vtuis/videotelui/src/tvtuistatestarting.cpp
changeset 0 ed9695c8bcbe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtuis/videotelui/src/tvtuistatestarting.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,310 @@
+/*
+* Copyright (c) 2007 - 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:  waiting details application state
+*
+*/
+
+
+#include "tvtuistates.h"
+#include "tvtuiappstates.h"
+#include "mvtuistatecontext.h"
+#include "videotelui.hrh"
+#include "cvtuiappshutter.h"
+#include <cvtlogger.h>
+#include <vtengevents.h>
+#include <vtengcommands.h>
+#include <cvtengmodel.h>
+#include <mvtengsessioninfo.h>
+
+
+TVtUiStateStarting* TVtUiStateStarting::iInstance = NULL;
+
+// c++ constructor
+TVtUiStateStarting::TVtUiStateStarting(
+    MVtUiStateContext& aCtx, TVtUiStates& aUiStates ) 
+    : TVtUiAppStateBase( aCtx, aUiStates )
+    {
+    iPreconditions.Set( EWaitingCLI );
+    iPreconditions.Set( EWaitingPhase1ToComplete );
+    }
+
+// Destructor
+TVtUiStateStarting::~TVtUiStateStarting()
+    {
+    delete iStartCallback;
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::InstanceL
+//
+// -----------------------------------------------------------------------------
+//
+TVtUiStateStarting * TVtUiStateStarting::InstanceL(
+    MVtUiStateContext& aCtx, TVtUiStates& aUiStates )
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.InstanceL" )
+    if ( iInstance == NULL )
+        {
+        iInstance = new ( ELeave ) TVtUiStateStarting( aCtx, aUiStates );
+        }
+    __VTPRINTEXIT( "TVtUiStateStarting.InstanceL" )
+    return iInstance;
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::AppUiStartupPhase1DoneL
+//
+// Phase 1 of application startup is completed, check if we can proceed to
+// phase 2.
+// -----------------------------------------------------------------------------
+//
+void TVtUiStateStarting::AppUiStartupPhase1DoneL()
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.AppUiStartupPhase1DoneL" )
+    // From startup phase point of view we're ready to proceed
+    // to phase 2. Clear that precondition and proceed if otherwise ready.
+    CheckPhase2StartupL( EWaitingPhase1ToComplete );
+    __VTPRINTEXIT( "TVtUiStateStarting.AppUiStartupPhase1DoneL" )
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::AppUiStartupPhase2DoneL
+//
+// -----------------------------------------------------------------------------
+//
+void TVtUiStateStarting::AppUiStartupPhase2DoneL()
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.AppUiStartupPhase2DoneL" )
+    // Phase 2 completed, proceed to next state
+    ChangeStateL( *TVtUiStateRunning::InstanceL( iCtx, iUiStates ) );
+    __VTPRINTEXIT( "TVtUiStateStarting.AppUiStartupPhase2DoneL" )
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::HandleVtEventL
+//
+// -----------------------------------------------------------------------------
+//
+TVtUiAppStateBase::TEventResponse TVtUiStateStarting::HandleVtEventL(
+    const TInt aEvent )
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.HandleVtEventL" )
+    TEventResponse handled = EEventHandled;
+    switch ( aEvent )
+        {
+    case KVtEngRemoteDisconnect:
+        // base class handles this.
+        handled = TVtUiAppStateBase::HandleVtEventL( aEvent );
+        break;
+    case KVtEngSessionStateChanged:
+        {
+        // check if session state is proper for proceeding to next phase
+        // in startup.
+        CheckSessionStateL();
+        }
+        break;
+    case KVtEngRemoteVideoStarted:
+        // allow to start remote video rendering
+    case KVtEngSourceChanged:
+        // allow handling of source changed event
+        handled = EEventNotHandled; 
+        break;
+    case KVtEngCLIAvailable:
+        HandleCLIReceivedL();
+        break;
+        
+    case KVtEngRemoteUIIIA5StringSupport:
+        break;
+    case KVtEngDeviceLockOn:
+    case KVtEngDeviceLockOff:
+    default:
+        handled = TVtUiAppStateBase::HandleVtEventL( aEvent );
+        break;
+        }
+    __VTPRINTEXIT( "TVtUiStateStarting.HandleVtEventL" )
+    return handled;
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::HandleCommandL
+//
+// -----------------------------------------------------------------------------
+//
+TVtUiAppStateBase::TEventResponse TVtUiStateStarting::HandleCommandL(
+    const TInt /*aCommand*/ )
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.HandleCommandL" )
+    __VTPRINTEXIT( "TVtUiStateStarting.HandleCommandL" )
+    return EEventNotHandled;
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::HandleForegroundChangedL
+//
+// -----------------------------------------------------------------------------
+//
+TBool TVtUiStateStarting::HandleForegroundChangedL( const TBool aIsForeground )
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.HandleForegroundChangedL" )
+        
+    SetLightsState( aIsForeground );
+    iCtx.RefreshL( MVtUiStateContext::ENaviPane );
+    
+    // behave as in background if CLI (=details) has not yet received
+    TBool handleAsForeground( aIsForeground && iUiStates.IsDetailsReceived() ); 
+    TVtUiAppStateBase::ExecuteEngineCommand( KVtEngSetUIForeground, 
+        handleAsForeground );
+    
+    __VTPRINTEXIT( "TVtUiStateStarting.HandleForegroundChangedL" )
+    return handleAsForeground;
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::OpenL
+// -----------------------------------------------------------------------------
+//
+void TVtUiStateStarting::OpenL()
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.OpenL" )
+    iStartCallback = new ( ELeave ) CAsyncCallBack (
+            TCallBack( &AsynchOpen, this ),
+            CActive::EPriorityStandard );
+    iStartCallback->CallBack();  
+    __VTPRINTEXIT( "TVtUiStateStarting.OpenL" )
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::AsynchOpen
+// asynchronous entry to the state.
+// -----------------------------------------------------------------------------
+//
+TInt TVtUiStateStarting::AsynchOpen( TAny* aAny )
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.AsynchOpen" )
+    TVtUiStateStarting* state = reinterpret_cast<TVtUiStateStarting*>( aAny );
+    delete state->iStartCallback;
+    state->iStartCallback = NULL;
+    TRAPD( res, state->DoOpenL() );
+    __VTPRINTEXITR( "TVtUiStateStarting.AsynchOpen err=%d>", res )
+    return res;
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::DoOpenL
+// -----------------------------------------------------------------------------
+//
+void TVtUiStateStarting::DoOpenL()
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.DoOpenL" )
+    if ( !CheckEndActiveCallL() )
+        {
+        // not shutting down, proceed to phase 1
+        iCtx.StartupPhase1L();
+        }
+    __VTPRINTEXIT( "TVtUiStateStarting.DoOpenL" )
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::CheckSessionStateL
+// Resolve action based on session state change in the engine.
+// -----------------------------------------------------------------------------
+//
+void TVtUiStateStarting::CheckSessionStateL()
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.CheckSessionStateL" )
+    const MVtEngSessionInfo::TSessionState state = SessionState( EFalse );
+    switch ( state )
+        {
+    case MVtEngSessionInfo::EConnected:
+    case MVtEngSessionInfo::ENegotiating:
+    case MVtEngSessionInfo::EOpen:
+        // From session state point of view we're ready to proceed.
+        // Clear precondition and proceed if otherwise ready.
+        CheckPhase2StartupL( EWaitingSessionState );
+        break;
+    default:
+        // Is session state such that we need to shutdown?
+        CheckEndActiveCallL();
+        break;
+        }
+    __VTPRINTEXIT( "TVtUiStateStarting.CheckSessionStateL" )
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::CheckPhase2StartupL
+//
+// mark precondition passed and if no more preconditions exist proceed
+// in startup.
+// -----------------------------------------------------------------------------
+//
+void TVtUiStateStarting::CheckPhase2StartupL(
+    const TPreconditions aCond )
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.CheckPhase2StartupL" )
+    // First check that at least one precondition holds
+    if ( iPreconditions.Value() )
+        {
+        iPreconditions.Clear( aCond );
+        if ( !iPreconditions.Value() )
+            {
+            CleanupResetPushL();  // start shutdown if StartupPhase2L leaves
+            iCtx.StartupPhase2L();
+            CleanupStack::Pop(); // CleanupResetPushL
+            }
+        }
+#ifdef VTDEBUG
+    else {
+        __VTPRINT( DEBUG_GEN, "TVtUiStateStarting.CheckPhase2StartupL NoOp!" )
+        }
+#endif // VTDEBUG
+    __VTPRINTEXITR( "TVtUiStateStarting.CheckPhase2StartupL cond=%d",
+        (TInt) iPreconditions.Value() )
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::HandleCLIReceivedL
+// CLI reception from engine is one of the two preconditions for proceeding
+// to phase2 startup.
+// -----------------------------------------------------------------------------
+//
+void TVtUiStateStarting::HandleCLIReceivedL()
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.HandleCLIReceivedL" )
+    const MVtEngSessionInfo& session = iCtx.Model().Session();
+    MVtEngSessionInfo::TCLI cli;
+    if ( session.GetCLI( cli ) == KErrNone )
+        {
+        iUiStates.SetDetailsReceived( ETrue );
+        iUiStates.SetCLIReceived( cli.iVoiceCallPossible );
+        iCtx.SetCallIdL( cli.iCallId );
+        iCtx.SetCallNameL( cli.iName );
+        }
+    CheckPhase2StartupL( EWaitingCLI );
+    __VTPRINTEXIT( "TVtUiStateStarting.HandleCLIReceivedL" )
+    }
+
+// -----------------------------------------------------------------------------
+// TVtUiStateStarting::Close
+// -----------------------------------------------------------------------------
+//
+void TVtUiStateStarting::Close()
+    {
+    __VTPRINTENTER( "TVtUiStateStarting.Close" )
+    if ( TVtUiStateStarting::iInstance )
+        {
+        delete TVtUiStateStarting::iInstance;
+        TVtUiStateStarting::iInstance = NULL;
+        }
+    __VTPRINTEXIT( "TVtUiStateStarting.Close" )
+    }