Invalidate caret during paint invalidation

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 175 matching lines @@
 
   Position base() const { return selection().base(); }
   Position extent() const { return selection().extent(); }
   Position start() const { return selection().start(); }
   Position end() const { return selection().end(); }
 
   // Returns true if specified layout block has caret. This function is
   // called during InRecalStyle and InPaint.
   bool hasCaretIn(const LayoutBlock&) const;
 
+  // Return the caret rect in local coordinate space of |caretLayoutBlock|.
+  LayoutRect caretLocalRect() const;
+  LayoutBlock* caretLayoutBlock() const;
+
+  void setCaretVisualRect(const LayoutRect&);
+  const DisplayItemClient& getCaretDisplayItemClient() const;
+
   // Bounds of (possibly transformed) caret in absolute coords
   IntRect absoluteCaretBounds();
 
   void didChangeFocus();
 
   bool isNone() const { return selection().isNone(); }
   bool isCaret() const { return selection().isCaret(); }
   bool isRange() const { return selection().isRange(); }
   bool isInPasswordField() const;
   bool isDirectional() const { return selection().isDirectional(); }
 
   // If this FrameSelection has a logical range which is still valid, this
   // function return its clone. Otherwise, the return value from underlying
   // VisibleSelection's firstRange() is returned.
   Range* firstRange() const;
 
   void documentAttached(Document*);
-  void dataWillChange(const CharacterData& node);
 
   void didLayout();
   bool isAppearanceDirty() const;
   void commitAppearanceIfNeeded(LayoutView&);
   void setCaretVisible(bool caretIsVisible);
-  void setCaretRectNeedsUpdate();
   void scheduleVisualUpdate() const;
-  void invalidateCaretRect(bool forceInvalidation = false);
+
   void paintCaret(GraphicsContext&, const LayoutPoint&);
 
+  void setCaretMayNeedPaintInvalidation();
+  void setCaretNeedsPaintInvalidation();
+
   // 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();
 
@@ skipping 39 matching lines @@
 
   // TODO(yosin): We should check DOM tree version and style version in
   // |FrameSelection::selection()| to make sure we use updated selection,
   // rather than having |updateIfNeeded()|. Once, we update all layout tests
   // to use updated selection, we should make |updateIfNeeded()| private.
   void updateIfNeeded();
 
   DECLARE_TRACE();
 
  private:
+  friend class BlockPaintInvalidatorTest;
   friend class FrameSelectionTest;
   friend class PaintControllerPaintTestForSlimmingPaintV1AndV2;
   friend class SelectionControllerTest;
   FRIEND_TEST_ALL_PREFIXES(PaintControllerPaintTestForSlimmingPaintV1AndV2,
                            FullDocumentPaintingWithCaret);
 
   explicit FrameSelection(LocalFrame&);
 
-  // For |PaintControllerPaintTestForSlimmingPaintV1AndV2|.
-  const DisplayItemClient& caretDisplayItemClientForTesting() const;
-
   // Note: We have |selectionInFlatTree()| for unit tests, we should
   // use |visibleSelection<EditingInFlatTreeStrategy>()|.
   const VisibleSelectionInFlatTree& selectionInFlatTree() const;
 
   template <typename Strategy>
   void setSelectionAlgorithm(const VisibleSelectionTemplate<Strategy>&,
                              SetSelectionOptions,
                              CursorAlignOnScroll,
                              TextGranularity);
 
@@ skipping 26 matching lines @@
                               unsigned offset,
                               unsigned oldLength,
                               unsigned newLength) final;
   void didMergeTextNodes(const Text& mergedNode,
                          const NodeWithIndex& nodeToBeRemovedWithIndex,
                          unsigned oldLength) final;
   void didSplitTextNode(const Text& oldNode) final;
 
   // For unittests
   bool shouldPaintCaretForTesting() const;
-  bool isPreviousCaretDirtyForTesting() const;
 
   Member<LocalFrame> m_frame;
   const Member<PendingSelection> m_pendingSelection;
   const Member<SelectionEditor> m_selectionEditor;
 
   TextGranularity m_granularity;
   LayoutUnit m_xPosForVerticalArrowNavigation;
 
   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;
   bool m_useSecureKeyboardEntryWhenActive = false;
 };
 
 }  // 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