diff -r 000000000000 -r 4e91876724a2 photosgallery/viewframework/views/viewbase/src/glxmskcontroller.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/views/viewbase/src/glxmskcontroller.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,343 @@
+/*
+* Copyright (c) 2008-2009 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:    Media item list observer interface 
+*
+*/
+
+
+
+
+#include "glxmskcontroller.h"
+#include <glxtracer.h>                         // For Logs
+#include <mglxmedialist.h>
+#include <glxlistviewplugin.rsg>
+#include "glxcommandhandlers.hrh"
+#include <avkon.rsg>
+#include <glxviewbase.rsg>
+#include <StringLoader.h>
+
+
+//----------------------------------------------------------------------------------
+// NewL
+//----------------------------------------------------------------------------------
+//
+CGlxMSKController* CGlxMSKController::NewL()
+    {
+    TRACER("CGlxToolbarController::NewL");
+    
+    CGlxMSKController *self = new( ELeave ) CGlxMSKController ();
+    return self;
+    }
+
+//----------------------------------------------------------------------------------
+// Default Constructor
+//----------------------------------------------------------------------------------
+//
+CGlxMSKController::CGlxMSKController()
+                    
+    {
+    TRACER("CGlxMSKController::CGlxMSKController");
+    iUiUtility = CGlxUiUtility::UtilityL();
+    }
+    
+//----------------------------------------------------------------------------------
+// AddToObserver
+//----------------------------------------------------------------------------------
+//
+void CGlxMSKController::AddToObserverL (MGlxMediaList& aList, CEikButtonGroupContainer* aCba)
+    {
+    TRACER("CGlxMSKController::AddToObserverL");
+
+    iCba = aCba;
+    iAttributeAvailable = EFalse;
+    aList.AddMediaListObserverL ( this );
+    }
+
+//----------------------------------------------------------------------------------
+// RemoveFromObserver 
+//----------------------------------------------------------------------------------
+//
+void CGlxMSKController::RemoveFromObserver (MGlxMediaList& aList)
+    {
+    TRACER("CGlxMSKController::RemoveFromObserver");
+
+    aList.RemoveMediaListObserver ( this );
+    }
+
+//----------------------------------------------------------------------------
+// HandleItemAddedL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::HandleItemAddedL(TInt /*aStartIndex*/, TInt /*aEndIndex*/, 
+        MGlxMediaList* /*aList*/)
+    {
+    TRACER("CGlxMSKController::HandleItemAddedL");
+    // no implementation
+    }
+
+//----------------------------------------------------------------------------
+// HandleMediaL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::HandleMediaL(TInt /*aListIndex*/, MGlxMediaList* /*aList*/)
+    {
+    TRACER("CGlxMSKController::HandleMediaL");
+    // no implementation
+    }
+
+//----------------------------------------------------------------------------
+// HandleItemRemovedL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::HandleItemRemovedL(TInt /*aStartIndex*/, 
+        TInt /*aEndIndex*/, MGlxMediaList* aList)
+    {
+    TRACER("CGlxMSKController::HandleItemRemovedL");
+    
+    if( aList->Count() <= 0 )
+        {
+        iCba->SetCommandSetL(R_AVKON_SOFTKEYS_OPTIONS_BACK);
+        iCba->DrawNow();
+        }
+    }
+
+//----------------------------------------------------------------------------
+// HandleItemModifiedL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::HandleItemModifiedL(const RArray<TInt>& /*aItemIndexes*/, 
+        MGlxMediaList* /*aList*/)
+    {
+    TRACER("CGlxMSKController::HandleItemModifiedL");
+    // no implementation
+    }
+
+//----------------------------------------------------------------------------
+// HandleAttributesAvailableL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::HandleAttributesAvailableL(TInt aItemIndex, 
+        const RArray<TMPXAttribute>& /*aAttributes*/, 
+        MGlxMediaList* aList)
+    {
+    TRACER("CGlxMSKController::HandleAttributesAvailableL");
+     
+    if( aItemIndex == aList->FocusIndex() )
+        {        
+        iAttributeAvailable = ETrue;
+        SetStatusL(aList);
+        }
+    const TGlxMedia& mediaItem = aList->Item(aList->FocusIndex());      
+
+    if( mediaItem.IsStatic() && aList->SelectionCount() <= 0 )
+        {
+        HBufC* openbuf =  StringLoader::LoadLC(R_GLX_MSK_OPEN);
+        TPtr textopenptr = openbuf->Des();
+               
+        iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+                EAknCmdOpen, textopenptr );
+        iCba->DrawNow();
+        CleanupStack::PopAndDestroy(openbuf);
+        }
+    }
+
+//----------------------------------------------------------------------------
+// HandleFocusChangedL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::HandleFocusChangedL(NGlxListDefs::TFocusChangeType /*aType*/, 
+        TInt aNewIndex, TInt /*aOldIndex*/, 
+        MGlxMediaList* aList)
+    {  
+    TRACER("CGlxMSKController::HandleFocusChangedL");
+
+    // If new index is not equal to -1 (i.e., if there are items present), 
+    // then check the media item
+
+    if( (KErrNotFound != aNewIndex) && (aNewIndex == aList->FocusIndex()) )
+        {
+        SetStatusL(aList);
+        }
+    }
+
+//----------------------------------------------------------------------------
+// HandleItemSelectedL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::HandleItemSelectedL(TInt /*aIndex*/, TBool aSelected, 
+        MGlxMediaList* aList)
+    {
+    TRACER("CGlxMSKController::HandleItemSelectedL");
+    
+    if( !aSelected )
+        {
+        SetStatusL(aList);
+        }
+    }
+
+//----------------------------------------------------------------------------
+// HandleMessageL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::HandleMessageL(const CMPXMessage& /*aMessage*/, 
+        MGlxMediaList* /*aList*/)
+    {
+    TRACER("CGlxMSKController::HandleMessageL");
+    // no implementation
+    }
+
+//----------------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------------
+//
+CGlxMSKController::~CGlxMSKController()
+    {
+    TRACER("CGlxMSKController::~CGlxMSKController");
+    if ( iUiUtility )
+        {
+        iUiUtility->Close();
+        iUiUtility = NULL;
+        }
+    }
+
+//----------------------------------------------------------------------------
+// SetStatusOnViewActivationL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::SetStatusOnViewActivationL( MGlxMediaList* aList )
+    {
+    TRACER("CGlxMSKController::SetStatusOnViewActivationL");
+
+    // When going back from fullscreen to grid, when the attributes are already 
+    // available in the cache, there is no HandleAttributeAvailable callback. Hence,
+    // checking for medialist count.
+    if( !iAttributeAvailable && (aList->Count(NGlxListDefs::ECountNonStatic) > 0))
+        {
+        SetStatusL(aList);
+        }
+    if( aList->Count() == 0 )
+        {
+        iCba->SetCommandSetL(R_AVKON_SOFTKEYS_OPTIONS_BACK);
+        iCba->DrawNow();
+        }
+    }
+
+//----------------------------------------------------------------------------
+//SetStatusL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::SetStatusL(MGlxMediaList* aList)
+    {
+    TRACER("CGlxMSKController::SetStatusL");
+   
+    if( !aList->SelectionCount() > 0 )
+        {
+        //Get the current media item from medialist
+        const TGlxMedia& mediaItem = aList->Item(aList->FocusIndex());      
+        TBool isSystemItem = EFalse;    
+        mediaItem.GetSystemItem(isSystemItem);
+
+        HBufC* openbuf =  StringLoader::LoadLC(R_GLX_MSK_OPEN);
+        TPtr textopen = openbuf->Des();
+
+        HBufC* playbuf =  StringLoader::LoadLC(R_GLX_MSK_PLAY);
+        TPtr textplay = playbuf->Des();
+        
+        // Check whether media item is a system item, for example Favourites album 
+        // or a static item
+        if( isSystemItem || mediaItem.IsStatic() )
+            {
+            iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+                    EAknCmdOpen, textopen );
+            iCba->DrawNow();
+            }
+
+        else
+            {
+            switch (mediaItem.Category())
+                {
+                case EMPXImage:
+                    {
+                     if (!iUiUtility->IsExitingState())
+			            {
+			             // When Marking is done and Exit key is pressed, we do not need to set
+			             // MSK, as the application is exiting.
+		                iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+			                            EAknCmdOpen, textopen );
+			            iCba->DrawNow();
+			            }
+                    break;
+                    }
+                case EMPXVideo:
+                    {
+                     // When Marking is done and Exit key is pressed, we do not need to set
+			         // MSK, as the application is exiting.
+                     if (!iUiUtility->IsExitingState())
+			            {
+					    iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+			                            EAknCmdOpen, textplay );
+			            iCba->DrawNow();
+			            }
+	                break;
+                    }
+                case EMPXMonth:
+                    {
+                    iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+                            EAknCmdOpen, textopen );
+                    iCba->DrawNow();
+                    break;
+                    }
+                case EMPXAlbum:
+                    {
+                    iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+                            EAknCmdOpen, textopen );
+                    iCba->DrawNow();
+                    break;
+                    }
+                case EMPXTag:
+                    {
+                    iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+                            EAknCmdOpen, textopen );
+                    iCba->DrawNow();
+                    break;
+                    }
+                default:
+                    {
+                    iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+                            EAknCmdOpen, textopen );
+                    iCba->DrawNow();
+                    break;
+                    }                   
+                }
+            }
+        CleanupStack::PopAndDestroy(playbuf);
+        CleanupStack::PopAndDestroy(openbuf);
+        }
+    }
+
+//----------------------------------------------------------------------------
+//SetMainStatusL
+//----------------------------------------------------------------------------
+//
+void CGlxMSKController::SetMainStatusL()
+    {
+    HBufC* openbuf =  StringLoader::LoadLC(R_GLX_MSK_OPEN);
+    TPtr textopen = openbuf->Des();
+        
+    iCba->SetCommandL(CEikButtonGroupContainer::EMiddleSoftkeyPosition,
+            EAknCmdOpen, textopen );
+    iCba->DrawNow();
+    CleanupStack::PopAndDestroy(openbuf);
+    }
+