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// Copyright 2018 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.
#include "third_party/blink/renderer/core/layout/ng/layout_ng_flexible_box.h"
#include "third_party/blink/renderer/core/layout/layout_analyzer.h"
#include "third_party/blink/renderer/core/layout/layout_view.h"
#include "third_party/blink/renderer/core/layout/ng/ng_block_node.h"
#include "third_party/blink/renderer/core/layout/ng/ng_constraint_space.h"
#include "third_party/blink/renderer/core/layout/ng/ng_layout_result.h"
#include "third_party/blink/renderer/core/layout/ng/ng_out_of_flow_positioned_node.h"
#include "third_party/blink/renderer/core/layout/ng/ng_physical_box_fragment.h"
namespace blink {
LayoutNGFlexibleBox::LayoutNGFlexibleBox(Element* element)
: LayoutNGMixin<LayoutBlock>(element) {}
void LayoutNGFlexibleBox::UpdateBlockLayout(bool relayout_children) {
LayoutAnalyzer::BlockScope analyzer(*this);
if (IsOutOfFlowPositioned()) {
UpdateOutOfFlowBlockLayout();
return;
}
NGConstraintSpace constraint_space =
NGConstraintSpace::CreateFromLayoutObject(
*this, !View()->GetLayoutState()->Next() /* is_layout_root */);
scoped_refptr<const NGLayoutResult> result =
NGBlockNode(this).Layout(constraint_space);
for (const auto& descendant :
result->PhysicalFragment().OutOfFlowPositionedDescendants())
descendant.node.UseLegacyOutOfFlowPositioning();
}
} // namespace blink
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