1 /* 2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21 #ifndef RenderSlider_h 22 #define RenderSlider_h 23 24 #include "core/rendering/RenderFlexibleBox.h" 25 26 namespace blink { 27 28 class HTMLInputElement; 29 class SliderThumbElement; 30 31 class RenderSlider FINAL : public RenderFlexibleBox { 32 public: 33 static const int defaultTrackLength; 34 35 explicit RenderSlider(HTMLInputElement*); 36 virtual ~RenderSlider(); 37 38 bool inDragMode() const; 39 40 private: renderName()41 virtual const char* renderName() const OVERRIDE { return "RenderSlider"; } isSlider()42 virtual bool isSlider() const OVERRIDE { return true; } 43 44 virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE; 45 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE; 46 virtual void computePreferredLogicalWidths() OVERRIDE; 47 virtual void layout() OVERRIDE; 48 49 SliderThumbElement* sliderThumbElement() const; 50 }; 51 52 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSlider, isSlider()); 53 54 } // namespace blink 55 56 #endif // RenderSlider_h 57