gecko-dev/editor/txmgr/src/nsTransactionManager.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
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*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
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#include "nsITransaction.h"
#include "nsITransactionListener.h"
#include "nsTransactionItem.h"
#include "nsTransactionStack.h"
#include "nsVoidArray.h"
#include "nsTransactionManager.h"
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
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#include "nsTransactionList.h"
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#include "nsCOMPtr.h"
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#define LOCK_TX_MANAGER(mgr) (mgr)->Lock()
#define UNLOCK_TX_MANAGER(mgr) (mgr)->Unlock()
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nsTransactionManager::nsTransactionManager(PRInt32 aMaxTransactionCount)
: mMaxTransactionCount(aMaxTransactionCount), mListeners(0)
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{
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mMonitor = ::PR_NewMonitor();
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}
nsTransactionManager::~nsTransactionManager()
{
if (mListeners)
{
PRInt32 i;
nsITransactionListener *listener;
for (i = 0; i < mListeners->Count(); i++)
{
listener = (nsITransactionListener *)mListeners->ElementAt(i);
NS_IF_RELEASE(listener);
}
delete mListeners;
mListeners = 0;
}
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if (mMonitor)
{
::PR_DestroyMonitor(mMonitor);
mMonitor = 0;
}
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}
#ifdef DEBUG_TXMGR_REFCNT
nsrefcnt nsTransactionManager::AddRef(void)
{
return ++mRefCnt;
}
nsrefcnt nsTransactionManager::Release(void)
{
NS_PRECONDITION(0 != mRefCnt, "dup release");
if (--mRefCnt == 0) {
NS_DELETEXPCOM(this);
return 0;
}
return mRefCnt;
}
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
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NS_IMPL_QUERY_INTERFACE2(nsTransactionManager, nsITransactionManager, nsISupportsWeakReference)
#else
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
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NS_IMPL_ISUPPORTS2(nsTransactionManager, nsITransactionManager, nsISupportsWeakReference)
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#endif
NS_IMETHODIMP
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
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nsTransactionManager::DoTransaction(nsITransaction *aTransaction)
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{
nsresult result;
if (!aTransaction)
return NS_ERROR_NULL_POINTER;
LOCK_TX_MANAGER(this);
PRBool doInterrupt = PR_FALSE;
result = WillDoNotify(aTransaction, &doInterrupt);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (doInterrupt) {
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
result = BeginTransaction(aTransaction);
if (NS_FAILED(result)) {
DidDoNotify(aTransaction, result);
UNLOCK_TX_MANAGER(this);
return result;
}
result = EndTransaction();
nsresult result2 = DidDoNotify(aTransaction, result);
if (NS_SUCCEEDED(result))
result = result2;
UNLOCK_TX_MANAGER(this);
return result;
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}
NS_IMETHODIMP
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
nsTransactionManager::UndoTransaction()
1998-11-19 21:43:21 +00:00
{
nsresult result = NS_OK;
nsTransactionItem *tx = 0;
LOCK_TX_MANAGER(this);
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
// It is illegal to call UndoTransaction() while the transaction manager is
// executing a transaction's DoTransaction() method! If this happens,
// the UndoTransaction() request is ignored, and we return NS_ERROR_FAILURE.
result = mDoStack.Peek(&tx);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (tx) {
UNLOCK_TX_MANAGER(this);
return NS_ERROR_FAILURE;
}
// Peek at the top of the undo stack. Don't remove the transaction
// until it has successfully completed.
result = mUndoStack.Peek(&tx);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
// Bail if there's nothing on the stack.
if (!tx) {
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
nsITransaction *t = 0;
result = tx->GetTransaction(&t);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
PRBool doInterrupt = PR_FALSE;
result = WillUndoNotify(t, &doInterrupt);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (doInterrupt) {
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
result = tx->UndoTransaction(this);
if (NS_SUCCEEDED(result)) {
result = mUndoStack.Pop(&tx);
if (NS_SUCCEEDED(result))
result = mRedoStack.Push(tx);
}
nsresult result2 = DidUndoNotify(t, result);
if (NS_SUCCEEDED(result))
result = result2;
UNLOCK_TX_MANAGER(this);
return result;
1998-11-19 21:43:21 +00:00
}
NS_IMETHODIMP
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
nsTransactionManager::RedoTransaction()
1998-11-19 21:43:21 +00:00
{
nsresult result = NS_OK;
nsTransactionItem *tx = 0;
LOCK_TX_MANAGER(this);
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
// It is illegal to call RedoTransaction() while the transaction manager is
// executing a transaction's DoTransaction() method! If this happens,
// the RedoTransaction() request is ignored, and we return NS_ERROR_FAILURE.
result = mDoStack.Peek(&tx);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (tx) {
UNLOCK_TX_MANAGER(this);
return NS_ERROR_FAILURE;
}
// Peek at the top of the redo stack. Don't remove the transaction
// until it has successfully completed.
result = mRedoStack.Peek(&tx);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
// Bail if there's nothing on the stack.
if (!tx) {
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
nsITransaction *t = 0;
result = tx->GetTransaction(&t);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
PRBool doInterrupt = PR_FALSE;
result = WillRedoNotify(t, &doInterrupt);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (doInterrupt) {
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
result = tx->RedoTransaction(this);
if (NS_SUCCEEDED(result)) {
result = mRedoStack.Pop(&tx);
if (NS_SUCCEEDED(result))
result = mUndoStack.Push(tx);
}
nsresult result2 = DidRedoNotify(t, result);
if (NS_SUCCEEDED(result))
result = result2;
UNLOCK_TX_MANAGER(this);
return result;
1998-11-19 21:43:21 +00:00
}
NS_IMETHODIMP
nsTransactionManager::Clear()
{
nsresult result;
LOCK_TX_MANAGER(this);
result = ClearRedoStack();
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
result = ClearUndoStack();
UNLOCK_TX_MANAGER(this);
return result;
}
NS_IMETHODIMP
nsTransactionManager::BeginBatch()
{
nsresult result;
// We can batch independent transactions together by simply pushing
// a dummy transaction item on the do stack. This dummy transaction item
// will be popped off the do stack, and then pushed on the undo stack
// in EndBatch().
LOCK_TX_MANAGER(this);
PRBool doInterrupt = PR_FALSE;
result = WillBeginBatchNotify(&doInterrupt);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (doInterrupt) {
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
result = BeginTransaction(0);
nsresult result2 = DidBeginBatchNotify(result);
if (NS_SUCCEEDED(result))
result = result2;
UNLOCK_TX_MANAGER(this);
return result;
}
NS_IMETHODIMP
nsTransactionManager::EndBatch()
{
nsTransactionItem *tx = 0;
nsITransaction *ti = 0;
nsresult result;
LOCK_TX_MANAGER(this);
// XXX: Need to add some mechanism to detect the case where the transaction
// at the top of the do stack isn't the dummy transaction, so we can
// throw an error!! This can happen if someone calls EndBatch() within
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
// the DoTransaction() method of a transaction.
//
// For now, we can detect this case by checking the value of the
// dummy transaction's mTransaction field. If it is our dummy
// transaction, it should be NULL. This may not be true in the
// future when we allow users to execute a transaction when beginning
// a batch!!!!
result = mDoStack.Peek(&tx);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (tx)
tx->GetTransaction(&ti);
if (!tx || ti) {
UNLOCK_TX_MANAGER(this);
return NS_ERROR_FAILURE;
}
PRBool doInterrupt = PR_FALSE;
result = WillEndBatchNotify(&doInterrupt);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (doInterrupt) {
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
result = EndTransaction();
nsresult result2 = DidEndBatchNotify(result);
if (NS_SUCCEEDED(result))
result = result2;
UNLOCK_TX_MANAGER(this);
return result;
}
NS_IMETHODIMP
nsTransactionManager::GetNumberOfUndoItems(PRInt32 *aNumItems)
{
nsresult result;
LOCK_TX_MANAGER(this);
result = mUndoStack.GetSize(aNumItems);
UNLOCK_TX_MANAGER(this);
return result;
}
NS_IMETHODIMP
nsTransactionManager::GetNumberOfRedoItems(PRInt32 *aNumItems)
{
nsresult result;
LOCK_TX_MANAGER(this);
result = mRedoStack.GetSize(aNumItems);
UNLOCK_TX_MANAGER(this);
return result;
}
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
NS_IMETHODIMP
nsTransactionManager::GetMaxTransactionCount(PRInt32 *aMaxCount)
{
if (!aMaxCount)
return NS_ERROR_NULL_POINTER;
LOCK_TX_MANAGER(this);
*aMaxCount = mMaxTransactionCount;
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
NS_IMETHODIMP
nsTransactionManager::SetMaxTransactionCount(PRInt32 aMaxCount)
{
PRInt32 numUndoItems = 0, numRedoItems = 0, total = 0;
nsTransactionItem *tx = 0;
nsresult result;
LOCK_TX_MANAGER(this);
// It is illegal to call SetMaxTransactionCount() while the transaction
// manager is executing a transaction's DoTransaction() method because
// the undo and redo stacks might get pruned! If this happens, the
// SetMaxTransactionCount() request is ignored, and we return
// NS_ERROR_FAILURE.
result = mDoStack.Peek(&tx);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
if (tx) {
UNLOCK_TX_MANAGER(this);
return NS_ERROR_FAILURE;
}
// If aMaxCount is less than zero, the user wants unlimited
// levels of undo! No need to prune the undo or redo stacks!
if (aMaxCount < 0) {
mMaxTransactionCount = -1;
UNLOCK_TX_MANAGER(this);
return result;
}
result = mUndoStack.GetSize(&numUndoItems);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
result = mRedoStack.GetSize(&numRedoItems);
if (NS_FAILED(result)) {
UNLOCK_TX_MANAGER(this);
return result;
}
total = numUndoItems + numRedoItems;
// If aMaxCount is greater than the number of transactions that currently
// exist on the undo and redo stack, there is no need to prune the
// undo or redo stacks!
if (aMaxCount > total ) {
mMaxTransactionCount = aMaxCount;
UNLOCK_TX_MANAGER(this);
return result;
}
// Try getting rid of some transactions on the undo stack! Start at
// the bottom of the stack and pop towards the top.
while (numUndoItems > 0 && (numRedoItems + numUndoItems) > aMaxCount) {
tx = 0;
result = mUndoStack.PopBottom(&tx);
if (NS_FAILED(result) || !tx) {
UNLOCK_TX_MANAGER(this);
return result;
}
delete tx;
--numUndoItems;
}
// If neccessary, get rid of some transactions on the redo stack! Start at
// the bottom of the stack and pop towards the top.
while (numRedoItems > 0 && (numRedoItems + numUndoItems) > aMaxCount) {
tx = 0;
result = mRedoStack.PopBottom(&tx);
if (NS_FAILED(result) || !tx) {
UNLOCK_TX_MANAGER(this);
return result;
}
delete tx;
--numRedoItems;
}
mMaxTransactionCount = aMaxCount;
UNLOCK_TX_MANAGER(this);
return result;
}
NS_IMETHODIMP
nsTransactionManager::PeekUndoStack(nsITransaction **aTransaction)
{
nsTransactionItem *tx = 0;
nsresult result;
if (!aTransaction)
return NS_ERROR_NULL_POINTER;
*aTransaction = 0;
LOCK_TX_MANAGER(this);
result = mUndoStack.Peek(&tx);
if (NS_FAILED(result) || !tx) {
UNLOCK_TX_MANAGER(this);
return result;
}
result = tx->GetTransaction(aTransaction);
UNLOCK_TX_MANAGER(this);
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
NS_IF_ADDREF(*aTransaction);
return result;
}
NS_IMETHODIMP
nsTransactionManager::PeekRedoStack(nsITransaction **aTransaction)
{
nsTransactionItem *tx = 0;
nsresult result;
if (!aTransaction)
return NS_ERROR_NULL_POINTER;
*aTransaction = 0;
LOCK_TX_MANAGER(this);
result = mRedoStack.Peek(&tx);
if (NS_FAILED(result) || !tx) {
UNLOCK_TX_MANAGER(this);
return result;
}
result = tx->GetTransaction(aTransaction);
UNLOCK_TX_MANAGER(this);
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
NS_IF_ADDREF(*aTransaction);
return result;
}
NS_IMETHODIMP
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
nsTransactionManager::GetUndoList(nsITransactionList **aTransactionList)
{
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
if (!aTransactionList)
return NS_ERROR_NULL_POINTER;
*aTransactionList = (nsITransactionList *)new nsTransactionList(this, &mUndoStack);
NS_IF_ADDREF(*aTransactionList);
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
return (! *aTransactionList) ? NS_ERROR_OUT_OF_MEMORY : NS_OK;
}
NS_IMETHODIMP
nsTransactionManager::GetRedoList(nsITransactionList **aTransactionList)
{
if (!aTransactionList)
return NS_ERROR_NULL_POINTER;
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
2001-03-09 14:23:59 +00:00
*aTransactionList = (nsITransactionList *)new nsTransactionList(this, &mRedoStack);
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
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NS_IF_ADDREF(*aTransactionList);
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
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return (! *aTransactionList) ? NS_ERROR_OUT_OF_MEMORY : NS_OK;
}
NS_IMETHODIMP
nsTransactionManager::AddListener(nsITransactionListener *aListener)
{
if (!aListener)
return NS_ERROR_NULL_POINTER;
LOCK_TX_MANAGER(this);
if (!mListeners) {
mListeners = new nsAutoVoidArray();
if (!mListeners) {
UNLOCK_TX_MANAGER(this);
return NS_ERROR_OUT_OF_MEMORY;
}
}
if (!mListeners->AppendElement((void *)aListener)) {
UNLOCK_TX_MANAGER(this);
return NS_ERROR_FAILURE;
}
NS_ADDREF(aListener);
UNLOCK_TX_MANAGER(this);
return NS_OK;
}
NS_IMETHODIMP
nsTransactionManager::RemoveListener(nsITransactionListener *aListener)
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{
if (!aListener)
return NS_ERROR_NULL_POINTER;
if (!mListeners)
return NS_ERROR_FAILURE;
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LOCK_TX_MANAGER(this);
if (!mListeners->RemoveElement((void *)aListener))
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{
UNLOCK_TX_MANAGER(this);
return NS_ERROR_FAILURE;
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}
NS_IF_RELEASE(aListener);
if (mListeners->Count() < 1)
{
delete mListeners;
mListeners = 0;
}
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UNLOCK_TX_MANAGER(this);
return NS_OK;
}
nsresult
nsTransactionManager::ClearUndoStack()
{
nsresult result;
LOCK_TX_MANAGER(this);
result = mUndoStack.Clear();
UNLOCK_TX_MANAGER(this);
return result;
1998-11-19 21:43:21 +00:00
}
nsresult
nsTransactionManager::ClearRedoStack()
{
nsresult result;
LOCK_TX_MANAGER(this);
result = mRedoStack.Clear();
UNLOCK_TX_MANAGER(this);
return result;
}
nsresult
nsTransactionManager::WillDoNotify(nsITransaction *aTransaction, PRBool *aInterrupt)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->WillDo(this, aTransaction, aInterrupt);
if (NS_FAILED(result) || *aInterrupt)
break;
}
return result;
}
nsresult
nsTransactionManager::DidDoNotify(nsITransaction *aTransaction, nsresult aDoResult)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->DidDo(this, aTransaction, aDoResult);
if (NS_FAILED(result))
break;
}
return result;
}
nsresult
nsTransactionManager::WillUndoNotify(nsITransaction *aTransaction, PRBool *aInterrupt)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->WillUndo(this, aTransaction, aInterrupt);
if (NS_FAILED(result) || *aInterrupt)
break;
}
return result;
}
nsresult
nsTransactionManager::DidUndoNotify(nsITransaction *aTransaction, nsresult aUndoResult)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->DidUndo(this, aTransaction, aUndoResult);
if (NS_FAILED(result))
break;
}
return result;
}
nsresult
nsTransactionManager::WillRedoNotify(nsITransaction *aTransaction, PRBool *aInterrupt)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->WillRedo(this, aTransaction, aInterrupt);
if (NS_FAILED(result) || *aInterrupt)
break;
}
return result;
}
nsresult
nsTransactionManager::DidRedoNotify(nsITransaction *aTransaction, nsresult aRedoResult)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->DidRedo(this, aTransaction, aRedoResult);
if (NS_FAILED(result))
break;
}
return result;
}
nsresult
nsTransactionManager::WillBeginBatchNotify(PRBool *aInterrupt)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->WillBeginBatch(this, aInterrupt);
if (NS_FAILED(result) || *aInterrupt)
break;
}
return result;
}
nsresult
nsTransactionManager::DidBeginBatchNotify(nsresult aResult)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->DidBeginBatch(this, aResult);
if (NS_FAILED(result))
break;
}
return result;
}
nsresult
nsTransactionManager::WillEndBatchNotify(PRBool *aInterrupt)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->WillEndBatch(this, aInterrupt);
if (NS_FAILED(result) || *aInterrupt)
break;
}
return result;
}
nsresult
nsTransactionManager::DidEndBatchNotify(nsresult aResult)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->DidEndBatch(this, aResult);
if (NS_FAILED(result))
break;
}
return result;
}
nsresult
nsTransactionManager::WillMergeNotify(nsITransaction *aTop, nsITransaction *aTransaction, PRBool *aInterrupt)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->WillMerge(this, aTop, aTransaction, aInterrupt);
if (NS_FAILED(result) || *aInterrupt)
break;
}
return result;
}
nsresult
nsTransactionManager::DidMergeNotify(nsITransaction *aTop,
nsITransaction *aTransaction,
PRBool aDidMerge,
nsresult aMergeResult)
{
if (!mListeners)
return NS_OK;
nsresult result = NS_OK;
PRInt32 i, lcount = mListeners->Count();
for (i = 0; i < lcount; i++)
{
nsITransactionListener *listener = (nsITransactionListener *)mListeners->ElementAt(i);
if (!listener)
return NS_ERROR_FAILURE;
result = listener->DidMerge(this, aTop, aTransaction, aDidMerge, aMergeResult);
if (NS_FAILED(result))
break;
}
return result;
}
nsresult
nsTransactionManager::BeginTransaction(nsITransaction *aTransaction)
{
nsTransactionItem *tx;
nsresult result = NS_OK;
// No need for LOCK/UNLOCK_TX_MANAGER() calls since the calling routine
// should have done this already!
NS_IF_ADDREF(aTransaction);
// XXX: POSSIBLE OPTIMIZATION
// We could use a factory that pre-allocates/recycles transaction items.
tx = new nsTransactionItem(aTransaction);
if (!tx) {
NS_IF_RELEASE(aTransaction);
return NS_ERROR_OUT_OF_MEMORY;
}
result = mDoStack.Push(tx);
if (NS_FAILED(result)) {
delete tx;
return result;
}
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
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result = tx->DoTransaction();
if (NS_FAILED(result)) {
mDoStack.Pop(&tx);
delete tx;
return result;
}
return NS_OK;
}
nsresult
nsTransactionManager::EndTransaction()
{
nsITransaction *tint = 0;
nsTransactionItem *tx = 0;
nsresult result = NS_OK;
// No need for LOCK/UNLOCK_TX_MANAGER() calls since the calling routine
// should have done this already!
result = mDoStack.Pop(&tx);
if (NS_FAILED(result) || !tx)
return result;
result = tx->GetTransaction(&tint);
if (NS_FAILED(result)) {
// XXX: What do we do with the transaction item at this point?
return result;
}
if (!tint) {
PRInt32 nc = 0;
// If we get here, the transaction must be a dummy batch transaction
// created by BeginBatch(). If it contains no children, get rid of it!
tx->GetNumberOfChildren(&nc);
if (!nc) {
delete tx;
return result;
}
}
// Check if the transaction is transient. If it is, there's nothing
// more to do, just return.
PRBool isTransient = PR_FALSE;
if (tint)
result = tint->GetIsTransient(&isTransient);
if (NS_FAILED(result) || isTransient || !mMaxTransactionCount) {
// XXX: Should we be clearing the redo stack if the transaction
// is transient and there is nothing on the do stack?
delete tx;
return result;
}
nsTransactionItem *top = 0;
// Check if there is a transaction on the do stack. If there is,
// the current transaction is a "sub" transaction, and should
// be added to the transaction at the top of the do stack.
result = mDoStack.Peek(&top);
if (top) {
result = top->AddChild(tx);
// XXX: What do we do if this fails?
return result;
}
// The transaction succeeded, so clear the redo stack.
result = ClearRedoStack();
if (NS_FAILED(result)) {
// XXX: What do we do if this fails?
}
// Check if we can coalesce this transaction with the one at the top
// of the undo stack.
top = 0;
result = mUndoStack.Peek(&top);
if (tint && top) {
PRBool didMerge = PR_FALSE;
nsITransaction *topTransaction = 0;
result = top->GetTransaction(&topTransaction);
if (topTransaction) {
PRBool doInterrupt = PR_FALSE;
result = WillMergeNotify(topTransaction, tint, &doInterrupt);
if (NS_FAILED(result))
return result;
if (!doInterrupt) {
Fixes for bug #66308 ([embed] XPIDL'ize transaction manager) sr=sfraser@netscape.com,mscott@netscape.com r=jfrancis@netscape.com * nsITransaction, nsITransactionListenter, nsITransactionManager have been XPIDL'ized and moved into mozilla/editor/txmgr/idl. The versions of these interfaces in mozilla/editor/txmgr/public are being CVS removed. * Renamed Do(), Undo(), and Redo() to DoTransaction(), UndoTransaction(), and RedoTransaction() to avoid reserved word problems in languages like JS. I did a sweep through editor and mailnews to remove these methods. * PeekUndoStack() and PeekRedoStack() now return an AddRef'd pointer. * Removed GetUndoString(), GetRedoString() and Write() from the nsITransaction interface. Neither editor or mailnews really made use of these methods. * Removed Write() from the nsITransactionManager.cpp interface. * The Transaction Manager now supports weak references. * Added support for nsITransactionList to the TransactionManager to allow access to all transactions on the Undo and Redo stacks, as well as auto-aggregated transactions. * Removed all references to nsITransactionDescription from txmgr and editor. * Added nsPIEditorTransaction and made all Editor internal transactions inherit from it so we can distinguish between our transactions and ones from 3rd parties. New files checked in: editor/txmgr/idl/nsITransaction.idl editor/txmgr/idl/nsITransactionList.idl editor/txmgr/idl/nsITransactionListener.idl editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/src/nsITransactionList.cpp editor/txmgr/src/nsITransactionList.h editor/idl/nsPIEditorTransaction.idl Files that were CVS removed: editor/txmgr/public/nsITransaction.h editor/txmgr/public/nsITransactionListener.h editor/txmgr/public/nsITransactionManager.h editor/txmgr/idl/nsITransactionDescription.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h Files modified: editor/Makefile.in editor/makefile.win editor/base/ChangeAttributeTxn.cpp editor/base/ChangeAttributeTxn.h editor/base/CreateElementTxn.cpp editor/base/CreateElementTxn.h editor/base/DeleteElementTxn.cpp editor/base/DeleteElementTxn.h editor/base/DeleteRangeTxn.cpp editor/base/DeleteRangeTxn.h editor/base/DeleteTextTxn.cpp editor/base/DeleteTextTxn.h editor/base/EditAggregateTxn.cpp editor/base/EditAggregateTxn.h editor/base/EditTxn.cpp editor/base/EditTxn.h editor/base/IMECommitTxn.cpp editor/base/IMECommitTxn.h editor/base/IMETextTxn.cpp editor/base/IMETextTxn.h editor/base/InsertElementTxn.cpp editor/base/InsertElementTxn.h editor/base/InsertTextTxn.cpp editor/base/InsertTextTxn.h editor/base/JoinElementTxn.cpp editor/base/JoinElementTxn.h editor/base/nsEditor.cpp editor/base/nsEditorShell.cpp editor/base/nsEditorShell.h editor/base/nsEditorTxnLog.cpp editor/base/nsStyleSheetTxns.cpp editor/base/nsStyleSheetTxns.h editor/base/PlaceholderTxn.cpp editor/base/PlaceholderTxn.h editor/base/SetDocTitleTxn.cpp editor/base/SetDocTitleTxn.h editor/base/SplitElementTxn.cpp editor/base/SplitElementTxn.h editor/idl/Makefile.in editor/idl/makefile.win editor/idl/MANIFEST editor/idl/nsIEditorShell.idl editor/macbuild/editor.mcp editor/macbuild/EditorIDL.mcp editor/txmgr/idl/Makefile.in editor/txmgr/idl/makefile.win editor/txmgr/idl/MANIFEST editor/txmgr/idl/nsITransactionManager.idl editor/txmgr/macbuild/txmgr.mcp editor/txmgr/macbuild/txmgrIDL.mcp editor/txmgr/public/Makefile.in editor/txmgr/public/makefile.win editor/txmgr/public/MANIFEST editor/txmgr/src/Makefile.in editor/txmgr/src/makefile.win editor/txmgr/src/nsTransactionItem.cpp editor/txmgr/src/nsTransactionItem.h editor/txmgr/src/nsTransactionList.cpp editor/txmgr/src/nsTransactionList.h editor/txmgr/src/nsTransactionManager.cpp editor/txmgr/src/nsTransactionManager.h editor/txmgr/src/nsTransactionManagerFactory.cpp editor/txmgr/src/nsTransactionStack.cpp editor/txmgr/src/nsTransactionStack.h editor/txmgr/tests/TestTXMgr.cpp editor/ui/composer/content/EditorCommandsDebug.js editor/ui/composer/content/editorOverlay.xul editor/ui/composer/locale/en-US/editorOverlay.dtd mailnews/base/src/nsMessenger.cpp mailnews/base/util/nsMsgTxn.cpp mailnews/base/util/nsMsgTxn.h mailnews/imap/src/nsImapMailFolder.cpp mailnews/imap/src/nsImapUndoTxn.cpp mailnews/imap/src/nsImapUndoTxn.h mailnews/local/src/nsLocalMailFolder.cpp mailnews/local/src/nsLocalUndoTxn.cpp mailnews/local/src/nsLocalUndoTxn.h
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result = topTransaction->Merge(tint, &didMerge);
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nsresult result2 = DidMergeNotify(topTransaction, tint, didMerge, result);
if (NS_SUCCEEDED(result))
result = result2;
if (NS_FAILED(result)) {
// XXX: What do we do if this fails?
}
if (didMerge) {
delete tx;
return result;
}
}
}
}
// Check to see if we've hit the max level of undo. If so,
// pop the bottom transaction off the undo stack and release it!
PRInt32 sz = 0;
result = mUndoStack.GetSize(&sz);
if (mMaxTransactionCount > 0 && sz >= mMaxTransactionCount) {
nsTransactionItem *overflow = 0;
result = mUndoStack.PopBottom(&overflow);
// XXX: What do we do in the case where this fails?
if (overflow)
delete overflow;
}
// Push the transaction on the undo stack:
result = mUndoStack.Push(tx);
if (NS_FAILED(result)) {
// XXX: What do we do in the case where a clear fails?
// Remove the transaction from the stack, and release it?
}
return result;
}
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nsresult
nsTransactionManager::Lock()
{
if (mMonitor)
PR_EnterMonitor(mMonitor);
return NS_OK;
}
nsresult
nsTransactionManager::Unlock()
{
if (mMonitor)
PR_ExitMonitor(mMonitor);
return NS_OK;
}