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lightning-sunbird  0.9+nobinonly
JoinElementTxn.h
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00037 
00038 #ifndef JoinElementTxn_h__
00039 #define JoinElementTxn_h__
00040 
00041 #include "EditTxn.h"
00042 #include "nsIDOMNode.h"
00043 #include "nsCOMPtr.h"
00044 #include "nsIEditor.h"
00045 
00046 #define JOIN_ELEMENT_TXN_CID \
00047 {/* 9bc5f9f0-ac48-11d2-86d8-000064657374 */ \
00048 0x9bc5f9f0, 0xac48, 0x11d2, \
00049 {0x86, 0xd8, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} }
00050 
00051 class nsEditor;
00052 
00060 class JoinElementTxn : public EditTxn
00061 {
00062 public:
00063 
00064   static const nsIID& GetCID() { static const nsIID iid = JOIN_ELEMENT_TXN_CID; return iid; }
00065 
00071   NS_IMETHOD Init(nsEditor   *aEditor,
00072                   nsIDOMNode *aLeftNode,
00073                   nsIDOMNode *aRightNode);
00074 protected:
00075   JoinElementTxn();
00076 
00077 public:
00078 
00079   virtual ~JoinElementTxn();
00080 
00081   NS_IMETHOD DoTransaction(void);
00082 
00083   NS_IMETHOD UndoTransaction(void);
00084 
00085 //  NS_IMETHOD RedoTransaction(void);
00086 
00087   NS_IMETHOD GetIsTransient(PRBool *aIsTransient);
00088 
00089   NS_IMETHOD Merge(nsITransaction *aTransaction, PRBool *aDidMerge);
00090 
00091   NS_IMETHOD GetTxnDescription(nsAString& aTxnDescription);
00092 
00093 protected:
00094   
00098   nsCOMPtr<nsIDOMNode> mLeftNode;
00099   nsCOMPtr<nsIDOMNode> mRightNode;
00100 
00105   PRUint32  mOffset;
00106 
00108   nsCOMPtr<nsIDOMNode> mParent;
00109   nsEditor*  mEditor;
00110 
00111   friend class TransactionFactory;
00112 
00113 };
00114 
00115 #endif