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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.
*/
#pragma once
#include "ImageBuffer.h"
#include "RenderReplaced.h"
namespace WebCore {
class RenderViewTransitionCapture final : public RenderReplaced {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderViewTransitionCapture);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderViewTransitionCapture);
public:
RenderViewTransitionCapture(Type, Document&, RenderStyle&&);
virtual ~RenderViewTransitionCapture();
void setImage(RefPtr<ImageBuffer>);
bool setCapturedSize(const LayoutSize&, const LayoutRect& overflowRect, const LayoutPoint& layerToLayoutOffset);
void paintReplaced(PaintInfo&, const LayoutPoint& paintOffset) override;
void intrinsicSizeChanged() override;
void layout() override;
FloatSize scale() const { return m_scale; }
// Rect covered by the captured contents, in RenderLayer coordinates of the captured renderer
LayoutRect captureOverflowRect() const { return m_overflowRect; }
LayoutRect captureLocalOverflowRect() const { return m_localOverflowRect; }
// Inset of the scaled capture from the visualOverflowRect()
LayoutPoint captureContentInset() const;
bool canUseExistingLayers() const { return !hasNonVisibleOverflow(); }
bool paintsContent() const final;
RefPtr<ImageBuffer> image() { return m_oldImage; }
private:
ASCIILiteral renderName() const override { return "RenderViewTransitionCapture"_s; }
String debugDescription() const override;
void updateFromStyle() override;
Node* nodeForHitTest() const override;
RefPtr<ImageBuffer> m_oldImage;
// The overflow rect that the captured image represents, in RenderLayer coordinates
// of the captured renderer (see layerToLayoutOffset in ViewTransition.cpp).
// The intrisic size subset of the image is stored as the intrinsic size of the RenderReplaced.
LayoutRect m_overflowRect;
// The offset between coordinates used by RenderLayer, and RenderObject
// for the captured renderer
LayoutPoint m_layerToLayoutOffset;
// The overflow rect of the snapshot (replaced content), scaled and positioned
// so that the intrinsic size of the image fits the replaced content rect.
LayoutRect m_localOverflowRect;
LayoutSize m_imageIntrinsicSize;
// Scale factor between the intrinsic size and the replaced content rect size.
FloatSize m_scale;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderViewTransitionCapture, isRenderViewTransitionCapture())
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