blob: 874f7e5679be93e5c23a100c13fd4bf45e3ca32f [file] [log] [blame]
/*
* 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 THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_LIST_BOX_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_LIST_BOX_H_
#include "third_party/blink/renderer/core/layout/layout_block_flow.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* GetName() const override { return "LayoutListBox"; }
private:
HTMLSelectElement* SelectElement() const;
bool IsOfType(LayoutObjectType type) const override {
return type == kLayoutObjectListBox || LayoutBlockFlow::IsOfType(type);
}
void ComputeLogicalHeight(LayoutUnit logical_height,
LayoutUnit logical_top,
LogicalExtentComputedValues&) const override;
void ComputeIntrinsicLogicalWidths(
LayoutUnit& min_logical_width,
LayoutUnit& max_logical_width) const override;
void StopAutoscroll() override;
LayoutUnit DefaultItemHeight() const;
LayoutUnit ItemHeight() const;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutListBox, IsListBox());
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_LIST_BOX_H_