--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/VirtualPhonebook/VPbkSimStoreImpl/src/CCustomStore.cpp	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,142 @@
+/*
+* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  A store that uses ETel custom API due to cache in TSY
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "CCustomStore.h"
+
+#include <VPbkDebug.h>
+#include "CPhone.h"
+#include "CCacheReadyNotificationCmd.h"
+#include "CCacheStatusCmd.h"
+#include "CSequentialCompositeCmd.h"
+#include "CParallelCompositeCmd.h"
+
+namespace VPbkSimStoreImpl {
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCustomStore::CCustomStore
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CCustomStore::CCustomStore( TStoreParams& aParams )
+:   CBasicStore( aParams )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCustomStore::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CCustomStore::ConstructL()
+    {
+    CBasicStore::ConstructL();
+    }
+    
+// Destructor
+CCustomStore::~CCustomStore()
+    {
+    CancelRequests();
+    VPBK_DEBUG_PRINT(VPBK_DEBUG_STRING(
+        "VPbkSimStoreImpl: RMmCustomAPI::Close"));
+    iCustomAPI.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CCustomStore::OpenETelStoreL
+// -----------------------------------------------------------------------------
+//
+void CCustomStore::OpenETelStoreL()
+    {
+    CBasicStore::OpenETelStoreL();
+    User::LeaveIfError( iCustomAPI.Open( Phone().ETelPhone() ) );
+    VPBK_DEBUG_PRINT(VPBK_DEBUG_STRING(
+        "VPbkSimStoreImpl: RMmCustomAPI::Open handle %d"),
+        iCustomAPI.SubSessionHandle());
+    }
+
+void CCustomStore::CloseETelStore()
+    {
+    CBasicStore::CloseETelStore();
+    VPBK_DEBUG_PRINT(VPBK_DEBUG_STRING(
+        "VPbkSimStoreImpl: RMmCustomAPI::Close handle %d"),
+        iCustomAPI.SubSessionHandle());
+    iCustomAPI.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CCustomStore::CreateInitCommandL
+// -----------------------------------------------------------------------------
+//
+MVPbkSimCommand* CCustomStore::CreateInitCommandL( 
+        MVPbkSimCommandObserver& aObserver )
+    {
+    // Create a init command chain
+    CCompositeCmdBase* cmdChain = CSequentialCompositeCmd::NewLC();
+    cmdChain->AddObserverL( aObserver );
+    
+    // Add notication command that waits until the TSY cache is ready if
+    // the cache is not ready
+    AddTSYCacheReadyCmdToChainL( *cmdChain );
+
+    // Get phonebook information to know the current state of the phonebook
+    AddGetInfoCmdToChainL( *cmdChain );
+
+    // Start reading contacts after the total amount of contacts is known
+    AddMultipleReadCmdToChainL( *cmdChain, KErrNotFound, KErrNotFound );
+
+    CleanupStack::Pop( cmdChain );
+    return cmdChain;
+    }
+
+// -----------------------------------------------------------------------------
+// CCustomStore::AddTSYCacheReadyCmdToChainL
+// -----------------------------------------------------------------------------
+//
+void CCustomStore::AddTSYCacheReadyCmdToChainL( CCompositeCmdBase& aCmdChain )
+    {
+    // Create a parallel composite to ensure that we don't jam
+    // to TSY cache waiting. We must use both cache status command and
+    // cache ready notification command and they must also co-operate.
+    // The composite completes when the first subcommand tells it that
+    // cache is ready.
+    CCompositeCmdBase* composite = CParallelCompositeCmd::NewLC(
+            CParallelCompositeCmd::EFirstSubCommandDone );
+    
+    CCacheStatusCmd* statusCmd = CCacheStatusCmd::NewLC( *this, iCacheStatus );
+    // Notification command needs to re-execute CCacheStatusCmd in some
+    // situation.
+    CCacheReadyNotificationCmd* notifyCmd = 
+        CCacheReadyNotificationCmd::NewLC( *this, iCacheStatus, *statusCmd );
+    // The order of subcommand has a meaning. TSY must get notification
+    // request before cache status request. Otherwise there is a possiblity
+    // that we miss the notification and the request never completes.
+    composite->AddSubCommandL( notifyCmd );
+    CleanupStack::Pop( notifyCmd );
+    composite->AddSubCommandL( statusCmd );
+    CleanupStack::Pop( statusCmd );
+    
+    aCmdChain.AddSubCommandL( composite );
+    CleanupStack::Pop( composite );
+    }
+} // namespace VPbkSimStoreImpl
+//  End of File