1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@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#pragma once
23
24#include "RenderBox.h"
25
26namespace WebCore {
27
28class RenderReplaced : public RenderBox {
29 WTF_MAKE_ISO_ALLOCATED(RenderReplaced);
30public:
31 virtual ~RenderReplaced();
32
33 LayoutUnit computeReplacedLogicalWidth(ShouldComputePreferred = ComputeActual) const override;
34 LayoutUnit computeReplacedLogicalHeight(Optional<LayoutUnit> estimatedUsedWidth = WTF::nullopt) const override;
35
36 LayoutRect replacedContentRect(const LayoutSize& intrinsicSize) const;
37 LayoutRect replacedContentRect() const { return replacedContentRect(intrinsicSize()); }
38
39 bool hasReplacedLogicalWidth() const;
40 bool hasReplacedLogicalHeight() const;
41 bool setNeedsLayoutIfNeededAfterIntrinsicSizeChange();
42
43 LayoutSize intrinsicSize() const final { return m_intrinsicSize; }
44
45protected:
46 RenderReplaced(Element&, RenderStyle&&);
47 RenderReplaced(Element&, RenderStyle&&, const LayoutSize& intrinsicSize);
48 RenderReplaced(Document&, RenderStyle&&, const LayoutSize& intrinsicSize);
49
50 void layout() override;
51
52 void computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intrinsicRatio) const override;
53
54 void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const final;
55
56 virtual LayoutUnit minimumReplacedHeight() const { return 0_lu; }
57
58 void setSelectionState(SelectionState) override;
59
60 bool isSelected() const;
61
62 void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
63
64 void setIntrinsicSize(const LayoutSize& intrinsicSize) { m_intrinsicSize = intrinsicSize; }
65 virtual void intrinsicSizeChanged();
66 virtual bool hasRelativeIntrinsicLogicalWidth() const { return false; }
67
68 void paint(PaintInfo&, const LayoutPoint&) override;
69 bool shouldPaint(PaintInfo&, const LayoutPoint&);
70 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).
71
72 void willBeDestroyed() override;
73
74private:
75 LayoutUnit computeConstrainedLogicalWidth(ShouldComputePreferred) const;
76
77 virtual RenderBox* embeddedContentBox() const { return 0; }
78 const char* renderName() const override { return "RenderReplaced"; }
79
80 bool canHaveChildren() const override { return false; }
81
82 void computePreferredLogicalWidths() final;
83 virtual void paintReplaced(PaintInfo&, const LayoutPoint&) { }
84
85 LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const override;
86
87 VisiblePosition positionForPoint(const LayoutPoint&, const RenderFragmentContainer*) final;
88
89 bool canBeSelectionLeaf() const override { return true; }
90
91 LayoutRect selectionRectForRepaint(const RenderLayerModelObject* repaintContainer, bool clipToVisibleContent = true) final;
92 void computeAspectRatioInformationForRenderBox(RenderBox*, FloatSize& constrainedSize, double& intrinsicRatio) const;
93
94 virtual bool shouldDrawSelectionTint() const;
95
96 mutable LayoutSize m_intrinsicSize;
97};
98
99} // namespace WebCore
100
101SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderReplaced, isRenderReplaced())
102