Move lineDirectionPointForBlockDirectionNavigationOf() to FrameSelection.cpp

Source/core/editing/VisiblePosition.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Portions Copyright (c) 2011 Motorola Mobility, 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 607 matching lines @@
 IntRect absoluteCaretBoundsOf(const VisiblePosition& visiblePosition)
 {
     LayoutObject* layoutObject;
     LayoutRect localRect = localCaretRectOfPosition(visiblePosition.toPositionWithAffinity(), layoutObject);
     if (localRect.isEmpty() || !layoutObject)
         return IntRect();
 
     return layoutObject->localToAbsoluteQuad(FloatRect(localRect)).enclosingBoundingBox();
 }
 
-// TODO(yosin) We should move a global function
-// |lineDirectionPointForBlockDirectionNavigationOf()| to "FrameSelection.h"
-// as static function.
-int lineDirectionPointForBlockDirectionNavigationOf(const VisiblePosition& visiblePosition)
-{
-    if (visiblePosition.isNull())
-        return 0;
-
-    LayoutObject* layoutObject;
-    LayoutRect localRect = localCaretRectOfPosition(visiblePosition.toPositionWithAffinity(), layoutObject);
-    if (localRect.isEmpty() || !layoutObject)
-        return 0;
-
-    // This ignores transforms on purpose, for now. Vertical navigation is done
-    // without consulting transforms, so that 'up' in transformed text is 'up'
-    // relative to the text, not absolute 'up'.
-    FloatPoint caretPoint = layoutObject->localToAbsolute(FloatPoint(localRect.location()));
-    LayoutObject* containingBlock = layoutObject->containingBlock();
-    if (!containingBlock)
-        containingBlock = layoutObject; // Just use ourselves to determine the writing mode if we have no containing block.
-    return containingBlock->isHorizontalWritingMode() ? caretPoint.x() : caretPoint.y();
-}
-
 #ifndef NDEBUG
 
 void VisiblePosition::debugPosition(const char* msg) const
 {
     if (isNull()) {
         fprintf(stderr, "Position [%s]: null\n", msg);
         return;
     }
     m_deepPosition.debugPosition(msg);
 }
@@ skipping 26 matching lines @@
     else
         fprintf(stderr, "Cannot showTree for (nil) VisiblePosition.\n");
 }
 
 void showTree(const blink::VisiblePosition& vpos)
 {
     vpos.showTreeForThis();
 }
 
 #endif