vtengines/videoteleng/Src/State/CVtEngStateInitializing.cpp
changeset 0 ed9695c8bcbe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Src/State/CVtEngStateInitializing.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,167 @@
+/*
+* 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:  Initializing state
+*
+*/
+
+
+// INCLUDE FILES
+#include    "CVtEngStateInitializing.h"
+#include    "CVtEngOperation.h"
+#include    "CVtEngSettings.h"
+#include    "VtEngUtils.h"
+#include    "CVtEngAudioHandler.h"
+#include    "CVtEngInitializer.h"
+#include    <cvtlogger.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVtEngStateInitializing::CVtEngStateInitializing
+// C++ constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CVtEngStateInitializing::CVtEngStateInitializing( 
+    CVtEngStateManager& aStateManager,
+    CVtEngEventManager& aEventManager )
+    : CVtEngStateBase( aStateManager, aEventManager )
+    {
+    }
+
+// Destructor
+CVtEngStateInitializing::~CVtEngStateInitializing()
+    {
+    __VTPRINT( DEBUG_DESTRUCT, "~Stateini")
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVtEngStateInitializing::UpdateL
+// Updates state
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CVtEngStateInitializing::UpdateL()
+    {
+    __VTPRINTENTER( "StateInit.Update")
+    const MVtCtlCallControl::TVtCtlState bearerstate = 
+        SessionHandler().RealState();
+
+    CVtEngStateBase* newState = NULL;
+    if ( bearerstate == MVtCtlCallControl::EIdle ||
+         bearerstate == MVtCtlCallControl::EDisconnecting )
+        {
+        newState = NewStateL( MVtEngSessionInfo::EClearing );
+        // Initializer may be waiting for dataport. In that case MediaHandler 
+        // has already signaled reqStatus of CVtEngInitializer which must
+        // complete KVtEngInitializeEngine command in order uninitialisation to
+        // finish properly. This scenario may happen in 1st call since phone
+        // boot, i.e. when dataport name is not already published.
+        CVtEngUtility::EngineUtils()->Initializer().CancelInit();
+        }
+    else if ( bearerstate == MVtCtlCallControl::EAlerting )
+        {
+        newState = NewStateL( MVtEngSessionInfo::ERemoteAlerting );
+        }
+    else
+        {
+        newState = NegotiatingOrConnectedStateL(); // or null
+        }
+    if ( newState )
+        {
+        newState->OpenL( this );
+        }
+    __VTPRINTEXIT( "StateInit.Update")
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateInitializing::OpenL
+// State transition to initializing.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CVtEngStateInitializing::DoOpenL()
+    {
+    __VTPRINTENTER( "StateInit.Open" )
+    NotifyStateChange( MVtEngSessionInfo::EInitializing );
+    
+    // Instantiate temporary devsound for audio routing
+    AudioHandler().SetRoutingEnablerL( ETrue );
+    __VTPRINTEXIT( "StateInit.Open" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateInitializing::ValidateCommand
+// Returns if a command is valid in initializing state.
+// 
+// -----------------------------------------------------------------------------
+//
+TBool CVtEngStateInitializing::ValidateCommand(
+            const TVtEngCommandId aCommandId )
+    {
+    __VTPRINT( DEBUG_DETAIL | DEBUG_GEN, "StateInit.Validate")
+    TBool okToPerform( EFalse );
+    switch ( aCommandId )
+        {
+        case KVtEngPrepareViewFinder:        
+        case KVtEngPrepareRemoteRenderDSA:
+        case KVtEngPrepareRemoteRenderDP:
+        case KVtEngPrepareRemoteRenderNGA:
+        case KVtEngSetSource:
+        case KVtEngStartViewFinder:
+            okToPerform = ETrue;
+            break;
+        default:
+            okToPerform = CVtEngStateBase::ValidateCommand( aCommandId );
+            break;
+        }
+    return okToPerform;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateInitializing::State
+// Returns session state.
+// 
+// -----------------------------------------------------------------------------
+//
+MVtEngSessionInfo::TSessionState CVtEngStateInitializing::State() const
+    {
+    return MVtEngSessionInfo::EInitializing;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVtEngStateInitializing::HandleL
+// Handles an operation when behavior is state dependent.
+// 
+// -----------------------------------------------------------------------------
+//
+TBool CVtEngStateInitializing::HandleL( CVtEngOperation& aOp )
+    {
+    TBool handled( CVtEngStateBase::HandleL( aOp ));
+    if ( !handled )
+        {
+        switch ( aOp.Command() )
+            {
+            case KVtEngStartRenderRemote:
+                SetVideoEnabled( ETrue );
+                handled = ETrue;
+                break;
+            }
+        }
+    return handled;
+    }
+
+// End of File