gecko-dev/editor/base/nsEditorTxnLog.cpp
kin%netscape.com ef66dcd123 TransactionManager fix for bug #11590: eliminate NS_COMFALSE
Modified all nsITransactionListener::Will* methods and implementations
to use an aInterrupt argument.

    mozilla/editor/base/nsEditorTxnLog.cpp
    mozilla/editor/base/nsEditorTxnLog.h
    mozilla/editor/txmgr/public/nsITransactionListener.h
    mozilla/editor/txmgr/src/nsTransactionItem.cpp
    mozilla/editor/txmgr/src/nsTransactionManager.cpp
    mozilla/editor/txmgr/src/nsTransactionManager.h

r=brade@netscape.com
1999-11-11 19:35:40 +00:00

431 lines
8.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include <stdio.h>
#include "nsHTMLEditorLog.h"
#include "nsEditorTxnLog.h"
#define LOCK_LOG(doc)
#define UNLOCK_LOG(doc)
#define MAX_BUF_LENGTH 256
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
nsEditorTxnLog::nsEditorTxnLog(nsHTMLEditorLog *aEditorLog)
{
mRefCnt = 0;
mIndentLevel = 0;
mBatchCount = 0;
mEditorLog = aEditorLog;
}
nsEditorTxnLog::~nsEditorTxnLog()
{
}
// #define DEBUG_EDITOR_TXN_LOG_REFCNT 1
#ifdef DEBUG_EDITOR_TXN_LOG_REFCNT
nsrefcnt nsEditorTxnLog::AddRef(void)
{
return ++mRefCnt;
}
nsrefcnt nsEditorTxnLog::Release(void)
{
NS_PRECONDITION(0 != mRefCnt, "dup release");
if (--mRefCnt == 0) {
NS_DELETEXPCOM(this);
return 0;
}
return mRefCnt;
}
#else
NS_IMPL_ADDREF(nsEditorTxnLog)
NS_IMPL_RELEASE(nsEditorTxnLog)
#endif
NS_IMETHODIMP
nsEditorTxnLog::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
if (nsnull == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*)(nsISupports*)this;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(nsITransactionListener::GetIID())) {
*aInstancePtr = (void*)(nsITransactionListener*)this;
NS_ADDREF_THIS();
return NS_OK;
}
*aInstancePtr = 0;
return NS_NOINTERFACE;
}
NS_IMETHODIMP
nsEditorTxnLog::WillDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt)
{
LOCK_LOG(this);
char buf[MAX_BUF_LENGTH];
PrintIndent(mIndentLevel++);
Write("WillDo: ");
Write(GetString(aTransaction, buf, MAX_BUF_LENGTH));
Write("\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::DidDo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aDoResult)
{
LOCK_LOG(this);
char buf[MAX_BUF_LENGTH];
PrintIndent(--mIndentLevel);
Write("DidDo: ");
Write(GetString(aTransaction, buf, MAX_BUF_LENGTH));
Write("(");
WriteInt("%d", aDoResult);
Write(")\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::WillUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt)
{
LOCK_LOG(this);
PrintIndent(mIndentLevel++);
if (aTransaction)
{
char buf[MAX_BUF_LENGTH];
Write("WillUndo: ");
Write(GetString(aTransaction, buf, MAX_BUF_LENGTH));
Write("\n");
}
else
Write("WillUndoBatch\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::DidUndo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aUndoResult)
{
LOCK_LOG(this);
PrintIndent(--mIndentLevel);
if (aTransaction)
{
char buf[MAX_BUF_LENGTH];
Write("DidUndo: ");
Write(GetString(aTransaction, buf, MAX_BUF_LENGTH));
Write("(");
WriteInt("%d", aUndoResult);
Write(")\n");
}
else
{
Write("EndUndoBatch (");
WriteInt("%d", aUndoResult);
Write(")\n");
}
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::WillRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, PRBool *aInterrupt)
{
LOCK_LOG(this);
PrintIndent(mIndentLevel++);
if (aTransaction)
{
char buf[MAX_BUF_LENGTH];
Write("WillRedo: ");
Write(GetString(aTransaction, buf, MAX_BUF_LENGTH));
Write("\n");
}
else
Write("WillRedoBatch\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::DidRedo(nsITransactionManager *aTxMgr, nsITransaction *aTransaction, nsresult aRedoResult)
{
LOCK_LOG(this);
PrintIndent(--mIndentLevel);
if (aTransaction)
{
char buf[MAX_BUF_LENGTH];
Write("DidRedo: ");
Write(GetString(aTransaction, buf, MAX_BUF_LENGTH));
Write(" (");
WriteInt("%d", aRedoResult);
Write(")\n");
}
else
{
Write("DidRedoBatch (");
WriteInt("%d", aRedoResult);
Write(")\n");
}
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::WillBeginBatch(nsITransactionManager *aTxMgr, PRBool *aInterrupt)
{
LOCK_LOG(this);
PrintIndent(mIndentLevel);
Write("WillBeginBatch: ");
WriteInt("%d", mBatchCount);
Write("\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::DidBeginBatch(nsITransactionManager *aTxMgr, nsresult aResult)
{
LOCK_LOG(this);
PrintIndent(mIndentLevel++);
Write("DidBeginBatch: ");
WriteInt("%d", mBatchCount++);
Write(" (");
WriteInt("%d", aResult);
Write(")\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::WillEndBatch(nsITransactionManager *aTxMgr, PRBool *aInterrupt)
{
LOCK_LOG(this);
PrintIndent(--mIndentLevel);
Write("WillEndBatch: ");
WriteInt("%d", --mBatchCount);
Write("\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::DidEndBatch(nsITransactionManager *aTxMgr, nsresult aResult)
{
LOCK_LOG(this);
PrintIndent(mIndentLevel);
Write("DidEndBatch: ");
WriteInt("%d", mBatchCount);
Write(" (");
WriteInt("%d", aResult);
Write(")\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::WillMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool *aInterrupt)
{
LOCK_LOG(this);
char buf[MAX_BUF_LENGTH];
PrintIndent(mIndentLevel);
Write("WillMerge: ");
Write(GetString(aTopTransaction, buf, MAX_BUF_LENGTH));
Write(" <-- ");
Write(GetString(aTransaction, buf, MAX_BUF_LENGTH));
Write("\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
NS_IMETHODIMP
nsEditorTxnLog::DidMerge(nsITransactionManager *aTxMgr, nsITransaction *aTopTransaction, nsITransaction *aTransaction, PRBool aDidMerge, nsresult aMergeResult)
{
LOCK_LOG(this);
char buf[MAX_BUF_LENGTH];
PrintIndent(mIndentLevel);
Write("DidMerge: ");
Write(GetString(aTopTransaction, buf, MAX_BUF_LENGTH));
Write(" <-- ");
Write(GetString(aTransaction, buf, MAX_BUF_LENGTH));
Write(" (");
Write(aDidMerge ? "TRUE" : "FALSE");
Write(", ");
WriteInt("%d", aMergeResult);
Write(")\n");
Flush();
UNLOCK_LOG(this);
return NS_OK;
}
const char *
nsEditorTxnLog::GetString(nsITransaction *aTransaction, char *aBuffer, PRInt32 aBufferLength)
{
if (!aBuffer || aBufferLength < 1)
return 0;
aBuffer[0] = '\0';
nsString str = "";
aTransaction->GetRedoString(&str);
if (str.Length() == 0)
str = "<NULL>";
str.ToCString(aBuffer, aBufferLength);
aBuffer[aBufferLength - 1] = '\0';
return aBuffer;
}
nsresult
nsEditorTxnLog::PrintIndent(PRInt32 aIndentLevel)
{
PRInt32 i;
Write(" // ");
for (i = 0; i < aIndentLevel; i++)
Write(" ");
return NS_OK;
}
nsresult
nsEditorTxnLog::Write(const char *aBuffer)
{
if (!aBuffer)
return NS_ERROR_NULL_POINTER;
if (mEditorLog)
mEditorLog->Write(aBuffer);
else
printf(aBuffer);
return NS_OK;
}
nsresult
nsEditorTxnLog::WriteInt(const char *aFormat, PRInt32 aInt)
{
if (!aFormat)
return NS_ERROR_NULL_POINTER;
if (mEditorLog)
mEditorLog->WriteInt(aFormat, aInt);
else
printf(aFormat, aInt);
return NS_OK;
}
nsresult
nsEditorTxnLog::Flush()
{
nsresult result = NS_OK;
#ifdef SLOWS_THINGS_WAY_DOWN
if (mEditorLog)
result = mEditorLog->Flush();
else
fflush(stdout);
#endif // SLOWS_THINGS_WAY_DOWN
return result;
}