Move class EditCommandComposition to UndoStep.h/cpp

third_party/WebKit/Source/core/editing/commands/UndoStep.h

 /*
  * Copyright (C) 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef UndoStep_h
 #define UndoStep_h
 
+#include "core/editing/VisibleSelection.h"
 #include "core/events/InputEvent.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
+class SimpleEditCommand;
+
+// TODO(xiaochengh): Get rid of this interface, and then rename
+// |EditCommandComposition| to |UndoStep|.
 class UndoStep : public GarbageCollectedFinalized<UndoStep> {
  public:
   virtual ~UndoStep() {}
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
   virtual void unapply() = 0;
   virtual void reapply() = 0;
   virtual InputEvent::InputType inputType() const = 0;
 };
 
+class EditCommandComposition final : public UndoStep {
+ public:
+  static EditCommandComposition* create(Document*,
+                                        const VisibleSelection&,
+                                        const VisibleSelection&,
+                                        InputEvent::InputType);
+
+  void unapply() override;
+  void reapply() override;
+  InputEvent::InputType inputType() const override;
+  void append(SimpleEditCommand*);
+  void append(EditCommandComposition*);
+
+  const VisibleSelection& startingSelection() const {
+    return m_startingSelection;
+  }
+  const VisibleSelection& endingSelection() const { return m_endingSelection; }
+  void setStartingSelection(const VisibleSelection&);
+  void setEndingSelection(const VisibleSelection&);
+  Element* startingRootEditableElement() const {
+    return m_startingRootEditableElement.get();
+  }
+  Element* endingRootEditableElement() const {
+    return m_endingRootEditableElement.get();
+  }
+
+  DECLARE_VIRTUAL_TRACE();
+
+ private:
+  EditCommandComposition(Document*,
+                         const VisibleSelection& startingSelection,
+                         const VisibleSelection& endingSelection,
+                         InputEvent::InputType);
+
+  Member<Document> m_document;
+  VisibleSelection m_startingSelection;
+  VisibleSelection m_endingSelection;
+  HeapVector<Member<SimpleEditCommand>> m_commands;
+  Member<Element> m_startingRootEditableElement;
+  Member<Element> m_endingRootEditableElement;
+  InputEvent::InputType m_inputType;
+};
+
 }  // namespace blink
 
 #endif