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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 "RenderElement.h"
#include "RenderObjectInlines.h"
namespace WebCore {
inline Overflow RenderElement::effectiveOverflowBlockDirection() const { return writingMode().isHorizontal() ? effectiveOverflowY() : effectiveOverflowX(); }
inline Overflow RenderElement::effectiveOverflowInlineDirection() const { return writingMode().isHorizontal() ? effectiveOverflowX() : effectiveOverflowY(); }
inline bool RenderElement::hasBackdropFilter() const { return style().hasBackdropFilter(); }
inline bool RenderElement::hasBackground() const { return style().hasBackground(); }
inline bool RenderElement::hasBlendMode() const { return style().hasBlendMode(); }
inline bool RenderElement::hasClip() const { return isOutOfFlowPositioned() && style().hasClip(); }
inline bool RenderElement::hasClipOrNonVisibleOverflow() const { return hasClip() || hasNonVisibleOverflow(); }
inline bool RenderElement::hasClipPath() const { return style().hasClipPath(); }
inline bool RenderElement::hasFilter() const { return style().hasFilter(); }
inline bool RenderElement::hasHiddenBackface() const { return style().backfaceVisibility() == BackfaceVisibility::Hidden; }
inline bool RenderElement::hasMask() const { return style().hasMask(); }
inline bool RenderElement::hasOutline() const { return style().hasOutline() || hasOutlineAnnotation(); }
inline bool RenderElement::hasShapeOutside() const { return !style().shapeOutside().isNone(); }
inline bool RenderElement::isTransparent() const { return style().hasOpacity(); }
inline float RenderElement::opacity() const { return style().opacity().value.value; }
inline FloatRect RenderElement::transformReferenceBoxRect() const { return transformReferenceBoxRect(style()); }
inline FloatRect RenderElement::transformReferenceBoxRect(const RenderStyle& style) const { return referenceBoxRect(transformBoxToCSSBoxType(style.transformBox())); }
inline Element* RenderElement::element() const { return downcast<Element>(RenderObject::node()); }
inline RefPtr<Element> RenderElement::protectedElement() const { return element(); }
inline Element* RenderElement::nonPseudoElement() const { return downcast<Element>(RenderObject::nonPseudoNode()); }
inline RefPtr<Element> RenderElement::protectedNonPseudoElement() const { return nonPseudoElement(); }
#if HAVE(CORE_MATERIAL)
inline bool RenderElement::hasAppleVisualEffect() const { return style().hasAppleVisualEffect(); }
inline bool RenderElement::hasAppleVisualEffectRequiringBackdropFilter() const { return style().hasAppleVisualEffectRequiringBackdropFilter(); }
#endif
inline bool RenderElement::isBlockLevelBox() const { return style().isDisplayBlockLevel(); }
inline bool RenderElement::isAnonymousBlock() const
{
return isAnonymous()
&& (style().display() == DisplayType::Block || style().display() == DisplayType::Box)
&& style().pseudoElementType() == PseudoId::None
&& isRenderBlock()
#if ENABLE(MATHML)
&& !isRenderMathMLBlock()
#endif
&& !isRenderListMarker()
&& !isRenderFragmentedFlow()
&& !isRenderMultiColumnSet()
&& !isRenderView()
&& !isViewTransitionContainingBlock();
}
inline bool RenderElement::isBlockContainer() const
{
auto display = style().display();
return (display == DisplayType::Block
|| display == DisplayType::InlineBlock
|| display == DisplayType::FlowRoot
|| display == DisplayType::ListItem
|| display == DisplayType::TableCell
|| display == DisplayType::TableCaption) && !isRenderReplaced();
}
inline bool RenderElement::isBlockBox() const
{
// A block-level box that is also a block container.
return isBlockLevelBox() && isBlockContainer();
}
inline bool RenderElement::mayContainOutOfFlowPositionedObjects(const RenderStyle* styleToUse) const
{
auto& style = styleToUse ? *styleToUse : this->style();
return isRenderView()
|| (canEstablishContainingBlockWithTransform() && (styleToUse ? styleToUse->hasTransformRelatedProperty() : hasTransformRelatedProperty()))
|| (style.hasBackdropFilter() && !isDocumentElementRenderer())
|| (style.hasFilter() && !isDocumentElementRenderer())
#if HAVE(CORE_MATERIAL)
|| (style.hasAppleVisualEffectRequiringBackdropFilter() && !isDocumentElementRenderer())
#endif
|| isRenderOrLegacyRenderSVGForeignObject()
|| shouldApplyLayoutContainment(styleToUse)
|| shouldApplyPaintContainment(styleToUse)
|| isViewTransitionContainingBlock();
}
inline bool RenderElement::canContainAbsolutelyPositionedObjects(const RenderStyle* styleToUse) const
{
auto& style = styleToUse ? *styleToUse : this->style();
return mayContainOutOfFlowPositionedObjects(styleToUse) || style.position() != PositionType::Static || (isRenderBlock() && style.willChange() && style.willChange()->createsContainingBlockForAbsolutelyPositioned(isDocumentElementRenderer()));
}
inline bool RenderElement::canContainFixedPositionObjects(const RenderStyle* styleToUse) const
{
auto& style = styleToUse ? *styleToUse : this->style();
return mayContainOutOfFlowPositionedObjects(styleToUse) || (isRenderBlock() && style.willChange() && style.willChange()->createsContainingBlockForOutOfFlowPositioned(isDocumentElementRenderer()));
}
inline bool RenderElement::createsGroupForStyle(const RenderStyle& style)
{
return style.hasOpacity()
|| style.hasMask()
|| style.hasClipPath()
|| style.hasFilter()
|| style.hasBackdropFilter()
#if HAVE(CORE_MATERIAL)
|| style.hasAppleVisualEffect()
#endif
|| style.hasBlendMode();
}
inline bool RenderElement::hasPotentiallyScrollableOverflow() const
{
// We only need to test one overflow dimension since 'visible' and 'clip' always get accompanied
// with 'clip' or 'visible' in the other dimension (see Style::Adjuster::adjust).
return hasNonVisibleOverflow() && style().overflowX() != Overflow::Clip && style().overflowX() != Overflow::Visible;
}
inline bool RenderElement::isBeforeContent() const
{
// Text nodes don't have their own styles, so ignore the style on a text node.
// if (isRenderText())
// return false;
if (style().pseudoElementType() != PseudoId::Before)
return false;
return true;
}
inline bool RenderElement::isAfterContent() const
{
// Text nodes don't have their own styles, so ignore the style on a text node.
// if (isRenderText())
// return false;
if (style().pseudoElementType() != PseudoId::After)
return false;
return true;
}
inline bool RenderElement::isBeforeOrAfterContent() const
{
return isBeforeContent() || isAfterContent();
}
inline bool RenderElement::shouldApplyAnyContainment() const
{
return shouldApplyLayoutContainment() || shouldApplySizeContainment() || shouldApplyInlineSizeContainment() || shouldApplyStyleContainment() || shouldApplyPaintContainment();
}
inline bool RenderElement::shouldApplySizeOrInlineSizeContainment() const
{
return shouldApplySizeContainment() || shouldApplyInlineSizeContainment();
}
inline bool RenderElement::shouldApplyLayoutContainment(const RenderStyle* styleToUse) const
{
return element() && WebCore::shouldApplyLayoutContainment(styleToUse ? *styleToUse : style(), *element());
}
inline bool RenderElement::shouldApplySizeContainment() const
{
return element() && WebCore::shouldApplySizeContainment(style(), *element());
}
inline bool RenderElement::shouldApplyInlineSizeContainment() const
{
return element() && WebCore::shouldApplyInlineSizeContainment(style(), *element());
}
inline bool RenderElement::shouldApplyStyleContainment() const
{
return element() && WebCore::shouldApplyStyleContainment(style(), *element());
}
inline bool RenderElement::shouldApplyPaintContainment(const RenderStyle* styleToUse) const
{
return element() && WebCore::shouldApplyPaintContainment(styleToUse ? *styleToUse : style(), *element());
}
inline bool RenderElement::visibleToHitTesting(const std::optional<HitTestRequest>& request) const
{
auto visibility = !request || request->userTriggered() ? style().usedVisibility() : style().visibility();
return visibility == Visibility::Visible
&& !isSkippedContent()
&& ((request && request->ignoreCSSPointerEventsProperty()) || usedPointerEvents() != PointerEvents::None);
}
inline int adjustForAbsoluteZoom(int value, const RenderElement& renderer)
{
return adjustForAbsoluteZoom(value, renderer.style());
}
inline LayoutSize adjustLayoutSizeForAbsoluteZoom(LayoutSize size, const RenderElement& renderer)
{
return adjustLayoutSizeForAbsoluteZoom(size, renderer.style());
}
inline LayoutUnit adjustLayoutUnitForAbsoluteZoom(LayoutUnit value, const RenderElement& renderer)
{
return adjustLayoutUnitForAbsoluteZoom(value, renderer.style());
}
inline Element* RenderElement::generatingElement() const
{
return isPseudoElement() ? downcast<PseudoElement>(*element()).hostElement() : element();
}
} // namespace WebCore
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