--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/engine/controlsrc/shwviewcontrol.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,230 @@
+/*
+* 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:    The view control for the slideshow
+ *
+*/
+
+
+
+
+#include "shwviewcontrol.h"
+
+#include "shwevent.h"
+#include "shwslideshowenginepanic.h"
+
+#include <mglxmedialist.h>
+#include <glxlog.h>
+#include <glxtracer.h>
+
+// -----------------------------------------------------------------------------
+// C++ Constructor. Save a few bits of rom with inlining
+// -----------------------------------------------------------------------------
+inline CShwViewControl::CShwViewControl( MGlxMediaList& aList )
+	: iList( aList ),
+	iReadyToViewReceived( EFalse ),
+	iTransitionReadyReceived( EFalse ),
+	iReadyToAdvanceReceived( EFalse ),
+	iTimerReceived( EFalse ),
+	iUserNavigated( EFalse ),
+	iPaused( EFalse ),
+	iUserNavigatedWhilePaused( EFalse )
+	{
+	// No implementation required
+	}
+
+// -----------------------------------------------------------------------------
+// NewL. Static construction
+// -----------------------------------------------------------------------------
+CShwViewControl* CShwViewControl::NewL( 
+	MGlxMediaList& aList, TInt aTransitionDuration, TInt aViewDuration )
+	{
+	TRACER("CShwViewControl::NewL");
+	GLX_LOG_INFO( "CShwViewControl::NewL" );
+	CShwViewControl* self = new( ELeave ) CShwViewControl( aList );
+	CleanupStack::PushL( self );
+
+	// set the durations
+	self->iTransitionDuration = aTransitionDuration;
+	self->iViewDuration = aViewDuration;
+	self->ConstructL();
+
+	CleanupStack::Pop( self );
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// Destructor.
+// -----------------------------------------------------------------------------
+CShwViewControl::~CShwViewControl()
+	{
+	TRACER("CShwViewControl::~CShwViewControl");
+    GLX_LOG_INFO( "CShwViewControl::~CShwViewControl" );
+	}
+
+// -----------------------------------------------------------------------------
+// ConstructL.
+// -----------------------------------------------------------------------------
+void CShwViewControl::ConstructL()
+	{
+	TRACER("CShwViewControl::ConstructL");
+	GLX_LOG_INFO( "CShwViewControl::ConstructL" );
+	}
+
+// -----------------------------------------------------------------------------
+// NotifyL.
+// -----------------------------------------------------------------------------
+void CShwViewControl::NotifyL( MShwEvent* aEvent )
+	{
+	TRACER("CShwViewControl::NotifyL");
+	GLX_LOG_INFO( "CShwViewControl::NotifyL" );
+	// we got an event, was it start slideshow 
+	if( dynamic_cast< TShwEventStart* >( aEvent ) )
+		{
+		GLX_LOG_INFO( "CShwViewControl::NotifyL - TShwEventStart" );
+		// start view immediately
+		// as we do not get transition ready before the first slide
+		TShwEventStartView startView( iViewDuration );
+		SendEventL( &startView );
+		}
+	// was it ready to view
+	else if( dynamic_cast< TShwEventReadyToView* >( aEvent ) )
+		{
+		GLX_LOG_INFO( "CShwViewControl::NotifyL - TShwEventReadyToView" );
+		// set ready to view flag
+		iReadyToViewReceived = ETrue;
+		// is transition ready or user did navigate
+		if( iTransitionReadyReceived || iUserNavigated )
+		    {
+		    // reset user navigate flag
+		    iUserNavigated = EFalse;
+		    // send start view
+		    SendStartViewL();
+		    }
+		}
+	// was it transition ready
+	else if( dynamic_cast< TShwEventTransitionReady* >( aEvent ) )
+		{
+		GLX_LOG_INFO( "CShwViewControl::NotifyL - TShwEventTransitionReady" );
+		// set transition ready flag
+		iTransitionReadyReceived = ETrue;
+		// are we ready to start view
+		if( iReadyToViewReceived )
+		    {
+		    // send start view
+		    SendStartViewL();
+		    }
+		}
+	// was it timer beat
+	else if( dynamic_cast< TShwEventTimerBeat* >( aEvent ) )
+		{
+		GLX_LOG_INFO( "CShwViewControl::NotifyL - TShwEventTimerBeat" );
+		// we got the timer
+		iTimerReceived = ETrue;
+		// check if we are ok to go to start transition
+        CheckAndSendStartTransitionL();
+		}
+	// was it ready to advance
+	else if( dynamic_cast< TShwEventReadyToAdvance* >( aEvent ) )
+		{
+		GLX_LOG_INFO( "CShwViewControl::NotifyL - TShwEventReadyToAdvance" );
+		// we got ready to advance
+		iReadyToAdvanceReceived = ETrue;
+		// check if we are ok to go to start transition
+        CheckAndSendStartTransitionL();
+		}
+	// was it next or previous image?
+	else if ( dynamic_cast< TShwEventNextImage* >( aEvent ) || 
+			  dynamic_cast< TShwEventPreviousImage* >( aEvent ) )
+		{
+		// user did navigate, reset the state flags
+		iReadyToAdvanceReceived = EFalse;
+		iReadyToViewReceived = EFalse;
+		// user did navigate
+		iUserNavigated = ETrue;
+		iUserNavigatedWhilePaused = iPaused;
+		}
+	// pause event?
+	else if ( dynamic_cast< TShwEventPause* >( aEvent ) )
+		{
+		// we are paused
+		iPaused = ETrue;
+		iUserNavigatedWhilePaused = EFalse;
+		}
+	// resume event?
+	else if ( dynamic_cast< TShwEventResume* >( aEvent ) )
+		{
+		// we are not paused
+		iPaused = EFalse;
+		// did user navigate?
+		if( iUserNavigatedWhilePaused )
+			{
+			// reset the flag
+			iUserNavigatedWhilePaused = EFalse;
+			// user navigated while paused so need to reset view mode 
+			// to restart the effect and timer, while on pause it was not
+			// completely started
+		    SendStartViewL();
+			}
+		}
+	else if ( dynamic_cast< TShwEventToggleControlUi* >( aEvent ) )
+        {
+        GLX_LOG_INFO( "CShwViewControl::NotifyL - TShwEventToggleControlUi" );
+        // Have to impliment if need comes
+        }	 
+	}
+
+// -----------------------------------------------------------------------------
+// CheckAndSendStartTransitionL.
+// -----------------------------------------------------------------------------
+void CShwViewControl::CheckAndSendStartTransitionL()
+    {
+    TRACER("CShwViewControl::CheckAndSendStartTransitionL");
+    GLX_LOG_INFO( "CShwViewControl::CheckAndSendStartTransitionL" );
+	// check if we got timer and ready to advance and 
+	// we are not paused and there is more than one item
+	if( iTimerReceived && iReadyToAdvanceReceived && 
+	    (!iPaused) && (iList.Count() > 1) )
+	    {
+        GLX_LOG_INFO( "CShwViewControl::Sending TShwEventStartTransition" );
+        // reset timer and viewready flags
+        iReadyToAdvanceReceived = EFalse;
+        iTimerReceived = EFalse;
+        // send start transition event
+        TShwEventStartTransition startTransition( iTransitionDuration );
+        SendEventL( &startTransition );
+        // reset also view flags so that we wait for both before starting view
+        iReadyToViewReceived = EFalse;
+        iTransitionReadyReceived = EFalse;
+	    }
+    }
+
+// -----------------------------------------------------------------------------
+// SendStartViewL.
+// -----------------------------------------------------------------------------
+void CShwViewControl::SendStartViewL()
+    {
+    TRACER("CShwViewControl::SendStartViewL");
+    GLX_LOG_INFO( "CShwViewControl::SendStartViewL" );
+    // reset ready to view and transition ready flags
+	iReadyToViewReceived = EFalse;
+	iTransitionReadyReceived = EFalse;
+	// send start view event
+	TShwEventStartView startView( iViewDuration );
+	SendEventL( &startView );
+	// reset also transition start flags so that we wait for both 
+	// before starting transition
+    iTimerReceived = EFalse;
+	iReadyToAdvanceReceived = EFalse;
+    }
+