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1 /* | |
2 * This file is part of the select element renderer in WebCore. | |
3 * | |
4 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. | |
5 * | |
6 * Redistribution and use in source and binary forms, with or without | |
7 * modification, are permitted provided that the following conditions | |
8 * are met: | |
9 * | |
10 * 1. Redistributions of source code must retain the above copyright | |
11 * notice, this list of conditions and the following disclaimer. | |
12 * 2. Redistributions in binary form must reproduce the above copyright | |
13 * notice, this list of conditions and the following disclaimer in the | |
14 * documentation and/or other materials provided with the distribution. | |
15 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
16 * its contributors may be used to endorse or promote products derived | |
17 * from this software without specific prior written permission. | |
18 * | |
19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef RenderListBox_h | |
32 #define RenderListBox_h | |
33 | |
34 #include "core/rendering/RenderBlockFlow.h" | |
35 | |
36 namespace blink { | |
37 | |
38 class HTMLSelectElement; | |
39 | |
40 class RenderListBox final : public RenderBlockFlow { | |
41 public: | |
42 explicit RenderListBox(Element*); | |
43 virtual ~RenderListBox(); | |
44 | |
45 int size() const; | |
46 | |
47 // Unlike scrollRectToVisible this will not scroll parent boxes. | |
48 void scrollToRect(const LayoutRect&); | |
49 | |
50 private: | |
51 HTMLSelectElement* selectElement() const; | |
52 | |
53 virtual const char* renderName() const override { return "RenderListBox"; } | |
54 | |
55 virtual bool isOfType(LayoutObjectType type) const override { return type ==
LayoutObjectListBox || RenderBlockFlow::isOfType(type); } | |
56 | |
57 virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logic
alTop, LogicalExtentComputedValues&) const override; | |
58 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, Layo
utUnit& maxLogicalWidth) const override; | |
59 | |
60 virtual void stopAutoscroll() override; | |
61 | |
62 LayoutUnit defaultItemHeight() const; | |
63 LayoutUnit itemHeight() const; | |
64 }; | |
65 | |
66 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(RenderListBox, isListBox()); | |
67 | |
68 } // namepace blink | |
69 | |
70 #endif // RenderListBox_h | |
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