epoc32/include/app/MVPbkContactStoreInfo.h
branchSymbian3
changeset 4 837f303aceeb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/app/MVPbkContactStoreInfo.h	Wed Mar 31 12:33:34 2010 +0100
     1.3 @@ -0,0 +1,121 @@
     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:  a contact store information interface
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +
    1.22 +#ifndef MVPBKCONTACTSTOREINFO_H
    1.23 +#define MVPBKCONTACTSTOREINFO_H
    1.24 +
    1.25 +
    1.26 +// INCLUDES
    1.27 +#include <e32cmn.h>
    1.28 +
    1.29 +// CONSTANTS
    1.30 +const TInt KVPbkStoreInfoUnlimitedNumber = -1;
    1.31 +
    1.32 +// CLASS DECLARATIONS
    1.33 +
    1.34 +/**
    1.35 + * A contact store information interface.
    1.36 + *
    1.37 + * The interface offers access to contact store information that
    1.38 + * can change runtime.
    1.39 + */
    1.40 +class MVPbkContactStoreInfo
    1.41 +    {
    1.42 +    public:  // Destructor
    1.43 +        /**
    1.44 +         * Destructor.
    1.45 +         */
    1.46 +        virtual ~MVPbkContactStoreInfo() {}
    1.47 +
    1.48 +    public:  // New functions
    1.49 +        /**
    1.50 +         * Returns the maximum number of contacts that the store can have
    1.51 +         *
    1.52 +         * Client must always check the return value and compare it to
    1.53 +         * to the KVPbkStoreInfoUnlimitedNumber.
    1.54 +         *
    1.55 +         * @return The maximum number of contacts that the store can have
    1.56 +         *         or KVPbkStoreInfoUnlimitedNumber if the store hasn't got
    1.57 +         *         a limit.
    1.58 +         */
    1.59 +        virtual TInt MaxNumberOfContactsL() const =0;
    1.60 +        
    1.61 +        /**
    1.62 +         * Returns the current number of contacts in the store
    1.63 +         *
    1.64 +         * @return The current number of contacts in the store
    1.65 +         */
    1.66 +        virtual TInt NumberOfContactsL() const =0;
    1.67 +        
    1.68 +        /**
    1.69 +         * Returns the amount of memory in bytes that this store reserves
    1.70 +         * in the media it resides. 
    1.71 +         *
    1.72 +         * This is practical to implement for stores whose database is in 
    1.73 +         * the file system. All store implementations don't know their
    1.74 +         * memory consumption and in that case zero is returned.
    1.75 +         *
    1.76 +         * @return The amount of memory (bytes) that this store reserves 
    1.77 +         *         in the media it resides or zero if the information is
    1.78 +         *         not available (e.g in SIM stores)
    1.79 +         */
    1.80 +        virtual TInt64 ReservedMemoryL() const =0;
    1.81 +        
    1.82 +        /**
    1.83 +         * Returns the amount of memory in bytes that can be used 
    1.84 +         * for the new contacts.
    1.85 +         *
    1.86 +         * This is practical to implement for stores whose database is in 
    1.87 +         * the file system. All store implementations don't know this
    1.88 +         * information and in that case zero is returned.
    1.89 +         * 
    1.90 +         * @return Returns the amount of memory (bytes) that can be used for 
    1.91 +         *         the new contacts or zero if the information is not available
    1.92 +         */
    1.93 +        virtual TInt64 FreeMemoryL() const =0;
    1.94 +        
    1.95 +        /**
    1.96 +         * Returns the maximum number of groups that the store can have
    1.97 +         *
    1.98 +         * @return The maximum number of groups that the store can have
    1.99 +         *         or KVPbkStoreInfoUnlimitedNumber if the store hasn't got
   1.100 +         *         a limit. Zero if store doesn't support groups.
   1.101 +         */
   1.102 +        virtual TInt MaxNumberOfGroupsL() const =0;
   1.103 +        
   1.104 +        /**
   1.105 +         * Returns the current amount of groups in the store.
   1.106 +         *
   1.107 +         * @return The current amount of groups in the store
   1.108 +         */
   1.109 +        virtual TInt NumberOfGroupsL() const =0;
   1.110 +        
   1.111 +        /**
   1.112 +         * Returns an extension point for this interface or NULL.
   1.113 +         *
   1.114 +         * @param aExtensionUid no extensions defined currently.
   1.115 +         * @return an extension point for this interface or NULL.
   1.116 +         */
   1.117 +        virtual TAny* ContactStoreInfoExtension(TUid /*aExtensionUid*/) 
   1.118 +                { return NULL; }
   1.119 +    };
   1.120 +
   1.121 +
   1.122 +#endif  // MVPBKCONTACTSTOREINFO_H
   1.123 +
   1.124 +//End of file