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// Copyright 2015 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_SELECTION_STATE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SELECTION_STATE_H_
#include <iosfwd>
#include "third_party/blink/renderer/core/core_export.h"
namespace blink {
// Each LayoutObject has a SelectionState and it represents how the
// LayoutObject is selected. This enum is used to paint/invalidate selection
// highlight for the LayoutObject.
enum class SelectionState {
// The LayoutObject is not selected.
kNone,
// kStart, kInside, kEnd and kStartAndEnd represent the LayoutObject
// is somehow selected to paint and either LayoutText or LayoutReplaced.
// The start of a selection.
kStart,
// Inside a selection.
kInside,
// The end of a selection.
kEnd,
// The LayoutObject contains an entire selection.
kStartAndEnd,
// The LayoutObject has at least one LayoutObject child which SelectionState
// is not KNone.
// This property is used to invalidate LayoutObject.
kContain
};
CORE_EXPORT std::ostream& operator<<(std::ostream&, const SelectionState);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SELECTION_STATE_H_
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