editor/txmgr/nsTransactionItem.h
author Ehsan Akhgari <ehsan@mozilla.com>
Sat, 21 Mar 2015 12:28:04 -0400
changeset 234933 ac4464790ec4896a5188fa50cfc69ae0ffeddc08
parent 202860 d4435430598f14340a30c8f80d7187022aef8cb2
child 410004 08e82e58140dbe3038d33530556eed6f3f71aa93
permissions -rw-r--r--
Bug 1145631 - Part 1: Replace MOZ_OVERRIDE and MOZ_FINAL with override and final in the tree; r=froydnj This patch was automatically generated using the following script: function convert() { echo "Converting $1 to $2..." find . \ ! -wholename "*/.git*" \ ! -wholename "obj-ff-dbg*" \ -type f \ \( -iname "*.cpp" \ -o -iname "*.h" \ -o -iname "*.c" \ -o -iname "*.cc" \ -o -iname "*.idl" \ -o -iname "*.ipdl" \ -o -iname "*.ipdlh" \ -o -iname "*.mm" \) | \ xargs -n 1 sed -i -e "s/\b$1\b/$2/g" } convert MOZ_OVERRIDE override convert MOZ_FINAL final

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsTransactionItem_h__
#define nsTransactionItem_h__

#include "nsCOMPtr.h"
#include "nsCOMArray.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupportsImpl.h"
#include "nscore.h"

class nsITransaction;
class nsTransactionManager;
class nsTransactionStack;

class nsTransactionItem final
{
  nsCOMArray<nsISupports>  mData;
  nsCOMPtr<nsITransaction> mTransaction;
  nsTransactionStack      *mUndoStack;
  nsTransactionStack      *mRedoStack;

public:

  explicit nsTransactionItem(nsITransaction *aTransaction);
  NS_METHOD_(MozExternalRefCountType) AddRef();
  NS_METHOD_(MozExternalRefCountType) Release();

  NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(nsTransactionItem)

  virtual nsresult AddChild(nsTransactionItem *aTransactionItem);
  already_AddRefed<nsITransaction> GetTransaction();
  virtual nsresult GetIsBatch(bool *aIsBatch);
  virtual nsresult GetNumberOfChildren(int32_t *aNumChildren);
  virtual nsresult GetChild(int32_t aIndex, nsTransactionItem **aChild);

  virtual nsresult DoTransaction(void);
  virtual nsresult UndoTransaction(nsTransactionManager *aTxMgr);
  virtual nsresult RedoTransaction(nsTransactionManager *aTxMgr);

  nsCOMArray<nsISupports>& GetData()
  {
    return mData;
  }

private:

  virtual nsresult UndoChildren(nsTransactionManager *aTxMgr);
  virtual nsresult RedoChildren(nsTransactionManager *aTxMgr);

  virtual nsresult RecoverFromUndoError(nsTransactionManager *aTxMgr);
  virtual nsresult RecoverFromRedoError(nsTransactionManager *aTxMgr);

  virtual nsresult GetNumberOfUndoItems(int32_t *aNumItems);
  virtual nsresult GetNumberOfRedoItems(int32_t *aNumItems);

  void CleanUp();
protected:
  virtual ~nsTransactionItem();

  nsCycleCollectingAutoRefCnt mRefCnt;
  NS_DECL_OWNINGTHREAD
};

#endif // nsTransactionItem_h__