--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreenapp/runtimeplugins/hsdefaultruntimeplugin/src/hsbackuprestoreactivecallback.cpp	Fri May 14 15:43:04 2010 +0300
@@ -0,0 +1,253 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  Widget's active callback in WidgetBackupRestore.
+*
+*/
+
+
+// INCLUDE FILES
+#include <bautils.h>
+
+#include "hsbackuprestoreactivecallback.h"
+#include "hsdatabase.h"
+
+//  CONSTANTS
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CHsBRActiveCallback* CHsBRActiveCallback::NewL()
+{
+    CHsBRActiveCallback* self =
+        new( ELeave ) CHsBRActiveCallback();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+}
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CHsBRActiveCallback::~CHsBRActiveCallback()
+{
+}
+
+// ---------------------------------------------------------------------------
+// Backup or restore has been finished.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::FinishBackupRestore()
+{
+	// allow database usage
+	OpenDataBaseConnection();
+	// TODO: Load widgets
+}
+
+// ---------------------------------------------------------------------------
+// Backup or restore has been started.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::StartRestore()
+{
+	// allow database usage
+	CloseDataBaseConnection();
+	// TODO: Load widgets
+}
+
+// ---------------------------------------------------------------------------
+// Inform that all data has been backed up or restored.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::AllSnapshotsSuppliedL()
+{
+    // No implementation needed. Must not leave    
+}
+
+// ---------------------------------------------------------------------------
+// Not supported.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::ReceiveSnapshotDataL(
+    TDriveNumber /*aDrive*/, TDesC8& /*aBuffer*/, TBool /*aLastSection*/)
+{
+	// No implementation needed
+    User::Leave( KErrNotSupported );
+}
+
+// ---------------------------------------------------------------------------
+// Make a guess about data size.
+// ---------------------------------------------------------------------------
+//
+TUint CHsBRActiveCallback::GetExpectedDataSize(
+    TDriveNumber /*aDrive*/)
+{
+    // No implementation needed
+    return 0;
+}
+
+// ---------------------------------------------------------------------------
+// Not supported.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::GetSnapshotDataL(
+    TDriveNumber /*aDrive*/, TPtr8& /*aBuffer*/, TBool& /*aFinished*/)
+{
+    // No implementation needed
+    User::Leave( KErrNotSupported );
+}
+
+// ---------------------------------------------------------------------------
+// Initialize for backup.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::InitialiseGetBackupDataL(
+    TDriveNumber /*aDrive*/)
+{
+    // Prevent database usage
+    CloseDataBaseConnection();
+    // TODO: Unload widgets
+}
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::GetBackupDataSectionL(
+    TPtr8& /*aBuffer*/, TBool& aFinished)
+{
+    // No data for active backup
+    aFinished = ETrue;
+}
+
+// ---------------------------------------------------------------------------
+// Initialize restore.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::InitialiseRestoreBaseDataL(
+    TDriveNumber /*aDrive*/ )
+{
+    // No implementation needed
+    //User::Leave( KErrNotSupported );
+    CloseDataBaseConnection();
+}
+
+// ---------------------------------------------------------------------------
+// Run state machine for restore. Receive stream from BUR engine and turn it
+// to file(s).
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::RestoreBaseDataSectionL(
+    TDesC8& /*aBuffer*/, TBool /*aFinished*/ )
+{
+    // No implementation needed
+    CloseDataBaseConnection();
+}
+
+// ---------------------------------------------------------------------------
+// Incremental restoration is not supported.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::InitialiseRestoreIncrementDataL(
+    TDriveNumber /*aDrive*/)
+{
+    // No implementation needed
+    User::Leave( KErrNotSupported );
+}
+
+// ---------------------------------------------------------------------------
+// Incremental restoration is not supported.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::RestoreIncrementDataSectionL(
+    TDesC8& /*aBuffer*/, TBool /*aFinished*/)
+{
+    // No implementation needed
+    User::Leave( KErrNotSupported );
+}
+
+// ---------------------------------------------------------------------------
+// Called when restore is complete - sets data back to initial state.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::RestoreComplete(TDriveNumber /*aDrive*/)
+{
+    // No implementation needed
+}
+
+// ---------------------------------------------------------------------------
+// Tidy up when operation is over.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::TerminateMultiStageOperation()
+{
+    // No implementation needed
+}
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TUint CHsBRActiveCallback::GetDataChecksum(TDriveNumber /*aDrive*/)
+{
+    // No implementation needed
+    return 0;
+}
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CHsBRActiveCallback::CHsBRActiveCallback()
+{
+}
+
+// ---------------------------------------------------------------------------
+// 2nd phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::ConstructL()
+{
+}
+
+// ---------------------------------------------------------------------------
+// CHsBRActiveCallback::CloseDataBaseConnection()
+//
+// Close database connection.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::CloseDataBaseConnection()
+{
+    HsDatabase *db = HsDatabase::instance();
+    db->setDataBaseBlocked(true);
+    db->close();
+}
+
+// ---------------------------------------------------------------------------
+// CHsBRActiveCallback::OpenDataBaseConnection()
+//
+// Open database connection.
+// ---------------------------------------------------------------------------
+//
+void CHsBRActiveCallback::OpenDataBaseConnection()
+{
+    HsDatabase *db = HsDatabase::instance();
+    db->setDataBaseBlocked(false);
+    db->open();
+}   
+// End of file