1/*
2 * Copyright (C) 2008 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "RenderReplica.h"
31
32#include "RenderLayer.h"
33#include <wtf/IsoMallocInlines.h>
34#include <wtf/StackStats.h>
35
36namespace WebCore {
37
38WTF_MAKE_ISO_ALLOCATED_IMPL(RenderReplica);
39
40RenderReplica::RenderReplica(Document& document, RenderStyle&& style)
41 : RenderBox(document, WTFMove(style), 0)
42{
43 // This is a hack. Replicas are synthetic, and don't pick up the attributes of the
44 // renderers being replicated, so they always report that they are inline, non-replaced.
45 // However, we need transforms to be applied to replicas for reflections, so have to pass
46 // the if (!isInline() || isReplaced()) check before setHasTransform().
47 setReplaced(true);
48}
49
50RenderReplica::~RenderReplica() = default;
51
52void RenderReplica::layout()
53{
54 StackStats::LayoutCheckPoint layoutCheckPoint;
55 setFrameRect(parentBox()->borderBoxRect());
56 updateLayerTransform();
57 clearNeedsLayout();
58}
59
60void RenderReplica::computePreferredLogicalWidths()
61{
62 m_minPreferredLogicalWidth = parentBox()->width();
63 m_maxPreferredLogicalWidth = m_minPreferredLogicalWidth;
64 setPreferredLogicalWidthsDirty(false);
65}
66
67void RenderReplica::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
68{
69 if (paintInfo.phase != PaintPhase::Foreground && paintInfo.phase != PaintPhase::Mask)
70 return;
71
72 LayoutPoint adjustedPaintOffset = paintOffset + location();
73
74 if (paintInfo.phase == PaintPhase::Foreground) {
75 // Turn around and paint the parent layer. Use temporary clipRects, so that the layer doesn't end up caching clip rects
76 // computing using the wrong rootLayer
77 RenderLayer* rootPaintingLayer = layer()->transform() ? layer()->parent() : layer()->enclosingTransformedAncestor();
78 RenderLayer::LayerPaintingInfo paintingInfo(rootPaintingLayer, paintInfo.rect, PaintBehavior::Normal, LayoutSize(), 0);
79 OptionSet<RenderLayer::PaintLayerFlag> flags { RenderLayer::PaintLayerHaveTransparency, RenderLayer::PaintLayerAppliedTransform, RenderLayer::PaintLayerTemporaryClipRects, RenderLayer::PaintLayerPaintingReflection };
80 layer()->parent()->paintLayer(paintInfo.context(), paintingInfo, flags);
81 } else if (paintInfo.phase == PaintPhase::Mask)
82 paintMask(paintInfo, adjustedPaintOffset);
83}
84
85} // namespace WebCore
86