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// Copyright 2016 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.
#ifndef RelocatablePosition_h
#define RelocatablePosition_h
#include "core/CoreExport.h"
#include "core/dom/Range.h"
namespace blink {
// |RelocatablePosition| is a helper class for keeping track of a |Position| in
// a document upon DOM tree changes even if the given |Position|'s original
// anchor node is moved out of document. The class is implemented by using a
// temporary |Range| object to keep track of the |Position|, and disposing the
// |Range| when out of scope.
class CORE_EXPORT RelocatablePosition final {
explicit RelocatablePosition(const Position&);
Position GetPosition() const;
const Member<Range> range_;
} // namespace blink
#endif // RelocatablePosition_h