Introduce CreateVisibleSelectionWithGranularity()

third_party/WebKit/Source/core/editing/VisibleSelection.h

 /*
  * Copyright (C) 2004 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 43 matching lines @@
   DISALLOW_NEW();
 
  public:
   VisibleSelectionTemplate();
   VisibleSelectionTemplate(const VisibleSelectionTemplate&);
   VisibleSelectionTemplate& operator=(const VisibleSelectionTemplate&);
 
   // Note: |create()| should be used only by |createVisibleSelection|.
   static VisibleSelectionTemplate Create(const SelectionTemplate<Strategy>&);
 
+  // Note: |CreateWithGranularity()| should be used only by
+  // |CreateVisibleSelectionWithGranularity()|.
+  static VisibleSelectionTemplate CreateWithGranularity(
+      const SelectionTemplate<Strategy>&,
+      TextGranularity);
+
   SelectionType GetSelectionType() const { return selection_type_; }
 
   TextAffinity Affinity() const { return affinity_; }
 
   SelectionTemplate<Strategy> AsSelection() const;
   PositionTemplate<Strategy> Base() const { return base_; }
   PositionTemplate<Strategy> Extent() const { return extent_; }
   PositionTemplate<Strategy> Start() const { return start_; }
   PositionTemplate<Strategy> End() const { return end_; }
 
@@ skipping 63 matching lines @@
   DECLARE_TRACE();
 
 #ifndef NDEBUG
   void ShowTreeForThis() const;
 #endif
   static void PrintTo(const VisibleSelectionTemplate&, std::ostream*);
 
  private:
   friend class SelectionAdjuster;
 
-  VisibleSelectionTemplate(const SelectionTemplate<Strategy>&);
+  VisibleSelectionTemplate(const SelectionTemplate<Strategy>&, TextGranularity);
 
   void Validate(TextGranularity = kCharacterGranularity);
 
   // Support methods for validate()
   void SetBaseAndExtentToDeepEquivalents();
   void AdjustSelectionToAvoidCrossingShadowBoundaries();
   void AdjustSelectionToAvoidCrossingEditingBoundaries();
   void UpdateSelectionType();
 
   // We need to store these as Positions because VisibleSelection is
@@ skipping 28 matching lines @@
     VisibleSelectionTemplate<EditingInFlatTreeStrategy>;
 
 using VisibleSelection = VisibleSelectionTemplate<EditingStrategy>;
 using VisibleSelectionInFlatTree =
     VisibleSelectionTemplate<EditingInFlatTreeStrategy>;
 
 CORE_EXPORT VisibleSelection CreateVisibleSelection(const SelectionInDOMTree&);
 CORE_EXPORT VisibleSelectionInFlatTree
 CreateVisibleSelection(const SelectionInFlatTree&);
 
+CORE_EXPORT VisibleSelection
+CreateVisibleSelectionWithGranularity(const SelectionInDOMTree&,
+                                      TextGranularity);
+
+CORE_EXPORT VisibleSelectionInFlatTree
+CreateVisibleSelectionWithGranularity(const SelectionInFlatTree&,
+                                      TextGranularity);
+
 // We don't yet support multi-range selections, so we only ever have one range
 // to return.
 CORE_EXPORT EphemeralRange FirstEphemeralRangeOf(const VisibleSelection&);
 
 CORE_EXPORT std::ostream& operator<<(std::ostream&, const VisibleSelection&);
 CORE_EXPORT std::ostream& operator<<(std::ostream&,
                                      const VisibleSelectionInFlatTree&);
 
 PositionInFlatTree ComputeStartRespectingGranularity(
     const PositionInFlatTreeWithAffinity&,
     TextGranularity);
 
 PositionInFlatTree ComputeEndRespectingGranularity(
     const PositionInFlatTree&,
     const PositionInFlatTreeWithAffinity&,
     TextGranularity);
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::VisibleSelection&);
 void showTree(const blink::VisibleSelection*);
 void showTree(const blink::VisibleSelectionInFlatTree&);
 void showTree(const blink::VisibleSelectionInFlatTree*);
 #endif
 
 #endif  // VisibleSelection_h