--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobilemessaging/unieditor/application/src/UniEditorChangeSlideOperation.cpp	Wed Nov 03 09:52:46 2010 +0530
@@ -0,0 +1,282 @@
+/*
+* Copyright (c) 2006,2007 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:  UniEditorChangeSlideOperation implementation
+*
+*/
+
+
+
+// ========== INCLUDE FILES ================================
+#include <MuiuMsvUiServiceUtilities.h>
+
+#include <MsgEditorView.h>
+
+#include "UniClientMtm.h"
+
+#include <UniEditor.rsg>
+
+#include <unidatautils.h>
+#include <unismilmodel.h>
+#include <unislideloader.h>
+#include <unitextobject.h>
+
+#include "UniEditorHeader.h"
+#include "UniEditorChangeSlideOperation.h"
+#include "UniEditorEnum.h"
+
+// ========== EXTERNAL DATA STRUCTURES =====================
+
+// ========== EXTERNAL FUNCTION PROTOTYPES =================
+
+// ========== CONSTANTS ====================================
+
+// ========== MACROS =======================================
+
+// ========== LOCAL CONSTANTS AND MACROS ===================
+
+// ========== MODULE DATA STRUCTURES =======================
+
+// ========== LOCAL FUNCTION PROTOTYPES ====================
+
+// ========== LOCAL FUNCTIONS ==============================
+
+// ========== MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::NewL
+//
+// Factory method.
+// ---------------------------------------------------------
+//
+CUniEditorChangeSlideOperation* CUniEditorChangeSlideOperation::NewL( 
+        MUniEditorOperationObserver& aOperationObserver,
+        CUniEditorDocument& aDocument,
+        CUniEditorHeader& aHeader,
+        CUniSlideLoader& aSlideLoader,
+        CMsgEditorView& aView,
+        RFs& aFs )
+    {
+    CUniEditorChangeSlideOperation* self = 
+            new ( ELeave ) CUniEditorChangeSlideOperation( aOperationObserver, 
+                                                           aDocument, 
+                                                           aHeader, 
+                                                           aSlideLoader, 
+                                                           aView, 
+                                                           aFs );
+        
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    
+    return self;
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::CUniEditorChangeSlideOperation
+//
+// Constructor.
+// ---------------------------------------------------------
+//
+CUniEditorChangeSlideOperation::CUniEditorChangeSlideOperation(
+        MUniEditorOperationObserver& aOperationObserver,
+        CUniEditorDocument& aDocument,
+        CUniEditorHeader& aHeader,
+        CUniSlideLoader& aSlideLoader,
+        CMsgEditorView& aView,
+        RFs& aFs ) :
+    CUniEditorOperation( aOperationObserver, aDocument, aFs, EUniEditorOperationChangeSlide ),
+    iHeader( aHeader ),
+    iSlideLoader( aSlideLoader ),
+    iView( aView )
+    {
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::ConstructL
+//
+// 2nd phase constructor.
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::ConstructL()
+    {
+    BaseConstructL();
+    iSaveOperation = CUniEditorSaveOperation::NewL( *this, iDocument, iHeader, iView, iFs );
+    }
+
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::~CUniEditorChangeSlideOperation
+// ---------------------------------------------------------
+//
+CUniEditorChangeSlideOperation::~CUniEditorChangeSlideOperation()
+    {
+    Cancel();
+    delete iSaveOperation;
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::ChangeSlide
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::ChangeSlide( TInt aNextNum )
+    {
+    ResetErrors();
+    
+    iNextNum = aNextNum;
+    iOperationState = EUniEditorChangeSlideSave;
+    
+    CompleteSelf( KErrNone );
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::DoChangeSlideStepL
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::DoChangeSlideStepL()
+    {
+    switch ( iOperationState )
+        {
+        case EUniEditorChangeSlideSave:
+            {
+            DoSaveL();
+            break;
+            }
+        case EUniEditorChangeSlideLoad:
+            {
+            DoLoadL();
+            break;
+            }
+        case EUniEditorChangeSlideFinalize:
+            {
+            DoFinalizeL();
+            break;
+            }
+        case EUniEditorChangeSlideEnd:
+            {
+            iObserver.EditorOperationEvent( EUniEditorOperationChangeSlide,
+                                            EUniEditorOperationComplete );
+            break;
+            }
+        default:
+            {
+            SetErrorAndReport( KErrUnknown );
+            break;
+            }
+        }
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::DoLoadL
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::DoLoadL()
+    {
+    iSlideLoader.ResetViewL();
+    
+    iSlideLoader.LoadSlideL( *this, iNextNum );    
+    SetPending();
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::DoSaveL
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::DoSaveL()
+    {
+    iSaveOperation->Save( ERegularSave );
+    SetPending();
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::DoFinalizeL
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::DoFinalizeL()
+    {
+    // Moved to iSlideLoader.ResetViewL(), because sometimes removing
+    // causes new calculation of message size, which requires existence of
+    // text control, but it was already removed in ResetViewL()
+    iView.SetScrollParts( iDocument.DataModel()->SmilModel().SlideCount() );
+    iView.SetCurrentPart( iNextNum );
+    iDocument.SetCurrentSlide( iNextNum );
+
+    if ( iNextNum )
+        {
+        iHeader.RemoveFromViewL();
+        }
+    else
+        {
+        iHeader.AddToViewL();
+        }
+
+    iOperationState = EUniEditorChangeSlideEnd;
+    CompleteSelf( KErrNone );
+    }
+    
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::DoCancelCleanup
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::DoCancelCleanup()
+    {
+    if ( iSaveOperation )
+        {
+        iSaveOperation->Cancel();
+        }
+        
+    iSlideLoader.Cancel();
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::RunL
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::RunL()
+    {
+    PrintOperationAndState();
+    if ( !SetErrorAndReport( iStatus.Int() ) )
+        {
+        DoChangeSlideStepL();
+        }
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::HandleOperationEvent
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::HandleOperationEvent( TUniEditorOperationType /*aOperation*/,
+                                                           TUniEditorOperationEvent /*aEvent*/ )
+    {
+    CMDXMLDocument* dom = iSaveOperation->DetachDom();
+    if ( dom )
+        {
+        iDocument.DataModel()->SetDom( dom );
+        }
+    
+    iOperationState = EUniEditorChangeSlideLoad;  
+    CompleteOperation( KErrNone );
+    }
+
+// ---------------------------------------------------------
+// CUniEditorChangeSlideOperation::SlideLoadReady
+// ---------------------------------------------------------
+//
+void CUniEditorChangeSlideOperation::SlideLoadReady( TInt aError )
+    {
+    iOperationState = EUniEditorChangeSlideFinalize;
+    CompleteOperation( aError );
+    }
+
+
+// EOF