--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/client/src/ncdnodeiconproxy.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,276 @@
+/*
+* 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 CNcdNodeIconProxy class implementation
+*
+*/
+
+
+#include "ncdnodeiconproxy.h"
+#include "ncdnodeproxy.h"
+#include "ncdnodemetadataproxy.h"
+#include "ncdoperationimpl.h"
+#include "ncddownloadoperationproxy.h"
+#include "ncdoperationmanagerproxy.h"
+#include "ncdoperationdatatypes.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 ========
+
+CNcdNodeIconProxy::CNcdNodeIconProxy(
+    MCatalogsClientServer& aSession,
+    TInt aHandle,
+    CNcdNodeMetadataProxy& aMetadata )
+: CNcdInterfaceBaseProxy( aSession, aHandle, &aMetadata ),
+  iMetadata( aMetadata )
+    {
+    }
+
+
+void CNcdNodeIconProxy::ConstructL()
+    {
+    // Register the interface
+    MNcdNodeIcon* icon( this );
+    AddInterfaceL( 
+        CCatalogsInterfaceIdentifier::NewL( icon, this, MNcdNodeIcon::KInterfaceUid ) );
+    // Let this leave if internalization fails.
+    InternalizeL();
+    }
+
+
+CNcdNodeIconProxy* CNcdNodeIconProxy::NewL(
+    MCatalogsClientServer& aSession,
+    TInt aHandle,
+    CNcdNodeMetadataProxy& aMetadata )
+    {
+    CNcdNodeIconProxy* self = 
+        CNcdNodeIconProxy::NewLC( aSession, aHandle, aMetadata );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+CNcdNodeIconProxy* CNcdNodeIconProxy::NewLC(
+    MCatalogsClientServer& aSession,
+    TInt aHandle,
+    CNcdNodeMetadataProxy& aMetadata )
+    {
+    CNcdNodeIconProxy* self = 
+        new( ELeave ) CNcdNodeIconProxy( aSession, aHandle, aMetadata );
+    // Using PushL because the object does not have any references yet
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+
+CNcdNodeIconProxy::~CNcdNodeIconProxy()
+    {
+    // 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( MNcdNodeIcon::KInterfaceUid );
+
+    delete iIconId;
+    iIconId = NULL;
+    }
+
+
+CNcdNodeMetadataProxy& CNcdNodeIconProxy::MetadataL() const
+    {
+    DLTRACEIN((""));
+
+    if( IsObsolete() )
+        {
+        DLERROR(("Icon is obsolete. Metadata may not exist."));
+        User::Leave( KNcdErrorObsolete );
+        }        
+
+    DLTRACEOUT((""));
+    
+    return iMetadata;
+    }
+
+
+void CNcdNodeIconProxy::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.
+    TInt error(
+        ClientServerSession().
+        SendSyncAlloc( NcdNodeFunctionIds::ENcdInternalize,
+                       KNullDesC8,
+                       data,
+                       Handle(),
+                       0 ) );
+
+    if ( error == KNcdErrorObsolete )
+        {
+        DLINFO(("Icon was obsolete"));
+        SetObsolete( ETrue );
+        // 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( MNcdNodeIcon::KInterfaceUid );
+        // Remove from the parent
+        RemoveFromParent();
+        // Now update the interface for this object just in case somebody needs it.
+        // Register the interface
+        MNcdNodeIcon* interface( this );
+        AddInterfaceL( 
+            CCatalogsInterfaceIdentifier::NewL( interface, this, MNcdNodeIcon::KInterfaceUid ) );
+        }
+    else
+        {
+        // Just in case it was some times obsolete but not anymore
+        SetObsolete( EFalse );
+        }
+
+    // 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 member variables.
+    RDesReadStream stream( *data );
+    CleanupClosePushL( stream );
+
+    InternalizeDataL( stream );
+
+    // Closes the stream
+    CleanupStack::PopAndDestroy( &stream ); 
+    CleanupStack::PopAndDestroy( data );
+
+    DLTRACEOUT((""));    
+    }
+
+
+// MNcdNodeIcon functions
+    
+const TDesC& CNcdNodeIconProxy::IconId() const
+    {
+    DLTRACEIN(("iIconId=%X",iIconId));
+    if ( iIconId ) 
+        {        
+        return *iIconId;        
+        }
+    return KNullDesC();
+    }
+
+const TDesC& CNcdNodeIconProxy::IconMimeType() const
+    {
+    DLTRACEIN((""));
+    // NOTE: Currently protocol does not offer mime type!
+    return KNullDesC;
+    }
+
+MNcdDownloadOperation* CNcdNodeIconProxy::LoadIconL(
+    MNcdDownloadOperationObserver* aObserver )
+    {
+    DLTRACEIN((""));
+
+    CNcdDownloadOperationProxy* download =
+        MetadataL().Node().OperationManager().
+        CreateDownloadOperationL(
+            ENcdIconDownload,
+            MetadataL().Node(),
+            *iIconId,
+            aObserver );
+            
+    DLTRACEOUT((""));
+    
+    return download;
+    }
+
+HBufC8* CNcdNodeIconProxy::IconDataL()
+    {
+    HBufC8* iconData( NULL );
+        
+    // Because we do not know the exact size of the data id, use
+    // the alloc method, which creates the buffer of the right size
+    // and sets the pointer to point to the created buffer.
+    User::LeaveIfError(
+            ClientServerSession().
+                SendSyncAlloc( NcdNodeFunctionIds::ENcdIconData,
+                               KNullDesC8,
+                               iconData,
+                               Handle(),
+                               0 ) );
+    
+    if ( iconData && iconData->Length() == 0 )
+        {
+        // If icon data does not contain any data, return NULL.
+        delete iconData;
+        return NULL;
+        }
+    DLTRACE(( _L("Icon data length: %d for id: %S"), iconData->Length(),
+        &IconId() ));
+    return iconData;
+    }
+
+
+// Other functions
+
+TBool CNcdNodeIconProxy::IsObsolete() const
+    {
+    return iObsolete;
+    }
+
+void CNcdNodeIconProxy::SetObsolete( TBool aObsolete )
+    {
+    iObsolete = aObsolete;
+    }
+
+
+void CNcdNodeIconProxy::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::ENcdNodeIconClassId )
+        {
+        // classId is not recognized
+        DLERROR(("Class id was not recognized!"));
+        // For testing purposes assert here
+        DASSERT( EFalse );
+        
+        // Otherwise leave is adequate
+        User::Leave( KErrCorrupt );
+        }
+
+
+    // Get the icon id from the stream.
+    InternalizeDesL( iIconId, aStream );
+    DLINFO(( _L("iIconId=%S"),iIconId));
+
+    DLTRACEOUT((""));
+    }