1 /* 2 * Copyright (C) 2010, 2011 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 #include "core/rendering/RenderDetailsMarker.h" 23 24 #include "core/HTMLNames.h" 25 #include "core/dom/Element.h" 26 #include "core/html/HTMLElement.h" 27 #include "core/paint/DetailsMarkerPainter.h" 28 #include "core/rendering/PaintInfo.h" 29 30 namespace blink { 31 32 using namespace HTMLNames; 33 34 RenderDetailsMarker::RenderDetailsMarker(Element* element) 35 : RenderBlockFlow(element) 36 { 37 } 38 39 RenderDetailsMarker::Orientation RenderDetailsMarker::orientation() const 40 { 41 switch (style()->writingMode()) { 42 case TopToBottomWritingMode: 43 if (style()->isLeftToRightDirection()) 44 return isOpen() ? Down : Right; 45 return isOpen() ? Down : Left; 46 case RightToLeftWritingMode: 47 if (style()->isLeftToRightDirection()) 48 return isOpen() ? Left : Down; 49 return isOpen() ? Left : Up; 50 case LeftToRightWritingMode: 51 if (style()->isLeftToRightDirection()) 52 return isOpen() ? Right : Down; 53 return isOpen() ? Right : Up; 54 case BottomToTopWritingMode: 55 if (style()->isLeftToRightDirection()) 56 return isOpen() ? Up : Right; 57 return isOpen() ? Up : Left; 58 } 59 return Right; 60 } 61 62 void RenderDetailsMarker::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset) 63 { 64 DetailsMarkerPainter(*this).paint(paintInfo, paintOffset); 65 } 66 67 bool RenderDetailsMarker::isOpen() const 68 { 69 for (RenderObject* renderer = parent(); renderer; renderer = renderer->parent()) { 70 if (!renderer->node()) 71 continue; 72 if (isHTMLDetailsElement(*renderer->node())) 73 return !toElement(renderer->node())->getAttribute(openAttr).isNull(); 74 if (isHTMLInputElement(*renderer->node())) 75 return true; 76 } 77 78 return false; 79 } 80 81 } 82