Move honorEditingBoundaryAtOr{Before,After}() for VisiblePosition to VisibleUnits.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 46 matching lines @@
 }
 
 VisiblePosition VisiblePosition::createWithoutCanonicalization(const PositionWithAffinity& canonicalized)
 {
     VisiblePosition visiblePosition;
     visiblePosition.m_deepPosition = canonicalized.position();
     visiblePosition.m_affinity = canonicalized.affinity();
     return visiblePosition;
 }
 
-template <typename Strategy>
-PositionWithAffinityTemplate<Strategy> honorEditingBoundaryAtOrBeforeAlgorithm(const PositionWithAffinityTemplate<Strategy>& pos, const PositionAlgorithm<Strategy>& anchor)
-{
-    if (pos.isNull())
-        return pos;
-
-    ContainerNode* highestRoot = highestEditableRoot(anchor);
-
-    // Return empty position if pos is not somewhere inside the editable region containing this position
-    if (highestRoot && !pos.position().anchorNode()->isDescendantOf(highestRoot))
-        return PositionWithAffinityTemplate<Strategy>();
-
-    // Return pos itself if the two are from the very same editable region, or both are non-editable
-    // FIXME: In the non-editable case, just because the new position is non-editable doesn't mean movement
-    // to it is allowed.  VisibleSelection::adjustForEditableContent has this problem too.
-    if (highestEditableRoot(pos.position()) == highestRoot)
-        return pos;
-
-    // Return empty position if this position is non-editable, but pos is editable
-    // FIXME: Move to the previous non-editable region.
-    if (!highestRoot)
-        return PositionWithAffinityTemplate<Strategy>();
-
-    // Return the last position before pos that is in the same editable region as this position
-    return lastEditablePositionBeforePositionInRoot(pos.position(), highestRoot);
-}
-
-PositionWithAffinity honorEditingBoundaryAtOrBeforeOf(const PositionWithAffinity& pos, const Position& anchor)
-{
-    return honorEditingBoundaryAtOrBeforeAlgorithm(pos, anchor);
-}
-
-PositionInComposedTreeWithAffinity honorEditingBoundaryAtOrBeforeOf(const PositionInComposedTreeWithAffinity& pos, const PositionInComposedTree& anchor)
-{
-    return honorEditingBoundaryAtOrBeforeAlgorithm(pos, anchor);
-}
-
-VisiblePosition honorEditingBoundaryAtOrBefore(const VisiblePosition& pos, const Position& anchor)
-{
-    return createVisiblePosition(honorEditingBoundaryAtOrBeforeOf(pos.toPositionWithAffinity(), anchor));
-}
-
-VisiblePosition honorEditingBoundaryAtOrAfter(const VisiblePosition& pos, const Position& anchor)
-{
-    if (pos.isNull())
-        return pos;
-
-    ContainerNode* highestRoot = highestEditableRoot(anchor);
-
-    // Return empty position if pos is not somewhere inside the editable region containing this position
-    if (highestRoot && !pos.deepEquivalent().anchorNode()->isDescendantOf(highestRoot))
-        return VisiblePosition();
-
-    // Return pos itself if the two are from the very same editable region, or both are non-editable
-    // FIXME: In the non-editable case, just because the new position is non-editable doesn't mean movement
-    // to it is allowed.  VisibleSelection::adjustForEditableContent has this problem too.
-    if (highestEditableRoot(pos.deepEquivalent()) == highestRoot)
-        return pos;
-
-    // Return empty position if this position is non-editable, but pos is editable
-    // FIXME: Move to the next non-editable region.
-    if (!highestRoot)
-        return VisiblePosition();
-
-    // Return the next position after pos that is in the same editable region as this position
-    return firstEditableVisiblePositionAfterPositionInRoot(pos.deepEquivalent(), highestRoot);
-}
-
 template<typename Strategy>
 static PositionWithAffinityTemplate<Strategy> createVisiblePositionAlgorithm(const PositionAlgorithm<Strategy>& position, TextAffinity affinity)
 {
     const PositionAlgorithm<Strategy> deepPosition = canonicalPositionOf(position);
     if (deepPosition.isNull())
         return PositionWithAffinityTemplate<Strategy>();
     if (affinity == TextAffinity::Downstream)
         return PositionWithAffinityTemplate<Strategy>(deepPosition);
 
     // When not at a line wrap, make sure to end up with
@@ skipping 58 matching lines @@
     else
         fprintf(stderr, "Cannot showTree for (nil) VisiblePosition.\n");
 }
 
 void showTree(const blink::VisiblePosition& vpos)
 {
     vpos.showTreeForThis();
 }
 
 #endif