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Initial checkin of file. Not part of the build yet.
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288
editor/base/nsJSTxnLog.cpp
Normal file
288
editor/base/nsJSTxnLog.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include <stdio.h>
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#include "nsJSTxnLog.h"
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#define LOCK_LOG(doc)
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#define UNLOCK_LOG(doc)
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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nsJSTxnLog::nsJSTxnLog()
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{
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mRefCnt = 0;
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mIndentLevel = 0;
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mBatchCount = 0;
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}
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nsJSTxnLog::~nsJSTxnLog()
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{
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}
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#define DEBUG_JS_TXN_LOG_REFCNT 1
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#ifdef DEBUG_JS_TXN_LOG_REFCNT
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nsrefcnt nsJSTxnLog::AddRef(void)
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{
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return ++mRefCnt;
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}
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nsrefcnt nsJSTxnLog::Release(void)
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{
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NS_PRECONDITION(0 != mRefCnt, "dup release");
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if (--mRefCnt == 0) {
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NS_DELETEXPCOM(this);
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return 0;
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}
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return mRefCnt;
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}
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#else
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NS_IMPL_ADDREF(nsJSTxnLog)
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NS_IMPL_RELEASE(nsJSTxnLog)
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#endif
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NS_IMETHODIMP
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nsJSTxnLog::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (nsnull == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kISupportsIID)) {
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*aInstancePtr = (void*)(nsISupports*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(nsITransactionListener::GetIID())) {
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*aInstancePtr = (void*)(nsITransactionListener*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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*aInstancePtr = 0;
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return NS_NOINTERFACE;
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}
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NS_IMETHODIMP
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nsJSTxnLog::WillDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel++);
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printf("WillDo: %s\n", GetString(aTransaction));
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::DidDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aDoResult)
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{
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LOCK_LOG(this);
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PrintIndent(--mIndentLevel);
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printf("DidDo: %s (%d)\n", GetString(aTransaction), aDoResult);
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::WillUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel++);
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if (aTransaction)
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printf("WillUndo: %s\n", GetString(aTransaction));
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else
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printf("WillUndoBatch\n");
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::DidUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aUndoResult)
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{
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LOCK_LOG(this);
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PrintIndent(--mIndentLevel);
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if (aTransaction)
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printf("DidUndo: %s (%d)\n", GetString(aTransaction), aUndoResult);
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else
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printf("EndUndoBatch (%d)\n", aUndoResult);
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::WillRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel++);
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if (aTransaction)
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printf("WillRedo: %s\n", GetString(aTransaction));
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else
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printf("WillRedoBatch\n");
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::DidRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aRedoResult)
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{
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LOCK_LOG(this);
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PrintIndent(--mIndentLevel);
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if (aTransaction)
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printf("DidRedo: %s (%d)\n", GetString(aTransaction), aRedoResult);
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else
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printf("DidRedoBatch (%d)\n", aRedoResult);
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::WillBeginBatch(nsITransactionManager *aTxMgr)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel);
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printf("WillBeginBatch: %d\n", mBatchCount);
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::DidBeginBatch(nsITransactionManager *aTxMgr, nsresult aResult)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel++);
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printf("DidBeginBatch: %d (%d)\n", mBatchCount++, aResult);
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::WillEndBatch(nsITransactionManager *aTxMgr)
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{
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LOCK_LOG(this);
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PrintIndent(--mIndentLevel);
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printf("WillEndBatch: %d\n", --mBatchCount);
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::DidEndBatch(nsITransactionManager *aTxMgr, nsresult aResult)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel);
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printf("DidEndBatch: %d (%d)\n", mBatchCount, aResult);
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::WillMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel);
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printf("WillMerge: %s <-- %s\n",
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GetString(aTopTransaction), GetString(aTransaction));
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UNLOCK_LOG(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSTxnLog::DidMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool aDidMerge, nsresult aMergeResult)
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{
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LOCK_LOG(this);
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PrintIndent(mIndentLevel);
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printf("DidMerge: %s <-- %s (%s, %d)\n",
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GetString(aTopTransaction), GetString(aTransaction),
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aDidMerge ? "TRUE" : "FALSE", aMergeResult);
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UNLOCK_LOG(this);
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return NS_OK;
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}
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const char *
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nsJSTxnLog::GetString(nsITransaction *aTransaction)
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{
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static char buf[256];
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nsString str = "";
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aTransaction->GetRedoString(&str);
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if (str.Length() == 0)
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str = "<NULL>";
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buf[0] = '\0';
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str.ToCString(buf, 256);
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return buf;
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}
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nsresult
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nsJSTxnLog::PrintIndent(PRInt32 aIndentLevel)
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{
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PRInt32 i;
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printf(" // ");
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for (i = 0; i < aIndentLevel; i++)
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printf(" ");
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return NS_OK;
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}
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71
editor/base/nsJSTxnLog.h
Normal file
71
editor/base/nsJSTxnLog.h
Normal file
@ -0,0 +1,71 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://wwwt.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsJSTxnLog_h__
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#define nsJSTxnLog_h__
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#include "nsITransaction.h"
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#include "nsITransactionManager.h"
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#include "nsITransactionListener.h"
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/** implementation of a transaction listener object.
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*
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*/
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class nsJSTxnLog : public nsITransactionListener
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{
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private:
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PRInt32 mIndentLevel;
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PRInt32 mBatchCount;
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public:
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/** The default constructor.
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*/
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nsJSTxnLog();
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/** The default destructor.
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*/
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virtual ~nsJSTxnLog();
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/* Macro for AddRef(), Release(), and QueryInterface() */
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NS_DECL_ISUPPORTS
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/* nsITransactionListener method implementations. */
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NS_IMETHOD WillDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction);
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NS_IMETHOD DidDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aDoResult);
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NS_IMETHOD WillUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction);
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NS_IMETHOD DidUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aUndoResult);
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NS_IMETHOD WillRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction);
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NS_IMETHOD DidRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aRedoResult);
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NS_IMETHOD WillBeginBatch(nsITransactionManager *aTxMgr);
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NS_IMETHOD DidBeginBatch(nsITransactionManager *aTxMgr, nsresult aResult);
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NS_IMETHOD WillEndBatch(nsITransactionManager *aTxMgr);
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NS_IMETHOD DidEndBatch(nsITransactionManager *aTxMgr, nsresult aResult);
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NS_IMETHOD WillMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction);
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NS_IMETHOD DidMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool aDidMerge, nsresult aMergeResult);
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private:
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/* nsJSTxnLog private methods. */
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const char *GetString(nsITransaction *aTransaction);
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nsresult PrintIndent(PRInt32 aIndentLevel);
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};
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#endif // nsJSTxnLog_h__
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