--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/ServerCore/Src/alfsrvcontrolgroupsubsession.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,291 @@
+/*
+* 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:   Control group sub session
+*
+*/
+
+
+
+#include "alfsrvcontrolgroupsubsession.h"
+#include "alf/alfconstants.h"
+#include "alf/alfappsrvsessionbase.h"
+#include "alfappsrvsession.h"
+#include "alfscreen.h" // EAlfSessionContainer
+#include "alfsrvtransformationsubsession.h"
+#include <uiacceltk/HuiEnv.h>
+#include <uiacceltk/HuiControl.h>
+#include <uiacceltk/HuiControlGroup.h>
+#include <uiacceltk/HuiDisplay.h>
+#include <uiacceltk/HuiDeckLayout.h>
+
+// host control
+
+NONSHARABLE_CLASS( CAlfSrvHostControl ) : public CHuiControl
+    {
+public:
+    CAlfSrvHostControl(CHuiEnv& aEnv) : CHuiControl(aEnv) {}
+    CHuiLayout* ContainerLayout(const CHuiControl* aConnected) const;
+    };
+    
+   
+CHuiLayout* CAlfSrvHostControl::ContainerLayout(const CHuiControl* /*aConnected*/) const
+    {
+    if ( VisualCount() )
+        {
+        return static_cast<CHuiLayout*>(&Visual(0)); 
+        }
+    return NULL;
+    }
+    
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CAlfSrvControlGroupSubSession::CAlfSrvControlGroupSubSession( 
+    CAlfAppSrvSessionBase& aSession,
+    TInt aId )
+    : CAlfSrvSubSessionBase( aSession ), iId( aId ) 
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// 2nd phasse constructor
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvControlGroupSubSession::ConstructL()
+    {
+    CAlfSrvSubSessionBase::ConstructL();
+    
+    iControlGroup = &Session().SharedHuiEnv()->NewControlGroupL( 
+        reinterpret_cast<TInt>(this) );
+        
+    iHostControl = new (ELeave) CAlfSrvHostControl( *Session().SharedHuiEnv() );
+    iHostControl->ConstructL();
+    iHostControl->SetRole(EAlfSessionContainer);
+        
+    CHuiLayout* sessionContainer = CHuiDeckLayout::AddNewL( *iHostControl, NULL );
+    sessionContainer->SetFlags( EHuiVisualFlagManualLayout );
+    sessionContainer->SetTagL( _L8("Session container") );
+    sessionContainer->SetSize( Session().ClientDrawingArea().Size() );
+    sessionContainer->SetPos( Session().ClientDrawingArea().iTl );
+        
+    iControlGroup->AppendL( iHostControl );
+    }
+
+
+// ---------------------------------------------------------------------------
+// NewL
+// ---------------------------------------------------------------------------
+//
+CAlfSrvControlGroupSubSession* CAlfSrvControlGroupSubSession::NewL( 
+    CAlfAppSrvSessionBase& aSession,
+    TInt aId )
+    {
+    CAlfSrvControlGroupSubSession* self = 
+        CAlfSrvControlGroupSubSession::NewLC( aSession, aId );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// NewLC
+// ---------------------------------------------------------------------------
+//
+CAlfSrvControlGroupSubSession* CAlfSrvControlGroupSubSession::NewLC( 
+    CAlfAppSrvSessionBase& aSession,
+    TInt aId )
+    {
+    CAlfSrvControlGroupSubSession* self = 
+        new( ELeave ) CAlfSrvControlGroupSubSession( aSession, aId );
+    CleanupClosePushL( *self );
+    self->ConstructL();
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CAlfSrvControlGroupSubSession::~CAlfSrvControlGroupSubSession()
+    {
+    // Hide the control group from the display
+    CHuiDisplay* display = Session().SharedHuiEnv()->DisplayCount() ? 
+                                &Session().SharedHuiEnv()->PrimaryDisplay() : 
+                                NULL ;
+    if ( display )
+        {
+        display->Roster().Hide( ControlGroup() );
+        }
+
+    Session().SharedHuiEnv()->DeleteControlGroup( reinterpret_cast<TInt>(this) );
+    
+    iControlGroup = NULL;
+    iHostControl = NULL;
+    }
+
+// ---------------------------------------------------------------------------
+// Gets control group
+// ---------------------------------------------------------------------------
+//
+CHuiControlGroup& CAlfSrvControlGroupSubSession::ControlGroup()
+    {
+    return *iControlGroup;
+    }
+
+// ---------------------------------------------------------------------------
+// Is control group shown
+// ---------------------------------------------------------------------------
+//
+TBool CAlfSrvControlGroupSubSession::IsShown() const
+    {
+    return iIsShown;
+    }
+
+// ---------------------------------------------------------------------------
+// Set if the control group is shown
+// ---------------------------------------------------------------------------
+//    
+void CAlfSrvControlGroupSubSession::SetIsShown( TBool aShown )
+    {
+    iIsShown = aShown;
+    }
+    
+// ---------------------------------------------------------------------------
+// Append control
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvControlGroupSubSession::AppendL( 
+    const RMessage2& aMessage )
+    {    
+    // Parse parameters
+
+    CHuiControl* control = static_cast<CHuiControl*>
+        ( Session().GetInterfaceL(EHuiObjectTypeControl, aMessage.Int1()) );
+    
+    // Set host        
+    control->SetHostId( iHostControl->Id() );
+        
+    // Append control
+    ControlGroup().AppendL(control);
+
+    // Complete
+    aMessage.Complete( KErrNone );
+    }
+ 
+ // ---------------------------------------------------------------------------
+// Remove control
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvControlGroupSubSession::RemoveL( 
+    const RMessage2& aMessage )
+    {    
+    // Parse parameters
+
+    CHuiControl* control = static_cast<CHuiControl*>
+        ( Session().GetInterfaceL(EHuiObjectTypeControl, aMessage.Int1()));
+            
+    // Append control
+    TInt err = ControlGroup().Remove(control);
+
+    // Complete
+    aMessage.Complete( err );
+    }
+ 
+// ---------------------------------------------------------------------------
+// Enables transformation
+// ---------------------------------------------------------------------------
+//
+void CAlfSrvControlGroupSubSession::EnableTransformationL( 
+    const RMessage2& aMessage )
+    {
+    // Parser parameters
+    
+    // 1: is transformed (in)
+    const TBool isTransformed = aMessage.Int1();
+    
+    // 2: transformation handle (in)
+    const TInt transHandle = aMessage.Int2();
+    CAlfSrvSubSessionBase& subSession = Session().SubSession( transHandle );
+    CAlfSrvTransformationSubSession& transformationSubSession = 
+        static_cast<CAlfSrvTransformationSubSession&>(subSession);
+    
+    // Enable transformation
+    ControlGroup().EnableTransformationL( isTransformed );
+    CHuiTransformation* transformation = NULL;
+    if ( isTransformed )
+        {
+        transformation = &ControlGroup().Transformation();
+        }
+    transformationSubSession.SetTransformation( transformation );
+    
+    // Complete
+    aMessage.Complete( KErrNone );
+    }
+   
+// ---------------------------------------------------------------------------
+// From CAlfSrvSubSessionBase
+// Process the message.
+// ---------------------------------------------------------------------------
+// 
+void CAlfSrvControlGroupSubSession::DoProcessMessageL(const RMessage2& aMessage)
+    {
+    switch( aMessage.Int0() )
+        {
+        case EAlfControlGroupAppend:
+            {
+            AppendL( aMessage );
+            break;
+            }
+        
+        case EAlfControlGroupRemove:
+            {
+            RemoveL( aMessage );
+            break;
+            }
+            
+        case EAlfControlGroupEnableTransformation:
+            {
+            EnableTransformationL( aMessage );
+            break;
+            }
+        case EAlfControlGroupSubSessionClose: // obsolete
+            {
+            Session().CloseSubSession( aMessage );
+            break;
+            }
+        default:
+            CAlfSrvSubSessionBase::DoProcessMessageL( aMessage );
+            break;
+        }
+    }
+
+
+CHuiControlGroup* CAlfSrvControlGroupSubSession::AsHuiControlCroup()
+    {
+    return iControlGroup;
+    }
+
+TInt& CAlfSrvControlGroupSubSession::PreferredPos()
+    {
+    return iPrefrerredPos;
+    }
+    
+ 
+