|  | /* | 
|  | * Copyright (C) 2006, 2007, 2008, 2009 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. | 
|  | * | 
|  | */ | 
|  |  | 
|  | #pragma once | 
|  |  | 
|  | #include "RenderFlexibleBox.h" | 
|  |  | 
|  | namespace WebCore { | 
|  |  | 
|  | class HTMLInputElement; | 
|  | class MouseEvent; | 
|  |  | 
|  | class RenderSlider final : public RenderFlexibleBox { | 
|  | WTF_MAKE_ISO_ALLOCATED(RenderSlider); | 
|  | public: | 
|  | static const int defaultTrackLength; | 
|  |  | 
|  | RenderSlider(HTMLInputElement&, RenderStyle&&); | 
|  | virtual ~RenderSlider(); | 
|  |  | 
|  | HTMLInputElement& element() const; | 
|  |  | 
|  | bool inDragMode() const; | 
|  |  | 
|  | double valueRatio() const; | 
|  |  | 
|  | private: | 
|  | ASCIILiteral renderName() const override { return "RenderSlider"_s; } | 
|  | bool isSlider() const override { return true; } | 
|  |  | 
|  | LayoutUnit baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override; | 
|  | void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override; | 
|  | void computePreferredLogicalWidths() override; | 
|  |  | 
|  | bool isFlexibleBoxImpl() const override { return true; } | 
|  | }; | 
|  |  | 
|  | } // namespace WebCore | 
|  |  | 
|  | SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSlider, isSlider()) |