photosgallery/viewframework/dataprovider/src/glxbindingset.cpp
changeset 0 4e91876724a2
child 18 bcb43dc84c44
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/dataprovider/src/glxbindingset.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,161 @@
+/*
+* 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:    Implemention of bindings required to populate the visual item
+*
+*/
+
+
+
+
+#include "glxbindingset.h"     // holds the bindings required to populate the visual item
+#include <glxlog.h>            // Logging
+#include <glxtracer.h>
+// ----------------------------------------------------------------------------
+// NewLC
+// ----------------------------------------------------------------------------
+//
+CGlxBindingSet* CGlxBindingSet::NewLC( MGlxBindingObserver& aObserver )
+    {
+    TRACER("CGlxBindingSet::NewLC");
+    CGlxBindingSet* set = new ( ELeave ) CGlxBindingSet( aObserver );
+    CleanupStack::PushL( set );
+    return set;
+    }
+
+// ----------------------------------------------------------------------------
+// constructor
+// ----------------------------------------------------------------------------
+//
+CGlxBindingSet::CGlxBindingSet( MGlxBindingObserver& aObserver )
+        : iObserver( aObserver )
+    {
+    }
+    
+// ----------------------------------------------------------------------------
+// destructor
+// ----------------------------------------------------------------------------
+//
+CGlxBindingSet::~CGlxBindingSet() 
+    {
+    TRACER("CGlxBindingSet::~CGlxBindingSet");
+    iBindings.ResetAndDestroy();
+    }
+
+// ----------------------------------------------------------------------------
+// AddBindingL
+// ----------------------------------------------------------------------------
+//
+void CGlxBindingSet::AddBindingL( CGlxBinding* aBinding )
+    {
+    TRACER("CGlxBindingSet::AddBindingL");
+    __ASSERT_DEBUG( aBinding, User::Invariant() ); // null binding not accepted
+    iBindings.AppendL( aBinding );
+    //CleanupStack ::Pop( aBinding );
+    aBinding->SetObserver( *this );
+    }
+
+// ----------------------------------------------------------------------------
+// PopulateT
+// ----------------------------------------------------------------------------
+//
+void CGlxBindingSet::PopulateT( Alf::MulVisualItem& aItem, 
+        const TGlxMedia& aMedia, TBool aIsFocused ) const
+    {
+    TRACER("CGlxBindingSet::PopulateT");
+    const TInt count = iBindings.Count();
+    for ( TInt i = 0; i < count; i++ )
+        {
+        iBindings[i]->PopulateT( aItem, aMedia, aIsFocused );
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// HasRelevantAttributes
+// ----------------------------------------------------------------------------
+//
+TBool CGlxBindingSet::HasRelevantAttributes( const RArray< TMPXAttribute >& 
+    aAttributes ) const
+    {
+    TRACER("CGlxBindingSet::HasRelevantAttributes");
+    TBool isRelevant = EFalse;
+    TInt count = iBindings.Count();
+    TInt i = -1;
+    while( ++i < count && !isRelevant )
+        {
+        isRelevant = iBindings[i]->HasRelevantAttributes( aAttributes );
+        }
+    GLX_LOG_INFO1("HasRelevantAttributes::isRelevant %d", isRelevant);
+    return isRelevant;
+    }
+
+// ----------------------------------------------------------------------------
+// HandleFocusChanged
+// ----------------------------------------------------------------------------
+//	
+CGlxBinding::TResponse CGlxBindingSet::HandleFocusChanged( TBool aIsGained) 
+    {
+    TRACER("CGlxBindingSet::HandleFocusChanged");
+    TResponse response = ENoUpdateNeeded;
+    TInt count = iBindings.Count();
+    TInt i = -1;
+    while( ++i < count )
+        {
+        TResponse singleResponse = iBindings[i]->HandleFocusChanged( aIsGained );
+        if ( ENoUpdateNeeded != singleResponse )
+            {
+            response = singleResponse;
+            }
+        }
+    return response;
+    }  
+    
+ // ----------------------------------------------------------------------------
+// HandleItemChanged
+// ----------------------------------------------------------------------------
+//   
+void CGlxBindingSet::HandleItemChangedL(const CMPXCollectionPath& aPath )
+    {
+    TRACER("CGlxBindingSet::HandleItemChangedL");
+    TInt count = iBindings.Count();
+    TInt i = -1;
+    while( ++i < count )
+        {
+    
+         iBindings[i]->HandleItemChangedL(aPath);
+        }
+    }
+// ----------------------------------------------------------------------------
+// HandleBindingChanged
+// ----------------------------------------------------------------------------
+//	
+void CGlxBindingSet::HandleBindingChanged( const CGlxBinding& /*aBinding*/ )
+    {
+    TRACER("CGlxBindingSet::HandleBindingChanged");
+    iObserver.HandleBindingChanged( *this );
+    }
+
+// ----------------------------------------------------------------------------
+// AddRequirementsL
+// ----------------------------------------------------------------------------
+//	
+void CGlxBindingSet::AddRequirementsL(  CGlxAttributeRequirements& 
+    aAttributeRequirement,TSize aSize )
+    {
+    TRACER("CGlxBindingSet::AddRequirementsL");
+    for(TInt i = 0; i < iBindings.Count(); i++ )
+        {
+        iBindings.operator[](i)->AddRequestL( aAttributeRequirement,aSize);
+        }
+    }
+