1/* 2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 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#include "config.h" 22 23#include "core/rendering/RenderMeter.h" 24 25#include "core/html/HTMLMeterElement.h" 26#include "core/rendering/RenderTheme.h" 27 28using namespace std; 29 30namespace WebCore { 31 32using namespace HTMLNames; 33 34RenderMeter::RenderMeter(HTMLElement* element) 35 : RenderBlockFlow(element) 36{ 37} 38 39RenderMeter::~RenderMeter() 40{ 41} 42 43HTMLMeterElement* RenderMeter::meterElement() const 44{ 45 ASSERT(node()); 46 47 if (isHTMLMeterElement(*node())) 48 return toHTMLMeterElement(node()); 49 50 ASSERT(node()->shadowHost()); 51 return toHTMLMeterElement(node()->shadowHost()); 52} 53 54void RenderMeter::updateLogicalWidth() 55{ 56 RenderBox::updateLogicalWidth(); 57 58 IntSize frameSize = RenderTheme::theme().meterSizeForBounds(this, pixelSnappedIntRect(frameRect())); 59 setLogicalWidth(isHorizontalWritingMode() ? frameSize.width() : frameSize.height()); 60} 61 62void RenderMeter::computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues& computedValues) const 63{ 64 RenderBox::computeLogicalHeight(logicalHeight, logicalTop, computedValues); 65 66 LayoutRect frame = frameRect(); 67 if (isHorizontalWritingMode()) 68 frame.setHeight(computedValues.m_extent); 69 else 70 frame.setWidth(computedValues.m_extent); 71 IntSize frameSize = RenderTheme::theme().meterSizeForBounds(this, pixelSnappedIntRect(frame)); 72 computedValues.m_extent = isHorizontalWritingMode() ? frameSize.height() : frameSize.width(); 73} 74 75double RenderMeter::valueRatio() const 76{ 77 return meterElement()->valueRatio(); 78} 79 80void RenderMeter::updateFromElement() 81{ 82 paintInvalidationForWholeRenderer(); 83} 84 85} // namespace WebCore 86