ncdengine/provider/client/src/ncdnodecontentinfoproxy.cpp
changeset 0 ba25891c3a9e
child 18 3ba40be8e484
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/client/src/ncdnodecontentinfoproxy.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,222 @@
+/*
+* Copyright (c) 2006 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:   Contains CNcdNodeContentInfoProxy class implementation
+*
+*/
+
+
+#include "ncdnodecontentinfoproxy.h"
+#include "ncdnodemetadataproxy.h"
+#include "ncdoperationimpl.h"
+#include "catalogsclientserver.h"
+#include "ncdnodeidentifier.h"
+#include "ncdnodefunctionids.h"
+#include "ncdnodeclassids.h"
+#include "catalogsinterfaceidentifier.h"
+#include "catalogsutils.h"
+#include "catalogsdebug.h"
+#include "ncderrors.h"
+
+
+// ======== PUBLIC MEMBER FUNCTIONS ========
+
+CNcdNodeContentInfoProxy::CNcdNodeContentInfoProxy(
+    MCatalogsClientServer& aSession,
+    TInt aHandle,
+    CNcdNodeMetadataProxy& aMetadata )
+: CNcdInterfaceBaseProxy( aSession, aHandle, &aMetadata )
+    {
+    }
+
+
+void CNcdNodeContentInfoProxy::ConstructL()
+    {
+    DLTRACEIN((""));
+    // Register the interface
+    MNcdNodeContentInfo* interface( this );
+    AddInterfaceL( 
+        CCatalogsInterfaceIdentifier::NewL( interface, this, MNcdNodeContentInfo::KInterfaceUid ) );
+    
+    InternalizeL();
+    }
+
+
+CNcdNodeContentInfoProxy* CNcdNodeContentInfoProxy::NewL(
+    MCatalogsClientServer& aSession,
+    TInt aHandle,
+    CNcdNodeMetadataProxy& aMetadata )
+    {
+    CNcdNodeContentInfoProxy* self = 
+        CNcdNodeContentInfoProxy::NewLC( aSession, aHandle, aMetadata );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+CNcdNodeContentInfoProxy* CNcdNodeContentInfoProxy::NewLC(
+    MCatalogsClientServer& aSession,
+    TInt aHandle,
+    CNcdNodeMetadataProxy& aMetadata )
+    {
+    CNcdNodeContentInfoProxy* self = 
+        new( ELeave ) CNcdNodeContentInfoProxy( aSession, aHandle, aMetadata );
+    // Using PushL because the object does not have any references yet
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+
+CNcdNodeContentInfoProxy::~CNcdNodeContentInfoProxy()
+    {
+    DLTRACEIN((""));
+    // Remove interfaces implemented by this class from the interface list.
+    // So, the interface list is up to date when this class object is deleted.
+    RemoveInterface( MNcdNodeContentInfo::KInterfaceUid );
+
+    delete iMimeType;
+    iMimeType = NULL;
+
+    delete iVersion;
+    iVersion = NULL;
+    }
+
+
+void CNcdNodeContentInfoProxy::InternalizeL()
+    {
+    DLTRACEIN((""));
+
+    HBufC8* data( NULL );
+        
+    // Because we do not know the exact size of the data, use
+    // the alloc method, which creates the buffer of the right size
+    // and sets the pointer to point to the created buffer.
+    // Get all the data that is necessary to internalize this object
+    // from the server side.
+    TInt error(
+        ClientServerSession().
+        SendSyncAlloc( NcdNodeFunctionIds::ENcdInternalize,
+                       KNullDesC8,
+                       data,
+                       Handle(),
+                       0 ) );
+
+    if ( error == KNcdErrorObsolete )
+        {
+        DLINFO(("Content info was obsolete"));
+        // Remove interfaces implemented by this class from the top parent interface list.
+        // So, the interface list is up to date after this object is removed
+        // from its top parent.
+        RemoveInterface( MNcdNodeContentInfo::KInterfaceUid );
+        // Remove from the parent
+        RemoveFromParent();
+        // Now update the interface for this object just in case somebody needs it.
+        // Register the interface
+        MNcdNodeContentInfo* interface( this );
+        AddInterfaceL( 
+            CCatalogsInterfaceIdentifier::NewL( interface, this, MNcdNodeContentInfo::KInterfaceUid ) );
+        }
+
+    // If error occurred during data transfer, leave here and forward the error.
+    User::LeaveIfError( error );
+
+    if ( data == NULL )
+        {
+        DLERROR((""));
+        User::Leave(  KErrNotFound );
+        }
+
+     CleanupStack::PushL( data );
+
+     // Read the data from the stream and insert it to the memeber variables
+     RDesReadStream stream( *data );
+     CleanupClosePushL( stream );
+    
+     InternalizeDataL( stream );
+    
+     // Closes the stream
+     CleanupStack::PopAndDestroy( &stream ); 
+     CleanupStack::PopAndDestroy( data );
+
+    DLTRACEOUT((""));    
+    }
+
+
+// MNcdNodeContentInfo functions
+    
+TUint CNcdNodeContentInfoProxy::Purpose() const
+    {
+    DLTRACEIN(( "iPurpose: %u", iPurpose ));
+    return iPurpose;
+    }
+
+const TDesC& CNcdNodeContentInfoProxy::MimeType() const
+    {
+    DASSERT( iMimeType );
+    return *iMimeType;
+    }
+
+TUid CNcdNodeContentInfoProxy::Uid() const
+    {
+    return iUid;
+    }
+
+const TDesC& CNcdNodeContentInfoProxy::Version() const
+    {
+    DASSERT( iVersion );
+    return *iVersion;
+    }
+
+TInt CNcdNodeContentInfoProxy::Size() const
+    {
+    return iSize;
+    }
+
+
+// Other functions
+
+void CNcdNodeContentInfoProxy::InternalizeDataL( RReadStream& aStream )
+    {
+    DLTRACEIN((""));
+
+    // First read the class id. Because, it is the first thing in the stream.
+    TInt classId( aStream.ReadInt32L() );
+    
+    if ( classId != NcdNodeClassIds::ENcdNodeContentInfoClassId )
+        {
+        // classId is not recognized
+        DLERROR(("Class id was not recognized!"));
+        // For testing purposes assert here
+        DASSERT( EFalse );
+        
+        // Otherwise leave is adequate
+        User::Leave( KErrCorrupt );
+        }
+
+    iPurpose = aStream.ReadUint16L();
+    DLINFO(( "Purpose: %u", iPurpose ));
+    
+    InternalizeDesL( iMimeType, aStream );    
+    DLINFO(( _L("Mime: %S"), iMimeType ));
+    
+    iUid.iUid = aStream.ReadInt32L();    
+    DLINFO(( "Uid: %x", iUid.iUid ));
+    
+    InternalizeDesL( iVersion, aStream );    
+    DLINFO(( _L("Version: %S"), iVersion ));
+
+    iSize = aStream.ReadInt32L();
+    DLINFO(( _L("Size: %d"), iSize ));
+    
+    DLTRACEOUT((""));
+    }