| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Tue, 31 Aug 2010 16:17:46 +0300 | |
| branch | RCL_3 |
| changeset 48 | 79859ed3eea9 |
| parent 35 | 1f3c3f2f5b0a |
| child 49 | 919f36ff910f |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Class which allocates random UIDs from a given range |
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* |
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*/ |
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#include <e32std.h> |
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#include "UidAllocator.h" |
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// MEMBER FUNCTION DEFINITIONS |
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// ============================================================================ |
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// TUidAllocator::AllocateL() |
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// Allocate a UID or leave with KErrNotFound |
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// |
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// @since 3.1 |
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// ============================================================================ |
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// |
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TInt TUidAllocator::AllocateL( const RUidArray& aUsedUids, TInt aDriveLetter ) |
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{
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if ( 'C' == aDriveLetter ) |
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{
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aDriveLetter = 'c'; |
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} |
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TInt uidStart = ( ('c' == aDriveLetter) ?
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KWidgetUidInternalMemoryStart : |
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KWidgetUidExternalMemoryStart ); |
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TInt uidStop = ( ('c' == aDriveLetter) ?
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KWidgetUidExternalMemoryStart : |
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KWidgetUidExternalMemoryStop + 1); |
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TInt uid = uidStart; |
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for ( ; uid < uidStop; ++uid ) |
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{
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if ( KErrNotFound == aUsedUids.Find( TUid::Uid( uid ) ) ) |
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{
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break; |
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} |
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} |
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if ( uid == uidStop ) |
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{
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User::Leave( KErrNotFound ); |
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} |
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return uid; |
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} |
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TBool TUidAllocator::IsWidget( TUid aUid ) |
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{
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return ( ( aUid.iUid >= KWidgetUidLowerBound |
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&& aUid.iUid <= KWidgetUidUpperBound )? |
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ETrue : EFalse ); |
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} |