| // 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.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_ |