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/**
* Copyright (C) 2003-2023 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "RenderBox.h"
#include "RenderBoxModelObjectInlines.h"
#include "RenderElementInlines.h"
#include "RenderObjectInlines.h"
namespace WebCore {
inline LayoutUnit RenderBox::marginBoxLogicalHeight(WritingMode writingMode) const { return writingMode.isHorizontal() ? m_marginBox.top() + height() + m_marginBox.bottom() : m_marginBox.right() + width() + m_marginBox.left(); }
inline LayoutSize RenderBox::borderBoxLogicalSize() const { return logicalSize(); }
inline LayoutRect RenderBox::clientBoxRect() const { return LayoutRect(clientLeft(), clientTop(), clientWidth(), clientHeight()); }
inline LayoutUnit RenderBox::clientLeft() const { return borderLeft(); }
inline LayoutUnit RenderBox::clientLogicalBottom() const { return borderBefore() + clientLogicalHeight(); }
inline LayoutUnit RenderBox::clientLogicalHeight() const { return writingMode().isHorizontal() ? clientHeight() : clientWidth(); }
inline LayoutUnit RenderBox::clientLogicalWidth() const { return writingMode().isHorizontal() ? clientWidth() : clientHeight(); }
inline LayoutUnit RenderBox::clientTop() const { return borderTop(); }
inline LayoutRect RenderBox::computedCSSContentBoxRect() const { return LayoutRect(borderLeft() + computedCSSPaddingLeft(), borderTop() + computedCSSPaddingTop(), paddingBoxWidth() - computedCSSPaddingLeft() - computedCSSPaddingRight() - (style().scrollbarGutter().isStableBothEdges() ? verticalScrollbarWidth() : 0), paddingBoxHeight() - computedCSSPaddingTop() - computedCSSPaddingBottom() - (style().scrollbarGutter().isStableBothEdges() ? horizontalScrollbarHeight() : 0)); }
inline LayoutUnit RenderBox::contentBoxHeight() const { return std::max(0_lu, paddingBoxHeight() - paddingTop() - paddingBottom() - (style().scrollbarGutter().isStableBothEdges() ? horizontalScrollbarHeight() : 0)); }
inline LayoutUnit RenderBox::contentBoxLogicalHeight() const { return writingMode().isHorizontal() ? contentBoxHeight() : contentBoxWidth(); }
inline LayoutUnit RenderBox::contentBoxLogicalHeight(LayoutUnit overridingBorderBoxHeight) const { return std::max(0_lu, overridingBorderBoxHeight - borderAndPaddingLogicalHeight() - scrollbarLogicalHeight() - (style().scrollbarGutter().isStableBothEdges() ? scrollbarLogicalHeight() : 0)); }
inline LayoutSize RenderBox::contentBoxLogicalSize() const { return writingMode().isHorizontal() ? contentBoxSize() : contentBoxSize().transposedSize(); }
inline LayoutUnit RenderBox::contentBoxLogicalWidth() const { return writingMode().isHorizontal() ? contentBoxWidth() : contentBoxHeight(); }
inline LayoutUnit RenderBox::contentBoxLogicalWidth(LayoutUnit overridingBorderBoxWidth) const { return std::max(LayoutUnit(), overridingBorderBoxWidth - borderAndPaddingLogicalWidth() - scrollbarLogicalWidth() - (style().scrollbarGutter().isStableBothEdges() ? scrollbarLogicalWidth() : 0)); }
inline LayoutSize RenderBox::contentBoxSize() const { return { contentBoxWidth(), contentBoxHeight() }; }
inline LayoutUnit RenderBox::contentBoxWidth() const { return std::max(0_lu, paddingBoxWidth() - paddingLeft() - paddingRight() - (style().scrollbarGutter().isStableBothEdges() ? verticalScrollbarWidth() : 0)); }
inline std::optional<LayoutUnit> RenderBox::explicitIntrinsicInnerLogicalHeight() const { return writingMode().isHorizontal() ? explicitIntrinsicInnerHeight() : explicitIntrinsicInnerWidth(); }
inline std::optional<LayoutUnit> RenderBox::explicitIntrinsicInnerLogicalWidth() const { return writingMode().isHorizontal() ? explicitIntrinsicInnerWidth() : explicitIntrinsicInnerHeight(); }
inline bool RenderBox::hasHorizontalOverflow() const { return scrollWidth() != roundToInt(paddingBoxWidth()); }
inline bool RenderBox::hasScrollableOverflowX() const { return scrollsOverflowX() && hasHorizontalOverflow(); }
inline bool RenderBox::hasScrollableOverflowY() const { return scrollsOverflowY() && hasVerticalOverflow(); }
inline bool RenderBox::hasVerticalOverflow() const { return scrollHeight() != roundToInt(paddingBoxHeight()); }
inline LayoutUnit RenderBox::intrinsicLogicalHeight() const { return writingMode().isHorizontal() ? intrinsicSize().height() : intrinsicSize().width(); }
inline LayoutUnit RenderBox::logicalBottom() const { return logicalTop() + logicalHeight(); }
inline LayoutUnit RenderBox::logicalHeight() const { return writingMode().isHorizontal() ? height() : width(); }
inline LayoutUnit RenderBox::logicalLeft() const { return writingMode().isHorizontal() ? x() : y(); }
inline LayoutUnit RenderBox::logicalLeftLayoutOverflow() const { return writingMode().isHorizontal() ? layoutOverflowRect().x() : layoutOverflowRect().y(); }
inline LayoutUnit RenderBox::logicalLeftVisualOverflow() const { return writingMode().isHorizontal() ? visualOverflowRect().x() : visualOverflowRect().y(); }
inline LayoutUnit RenderBox::logicalRight() const { return logicalLeft() + logicalWidth(); }
inline LayoutUnit RenderBox::logicalRightLayoutOverflow() const { return writingMode().isHorizontal() ? layoutOverflowRect().maxX() : layoutOverflowRect().maxY(); }
inline LayoutUnit RenderBox::logicalRightVisualOverflow() const { return writingMode().isHorizontal() ? visualOverflowRect().maxX() : visualOverflowRect().maxY(); }
inline LayoutSize RenderBox::logicalSize() const { return writingMode().isHorizontal() ? m_frameRect.size() : m_frameRect.size().transposedSize(); }
inline LayoutUnit RenderBox::logicalTop() const { return writingMode().isHorizontal() ? y() : x(); }
inline LayoutUnit RenderBox::logicalWidth() const { return writingMode().isHorizontal() ? width() : height(); }
inline LayoutUnit RenderBox::paddingBoxHeight() const { return std::max(0_lu, height() - borderTop() - borderBottom() - horizontalScrollbarHeight()); }
inline LayoutUnit RenderBox::paddingBoxWidth() const { return std::max(0_lu, width() - borderLeft() - borderRight() - verticalScrollbarWidth()); }
inline int RenderBox::scrollbarLogicalHeight() const { return writingMode().isHorizontal() ? horizontalScrollbarHeight() : verticalScrollbarWidth(); }
inline int RenderBox::scrollbarLogicalWidth() const { return writingMode().isHorizontal() ? verticalScrollbarWidth() : horizontalScrollbarHeight(); }
inline void RenderBox::setLogicalLocation(LayoutPoint location) { setLocation(writingMode().isHorizontal() ? location : location.transposedPoint()); }
inline void RenderBox::setLogicalSize(LayoutSize size) { setSize(writingMode().isHorizontal() ? size : size.transposedSize()); }
inline bool RenderBox::shouldTrimChildMargin(MarginTrimType type, const RenderBox& child) const { return style().marginTrim().contains(type) && isChildEligibleForMarginTrim(type, child); }
inline bool RenderBox::stretchesToViewport() const { return document().inQuirksMode() && style().logicalHeight().isAuto() && !isFloatingOrOutOfFlowPositioned() && (isDocumentElementRenderer() || isBody()) && !shouldComputeLogicalHeightFromAspectRatio() && !isInline(); }
inline bool RenderBox::isColumnSpanner() const { return style().columnSpan() == ColumnSpan::All; }
inline LayoutPoint RenderBox::topLeftLocation() const
{
// This is inlined for speed, since it is used by updateLayerPosition() during scrolling.
if (!document().view() || !document().view()->hasFlippedBlockRenderers())
return location();
return topLeftLocationWithFlipping();
}
inline LayoutSize RenderBox::topLeftLocationOffset() const
{
// This is inlined for speed, since it is used by updateLayerPosition() during scrolling.
if (!document().view() || !document().view()->hasFlippedBlockRenderers())
return locationOffset();
return toLayoutSize(topLeftLocationWithFlipping());
}
inline LayoutRect RenderBox::paddingBoxRectIncludingScrollbar() const
{
auto borderWidths = this->borderWidths();
return LayoutRect(borderWidths.left(), borderWidths.top(), width() - borderWidths.left() - borderWidths.right(), height() - borderWidths.top() - borderWidths.bottom());
}
inline LayoutRect RenderBox::contentBoxRect() const
{
auto verticalScrollbarWidth = 0_lu;
auto horizontalScrollbarHeight = 0_lu;
auto leftScrollbarSpace = 0_lu;
auto topScrollbarSpace = 0_lu;
if (hasNonVisibleOverflow()) {
verticalScrollbarWidth = this->verticalScrollbarWidth();
horizontalScrollbarHeight = this->horizontalScrollbarHeight();
bool bothEdgeScrollbarGutters = style().scrollbarGutter().isStableBothEdges();
if ((shouldPlaceVerticalScrollbarOnLeft() || bothEdgeScrollbarGutters))
leftScrollbarSpace = verticalScrollbarWidth;
// FIXME: It's wrong that scrollbar-gutter: both-edges affects height: webkit.org/b/266938
if (bothEdgeScrollbarGutters)
topScrollbarSpace = horizontalScrollbarHeight;
}
auto padding = this->padding();
auto borderWidths = this->borderWidths();
auto location = LayoutPoint { borderWidths.left() + padding.left() + leftScrollbarSpace, borderWidths.top() + padding.top() + topScrollbarSpace };
auto paddingBoxWidth = std::max(0_lu, width() - borderWidths.left() - borderWidths.right() - verticalScrollbarWidth);
auto paddingBoxHeight = std::max(0_lu, height() - borderWidths.top() - borderWidths.bottom() - horizontalScrollbarHeight);
auto width = std::max(0_lu, paddingBoxWidth - padding.left() - padding.right() - leftScrollbarSpace);
auto height = std::max(0_lu, paddingBoxHeight - padding.top() - padding.bottom() - topScrollbarSpace);
auto size = LayoutSize { width, height };
return { location, size };
}
inline LayoutRect RenderBox::marginBoxRect() const
{
auto left = resolveLengthPercentageUsingContainerLogicalWidth(style().marginLeft());
auto right = resolveLengthPercentageUsingContainerLogicalWidth(style().marginRight());
auto top = resolveLengthPercentageUsingContainerLogicalWidth(style().marginTop());
auto bottom = resolveLengthPercentageUsingContainerLogicalWidth(style().marginBottom());
return { -left, -top, size().width() + left + right, size().height() + top + bottom };
}
inline void RenderBox::setLogicalHeight(LayoutUnit size)
{
if (writingMode().isHorizontal())
setHeight(size);
else
setWidth(size);
}
inline void RenderBox::setLogicalLeft(LayoutUnit left)
{
if (writingMode().isHorizontal())
setX(left);
else
setY(left);
}
inline void RenderBox::setLogicalTop(LayoutUnit top)
{
if (writingMode().isHorizontal())
setY(top);
else
setX(top);
}
inline void RenderBox::setLogicalWidth(LayoutUnit size)
{
if (writingMode().isHorizontal())
setWidth(size);
else
setHeight(size);
}
inline LayoutUnit resolveHeightForRatio(LayoutUnit borderAndPaddingLogicalWidth, LayoutUnit borderAndPaddingLogicalHeight, LayoutUnit logicalWidth, double aspectRatio, BoxSizing boxSizing)
{
if (boxSizing == BoxSizing::BorderBox)
return LayoutUnit((logicalWidth + borderAndPaddingLogicalWidth) * aspectRatio) - borderAndPaddingLogicalHeight;
return LayoutUnit(logicalWidth * aspectRatio);
}
inline bool isSkippedContentRoot(const RenderBox& renderBox)
{
return renderBox.element() && WebCore::isSkippedContentRoot(renderBox.style(), *renderBox.protectedElement());
}
inline bool RenderBox::backgroundIsKnownToBeObscured(const LayoutPoint& paintOffset)
{
if (boxDecorationState() == BoxDecorationState::InvalidObscurationStatus) {
auto computedBoxDecorationState = [&] {
if (isSkippedContentRoot(*this))
return BoxDecorationState::MayBeVisible;
return computeBackgroundIsKnownToBeObscured(paintOffset) ? BoxDecorationState::IsKnownToBeObscured : BoxDecorationState::MayBeVisible;
};
setBoxDecorationState(computedBoxDecorationState());
}
return boxDecorationState() == BoxDecorationState::IsKnownToBeObscured;
}
inline LayoutUnit RenderBox::blockSizeFromAspectRatio(LayoutUnit borderPaddingInlineSum, LayoutUnit borderPaddingBlockSum, double aspectRatioValue, BoxSizing boxSizing, LayoutUnit inlineSize, const Style::AspectRatio& aspectRatio, bool isRenderReplaced)
{
if (boxSizing == BoxSizing::BorderBox && aspectRatio.isRatio() && !isRenderReplaced)
return std::max(borderPaddingBlockSum, LayoutUnit(inlineSize / aspectRatioValue));
return LayoutUnit((inlineSize - borderPaddingInlineSum) / aspectRatioValue) + borderPaddingBlockSum;
}
} // namespace WebCore
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