--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/client/src/ncdnodedependencyproxy.cpp Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,270 @@
+/*
+* Copyright (c) 2006-2008 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 CNcdNodeDependencyProxy class implementation
+*
+*/
+
+
+#include "ncdnodedependencyproxy.h"
+#include "ncdnodemetadataproxy.h"
+#include "ncdnodemanagerproxy.h"
+#include "ncdnodeproxy.h"
+#include "ncdnodedependencyinfoimpl.h"
+#include "ncddependencyinfo.h"
+#include "ncdoperationimpl.h"
+#include "ncddownloadoperationproxy.h"
+#include "ncdnodemanagerproxy.h"
+#include "catalogsclientserver.h"
+#include "ncdnodeidentifier.h"
+#include "ncdnodefunctionids.h"
+#include "ncdnodeclassids.h"
+#include "catalogsinterfaceidentifier.h"
+#include "ncdnodeidentifier.h"
+#include "catalogsutils.h"
+#include "catalogsdebug.h"
+#include "ncderrors.h"
+
+
+// ======== PUBLIC MEMBER FUNCTIONS ========
+
+CNcdNodeDependencyProxy::CNcdNodeDependencyProxy(
+ MCatalogsClientServer& aSession,
+ TInt aHandle,
+ CNcdNodeMetadataProxy& aMetadata )
+: CNcdInterfaceBaseProxy( aSession, aHandle, &aMetadata ),
+ iNodeManager( aMetadata.Node().NodeManager() )
+ {
+ }
+
+
+void CNcdNodeDependencyProxy::ConstructL()
+ {
+ // Register the interface
+ MNcdNodeDependency* interface( this );
+ AddInterfaceL(
+ CCatalogsInterfaceIdentifier::NewL( interface, this, MNcdNodeDependency::KInterfaceUid ) );
+
+ // Let the construction leave if we do not get the data from the server.
+ InternalizeL();
+ }
+
+
+CNcdNodeDependencyProxy* CNcdNodeDependencyProxy::NewL(
+ MCatalogsClientServer& aSession,
+ TInt aHandle,
+ CNcdNodeMetadataProxy& aMetadata )
+ {
+ CNcdNodeDependencyProxy* self =
+ CNcdNodeDependencyProxy::NewLC( aSession, aHandle, aMetadata );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+CNcdNodeDependencyProxy* CNcdNodeDependencyProxy::NewLC(
+ MCatalogsClientServer& aSession,
+ TInt aHandle,
+ CNcdNodeMetadataProxy& aMetadata )
+ {
+ CNcdNodeDependencyProxy* self =
+ new( ELeave ) CNcdNodeDependencyProxy( aSession, aHandle, aMetadata );
+ // Using PushL because the object does not have any references yet
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ return self;
+ }
+
+
+CNcdNodeDependencyProxy::~CNcdNodeDependencyProxy()
+ {
+ // 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( MNcdNodeDependency::KInterfaceUid );
+
+
+ // Delete member variables here
+ // Do not delete manager because
+ // this object does not own it.
+
+ // Casting is safe here because only this class creates the objects
+ // that are inserted into the array.
+ ResetAndDestroyWithCast<CNcdNodeDependencyInfo>( iDependencyTargets );
+ }
+
+
+CNcdNodeManagerProxy& CNcdNodeDependencyProxy::NodeManager() const
+ {
+ return iNodeManager;
+ }
+
+
+void CNcdNodeDependencyProxy::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(("Dependency 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( MNcdNodeDependency::KInterfaceUid );
+ // Remove from the parent
+ RemoveFromParent();
+ // Now update the interface for this object just in case somebody needs it.
+ // Register the interface
+ MNcdNodeDependency* interface( this );
+ AddInterfaceL(
+ CCatalogsInterfaceIdentifier::NewL( interface, this, MNcdNodeDependency::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((""));
+ }
+
+
+// MNcdNodeDependency functions
+
+const RPointerArray<MNcdNodeDependencyInfo>& CNcdNodeDependencyProxy::DependencyInfos() const
+ {
+ DLTRACEIN((""));
+ return iDependencyTargets;
+ }
+
+
+
+TNcdDependencyState CNcdNodeDependencyProxy::State() const
+ {
+ DLTRACEIN((""));
+ TNcdDependencyState totalState = ENcdDependencyInstalled;
+ for ( TInt i = 0; i < iDependencyTargets.Count(); ++i )
+ {
+ if ( iDependencyTargets[i]->State() < totalState )
+ {
+ DLTRACE(("Downgrading state from %d to %d",
+ totalState, iDependencyTargets[i]->State() ));
+ totalState = iDependencyTargets[i]->State();
+ }
+ }
+ DLTRACEOUT(("Total state: %d", totalState ));
+ return totalState;
+ }
+
+
+// Other functions
+
+void CNcdNodeDependencyProxy::InternalizeDataL( RReadStream& aStream )
+ {
+ DLTRACEIN((""));
+
+ // Use catalogsutils.h functions to internalize
+ // memebervariables according to the data received
+ // from the server.
+ // Make sure that the variables are set here in the same
+ // order as they are externalized in the server side.
+ // Small mistake here messes up everything!
+
+ // First read the class id. Because, it is the first thing in the stream.
+ TInt classId( aStream.ReadInt32L() );
+
+ if ( classId != NcdNodeClassIds::ENcdNodeDependencyClassId )
+ {
+ // classId is not recognized
+ DLERROR(("Class id was not recognized!"));
+ // For testing purposes assert here
+ DASSERT( EFalse );
+
+ // Otherwise leave is adequate
+ User::Leave( KErrCorrupt );
+ }
+
+ InternalizeDependencyArrayL( aStream );
+
+ DLTRACEOUT((""));
+ }
+
+
+void CNcdNodeDependencyProxy::InternalizeDependencyArrayL( RReadStream& aStream )
+ {
+ DLTRACEIN((""));
+
+ // Casting is safe here because only this class creates the objects
+ // that are inserted into the array.
+ ResetAndDestroyWithCast<CNcdNodeDependencyInfo>( iDependencyTargets );
+
+ // First get the node dependency information that is sent from the server
+ // and then convert it to the proxy side dependency information object
+ // that is inserted into the array.
+ TInt count( aStream.ReadInt32L() );
+ CNcdDependencyInfo* dependencyInfo( NULL );
+ CNcdNodeDependencyInfo* info( NULL );
+ for( TInt i = 0; i < count; ++i )
+ {
+ dependencyInfo = CNcdDependencyInfo::NewLC( aStream );
+ info = CNcdNodeDependencyInfo::NewLC( *dependencyInfo, NodeManager() );
+ iDependencyTargets.AppendL( info );
+ // Ownership was transferred to the array
+ CleanupStack::Pop( info );
+ CleanupStack::PopAndDestroy( dependencyInfo );
+ }
+
+ // Second get the content dependency information
+ count = aStream.ReadInt32L();
+ dependencyInfo = NULL;
+ info = NULL;
+ for( TInt i = 0; i < count; ++i )
+ {
+ dependencyInfo = CNcdDependencyInfo::NewLC( aStream );
+ info = CNcdNodeDependencyInfo::NewLC( *dependencyInfo, NodeManager() );
+ iDependencyTargets.AppendL( info );
+ CleanupStack::Pop( info );
+ CleanupStack::PopAndDestroy( dependencyInfo );
+ }
+
+ DLTRACEOUT((""));
+ }