third_party/blink/renderer/core/editing/layout_selection.h

/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 * Copyright (C) 2006 Apple Computer, Inc.
 *
 * 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.
 *
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_LAYOUT_SELECTION_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_LAYOUT_SELECTION_H_

#include "base/optional.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/editing/forward.h"
#include "third_party/blink/renderer/platform/heap/handle.h"

namespace blink {

class IntRect;
class LayoutObject;
class LayoutText;
class NGPaintFragment;
class FrameSelection;
struct LayoutSelectionStatus;
struct LayoutTextSelectionStatus;
class SelectionPaintRange;

class LayoutSelection final : public GarbageCollected<LayoutSelection> {
 public:
  explicit LayoutSelection(FrameSelection&);

  void SetHasPendingSelection();
  void Commit();

  IntRect AbsoluteSelectionBounds();
  void InvalidatePaintForSelection();

  LayoutTextSelectionStatus ComputeSelectionStatus(const LayoutText&) const;
  LayoutSelectionStatus ComputeSelectionStatus(const NGPaintFragment&) const;
  static bool IsSelected(const LayoutObject&);

  void OnDocumentShutdown();

  void Trace(Visitor*);

 private:
  Member<FrameSelection> frame_selection_;
  bool has_pending_selection_ : 1;

  Member<SelectionPaintRange> paint_range_;
};

}  // namespace blink

#endif