videoconnutility/connutility/src/vcxconnutilwaitsch.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 12 Mar 2010 15:48:41 +0200
branchRCL_3
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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:    CCVcxConnUtilWaitSch class definition file*
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*/
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#include "vcxconnutilwaitsch.h"
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 /**
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 * CVcxConnUtilWait is used to wrap CActiveScheduler objects to be used
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 * as "wait-type" context within videoconnutility.
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 * Each CVcxConnUtilWait object has a wait type -id for whose
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 * object maintans an array of CActiveScheduler objects' wait state.
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 */
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NONSHARABLE_CLASS( CVcxConnUtilWait ) : public CBase
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    {
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    public: 
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        /**
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         * Destructor.
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         */
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        ~CVcxConnUtilWait()
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            {
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            iWaitArray.ResetAndDestroy();
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            };
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        /**
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         * Default constructor
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         */
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        CVcxConnUtilWait( ) {};
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        /**
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         * Wait type id
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         */
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        TUint32 iType;
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        /**
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         * Flag to indicate wether CActiveScheduler maintained
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         * by this object can really be released. In case flag is 
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         * false, CActiveScheduler -objects need to be put to wait
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         * again right after their release.  
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         */
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        TBool   iCanStop;
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        /**
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         * Array containing CActiveScheduler maintained
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         * by this object  
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         */
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        RPointerArray < CActiveSchedulerWait > iWaitArray;
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    };
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// -----------------------------------------------------------------------------
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// CVcxConnUtilWaitSch::CVcxConnUtilWaitSch()
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// -----------------------------------------------------------------------------
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//
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CVcxConnUtilWaitSch::CVcxConnUtilWaitSch()
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    {
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    // No implementation required
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    }
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// -----------------------------------------------------------------------------
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// CVcxConnUtilWaitSch::~CVcxConnUtilWaitSch()
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// -----------------------------------------------------------------------------
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//
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CVcxConnUtilWaitSch::~CVcxConnUtilWaitSch()
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    {
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    iWaits.ResetAndDestroy();
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    }
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// -----------------------------------------------------------------------------
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// CVcxConnUtilWaitSch::NewLC()
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// -----------------------------------------------------------------------------
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//
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CVcxConnUtilWaitSch* CVcxConnUtilWaitSch::NewLC()
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    {
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    CVcxConnUtilWaitSch* self = new (ELeave)CVcxConnUtilWaitSch();
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    CleanupStack::PushL(self);
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CVcxConnUtilWaitSch::NewL()
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// -----------------------------------------------------------------------------
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//
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CVcxConnUtilWaitSch* CVcxConnUtilWaitSch::NewL()
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    {
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    CVcxConnUtilWaitSch* self = CVcxConnUtilWaitSch::NewLC();
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    CleanupStack::Pop( self ); // self;
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CVcxConnUtilWaitSch::WaitL()
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// -----------------------------------------------------------------------------
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//
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void CVcxConnUtilWaitSch::WaitL( TUint32 aWaitId )
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   113
    {
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   114
    CVcxConnUtilWait* wait = GetWaitL( aWaitId );
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   115
    CActiveSchedulerWait* activeWait = GetActiveSWaitL( wait ); 
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   116
        
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   117
    while( !wait->iCanStop )
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   118
        {
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   119
        activeWait->Start();        
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   120
        }
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   121
    
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   122
    TInt index = wait->iWaitArray.FindL( activeWait );
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   123
    if( index != KErrNotFound )
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   124
        {       
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   125
        wait->iWaitArray.Remove( index );
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   126
        }
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   127
    delete activeWait;
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   128
    
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   129
    if( !wait->iWaitArray.Count() )
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   130
        {
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   131
        index = iWaits.FindL( wait );
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   132
        if( index != KErrNotFound )
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   133
            {            
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   134
            iWaits.Remove( index );
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   135
            }
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        delete wait;
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   137
        }
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   138
    }
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   139
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   140
// -----------------------------------------------------------------------------
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   141
// CVcxConnUtilWaitSch::EndWait()
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// -----------------------------------------------------------------------------
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   143
//
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   144
void CVcxConnUtilWaitSch::EndWait( TUint32 aWaitId )
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   145
    {
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   146
    TInt waitCount( 0 );
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   147
    TInt asWaitCount( 0 );
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   148
    
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   149
    waitCount = iWaits.Count();
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   150
    
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   151
    for( TInt i( 0 ); i < waitCount; ++i )
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   152
        {
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   153
        iWaits[ i ]->iCanStop = ( aWaitId == iWaits[ i ]->iType );
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   154
        
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        asWaitCount = iWaits[ i ]->iWaitArray.Count();
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   156
        
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   157
        for( TInt j( 0 ); j < asWaitCount; ++j )
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parents:
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   158
            {
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   159
            if( iWaits[ i ]->iWaitArray[ j ]->IsStarted() )
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parents:
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   160
                {
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   161
                iWaits[ i ]->iWaitArray[ j ]->AsyncStop();
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   162
                }
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   163
            }
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   164
        }
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   165
    }
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parents:
diff changeset
   166
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   167
// -----------------------------------------------------------------------------
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   168
// CVcxConnUtilWaitSch::GetWaitL()
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// -----------------------------------------------------------------------------
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   170
//
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   171
CVcxConnUtilWait* CVcxConnUtilWaitSch::GetWaitL( TUint32 aID )
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   172
    {
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   173
    CVcxConnUtilWait* wait( 0 );
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   174
    TInt count( 0 );
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   175
    count = iWaits.Count();
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parents:
diff changeset
   176
    
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diff changeset
   177
    for( TInt i( 0 ); i < count; ++i )
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parents:
diff changeset
   178
        {
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diff changeset
   179
        if( iWaits[ i ]->iType == aID )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   180
            {
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diff changeset
   181
            wait = iWaits[ i ];
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   182
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
            }
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   184
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
    if( !wait )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
        {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
        wait = new (ELeave) CVcxConnUtilWait();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
        CleanupStack::PushL( wait );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   189
        wait->iType = aID;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
        iWaits.AppendL( wait );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
        CleanupStack::Pop( wait );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   192
        }
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   193
    return wait;
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diff changeset
   194
    }
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parents:
diff changeset
   195
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   196
// -----------------------------------------------------------------------------
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   197
// CVcxConnUtilWaitSch::GetActiveSWaitL()
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   198
// -----------------------------------------------------------------------------
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   199
//
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   200
CActiveSchedulerWait* CVcxConnUtilWaitSch::GetActiveSWaitL( CVcxConnUtilWait* aWait )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
    {  
822a42b6c3f1 Revision: 200949
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parents:
diff changeset
   202
    CActiveSchedulerWait* item( 0 );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
    if( aWait )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
        {
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parents:
diff changeset
   205
        TInt count( aWait->iWaitArray.Count() );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
        for( TInt i( 0 ); i < count; i++ )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
            {
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
            if( !( aWait->iWaitArray[i]->IsStarted() ) )
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
                {
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parents:
diff changeset
   210
                item = aWait->iWaitArray[i];
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
                break;
822a42b6c3f1 Revision: 200949
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parents:
diff changeset
   212
                }
822a42b6c3f1 Revision: 200949
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parents:
diff changeset
   213
            }
822a42b6c3f1 Revision: 200949
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parents:
diff changeset
   214
        }
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
    if( !item )
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
        {
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
        item = new ( ELeave) CActiveSchedulerWait;
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
        CleanupStack::PushL( item );
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
        aWait->iWaitArray.AppendL( item );
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
        CleanupStack::Pop( item );
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
        }
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
    return item;
822a42b6c3f1 Revision: 200949
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parents:
diff changeset
   223
    }
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parents:
diff changeset
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// End of file
822a42b6c3f1 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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