Blink handle selection handle visibility

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple 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
@@ skipping 49 matching lines @@
 enum class CursorAlignOnScroll { IfNeeded, Always };
 
 enum EUserTriggered { NotUserTriggered = 0, UserTriggered = 1 };
 
 enum RevealExtentOption { RevealExtent, DoNotRevealExtent };
 
 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);
 
  public:
   static FrameSelection* create(LocalFrame* frame) {
     return new FrameSelection(frame);
   }
   ~FrameSelection();
 
   enum EAlteration { AlterationMove, AlterationExtend };
   enum SetSelectionOption {
     // 1 << 0 is reserved for EUserTriggered
     CloseTyping = 1 << 1,
     ClearTypingStyle = 1 << 2,
     DoNotSetFocus = 1 << 3,
     DoNotUpdateAppearance = 1 << 4,
     DoNotClearStrategy = 1 << 5,
     DoNotAdjustInFlatTree = 1 << 6,
+    HandleVisible = 1 << 7,
   };
   // Union of values in SetSelectionOption and EUserTriggered
   typedef unsigned SetSelectionOptions;
   static inline EUserTriggered selectionOptionsToUserTriggered(
       SetSelectionOptions options) {
     return static_cast<EUserTriggered>(options & UserTriggered);
   }
 
   bool isAvailable() const { return m_document; }
   // You should not call |document()| when |!isAvailable()|.
@@ skipping 42 matching lines @@
                     SetSelectionOptions = CloseTyping | ClearTypingStyle,
                     CursorAlignOnScroll = CursorAlignOnScroll::IfNeeded,
                     TextGranularity = CharacterGranularity);
   bool setSelectedRange(
       const EphemeralRange&,
       TextAffinity,
       SelectionDirectionalMode = SelectionDirectionalMode::NonDirectional,
       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 {
     return selection().getSelectionType();
   }
 
   TextAffinity affinity() const { return selection().affinity(); }
 
   bool modify(EAlteration,
               SelectionDirection,
@@ skipping 67 matching lines @@
   // Used to suspend caret blinking while the mouse is down.
   void setCaretBlinkingSuspended(bool);
   bool isCaretBlinkingSuspended() const;
 
   // Focus
   void setFocused(bool);
   bool isFocused() const { return m_focused; }
   bool isFocusedAndActive() const;
   void pageActivationChanged();
 
+  bool isHandleVisible() const {
+    return m_handleVisibility == HandleVisibility::Visible;
+  }
+
   void updateSecureKeyboardEntryIfActive();
 
   // Returns true if a word is selected.
   bool selectWordAroundPosition(const VisiblePosition&);
 
 #ifndef NDEBUG
   void showTreeForThis() const;
 #endif
 
   void setFocusedNodeIfNeeded();
@@ skipping 80 matching lines @@
   const Member<PendingSelection> m_pendingSelection;
   const Member<SelectionEditor> m_selectionEditor;
 
   TextGranularity m_granularity;
   LayoutUnit m_xPosForVerticalArrowNavigation;
 
   Member<EditingStyle> m_typingStyle;
 
   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;
 
   const Member<FrameCaret> m_frameCaret;
 };
 
 inline EditingStyle* FrameSelection::typingStyle() const {
   return m_typingStyle.get();
 }
 
 inline void FrameSelection::clearTypingStyle() {
   m_typingStyle.clear();
 }
 
 inline void FrameSelection::setTypingStyle(EditingStyle* style) {
   m_typingStyle = style;
 }
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::FrameSelection&);
 void showTree(const blink::FrameSelection*);
 #endif
 
 #endif  // FrameSelection_h