15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 2253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderSlider.h" 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 247242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci#include "core/InputTypeNames.h" 25e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)#include "core/dom/shadow/ShadowRoot.h" 2653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/HTMLInputElement.h" 27e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)#include "core/html/shadow/ShadowElementNames.h" 2853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/shadow/SliderThumbElement.h" 29c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)#include "core/rendering/RenderSliderThumb.h" 3002772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch#include "wtf/MathExtras.h" 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)using std::min; 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 34c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)const int RenderSlider::defaultTrackLength = 129; 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)RenderSlider::RenderSlider(HTMLInputElement* element) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : RenderFlexibleBox(element) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // We assume RenderSlider works only with <input type=range>. 427242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ASSERT(element->type() == InputTypeNames::range); 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)RenderSlider::~RenderSlider() 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)int RenderSlider::baselinePosition(FontBaseline, bool /*firstLine*/, LineDirectionMode, LinePositionMode linePositionMode) const 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 5153e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) ASSERT(linePositionMode == PositionOnContainingLine); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // FIXME: Patch this function for writing-mode. 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return height() + marginTop(); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 56926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void RenderSlider::computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const 57926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 58926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) maxLogicalWidth = defaultTrackLength * style()->effectiveZoom(); 59926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) if (!style()->width().isPercent()) 60926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) minLogicalWidth = maxLogicalWidth; 61926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 62926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void RenderSlider::computePreferredLogicalWidths() 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_minPreferredLogicalWidth = 0; 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_maxPreferredLogicalWidth = 0; 6710f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch RenderStyle* styleToUse = style(); 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6910f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch if (styleToUse->width().isFixed() && styleToUse->width().value() > 0) 7010f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = adjustContentBoxLogicalWidthForBoxSizing(styleToUse->width().value()); 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) else 72926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7410f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch if (styleToUse->minWidth().isFixed() && styleToUse->minWidth().value() > 0) { 7510f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch m_maxPreferredLogicalWidth = max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->minWidth().value())); 7610f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->minWidth().value())); 77926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 78926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 7910f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch if (styleToUse->maxWidth().isFixed()) { 8010f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch m_maxPreferredLogicalWidth = min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->maxWidth().value())); 8110f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch m_minPreferredLogicalWidth = min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->maxWidth().value())); 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit toAdd = borderAndPaddingWidth(); 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_minPreferredLogicalWidth += toAdd; 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_maxPreferredLogicalWidth += toAdd; 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 88c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) clearPreferredLogicalWidthsDirty(); 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 91e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)inline SliderThumbElement* RenderSlider::sliderThumbElement() const 92e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles){ 93e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) return toSliderThumbElement(toElement(node())->userAgentShadowRoot()->getElementById(ShadowElementNames::sliderThumb())); 94e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)} 95e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void RenderSlider::layout() 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // FIXME: Find a way to cascade appearance. 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // http://webkit.org/b/62535 100e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) RenderBox* thumbBox = sliderThumbElement()->renderBox(); 101926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) if (thumbBox && thumbBox->isSliderThumb()) 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static_cast<RenderSliderThumb*>(thumbBox)->updateAppearance(style()); 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 10453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) RenderFlexibleBox::layout(); 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)bool RenderSlider::inDragMode() const 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 109e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) return sliderThumbElement()->active(); 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 112c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 113