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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: View-transition animations
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*
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*/
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/**
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* @internal reviewed 12/07/2007 by Michael Yip
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*/
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#include "glxanimationview.h"
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#include <alf/alfcontrol.h>
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#include <alf/alfcontrolgroup.h>
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#include <alf/alftransformation.h>
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const TReal KGlxViewSwitchBackgroundScalingFactor = 0.2;
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const TReal KGlxViewSwitchForegroundScalingFactor = 0.3;
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// -----------------------------------------------------------------------------
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// NewL
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// -----------------------------------------------------------------------------
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//
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CGlxAnimationView* CGlxAnimationView::NewL(
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TGlxViewswitchAnimation aAnimType,
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TGlxNavigationDirection aDirection,
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const RPointerArray<CAlfControlGroup>& aControlGroups)
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{
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CGlxAnimationView* self = new (ELeave) CGlxAnimationView(aAnimType, aDirection);
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CleanupStack::PushL(self);
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self->ConstructL(aControlGroups);
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CleanupStack::Pop(self);
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return self;
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}
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// -----------------------------------------------------------------------------
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// Constructor
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// -----------------------------------------------------------------------------
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//
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CGlxAnimationView::CGlxAnimationView(
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TGlxViewswitchAnimation aAnimType,
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TGlxNavigationDirection aDirection)
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: iAnimType(aAnimType),
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iDirection(aDirection)
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{
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}
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// -----------------------------------------------------------------------------
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// ConstructL
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// -----------------------------------------------------------------------------
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//
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void CGlxAnimationView::ConstructL(const RPointerArray<CAlfControlGroup>& aControlGroups)
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{
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TInt count = aControlGroups.Count();
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for (TInt index = 0; index < count; index++)
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{
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iControlGroups.AppendL(aControlGroups[index]);
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}
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}
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// -----------------------------------------------------------------------------
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// Destructor
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// -----------------------------------------------------------------------------
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//
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CGlxAnimationView::~CGlxAnimationView()
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{
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iControlGroups.Close();
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}
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// -----------------------------------------------------------------------------
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// StartTimedAnimationL
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// -----------------------------------------------------------------------------
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//
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void CGlxAnimationView::StartTimedAnimationL( TInt aTime )
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{
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// Set up timed values
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TAlfTimedValue scale( 1.0 );
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TAlfTimedValue opacity( 1.0 );
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// Set the scaling effect
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if ( EGlxNavigationForwards == iDirection )
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{
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if( EGlxViewAnimationEntry == iAnimType )
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{
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scale.SetValueNow( 1 - KGlxViewSwitchBackgroundScalingFactor );
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scale.SetTarget( 1, aTime ); // and target
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}
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else if ( EGlxViewAnimationExit == iAnimType )
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{
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scale.SetValueNow( 1 );
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scale.SetTarget( 1 + KGlxViewSwitchForegroundScalingFactor, aTime ); // and target
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}
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}
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else if ( EGlxNavigationBackwards == iDirection )
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{
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if( EGlxViewAnimationEntry == iAnimType )
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{
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scale.SetValueNow( 1 + KGlxViewSwitchForegroundScalingFactor );
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scale.SetTarget( 1, aTime ); // and target
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}
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else if ( EGlxViewAnimationExit == iAnimType )
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{
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scale.SetValueNow( 1 );
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scale.SetTarget( 1 - KGlxViewSwitchBackgroundScalingFactor, aTime ); // and target
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}
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}
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// Set the opacity effect
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if( EGlxViewAnimationEntry == iAnimType )
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{
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opacity.SetValueNow( 0 );
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opacity.SetTarget(1.0, aTime );
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}
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else if ( EGlxViewAnimationExit == iAnimType )
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{
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opacity.SetValueNow( 1.0 );
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opacity.SetTarget(0.0, aTime );
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}
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opacity.SetStyle(EAlfTimedValueStyleLinear);
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// Find out the screen size
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CGlxUiUtility* uiUtility = CGlxUiUtility::UtilityL();
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CleanupClosePushL( *uiUtility );
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CleanupStack::PopAndDestroy( uiUtility );
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// Animate each of the control groups
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TInt cgCount = iControlGroups.Count();
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for ( TInt cg = 0; cg < cgCount; cg++ )
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{
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// If exiting, disable input events
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if ( EGlxViewAnimationExit == iAnimType )
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{
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iControlGroups[cg]->SetAcceptInput( EFalse );
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}
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// Set up control group transformations
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iControlGroups[cg]->EnableTransformationL();
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CAlfTransformation& trans = iControlGroups[cg]->Transformation();
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trans.Scale( scale, scale );
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// Set opacity of all toplevel visuals in all controls in this group
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TInt controlCount = iControlGroups[cg]->Count();
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for(TInt i = 0; i < controlCount; i++ )
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{
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CAlfControl& control = iControlGroups[cg]->Control(i);
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for(TInt j = 0; j < control.VisualCount(); j++)
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{
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if ( control.Visual(j).Layout() )
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{
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control.Visual(j).SetOpacity( opacity );
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}
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}
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}
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}
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}
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