uiacceltk/hitchcock/plugins/alftranseffect/alftranseffectplugin/src/states.cpp
changeset 0 15bf7259bb7c
child 8 10534483575f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/plugins/alftranseffect/alftranseffectplugin/src/states.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,248 @@
+/*
+* 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:   State machine state implementations
+*
+*/
+
+
+
+#include  <akntranseffect.h> // for Transition effect enumerations
+#include <alflogger.h>
+#include "states.h"
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+// CRestingState construction
+// ---------------------------------------------------------------------------
+//
+CRestingState::CRestingState(MAlfDrawerEngine& aEngine, CStateHandler& aHandler) : 
+	CStateBase(aEngine,aHandler)
+		{
+		}
+
+CStateBase* CRestingState::NewL(MAlfDrawerEngine& aEngine, CStateHandler& aHandler)
+	{
+	CRestingState* self = new (ELeave) CRestingState(aEngine,aHandler);
+	self->iStateInfo.iState = EResting;
+	return self;	
+	}
+	
+// ---------------------------------------------------------------------------
+// CRestingState Signal handling
+// ---------------------------------------------------------------------------
+//
+CStateBase* CRestingState::SignalL(TSignal aSignal)
+	{
+	__ALFFXLOGSTRING1("CRestingState::SignalL %d >>", aSignal);
+	TInt error = KErrNone;
+	switch( aSignal ) 
+		{
+		case EBeginFullscreen:
+            if( !IsBlocked( iEngine.FromUid(), iEngine.ToUid() ) ) 
+		        {
+    			iEngine.SendBeginFullscreen();
+			    return CPhase1State::NewL( iEngine,iHandler );
+			    }
+		    return NULL;
+
+		case EBeginComponent:
+		    error = iEngine.SendBeginControlTransition();
+		    if ( error == KErrNone )
+		        {
+         		return CControlState::NewL( iEngine, iHandler );
+		        }
+		    return NULL;    
+
+		case EEndFullscreen:
+//		    iEngine.SendEndFullscreen(); // TODO: revise?
+//		    return CRestingState::NewL( iEngine, iHandler );
+
+		case EAbortFullscreen:
+			iEngine.SendAbortFullscreen();
+			return CRestingState::NewL( iEngine, iHandler );
+		}
+	return NULL;
+	}
+
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+// CControlState construction
+// ---------------------------------------------------------------------------
+//
+CControlState::CControlState(MAlfDrawerEngine& aEngine, CStateHandler& aHandler) : 
+	CStateBase(aEngine,aHandler)
+		{
+		}
+
+CStateBase* CControlState::NewL(MAlfDrawerEngine& aEngine, CStateHandler& aHandler)
+	{
+	CControlState* self = new (ELeave) CControlState(aEngine,aHandler);
+	self->iStateInfo.iState = EComponent;
+	return self;	
+	}
+	
+// ---------------------------------------------------------------------------
+// CControlState signal handling
+// ---------------------------------------------------------------------------
+//
+CStateBase* CControlState::SignalL(TSignal aSignal)
+	{
+    __ALFFXLOGSTRING1("CControlState::SignalL %d >>", aSignal);
+
+    TInt error = KErrNone;	
+	switch( aSignal )
+		{
+		case EAbort:
+		case EAbortComponent:
+			iEngine.SendAbortControlTransition();
+			return CRestingState::NewL( iEngine, iHandler );
+		case EFinishComponent:
+		    // do something to finish
+		    iEngine.SendFinishControlTransition();
+			return CRestingState::NewL( iEngine, iHandler );
+		case EBeginFullscreen:
+			if( !IsBlocked( iEngine.FromUid(), iEngine.ToUid() ) )
+				{
+				iEngine.SendBeginFullscreen();
+				return CPhase1State::NewL( iEngine,iHandler );
+				}
+			return NULL;
+		case EBeginComponent:
+		    // we don't limit control transitions
+		    // we don't have an ending signal for the controls now
+		    // We may need something to be able to call
+		    // SendFinishControlTransition
+		    error = iEngine.SendBeginControlTransition();
+		    if ( error == KErrNone )
+		        {
+         		return CControlState::NewL( iEngine, iHandler );
+		        }
+		    return NULL;    
+		}
+	return NULL;
+	}
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+// CPhase1State construction
+// ---------------------------------------------------------------------------
+//
+CPhase1State::CPhase1State(MAlfDrawerEngine& aEngine, CStateHandler& aHandler) : 
+	CStateBase(aEngine,aHandler)
+		{
+		}
+
+CStateBase* CPhase1State::NewL(MAlfDrawerEngine& aEngine, CStateHandler& aHandler)
+	{
+	CPhase1State* self = new (ELeave) CPhase1State(aEngine,aHandler);
+	self->iStateInfo.iState = EFullscreenPhase1;
+	self->iStateInfo.iAction = aEngine.Action();
+	return self;	
+	}
+
+// ---------------------------------------------------------------------------
+// CPhase1State Signal handling
+// ---------------------------------------------------------------------------
+//
+CStateBase* CPhase1State::SignalL(TSignal aSignal)
+	{
+    TInt error = KErrNone;	
+	switch(aSignal)
+		{
+		case EAbort:
+		case EAbortFullscreen:
+   			iEngine.SendAbortFullscreen();
+			return CRestingState::NewL(iEngine,iHandler);
+        case EFinishFullscreen:
+		    if ( !iEngine.EffectFinishedFullScreen() )
+		        {
+    			iEngine.SendAbortFullscreen();
+		        }
+            return CRestingState::NewL(iEngine,iHandler);
+		case EEndFullscreen:
+			iEngine.SendEndFullscreen();
+			return CPhase2State::NewL(iEngine,iHandler);
+		case EBeginFullscreen:
+			if(!IsBlocked(iEngine.FromUid(),iEngine.ToUid())) 
+				{
+    		    iEngine.SendBeginFullscreen();
+				}
+			return NULL;
+		case EBeginComponent:
+		    error = iEngine.SendBeginControlTransition();
+		    if ( error == KErrNone )
+		        {
+         		return CControlState::NewL( iEngine, iHandler );
+		        }
+		    return NULL;    
+		}
+	return NULL;
+	}
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+// CPhase2State construction
+// ---------------------------------------------------------------------------
+//
+CPhase2State::CPhase2State(MAlfDrawerEngine& aEngine, CStateHandler& aHandler) : 
+	CStateBase(aEngine,aHandler)
+		{
+		}
+
+CStateBase* CPhase2State::NewL(MAlfDrawerEngine& aEngine, CStateHandler& aHandler)
+	{
+	CPhase2State* self = new (ELeave) CPhase2State(aEngine,aHandler);
+	self->iStateInfo.iState = EFullscreenPhase2;
+	self->iStateInfo.iAction = aEngine.Action();
+	return self;	
+	}
+
+// ---------------------------------------------------------------------------
+// CPhase2State Signal handling
+// ---------------------------------------------------------------------------
+//
+CStateBase* CPhase2State::SignalL(TSignal aSignal)
+	{
+    TInt error = KErrNone;	
+	switch(aSignal)
+		{
+		case EAbort:
+		case EAbortFullscreen:
+			iEngine.SendAbortFullscreen();
+			return CRestingState::NewL(iEngine,iHandler);
+		case EFinishFullscreen:
+		    if ( ( iEngine.Action() == 1001 || iEngine.Action() == AknTransEffect::EApplicationExit ) &&
+		        !iEngine.EffectFinishedFullScreen() )
+		        {
+		        iEngine.SendAbortFullscreen();
+		        }
+			return CRestingState::NewL(iEngine,iHandler);
+		case EBeginFullscreen:
+			if(!IsBlocked(iEngine.FromUid(),iEngine.ToUid()))
+				{
+				iEngine.SendBeginFullscreen();
+				return CPhase1State::NewL(iEngine,iHandler);
+				}
+			return NULL;
+		case EBeginComponent:
+		    error = iEngine.SendBeginControlTransition();
+		    if ( error == KErrNone )
+		        {
+         		return CControlState::NewL( iEngine, iHandler );
+		        }
+		    return NULL;    
+		}
+	return NULL;
+	}