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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 THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SELECTION_ADJUSTER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SELECTION_ADJUSTER_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/editing/forward.h"
#include "third_party/blink/renderer/core/editing/text_granularity.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
// |SelectionAdjuster| adjusts positions in |VisibleSelection| directly without
// calling |validate()|. Users of |SelectionAdjuster| should keep invariant of
// |VisibleSelection|, e.g. all positions are canonicalized.
class CORE_EXPORT SelectionAdjuster final {
STATIC_ONLY(SelectionAdjuster);
public:
static SelectionInDOMTree AdjustSelectionRespectingGranularity(
const SelectionInDOMTree&,
TextGranularity);
static SelectionInFlatTree AdjustSelectionRespectingGranularity(
const SelectionInFlatTree&,
TextGranularity);
static SelectionInDOMTree AdjustSelectionToAvoidCrossingShadowBoundaries(
const SelectionInDOMTree&);
static SelectionInFlatTree AdjustSelectionToAvoidCrossingShadowBoundaries(
const SelectionInFlatTree&);
static SelectionInDOMTree AdjustSelectionToAvoidCrossingEditingBoundaries(
const SelectionInDOMTree&);
static SelectionInFlatTree AdjustSelectionToAvoidCrossingEditingBoundaries(
const SelectionInFlatTree&);
static SelectionInDOMTree AdjustSelectionType(const SelectionInDOMTree&);
static SelectionInFlatTree AdjustSelectionType(const SelectionInFlatTree&);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_SELECTION_ADJUSTER_H_
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