#ifndef edit_command_h__
#define edit_command_h__
#include "EditAction.h"
#include "Selection.h"
namespace WebCore {
class CSSMutableStyleDeclaration;
class Document;
class VisiblePosition;
class EditCommand : public Shared<EditCommand>
{
public:
EditCommand(Document *);
virtual ~EditCommand();
bool isCompositeStep() const { return m_parent != 0; }
EditCommand *parent() const { return m_parent; }
void setParent(EditCommand *parent) { m_parent = parent; }
enum ECommandState { NotApplied, Applied };
void apply();
void unapply();
void reapply();
virtual void doApply() = 0;
virtual void doUnapply() = 0;
virtual void doReapply();
virtual EditAction editingAction() const;
virtual Document * const document() const { return m_document.get(); }
Selection startingSelection() const { return m_startingSelection; }
Selection endingSelection() const { return m_endingSelection; }
ECommandState state() const { return m_state; }
void setState(ECommandState state) { m_state = state; }
void setStartingSelection(const Selection &s);
void setStartingSelection(const VisiblePosition &p);
void setStartingSelection(const Position &p, EAffinity affinity);
void setEndingSelection(const Selection &s);
void setEndingSelection(const VisiblePosition &p);
void setEndingSelection(const Position &p, EAffinity affinity);
CSSMutableStyleDeclaration* typingStyle() const { return m_typingStyle.get(); };
void setTypingStyle(PassRefPtr<CSSMutableStyleDeclaration>);
PassRefPtr<CSSMutableStyleDeclaration> styleAtPosition(const Position&);
virtual bool isInsertTextCommand() const;
virtual bool isTypingCommand() const;
void updateLayout() const;
private:
virtual bool preservesTypingStyle() const;
RefPtr<Document> m_document;
ECommandState m_state;
Selection m_startingSelection;
Selection m_endingSelection;
RefPtr<CSSMutableStyleDeclaration> m_typingStyle;
EditCommand *m_parent;
};
class EditCommandPtr : public RefPtr<EditCommand>
{
public:
EditCommandPtr();
EditCommandPtr(EditCommand *);
bool isCompositeStep() const;
void apply() const;
void unapply() const;
void reapply() const;
EditAction editingAction() const;
Document * const document() const;
Selection startingSelection() const;
Selection endingSelection() const;
void setStartingSelection(const Selection &s) const;
void setStartingSelection(const VisiblePosition &p) const;
void setStartingSelection(const Position &p, EAffinity affinity) const;
void setEndingSelection(const Selection &s) const;
void setEndingSelection(const VisiblePosition &p) const;
void setEndingSelection(const Position &p, EAffinity affinity) const;
CSSMutableStyleDeclaration* typingStyle() const;
void setTypingStyle(PassRefPtr<CSSMutableStyleDeclaration>) const;
EditCommandPtr parent() const;
void setParent(const EditCommandPtr &) const;
bool isInsertTextCommand() const;
bool isInsertLineBreakCommand() const;
bool isTypingCommand() const;
static EditCommandPtr &emptyCommand();
};
}
#endif // __edit_command_h__