[WIP] Add support for Android SuggestionSpans when editing text

third_party/WebKit/Source/core/editing/markers/DocumentMarker.h

 /*
  * This file is part of the DOM implementation for WebCore.
  *
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 28 matching lines @@
 // the match is active, which is ignored for all types other than type
 // TextMatch.
 class CORE_EXPORT DocumentMarker : public GarbageCollected<DocumentMarker> {
  public:
   enum MarkerTypeIndex {
     SpellingMarkerIndex = 0,
     GrammarMarkerIndex,
     TextMatchMarkerIndex,
     InvisibleSpellcheckMarkerIndex,
     CompositionMarkerIndex,
+    SuggestionMarkerIndex,
+    SuggestionBackgroundHighlightMarkerIndex,
     MarkerTypeIndexesCount
   };
 
   enum MarkerType {
     Spelling = 1 << SpellingMarkerIndex,
     Grammar = 1 << GrammarMarkerIndex,
     TextMatch = 1 << TextMatchMarkerIndex,
     InvisibleSpellcheck = 1 << InvisibleSpellcheckMarkerIndex,
     Composition = 1 << CompositionMarkerIndex,
+    Suggestion = 1 << SuggestionMarkerIndex,
+    SuggestionBackgroundHighlight = 1

[rlanday, 2017/01/25 18:48:10]

lol @ git cl format...

+                                    << SuggestionBackgroundHighlightMarkerIndex,
   };
 
   class MarkerTypes {
    public:
     // The constructor is intentionally implicit to allow conversion from the
     // bit-wise sum of above types
     MarkerTypes(unsigned mask) : m_mask(mask) {}
 
     bool contains(MarkerType type) const { return m_mask & type; }
     bool intersects(const MarkerTypes& types) const {
       return (m_mask & types.m_mask);
     }
     bool operator==(const MarkerTypes& other) const {
       return m_mask == other.m_mask;
     }
 
     void add(const MarkerTypes& types) { m_mask |= types.m_mask; }
     void remove(const MarkerTypes& types) { m_mask &= ~types.m_mask; }
 
    private:
     unsigned m_mask;
   };
 
   class AllMarkers : public MarkerTypes {
    public:
     AllMarkers()
         : MarkerTypes(Spelling | Grammar | TextMatch | InvisibleSpellcheck |
-                      Composition) {}
+                      Composition |
+                      Suggestion |
+                      SuggestionBackgroundHighlight) {}
   };
 
   class MisspellingMarkers : public MarkerTypes {
    public:
     MisspellingMarkers() : MarkerTypes(Spelling | Grammar) {}
   };
 
   class SpellCheckClientMarkers : public MarkerTypes {
    public:
     SpellCheckClientMarkers()
         : MarkerTypes(Spelling | Grammar | InvisibleSpellcheck) {}
   };
 
   DocumentMarker(MarkerType,
                  unsigned startOffset,
                  unsigned endOffset,
                  const String& description,
                  uint32_t hash);
   DocumentMarker(unsigned startOffset, unsigned endOffset, bool activeMatch);
+  DocumentMarker(MarkerType type,
+                 unsigned startOffset,
+                 unsigned endOffset,
+                 Color underlineColor,
+                 bool thick,
+                 Color backgroundColor);
   DocumentMarker(unsigned startOffset,
                  unsigned endOffset,
                  Color underlineColor,
                  bool thick,
-                 Color backgroundColor);
+                 Color backgroundColor,
+                 const std::vector<std::string>& suggestions,
+                 int32_t suggestionMarkerID);
 
   DocumentMarker(const DocumentMarker&);
 
   MarkerType type() const { return m_type; }
   unsigned startOffset() const { return m_startOffset; }
   unsigned endOffset() const { return m_endOffset; }
   uint32_t hash() const { return m_hash; }
 
   const String& description() const;
   bool activeMatch() const;
   Color underlineColor() const;
   bool thick() const;
   Color backgroundColor() const;
+  const std::vector<std::string> suggestions() const;
+  int suggestionMarkerID() const;
   DocumentMarkerDetails* details() const;
 
   void setActiveMatch(bool);
   void clearDetails() { m_details.clear(); }
+  void replaceSuggestion(int index, const std::string& newSuggestion);
 
   // Offset modifications are done by DocumentMarkerController.
   // Other classes should not call following setters.
   void setStartOffset(unsigned offset) { m_startOffset = offset; }
   void setEndOffset(unsigned offset) { m_endOffset = offset; }
   void shiftOffsets(int delta);
 
   bool operator==(const DocumentMarker& o) const {
     return type() == o.type() && startOffset() == o.startOffset() &&
            endOffset() == o.endOffset();
@@ skipping 18 matching lines @@
 }
 
 class DocumentMarkerDetails
     : public GarbageCollectedFinalized<DocumentMarkerDetails> {
  public:
   DocumentMarkerDetails() {}
   virtual ~DocumentMarkerDetails();
   virtual bool isDescription() const { return false; }
   virtual bool isTextMatch() const { return false; }
   virtual bool isComposition() const { return false; }
+  virtual bool isSuggestion() const { return true; }
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 }  // namespace blink
 
 #endif  // DocumentMarker_h