dvrengine/CommonRecordingEngine/src/CCRSession.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:20:37 +0100
branchRCL_3
changeset 23 13a33d82ad98
parent 0 822a42b6c3f1
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201029 Kit: 201035
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/*
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* Copyright (c) 2007 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:    Implementation of RBF server's CCRSession class*
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*/
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// INCLUDE FILES
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#include "CCRSession.h"
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#include "CCRServer.h"
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#include "CCREngine.h"
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#include <ipvideo/CRTypeDefs.h>
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#include "videoserviceutilsLogger.h"
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// CONSTANTS
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// None
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CCRSession::CCRSession()
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// C++ constructor
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// -----------------------------------------------------------------------------
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//
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CCRSession::CCRSession() : CSession2(), iResourceCount( 0 )
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    {
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    __DECLARE_NAME( _S( "CCRSession" ) );
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    }
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// -----------------------------------------------------------------------------
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// CCRSession::NewL()
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// Two-phased constructor. 
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// -----------------------------------------------------------------------------
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//
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CCRSession* CCRSession::NewL( CCRServer* aServer )
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    {
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    CCRSession* self = new( ELeave ) CCRSession();
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    CleanupStack::PushL( self );
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    self->ConstructL( aServer );
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    CleanupStack::Pop( self );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CCRSession::ConstructL()
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// second-phase C++ constructor
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// -----------------------------------------------------------------------------
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//
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void CCRSession::ConstructL( CCRServer* aServer )
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    {
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    LOG( "CCRSession::ConstructL" );
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    aServer->Inc();
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    // Create new object index
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    iObjects = CObjectIx::NewL();
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    }
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// -----------------------------------------------------------------------------
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// CCRSession::~CCRSession()
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CCRSession::~CCRSession()
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    {
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    LOG( "CCRSession::~CCRSession" );
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    // Deletes objects
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    delete iObjects;
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    }
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// -----------------------------------------------------------------------------
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// CCRSession::ServiceL()
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// -----------------------------------------------------------------------------
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//
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void CCRSession::ServiceL( const RMessage2& aMessage )
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    {
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    switch ( aMessage.Function() )
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        {
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        case ECRServCreateSubSession:
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        case ECRServCloseSubSession:
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        case ECRServCloseSession:    
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            {
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            LOG1( "CCRSession::ServiceL(), aMessage: %d", aMessage.Function() );
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            TRAPD( err, DispatchMessageL( aMessage ) );
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            aMessage.Complete( err );
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            }
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            break;
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        default:
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            {
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            // Ok, but must be subsession relative
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            CCREngine* engine = ( CCREngine* )iObjects->At( aMessage.Int3() );
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            if ( engine == NULL )
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                {    
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                LOG( "CCRSession::ServiceL(), Null engine !" );
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                aMessage.Complete( KErrBadHandle );
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                PanicClient( KErrBadHandle );
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                }
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            else
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                {
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   113
                // this is the normal route, 
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                // all engine commands go this way
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                engine->GeneralServiceL( aMessage );
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                }
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            }
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            break;
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   119
        }
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    }
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parents:
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   121
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// -----------------------------------------------------------------------------
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// CCRSession::DispatchMessageL()
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// -----------------------------------------------------------------------------
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//
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void CCRSession::DispatchMessageL( const RMessage2& aMessage )
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    {
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    // Check for session-relative requests
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    switch ( aMessage.Function() )
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        {
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        case ECRServCreateSubSession:
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            NewObjectL( aMessage );
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            break;
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   134
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        case ECRServCloseSubSession:
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            DeleteObject( aMessage.Int3() );
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   137
            break;
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   138
        
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        case ECRServCloseSession:
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            Server()->Dec();
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   141
            break;
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   142
        
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   143
        default:
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            // None
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   145
            break;
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   146
        }
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   147
    }
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   148
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// -----------------------------------------------------------------------------
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// CCRSession::NewObjectL()
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//
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// -----------------------------------------------------------------------------
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//
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   154
void CCRSession::NewObjectL( const RMessage2& aMessage )
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    {
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   156
    LOG( "CCRSession::NewObjectL() in" );
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   157
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   158
    CObject* obj = Server()->GetEngineObjectL();
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   159
    TInt handle( iObjects->AddL( obj ) );
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   160
    LOG1( "CCRSession::NewObjectL(), handle: %d", handle );
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   161
    
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   162
    // Write the handle to client
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   163
    TPckg<TInt> handlePckg( handle );
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   164
    TRAPD( err, aMessage.WriteL( 3, handlePckg ) );
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   165
    if ( err )
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   166
        {
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   167
        PanicClient( KErrBadDescriptor );
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   168
        return;
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   169
        }
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   170
        
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   171
    // Notch up another resource
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   172
    iResourceCount++;
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   173
    LOG1( "CCRSession::NewObjectL() out, iResourceCount: %d", iResourceCount );
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   174
    }
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parents:
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   175
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   176
// -----------------------------------------------------------------------------
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   177
// CCRSession::DeleteObject()
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   178
// -----------------------------------------------------------------------------
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   179
//
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   180
void CCRSession::DeleteObject( TUint aHandle )
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   181
    {
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   182
    LOG1( "CCRSession::DeleteObject() in, aHandle: %u", aHandle );
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parents:
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   183
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   184
    // Panic if bad handle
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   185
    CCREngine* engine = ( CCREngine* )iObjects->At( aHandle );
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parents:
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   186
    if ( engine == NULL )
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   187
        {
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   188
        PanicClient( KErrNotFound ); 
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   189
        }
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parents:
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   190
        
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   191
    // Deletes engine
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   192
    iResourceCount--;
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parents:
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   193
    iObjects->Remove( aHandle );
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parents:
diff changeset
   194
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parents:
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   195
    LOG1( "CCRSession::DeleteObject() out, iResourceCount: %d", iResourceCount );
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   196
    }
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parents:
diff changeset
   197
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   198
// -----------------------------------------------------------------------------
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   199
// CCRSession::CountResources()
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   200
//
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   201
// -----------------------------------------------------------------------------
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   202
//
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   203
TInt CCRSession::CountResources()
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   204
    {
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   205
    return iResourceCount;
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   206
    }
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parents:
diff changeset
   207
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   208
// -----------------------------------------------------------------------------
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   209
// CCRSession::PanicClient()
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   210
// -----------------------------------------------------------------------------
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   211
//
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   212
void CCRSession::PanicClient( TInt aPanic ) const
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   213
    {
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   214
    _LIT( KTxtSessionPanic, "RbfSession" );
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   215
    User::Panic( KTxtSessionPanic, aPanic );
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   216
    }
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parents:
diff changeset
   217
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parents:
diff changeset
   218
//  End of File