src/screensaverappui.cpp
author William Roberts <williamr@symbian.org>
Mon, 08 Mar 2010 21:43:27 +0000
branchCompilerCompatibility
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permissions -rw-r--r--
Create CompilerCompatibility branch
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/*
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* Copyright (c) 2004 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 AppUi file for screensaver application.
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*
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*/
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#include <eikenv.h>
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#include "screensavershareddatai.h"
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#include "screensaverappui.h"
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#include "screensaverengine.h"
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//
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// CScreensaverAppUi
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//
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CScreensaverAppUi::ConstructL()
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    {
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    SCRLOGGER_WRITEF(_L("SCR:CScreensaverAppUi::ConstructL start") );
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    SCRLOGGER_CREATE;
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    // Choose orientation based on screensaverconfig
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#if defined(SS_ALWAYSPORTRAIT)
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    BaseConstructL(EAppOrientationPortrait);
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#elif defined(SS_ALWAYSLANDSCAPE)
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    BaseConstructL(EAppOrientationLandscape);
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#else
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    // Not specified - follows device setting
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    BaseConstructL();
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#endif
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    SetKeyEventFlags( CAknAppUiBase::EDisableSendKeyShort | CAknAppUiBase::EDisableSendKeyLong );
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    iModel = CScreensaverEngine::NewL();
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    CreateViewL();
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    iEikonEnv->SetSystem( ETrue );
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    HideApplicationFromFSW();
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    }
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::~CScreensaverAppUi
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// -----------------------------------------------------------------------------
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//
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CScreensaverAppUi::~CScreensaverAppUi()
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    {
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    delete iModel;
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    iModel = NULL;
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    SCRLOGGER_DELETE;
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    }
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::Model
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// -----------------------------------------------------------------------------
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//
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CScreensaverEngine& CScreensaverAppUi::Model() const
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    {
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    return *iModel;
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    }
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::HandleCommandL
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// -----------------------------------------------------------------------------
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// 
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void CScreensaverAppUi::HandleCommandL( TInt aCommand )
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    {
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    switch ( aCommand )
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        {
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        case EEikCmdExit:
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            Exit();
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            break;
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        default:
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            break;
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        }
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    }
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::GetView
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// -----------------------------------------------------------------------------
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//
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CScreensaverView* CScreensaverAppUi::ScreensaverView()
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    {
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    return iView;
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    }
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::CreateViewL
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// -----------------------------------------------------------------------------
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//
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void CScreensaverAppUi::CreateViewL()
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    {
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    SCRLOGGER_WRITEF(_L("SCR:CScreensaverAppUi::CreateViewL start") );
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    iView = CScreensaverView::NewL();
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    AddViewL( iView ); // transfer ownership to CAknViewAppUi
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    SetDefaultViewL( *iView );
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    }
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::HandleKeyEventL
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// -----------------------------------------------------------------------------
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//
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TKeyResponse CScreensaverAppUi::HandleKeyEventL( const TKeyEvent& aKeyEvent,
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    TEventCode aType )
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    {
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    SCRLOGGER_WRITEF(_L("SCR:CScreensaverAppUi::HandleKeyEventL start") );
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    // Stop on keyup instead of keydown, otherwise the underlying
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    // app might get orphaned key up events and soil its pants. EXCEPT
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    // in preview mode stop on keydown, because the keup from starting
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    // the preview might be received here, and preview stopped before
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    // it even properly started
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    TBool stop = EFalse;
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    if ( !iView )
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        {
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        return EKeyWasConsumed;
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        }
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    if ( aType == EEventKey && aKeyEvent.iCode == EKeyNo )
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        {
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        stop = ETrue;
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        }
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    else
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        {
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        if ( iModel->ScreenSaverIsPreviewing() )
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            {
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            if ( aType == EEventKeyDown )
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                {
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                stop = ETrue;
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                }
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            }
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        else
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            {
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            if ( aType == EEventKeyUp )
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                {
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                stop = ETrue;
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                }
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            }
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        }
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    if ( stop )
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        {
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        iModel->StopScreenSaver();
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        }
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    return EKeyWasConsumed;
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    }
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::HandleScreenDeviceChangedL
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// Stops screensaver as soon as screen device changes. Resourcechange
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// about e.g. resulting layout change comes annoyingly late
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// -----------------------------------------------------------------------------
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//
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void CScreensaverAppUi::HandleScreenDeviceChangedL()
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    {
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#if defined(SS_FASTSTOPONSCREENDEVICECHANGE)
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    // Slightly faster stop when screendevice changes. Instead of
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    // letting the created user activity stop, do it here.
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    // NOTE that if forced orientation is not used and there is an
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    // application that changes screen orientation for itself (e.g.
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    // viewfinder), screensaver will die here when activated if fast
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    // stop is used.
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#if !defined(SS_ALWAYSPORTRAIT) && !defined(SS_ALWAYSLANDSCAPE)
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    // Do not stop, if forced orientation is used! 
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    // Screensaver may cause a screen device change when activated,
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    // and will promptly commit suicide here
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    iModel->StopScreenSaver();
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#endif
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#endif
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    CAknViewAppUi::HandleScreenDeviceChangedL();
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    }
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// -----------------------------------------------------------------------------
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// CScreensaverAppUi::HandleWsEventL
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// -----------------------------------------------------------------------------
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//
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void CScreensaverAppUi::HandleWsEventL( const TWsEvent& aEvent,
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    CCoeControl* aDestination )
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    {
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    SCRLOGGER_WRITEF(_L("SCR:CScreensaverAppUi::HandleWsEventL start") );
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    // First, let parent class handle the event
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    CAknViewAppUi::HandleWsEventL( aEvent, aDestination );
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   208
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    // In case of a pointer event, also stop screensaver
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    if ( aEvent.Type() == EEventPointer )
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        {
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        iModel->StopScreenSaver();
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        }
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    }
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//End of file