namespace HTMLNames; |
67 | 67 |
68 // Default size when the multiple attribute is present but size attribute is abs
ent. | 68 // Default size when the multiple attribute is present but size attribute is abs
ent. |
69 const int defaultSize = 4; | 69 const int defaultSize = 4; |
70 | 70 |
71 const int defaultPaddingBottom = 1; | 71 const int defaultPaddingBottom = 1; |
72 | 72 |
73 RenderListBox::RenderListBox(Element* element) | 73 LayoutListBox::LayoutListBox(Element* element) |
74 : RenderBlockFlow(element) | 74 : RenderBlockFlow(element) |
75 { | 75 { |
76 ASSERT(element); | 76 ASSERT(element); |
77 ASSERT(element->isHTMLElement()); | 77 ASSERT(element->isHTMLElement()); |
78 ASSERT(isHTMLSelectElement(element)); | 78 ASSERT(isHTMLSelectElement(element)); |
79 } | 79 } |
80 | 80 |
81 RenderListBox::~RenderListBox() | 81 LayoutListBox::~LayoutListBox() |
82 { | 82 { |
83 } | 83 } |
84 | 84 |
85 inline HTMLSelectElement* RenderListBox::selectElement() const | 85 inline HTMLSelectElement* LayoutListBox::selectElement() const |
86 { | 86 { |
87 return toHTMLSelectElement(node()); | 87 return toHTMLSelectElement(node()); |
88 } | 88 } |
89 | 89 |
90 int RenderListBox::size() const | 90 int LayoutListBox::size() const |
91 { | 91 { |
92 int specifiedSize = selectElement()->size(); | 92 int specifiedSize = selectElement()->size(); |
93 if (specifiedSize >= 1) | 93 if (specifiedSize >= 1) |
94 return specifiedSize; | 94 return specifiedSize; |
95 | 95 |
96 return defaultSize; | 96 return defaultSize; |
97 } | 97 } |
98 | 98 |
99 LayoutUnit RenderListBox::defaultItemHeight() const | 99 LayoutUnit LayoutListBox::defaultItemHeight() const |
100 { | 100 { |
101 return style()->fontMetrics().height() + defaultPaddingBottom; | 101 return style()->fontMetrics().height() + defaultPaddingBottom; |
102 } | 102 } |
103 | 103 |
104 LayoutUnit RenderListBox::itemHeight() const | 104 LayoutUnit LayoutListBox::itemHeight() const |
105 { | 105 { |
106 HTMLSelectElement* select = selectElement(); | 106 HTMLSelectElement* select = selectElement(); |
107 if (!select) | 107 if (!select) |
108 return 0; | 108 return 0; |
109 Element* baseItem = ElementTraversal::firstChild(*select); | 109 Element* baseItem = ElementTraversal::firstChild(*select); |
110 if (!baseItem) | 110 if (!baseItem) |
111 return defaultItemHeight(); | 111 return defaultItemHeight(); |
112 if (isHTMLOptGroupElement(baseItem)) | 112 if (isHTMLOptGroupElement(baseItem)) |
113 baseItem = &toHTMLOptGroupElement(baseItem)->optGroupLabelElement(); | 113 baseItem = &toHTMLOptGroupElement(baseItem)->optGroupLabelElement(); |
114 else if (!isHTMLOptionElement(baseItem)) | 114 else if (!isHTMLOptionElement(baseItem)) |
115 return defaultItemHeight(); | 115 return defaultItemHeight(); |
116 LayoutObject* baseItemRenderer = baseItem->renderer(); | 116 LayoutObject* baseItemRenderer = baseItem->renderer(); |
117 if (!baseItemRenderer) | 117 if (!baseItemRenderer) |
118 return defaultItemHeight(); | 118 return defaultItemHeight(); |
119 if (!baseItemRenderer || !baseItemRenderer->isBox()) | 119 if (!baseItemRenderer || !baseItemRenderer->isBox()) |
120 return defaultItemHeight(); | 120 return defaultItemHeight(); |
121 return toRenderBox(baseItemRenderer)->size().height(); | 121 return toRenderBox(baseItemRenderer)->size().height(); |
122 } | 122 } |
123 | 123 |
124 void RenderListBox::computeLogicalHeight(LayoutUnit, LayoutUnit logicalTop, Logi
calExtentComputedValues& computedValues) const | 124 void LayoutListBox::computeLogicalHeight(LayoutUnit, LayoutUnit logicalTop, Logi
calExtentComputedValues& computedValues) const |
125 { | 125 { |
126 LayoutUnit height = itemHeight() * size(); | 126 LayoutUnit height = itemHeight() * size(); |
127 // FIXME: The item height should have been added before updateLogicalHeight
was called to avoid this hack. | 127 // FIXME: The item height should have been added before updateLogicalHeight
was called to avoid this hack. |
128 setIntrinsicContentLogicalHeight(height); | 128 setIntrinsicContentLogicalHeight(height); |
129 | 129 |
130 height += borderAndPaddingHeight(); | 130 height += borderAndPaddingHeight(); |
131 | 131 |
132 RenderBox::computeLogicalHeight(height, logicalTop, computedValues); | 132 RenderBox::computeLogicalHeight(height, logicalTop, computedValues); |
133 } | 133 } |
134 | 134 |
135 void RenderListBox::stopAutoscroll() | 135 void LayoutListBox::stopAutoscroll() |
136 { | 136 { |
137 HTMLSelectElement* select = selectElement(); | 137 HTMLSelectElement* select = selectElement(); |
138 if (select->isDisabledFormControl()) | 138 if (select->isDisabledFormControl()) |
139 return; | 139 return; |
140 select->handleMouseRelease(); | 140 select->handleMouseRelease(); |
141 } | 141 } |
142 | 142 |
143 void RenderListBox::computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, L
ayoutUnit& maxLogicalWidth) const | 143 void LayoutListBox::computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, L
ayoutUnit& maxLogicalWidth) const |
144 { | 144 { |
145 RenderBlockFlow::computeIntrinsicLogicalWidths(minLogicalWidth, maxLogicalWi
dth); | 145 RenderBlockFlow::computeIntrinsicLogicalWidths(minLogicalWidth, maxLogicalWi
dth); |
146 if (style()->width().isPercent()) | 146 if (style()->width().isPercent()) |
147 minLogicalWidth = 0; | 147 minLogicalWidth = 0; |
148 } | 148 } |
149 | 149 |
150 void RenderListBox::scrollToRect(const LayoutRect& rect) | 150 void LayoutListBox::scrollToRect(const LayoutRect& rect) |
151 { | 151 { |
152 if (hasOverflowClip()) { | 152 if (hasOverflowClip()) { |
153 ASSERT(layer()); | 153 ASSERT(layer()); |
154 ASSERT(layer()->scrollableArea()); | 154 ASSERT(layer()->scrollableArea()); |
155 layer()->scrollableArea()->exposeRect(rect, ScrollAlignment::alignToEdge
IfNeeded, ScrollAlignment::alignToEdgeIfNeeded); | 155 layer()->scrollableArea()->exposeRect(rect, ScrollAlignment::alignToEdge
IfNeeded, ScrollAlignment::alignToEdgeIfNeeded); |
156 } | 156 } |
157 } | 157 } |
158 | 158 |
159 } // namespace blink | 159 } // namespace blink |
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