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32 #include "UndoManager.h"
34 #if ENABLE(UNDO_MANAGER)
41 PassRefPtr<UndoManager> UndoManager::create(Node* host)
43 return adoptRef(new UndoManager(host));
46 UndoManager::UndoManager(Node* host)
47 : m_undoScopeHost(host)
51 void UndoManager::disconnect()
56 void UndoManager::transact(const Dictionary&, bool, ExceptionCode& ec)
59 ec = INVALID_ACCESS_ERR;
62 RefPtr<UndoStep> step;
63 m_undoStack.append(step);
66 void UndoManager::undo(ExceptionCode& ec)
69 ec = INVALID_ACCESS_ERR;
74 void UndoManager::redo(ExceptionCode& ec)
77 ec = INVALID_ACCESS_ERR;
82 void UndoManager::clearUndo(ExceptionCode& ec)
85 ec = INVALID_ACCESS_ERR;
91 void UndoManager::clearRedo(ExceptionCode& ec)
94 ec = INVALID_ACCESS_ERR;
100 void UndoManager::clearUndoRedo()
106 bool UndoManager::isConnected()
108 if (!m_undoScopeHost)
110 if (!m_undoScopeHost->isElementNode())
112 Element* element = toElement(m_undoScopeHost);
113 ASSERT(element->undoScope());
114 if (element->isContentEditable() && !element->isRootEditableElement()) {
115 element->disconnectUndoManager();