1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2007, 2009 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #ifndef RenderReplaced_h 23 #define RenderReplaced_h 24 25 #include "core/rendering/RenderBox.h" 26 27 namespace blink { 28 29 class RenderReplaced : public RenderBox { 30 public: 31 RenderReplaced(Element*); 32 RenderReplaced(Element*, const LayoutSize& intrinsicSize); 33 virtual ~RenderReplaced(); 34 35 virtual LayoutUnit computeReplacedLogicalWidth(ShouldComputePreferred = ComputeActual) const OVERRIDE; 36 virtual LayoutUnit computeReplacedLogicalHeight() const OVERRIDE; 37 38 bool hasReplacedLogicalHeight() const; 39 LayoutRect replacedContentRect(const LayoutSize* overriddenIntrinsicSize = 0) const; 40 41 virtual bool needsPreferredWidthsRecalculation() const OVERRIDE; 42 43 // These values are specified to be 300 and 150 pixels in the CSS 2.1 spec. 44 // http://www.w3.org/TR/CSS2/visudet.html#inline-replaced-width 45 static const int defaultWidth; 46 static const int defaultHeight; 47 48 virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE; 49 50 protected: 51 virtual void willBeDestroyed() OVERRIDE; 52 53 virtual void layout() OVERRIDE; 54 55 virtual LayoutSize intrinsicSize() const OVERRIDE FINAL { return m_intrinsicSize; } 56 virtual void computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intrinsicRatio) const OVERRIDE; 57 58 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE FINAL; 59 60 virtual LayoutUnit intrinsicContentLogicalHeight() const { return intrinsicLogicalHeight(); } 61 62 virtual LayoutUnit minimumReplacedHeight() const { return LayoutUnit(); } 63 64 virtual void setSelectionState(SelectionState) OVERRIDE FINAL; 65 66 bool isSelected() const; 67 68 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE; 69 70 void setIntrinsicSize(const LayoutSize& intrinsicSize) { m_intrinsicSize = intrinsicSize; } 71 virtual void intrinsicSizeChanged(); 72 73 bool shouldPaint(PaintInfo&, const LayoutPoint&); 74 LayoutRect localSelectionRect(bool checkWhetherSelected = true) const; // This is in local coordinates, but it's a physical rect (so the top left corner is physical top left). 75 virtual RenderBox* embeddedContentBox() const { return 0; } 76 77 private: 78 virtual const char* renderName() const OVERRIDE { return "RenderReplaced"; } 79 80 virtual bool canHaveChildren() const OVERRIDE { return false; } 81 82 virtual void computePreferredLogicalWidths() OVERRIDE FINAL; 83 virtual void paintReplaced(PaintInfo&, const LayoutPoint&) { } 84 85 virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const OVERRIDE; 86 87 virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE FINAL; 88 89 virtual bool canBeSelectionLeaf() const OVERRIDE { return true; } 90 91 virtual LayoutRect selectionRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer) const OVERRIDE FINAL; 92 void computeAspectRatioInformationForRenderBox(RenderBox*, FloatSize& constrainedSize, double& intrinsicRatio) const; 93 94 mutable LayoutSize m_intrinsicSize; 95 }; 96 97 } 98 99 #endif 100
