--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/dlgsrc/AknMediatorFacade.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,248 @@
+/*
+* Copyright (c) 2002-2004 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:   
+*
+*/
+
+#include <eikenv.h>
+#include <eikappui.h>
+#include <eikapp.h>
+#include <coedef.h>
+#include <MediatorDomainUIDs.h>
+#include <SecondaryDisplay/AknSecondaryDisplayDefs.h>
+
+#include "AknMediatorFacade.h" 
+#include "AknMediatorObserver.h"
+
+const TInt KBufferGranularity = 128; // quite big, perhaps
+
+EXPORT_C CAknMediatorFacade* CAknMediatorFacade::NewL(CEikDialog* aDialog)
+    {
+    CAknMediatorFacade* me = new (ELeave) CAknMediatorFacade(aDialog);
+    CleanupStack::PushL(me);
+    me->ConstructL();
+    CleanupStack::Pop();
+    return me;
+    }
+
+EXPORT_C CAknMediatorFacade* AknMediatorFacade(const MObjectProvider* aMop)
+    {
+    CAknMediatorFacade* caps = NULL;
+    if( aMop ) 
+        {
+        const_cast<MObjectProvider*>(aMop)->MopGetObject( caps );
+        }    
+
+    return caps;
+    }
+
+void CAknMediatorFacade::ConstructL()
+    {
+    iCommander = CMediatorCommandInitiator::NewL(this);
+    iUpdater = CMediatorEventConsumer::NewL(this);
+    iBuf = CBufFlat::NewL(KBufferGranularity);    
+    iStream.Open(*iBuf);
+    }
+
+EXPORT_C void CAknMediatorFacade::IssueCommand()
+    {
+    if (iDialogIndex == 0)
+        return;
+    
+    __ASSERT_DEBUG(iDialogIndex != KErrNotFound, User::Invariant());
+    if (iAppUid == KNullUid)
+        {
+        iAppUid = ((CEikAppUi*)CEikonEnv::Static()->AppUi())->Application()->AppDllUid();
+        }
+
+    // ingnore return value, if this fails we have no feed back channel from cover.
+    iUpdater->SubscribeEvent( KMediatorSecondaryDisplayDomain, 
+                              iAppUid,
+                              iDialogIndex,
+                              TVersion(0,0,0));
+
+    // we don't care this return value either.
+    iCommander->IssueCommand( KMediatorSecondaryDisplayDomain, 
+                              iAppUid,
+                              iDialogIndex,
+                              TVersion(0,0,0),
+                              iBuf->Ptr(0));
+
+
+
+    }
+    
+EXPORT_C void CAknMediatorFacade::CancelCommand()
+    {
+    if (iDialogIndex == 0)
+        {
+        return;        
+        }
+    
+    if (iUpdater)
+        {
+        iUpdater->UnsubscribeEvent( KMediatorSecondaryDisplayDomain, 
+                                    iAppUid,
+                                    iDialogIndex);        
+        }
+        
+    if (iCommander)
+        {
+        iCommander->CancelCommand( KMediatorSecondaryDisplayDomain, 
+                              iAppUid,
+                              iDialogIndex);
+        }
+    }
+    
+EXPORT_C void CAknMediatorFacade::ResetBuffer()
+    {
+    iStream.Release();
+    iBuf->Reset();
+    iStream.Open(*iBuf);
+    }
+
+EXPORT_C void CAknMediatorFacade::SetObserver(MAknDialogMediatorObserver* aObserver)
+    {
+    iExternalObserver = aObserver;
+    }
+
+CAknMediatorFacade::~CAknMediatorFacade()
+    {
+    if(iExternalObserver)
+        {
+        iExternalObserver->NotifyMediatorExit();
+        }
+    // as mediator does not cancel all functionality related to session to be terminated
+    // cancel commands manually  
+    CancelCommand();
+    
+    // These will cancel remaining active requests in destructor.    
+    delete iCommander;
+    delete iUpdater;
+    delete iUpdateToCover;
+    
+    iStream.Close();
+    delete iBuf;
+    }
+
+void CAknMediatorFacade::MediatorEventL( TUid aDomain,
+                         TUid aCategory, 
+                         TInt aEventId, 
+                         const TDesC8& aData )
+    {
+    TAknDialogMediatorObserverCommand cmd = EHandleAsNormal;
+
+    if (iExternalObserver)
+        {
+        cmd = iExternalObserver->MediatorCommandL( aDomain, aCategory, 
+                                           aEventId, aData );    
+        }
+
+    HandleCommandL(cmd, aData); 
+    }
+
+void CAknMediatorFacade::CommandResponseL( TUid aDomain,
+                           TUid aCategory, 
+                           TInt aCommandId,
+                           TInt aStatus, 
+                           const TDesC8& aData )
+    {
+    if (aStatus == KErrNone)
+        {
+        TAknDialogMediatorObserverCommand cmd = EHandleAsNormal;
+
+        if (iExternalObserver)
+            {
+            cmd = iExternalObserver->MediatorCommandL( aDomain, aCategory, 
+                                               aCommandId, aData );    
+            }
+        HandleCommandL(cmd, aData);
+        }
+    }
+
+CAknMediatorFacade::CAknMediatorFacade(CEikDialog* aDialog)
+    :iDialogIndex(KErrNotFound),iDialog(aDialog) 
+    {
+    __ASSERT_ALWAYS(iDialog, User::Invariant());
+    }
+
+void CAknMediatorFacade::HandleCommandL(TAknDialogMediatorObserverCommand aCmd, const TDesC8& aData)
+    {
+    switch (aCmd)
+        {   
+    case EAcceptDialog:
+        {
+        iDialog->TryExitL(EEikBidOk); // simulates selection key
+        break;
+        }
+    case ECancelDialog:
+        {
+        iDialog->TryExitL(EEikBidCancel);
+        break;
+        }
+    case EHandleAsNormal:
+        {
+        ProcessDataL( aData );
+        } // fall through
+    case EDoNothingWithThisCommand:
+    default:
+        break;
+
+        }
+
+    }
+
+void CAknMediatorFacade::ProcessDataL( const TDesC8& aData )
+    {
+    if (aData.Length() >= 4)
+        {
+        SAknDialogFeedback* key = (SAknDialogFeedback*)aData.Ptr();
+
+        TInt dialogCommand =  key->iCommandId; // four bytes of data
+
+        if (dialogCommand == KAknMediatorFacade  // for bc though nobody should use this
+            || dialogCommand == EAknDialogFeedback)
+            {
+            TKeyResponse kresp = EKeyWasNotConsumed;
+            if (iDialog->ButtonGroupContainer().ButtonGroup() )
+                {
+                kresp = iDialog->ButtonGroupContainer().ButtonGroup()->AsControl()->OfferKeyEventL(key->iKey, EEventKey);
+                }
+            if (kresp != EKeyWasConsumed)
+                {
+                iDialog->OfferKeyEventL(key->iKey, EEventKey); // all we can do
+                }
+            }
+        }
+    }
+    
+EXPORT_C void CAknMediatorFacade::PostUpdatedDataL(TInt aEventId)
+    {
+    if (iAppUid == KNullUid)
+        return; // no commands have been sent before, ignore update event
+    
+    if (!iUpdateToCover)
+        {
+        iUpdateToCover = CMediatorEventProvider::NewL();
+        }
+        
+    iUpdateToCover->RaiseEvent( KMediatorSecondaryDisplayDomain,
+                           iAppUid, 
+                           aEventId!=0?aEventId:iDialogIndex+KAknMediatorUpdateChannelOffset,
+                           TVersion(0,0,0), 
+                           iBuf->Ptr(0));
+    }
+
+// end of file
+