chromium/third_party/blink/renderer/core/layout/exclusions/exclusion_space.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_EXCLUSIONS_EXCLUSION_SPACE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_EXCLUSIONS_EXCLUSION_SPACE_H_

#include "base/check_op.h"
#include "base/dcheck_is_on.h"
#include "base/notreached.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/layout/geometry/bfc_offset.h"
#include "third_party/blink/renderer/core/layout/geometry/bfc_rect.h"
#include "third_party/blink/renderer/core/layout/exclusions/exclusion_area.h"
#include "third_party/blink/renderer/core/layout/exclusions/layout_opportunity.h"
#include "third_party/blink/renderer/core/style/computed_style_constants.h"
#include "third_party/blink/renderer/platform/geometry/layout_unit.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

LayoutOpportunityVector;

// This class is an implementation detail. For use of the exclusion space,
// see ExclusionSpace below. ExclusionSpace was designed to be cheap
// to construct and cheap to copy if empty.
class CORE_EXPORT ExclusionSpaceInternal final { … };

// The exclusion space represents all of the exclusions within a block
// formatting context.
//
// The space is mutated simply by adding exclusions, and various information
// can be queried based on the exclusions.
class CORE_EXPORT ExclusionSpace { … };

}  // namespace blink

WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(…)
WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(…)
WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(…)

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_EXCLUSIONS_EXCLUSION_SPACE_H_