third_party/WebKit/Source/core/layout/LayoutReplica.cpp

/*
 * Copyright (C) 2008 Apple Inc. All rights reserved.
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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#include "config.h"
#include "core/layout/LayoutReplica.h"

#include "core/paint/ReplicaPainter.h"

namespace blink {

LayoutReplica::LayoutReplica()
    : LayoutBox(nullptr)
{
    // This is a hack. Replicas are synthetic, and don't pick up the attributes of the
    // layoutObjects being replicated, so they always report that they are inline, non-replaced.
    // However, we need transforms to be applied to replicas for reflections, so have to pass
    // the if (!isInline() || isReplaced()) check before setHasTransform().
    setReplaced(true);
}

LayoutReplica* LayoutReplica::createAnonymous(Document* document)
{
    LayoutReplica* layoutObject = new LayoutReplica();
    layoutObject->setDocumentForAnonymous(document);
    return layoutObject;
}

LayoutReplica::~LayoutReplica()
{
}

void LayoutReplica::layout()
{
    setFrameRect(parentBox()->borderBoxRect());
    addVisualOverflow(parentBox()->visualOverflowRect());
    updateLayerTransformAfterLayout();
    clearNeedsLayout();
}

void LayoutReplica::computePreferredLogicalWidths()
{
    // LayoutReplica is a synthetic object, PaintLayerReflectionInfo is what
    // calls into it, so this should never be called.
    ASSERT_NOT_REACHED();
    clearPreferredLogicalWidthsDirty();
}

void LayoutReplica::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset) const
{
    ReplicaPainter(*this).paint(paintInfo, paintOffset);
}

} // namespace blink