| /* |
| * This file is part of the select element layoutObject in WebCore. |
| * |
| * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef LayoutListBox_h |
| #define LayoutListBox_h |
| |
| #include "core/layout/LayoutBlockFlow.h" |
| |
| namespace blink { |
| |
| class HTMLSelectElement; |
| |
| class LayoutListBox final : public LayoutBlockFlow { |
| public: |
| explicit LayoutListBox(Element*); |
| ~LayoutListBox() override; |
| |
| unsigned size() const; |
| |
| // Unlike scrollRectToVisible this will not scroll parent boxes. |
| void scrollToRect(const LayoutRect&); |
| |
| const char* name() const override { return "LayoutListBox"; } |
| |
| private: |
| HTMLSelectElement* selectElement() const; |
| |
| bool isOfType(LayoutObjectType type) const override { |
| return type == LayoutObjectListBox || LayoutBlockFlow::isOfType(type); |
| } |
| |
| void computeLogicalHeight(LayoutUnit logicalHeight, |
| LayoutUnit logicalTop, |
| LogicalExtentComputedValues&) const override; |
| void computeIntrinsicLogicalWidths( |
| LayoutUnit& minLogicalWidth, |
| LayoutUnit& maxLogicalWidth) const override; |
| |
| void stopAutoscroll() override; |
| |
| LayoutUnit defaultItemHeight() const; |
| LayoutUnit itemHeight() const; |
| }; |
| |
| DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutListBox, isListBox()); |
| |
| } // namespace blink |
| |
| #endif // LayoutListBox_h |