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/*
* Copyright (C) 2024 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "RenderViewTransitionCapture.h"
#include "ImageOverlayController.h"
#include "ImageQualityController.h"
#include "PaintInfo.h"
#include "RenderBoxModelObjectInlines.h"
#include "RenderLayer.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(RenderViewTransitionCapture);
RenderViewTransitionCapture::RenderViewTransitionCapture(Type type, Document& document, RenderStyle&& style)
: RenderReplaced(type, document, WTFMove(style), { }, ReplacedFlag::IsViewTransitionCapture)
{
}
RenderViewTransitionCapture::~RenderViewTransitionCapture() = default;
void RenderViewTransitionCapture::setImage(RefPtr<ImageBuffer> oldImage)
{
m_oldImage = oldImage;
if (hasLayer())
layer()->contentChanged(ContentChangeType::Image);
if (parent())
repaint();
}
bool RenderViewTransitionCapture::setCapturedSize(const LayoutSize& size, const LayoutRect& overflowRect, const LayoutPoint& layerToLayoutOffset)
{
if (m_overflowRect == overflowRect && intrinsicSize() == size && m_layerToLayoutOffset == layerToLayoutOffset)
return false;
m_imageIntrinsicSize = size;
setIntrinsicSize(size);
m_overflowRect = overflowRect;
m_layerToLayoutOffset = layerToLayoutOffset;
return true;
}
void RenderViewTransitionCapture::intrinsicSizeChanged()
{
if (intrinsicSize() == m_imageIntrinsicSize)
return;
setIntrinsicSize(m_imageIntrinsicSize);
setPreferredLogicalWidthsDirty(true);
setNeedsLayout();
}
void RenderViewTransitionCapture::paintReplaced(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
auto& context = paintInfo.context();
if (context.detectingContentfulPaint())
return;
LayoutRect replacedContentRect = this->replacedContentRect();
replacedContentRect.moveBy(paintOffset);
FloatRect paintRect = m_localOverflowRect;
InterpolationQualityMaintainer interpolationMaintainer(context, ImageQualityController::interpolationQualityFromStyle(style()));
if (RefPtr oldImage = m_oldImage)
context.drawImageBuffer(*oldImage, paintRect, { context.compositeOperation() });
}
void RenderViewTransitionCapture::layout()
{
RenderReplaced::layout();
// Move the overflow rect of the captured renderer into layout coords, and then scale/position so that the intrinsic size subset covers
// our replaced content rect.
m_localOverflowRect = m_overflowRect;
m_localOverflowRect.moveBy(-m_layerToLayoutOffset);
m_scale = { replacedContentRect().width().toFloat() / intrinsicSize().width().toFloat() , replacedContentRect().height().toFloat() / intrinsicSize().height().toFloat() };
m_localOverflowRect.scale(m_scale.width(), m_scale.height());
m_localOverflowRect.moveBy(replacedContentRect().location());
addVisualOverflow(m_localOverflowRect);
}
void RenderViewTransitionCapture::updateFromStyle()
{
RenderReplaced::updateFromStyle();
if (effectiveOverflowX() != Overflow::Visible || effectiveOverflowY() != Overflow::Visible)
setHasNonVisibleOverflow();
}
LayoutPoint RenderViewTransitionCapture::captureContentInset() const
{
LayoutPoint location = m_localOverflowRect.location();
location.moveBy(-visualOverflowRect().location());
return location;
}
Node* RenderViewTransitionCapture::nodeForHitTest() const
{
// The view transition pseudo-elements should hit-test to their originating element (the document element).
return document().documentElement();
}
bool RenderViewTransitionCapture::paintsContent() const
{
if (style().pseudoElementType() == PseudoId::ViewTransitionOld)
return true;
return !canUseExistingLayers();
}
String RenderViewTransitionCapture::debugDescription() const
{
StringBuilder builder;
builder.append(renderName(), " 0x"_s, hex(reinterpret_cast<uintptr_t>(this), Lowercase));
builder.append(" ::view-transition-"_s, style().pseudoElementType() == PseudoId::ViewTransitionNew ? "new("_s : "old("_s);
builder.append(style().pseudoElementNameArgument(), ')');
return builder.toString();
}
} // namespace WebCore
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