ALL-IN-ONE Introduce enum class TextAffinity

Source/core/editing/commands/EditorCommand.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Igalia S.L.
  *
  * 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.
@@ skipping 202 matching lines @@
 
 static bool expandSelectionToGranularity(LocalFrame& frame, TextGranularity granularity)
 {
     VisibleSelection selection = frame.selection().selection();
     selection.expandUsingGranularity(granularity);
     const EphemeralRange newRange = selection.toNormalizedEphemeralRange();
     if (newRange.isNull())
         return false;
     if (newRange.isCollapsed())
         return false;
-    EAffinity affinity = frame.selection().affinity();
+    TextAffinity affinity = frame.selection().affinity();
     frame.selection().setSelectedRange(newRange, affinity, FrameSelection::NonDirectional, FrameSelection::CloseTyping);
     return true;
 }
 
 static TriState selectionListState(const FrameSelection& selection, const QualifiedName& tagName)
 {
     if (selection.isCaret()) {
         if (enclosingElementWithTag(selection.selection().start(), tagName))
             return TrueTriState;
     } else if (selection.isRange()) {
@@ skipping 157 matching lines @@
     frame.editor().deleteWithDirection(DirectionForward, ParagraphBoundary, true, false);
     return true;
 }
 
 static bool executeDeleteToMark(LocalFrame& frame, Event*, EditorCommandSource, const String&)
 {
     // TODO(yosin) We should use |EphemeralRange| version of
     // |VisibleSelection::toNormalizedRange()|.
     RefPtrWillBeRawPtr<Range> mark = frame.editor().mark().toNormalizedRange();
     if (mark) {
-        bool selected = frame.selection().setSelectedRange(unionEphemeralRanges(EphemeralRange(mark.get()), frame.editor().selectedRange()), DOWNSTREAM, FrameSelection::NonDirectional, FrameSelection::CloseTyping);
+        bool selected = frame.selection().setSelectedRange(unionEphemeralRanges(EphemeralRange(mark.get()), frame.editor().selectedRange()), TextAffinity::Downstream, FrameSelection::NonDirectional, FrameSelection::CloseTyping);
         ASSERT(selected);
         if (!selected)
             return false;
     }
     frame.editor().performDelete();
     frame.editor().setMark(frame.selection().selection());
     return true;
 }
 
 static bool executeDeleteWordBackward(LocalFrame& frame, Event*, EditorCommandSource, const String&)
@@ skipping 629 matching lines @@
 }
 
 static bool executeSelectToMark(LocalFrame& frame, Event*, EditorCommandSource, const String&)
 {
     // TODO(yosin) We should use |EphemeralRange| version of
     // |VisibleSelection::toNormalizedRange()|.
     RefPtrWillBeRawPtr<Range> mark = frame.editor().mark().toNormalizedRange();
     EphemeralRange selection = frame.editor().selectedRange();
     if (!mark || selection.isNull())
         return false;
-    frame.selection().setSelectedRange(unionEphemeralRanges(EphemeralRange(mark.get()), selection), DOWNSTREAM, FrameSelection::NonDirectional, FrameSelection::CloseTyping);
+    frame.selection().setSelectedRange(unionEphemeralRanges(EphemeralRange(mark.get()), selection), TextAffinity::Downstream, FrameSelection::NonDirectional, FrameSelection::CloseTyping);
     return true;
 }
 
 static bool executeSelectWord(LocalFrame& frame, Event*, EditorCommandSource, const String&)
 {
     return expandSelectionToGranularity(frame, WordGranularity);
 }
 
 static bool executeSetMark(LocalFrame& frame, Event*, EditorCommandSource, const String&)
 {
@@ skipping 729 matching lines @@
 {
     return m_command && m_command->isTextInsertion;
 }
 
 int Editor::Command::idForHistogram() const
 {
     return isSupported() ? m_command->idForUserMetrics : 0;
 }
 
 } // namespace blink