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/*
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* Copyright (c) 2008 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: Implementation of storage manager
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*
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*/
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// INCLUDE FILES
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#include "cvimpststorageserviceview.h"
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#include <e32std.h>
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#include "cvimpststoragemanager.h"
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#include "tvimpststoragepanics.h"
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#include "uiservicetabtracer.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CVIMPSTStorageManager::InitialiseLibraryL
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// Factory method that create the singleton instance of the storage manager
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// -----------------------------------------------------------------------------
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//
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void CVIMPSTStorageManager::InitialiseLibraryL()
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{
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TRACER_AUTO;
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//see whether there is an instance in the TLS
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//if not create the instance and set the same in TLS
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CVIMPSTStorageManager *sm = static_cast<CVIMPSTStorageManager*>( Dll::Tls() );
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if ( ! sm )
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{
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// no existing instance, create a new one
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CVIMPSTStorageManager *manager = CVIMPSTStorageManager::NewL();
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sm = manager;
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CleanupStack::PushL( manager );
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User::LeaveIfError( Dll::SetTls( static_cast<TAny*>( sm ) ) );
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CleanupStack::Pop( manager );
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}
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}
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// -----------------------------------------------------------------------------
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// CVIMPSTStorageManager::Release
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// Factory method to release the singleton instance of the storage manager
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// -----------------------------------------------------------------------------
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//
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TInt CVIMPSTStorageManager::Release()
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{
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TRACER_AUTO;
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//if any instance in TLS get the same and delete it
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CVIMPSTStorageManager *storage = static_cast<CVIMPSTStorageManager*>( Dll::Tls() );
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if ( storage )
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{
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delete storage;
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Dll::SetTls( NULL );
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}
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return KErrNone;
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}
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// -----------------------------------------------------------------------------
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// CVIMPSTStorageManager::Instance()
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// -----------------------------------------------------------------------------
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//
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CVIMPSTStorageManager& CVIMPSTStorageManager::Instance()
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{
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TRACER_AUTO;
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//get the instance frm TLS and return the same
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CVIMPSTStorageManager *storage = static_cast<CVIMPSTStorageManager*>( Dll::Tls() );
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__ASSERT_ALWAYS( storage,
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User::Panic( KPanicCategory, KLIBNOTINITIALIZED ) );
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return *storage;
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}
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// -----------------------------------------------------------------------------
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// CVIMPSTStorageManager::NewL
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// -----------------------------------------------------------------------------
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//
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CVIMPSTStorageManager* CVIMPSTStorageManager::NewL()
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{
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TRACER_AUTO;
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//creates the instance
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CVIMPSTStorageManager* self = new( ELeave ) CVIMPSTStorageManager;
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CleanupStack::PushL( self );
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self->ConstructL();
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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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// CVIMPSTStorageManager::ConstructL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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void CVIMPSTStorageManager::ConstructL()
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{
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TRACER_AUTO;
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}
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// -----------------------------------------------------------------------------
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// CVIMPSTStorageManager::~CVIMPSTStorageManager
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// -----------------------------------------------------------------------------
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//
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CVIMPSTStorageManager::~CVIMPSTStorageManager()
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{
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TRACER_AUTO;
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//release all the existing views
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iServiceViewList.ResetAndDestroy();
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}
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// -----------------------------------------------------------------------------
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// CVIMPSTStorageManager::CreateServiceViewL
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// -----------------------------------------------------------------------------
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//
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CVIMPSTStorageServiceView* CVIMPSTStorageManager::CreateServiceViewL( TUint32 aServiceId,
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const TDesC& aStoreName,
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const TDesC& aServiceName )
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{
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TRACER_AUTO;
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//creates a new view based on the service id.
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TInt index = KErrNotFound;
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CVIMPSTStorageServiceView* serviceView = NULL;
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//check if the view already exists in the viewlist
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index = FindServiceView(aServiceId);
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if( KErrNotFound == index )
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{
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TRACE( "service does not exit" );
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// service view is not found
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// check if store name is valid create a service view for aServiceId
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if( aStoreName.Length() )
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{
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TRACE(" store name is valid" );
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serviceView = CVIMPSTStorageServiceView::NewL(aServiceId,
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aStoreName, aServiceName);
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iServiceViewList.Append(serviceView);
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TRACE( "new view created for serviceId = %d",aServiceId );
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}
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// if store name is not valid ,return NULL
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}
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else
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{
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TRACE( " service already exist = %d",aServiceId );
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serviceView = iServiceViewList[ FindServiceView(aServiceId)];
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}
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//return the extisting view from the viewlist
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return serviceView;
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}
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// -----------------------------------------------------------------------------
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// CVIMPSTStorageManager::FindServiceView
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// -----------------------------------------------------------------------------
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//
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TInt CVIMPSTStorageManager::FindServiceView( TUint32 aServiceId)
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{
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TRACER_AUTO;
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//search whether the view exists in the view list.
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TInt index = KErrNotFound;
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TInt count = iServiceViewList.Count();
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for(TInt i = 0; i < count; i++ )
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{
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if( aServiceId == iServiceViewList[ i ]->GetServiceId() )
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{
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TRACE( "aServiceId found = %d" ,aServiceId );
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index = i;
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break;
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}
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}
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return index;
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}
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// -----------------------------------------------------------------------------
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// CVIMPSTStorageManager::RemoveServiceView
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// -----------------------------------------------------------------------------
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//
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void CVIMPSTStorageManager::RemoveServiceView( TUint32 aServiceId)
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{
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TRACER_AUTO;
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//searches and removes the view from the view list.
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TInt index = FindServiceView(aServiceId);
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if( index >= 0 )
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{
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TRACE( "aServiceId found = %d" ,aServiceId );
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//view exists, so delete and remove the same
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CVIMPSTStorageServiceView* serviceView = iServiceViewList[ index ];
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iServiceViewList.Remove( index );
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delete serviceView;
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iServiceViewList.Compress();
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}
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}
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// End of File
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