epoc32/include/app/MVPbkStoreContactFieldCollection.h
branchSymbian3
changeset 4 837f303aceeb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/app/MVPbkStoreContactFieldCollection.h	Wed Mar 31 12:33:34 2010 +0100
     1.3 @@ -0,0 +1,127 @@
     1.4 +/*
     1.5 +* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description:  An interface for the field collection of the store contact
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +
    1.22 +#ifndef MVPBKSTORECONTACTFIELDCOLLECTION_H
    1.23 +#define MVPBKSTORECONTACTFIELDCOLLECTION_H
    1.24 +
    1.25 +
    1.26 +// INCLUDES
    1.27 +#include <e32def.h>
    1.28 +#include <mvpbkbasecontactfieldcollection.h>
    1.29 +
    1.30 +// Includes needed for covariant return types
    1.31 +#include <mvpbkstorecontactfield.h>
    1.32 +
    1.33 +// FORWARD DECLARATIONS
    1.34 +class MVPbkStoreContact;
    1.35 +class MVPbkStoreContactField;
    1.36 +
    1.37 +// CLASS DECLARATIONS
    1.38 +
    1.39 +/**
    1.40 + * An interface for the field collection of the store contact
    1.41 + *
    1.42 + * A field collection interface can be used for looping the contact fields.
    1.43 + */
    1.44 +class MVPbkStoreContactFieldCollection : public MVPbkBaseContactFieldCollection
    1.45 +    {
    1.46 +    public:  // Destructor
    1.47 +        /**
    1.48 +         * Destructor.
    1.49 +         */
    1.50 +        virtual ~MVPbkStoreContactFieldCollection() { }
    1.51 +
    1.52 +    public: // From MVPbkBaseContactFieldCollection (covariant return types))
    1.53 +         const MVPbkStoreContactField& FieldAt(TInt aIndex) const =0;
    1.54 +
    1.55 +    public:  // New functions
    1.56 +        /**
    1.57 +         * Returns a field in this collection.
    1.58 +         *
    1.59 +         * @param aIndex A zero-based index of the field to return.
    1.60 +         * @return A reference to the field at aIndex. Reference is valid until 
    1.61 +         *         FieldAt is called again. If you need a permanent copy,
    1.62 +         *         call MVPbkStoreContactField::CloneLC to the returned
    1.63 +         *         field.
    1.64 +         * @see MVPbkStoreContactField::CloneLC
    1.65 +         * @precond aIndex >= 0 && aIndex < FieldCount()
    1.66 +         *          VPbkError::Panic(VPbkError::EInvalidFieldIndex) is raised
    1.67 +         *          if the precondition does not hold.
    1.68 +         */
    1.69 +        virtual MVPbkStoreContactField& FieldAt( TInt aIndex ) = 0;
    1.70 +
    1.71 +        /**
    1.72 +         * Returns a copy of the field in this collection.
    1.73 +         *
    1.74 +         * Client gets the ownership of the field.
    1.75 +         *
    1.76 +         * @param aIndex A zero-based index of the field to return.
    1.77 +         * @return  A new instance to the field at aIndex. The field is valid
    1.78 +         *          as long as the parent contact is valid
    1.79 +         * @precond aIndex >= 0 && aIndex < FieldCount()
    1.80 +         *          VPbkError::Panic(VPbkError::EInvalidFieldIndex) is raised
    1.81 +         *          if the precondition does not hold.
    1.82 +         */
    1.83 +        virtual MVPbkStoreContactField* FieldAtLC( TInt aIndex ) const = 0;
    1.84 +
    1.85 +        /**
    1.86 +         * Returns the parent contact of the field collection
    1.87 +         *
    1.88 +         * @return the parent contact of the field collection
    1.89 +         */
    1.90 +        virtual MVPbkStoreContact& ParentStoreContact() const = 0;
    1.91 +        
    1.92 +        /**
    1.93 +         * Returns a field in this collection identified by a contact field 
    1.94 +         * link.
    1.95 +         *
    1.96 +         * A contact field link can be created using the MVPbkStoreContactField
    1.97 +         * interface. The same link works then as a contact link and 
    1.98 +         * a field link.
    1.99 +         *
   1.100 +         * NOTE: implementations of stores are possibly using an index
   1.101 +         *       of the field as an identifier so clients should prefer not
   1.102 +         *       to save field links permanently. E.g modifying the contact
   1.103 +         *       can invalidate the link in some store implementations.
   1.104 +         *       A field link is practical in use cases where the link is
   1.105 +         *       created and immediately given to another component.
   1.106 +         *
   1.107 +         * @param aContactLink A valid contact field link.
   1.108 +         * @return A field in this collection identified by aContactLink or NULL
   1.109 +         *          if the link does not contain field information or if the 
   1.110 +         *          link does not refer to the parent contact of this field collection.
   1.111 +         */
   1.112 +        virtual MVPbkStoreContactField* RetrieveField(
   1.113 +            const MVPbkContactLink& aContactLink ) const = 0;
   1.114 +
   1.115 +        /**
   1.116 +         * Returns an extension point for this interface or NULL.
   1.117 +         *
   1.118 +         * @param aExtensionUid no extensions defined currently.
   1.119 +         * @return An extension point for this interface or NULL.
   1.120 +         */
   1.121 +        virtual TAny* StoreContactFieldCollectionExtension( 
   1.122 +                TUid /*aExtensionUid*/ ) { return NULL; }
   1.123 +    };
   1.124 +
   1.125 +
   1.126 +#endif  // MVPBKSTORECONTACTFIELDCOLLECTION_H
   1.127 +
   1.128 +//End of file
   1.129 +
   1.130 +