text: /*
   * DO NOT EDIT.  THIS FILE IS GENERATED FROM d:/firefox-5.0.1/mozilla-release/editor/txmgr/idl/nsITransaction.idl
   */
  
  #ifndef __gen_nsITransaction_h__
  #define __gen_nsITransaction_h__
  
  
  #ifndef __gen_nsISupports_h__
  #include "nsISupports.h"
  #endif
  
  /* For IDL files that don't want to include root IDL files. */
  #ifndef NS_NO_VTABLE
  #define NS_NO_VTABLE
  #endif
  
  /* starting interface:    nsITransaction */
  #define NS_ITRANSACTION_IID_STR "58e330c1-7b48-11d2-98b9-00805f297d89"
  
  #define NS_ITRANSACTION_IID \
    {0x58e330c1, 0x7b48, 0x11d2, \
      { 0x98, 0xb9, 0x00, 0x80, 0x5f, 0x29, 0x7d, 0x89 }}
  
  class NS_NO_VTABLE NS_SCRIPTABLE nsITransaction : public nsISupports {
   public: 
  
    NS_DECLARE_STATIC_IID_ACCESSOR(NS_ITRANSACTION_IID)
  
    /**
     * Executes the transaction.
     */
    /* void doTransaction (); */
    NS_SCRIPTABLE NS_IMETHOD DoTransaction(void) = 0;
  
    /**
     * Restores the state to what it was before the transaction was executed.
     */
    /* void undoTransaction (); */
    NS_SCRIPTABLE NS_IMETHOD UndoTransaction(void) = 0;
  
    /**
     * Executes the transaction again. Can only be called on a transaction that
     * was previously undone.
     * <P>
     * In most cases, the redoTransaction() method will actually call the
     * doTransaction() method to execute the transaction again.
     */
    /* void redoTransaction (); */
    NS_SCRIPTABLE NS_IMETHOD RedoTransaction(void) = 0;
  
    /**
     * The transaction's transient state. This attribute is checked by
     * the transaction manager after the transaction's Execute() method is called.
     * If the transient state is false, a reference to the transaction is
     * held by the transaction manager so that the transactions' undoTransaction()
     * and redoTransaction() methods can be called. If the transient state is
     * true, the transaction manager returns immediately after the transaction's
     * doTransaction() method is called, no references to the transaction are
     * maintained. Transient transactions cannot be undone or redone by the
     * transaction manager.
     */
    /* readonly attribute boolean isTransient; */
    NS_SCRIPTABLE NS_IMETHOD GetIsTransient(PRBool *aIsTransient) = 0;
  
    /**
     * Attempts to merge a transaction into "this" transaction. Both transactions
     * must be in their undo state, doTransaction() methods already called. The
     * transaction manager calls this method to coalesce a new transaction with
     * the transaction on the top of the undo stack.
     * This method returns a boolean value that indicates the merge result.
     * A true value indicates that the transactions were merged successfully,
     * a false value if the merge was not possible or failed. If true,
     * the transaction manager will Release() the new transacton instead of
     * pushing it on the undo stack.
     * @param aTransaction the previously executed transaction to merge.
     */
    /* boolean merge (in nsITransaction aTransaction); */
    NS_SCRIPTABLE NS_IMETHOD Merge(nsITransaction *aTransaction, PRBool *_retval NS_OUTPARAM) = 0;
  
  };
  
    NS_DEFINE_STATIC_IID_ACCESSOR(nsITransaction, NS_ITRANSACTION_IID)
  
  /* Use this macro when declaring classes that implement this interface. */
  #define NS_DECL_NSITRANSACTION \
    NS_SCRIPTABLE NS_IMETHOD DoTransaction(void); \
    NS_SCRIPTABLE NS_IMETHOD UndoTransaction(void); \
    NS_SCRIPTABLE NS_IMETHOD RedoTransaction(void); \
    NS_SCRIPTABLE NS_IMETHOD GetIsTransient(PRBool *aIsTransient); \
    NS_SCRIPTABLE NS_IMETHOD Merge(nsITransaction *aTransaction, PRBool *_retval NS_OUTPARAM); 
  
  /* Use this macro to declare functions that forward the behavior of this interface to another object. */
  #define NS_FORWARD_NSITRANSACTION(_to) \
    NS_SCRIPTABLE NS_IMETHOD DoTransaction(void) { return _to DoTransaction(); } \
    NS_SCRIPTABLE NS_IMETHOD UndoTransaction(void) { return _to UndoTransaction(); } \
    NS_SCRIPTABLE NS_IMETHOD RedoTransaction(void) { return _to RedoTransaction(); } \
    NS_SCRIPTABLE NS_IMETHOD GetIsTransient(PRBool *aIsTransient) { return _to GetIsTransient(aIsTransient); } \
    NS_SCRIPTABLE NS_IMETHOD Merge(nsITransaction *aTransaction, PRBool *_retval NS_OUTPARAM) { return _to Merge(aTransaction, _retval); } 
  
  /* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
  #define NS_FORWARD_SAFE_NSITRANSACTION(_to) \
    NS_SCRIPTABLE NS_IMETHOD DoTransaction(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->DoTransaction(); } \
    NS_SCRIPTABLE NS_IMETHOD UndoTransaction(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->UndoTransaction(); } \
    NS_SCRIPTABLE NS_IMETHOD RedoTransaction(void) { return !_to ? NS_ERROR_NULL_POINTER : _to->RedoTransaction(); } \
    NS_SCRIPTABLE NS_IMETHOD GetIsTransient(PRBool *aIsTransient) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetIsTransient(aIsTransient); } \
    NS_SCRIPTABLE NS_IMETHOD Merge(nsITransaction *aTransaction, PRBool *_retval NS_OUTPARAM) { return !_to ? NS_ERROR_NULL_POINTER : _to->Merge(aTransaction, _retval); } 
  
  #if 0
  /* Use the code below as a template for the implementation class for this interface. */
  
  /* Header file */
  class nsTransaction : public nsITransaction
  {
  public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSITRANSACTION
  
    nsTransaction();
  
  private:
    ~nsTransaction();
  
  protected:
    /* additional members */
  };
  
  /* Implementation file */
  NS_IMPL_ISUPPORTS1(nsTransaction, nsITransaction)
  
  nsTransaction::nsTransaction()
  {
    /* member initializers and constructor code */
  }
  
  nsTransaction::~nsTransaction()
  {
    /* destructor code */
  }
  
  /* void doTransaction (); */
  NS_IMETHODIMP nsTransaction::DoTransaction()
  {
      return NS_ERROR_NOT_IMPLEMENTED;
  }
  
  /* void undoTransaction (); */
  NS_IMETHODIMP nsTransaction::UndoTransaction()
  {
      return NS_ERROR_NOT_IMPLEMENTED;
  }
  
  /* void redoTransaction (); */
  NS_IMETHODIMP nsTransaction::RedoTransaction()
  {
      return NS_ERROR_NOT_IMPLEMENTED;
  }
  
  /* readonly attribute boolean isTransient; */
  NS_IMETHODIMP nsTransaction::GetIsTransient(PRBool *aIsTransient)
  {
      return NS_ERROR_NOT_IMPLEMENTED;
  }
  
  /* boolean merge (in nsITransaction aTransaction); */
  NS_IMETHODIMP nsTransaction::Merge(nsITransaction *aTransaction, PRBool *_retval NS_OUTPARAM)
  {
      return NS_ERROR_NOT_IMPLEMENTED;
  }
  
  /* End of implementation class template. */
  #endif
  
  
  #endif /* __gen_nsITransaction_h__ */
  