multimediacommscontroller/mmcccontroller/src/mccresourcecontainer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:04:58 +0200
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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 "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:    
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*
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*/
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// INCLUDE FILES
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#include "mccresourcecontainer.h"
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#include "mccresourceitem.h"
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#include "mcccontrollerlogs.h"
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#include "mccinternaldef.h"
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#include "mccresourceiterators.h"
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// EXTERNAL DATA STRUCTURES
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// EXTERNAL FUNCTION PROTOTYPES  
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// CONSTANTS
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// MACROS
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// LOCAL CONSTANTS AND MACROS
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// MODULE DATA STRUCTURES
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// LOCAL FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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// ============================= LOCAL FUNCTIONS ===============================
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::NewLC
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// -----------------------------------------------------------------------------
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//
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CMccResourceContainer* CMccResourceContainer::NewLC(
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    const TMccResourceParams& aParams,
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    RPointerArray<CMccResourceItem>& aAllEndpoints )
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    {
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    CMccResourceContainer* self = 
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        new ( ELeave ) CMccResourceContainer( aParams, aAllEndpoints );
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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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// CMccResourceContainer::NewL
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// -----------------------------------------------------------------------------
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//
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CMccResourceContainer* CMccResourceContainer::NewL(
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    const TMccResourceParams& aParams,
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    RPointerArray<CMccResourceItem>& aAllEndpoints )
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    {
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    CMccResourceContainer* self = 
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        CMccResourceContainer::NewLC( aParams, aAllEndpoints );
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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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// CMccResourceContainer::~CMccResourceContainer
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// -----------------------------------------------------------------------------
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//       
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CMccResourceContainer::~CMccResourceContainer()
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    {
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    HandleEndpointRemoval();
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    iOwnEndpoints.Reset();
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    iOwnEndpoints.Close();
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::AddResourceItemL
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// -----------------------------------------------------------------------------
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//
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void CMccResourceContainer::AddResourceItemL( 
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    const TMccResourceParams& aUser,
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    CMccResourceItem* aItem )
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    {
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    __ASSERT_ALWAYS( aItem, User::Leave( KErrArgument ) );
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    iOwnEndpoints.AppendL( aItem );
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    TInt err = aItem->IncreaseRefCount( aUser );
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    if ( err )
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        {
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        // Couldn't increase reference count, cannot use the resource
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        iOwnEndpoints.Remove( iOwnEndpoints.Count() - 1 );
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        User::Leave( err );
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        }
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::FindResourceItem
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// -----------------------------------------------------------------------------
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//   
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CMccResourceItem* CMccResourceContainer::FindResourceItem( TUint32 aEndpointId )
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    {
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    TMccResourceItemIterator iterator( iOwnEndpoints, aEndpointId );
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    CMccResourceItem* item = NULL;
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    iterator.Next( item );
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    return item;
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::LinkId
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// -----------------------------------------------------------------------------
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//
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TUint32 CMccResourceContainer::LinkId() const
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    {
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    return iParams.iLinkId;
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::StreamId
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// -----------------------------------------------------------------------------
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//
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TUint32 CMccResourceContainer::StreamId() const
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    {
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    return iParams.iStreamId;
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::SetResourceStateL
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// -----------------------------------------------------------------------------
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//    
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void CMccResourceContainer::SetResourceStateL( 
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    TUint32 aEndpointId, 
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    MMccResources::TResourceState aState,
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    TBool& aControlNetworkResources,
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    RArray<TUint32>& aControlledEndpoints,
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    RArray<TUint32>& aUncontrolledEndpoints )
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    { 
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    __CONTROLLER_INT1( "CMccResourceContainer::SetResourceStateL endpoint:", 
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                       aEndpointId ) 
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    __CONTROLLER_INT1( "CMccResourceContainer::SetResourceStateL state:", 
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                       aState )
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    aControlNetworkResources = EFalse;
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    if ( MCC_CONTROL_ALL_ENDPOINTS( aEndpointId ) )
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        {
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        aControlNetworkResources = ETrue;
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        TMccResourceItemIterator iterator( iOwnEndpoints );
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        CMccResourceItem* item = NULL;
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        while ( iterator.Next( item ) )
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            {
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            if ( item->SetResourceStateL( iParams.iStreamId, 
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                                          aState, 
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                                          StandbyControl(),
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                                          DtmfControl() ) )
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                {
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                aControlledEndpoints.AppendL( item->EndpointId() );
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                }
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            else
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                {
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                aUncontrolledEndpoints.AppendL( item->EndpointId() );
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                }
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            }
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        }
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    else
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        {
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        CMccResourceItem* item = FindResourceItem( aEndpointId );
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        __ASSERT_ALWAYS( item, User::Leave( KErrNotFound ) );
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        // Network resources must be always prepared first
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        //
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        aControlNetworkResources = item->IsNetworkResource();
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        TMccResourceItemIterator iterator( iOwnEndpoints );
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        CMccResourceItem* comparedItem = NULL;
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        while ( iterator.Next( comparedItem ) )
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            {
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            if ( comparedItem != item && 
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                 aState == MMccResources::EPrepared && 
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                 !aControlNetworkResources )
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                {
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                if ( comparedItem->IsNetworkResource() &&
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                     !comparedItem->IsResourceActive() )
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                    {
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                    // Network resources are not yet active
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                    User::Leave( KErrNotReady );
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                    }
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                }
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            }
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        if ( item->SetResourceStateL( iParams.iStreamId, 
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                                      aState, 
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                                      StandbyControl(),
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                                      DtmfControl() ) )
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            {
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            aControlledEndpoints.AppendL( item->EndpointId() );
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            }
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        else
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            {
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            aUncontrolledEndpoints.AppendL( item->EndpointId() );
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            }
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        }
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    __CONTROLLER( "CMccResourceContainer::SetResourceStateL, exit" )
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::SetEnableRtcp
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// -----------------------------------------------------------------------------
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//   
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void CMccResourceContainer::SetEnableRtcp( TBool aEnableRtcp )
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    {
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    iEnableRtcp = aEnableRtcp;
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::EnableRtcp
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// -----------------------------------------------------------------------------
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//   
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TBool CMccResourceContainer::EnableRtcp() const
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    {
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    return iEnableRtcp;
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::HandleEndpointRemoval
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// -----------------------------------------------------------------------------
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//
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void CMccResourceContainer::HandleEndpointRemoval( TUint32 aEndpointId )
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    { 
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    __CONTROLLER( "CMccResourceContainer::HandleEndpointRemoval" )
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    // If called with zero endpoint, all owned endpoints are "removed"
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    TInt lastIndex( iOwnEndpoints.Count() - 1 );
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    for ( TInt i = lastIndex; i >= 0; i-- )
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        {
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        if ( !aEndpointId || iOwnEndpoints[ i ]->EndpointId() == aEndpointId )
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            {
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            if ( iOwnEndpoints[ i ]->DecreaseRefCount( iParams ) )
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                {
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                DeleteEndpoint( iOwnEndpoints[ i ]->EndpointId() );
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                }
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            iOwnEndpoints.Remove( i );
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            }
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        }
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    __CONTROLLER( "CMccResourceContainer::HandleEndpointRemoval, exit" )
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::DeleteEndpoint
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// -----------------------------------------------------------------------------
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// 
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void CMccResourceContainer::DeleteEndpoint( TUint32 aEndpointId )
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    {
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    __CONTROLLER( "CMccResourceContainer::DeleteEndpoint" )
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    TInt lastIndex( iAllEndpoints.Count() - 1 );
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    for ( TInt i = lastIndex; i >= 0; i-- )
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        {
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        if ( iAllEndpoints[ i ]->EndpointId() == aEndpointId )
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            {
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            delete iAllEndpoints[ i ];
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            iAllEndpoints.Remove( i );
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            return;
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            }
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        } 
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    __CONTROLLER( "CMccResourceContainer::DeleteEndpoint, exit" )
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::CMccResourceContainer
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// -----------------------------------------------------------------------------
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//      
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CMccResourceContainer::CMccResourceContainer(
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    const TMccResourceParams& aParams,
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    RPointerArray<CMccResourceItem>& aAllEndpoints ) :
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    iParams( aParams ),
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    iAllEndpoints( aAllEndpoints )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::IsStandBy
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// -----------------------------------------------------------------------------
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//  
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TBool CMccResourceContainer::IsStandBy()
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	{
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	// Do not considered resource as standby resource if there's no
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	// standby resource item present
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	TMccResourceItemIterator iterator( iOwnEndpoints, KUidMmfAudioOutput );
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    CMccResourceItem* standbyEndpoint = NULL;
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    iterator.Next( standbyEndpoint );
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	return ( standbyEndpoint && iParams.iIsStandby );	
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	}
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::SetStandbyControl
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// -----------------------------------------------------------------------------
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//
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void CMccResourceContainer::SetStandbyControl( TBool aStandbyControl )
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	{
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	iStandbyControl = aStandbyControl;
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	}
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::StandbyControl
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// -----------------------------------------------------------------------------
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//      
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TBool CMccResourceContainer::StandbyControl() const
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	{
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	return iStandbyControl;	
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	}
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::DtmfControl
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// -----------------------------------------------------------------------------
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//
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TBool CMccResourceContainer::DtmfControl() const
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    {
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    return ( iParams.iStreamType == KMccDtmfStream );
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    }
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// -----------------------------------------------------------------------------
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// CMccResourceContainer::FetchStandbyEndpointL
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// -----------------------------------------------------------------------------
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//  
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CMccResourceItem& CMccResourceContainer::FetchStandbyEndpointL()
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	{
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	TMccResourceItemIterator iterator( iOwnEndpoints, KUidMmfAudioOutput );
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    CMccResourceItem* standbyEndpoint = NULL;
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    iterator.Next( standbyEndpoint );
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    __ASSERT_ALWAYS( standbyEndpoint, User::Leave( KErrNotFound ) );
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    return *standbyEndpoint;
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	}
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354