Index: third_party/WebKit/Source/core/editing/SelectionAdjuster.h |
diff --git a/third_party/WebKit/Source/core/editing/SelectionAdjuster.h b/third_party/WebKit/Source/core/editing/SelectionAdjuster.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..396a43cceb0a8edaa02ee6ad11cd78ca6f2bb869 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/editing/SelectionAdjuster.h |
@@ -0,0 +1,27 @@ |
+// 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 "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 SelectionAdjuster final { |
+ STATIC_ONLY(SelectionAdjuster); |
+public: |
+ static void adjustSelectionInComposedTree(VisibleSelectionInComposedTree*, const VisibleSelection&); |
+ static void adjustSelectionInDOMTree(VisibleSelection*, const VisibleSelectionInComposedTree&); |
+ static void adjustSelectionToAvoidCrossingShadowBoundaries(VisibleSelection*); |
+ static void adjustSelectionToAvoidCrossingShadowBoundaries(VisibleSelectionInComposedTree*); |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // SelectionAdjuster_h |