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/*
* This file is part of the select element layoutObject in WebCore.
*
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
* Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef LayoutMenuList_h
#define LayoutMenuList_h
#include "core/CoreExport.h"
#include "core/layout/LayoutFlexibleBox.h"
#include "platform/geometry/LayoutRect.h"
namespace blink {
class HTMLSelectElement;
class LayoutText;
class CORE_EXPORT LayoutMenuList final : public LayoutFlexibleBox {
public:
explicit LayoutMenuList(Element*);
~LayoutMenuList() override;
HTMLSelectElement* selectElement() const;
void setOptionsChanged(bool changed) { m_optionsChanged = changed; }
void didSetSelectedIndex(int optionIndex);
String text() const;
const char* name() const override { return "LayoutMenuList"; }
LayoutUnit clientPaddingLeft() const;
LayoutUnit clientPaddingRight() const;
private:
bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectMenuList || LayoutFlexibleBox::isOfType(type); }
bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
void addChild(LayoutObject* newChild, LayoutObject* beforeChild = nullptr) override;
void removeChild(LayoutObject*) override;
bool createsAnonymousWrapper() const override { return true; }
void updateFromElement() override;
LayoutRect controlClipRect(const LayoutPoint&) const override;
bool hasControlClip() const override { return true; }
void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
bool hasLineIfEmpty() const override { return true; }
// Flexbox defines baselines differently than regular blocks.
// For backwards compatibility, menulists need to do the regular block behavior.
int baselinePosition(FontBaseline baseline, bool firstLine, LineDirectionMode direction, LinePositionMode position) const override
{
return LayoutBlock::baselinePosition(baseline, firstLine, direction, position);
}
int firstLineBoxBaseline() const override { return LayoutBlock::firstLineBoxBaseline(); }
int inlineBlockBaseline(LineDirectionMode direction) const override { return LayoutBlock::inlineBlockBaseline(direction); }
void createInnerBlock();
void adjustInnerStyle();
void setText(const String&);
void setTextFromOption(int optionIndex);
void updateOptionsWidth();
float computeTextWidth(const String&) const;
void updateText();
void setIndexToSelectOnCancel(int listIndex);
void didUpdateActiveOption(int optionIndex);
LayoutText* m_buttonText;
LayoutBlock* m_innerBlock;
bool m_optionsChanged : 1;
bool m_isEmpty : 1;
bool m_hasUpdatedActiveOption : 1;
int m_optionsWidth;
int m_lastActiveIndex;
RefPtr<ComputedStyle> m_optionStyle;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMenuList, isMenuList());
} // namespace blink
#endif
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