/*

* Copyright (c) 2010 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:  CCoeControl to show a logo at camera application startup

*

*/

#include <fbs.h>

#include <e32math.h>

#include <e32debug.h>

#include <AknIconUtils.h>

#include <cameraapp.mbg>

#include "camlogging.h"

#include "camstartuplogo.h"

_LIT(KCamBitmapFile, "z:\\resource\\apps\\cameraapp.mif");

const TInt KStartupLogoOrdinalPriority( 2 );

// ---------------------------------------------------------------------------

// Two-phased constructor

// ---------------------------------------------------------------------------

//

CCamStartupLogo* CCamStartupLogo::NewL(CCamStartupLogoController& aController,

                                       const TRect& aRect)

    {

    PRINT(_L("Camera => CCamStartupLogo::NewL"))

    CCamStartupLogo* self = new (ELeave) CCamStartupLogo(aController, aRect);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    PRINT(_L("Camera <= CCamStartupLogo::NewL"))

    return self;

    }

// ---------------------------------------------------------------------------

// C++ constructor

// ---------------------------------------------------------------------------

//

CCamStartupLogo::CCamStartupLogo(CCamStartupLogoController& aController,

                                 const TRect& aRect)

    : iRect(aRect), iController(aController)

    {

    // No implementation needed

    }

// ---------------------------------------------------------------------------

// Destructor

// ---------------------------------------------------------------------------

//

CCamStartupLogo::~CCamStartupLogo()

    {

    iController.RemoveObserver(this);

    delete iLogo;

    delete iLogoMask;

    }

// ---------------------------------------------------------------------------

// 2nd phase constructor

// ---------------------------------------------------------------------------

//

void CCamStartupLogo::ConstructL()

    {

    PRINT(_L("Camera => CCamStartupLogo::ConstructL"))

    iController.AddObserver(this);

    if (iController.State() == EStartupLogoVisible)

        {

        ShowL();

        }

    PRINT(_L("Camera <= CCamStartupLogo::ConstructL"))

    }

// ---------------------------------------------------------------------------

// CCamStartupLogo::StartupLogoControllerStateChanged

// ---------------------------------------------------------------------------

//

void CCamStartupLogo::StartupLogoControllerStateChanged(

    TStartupLogoState aNewState)

    {

    PRINT(_L("Camera => CCamStartupLogo::StartupLogoControllerStateChanged"))

    if (aNewState == EStartupLogoNotVisible)

        {

        Hide();

        }

    else if (aNewState == EStartupLogoVisible)

        {

        TRAP_IGNORE(ShowL()); 

        }

    else

        {

        PRINT(_L("Camera <> StartupLogoControllerStateChanged - unknown state"))

        }

    PRINT(_L("Camera <= CCamStartupLogo::StartupLogoControllerStateChanged"))

    }

// ---------------------------------------------------------------------------

// CCamStartupLogo::ShowL

// ---------------------------------------------------------------------------

//

void CCamStartupLogo::ShowL()

    {

    PRINT(_L("Camera => CCamStartupLogo::ShowL"))

    if (!iLogo || !iLogoMask)

        {

        delete iLogo;

        iLogo = NULL;

        delete iLogoMask;

        iLogoMask = NULL;

        TTime t0;

        t0.UniversalTime();

        AknIconUtils::CreateIconL(iLogo,

                                  iLogoMask,

                                  KCamBitmapFile,

                                  EMbmCameraappQgn_menu_cams,

                                  EMbmCameraappQgn_menu_cams_mask);

        TSize logoSize(iRect.Size().iWidth/2, iRect.Size().iHeight/2);

        AknIconUtils::SetSize(iLogo, logoSize);

        TTime t1;

        t1.UniversalTime();

        PRINT1(_L("Camera <> Startup icon load took %d us"), I64LOW(t1.MicroSecondsFrom(t0).Int64()))

        }

    if (!iWindowCreated)

        {

        CreateWindowL();

        iWindowCreated = ETrue;

        }

    if (!IsActivated())

        {

        ActivateL();

        }

    SetExtentToWholeScreen();

    MakeVisible(ETrue);

    RDrawableWindow* window = DrawableWindow();

    if (window)

        {

        window->SetOrdinalPosition(0, KStartupLogoOrdinalPriority);

        }

    PRINT(_L("Camera <= CCamStartupLogo::ShowL"))

    }

// ---------------------------------------------------------------------------

// CCamStartupLogo::Hide

// ---------------------------------------------------------------------------

//

void CCamStartupLogo::Hide()

    {

    PRINT(_L("Camera => CCamStartupLogo::Hide"))

    MakeVisible(EFalse);

    if (iWindowCreated)

        {

        CloseWindow();

        iWindowCreated = EFalse;

        }

    delete iLogo;

    iLogo = NULL;

    delete iLogoMask;

    iLogoMask = NULL;

    PRINT(_L("Camera <= CCamStartupLogo::Hide"))

    }

// ---------------------------------------------------------------------------

// CCamStartupLogo::Draw

// ---------------------------------------------------------------------------

//

void CCamStartupLogo::Draw(const TRect& /*aRect*/) const

    {

    PRINT(_L("Camera <> CCamStartupLogo::Draw"))

    CWindowGc& gc = SystemGc();

    gc.SetDrawMode(CGraphicsContext::EDrawModeWriteAlpha);

    gc.SetBrushColor(TRgb::Color16MA(0xFF000000)); // opaque black

    gc.SetPenStyle(CGraphicsContext::ENullPen);

    gc.SetBrushStyle(CGraphicsContext::ESolidBrush);

    gc.DrawRect(Rect());

    if (iLogo && iLogoMask)

        {

        TSize logoSize(iLogo->SizeInPixels());

        TPoint logoTl(iRect.Center().iX - logoSize.iWidth / 2,

                      iRect.Center().iY - logoSize.iHeight / 2);

        gc.BitBltMasked(logoTl, iLogo, TRect(logoSize), iLogoMask, EFalse);

        }

    }