--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commonuis/CommonDialogs/src/CAknCommonDialogsQueryDialog.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,233 @@
+/*
+* Copyright (c) 2002-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  ?Description
+*
+*/
+
+
+// INCLUDES
+#include "CAknCommonDialogsQueryDialog.h"
+
+#include <apparc.h>
+#include <aknnotewrappers.h>
+#include <bautils.h>
+#include <StringLoader.h>
+#include <commondialogs.rsg>
+#include <aknQueryControl.h>
+
+#include <AknTasHook.h> // for testability hooks
+#include "MAknFileSelectionObserver.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CAknCommonDialogsQueryDialog
+//
+//
+// -----------------------------------------------------------------------------
+//
+CAknCommonDialogsQueryDialog::CAknCommonDialogsQueryDialog(
+	MAknFileSelectionObserver* aObserver,
+	const TDesC& aPath,
+	TDes& aDataText,
+	const TDesC& aExtension,
+	CCoeEnv* aCoeEnv )
+	:	CAknTextQueryDialog( aDataText ),
+		iPath( aPath ),
+		iExtension( aExtension ),
+		iObserver( aObserver ),
+		iCoeEnv( aCoeEnv )
+	{
+	AKNTASHOOK_ADD( this, "CAknCommonDialogsQueryDialog" );
+	}
+
+// Destructor
+CAknCommonDialogsQueryDialog::~CAknCommonDialogsQueryDialog()
+	{
+	AKNTASHOOK_REMOVE();
+	}
+
+
+// -----------------------------------------------------------------------------
+// CAknCommonDialogsQueryDialog::OkToExitL
+//
+//
+// -----------------------------------------------------------------------------
+//
+TBool CAknCommonDialogsQueryDialog::OkToExitL( TInt aButtonId )
+	{
+	// Call OkToExitL of the base class
+	TBool returnValue( CAknTextQueryDialog::OkToExitL( aButtonId ) );
+
+	if( returnValue )
+		{
+		// User wants to go with the typed filename
+
+        TBool userCancelled( EFalse );
+		if( !FileNameAllowedL( iPath, iDataText, iExtension, userCancelled ) )
+			{
+            // If user cancelled the "rename" query, this dialog must exit,
+            // so return ETrue, but clear the given name first:
+            if( userCancelled )
+                {
+                iDataText.Zero();
+                return ETrue;
+                }
+			// Otherwise if the name is not allowed, it is not Ok to exit.
+            // CAknQueryControl::SetTextL() is used here to get the
+            // user-written text selected:
+            CAknQueryControl* queryCtrl = QueryControl();
+            queryCtrl->SetTextL( iDataText );
+			return EFalse;
+			}
+
+		// Filename is valid, ask observer's opinion too.
+
+		if( iObserver )
+			{
+			TEntry entry;
+			entry.iName = iDataText;
+			if( !iObserver->OkToExitL( iPath, entry ) )
+				{
+				// Observer doesn't think the file is Ok, don't exit. But first,
+                // make the user-written text selected:
+                CAknQueryControl* queryCtrl = QueryControl();
+                queryCtrl->SetTextL( iDataText );
+				return EFalse;
+				}
+			}
+		}
+	return returnValue;
+	}
+
+// -----------------------------------------------------------------------------
+// CAknCommonDialogsQueryDialog::FileNameAllowedL
+//
+//
+// -----------------------------------------------------------------------------
+//
+TBool CAknCommonDialogsQueryDialog::FileNameAllowedL(
+	const TDesC& aPath, const TDesC& aFileName, const TDesC& aExtension,
+    TBool& aUserCancelled )
+	{
+	// Create a TFileName descriptor and set full path and filename to it
+	TFileName fileName( aPath );
+	fileName += aFileName;
+	fileName += aExtension;
+	// Create a TParsePtrC with the full path and filename, parsed filename points
+	// its data to the created TFileName
+	TParsePtrC parsedFile( fileName );
+	// Temporary descriptor pointer
+	TPtrC temp( parsedFile.Name() );
+
+	RFs fs( iCoeEnv->FsSession() );
+	TBool badFileName( EFalse );
+	TBool illegalCharacters( EFalse );
+	_LIT( KSingleDotCharacter, "."  );
+	_LIT( KDualDotCharacter,   ".." );
+	_LIT( KCarriageReturn, "\x2029" );
+	
+	if( ( temp.Compare( KSingleDotCharacter ) == 0 ) ||
+		( temp.Compare( KDualDotCharacter   ) == 0 ) ||
+		( aFileName.Find( KCarriageReturn ) != KErrNotFound ) ||
+        ( ( aFileName.Compare( KSingleDotCharacter ) == 0 ) && 
+          ( aExtension.Compare( KNullDesC ) == 0 ) ) )
+		{
+		// If filename consists only of "." or ".." it is BAD file name
+		badFileName= ETrue;
+		}
+	else
+		{
+		// Also RFs::IsValidName tells efficiently if the filename is ok.
+		// Get the name and extension for next check
+		temp.Set( parsedFile.FullName() );
+		illegalCharacters = !fs.IsValidName( temp );
+        
+        // RFs::IsValidName does not check if filename includes '\' and mirror '?'       
+        TChar backslash( '\\' );
+        _LIT( KMirrorQuestion, "\x061F" );
+        if (( aFileName.Locate( backslash ) != KErrNotFound ) || 
+            ( aFileName.Find( KMirrorQuestion ) != KErrNotFound ) )
+            {
+            illegalCharacters = ETrue;
+            }
+		}
+
+	if( badFileName || illegalCharacters )
+		{
+		// Depending on the error, read loc string
+		HBufC* text = iCoeEnv->AllocReadResourceLC( badFileName ?
+			R_CFD_QTN_FLDR_BAD_FILE_NAME : R_CFD_QTN_FLDR_ILLEGAL_CHARACTERS );
+		CAknErrorNote* note = new( ELeave ) CAknErrorNote( EFalse ); 
+		note->ExecuteLD( *text );
+		CleanupStack::PopAndDestroy(); // text
+		return EFalse;
+		}
+
+	// the filename is valid
+
+	// Get the full filename and path for FileExists check
+	temp.Set( parsedFile.FullName() );
+	if( !BaflUtils::FileExists( fs, temp ) )
+		{
+		// If the file does not exist, accept it
+		return ETrue;
+		}
+
+    // The file already exists
+    // Check if it's a folder (it cannot be overwritten).
+    TBool overwriteNotAllowed( EFalse );
+    User::LeaveIfError( BaflUtils:: IsFolder( fs, temp, overwriteNotAllowed ) );
+	temp.Set( parsedFile.Name() );
+
+	CAknQueryDialog* dialog = new( ELeave ) CAknQueryDialog();
+	dialog->PrepareLC( R_CFD_CONFIRMATION_QUERY );
+	HBufC* confirmationText = NULL;
+    if( overwriteNotAllowed )
+        {
+        confirmationText = StringLoader::LoadLC(     // "Name %U already in use.
+                R_CFD_QTN_FLDR_RENAME_QUERY, temp ); // Rename?"
+        }
+    else
+        {
+        confirmationText = StringLoader::LoadLC(        // "%U already exists!
+                R_CFD_QTN_FLDR_OVERWRITE_QUERY, temp ); // Overwrite?"
+        }
+	dialog->SetPromptL( *confirmationText );
+	CleanupStack::PopAndDestroy(); // confirmationText
+	TInt result( dialog->RunLD() );
+
+	if( ( result == EAknSoftkeyYes ) || ( result == EAknSoftkeyOk ) )
+		{
+		// User accepted overwrite or OK'ed the rename query:
+		return !overwriteNotAllowed;
+		}
+
+	// User answered "No", if it was rename query, this dialog must be exited:
+    if ( overwriteNotAllowed )
+        {
+        aUserCancelled = ETrue;
+        return EFalse;
+        }
+
+    // User didnt' accept overwrite, ask a new name from user.
+
+	HBufC* renamePrompt = iCoeEnv->AllocReadResourceLC( R_CFD_QTN_FLDR_ITEM_NAME_PRMPT ); // "New name:"
+	SetPromptL( *renamePrompt );
+	CleanupStack::PopAndDestroy(); // renamePrompt
+
+	return EFalse;
+	}
+
+// End of File