Blink handle selection handle visibility

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

Index: third_party/WebKit/Source/core/editing/FrameSelection.h
diff --git a/third_party/WebKit/Source/core/editing/FrameSelection.h b/third_party/WebKit/Source/core/editing/FrameSelection.h
index 1e2a5a36e0c6c7d9fe7157f7e0c519813021915f..f1c055f60fd2673ce41d43bbca1fcc033a04f585 100644
--- a/third_party/WebKit/Source/core/editing/FrameSelection.h
+++ b/third_party/WebKit/Source/core/editing/FrameSelection.h
@@ -67,6 +67,8 @@ enum class SelectionDirectionalMode { NonDirectional, Directional };
 
 enum class CaretVisibility;
 
+enum class HandleVisibility { NotVisible, Visible };
+
 class CORE_EXPORT FrameSelection final
     : public GarbageCollectedFinalized<FrameSelection> {
   WTF_MAKE_NONCOPYABLE(FrameSelection);
@@ -86,6 +88,7 @@ class CORE_EXPORT FrameSelection final
     DoNotUpdateAppearance = 1 << 4,
     DoNotClearStrategy = 1 << 5,
     DoNotAdjustInFlatTree = 1 << 6,
+    HandleVisible = 1 << 7,
   };
   // Union of values in SetSelectionOption and EUserTriggered
   typedef unsigned SetSelectionOptions;
@@ -148,11 +151,13 @@ class CORE_EXPORT FrameSelection final
       FrameSelection::SetSelectionOptions = CloseTyping | ClearTypingStyle);
   void selectAll();
   void clear();
+  void clearHandles();
 
   // Call this after doing user-triggered selections to make it easy to delete
   // the frame you entirely selected.
   void selectFrameElementInParentIfFullySelected();
 
+  bool contains(const HitTestResult&);
   bool contains(const LayoutPoint&);
 
   SelectionType getSelectionType() const {
@@ -240,6 +245,10 @@ class CORE_EXPORT FrameSelection final
   bool isFocusedAndActive() const;
   void pageActivationChanged();
 
+  bool isHandleVisible() const {
+    return m_handleVisibility == HandleVisibility::Visible;
+  }
+
   void updateSecureKeyboardEntryIfActive();
 
   // Returns true if a word is selected.
@@ -340,6 +349,8 @@ class CORE_EXPORT FrameSelection final
 
   bool m_focused : 1;
 
+  HandleVisibility m_handleVisibility = HandleVisibility::NotVisible;
+
   // Controls text granularity used to adjust the selection's extent in
   // moveRangeSelectionExtent.
   std::unique_ptr<GranularityStrategy> m_granularityStrategy;