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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NGPhysicalBoxFragment_h
#define NGPhysicalBoxFragment_h
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/layout/ng/geometry/ng_box_strut.h"
#include "third_party/blink/renderer/core/layout/ng/inline/ng_baseline.h"
#include "third_party/blink/renderer/core/layout/ng/ng_physical_container_fragment.h"
#include "third_party/blink/renderer/platform/scroll/scroll_types.h"
namespace blink {
class CORE_EXPORT NGPhysicalBoxFragment final
: public NGPhysicalContainerFragment {
public:
// This modifies the passed-in children vector.
NGPhysicalBoxFragment(LayoutObject* layout_object,
const ComputedStyle& style,
NGStyleVariant style_variant,
NGPhysicalSize size,
Vector<scoped_refptr<NGPhysicalFragment>>& children,
const NGPixelSnappedPhysicalBoxStrut& padding,
const NGPhysicalOffsetRect& contents_visual_rect,
Vector<NGBaseline>& baselines,
NGBoxType box_type,
bool is_old_layout_root,
unsigned, // NGBorderEdges::Physical
scoped_refptr<NGBreakToken> break_token = nullptr);
const NGBaseline* Baseline(const NGBaselineRequest&) const;
const NGPixelSnappedPhysicalBoxStrut& Padding() const { return padding_; }
bool HasSelfPaintingLayer() const;
bool ChildrenInline() const;
// True if overflow != 'visible', except for certain boxes that do not allow
// overflow clip; i.e., AllowOverflowClip() returns false.
bool HasOverflowClip() const;
bool ShouldClipOverflow() const;
NGPhysicalOffsetRect ScrollableOverflow() const;
// TODO(layout-dev): These three methods delegate to legacy layout for now,
// update them to use LayoutNG based overflow information from the fragment
// and change them to use NG geometry types once LayoutNG supports overflow.
LayoutRect OverflowClipRect(
const LayoutPoint& location,
OverlayScrollbarClipBehavior = kIgnorePlatformOverlayScrollbarSize) const;
IntSize ScrolledContentOffset() const;
LayoutSize ScrollSize() const;
// Visual rect of this box in the local coordinate. Does not include children
// even if they overflow this box.
NGPhysicalOffsetRect SelfVisualRect() const;
// VisualRect of itself including contents, in the local coordinate.
NGPhysicalOffsetRect VisualRectWithContents() const;
void AddSelfOutlineRects(Vector<LayoutRect>*,
const LayoutPoint& additional_offset) const;
UBiDiLevel BidiLevel() const override;
scoped_refptr<NGPhysicalFragment> CloneWithoutOffset() const;
private:
Vector<NGBaseline> baselines_;
NGPixelSnappedPhysicalBoxStrut padding_;
NGPhysicalOffsetRect descendant_outlines_;
};
DEFINE_TYPE_CASTS(NGPhysicalBoxFragment,
NGPhysicalFragment,
fragment,
fragment->Type() == NGPhysicalFragment::kFragmentBox,
fragment.Type() == NGPhysicalFragment::kFragmentBox);
} // namespace blink
#endif // NGPhysicalBoxFragment_h
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