--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtuis/videotelui/src/cvtuiappshutter.cpp	Wed Sep 01 12:29:12 2010 +0100
@@ -0,0 +1,257 @@
+/*
+* Copyright (c) 2007 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:  Class responsible for application exit.
+*
+*/
+
+
+#include "cvtuiappshutter.h"
+#include "mvtuishutterobserver.h"
+#include "mvtuistatecontext.h"
+#include "mvtuinumbersource.h"
+#include "tvtuilocalvariation.h"
+#include <cvtlogger.h>
+#include <eikenv.h>
+#include <AknUtils.h>
+#include <aknnotewrappers.h>
+#include <StringLoader.h>
+
+// singleton instance
+static CVtUiAppShutter* iAppShutter = NULL;
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::InstanceL
+// -----------------------------------------------------------------------------
+//
+CVtUiAppShutter* CVtUiAppShutter::InstanceL(
+    MVtUiShutterObserver& aObserver )
+    {
+    __VTPRINTENTER( "CVtUiAppShutter.InstanceL" )
+    if ( iAppShutter == NULL )
+        {
+        iAppShutter = new ( ELeave )
+            CVtUiAppShutter( aObserver );
+        }
+    __VTPRINTEXIT( "CVtUiAppShutter.InstanceL" )
+    return iAppShutter;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::CVtUiAppShutter
+// -----------------------------------------------------------------------------
+//
+CVtUiAppShutter::CVtUiAppShutter(
+    MVtUiShutterObserver& aObserver ) :
+    iPendingStateFlags( 0 ),
+    iObserver( aObserver )
+    {
+    iPendingStateFlags.Set( EShutterWaitingStart );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::~CVtUiAppShutter
+// -----------------------------------------------------------------------------
+//
+CVtUiAppShutter::~CVtUiAppShutter()
+    {
+    __VTPRINTENTER( "CVtUiAppShutter.~" )
+    // mark singleton null
+    iAppShutter = NULL;
+    delete iCallback;
+    __VTPRINTEXIT( "CVtUiAppShutter.~" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::StartShutdown
+// Called when application may exit, i.e TVtUiStateResetting state receives
+// ShutdownDoneL message.
+// -----------------------------------------------------------------------------
+//
+void CVtUiAppShutter::StartShutdown()
+    {
+    __VTPRINTENTER( "CVtUiAppShutter.StartShutdown" )
+    iPendingStateFlags.Clear( EShutterWaitingStart );
+    ShutdownIfReadyAndDestroy();
+    __VTPRINTEXITR( "CVtUiAppShutter.StartShutdown flags %d",
+        iPendingStateFlags.Value() )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::ShutdownWithEmergencyCallL
+// -----------------------------------------------------------------------------
+//
+void CVtUiAppShutter::ShutdownWithEmergencyCallL(
+    MVtUiStateContext& aStateContext )
+    {
+    // Leaves if other than emergency number is supplied...
+    CEmergencyCaller* emergency = CEmergencyCaller::DialEmergencyL( *this,
+        aStateContext );
+    // therefore the flag and member variable must not be set before above call.
+    iPendingStateFlags.Set( EShutterWaitingEmergencyCallback );
+    iEmergencyCaller = emergency;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::EmergencyCallDoneL
+// -----------------------------------------------------------------------------
+//
+void CVtUiAppShutter::EmergencyCallDoneL()
+    {
+    // Destruction of emergency handler is done asynchrounously to avoid
+    // problems that might
+    iPendingStateFlags.Clear( EShutterWaitingEmergencyCallback );
+    TCallBack cb( EmergencyResponseCallback, this );
+    EnqueCallbackL( cb );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::EmergencyResponseCallback
+// -----------------------------------------------------------------------------
+//
+TInt CVtUiAppShutter::EmergencyResponseCallback( TAny* aAny )
+    {
+    CVtUiAppShutter* shutter =
+        reinterpret_cast<CVtUiAppShutter*>( aAny );
+    // delete callback
+    delete shutter->iCallback;
+    shutter->iCallback = NULL;
+    // delete emergency caller
+    delete shutter->iEmergencyCaller;
+    shutter->iEmergencyCaller = NULL;
+
+    shutter->ShutdownIfReadyAndDestroy();
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::EnqueCallbackL
+// -----------------------------------------------------------------------------
+//
+void CVtUiAppShutter::EnqueCallbackL( TCallBack& aCallback )
+    {
+    __VTPRINTENTER( "CVtUiAppShutter.EnqueAsyncCommsCommandL" )
+    if ( !iCallback )
+        {
+        iCallback = new ( ELeave ) CAsyncCallBack( aCallback, EPriorityHigh );
+        }
+    iCallback->Call();
+    __VTPRINTEXIT( "CVtUiAppShutter.EnqueAsyncCommsCommandL" )
+    __VTPRINTEXIT( "CVtUiAppShutter.EnqueCallbackL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::ShutdownIfReadyAndDestroy
+// -----------------------------------------------------------------------------
+//
+void CVtUiAppShutter::ShutdownIfReadyAndDestroy()
+    {
+    __VTPRINTENTER( "CVtUiAppShutter.ShutdownIfReadyAndDestroy" )
+    __VTPRINT2( DEBUG_GEN, "  shutter flags %d",
+        iPendingStateFlags.Value() );
+    if ( !iPendingStateFlags.Value() )
+        {
+        iObserver.HandleShutdownReady();
+        delete this;
+        }
+    __VTPRINTEXIT( "CVtUiAppShutter.ShutdownIfReadyAndDestroy" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::CEmergencyCaller::DialEmergencyL
+// -----------------------------------------------------------------------------
+//
+CVtUiAppShutter::CEmergencyCaller* CVtUiAppShutter::CEmergencyCaller::
+    DialEmergencyL(
+    CVtUiAppShutter& aObserver,
+    MVtUiStateContext& aStateContext )
+    {
+    __VTPRINTENTER( "CEmergencyCaller.DialEmergencyL" )
+    CVtUiAppShutter::CEmergencyCaller* self = new ( ELeave )
+        CVtUiAppShutter::CEmergencyCaller( aObserver, aStateContext );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    __VTPRINTEXIT( "CEmergencyCaller.DialEmergencyL" )
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::CEmergencyCaller::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CVtUiAppShutter::CEmergencyCaller::ConstructL()
+    {
+    __VTPRINTENTER( "CEmergencyCaller.ConstructL" )
+    const MVtUiNumberSource* source = iStateContext.NumberSource();
+    if ( source )
+        {
+        source->GetContents( iNumber );
+        AknTextUtils::ConvertDigitsTo( iNumber, EDigitTypeWestern );
+        User::LeaveIfError( iServer.Connect() );
+    	iEmergency = CPhCltEmergencyCall::NewL( this );
+        TBool isEmergenyNumber = EFalse;
+        const TInt err =
+        	iEmergency->FindEmergencyPhoneNumber( iNumber, isEmergenyNumber );
+
+        if ( err == KErrNone && isEmergenyNumber )
+            {
+            __VTPRINT( DEBUG_GEN, "iEmergency->DialEmergencyCallL")
+            iEmergency->DialEmergencyCallL( iNumber );
+            }
+        if ( !isEmergenyNumber || err )
+            {
+            __VTPRINT( DEBUG_GEN, "  not EC number => leave" )
+            // Not an emergency call number. Abort emergency call process.
+            User::Leave( KErrArgument );
+            }
+        }
+    __VTPRINTEXIT( "CEmergencyCaller.ConstructL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::CEmergencyCaller::CEmergencyCaller
+// -----------------------------------------------------------------------------
+//
+CVtUiAppShutter::CEmergencyCaller::CEmergencyCaller(
+    CVtUiAppShutter& aObserver,
+    MVtUiStateContext& aStateContext ) :
+    iObserver( aObserver ),
+    iStateContext( aStateContext )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::CEmergencyCaller::~CEmergencyCaller
+// -----------------------------------------------------------------------------
+//
+CVtUiAppShutter::CEmergencyCaller::~CEmergencyCaller()
+    {
+    __VTPRINTENTER( "CEmergencyCaller.~" )
+    delete iEmergency;
+    iServer.Close();
+    __VTPRINTEXIT( "CEmergencyCaller.~" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtUiAppShutter::CEmergencyCaller::HandleEmergencyDialL
+// -----------------------------------------------------------------------------
+//
+void CVtUiAppShutter::CEmergencyCaller::HandleEmergencyDialL(
+    const TInt )
+    {
+    __VTPRINTENTER( "CEmergencyCaller.HandleEmergencyDialL" )
+    iObserver.EmergencyCallDoneL();
+    __VTPRINTEXIT( "CEmergencyCaller.HandleEmergencyDialL" )
+    }
+