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Mozilla/mozilla/xpfe/appshell/src/nsDialogParamBlock.cpp

142 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsIDialogParamBlock.h"
#include "nsString.h"
#include "nsXPComFactory.h"
class nsDialogParamBlock: public nsIDialogParamBlock
{
enum {kNumInts = 8, kNumStrings =12 };
public:
nsDialogParamBlock();
virtual ~nsDialogParamBlock();
NS_IMETHOD SetNumberStrings( PRInt32 inNumStrings );
NS_IMETHOD GetInt(PRInt32 inIndex, PRInt32 *_retval);
NS_IMETHOD SetInt(PRInt32 inIndex, PRInt32 inInt);
NS_IMETHOD GetString(PRInt32 inIndex, PRUnichar **_retval);
NS_IMETHOD SetString(PRInt32 inIndex, const PRUnichar *inString);
// COM
NS_DECL_ISUPPORTS
private:
nsresult InBounds( PRInt32 inIndex, PRInt32 inMax )
{
if ( inIndex >= 0 && inIndex< inMax )
return NS_OK;
else
return NS_ERROR_ILLEGAL_VALUE;
}
PRInt32 mInt[ kNumInts ];
PRInt32 mNumStrings;
nsString* mString;
};
nsDialogParamBlock::nsDialogParamBlock(): mNumStrings( 0 ), mString(NULL )
{
NS_INIT_REFCNT();
for( PRInt32 i =0; i< kNumInts; i++ )
mInt[ i ] = 0;
}
nsDialogParamBlock::~nsDialogParamBlock()
{
delete [] mString;
}
NS_IMETHODIMP nsDialogParamBlock::SetNumberStrings( PRInt32 inNumStrings )
{
if ( mString != NULL )
{
return NS_ERROR_ALREADY_INITIALIZED;
}
mString = new nsString[ inNumStrings ];
if ( !mString )
return NS_ERROR_OUT_OF_MEMORY;
mNumStrings = inNumStrings;
return NS_OK;
}
NS_IMETHODIMP nsDialogParamBlock::GetInt(PRInt32 inIndex, PRInt32 *_retval)
{
nsresult rv = InBounds( inIndex, kNumInts );
if ( rv == NS_OK )
*_retval = mInt[ inIndex ];
return rv;
}
NS_IMETHODIMP nsDialogParamBlock::SetInt(PRInt32 inIndex, PRInt32 inInt)
{
nsresult rv = InBounds( inIndex, kNumInts );
if ( rv == NS_OK )
mInt[ inIndex ]= inInt;
return rv;
}
NS_IMETHODIMP nsDialogParamBlock::GetString(PRInt32 inIndex, PRUnichar **_retval)
{
if ( mNumStrings == 0 )
SetNumberStrings( kNumStrings );
nsresult rv = InBounds( inIndex, mNumStrings );
if ( rv == NS_OK )
*_retval = mString[ inIndex ].ToNewUnicode();
return rv;
}
NS_IMETHODIMP nsDialogParamBlock::SetString(PRInt32 inIndex, const PRUnichar *inString)
{
if ( mNumStrings == 0 )
SetNumberStrings( kNumStrings );
nsresult rv = InBounds( inIndex, mNumStrings );
if ( rv == NS_OK )
mString[ inIndex ]= inString;
return rv;
}
static NS_DEFINE_IID(kIDialogParamBlock, nsIDialogParamBlock::GetIID() );
NS_IMPL_ADDREF(nsDialogParamBlock);
NS_IMPL_RELEASE(nsDialogParamBlock);
NS_IMPL_QUERY_INTERFACE(nsDialogParamBlock, kIDialogParamBlock);
// Entry point to create nsAppShellService factory instances...
NS_DEF_FACTORY(DialogParamBlock, nsDialogParamBlock)
nsresult NS_NewDialogParamBlockFactory(nsIFactory** aResult)
{
nsresult rv = NS_OK;
nsIFactory* inst;
inst = new nsDialogParamBlockFactory;
if (nsnull == inst)
{
rv = NS_ERROR_OUT_OF_MEMORY;
}
else
{
NS_ADDREF(inst);
}
*aResult = inst;
return rv;
}