webengine/widgetregistry/Server/inc/UidAllocator.h
author Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
Mon, 30 Mar 2009 12:54:55 +0300
changeset 0 dd21522fd290
child 36 0ed94ceaa377
permissions -rw-r--r--
Revision: 200911 Kit: 200912
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     1
/*
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     2
* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     3
* All rights reserved.
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     4
* This component and the accompanying materials are made available
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     5
* under the terms of the License "Eclipse Public License v1.0"
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     6
* which accompanies this distribution, and is available
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     7
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     8
*
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
     9
* Initial Contributors:
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    10
* Nokia Corporation - initial contribution.
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    11
*
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    12
* Contributors:
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    13
*
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    14
* Description:  Class which allocates random UIDs from a given range
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    15
*
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    16
*/
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    17
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    18
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    19
#ifndef UIDALLOCATOR_H
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    20
#define UIDALLOCATOR_H
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    21
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    22
// INCLUDE FILES
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    23
#include "WidgetRegistryConstants.h"
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    24
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    25
/**
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    26
 * This class allows clients to allocate a UID from a given range.
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    27
 * @internalComponent
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    28
 */
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    29
class TUidAllocator
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    30
    {
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    31
public:
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    32
    /**
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    33
    * Allocates a single UID and returns it or leaves with KErrNotFound.
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    34
    */
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    35
    TInt AllocateL( const RUidArray& aUsedUids, TInt aDriveLetter );
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    36
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    37
    static TBool IsWidget( TUid aUid );
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    38
    };
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    39
#endif
dd21522fd290 Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff changeset
    40