1 /*

     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 // AknAnimView.CPP

    19 //

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

    21 //

    22 

    23 // Animation View class

    24 

    25 

    26 #include "aknanimview.h"

    27 #include "aknAnimGc.h"

    28 #include "aknAnimCtrl.h"

    29 #include "aknanimdata.h"

    30 

    31 #include "aknappui.h"

    32 #include "AknPanic.h"

    33 #include <coemain.h>

    34 #include <eikbtgpc.h>

    35 #include <e32base.h>

    36 #include <eikmenub.h>

    37 #include <eiklbi.h>

    38 #include <eiklbx.h>

    39 #include <avkon.hrh>

    40 #include <AknLayout.lag>

    41 #include <AknUtils.h>

    42 // CAknDummyListBoxView

    43 

    44 CWindowGc* CAknDummyListBoxView::SwapGraphicsContext(CWindowGc* aGc)

    45 	{

    46 	CWindowGc* oldGc = iGc;

    47 	iGc = aGc;

    48 	iItemDrawer->SetGc(aGc);

    49 	return oldGc;

    50 	}

    51 

    52 EXPORT_C TAny* CAknDummyListBoxView::Reserved_1()

    53 	{

    54 	return NULL;

    55 	}

    56 

    57 

    58 // CAknAnimatedView

    59 

    60 EXPORT_C CAknAnimatedView::CAknAnimatedView()

    61 	{

    62 	}

    63 

    64 EXPORT_C CAknAnimatedView::~CAknAnimatedView()

    65 	{

    66 	delete iKeyWatcher;

    67 	delete iTimedDrawer;

    68 	delete iAnimatedGc;

    69 	delete iAnimationCtrl;

    70 	delete iViewBitmapContext;

    71 	delete iViewBitmapDevice;

    72 	delete iViewBitmap;

    73 	delete iOriginalBitmap;

    74 	}

    75 

    76 

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

    78   * a new view is activated.

    79  */

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

    81 	{

    82 	// Check that no existing bitmap or gc exists

    83 	__ASSERT_DEBUG(!iViewBitmap, Panic(EAknPanicAnimationCorrupt));

    84 	__ASSERT_DEBUG(!iViewBitmapDevice, Panic(EAknPanicAnimationCorrupt));

    85 	__ASSERT_DEBUG(!iViewBitmapContext, Panic(EAknPanicAnimationCorrupt));

    86 	__ASSERT_DEBUG(!iAnimatedGc, Panic(EAknPanicAnimationCorrupt));

    87 	// Create a blank bitmap for drawing the view to

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

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

    90 

    91 	iViewBitmap = new (ELeave) CFbsBitmap();

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

    93 

    94 	iViewBitmapDevice = CFbsBitmapDevice::NewL(iViewBitmap);

    95     iViewBitmapDevice->CreateContext(iViewBitmapContext); 

    96 

    97 

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

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

   100 	

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

   102 	if (MenuBar())

   103 		MenuBar()->StopDisplayingMenuBar();

   104 

   105 	// Get a copy of the existing screen

   106 

   107 	iOriginalBitmap = new (ELeave) CFbsBitmap();

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

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

   110 

   111 	iOldSystemGc = iCoeEnv->SwapSystemGc(iAnimatedGc);

   112 

   113 	PreAnimateSetup();

   114 

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

   116 

   117 	// Redraw status pane

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

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

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

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

   122 	context->DrawNow();

   123 	title->DrawNow();

   124 	navi->DrawNow();

   125 

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

   127 

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

   129 	TCallBack callback(DrawCallback, this);

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

   131 

   132 

   133 	iKeyWatcher = CAknAnimationKeyWatcher::NewL();

   134 	}

   135 

   136 

   137 TInt CAknAnimatedView::DrawCallback(TAny* aPtr)

   138 	{

   139 	CAknAnimatedView* ptr = (CAknAnimatedView*)aPtr;

   140 	

   141 	return ptr->DoCallback();

   142 	}

   143 

   144 void CAknAnimatedView::RestoreSystemGc()

   145 	{

   146 	if (iOldSystemGc != NULL)

   147 		{

   148 		iCoeEnv->SwapSystemGc(iOldSystemGc);

   149 		}

   150 	iOldSystemGc = NULL;

   151 	}

   152 

   153 TInt CAknAnimatedView::DoCallback()

   154 	{

   155 	if (!iAnimationCtrl)

   156 		{

   157 		TRAPD(error,

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

   159 		iAnimationCtrl->ActivateL();

   160 		);

   161 		if (error)

   162 			{

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

   164 			// The view is displayed normally, without the animation

   165 			delete iAnimationCtrl;

   166 			iAnimationCtrl = NULL;

   167 			return ETrue;

   168 			}

   169 

   170 

   171 		iKeyWatcher->SetAnimationControl(iAnimationCtrl);

   172 		RestoreSystemGc();

   173 		}

   174 

   175 	TBool finished = iAnimationCtrl->DrawStep();

   176 	if (!finished)

   177 		return ETrue;

   178 

   179 	delete iKeyWatcher;

   180 	iKeyWatcher = NULL;

   181 

   182 	delete iTimedDrawer;

   183 	iTimedDrawer = NULL;

   184 

   185 	PostAnimateSetup();

   186 	delete iAnimatedGc;

   187 	iAnimatedGc = NULL;

   188 

   189 	delete iViewBitmapContext;

   190 	iViewBitmapContext = NULL;

   191 

   192 	delete iViewBitmapDevice;

   193 	iViewBitmapDevice = NULL;

   194 

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

   196 	delete iAnimationCtrl;

   197 	iAnimationCtrl = NULL;

   198 

   199 	delete iViewBitmap;

   200 	iViewBitmap = NULL;

   201 

   202 	delete iOriginalBitmap;

   203 	iOriginalBitmap = NULL;

   204 

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

   206 	return EFalse;

   207 	}

   208                                 

   209 EXPORT_C void CAknAnimatedView::PreAnimateSetup()

   210 	{

   211 	}

   212 

   213 EXPORT_C void CAknAnimatedView::PostAnimateSetup()

   214 	{

   215 	}

   216 

   217 EXPORT_C void CAknAnimatedView::SetAnimationData(CAknAnimationData* aAnimationData)

   218 	{

   219 	iAnimationData = aAnimationData;

   220 	}

   221 

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

   223 	{

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

   225 	return dummyView->SwapGraphicsContext(aWindowGc);

   226 	}

   227