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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 view key handling control for the slideshow
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*
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*/
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// CLASS HEADER
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#include "shwslideshowkeyhandler.h"
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// EXTERNAL INCLUDES
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// INTERNAL INCLUDES
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#include <glxlog.h>
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#include <glxtracer.h>
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#include <glxuiutility.h>
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#include "shwslideshowengine.h"
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#include "shwslideshowpausehandler.h"
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#include "shwslideshowview.h"
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// -----------------------------------------------------------------------------
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// C++ Constructor.
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// -----------------------------------------------------------------------------
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inline CShwSlideShowKeyHandler::CShwSlideShowKeyHandler(
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CShwSlideshowEngine& aEngine,
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CShwSlideShowPauseHandler& aPauseHandler,
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TInt& aState )
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: iEngine( aEngine ),iPauseHandler( aPauseHandler ), iState( aState )
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{
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TRACER("CShwSlideShowKeyHandler::CShwSlideShowKeyHandler");
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GLX_LOG_INFO("CShwSlideShowKeyHandler::CShwSlideShowKeyHandler");
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// No implementation required
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}
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// -----------------------------------------------------------------------------
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// ConstructL
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// -----------------------------------------------------------------------------
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void CShwSlideShowKeyHandler::ConstructL()
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{
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TRACER("CShwSlideShowKeyHandler::ConstructL");
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GLX_LOG_INFO("CShwSlideShowKeyHandler::ConstructL");
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iUiUtility = CGlxUiUtility::UtilityL();
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}
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// -----------------------------------------------------------------------------
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// NewL. Static construction
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// -----------------------------------------------------------------------------
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CShwSlideShowKeyHandler* CShwSlideShowKeyHandler::NewL(
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CShwSlideshowEngine& aEngine,
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CShwSlideShowPauseHandler& aPauseHandler,
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TInt& aState )
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{
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TRACER("CShwSlideShowKeyHandler::NewL");
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GLX_LOG_INFO("CShwSlideShowKeyHandler::NewL");
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CShwSlideShowKeyHandler* self =
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new( ELeave ) CShwSlideShowKeyHandler( aEngine, aPauseHandler,
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aState );
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CleanupStack::PushL(self);
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self->ConstructL();
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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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// Destructor.
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// -----------------------------------------------------------------------------
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CShwSlideShowKeyHandler::~CShwSlideShowKeyHandler()
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{
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TRACER("CShwSlideShowKeyHandler::~CShwSlideShowKeyHandler");
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GLX_LOG_INFO("CShwSlideShowKeyHandler::~CShwSlideShowKeyHandler");
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if ( iUiUtility )
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{
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iUiUtility->Close();
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}
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// No implementation required
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}
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// -----------------------------------------------------------------------------
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// OfferKeyEventL.
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// -----------------------------------------------------------------------------
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TKeyResponse CShwSlideShowKeyHandler::OfferKeyEventL(
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const TKeyEvent& aKeyEvent, TEventCode aType )
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{
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TRACER("CShwSlideShowKeyHandler::OfferKeyEventL");
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GLX_LOG_INFO( "CShwSlideShowKeyHandler::OfferKeyEventL" );
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TKeyResponse retVal = EKeyWasNotConsumed;
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if( aType == EEventKeyDown )
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{
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switch( aKeyEvent.iScanCode )
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{
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case EStdKeyIncVolume : // volume up
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{
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iEngine.VolumeUpL();
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retVal = EKeyWasConsumed;
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break;
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}
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case EStdKeyDecVolume : // volume down
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{
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iEngine.VolumeDownL();
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retVal = EKeyWasConsumed;
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break;
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}
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case EStdKeyLeftArrow : // this gets rotated in landscape
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{
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// show previous image
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iEngine.PreviousItemL();
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retVal = EKeyWasConsumed;
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break;
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}
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case EStdKeyRightArrow : // this gets rotated in landscape
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{
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iEngine.NextItemL();
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retVal = EKeyWasConsumed;
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break;
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}
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case EStdKeyDevice0 : // left soft key
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{
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iEngine.LSKPressedL();
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// key was consumed
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retVal = EKeyWasConsumed;
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break;
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}
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case EStdKeyDevice3 : // navi select
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{
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iPauseHandler.ToggleUiControlsVisibiltyL();
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// key was consumed
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retVal = EKeyWasConsumed;
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break;
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}
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case EStdKeyDevice1 : // right soft key
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{
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// Exiting so revert to showing the system skin
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// Note: this has to be done here, not in the view deactivation
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// as when we come to deactivate, the screen furniture will
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// match the view id to the active view (e.g. the tile view)
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//@todo-check
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//iScreenFurniture.DisableSystemSkinL( iViewId.iUid,
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// CGlxScreenFurniture::EGlxSfItemLeftSoftkey, EFalse )
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//iScreenFurniture.DisableSystemSkinL( iViewId.iUid,
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// CGlxScreenFurniture::EGlxSfItemRightSoftkey, EFalse )
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// Note that in practice it doesn't matter whether we return
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// EKeyWasConsumed or EKeyWasNotConsumed as the result is
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// the same (we still get back to the last view). This is due to
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// HUI's key handling. So, for safety's sake, if in future there
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// are changes to HUI to cease processing the key events when
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// EKeyWasConsumed is returned, then we return EKeyWasNotConsumed to
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// ensure that the command is forwarded to the back command handler.
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break;
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}
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default:
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{
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retVal = EKeyWasNotConsumed;
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break;
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}
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}// end switch
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}// end if
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// if its a system generated exit event
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// set the state
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else if (aType == EEventKey && aKeyEvent.iScanCode == EStdKeyNo)
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{
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iUiUtility->SetExitingState(ETrue);
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} // end if else
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return retVal;
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}
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