--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/views/viewbase/src/glxtitlefetcher.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,200 @@
+/*
+* 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:    Title fetcher
+*
+*/
+
+
+
+
+
+// INCLUDE FILES
+#include "glxtitlefetcher.h"
+
+#include <mpxcollectionpath.h>
+#include <mpxmediageneraldefs.h>
+#include <mglxmedialist.h>
+#include <glxattributecontext.h>
+#include <glxuistd.h>
+#include "glxlog.h"
+#include "glxtracer.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// ---------------------------------------------------------------------------
+//
+CGlxTitleFetcher::CGlxTitleFetcher(MGlxTitleFetcherObserver& aObserver,
+                        CMPXCollectionPath* aPath) :
+   iObserver(aObserver), iPath(aPath)
+    {
+    TRACER("CGlxTitleFetcher::CGlxTitleFetcher");
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian 2nd phase constructor can leave.
+// ---------------------------------------------------------------------------
+// 
+    
+void CGlxTitleFetcher::ConstructL()
+    {
+    TRACER("CGlxTitleFetcher::ConstructL");
+    // Go back one level to obtain the ID
+    iPathId = iPath->Id();
+    // Go back another level from which to create a media list containing 
+    // this path
+    iPath->Back();
+    
+    iBackMediaList = MGlxMediaList::InstanceL(*iPath);
+    
+    /// @todo: This idSpaceId must be calculated properly
+    TGlxIdSpaceId idSpaceId = iBackMediaList->IdSpaceId(0);
+    
+    TGlxMediaId id(iPathId);
+    TBool requestAttributes = ETrue;
+    TInt index = iBackMediaList->Index(idSpaceId, id);
+    
+    if ( index != KErrNotFound )
+        {
+        const TGlxMedia& item = iBackMediaList->Item(index);
+    	const CGlxMedia* media = item.Properties();
+
+    	// get the Title from the attribute if it is already present
+    	if (media && media->IsSupported(KMPXMediaGeneralTitle)
+    	    && index != KErrNotFound)
+    		{
+            const TDesC&  title = media->ValueText(KMPXMediaGeneralTitle);
+            // notify the observer		
+            iObserver.HandleTitleAvailableL(title); 
+            requestAttributes = EFalse;
+    		}
+    	}
+    
+    if ( requestAttributes )
+	    {
+        // Otherwise add a context setting range to cover all items
+        iContext = CGlxDefaultAttributeContext::NewL();
+        iContext->SetRangeOffsets(10000,10000);
+        iContext->AddAttributeL(KMPXMediaGeneralTitle);
+        // Add the context at a high priority
+        iBackMediaList->AddContextL( iContext,
+                                     KGlxFetchContextPriorityTitleFetcher );
+        // Set self as observer
+        iBackMediaList->AddMediaListObserverL(this);
+	    }
+	}
+
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CGlxTitleFetcher* CGlxTitleFetcher::NewL(MGlxTitleFetcherObserver& aObserver,
+                        CMPXCollectionPath* aPath)
+    {
+    CGlxTitleFetcher* self = new (ELeave) CGlxTitleFetcher(aObserver, aPath);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CGlxTitleFetcher::~CGlxTitleFetcher()
+    {
+    TRACER("CGlxTitleFetcher::~CGlxTitleFetcher ()");
+
+    if(iBackMediaList)
+        {
+        if(iContext)
+            {
+            iBackMediaList->RemoveContext(iContext);
+            delete iContext;
+            }
+        iBackMediaList->RemoveMediaListObserver(this);           
+		iBackMediaList->Close();
+        }
+    
+    }
+// ---------------------------------------------------------------------------
+// CGlxTitleFetcher::HandleItemAddedL
+// ---------------------------------------------------------------------------
+//
+void CGlxTitleFetcher::HandleItemAddedL(TInt aStartIndex, TInt aEndIndex,
+        MGlxMediaList* aList)  
+    {    
+    TRACER("CGlxTitleFetcher::HandleItemAddedL ()");
+    if(aList == iBackMediaList)
+           {
+           for(TInt index = aStartIndex;index <= aEndIndex;index++)
+           // Is it the item (path) that we want
+               {
+               if(aList->Item(index).Id().Value() == (TUint32)iPathId)
+                       {
+                       const TGlxMedia& item = aList->Item(index);
+                       const CGlxMedia* media = item.Properties();
+                       // get the Title from the attribute
+                       if (media && media->IsSupported(KMPXMediaGeneralTitle))
+                           {
+                           const TDesC&  title = media->ValueText(KMPXMediaGeneralTitle);
+                           // notify the observer      
+                           iObserver.HandleTitleAvailableL(title); 
+                           iBackMediaList->RemoveContext(iContext);
+                           delete iContext;
+                           iContext = NULL;                
+                           }
+                       }
+                }
+           }
+    }
+// ---------------------------------------------------------------------------
+// CGlxTitleFetcher::HandleAttributesAvailableL
+// ---------------------------------------------------------------------------
+//
+void CGlxTitleFetcher::HandleAttributesAvailableL(TInt aItemIndex, 	
+		const RArray<TMPXAttribute>& /*aAttributes*/, MGlxMediaList* aList)
+    {
+    TRACER("CGlxTitleFetcher::HandleAttributesAvailableL ()");
+    // Is it the list that we want    
+    if(aList == iBackMediaList)
+        {
+        // Is it the item (path) that we want
+        if(aList->Item(aItemIndex).Id().Value() == (TUint32)iPathId)
+            {
+            const TGlxMedia& item = aList->Item(aItemIndex);
+			const CGlxMedia* media = item.Properties();
+			// get the Title from the attribute
+			if (media && media->IsSupported(KMPXMediaGeneralTitle))
+				{
+                const TDesC&  title = media->ValueText(KMPXMediaGeneralTitle);
+	            // notify the observer		
+                iObserver.HandleTitleAvailableL(title); 
+                iBackMediaList->RemoveContext(iContext);
+                delete iContext;
+                iContext = NULL;
+		        
+				}
+            }
+        }
+    }
+
+
+
+//  End of File