[InputEvent] Support |deleteByDrag|, |insertFromDrop| and fire in sequential order

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

 /*
  * Copyright (C) 2006, 2007, 2008 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 26 matching lines @@
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/markers/DocumentMarker.h"
 #include "core/events/InputEvent.h"
 #include "platform/PasteMode.h"
 #include "platform/heap/Handle.h"
 #include <memory>
 
 namespace blink {
 
 class CompositeEditCommand;
+class DragData;
 class DummyPageHolder;
 class EditCommandComposition;
 class EditorClient;
 class EditorInternalCommand;
 class LocalFrame;
 class HitTestResult;
 class KillRing;
 class Pasteboard;
 class SpellChecker;
 class StylePropertySet;
 class TextEvent;
 class UndoStack;
 
 enum class DeleteDirection;
+enum class DeleteMode { Simple, Smart };
+enum class InsertMode { Simple, Smart };
+enum class DragSourceType { HTMLSource, PlainTextSource };
 
 enum EditorCommandSource { CommandFromMenuOrKeyBinding, CommandFromDOM };
 enum EditorParagraphSeparator {
   EditorParagraphSeparatorIsDiv,
   EditorParagraphSeparatorIsP
 };
 
 class CORE_EXPORT Editor final : public GarbageCollectedFinalized<Editor> {
   WTF_MAKE_NONCOPYABLE(Editor);
 
@@ skipping 32 matching lines @@
   void transpose();
 
   void respondToChangedContents(const VisibleSelection& endingSelection);
 
   bool selectionStartHasStyle(CSSPropertyID, const String& value) const;
   TriState selectionHasStyle(CSSPropertyID, const String& value) const;
   String selectionStartCSSPropertyValue(CSSPropertyID);
 
   void removeFormattingAndStyle();
 
+  void registerCommandGroup(CompositeEditCommand* commandGroupWrapper);
   void clearLastEditCommand();
 
   bool deleteWithDirection(DeleteDirection,
                            TextGranularity,
                            bool killRing,
                            bool isTypingAction);
-  void deleteSelectionWithSmartDelete(bool smartDelete, InputEvent::InputType);
+  void deleteSelectionWithSmartDelete(
+      DeleteMode,
+      InputEvent::InputType,
+      const Position& referenceMovePosition = Position());
 
   void applyStyle(StylePropertySet*, InputEvent::InputType);
   void applyParagraphStyle(StylePropertySet*, InputEvent::InputType);
   void applyStyleToSelection(StylePropertySet*, InputEvent::InputType);
   void applyParagraphStyleToSelection(StylePropertySet*, InputEvent::InputType);
 
   void appliedEditing(CompositeEditCommand*);
   void unappliedEditing(EditCommandComposition*);
   void reappliedEditing(EditCommandComposition*);
 
@@ skipping 81 matching lines @@
   EditingBehavior behavior() const;
 
   EphemeralRange selectedRange();
 
   void addToKillRing(const EphemeralRange&);
 
   void pasteAsFragment(DocumentFragment*, bool smartReplace, bool matchStyle);
   void pasteAsPlainText(const String&, bool smartReplace);
 
   Element* findEventTargetFrom(const VisibleSelection&) const;
+  Element* findEventTargetFromSelection() const;
 
   bool findString(const String&, FindOptions);
 
   Range* findStringAndScrollToVisible(const String&, Range*, FindOptions);
   Range* findRangeOfString(const String& target,
                            const EphemeralRange& referenceRange,
                            FindOptions);
   Range* findRangeOfString(const String& target,
                            const EphemeralRangeInFlatTree& referenceRange,
                            FindOptions);
@@ skipping 15 matching lines @@
   void replaceSelectionWithFragment(DocumentFragment*,
                                     bool selectReplacement,
                                     bool smartReplace,
                                     bool matchStyle);
   void replaceSelectionWithText(const String&,
                                 bool selectReplacement,
                                 bool smartReplace);
 
   // TODO(xiaochengh): Replace |bool| parameters by |enum|.
   void replaceSelectionAfterDragging(DocumentFragment*,
-                                     bool smartReplace,
-                                     bool plainText);
-  void moveSelectionAfterDragging(DocumentFragment*,
-                                  const Position&,
-                                  bool smartInsert,
-                                  bool smartDelete);
+                                     InsertMode,
+                                     DragSourceType);
+
+  // Return false if frame was destroyed by event handler, should stop executing remaining actions.
+  bool deleteSelectionAfterDraggingWithEvents(
+      Element* dragSource,
+      DeleteMode,
+      const Position& referenceMovePosition);
+  bool replaceSelectionAfterDraggingWithEvents(Element* dropTarget,
+                                               DragData*,
+                                               DocumentFragment*,
+                                               Range* dropCaretRange,
+                                               InsertMode,
+                                               DragSourceType);
 
   EditorParagraphSeparator defaultParagraphSeparator() const {
     return m_defaultParagraphSeparator;
   }
   void setDefaultParagraphSeparator(EditorParagraphSeparator separator) {
     m_defaultParagraphSeparator = separator;
   }
 
   static void tidyUpHTMLStructure(Document&);
 
@@ skipping 48 matching lines @@
                         DataTransferAccessPolicy,
                         PasteMode = AllMimeTypes);
 
   void revealSelectionAfterEditingOperation(
       const ScrollAlignment& = ScrollAlignment::alignCenterIfNeeded,
       RevealExtentOption = DoNotRevealExtent);
   void changeSelectionAfterCommand(const VisibleSelection& newSelection,
                                    FrameSelection::SetSelectionOptions);
   void notifyComponentsOnChangedSelection();
 
-  Element* findEventTargetFromSelection() const;
-
   SpellChecker& spellChecker() const;
 
   bool handleEditingKeyboardEvent(KeyboardEvent*);
 };
 
 inline void Editor::setStartNewKillRingSequence(bool flag) {
   m_shouldStartNewKillRingSequence = flag;
 }
 
 inline const VisibleSelection& Editor::mark() const {
   return m_mark;
 }
 
 inline void Editor::setMark(const VisibleSelection& selection) {
   m_mark = selection;
 }
 
 inline bool Editor::markedTextMatchesAreHighlighted() const {
   return m_areMarkedTextMatchesHighlighted;
 }
 
 }  // namespace blink
 
 #endif  // Editor_h