[InputEvent] Fire 'beforeinput'/'input' for 6 text styling actions

third_party/WebKit/Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 120 matching lines @@
         case TypingCommand::InsertText:
         case TypingCommand::InsertLineBreak:
         case TypingCommand::InsertParagraphSeparator:
         case TypingCommand::InsertParagraphSeparatorInQuotedContent:
             return InputEvent::InputType::InsertText;
         default:
             return InputEvent::InputType::None;
         }
     }
 
-    // TODO(chongz): Handle other edit actions.
-    return InputEvent::InputType::None;
+    switch (command->editingAction()) {
+    // TODO(chongz): Handle remaining edit actions.
+    case EditActionBold:
+        return InputEvent::InputType::Bold;
+    case EditActionItalics:
+        return InputEvent::InputType::Italic;
+    case EditActionUnderline:
+        return InputEvent::InputType::Underline;
+    case EditActionStrikeThrough:
+        return InputEvent::InputType::StrikeThrough;
+    case EditActionSuperscript:
+        return InputEvent::InputType::Superscript;
+    case EditActionSubscript:
+        return InputEvent::InputType::Subscript;
+    default:
+        return InputEvent::InputType::None;
+    }
 }
 
 InputEvent::EventIsComposing isComposingFromCommand(const CompositeEditCommand* command)
 {
     if (command->isTypingCommand() && toTypingCommand(command)->compositionType() != TypingCommand::TextCompositionNone)
         return InputEvent::EventIsComposing::IsComposing;
     return InputEvent::EventIsComposing::NotComposing;
 }
 
 } // anonymous namespace
@@ skipping 1270 matching lines @@
 
 DEFINE_TRACE(Editor)
 {
     visitor->trace(m_frame);
     visitor->trace(m_lastEditCommand);
     visitor->trace(m_undoStack);
     visitor->trace(m_mark);
 }
 
 } // namespace blink