chromium/third_party/blink/renderer/core/editing/frame_selection.h

/*
 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_FRAME_SELECTION_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_FRAME_SELECTION_H_

#include <memory>

#include "base/check_op.h"
#include "base/dcheck_is_on.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/synchronous_mutation_observer.h"
#include "third_party/blink/renderer/core/editing/ephemeral_range.h"
#include "third_party/blink/renderer/core/editing/forward.h"
#include "third_party/blink/renderer/core/editing/set_selection_options.h"
#include "third_party/blink/renderer/core/editing/visible_units.h"
#include "third_party/blink/renderer/core/scroll/scroll_alignment.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "ui/gfx/geometry/rect.h"

namespace blink {

class EffectPaintPropertyNode;
class Element;
class FrameCaret;
class GranularityStrategy;
class GraphicsContext;
class InlineCursor;
class InlineCursorPosition;
class LayoutBlock;
class LayoutSelection;
class LayoutText;
class LocalFrame;
class PhysicalBoxFragment;
class Range;
class SelectionEditor;
class TextIteratorBehavior;
enum class SelectionModifyAlteration;
enum class SelectionModifyDirection;
enum class SelectionState;
struct PaintInvalidatorContext;
struct PhysicalOffset;
struct PhysicalRect;

enum RevealExtentOption {};

enum class CaretVisibility;

enum class HandleVisibility {};
enum class ContextMenuVisibility {};
enum class SelectSoftLineBreak {};

// This is return type of ComputeLayoutSelectionStatus(cursor).
// This structure represents how the fragment is selected.
// |start|, |end| : Selection start/end offset. This offset is based on
//   the text of InlineNode of a parent block thus
//   |fragemnt.StartOffset <= start <= end <= fragment.EndOffset|.
// |start| == |end| means this fragment is not selected.
// |line_break| : This value represents If this fragment is selected and
// selection wraps soft line break.
struct LayoutSelectionStatus {};

enum class SelectionIncludeEnd {};

struct LayoutTextSelectionStatus {};

class CORE_EXPORT FrameSelection final
    : public GarbageCollected<FrameSelection>,
      public SynchronousMutationObserver {};

}  // namespace blink

#if DCHECK_IS_ON()
// Outside the blink namespace for ease of invocation from gdb.
void ShowTree(const blink::FrameSelection&);
void ShowTree(const blink::FrameSelection*);
#endif

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_FRAME_SELECTION_H_