diff -r 000000000000 -r dd21522fd290 webengine/widgetbackuprestore/Src/WidgetActiveCallback.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/widgetbackuprestore/Src/WidgetActiveCallback.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,349 @@
+/*
+* 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 <abclient.h>
+#include <bautils.h>
+
+#include "WidgetActiveCallback.h"
+#include "WidgetInstaller.h"
+
+//  CONSTANTS
+_LIT(KWidgetUiPath, "\\private\\10282822\\");
+_LIT(KWidgetBURTempPath, "WidgetBURTemp\\");
+_LIT(KWidgetBURDummy, "dummy data for backup");
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CWidgetActiveCallback* CWidgetActiveCallback::NewL()
+    {
+    CWidgetActiveCallback* self =
+        new( ELeave ) CWidgetActiveCallback();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CWidgetActiveCallback::~CWidgetActiveCallback()
+    {
+    delete iPathBUR;
+    iFs.Close();
+#ifdef _DEBUG
+    iFileLogger.Close();
+#endif
+   }
+
+// ---------------------------------------------------------
+// CWidgetActiveCallback::CleanupBackupDataL
+//
+// Cleaning for passive backup: move private area from widgetBackupRestore back to widgetUI.
+// ---------------------------------------------------------
+// 
+void CWidgetActiveCallback::CleanupBackupDataL()
+    {
+    CFileMan* fileManager = CFileMan::NewL( iFs );
+    CleanupStack::PushL( fileManager );
+
+    // Move widget data from BUR path back to widgetUI
+    User::LeaveIfError( fileManager->Move( *iPathBUR, KWidgetUiPath, CFileMan::ERecurse ) );
+    // Remove the temp folder for BUR
+    User::LeaveIfError( fileManager->RmDir( *iPathBUR ) );
+
+    CleanupStack::PopAndDestroy();  // fileMananger
+    }
+
+// ---------------------------------------------------------------------------
+// Inform that all data has been backed up or restored.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::AllSnapshotsSuppliedL()
+    {
+    // Finalize and cleanup.
+    return;
+    }
+
+// ---------------------------------------------------------------------------
+// Not supported.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::ReceiveSnapshotDataL(
+    TDriveNumber /*aDrive*/, TDesC8& /*aBuffer*/, TBool /*aLastSection*/)
+    {
+    User::Leave( KErrNotSupported );
+    }
+
+// ---------------------------------------------------------------------------
+// Make a guess about data size.
+// ---------------------------------------------------------------------------
+//
+TUint CWidgetActiveCallback::GetExpectedDataSize(
+    TDriveNumber /*aDrive*/)
+    {
+    // we have no idea at this point - we even don't know what is to be
+    // backed up yet
+    return 0;
+    }
+
+// ---------------------------------------------------------------------------
+// Not supported.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::GetSnapshotDataL(
+    TDriveNumber /*aDrive*/, TPtr8& /*aBuffer*/, TBool& /*aFinished*/)
+    {
+    User::Leave( KErrNotSupported );
+    }
+
+// ---------------------------------------------------------------------------
+// Initialize for backup.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::InitialiseGetBackupDataL(
+    TDriveNumber /*aDrive*/)
+    {
+    // create pathBUR and put data for passive backup in it
+    PrepareBackupDataL();
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::GetBackupDataSectionL(
+    TPtr8& aBuffer, TBool& aFinished)
+    {
+    // Make sure that the buffer is empty and starts from the beginning
+    aBuffer.SetLength(0);
+    // Set dummy data
+    aBuffer.Append( KWidgetBURDummy );
+
+    aFinished = ETrue;
+    }
+
+// ---------------------------------------------------------------------------
+// Initialize restore.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::InitialiseRestoreBaseDataL(
+    TDriveNumber /*aDrive*/ )
+    {
+    return;
+    }
+
+// ---------------------------------------------------------------------------
+// Run state machine for restore. Receive stream from BUR engine and turn it
+// to file(s).
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::RestoreBaseDataSectionL(
+    TDesC8& /*aBuffer*/, TBool aFinished )
+    {
+    if( aFinished )
+        {
+        // If the temp folder for BUR exists, install widgets
+        if ( BaflUtils::FolderExists( iFs, *iPathBUR ) )
+            {
+            InstallL();
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Incremental restoration is not supported.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::InitialiseRestoreIncrementDataL(
+    TDriveNumber /*aDrive*/)
+    {
+    User::Leave( KErrNotSupported );
+    }
+
+// ---------------------------------------------------------------------------
+// Incremental restoration is not supported.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::RestoreIncrementDataSectionL(
+    TDesC8& /*aBuffer*/, TBool /*aFinished*/)
+    {
+    User::Leave( KErrNotSupported );
+    }
+
+// ---------------------------------------------------------------------------
+// Called when restore is complete - sets data back to initial state.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::RestoreComplete(TDriveNumber /*aDrive*/)
+    {
+    return;
+    }
+
+// ---------------------------------------------------------------------------
+// Tidy up when operation is over.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::TerminateMultiStageOperation()
+    {
+    return;
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TUint CWidgetActiveCallback::GetDataChecksum(TDriveNumber /*aDrive*/)
+    {
+    // not required - not implemented
+    return 0;
+    }
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CWidgetActiveCallback::CWidgetActiveCallback()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// 2nd phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::ConstructL()
+    {
+#ifdef _DEBUG
+    _LIT(KDir, "WidgetBUR");
+    _LIT(KFile, "WidgetBURCallback.log");
+    TInt err( 0 );
+
+    err = iFileLogger.Connect();
+    if ( err == KErrNone )
+        {
+        iFileLogger.CreateLog( KDir(), KFile(), EFileLoggingModeOverwrite );
+        iCanLog = ETrue;
+        }
+#endif
+    // Get the path to the default folder.
+    TFileName  path;
+    User::LeaveIfError( iFs.Connect() );
+    iFs.PrivatePath( path );
+
+    // Test whether or not the private area is present on C:.
+    // If it is missing, create it.
+    if ( !BaflUtils::FolderExists( iFs, path ) )
+        {
+        User::LeaveIfError( iFs.CreatePrivatePath(EDriveC) );
+        }
+
+    // The temp path for BUR
+    iPathBUR = HBufC16::NewL( path.Length() + KWidgetBURTempPath().Length() );
+    iPathBUR->Des().Copy( path );
+    iPathBUR->Des().Append( KWidgetBURTempPath );
+    }
+
+// ---------------------------------------------------------------------------
+// CWidgetActiveCallback::PrepareBackupDataL()
+//
+// Preparing for passive backup: move private area from widgetUI to widgetBackupRestore.
+// ---------------------------------------------------------------------------
+//
+void CWidgetActiveCallback::PrepareBackupDataL()
+    {
+    User::LeaveIfError( iFs.MkDir( *iPathBUR ) );
+
+    // Move widget data to BUR path
+    CFileMan* fileManager = CFileMan::NewL( iFs );
+    CleanupStack::PushL( fileManager );
+    User::LeaveIfError( fileManager->Move( KWidgetUiPath, *iPathBUR, CFileMan::ERecurse ) );
+    CleanupStack::PopAndDestroy();  // fileMananger
+    }
+
+// ============================================================================
+// CWidgetActiveCallback::InstallL
+// Perform installation.
+// (other items were commented in a header).
+//
+// @since 3.2
+// ============================================================================
+//
+void CWidgetActiveCallback::InstallL()
+    {
+    CDir* dir = NULL;
+
+    if ( iFs.GetDir( *iPathBUR, KEntryAttMatchMask, EDirsFirst, dir ) == KErrNone )
+        {
+        CleanupStack::PushL(dir);
+        
+        CWidgetInstaller* installer = NULL;
+        TRAPD( err , installer = CWidgetInstaller::NewL() );
+        User::LeaveIfError( err );
+        if ( !installer )
+            {
+            User::Leave( KErrGeneral );
+            }
+
+        for (TInt i=0; i<dir->Count(); i++)
+            {
+            const TEntry& fileEntry = (*dir)[i];
+            
+            // check for directory entries, i.e. "com.yahoo.local.widget.traffic"
+            if (fileEntry.IsDir())
+                {
+                // e.g.  restorePath = "\private\[WidgetBackupRestoreUid]\WidgetBURTemp\com.yahoo.local.widget.traffic"
+                TFileName restorePath( *iPathBUR );
+                restorePath.Append(fileEntry.iName);
+
+                // installer will move the restorePath to widgetUI private area
+                TRAPD( err, installer->InstallL( restorePath ) );
+                if ( err )
+                    {
+                    installer->RunError( err );
+                    if ( err == KErrNoMemory || err == KErrDiskFull )
+                        {
+                        User::Leave( err );
+                        }               
+                    }
+                } // end of if (fileEntry
+            else
+                {
+                // only care about dir
+                break;
+                }
+            }  // end of for (
+
+        delete installer;
+        
+        CleanupStack::PopAndDestroy();  // dir
+
+        // Remove the temp folder for BUR
+        CFileMan* fileManager = CFileMan::NewL( iFs );
+        CleanupStack::PushL( fileManager );
+        User::LeaveIfError( fileManager->RmDir( *iPathBUR ) );
+        CleanupStack::PopAndDestroy();  // fileManager
+        }  // end of if ( iFs.GetDir
+    }
+    
+// End of file