| // 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 SelectionAdjuster_h |
| #define SelectionAdjuster_h |
| |
| #include "core/editing/VisibleSelection.h" |
| #include "platform/wtf/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 Position AdjustSelectionStartToAvoidCrossingShadowBoundaries( |
| const EphemeralRange&); |
| static Position AdjustSelectionEndToAvoidCrossingShadowBoundaries( |
| const EphemeralRange&); |
| static PositionInFlatTree AdjustSelectionStartToAvoidCrossingShadowBoundaries( |
| const EphemeralRangeInFlatTree&); |
| static PositionInFlatTree AdjustSelectionEndToAvoidCrossingShadowBoundaries( |
| const EphemeralRangeInFlatTree&); |
| }; |
| |
| } // namespace blink |
| |
| #endif // SelectionAdjuster_h |