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/*
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* Copyright (c) 2007-2008 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: The pause handling control for the slideshow
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*
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*/
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#include <alf/alfenv.h>
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#include <alf/alfdisplay.h>
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#include <alf/alfevent.h>
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#include <glxlog.h>
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#include <glxtracer.h>
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#include <glxpanic.h>
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#include "shwslideshowengine.h"
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#include "shwgesturecontrol.h"
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using namespace GestureHelper;
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// -----------------------------------------------------------------------------
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// NewL.
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// -----------------------------------------------------------------------------
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//
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CShwGestureControl* CShwGestureControl::NewL( CAlfEnv& aEnv,CAlfDisplay& aDisplay)
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{
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TRACER("CShwGestureControl::NewL");
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GLX_LOG_INFO( "CShwGestureControl::NewL" );
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CShwGestureControl* self = new(ELeave)CShwGestureControl();
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CleanupStack::PushL( self );
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self->ConstructL( aEnv,aDisplay);
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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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// ConstructL.
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// -----------------------------------------------------------------------------
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//
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void CShwGestureControl::ConstructL( CAlfEnv& aEnv,CAlfDisplay& aDisplay)
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{
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TRACER("CShwGestureControl::ConstructL");
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GLX_LOG_INFO( "CShwGestureControl::ConstructL" );
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CAlfControl::ConstructL(aEnv);
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BindDisplay(aDisplay);
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}
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// -----------------------------------------------------------------------------
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// CShwGestureControl.
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// -----------------------------------------------------------------------------
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//
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CShwGestureControl::CShwGestureControl( )
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{
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TRACER("CShwGestureControl::CShwGestureControl");
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//no implementation
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}
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// -----------------------------------------------------------------------------
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// ~CShwGestureControl.
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// -----------------------------------------------------------------------------
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//
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CShwGestureControl::~CShwGestureControl()
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{
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TRACER("CShwGestureControl::~CShwGestureControl");
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iObservers.ResetAndDestroy();
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}
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// -----------------------------------------------------------------------------
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// AddObserverL
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// -----------------------------------------------------------------------------
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//
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void CShwGestureControl::AddObserverL(MShwGestureObserver* aObserver)
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{
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TRACER("CShwGestureControl::AddObserverL");
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GLX_LOG_INFO("CShwGestureControl::AddObserverL");
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__ASSERT_DEBUG( NULL != aObserver , Panic(EGlxPanicNullPointer));
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// dont want to observe the same thing again and again.
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if (iObservers.Find(aObserver) == KErrNotFound)
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{
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iObservers.AppendL(aObserver);
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GLX_LOG_INFO1("CShwGestureControl::AddObserverL Observer Added "
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"observer count now [%d]", iObservers.Count());
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}
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}
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// -----------------------------------------------------------------------------
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// RemoveObserver
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// -----------------------------------------------------------------------------
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//
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void CShwGestureControl::RemoveObserver(MShwGestureObserver* aObserver)
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{
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TRACER("CShwGestureControl::RemoveObserver");
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GLX_LOG_INFO("CShwGestureControl::RemoveObserver");
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TInt observerPosition = iObservers.Find(aObserver);
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if (observerPosition != KErrNotFound)
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{
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iObservers.Remove(observerPosition);
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GLX_LOG_INFO1("CShwGestureControl::RemoveObserver One Observer removed "
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"observer count now [%d]", iObservers.Count());
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}
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}
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// -----------------------------------------------------------------------------
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// HandleGestureL.
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// -----------------------------------------------------------------------------
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//
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void CShwGestureControl::HandleGestureL( const GestureHelper::MGestureEvent& aEvent )
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{
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TRACER("CShwGestureControl::HandleGestureL");
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GLX_LOG_INFO1( "CShwGestureControl::HandleGestureL(%d)", aEvent.Code( MGestureEvent::EAxisBoth ));
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// No one is listening, Do not resolve the events for the listeners
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if (iObservers.Count() > 0)
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{
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MShwGestureObserver::TShwGestureEventType aType = MShwGestureObserver::ENoEvent;
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switch ( aEvent.Code( MGestureEvent::EAxisBoth ) )
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{
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case EGestureSwipeLeft:
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{
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aType = MShwGestureObserver::ESwipeLeft ;
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break;
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}
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case EGestureSwipeRight:
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{
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aType = MShwGestureObserver::ESwipeRight;
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break;
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}
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case EGestureTap:
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{
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aType = MShwGestureObserver::ETapEvent;
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break;
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}
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default:
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{
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// we are interested in only
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// swipe left(EGestureSwipeLeft)
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// swipe right(EGestureSwipeRight)
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// and tap events
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// we wont be handling any other case yet.
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break;
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}
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}
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for (TInt index = 0 ; index < iObservers.Count() ; index ++)
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{
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if (MShwGestureObserver::ENoEvent != aType )
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{
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iObservers[index]->HandleShwGestureEventL(aType);
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}
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}
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}
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}
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//end of file
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