diff -r 000000000000 -r e686773b3f54 phonebookengines/VirtualPhonebook/VPbkSimStoreImpl/inc/CSharedViewArray.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/VirtualPhonebook/VPbkSimStoreImpl/inc/CSharedViewArray.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,224 @@
+/*
+* Copyright (c) 2007-2007 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:  An array that manages shared views
+*
+*/
+
+
+
+#ifndef VPBKSIMSTOREIMPL_CSHAREDVIEWARRAY_H
+#define VPBKSIMSTOREIMPL_CSHAREDVIEWARRAY_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <MVPbkSimCntView.h>
+#include <VPbkSimStoreCommon.h>
+
+// FORWARD DECLARATIONS
+class CVPbkSimContactView;
+
+namespace VPbkSimStoreImpl {
+
+// FORWARD DECLARATIONS
+class CSharedViewOwner;
+class CViewHandle;
+
+// CLASS DECLARATION
+
+/**
+* An array that manages shared views.
+*/
+NONSHARABLE_CLASS(CSharedViewArray) : public CBase
+    {    
+    public: // Data types
+        enum TViewDestructionPolicy
+            {
+            /// Views are destroyed when this array is destroyed
+            EDestroyViewWhenArrayIsDestroyed,
+            /// Views are destroyed when last handle is removed.
+            EDestroyViewIfNoHandles
+            };
+            
+    public: // Construction and Destruction
+
+        /**
+        * Two-phased constructor.
+        *
+        * @return A new instance of this class
+        */
+        static CSharedViewArray* NewL( 
+                TViewDestructionPolicy aDestructionPolicy );
+        
+        /**
+        * Destructor.
+        */
+        ~CSharedViewArray();
+    
+    public: // Interface
+
+        /**
+         * Creates a new shared view if it didn't exist and
+         * a new handle to it.
+         *
+         * @param aSortOrder The sort order for the view. Will be ignored
+         *                   if the shared view already exist.
+         * @param aConstructionPolicy Will be ignored if the shared view
+         *                            already exist.
+         * @param aParentStore The source of contacts.
+         * @param aViewName A shared view identifier
+         * @return a new handle to the shared view.
+         */
+        CViewHandle* CreateNewHandleL(
+                const RVPbkSimFieldTypeArray& aSortOrder,
+                TVPbkSimViewConstructionPolicy aConstructionPolicy, 
+                MVPbkSimCntStore& aParentStore, const TDesC& aViewName );
+        
+        /**
+         * Removes the view handle.
+         *
+         * @param aHandle The handle to be removed.
+         */
+        void RemoveHandle( CViewHandle& aHandle );
+
+    private: // Implementation
+
+        /**
+        * C++ constructor.
+        */
+        CSharedViewArray( TViewDestructionPolicy aDestructionPolicy );
+        /// Returns the owner or NULL
+        CSharedViewOwner* FindOwner( const TDesC& aViewName );
+        
+    private:    // Data
+        /// Own: defines how views are destroyed
+        TViewDestructionPolicy iDestructionPolicy;
+        /// Own: view holders
+        RPointerArray<CSharedViewOwner> iSharedViews;
+    };
+
+/**
+ * A class for view handle. Forwards requests to real view.
+ */
+NONSHARABLE_CLASS(CViewHandle) : 
+            public CBase, 
+            public MVPbkSimCntView
+    {
+    public: // Construction and Destruction
+
+        /**
+        * Two-phased constructor.
+        *
+        * @param aSharedViewArray An array that owns shared views.
+        * @param aSharedView The view this handle points to.
+        * @return A new instance of this class
+        */
+        CViewHandle( CSharedViewArray& aSharedViewArray, 
+                CVPbkSimContactView& aSharedView );
+        
+        /**
+        * Destructor.
+        */
+        ~CViewHandle();
+    
+    public: // Interface
+        /**
+         * @return The view this handle points to.
+         */
+        CVPbkSimContactView& SharedView();
+        
+    public: // From MVPbkSimCntView
+        const TDesC& Name() const;
+        MVPbkSimCntStore& ParentStore() const;
+        void OpenL(
+                MVPbkSimViewObserver& aObserver );
+        void Close(
+                MVPbkSimViewObserver& aObserver );
+        TInt CountL() const;
+        MVPbkSimContact& ContactAtL(
+                TInt aIndex );
+        void ChangeSortOrderL(
+                const RVPbkSimFieldTypeArray& aSortOrder );
+        TInt MapSimIndexToViewIndexL(
+                TInt aSimIndex );
+        MVPbkSimStoreOperation* ContactMatchingPrefixL(
+                const MDesCArray& aFindStrings, 
+                MVPbkSimViewFindObserver& aObserver );
+        const RVPbkSimFieldTypeArray& SortOrderL() const;
+    
+    private: // Data
+        /// Own: An array of shared views.
+        CSharedViewArray& iSharedViewArray;
+        /// Own: The view
+        CVPbkSimContactView& iSharedView;
+    };
+
+/**
+ * A class for managing view handles to the one shared view.
+ */
+NONSHARABLE_CLASS(CSharedViewOwner) : public CBase
+    {
+    public: // Construction and Destruction
+
+        /**
+        * Two-phased constructor.
+        *
+        * @param aSharedViewArray An array that owns shared views.
+        * @param aSharedView The view this handle points to.
+        */
+        CSharedViewOwner( CSharedViewArray& aSharedViewArray,
+                CVPbkSimContactView* aSharedView );
+        
+        /**
+        * Destructor.
+        */
+        ~CSharedViewOwner();
+    
+    public: // Interface
+    
+        /**
+         * @return The shared view that is owned by this owner.
+         */
+        CVPbkSimContactView& View() const;
+        
+        /**
+         * Creates a new handle to the View()
+         * 
+         * @return a new handle to the View()
+         */
+        CViewHandle* CreateNewHandleL();
+        
+        /**
+         * Removes a handle pointing to View()
+         *
+         * @param aHandle The handle to be removed.
+         */
+        void RemoveHandle( CViewHandle& aHandle );
+        
+        /**
+         * @return ETrue if View() has handles.
+         */
+        TBool HasHandles() const;
+    
+    private: // Data
+        /// Ref: The parent array of this owner
+        CSharedViewArray& iSharedViewArray;
+        /// Own: The shared view
+        CVPbkSimContactView* iSharedView;
+        /// Ref: References to view handles
+        RPointerArray<CViewHandle> iViewHandles;
+    };
+} // namespace VPbkSimStoreImpl
+#endif      // VPBKSIMSTOREIMPL_CSHAREDVIEWARRAY_H
+            
+// End of File