зеркало из https://github.com/mozilla/gecko-dev.git
139 строки
3.1 KiB
C++
139 строки
3.1 KiB
C++
/* -*- 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "IMECommitTxn.h"
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#include "nsEditor.h"
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// #define DEBUG_IME
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nsIAtom *IMECommitTxn::gIMECommitTxnName = nsnull;
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nsresult IMECommitTxn::ClassInit()
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{
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if (nsnull==gIMECommitTxnName)
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gIMECommitTxnName = NS_NewAtom("NS_IMECommitTxn");
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return NS_OK;
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}
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nsresult IMECommitTxn::ClassShutdown()
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{
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NS_IF_RELEASE(gIMECommitTxnName);
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return NS_OK;
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}
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IMECommitTxn::IMECommitTxn()
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: EditTxn()
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{
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SetTransactionDescriptionID( kTransactionID );
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/* log description initialized in parent constructor */
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}
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IMECommitTxn::~IMECommitTxn()
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{
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}
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NS_IMETHODIMP IMECommitTxn::Init(void)
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{
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return NS_OK;
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}
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NS_IMETHODIMP IMECommitTxn::Do(void)
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{
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#ifdef DEBUG_IME
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printf("Do IME Commit");
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#endif
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return NS_OK;
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}
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NS_IMETHODIMP IMECommitTxn::Undo(void)
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{
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#ifdef DEBUG_IME
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printf("Undo IME Commit");
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#endif
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return NS_OK;
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}
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NS_IMETHODIMP IMECommitTxn::Merge(PRBool *aDidMerge, nsITransaction *aTransaction)
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{
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#ifdef DEBUG_IME
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printf("Merge IME Commit");
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#endif
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NS_ASSERTION(aDidMerge, "null ptr- aDidMerge");
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NS_ASSERTION(aTransaction, "null ptr- aTransaction");
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if((nsnull == aDidMerge) || (nsnull == aTransaction))
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return NS_ERROR_NULL_POINTER;
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*aDidMerge=PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP IMECommitTxn::Write(nsIOutputStream *aOutputStream)
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{
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NS_ASSERTION(aOutputStream, "null ptr- aOutputStream");
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if(nsnull == aOutputStream)
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return NS_ERROR_NULL_POINTER;
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else
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return NS_OK;
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}
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NS_IMETHODIMP IMECommitTxn::GetUndoString(nsString *aString)
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{
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NS_ASSERTION(aString, "null ptr- aString");
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if(nsnull == aString) {
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return NS_ERROR_NULL_POINTER;
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} else {
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*aString="Remove IMECommit: ";
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return NS_OK;
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}
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}
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NS_IMETHODIMP IMECommitTxn::GetRedoString(nsString *aString)
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{
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NS_ASSERTION(aString, "null ptr- aString");
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if(nsnull == aString) {
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return NS_ERROR_NULL_POINTER;
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} else {
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*aString="Insert IMECommit: ";
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return NS_OK;
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}
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}
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/* ============= nsISupports implementation ====================== */
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NS_IMETHODIMP
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IMECommitTxn::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(IMECommitTxn::GetCID())) {
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*aInstancePtr = (void*)(IMECommitTxn*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return (EditTxn::QueryInterface(aIID, aInstancePtr));
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}
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