/*

* Copyright (c) 2002 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:

*

*/

// AknAnimView.CPP

//

// Copyright (c) 1997-1999 Symbian Ltd.  All rights reserved.

//

// Animation View class

#include "aknanimview.h"

#include "aknAnimGc.h"

#include "aknAnimCtrl.h"

#include "aknanimdata.h"

#include "aknappui.h"

#include "AknPanic.h"

#include <coemain.h>

#include <eikbtgpc.h>

#include <e32base.h>

#include <eikmenub.h>

#include <eiklbi.h>

#include <eiklbx.h>

#include <avkon.hrh>

#include <AknLayout.lag>

#include <AknUtils.h>

// CAknDummyListBoxView

CWindowGc* CAknDummyListBoxView::SwapGraphicsContext(CWindowGc* aGc)

	{

	CWindowGc* oldGc = iGc;

	iGc = aGc;

	iItemDrawer->SetGc(aGc);

	return oldGc;

	}

EXPORT_C TAny* CAknDummyListBoxView::Reserved_1()

	{

	return NULL;

	}

// CAknAnimatedView

EXPORT_C CAknAnimatedView::CAknAnimatedView()

	{

	}

EXPORT_C CAknAnimatedView::~CAknAnimatedView()

	{

	delete iKeyWatcher;

	delete iTimedDrawer;

	delete iAnimatedGc;

	delete iAnimationCtrl;

	delete iViewBitmapContext;

	delete iViewBitmapDevice;

	delete iViewBitmap;

	delete iOriginalBitmap;

	}

/** Entry point for animation. This function is called by the view architecture when

  * a new view is activated.

 */

EXPORT_C void CAknAnimatedView::AknViewActivatedL(const TVwsViewId& aPrevViewId,TUid aCustomMessageId,const TDesC8& aCustomMessage)

	{

	// Check that no existing bitmap or gc exists

	__ASSERT_DEBUG(!iViewBitmap, Panic(EAknPanicAnimationCorrupt));

	__ASSERT_DEBUG(!iViewBitmapDevice, Panic(EAknPanicAnimationCorrupt));

	__ASSERT_DEBUG(!iViewBitmapContext, Panic(EAknPanicAnimationCorrupt));

	__ASSERT_DEBUG(!iAnimatedGc, Panic(EAknPanicAnimationCorrupt));

	// Create a blank bitmap for drawing the view to

    TSize screenSize = iAvkonAppUi->ApplicationRect().Size();

	//TSize screenSize = TSize(AKN_LAYOUT_WINDOW_screen.iW,AKN_LAYOUT_WINDOW_screen.iH);

	iViewBitmap = new (ELeave) CFbsBitmap();

    iViewBitmap->Create(screenSize,iCoeEnv->ScreenDevice()->DisplayMode());	

	iViewBitmapDevice = CFbsBitmapDevice::NewL(iViewBitmap);

    iViewBitmapDevice->CreateContext(iViewBitmapContext); 

	iAnimatedGc = CAknAnimatedGc::NewL(iCoeEnv->SystemGc(), *iViewBitmapContext);

	iAnimatedGc->SetRootWindow(iCoeEnv->RootWin());

	iEikonEnv->EikAppUi()->StopDisplayingMenuBar();

	if (MenuBar())

		MenuBar()->StopDisplayingMenuBar();

	// Get a copy of the existing screen

	iOriginalBitmap = new (ELeave) CFbsBitmap();

    iOriginalBitmap->Create(screenSize,iCoeEnv->ScreenDevice()->DisplayMode());	

	iCoeEnv->ScreenDevice()->CopyScreenToBitmap(iOriginalBitmap);

	iOldSystemGc = iCoeEnv->SwapSystemGc(iAnimatedGc);

	PreAnimateSetup();

	CAknView::AknViewActivatedL(aPrevViewId, aCustomMessageId, aCustomMessage);

	// Redraw status pane

	CEikStatusPane *sp = ((CAknAppUi*)iEikonEnv->EikAppUi())->StatusPane();

	CCoeControl *context = sp->ContainerControlL(TUid::Uid(EEikStatusPaneUidContext));

	CCoeControl *title = sp->ContainerControlL(TUid::Uid(EEikStatusPaneUidTitle));

	CCoeControl *navi = sp->ContainerControlL(TUid::Uid(EEikStatusPaneUidNavi));

	context->DrawNow();

	title->DrawNow();

	navi->DrawNow();

	// Start timed drawer, so that view can draw before animation starts

	iTimedDrawer = CPeriodic::NewL(CActive::EPriorityIdle);

	TCallBack callback(DrawCallback, this);

	iTimedDrawer->Start(iAnimationData->Interval(),iAnimationData->Interval(),callback);

	iKeyWatcher = CAknAnimationKeyWatcher::NewL();

	}

TInt CAknAnimatedView::DrawCallback(TAny* aPtr)

	{

	CAknAnimatedView* ptr = (CAknAnimatedView*)aPtr;

	return ptr->DoCallback();

	}

void CAknAnimatedView::RestoreSystemGc()

	{

	if (iOldSystemGc != NULL)

		{

		iCoeEnv->SwapSystemGc(iOldSystemGc);

		}

	iOldSystemGc = NULL;

	}

TInt CAknAnimatedView::DoCallback()

	{

	if (!iAnimationCtrl)

		{

		TRAPD(error,

		iAnimationCtrl = CAknAnimationCtrl::NewL(*iOldSystemGc, *iViewBitmap, *iOriginalBitmap, iAnimationData);	

		iAnimationCtrl->ActivateL();

		);

		if (error)

			{

			// Error in creating the control, so just end the callback.

			// The view is displayed normally, without the animation

			delete iAnimationCtrl;

			iAnimationCtrl = NULL;

			return ETrue;

			}

		iKeyWatcher->SetAnimationControl(iAnimationCtrl);

		RestoreSystemGc();

		}

	TBool finished = iAnimationCtrl->DrawStep();

	if (!finished)

		return ETrue;

	delete iKeyWatcher;

	iKeyWatcher = NULL;

	delete iTimedDrawer;

	iTimedDrawer = NULL;

	PostAnimateSetup();

	delete iAnimatedGc;

	iAnimatedGc = NULL;

	delete iViewBitmapContext;

	iViewBitmapContext = NULL;

	delete iViewBitmapDevice;

	iViewBitmapDevice = NULL;

	iEikonEnv->EikAppUi()->RemoveFromStack(iAnimationCtrl);

	delete iAnimationCtrl;

	iAnimationCtrl = NULL;

	delete iViewBitmap;

	iViewBitmap = NULL;

	delete iOriginalBitmap;

	iOriginalBitmap = NULL;

	// return EFlase so that idle object is not called again

	return EFalse;

	}

EXPORT_C void CAknAnimatedView::PreAnimateSetup()

	{

	}

EXPORT_C void CAknAnimatedView::PostAnimateSetup()

	{

	}

EXPORT_C void CAknAnimatedView::SetAnimationData(CAknAnimationData* aAnimationData)

	{

	iAnimationData = aAnimationData;

	}

EXPORT_C CWindowGc* CAknAnimatedView::SwapListBoxGc(CEikListBox* aListBox, CWindowGc* aWindowGc)

	{

	CAknDummyListBoxView* dummyView = REINTERPRET_CAST(CAknDummyListBoxView*,aListBox->View());

	return dummyView->SwapGraphicsContext(aWindowGc);

	}