PECengine/PresenceManager2/SrcAttribute/CPEngAttributeStore2Imp.cpp
changeset 0 094583676ce7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/PresenceManager2/SrcAttribute/CPEngAttributeStore2Imp.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,281 @@
+/*
+* Copyright (c) 2004 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:  Store API to retrieve presence attribute models.
+*
+*/
+
+// INCLUDE FILES
+#include "CPEngAttributeStore2Imp.h"
+#include "CPEngNWSessionSlotID2Imp.h"
+#include "CPEngNWSessionSlotStorageProxy.h"
+#include "MPEngPresenceAttrManager.h"
+#include "PEngAttrLibFactory.h"
+
+
+#include <MPEngPresenceAttrModel2.h>
+#include <CPEngNWSessionSlotID2.h>
+
+
+
+
+// ============================ LOCAL FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// AddOptionsByOwner()
+// Adds the EPEngUserAttribute instance option bit if
+// user presence ID is used.
+// -----------------------------------------------------------------------------
+//
+void AddOptionsByOwner( TInt& aInstanceOptions, const TDesC& aPresenceID )
+    {
+    if ( aPresenceID == KPEngUserOwnPresenceId )
+        {
+        aInstanceOptions = aInstanceOptions | EPEngUserAttribute;
+        }
+    else
+        {
+        aInstanceOptions = aInstanceOptions | EPEngCreationNotAllowed;
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// HandleLoadErrorsByOwnerL()
+// For user own attribute, the not found error is ignored
+// (default attribute data is returned).
+// For other attributes (cached ones), it is handled.
+// -----------------------------------------------------------------------------
+//
+void HandleLoadErrorsByOwnerL( TInt aLoadErr,
+                               const TDesC& aPresenceID )
+    {
+    if ( aPresenceID == KPEngUserOwnPresenceId )
+        {
+        return;
+        }
+
+    User::LeaveIfError( aLoadErr );
+    }
+
+
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::NewL()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CPEngAttributeStore2Imp* CPEngAttributeStore2Imp::NewL(
+    const CPEngNWSessionSlotID2& aNWSessionSlotID,
+    TInt aPriority )
+    {
+    CPEngAttributeStore2Imp* self =
+        new ( ELeave ) CPEngAttributeStore2Imp( aPriority );
+    CleanupStack::PushL( self );
+    self->ConstructL( aNWSessionSlotID );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+
+// Destructor
+CPEngAttributeStore2Imp::~CPEngAttributeStore2Imp()
+    {
+    if ( iAttrManager )
+        {
+        iAttrManager->Close();
+        }
+
+    delete iUsedSlot;
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::CPEngAttributeStore2Imp
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CPEngAttributeStore2Imp::CPEngAttributeStore2Imp( TInt aPriority )
+        : iCActivePriority( aPriority )
+    {
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CPEngAttributeStore2Imp::ConstructL( const CPEngNWSessionSlotID2& aNWSessionSlotID )
+    {
+    iUsedSlot = CPEngNWSessionSlotStorageProxy::NewL( aNWSessionSlotID );
+    iAttrManager = PEngAttrLibFactory::AttributeManagerInstanceL( iUsedSlot->BaseId() );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::GetAttribute()
+// -----------------------------------------------------------------------------
+//
+TInt CPEngAttributeStore2Imp::GetAttribute(
+    TUint32 aType,
+    const TDesC& aPresenceID,
+    MPEngPresenceAttrModel2*& aModel ) const
+    {
+    aModel = NULL;
+    TInt instanceOptions = EPEngStorableModel;
+    AddOptionsByOwner( instanceOptions, aPresenceID );
+
+    TRAPD( err,
+        {
+        MPEngPresenceAttrModel2* model = NULL;
+
+        TInt loadErr = iAttrManager->LoadAttributeLC( model,
+                                                      aPresenceID,
+                                                      aType,
+                                                      instanceOptions );
+        HandleLoadErrorsByOwnerL( loadErr,
+                                  aPresenceID );
+
+        CleanupStack::Pop(); //model
+        aModel = model;
+        } );
+
+    return err;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::GetAndLockAttribute()
+// -----------------------------------------------------------------------------
+//
+TInt CPEngAttributeStore2Imp::GetAndLockAttribute(
+    TUint32 aType,
+    const TDesC& aPresenceID,
+    MPEngPresenceAttrModel2*& aModel )
+    {
+    aModel = NULL;
+    TInt instanceOptions = EPEngStorableModel |
+                           EPEngEditLockedModel;
+    AddOptionsByOwner( instanceOptions, aPresenceID );
+
+    TRAPD( err,
+        {
+        MPEngPresenceAttrModel2* model = NULL;
+
+
+        TInt loadErr = iAttrManager->LoadAttributeLC( model,
+                                                      aPresenceID,
+                                                      aType,
+                                                      instanceOptions );
+
+        HandleLoadErrorsByOwnerL( loadErr,
+                                  aPresenceID );
+
+
+        CleanupStack::Pop(); //model
+        aModel = model;
+        } );
+
+    return err;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::StoreAttribute()
+// -----------------------------------------------------------------------------
+//
+TInt CPEngAttributeStore2Imp::StoreAttribute(
+    MPEngPresenceAttrModel2& aModel,
+    TBool aReleaseEditLock )
+    {
+    TRAPD( err, iAttrManager->StoreEditLockedAttributeL( aModel ) );
+    if ( aReleaseEditLock && ( err == KErrNone ) )
+        {
+        err = UnLockAttribute( aModel );
+        }
+
+    return err;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::UnLockAttribute()
+// -----------------------------------------------------------------------------
+//
+TInt CPEngAttributeStore2Imp::UnLockAttribute(
+    MPEngPresenceAttrModel2& aModel )
+    {
+    return iAttrManager->StopEditSupport( aModel );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::AttributeAvailable()
+// -----------------------------------------------------------------------------
+//
+TInt CPEngAttributeStore2Imp::AttributeAvailable( TUint32 aType,
+                                                  const TDesC& aPresenceID ) const
+    {
+    TInt instanceOptions = EPEngStorableModel |
+                           EPEngEditLockedModel;
+    AddOptionsByOwner( instanceOptions, aPresenceID );
+
+
+    TRAPD( err,
+        {
+        MPEngPresenceAttrModel2* model = NULL;
+        iAttrManager->LoadAttributeLC( model,
+                                       aPresenceID,
+                                       aType,
+                                       instanceOptions );
+
+        CleanupStack::PopAndDestroy(); //model
+        } );
+
+    return err;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CPEngAttributeStore2Imp::AttributeTypeSupported()
+// -----------------------------------------------------------------------------
+//
+TInt CPEngAttributeStore2Imp::AttributeTypeSupported( TUint32 aType ) const
+    {
+    TArray< TUint32 > attributeTypes = iAttrManager->KnownAttributeTypes();
+    const TInt typeCount = attributeTypes.Count();
+
+    for ( TInt ii = 0; ii < typeCount; ii++ )
+        {
+        if ( attributeTypes[ ii ] == aType )
+            {
+            return KErrNone;
+            }
+        }
+
+    return KErrNotSupported;
+    }
+
+
+
+// End of File
+
+