1 /*

     2 * Copyright (c) 2007-2009 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:  Camera Zoom Pane; shows the zoom level graphically*

    15 */

    16 

    17 

    18 

    19 // INCLUDE FILES

    20 #include <e32base.h>

    21 #include <e32std.h>

    22 #include <coemain.h>

    23 #include <eikenv.h>

    24 #include <cameraapp.mbg>

    25 #include <eikappui.h>    // For CCoeAppUiBase

    26 #include <eikapp.h>      // For CEikApplication

    27 #include <barsread.h>    // resource reader

    28 #include <AknIconUtils.h>

    29 #include <centralrepository.h>

    30 #include <layoutmetadata.cdl.h>         

    31 #include <aknlayoutscalable_apps.cdl.h> 

    32 #include <touchfeedback.h> 

    33 #include <cameraapp.rsg>

    34 #include <vgacamsettings.rsg>

    35 #include "CameraUiConfigManager.h"

    36 #include "CamPanic.h"    // Panic codes

    37 #include "CamUtility.h"

    38 #include "CamZoomPane.h"

    39 #include "CamZoomModel.h"

    40 #include "CamAppUi.h"

    41 #include "CamBmpRotatorAo.h"

    42 #include "CameraappPrivateCRKeys.h"

    43 #include "CamTimer.h"

    44 

    45 

    46 // CONSTANTS

    47 const TInt KDivisorFactor = 10000;    // integer scaling factor to avoid the 

    48                                      // use of floating point arithmetic

    49 const TInt KTouchAreaExpansion = 35; // Pixels to grow touchable area                                    

    50 

    51 // ============================ MEMBER FUNCTIONS ===============================

    52 

    53 // -----------------------------------------------------------------------------

    54 // CCamZoomPane::CCamZoomPane

    55 // C++ default constructor can NOT contain any code, that

    56 // might leave.

    57 // -----------------------------------------------------------------------------

    58 //

    59 CCamZoomPane::CCamZoomPane( CCamAppController& aController, TBool aOverlayViewFinder )

    60     : iController( aController ),

    61       iOverlayViewFinder( aOverlayViewFinder )

    62     {

    63     }

    64 

    65 // -----------------------------------------------------------------------------

    66 // CCamZoomPane::ConstructL

    67 // Symbian 2nd phase constructor can leave.

    68 // -----------------------------------------------------------------------------

    69 //

    70 void CCamZoomPane::ConstructL()

    71     {

    72     PRINT( _L( "Camera => CCamZoomPane::ConstructL " ) );

    73     // Load the zoom pane orientation value from the Central Repository

    74  	CRepository* repository = CRepository::NewL( KCRUidCameraappSettings );        

    75  	TInt val = 0;

    76     TInt err = repository->Get( KCamCrZoomPaneOrientation, val );

    77 

    78     // If there is an error then assume standard (vertical) orientation

    79     if ( err != KErrNone )

    80         {

    81         iOrientation = EZPOrientationVertical;

    82         }

    83     else 

    84         {

    85         iOrientation = static_cast<TZPOrientation>( val );

    86         }

    87 #if !( defined(__WINS__) || defined(__WINSCW__) )

    88     // Get Central Repository key indicating if product uses volume keys for zoom

    89     err = repository->Get( KCamCrZoomUsingVolumeKeys, val );

    90 

    91     // If there is an error then assume volume keys not used

    92     if ( err != KErrNone )

    93         {

    94         iZoomUsingVolumeKeys = EFalse;

    95         }

    96     else 

    97         {

    98         iZoomUsingVolumeKeys = val;

    99         }

   100     

   101         iZoomUsingVolumeKeys = EFalse;

   102     

   103     // Get Central Repository key indicating if product uses navi-keys for zoom

   104     err = repository->Get( KCamCrZoomUsingNaviKeys, val );

   105 

   106     // If there is an error then assume navi-keys not used

   107     if ( err != KErrNone )

   108         {

   109         iZoomUsingNaviKeys = EFalse;

   110         }

   111     else 

   112         {

   113         iZoomUsingNaviKeys = val;

   114         }

   115 #else

   116     iZoomUsingVolumeKeys = EFalse;   

   117     iZoomUsingNaviKeys = ETrue;  

   118 #endif // !( defined(__WINS__) || defined(__WINSCW__) )       

   119         

   120     delete repository;

   121     repository = NULL;

   122         

   123     // Find the name and path of the MBM file for zoom pane bitmaps

   124     TFileName resFileName;

   125     CamUtility::ResourceFileName( resFileName );

   126     TPtrC resname = resFileName;

   127            

   128     // Create component bitmaps 

   129     AknIconUtils::CreateIconL( iIconZoomTop[0], 

   130                                iIconZoomTop[1], 

   131                                resname, 

   132                                EMbmCameraappQgn_indi_cam4_zoom_top, 

   133                                EMbmCameraappQgn_indi_cam4_zoom_top_mask );

   134 

   135     AknIconUtils::CreateIconL( iIconZoomMiddle[0], 

   136                                iIconZoomMiddle[1], 

   137                                resname, 

   138                                EMbmCameraappQgn_indi_cam4_zoom_middle, 

   139                                EMbmCameraappQgn_indi_cam4_zoom_middle_mask );

   140                             

   141     AknIconUtils::CreateIconL( iIconZoomBottom[0], 

   142                                iIconZoomBottom[1], 

   143                                resname, 

   144                                EMbmCameraappQgn_indi_cam4_zoom_bottom, 

   145                                EMbmCameraappQgn_indi_cam4_zoom_bottom_mask );   

   146         

   147     AknIconUtils::CreateIconL( iIconZoomMarker[0], 

   148                                iIconZoomMarker[1], 

   149                                resname, 

   150                                EMbmCameraappQgn_indi_cam4_zoom_marker, 

   151                                EMbmCameraappQgn_indi_cam4_zoom_marker_mask );

   152 

   153     AknIconUtils::CreateIconL( iIconZoomMarkerGray[0], 

   154                                iIconZoomMarkerGray[1], 

   155                                resname, 

   156                                EMbmCameraappQgn_indi_cam4_zoom_marker_selected, 

   157                                EMbmCameraappQgn_indi_cam4_zoom_marker_selected_mask );

   158 

   159     AknIconUtils::CreateIconL( iIconZoomMin[0], 

   160                                iIconZoomMin[1], 

   161                                resname, 

   162                                EMbmCameraappQgn_indi_cam4_zoom_min, 

   163                                EMbmCameraappQgn_indi_cam4_zoom_min_mask );

   164                                

   165     AknIconUtils::CreateIconL( iIconZoomMax[0], 

   166                                iIconZoomMax[1], 

   167                                resname, 

   168                                EMbmCameraappQgn_indi_cam4_zoom_max, 

   169                                EMbmCameraappQgn_indi_cam4_zoom_max_mask );   

   170 

   171     SizeChanged(); // Initialize layouts and set sizes   

   172     CamUtility::SetAlphaL( iIconZoomTop[0], iIconZoomTop[1] ); 

   173     CamUtility::SetAlphaL( iIconZoomMiddle[0], iIconZoomMiddle[1] ); 

   174     CamUtility::SetAlphaL( iIconZoomBottom[0], iIconZoomBottom[1] );  

   175     CamUtility::SetAlphaL( iIconZoomMarker[0], iIconZoomMarker[1] );  

   176     CamUtility::SetAlphaL( iIconZoomMarkerGray[0], iIconZoomMarkerGray[1] ); 

   177     CamUtility::SetAlphaL( iIconZoomMin[0], iIconZoomMin[1] ); 

   178     CamUtility::SetAlphaL( iIconZoomMax[0], iIconZoomMax[1] );  

   179     iIconZoomMarkerCurrent = iIconZoomMarker[0]; 

   180 

   181     // Retrieve product-specific information about zoom support

   182     CamUtility::GetPsiInt( ECamPsiVideoZoomSupport, iZoomSupport );

   183 

   184     // Retrieve the timing and step values for each of the zoom bar 

   185     // segments/modes eg Optical/Digital/Extended    

   186     TPckgBuf <TCamZoomLAF> pckg;

   187     CamUtility::GetPsiAnyL( ECamPsiZoomBarLAF, &pckg);

   188     iZoomLAF = pckg();

   189         

   190     // Register for notification of controller events

   191     iController.AddControllerObserverL( this );    

   192     

   193     iModel = CCamZoomModel::NewL( iController, this );

   194     iFeedback = MTouchFeedback::Instance();   

   195 

   196     PRINT( _L( "Camera <= CCamZoomPane::ConstructL " ) );

   197     }

   198 

   199 // -----------------------------------------------------------------------------

   200 // CCamZoomPane::LoadResourceDataL()

   201 // Reads in all information needed from resources

   202 // -----------------------------------------------------------------------------

   203 //

   204 void CCamZoomPane::LoadResourceDataL()

   205     {

   206     PRINT( _L( "Camera => CCamZoomPane::LoadResourceDataL " ) );

   207     ReadLayoutL();

   208     PRINT( _L( "Camera <= CCamZoomPane::LoadResourceDataL " ) );

   209     }

   210 

   211 // -----------------------------------------------------------------------------

   212 // CCamZoomPane::UnloadResourceData()

   213 // Frees all dynamic resources allocated in LoadResourceDataL

   214 // -----------------------------------------------------------------------------

   215 //

   216 void CCamZoomPane::UnloadResourceData()

   217     {

   218     PRINT( _L( "Camera => CCamZoomPane::UnloadResourceData " ) );

   219     PRINT( _L( "Camera <= CCamZoomPane::UnloadResourceData " ) );

   220     }

   221     

   222 // -----------------------------------------------------------------------------

   223 // CCamZoomPane::ReloadResourceDataL()

   224 // Refreshes all resource-based information stored in the class

   225 // -----------------------------------------------------------------------------

   226 //

   227 void CCamZoomPane::ReloadResourceDataL()

   228     {

   229     PRINT( _L( "Camera => CCamZoomPane::ReloadResourceDataL " ) );

   230     UnloadResourceData();

   231     LoadResourceDataL();

   232     PRINT( _L( "Camera <= CCamZoomPane::ReloadResourceDataL " ) );

   233     }

   234 

   235 // -----------------------------------------------------------------------------

   236 // CCamZoomPane::NewL

   237 // Two-phased constructor.

   238 // -----------------------------------------------------------------------------

   239 //

   240 CCamZoomPane* CCamZoomPane::NewL( CCamAppController& aController,

   241                                   TBool aOverlayViewFinder )

   242     {

   243     PRINT( _L( "Camera => CCamZoomPane::NewL " ) );

   244     CCamZoomPane* self = new( ELeave ) CCamZoomPane ( aController, aOverlayViewFinder );

   245     CleanupStack::PushL( self );

   246     self->ConstructL();

   247     CleanupStack::Pop( self );

   248     PRINT( _L( "Camera <= CCamZoomPane::NewL " ) );

   249     return self;

   250     }

   251     

   252 // -----------------------------------------------------------------------------

   253 // CCamZoomPane::~CCamZoomPane

   254 // Destructor.

   255 // -----------------------------------------------------------------------------

   256 //

   257 CCamZoomPane::~CCamZoomPane()

   258     {

   259     PRINT( _L("Camera => ~CCamZoomPane" ))  

   260     iController.RemoveControllerObserver( this );

   261 

   262     delete iIconZoomTop[0];  

   263     delete iIconZoomMiddle[0];

   264     delete iIconZoomBottom[0];

   265     delete iIconZoomMarker[0];

   266     delete iIconZoomMarkerGray[0]; 

   267     delete iIconZoomMin[0];

   268     delete iIconZoomMax[0];

   269     delete iIconZoomTop[1];  

   270     delete iIconZoomMiddle[1];

   271     delete iIconZoomBottom[1];

   272     delete iIconZoomMarker[1];

   273     delete iIconZoomMarkerGray[1]; 

   274     delete iIconZoomMin[1];

   275     delete iIconZoomMax[1];

   276  

   277     delete iModel;

   278   

   279     if ( iRotatorAo &&

   280          iRotatorAo->IsActive() )

   281         {

   282         iRotatorAo->Cancel();

   283         }

   284     delete iRotatorAo;

   285 

   286 

   287     iZoomInKeys.Close();

   288     iZoomOutKeys.Close();

   289 

   290     PRINT( _L("Camera <= ~CCamZoomPane" ))  

   291     }

   292 

   293 // -----------------------------------------------------------------------------

   294 // CCamZoomPane::Draw

   295 // Draws the zoom pane

   296 // -----------------------------------------------------------------------------

   297 //

   298 void CCamZoomPane::Draw( CBitmapContext& aGc ) const

   299     {

   300     PRINT( _L( "Camera => CCamZoomPane::Draw " ) );

   301     if ( !iMaxZoom )

   302         {        

   303         PRINT( _L( "Camera <= CCamZoomPane::Draw not set up yet" ) );

   304         return; // Not set up yet

   305         }

   306         

   307     if ( !iOverlayViewFinder )

   308         {

   309         aGc.Clear( iZoomPaneRect );

   310         }

   311     

   312     DrawPlusMinus( aGc );

   313     DrawShaft( aGc );

   314     DrawThumb( aGc );    

   315     PRINT( _L( "Camera <= CCamZoomPane::Draw " ) );

   316     }

   317     

   318 // -----------------------------------------------------------------------------

   319 // CCamZoomPane::DrawPlusMinus

   320 // Draws the plus and minus icons

   321 // -----------------------------------------------------------------------------

   322 //    

   323 void CCamZoomPane::DrawPlusMinus( CBitmapContext& aGc ) const

   324     {    

   325     PRINT( _L( "Camera => CCamZoomPane::DrawPlusMinus " ) );

   326     aGc.BitBlt( iPlusPoint,  iIconZoomMax[0] );    

   327     aGc.BitBlt( iMinusPoint, iIconZoomMin[0] );   

   328     PRINT( _L( "Camera <= CCamZoomPane::DrawPlusMinus " ) );                 

   329     }

   330     

   331 // -----------------------------------------------------------------------------

   332 // CCamZoomPane::DrawShaft

   333 // Draws the shaft of the zoom pane

   334 // -----------------------------------------------------------------------------

   335 //    

   336 void CCamZoomPane::DrawShaft( CBitmapContext& aGc ) const  

   337     {

   338     PRINT( _L( "Camera => CCamZoomPane::DrawShaft " ) );

   339     aGc.BitBlt( iTopPoint,    iIconZoomTop[0] );

   340     aGc.BitBlt( iMiddlePoint, iIconZoomMiddle[0] );

   341     aGc.BitBlt( iBottomPoint, iIconZoomBottom[0] );

   342     PRINT( _L( "Camera <= CCamZoomPane::DrawShaft " ) );

   343     }

   344    

   345 // -----------------------------------------------------------------------------

   346 // CCamZoomPane::SetPoint

   347 // Sets the value of a point based on another point and an (optional) modifier value.

   348 // This was added to simplify the bar drawing code, so the changes based on orientation 

   349 // are (as much as possible) contained in this function

   350 // -----------------------------------------------------------------------------

   351 //    

   352 void 

   353 CCamZoomPane::SetPoint(       TPoint& aPoint, 

   354                         const TPoint& aOffset, 

   355                               TInt    aAdditional ) const

   356     {

   357     PRINT( _L( "Camera => CCamZoomPane::SetPoint " ) );

   358     if ( PaneOrientation() == EZPOrientationVertical )

   359         {

   360         aPoint.iY = aOffset.iY + aAdditional;

   361         }

   362     else

   363         {

   364         aPoint.iX = aOffset.iX - aAdditional;

   365         }

   366     PRINT( _L( "Camera <= CCamZoomPane::SetPoint " ) );

   367     }

   368     

   369 // -----------------------------------------------------------------------------

   370 // CCamZoomPane::PaneOrientation

   371 // Returns the current zoom pane orientation (taking into account whether this

   372 // should be forced or not if on secondary camera)

   373 // -----------------------------------------------------------------------------

   374 //        

   375 CCamZoomPane::TZPOrientation CCamZoomPane::PaneOrientation() const

   376     {

   377     PRINT( _L( "Camera => CCamZoomPane::PaneOrientation " ) );

   378     if ( iController.ActiveCamera() == ECamActiveCameraSecondary )

   379         {

   380         PRINT( _L( "Camera <= CCamZoomPane::PaneOrientation EZPOrientationVertical" ) );

   381         return EZPOrientationVertical;

   382         }

   383     else 

   384         {

   385         PRINT( _L( "Camera <= CCamZoomPane::PaneOrientation iOrientation" ) );

   386         return iOrientation;

   387         }

   388     }

   389     

   390 // -----------------------------------------------------------------------------

   391 // CCamZoomPane::DrawThumb

   392 // Draws the thumb of the zoom pane

   393 // -----------------------------------------------------------------------------

   394 //       

   395 void CCamZoomPane::DrawThumb( CBitmapContext& aGc ) const

   396     {   

   397     PRINT( _L( "Camera => CCamZoomPane::DrawThumb " ) );

   398     TPoint newThumbPos;                            

   399     // Knob bitmap has an empty area on the edge, thus it starts upper than top

   400     // of zoom slider 

   401     // topPointY is iTl.iY of knob bitmap when maximum zoom is used. 

   402     newThumbPos.iX = iZoomPaneRect.iTl.iX;        

   403         

   404     TInt pixelsPerStep = ( iMaxOffset * KDivisorFactor ) / (iMaxZoom+1);

   405     TInt pixelsFromBase;

   406     pixelsFromBase = ( iTrgZoom * pixelsPerStep );

   407     newThumbPos.iY = iTopPoint.iY + iMaxOffset -

   408              (pixelsFromBase + pixelsPerStep/2 +

   409               iIconZoomMarker[0]->SizeInPixels().iHeight * 

   410               KDivisorFactor / 2) / KDivisorFactor;                                                        

   411         

   412     aGc.BitBlt( newThumbPos, iIconZoomMarkerCurrent ); 

   413     PRINT( _L( "Camera <= CCamZoomPane::DrawThumb " ) );                   

   414     }

   415 

   416 // -----------------------------------------------------------------------------

   417 // CCamZoomPane::SetRect

   418 // Sets the rect that zoom pane is drawn into

   419 // -----------------------------------------------------------------------------

   420 //

   421 void CCamZoomPane::SetRect( TRect aRect )

   422     {

   423     PRINT( _L( "Camera => CCamZoomPane::SetRect " ) );

   424     iZoomPaneRect = aRect;

   425     PRINT( _L( "Camera <= CCamZoomPane::SetRect " ) );

   426     }

   427 

   428 // -----------------------------------------------------------------------------

   429 // CCamZoomPane::SetZoomRange

   430 // Specifies the range of values zoom supports

   431 // aMax should always be more than aMin. 

   432 // -----------------------------------------------------------------------------

   433 //

   434 TInt CCamZoomPane::SetZoomRange( TInt aMin, TInt aMax )

   435     {        

   436     PRINT( _L( "Camera => CCamZoomPane::SetZoomRange " ) );

   437     // The minimum value should always be less than the max.

   438     if ( aMin >= aMax ||

   439          aMin < 0 )

   440         {    

   441         PRINT( _L( "Camera <= CCamZoomPane::SetZoomRange KErrArgument" ) );

   442         return KErrArgument;

   443         }

   444 

   445     iMinZoom = aMin;

   446     iMaxZoom = aMax;

   447     PRINT( _L( "Camera <= CCamZoomPane::SetZoomRange " ) );

   448     return KErrNone;

   449     } 

   450 

   451 // -----------------------------------------------------------------------------

   452 // CCamZoomPane::SetZoomSteps

   453 // Sets the number of steps allowed in each category

   454 // -----------------------------------------------------------------------------

   455 //

   456 void CCamZoomPane::SetZoomSteps( TInt aOptSteps, TInt aStdSteps, TInt aExtSteps )

   457     {  

   458     PRINT( _L( "Camera => CCamZoomPane::SetZoomSteps " ) );      

   459     ASSERT( aOptSteps >= 0 && aStdSteps >= 0 && aExtSteps >= 0 );

   460     

   461     iOptSteps = aOptSteps;

   462     iStdSteps = aStdSteps;    

   463     iExtSteps = aExtSteps;

   464     PRINT( _L( "Camera <= CCamZoomPane::SetZoomSteps " ) );        

   465     }

   466     

   467 // -----------------------------------------------------------------------------

   468 // CCamZoomPane::SetZoomValue

   469 // Specifies the current level of Zoom.

   470 // -----------------------------------------------------------------------------

   471 //

   472 TInt CCamZoomPane::SetZoomValue( TInt aZoom )

   473     { 

   474     PRINT1( _L( "Camera => CCamZoomPane::SetZoomValue aZoom=%d" ), aZoom );

   475     if ( iController.UiConfigManagerPtr()->IsExtendedDigitalZoomSupported() )

   476         {

   477         // this may happen if in the extended zoom range

   478         // and we switch the extended range off - the

   479         // zoom value in the engine will be greater than

   480         // the max value allowed

   481         if ( aZoom > iMaxZoom )

   482             {

   483             aZoom = iMaxZoom;

   484             }        

   485         }

   486 

   487     // Check supplied value is within valid range

   488     if ( aZoom < iMinZoom || aZoom > iMaxZoom )

   489         {

   490         PRINT( _L( "Camera <= CCamZoomPane::SetZoomValue KErrArgument" ) );

   491         return KErrArgument;

   492         }

   493 

   494     iCurZoom = aZoom;

   495     iTrgZoom = aZoom;

   496 

   497     if ( iVisible )

   498         {

   499         // force redraw of zoom pane

   500         MakeVisible( ETrue, ETrue );

   501         }

   502 

   503     PRINT( _L( "Camera <= CCamZoomPane::SetZoomValue " ) );

   504     return KErrNone;

   505     }

   506 

   507 // -----------------------------------------------------------------------------

   508 // CCamZoomPane::ZoomValue

   509 // Returns the current zoom value (as the ZoomPane knows it)

   510 // -----------------------------------------------------------------------------

   511 //

   512 TInt CCamZoomPane::ZoomValue() const

   513     {   

   514     PRINT( _L( "Camera => CCamZoomPane::ZoomValue " ) );

   515     PRINT1( _L( "Camera <= CCamZoomPane::ZoomValue iCurZoom=%d" ), iCurZoom );

   516     return iCurZoom;

   517     }

   518 

   519 // -----------------------------------------------------------------------------

   520 // CCamZoomPane::IsZoomAtMinimum

   521 // Returns whether the current zoom value is the minimum zoom

   522 // -----------------------------------------------------------------------------

   523 //

   524 TBool CCamZoomPane::IsZoomAtMinimum() const

   525     {

   526     PRINT2(_L("Camera =><= CCamZoomPane::IsZoomAtMinimum iCurZoom = %d, iMinZoom = %d"), iCurZoom, iMinZoom);

   527     return iCurZoom == iMinZoom;

   528     }

   529     

   530 // -----------------------------------------------------------------------------

   531 // CCamZoomPane::OkToShowPane

   532 // Returns whether or not the Zoom Pane can currently be shown.

   533 // -----------------------------------------------------------------------------

   534 //

   535 TBool CCamZoomPane::OkToShowPane() const

   536     {    

   537     PRINT( _L( "Camera => CCamZoomPane::OkToShowPane " ) );

   538     // Are we currently recording video?

   539     if ( iRecordingVideo )

   540         {   

   541         // Are we allowed to zoom when recording video?

   542         if ( ( iZoomSupport & ECamZoomWhenRecord ) )

   543             {

   544             PRINT( _L( "Camera <= CCamZoomPane::OkToShowPane ETrue" ) );

   545             return ETrue;

   546             }

   547         else // If not allowed, return false

   548             {

   549             PRINT( _L( "Camera <= CCamZoomPane::OkToShowPane EFalse" ) );

   550             return EFalse;

   551             }

   552         }

   553 

   554     // If a sequence capture is in progress

   555     if ( iController.SequenceCaptureInProgress() )

   556         {

   557         PRINT( _L( "Camera <= CCamZoomPane::OkToShowPane EFalse" ) );

   558         return EFalse;

   559         }

   560         

   561     PRINT( _L( "Camera <= CCamZoomPane::OkToShowPane ETrue" ) );

   562     return ETrue;

   563     }

   564 

   565 // -----------------------------------------------------------------------------

   566 // CCamZoomPane::HandleControllerEventL

   567 // Handle controller events, specifically to find out if video is currently

   568 // being recorded.  Only called if Zooming while recording is NOT allowed

   569 // -----------------------------------------------------------------------------

   570 //

   571 void CCamZoomPane::HandleControllerEventL( TCamControllerEvent aEvent, 

   572                                            TInt                /*aError*/ )

   573     {

   574     PRINT( _L( "Camera => CCamZoomPane::HandleControllerEventL " ) );

   575     switch ( aEvent )

   576         {

   577         case ECamEventOperationStateChanged:

   578             {

   579             iRecordingVideo = ECamControllerVideo == iController.CurrentMode()

   580                            && ECamCapturing == iController.CurrentOperation();

   581             break;

   582             }

   583         case ECamEventCameraChanged:

   584             {

   585             ReadLayoutL();

   586             break;

   587             }

   588         case ECamEventCaptureComplete:

   589             {

   590             // Release knob if image is captured with HW button while zooming.

   591             iIconZoomMarkerCurrent = iIconZoomMarker[0];

   592             break;

   593             }

   594         default:

   595             break;

   596         }

   597     PRINT( _L( "Camera <= CCamZoomPane::HandleControllerEventL " ) );

   598     }

   599 

   600 // -----------------------------------------------------------------------------

   601 // CCamZoomPane::Rect

   602 // Returns the zoom pane rect

   603 // -----------------------------------------------------------------------------

   604 //

   605 TRect CCamZoomPane::Rect() const

   606     {

   607     PRINT( _L( "Camera =><= CCamZoomPane::Rect " ) );

   608     return iZoomPaneRect;

   609     }

   610 

   611 // ---------------------------------------------------------

   612 // CCamZoomPane::ReadLayoutL

   613 // ---------------------------------------------------------

   614 //

   615 void CCamZoomPane::ReadLayoutL()

   616     {   

   617     PRINT( _L( "Camera =><= CCamZoomPane::ReadLayoutL " ) );

   618     

   619     if ( CamUtility::IsNhdDevice() ) 

   620         {

   621         TouchLayout();

   622         }

   623     else

   624         {

   625         NonTouchLayout();

   626         }

   627     }

   628 

   629 // -----------------------------------------------------------------------------

   630 // CCamZoomPane::IsVisible

   631 // Is the zoom pane invisible

   632 // -----------------------------------------------------------------------------

   633 //

   634 TBool CCamZoomPane::IsVisible() const

   635     {

   636     PRINT( _L( "Camera =><= CCamZoomPane::IsVisible " ) );

   637     return iVisible;

   638     }

   639 

   640 // -----------------------------------------------------------------------------

   641 // CCamZoomPane::MakeVisible

   642 // Makes the zoom pane visible

   643 // -----------------------------------------------------------------------------

   644 //

   645 void CCamZoomPane::MakeVisible( TBool aVisible, TBool aRedraw )

   646     {

   647     PRINT2( _L( "Camera => CCamZoomPane::MakeVisible aVisible=%d aRedraw=%d" ), aVisible, aRedraw );    

   648     iVisible = aVisible;

   649 

   650     CCamAppUi* appUi = static_cast<CCamAppUi*>( CEikonEnv::Static()->AppUi() );    

   651     

   652     // No zoom in secondary camera view

   653     if ( appUi && iController.ActiveCamera() == ECamActiveCameraPrimary )

   654         {

   655         if ( aVisible ) 

   656             {

   657             appUi->ShowZoomPane(aRedraw);

   658             }

   659         else

   660             {

   661             appUi->HideZoomPane(aRedraw);

   662             iVisible = EFalse;  

   663             }

   664         }

   665     PRINT( _L( "Camera <= CCamZoomPane::MakeVisible " ) );    

   666     }

   667 

   668 void CCamZoomPane::SetZoomKeys( const RArray<TInt>& aZoomIn,

   669                                 const RArray<TInt>& aZoomOut )

   670     {

   671     PRINT( _L( "Camera => CCamZoomPane::SetZoomKeys CAMERAAPP_MULTIPLE_ZOOM_KEYS" ) );    

   672     iZoomInKeys.Reset();

   673     ReadZoomKeys( aZoomIn, iZoomInKeys );

   674     iZoomOutKeys.Reset();

   675     ReadZoomKeys( aZoomOut, iZoomOutKeys );

   676     PRINT( _L( "Camera <= CCamZoomPane::SetZoomKeys " ) );    

   677     }

   678 

   679 // -----------------------------------------------------------------------------

   680 // CCamZoomPane::ReadZoomKeys

   681 // -----------------------------------------------------------------------------

   682 //

   683 void CCamZoomPane::ReadZoomKeys( const RArray<TInt>& aSource,

   684                                  RArray<TInt>& aTarget )

   685     {

   686     PRINT( _L( "Camera => CCamZoomPane::ReadZoomKeys " ) );

   687     for ( TInt i = 0; i < aSource.Count(); i++ )

   688         {

   689         // here we ignore the error 

   690         aTarget.Append( aSource[i] );

   691         }

   692     PRINT( _L( "Camera <= CCamZoomPane::ReadZoomKeys " ) );

   693     }

   694 

   695 // -----------------------------------------------------------------------------

   696 // CCamZoomPane::CheckForZoomKey

   697 // -----------------------------------------------------------------------------

   698 //

   699 TBool CCamZoomPane::CheckForZoomKey( const TKeyEvent& aKeyEvent,

   700                                      const RArray<TInt>& aKeys )

   701     {

   702     PRINT( _L( "Camera =><= CCamZoomPane::CheckForZoomKey " ) );

   703     return (KErrNotFound != aKeys.Find( aKeyEvent.iScanCode ));

   704     }

   705 

   706 

   707 // -----------------------------------------------------------------------------

   708 // CCamZoomPane::OfferKeyEventL

   709 // Handles key events for the zoom pane.

   710 // -----------------------------------------------------------------------------

   711 //

   712 TKeyResponse CCamZoomPane::OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType )

   713     {    

   714     PRINT2( _L("Camera => CCamZoomPane::OfferKeyEventL (%d) (%d)"),aKeyEvent.iScanCode, aType )

   715     TBool vertical = PaneOrientation() == EZPOrientationVertical;

   716 

   717  

   718     TBool foundZoomInKey =  CheckForZoomKey( aKeyEvent, iZoomInKeys  );

   719     TBool foundZoomOutKey = CheckForZoomKey( aKeyEvent, iZoomOutKeys );

   720 

   721     if ( foundZoomInKey && vertical ||

   722          foundZoomOutKey && !vertical )

   723         {

   724         // Block key events if touch is active

   725         if ( iTouchActive )

   726             {

   727             return EKeyWasConsumed;

   728             }

   729         // Handle a zoom-in key as a valid event, and start zoom

   730         else if ( aType == EEventKeyDown )

   731             {

   732             iModel->ZoomIn();      

   733             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKeyDown, zoom in"))

   734             return EKeyWasConsumed;      

   735             }

   736         // Handle an up zoom-in key as a valid event, only if currently

   737         // zooming.  Can get stray up events if user woke from standby

   738         // with zoom key.  This should filter these out.

   739         else if ( aType == EEventKeyUp &&

   740                   IsCurrentlyZooming() )

   741             {

   742             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKeyUp, stop zoom 1"))

   743             iModel->StopZoom();

   744             return EKeyWasConsumed;

   745             }

   746         // Handle special zoom-in once request

   747         else if ( aType == EEventUser &&

   748                   !IsCurrentlyZooming() )

   749             {

   750             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKeyUp, zoom in once"))

   751             iModel->ZoomIn( ETrue );

   752             return EKeyWasConsumed;

   753             }

   754         // Repeat "key" events are consumed (to keep the bar visible) but

   755         // no need to do anything with it as zooming is timer (not key event) based

   756         else if ( aType == EEventKey &&

   757                   aKeyEvent.iRepeats > 0 )

   758             {            

   759             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKey repeated 1"))

   760             // Do nothing with it, but consume it

   761             return EKeyWasConsumed;

   762             }

   763         else

   764             {

   765             // empty statement to remove Lint error.

   766             }

   767         

   768         }

   769     // If the orientation of the zoom pane changes, the keys to zoom in/out 

   770     // need to switch to move in the correct direction on the zoom pane.

   771     else if ( foundZoomOutKey && vertical ||

   772               foundZoomInKey && !vertical )

   773         {   

   774         // Handle a zoom-out key as a valid event, and start zoom

   775         if ( aType == EEventKeyDown )

   776             {

   777             iModel->ZoomOut();

   778             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKeyDown, zoom out"))

   779             return EKeyWasConsumed;

   780             }

   781         // Handle an up zoom-out key as a valid event, only if currently

   782         // zooming.  Can get stray up events if user woke from standby

   783         // with zoom key.  This should filter these out.            

   784         else if ( aType == EEventKeyUp &&

   785                   IsCurrentlyZooming() )

   786             {

   787             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKeyUp, calling StopZoom"))

   788             iModel->StopZoom();

   789             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKeyUp, stop zoom 2"))

   790             return EKeyWasConsumed;

   791             }

   792         // Handle special zoom-out once request

   793         else if ( aType == EEventUser &&

   794                   !IsCurrentlyZooming() )

   795             {

   796             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKeyUp, zoom out once"))

   797             iModel->ZoomOut( ETrue );

   798             return EKeyWasConsumed;

   799             }

   800         // Repeat "key" events are consumed (to keep the bar visible) but

   801         // no need to do anything with it as zooming is timer (not key event) based

   802         else if ( aType == EEventKey &&

   803                   aKeyEvent.iRepeats > 0 )

   804             {        

   805             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKey repeated 2"))

   806             // Do nothing with it, but consume it

   807             return EKeyWasConsumed;

   808             }

   809         else

   810             {    

   811             // empty statement to remove Lint error.   

   812             PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKey empty statement!"))

   813             }

   814         

   815         }

   816     // otherwise, do nothing

   817     else

   818         {

   819         // empty statement to remove Lint error.

   820         PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL EEventKey empty statement!!"))

   821         }

   822 	PRINT( _L("Camera <= CCamZoomPane::OfferKeyEventL not consumed"))

   823     return EKeyWasNotConsumed;

   824     }

   825 

   826 // -----------------------------------------------------------------------------

   827 // CCamZoomPane::HandleForegroundEvent

   828 // Performs required actions on gaining/losing foreground

   829 // -----------------------------------------------------------------------------

   830 //

   831 void CCamZoomPane::HandleForegroundEvent( TBool aForeground )

   832     {

   833     PRINT( _L( "Camera => CCamZoomPane::HandleForegroundEvent " ) );

   834     if ( !aForeground )

   835         {

   836         // Ensure any ongoing zoom is stopped

   837         PRINT( _L( "Camera <> CCamZoomPane::HandleForegroundEvent calling StopZoom" ) );

   838         iModel->StopZoom();            

   839         }

   840     PRINT( _L( "Camera <= CCamZoomPane::HandleForegroundEvent " ) );

   841     }

   842 

   843 // -----------------------------------------------------------------------------

   844 // CCamZoomPane::IsCurrentlyZooming

   845 // Returns ETrue if the zoom model is currently zooming in/out,

   846 // else returns EFalse

   847 // -----------------------------------------------------------------------------

   848 //

   849 TBool CCamZoomPane::IsCurrentlyZooming() const

   850     {

   851     PRINT( _L( "Camera =><= CCamZoomPane::IsCurrentlyZooming " ) );

   852     return iModel->IsCurrentlyZooming();

   853     }

   854 

   855 // -----------------------------------------------------------------------------

   856 // CCamZoomPane::ResetToDefaultAfterPrepare

   857 // Sets the zoompane to reset the zoom level to default values

   858 // next time the engine is prepared

   859 // -----------------------------------------------------------------------------

   860 //

   861 void CCamZoomPane::ResetToDefaultAfterPrepare( TBool aReset )

   862     {

   863     PRINT( _L( "Camera =><= CCamZoomPane::ResetToDefaultAfterPrepare " ) );

   864     iModel->ResetToDefaultAfterPrepare( aReset );

   865     }

   866     

   867 // -----------------------------------------------------------------------------

   868 // CCamZoomPane::IsResetPending

   869 // Whether or not the zoom level is waiting to be reset to default

   870 // -----------------------------------------------------------------------------

   871 //

   872 TBool CCamZoomPane::IsResetPending() const

   873     {

   874     PRINT( _L( "Camera =><= CCamZoomPane::IsResetPending " ) );

   875     return iModel->IsResetPending();

   876     }    

   877 

   878 // -----------------------------------------------------------------------------    

   879 // CCamZoomPane::StopZoom

   880 // Stops zoom actions

   881 // -----------------------------------------------------------------------------

   882 //

   883 void CCamZoomPane::StopZoom()

   884     {

   885     PRINT( _L( "Camera => CCamZoomPane::StopZoom " ) );

   886     iModel->StopZoom();

   887     PRINT( _L( "Camera <= CCamZoomPane::StopZoom " ) );

   888     }

   889 

   890 // -----------------------------------------------------------------------------

   891 // CCamZoomPane::ResetZoomTo1x

   892 // Resets the zoom level to 1x.

   893 // -----------------------------------------------------------------------------

   894 //

   895 void CCamZoomPane::ResetZoomTo1x()

   896     {

   897     PRINT( _L( "Camera => CCamZoomPane::ResetZoomTo1x " ) );

   898     iModel->ResetZoomTo1x();

   899     PRINT( _L( "Camera <= CCamZoomPane::ResetZoomTo1x " ) );

   900     }

   901 

   902 // -----------------------------------------------------------------------------

   903 // CCamZoomPane::StartTouchZoomL

   904 // -----------------------------------------------------------------------------

   905 //

   906 TBool CCamZoomPane::StartTouchZoomL( TInt aPointer )  

   907     {     

   908     PRINT( _L( "Camera => CCamZoomPane::StartTouchZoomL" ) );

   909     

   910     // Block key events

   911     iTouchActive = ETrue;

   912     if ( !iMaxZoom ) // Avoid division by zero 

   913         {

   914         return EFalse;

   915         }

   916     TInt pixelsPerStep = ( iMaxOffset * KDivisorFactor ) / (iMaxZoom+1);

   917 

   918     PRINT1( _L( "Camera <> CCamZoomPane::StartTouchZoomL (iMaxZoom) %d" ), iMaxZoom );

   919     PRINT1( _L( "Camera <> CCamZoomPane::StartTouchZoomL (iMinZoom) %d" ), iMinZoom );

   920     PRINT1( _L( "Camera <> CCamZoomPane::StartTouchZoomL (pixelsPerStep) %d" ), pixelsPerStep );

   921 

   922     // New zoom according to touched point                        

   923     TInt base = iSliderParentRect.iBr.iY - aPointer;

   924     PRINT1( _L( "Camera <> CCamZoomPane::StartTouchZoomL (base) %d" ), base );

   925 

   926     // Target zoom level 

   927     iTrgZoom = base * KDivisorFactor / pixelsPerStep;

   928     iTrgZoom = ( iTrgZoom < iMinZoom )? iMinZoom:iTrgZoom;

   929     iTrgZoom = ( iTrgZoom > iMaxZoom )? iMaxZoom:iTrgZoom;

   930     PRINT1( _L( "Camera <> CCamZoomPane::StartTouchZoomL (iTrgZoom) %d" ), iTrgZoom );

   931    

   932     // Only update zoom when necessary

   933     if ( Abs( aPointer - iPointerPrevi ) >= pixelsPerStep / KDivisorFactor &&

   934          iTrgZoom != iCurZoom )

   935         {

   936         PRINT( _L( "Camera <> CCamZoomPane::StartTouchZoomL ZoomTo" ) );

   937         iModel->ZoomTo( iTrgZoom );

   938         iPointerPrevi = aPointer;

   939         PRINT( _L( "Camera <= CCamZoomPane::StartTouchZoomL ETrue" ) );

   940         return ETrue;

   941         }       

   942         

   943     // Pointer didn't move, so we don't need to update anything

   944     PRINT( _L( "Camera <= CCamZoomPane::StartTouchZoomL EFalse" ) );

   945     return EFalse;

   946     }

   947     

   948 // -----------------------------------------------------------------------------

   949 // CCamZoomPane::HandlePointerEventL

   950 // -----------------------------------------------------------------------------

   951 //

   952 TBool CCamZoomPane::HandlePointerEventL( const TPointerEvent& aPointerEvent )

   953     {

   954     PRINT( _L( "Camera => CCamZoomPane::HandlePointerEventL" ) );

   955 

   956     if ( PaneOrientation() != EZPOrientationVertical )

   957         {

   958         PRINT( _L( "Camera <= CCamZoomPane::HandlePointerEventL (orientation)" ) );

   959         return EFalse; // EZPOrientationHorizontal not supported               

   960         }

   961     

   962     TRect tchZoomArea = iSliderParentRect;

   963     tchZoomArea.Grow( KTouchAreaExpansion, KTouchAreaExpansion );

   964     TPointerEvent::TType type = aPointerEvent.iType;

   965     

   966     // Only make the pane appear on first touch

   967     if( !IsVisible() &&

   968         type == TPointerEvent::EButton1Down )

   969         {

   970         Touchfeedback(); 

   971         StopZoom();

   972         MakeVisible( ETrue, ETrue );

   973         PRINT( _L( "Camera <= CCamZoomPane::HandlePointerEventL (first touch)" ) );

   974         return ETrue;

   975         }

   976 

   977     // At this point, the zoom pane should have already been visible

   978     // so we activate touch zoom if the pointer is on the zoom pane

   979     if ( IsVisible() &&

   980          tchZoomArea.Contains( aPointerEvent.iPosition ) &&

   981          type == TPointerEvent::EButton1Down )

   982         {

   983         Touchfeedback(); 

   984         // Change zoom thumb to non-dimmed

   985         iIconZoomMarkerCurrent = iIconZoomMarkerGray[0]; // Dimmed knob

   986         // Force redraw of zoom pane, so knob will be dimmed

   987         TBool ret = ETrue;

   988         // Update zoom position, if necessary

   989         StartTouchZoomL( aPointerEvent.iPosition.iY );

   990         PRINT( _L( "Camera <= CCamZoomPane::HandlePointerEventL (touch active)" ) );

   991         return ret;

   992         }

   993         

   994     // If the zoom panel is visible, but the touch event is not in the

   995     // zoom area, then make the zoom pane disappear.

   996     if ( IsVisible() &&

   997          !tchZoomArea.Contains( aPointerEvent.iPosition ) &&

   998          type == TPointerEvent::EButton1Down )

   999         {

  1000         Touchfeedback();

  1001         // Cancel zoom if user is pushing the volume key

  1002         StopZoom(); 

  1003         // Hide zoom pane

  1004         MakeVisible( EFalse, ETrue );

  1005         PRINT( _L( "Camera <= CCamZoomPane::HandlePointerEventL (make disappear)" ) );

  1006         // return EFalse so the calling component doesn't reactivate the zoom pane

  1007         return EFalse;

  1008         }

  1009         

  1010     // Only allow drag if the zoom is already active

  1011     if ( type == TPointerEvent::EDrag &&

  1012          iTouchActive )

  1013         { 

  1014         TBool ret = StartTouchZoomL( aPointerEvent.iPosition.iY );

  1015         PRINT( _L( "Camera <= CCamZoomPane::HandlePointerEventL (dragging)" ) );

  1016         return ret;

  1017         }  

  1018     

  1019     // Clean up when the touch events are stopped

  1020     if ( type == TPointerEvent::EButton1Up )

  1021         {

  1022         // don't do anything for stray touches

  1023         if ( iTouchActive )

  1024             {

  1025             // Key events are no longer blocked

  1026             iTouchActive = EFalse;

  1027             // Change zoom thumb to non-dimmed

  1028             iIconZoomMarkerCurrent = iIconZoomMarker[0]; 

  1029             // force redraw of zoom pane, so knob is not dimmed anymore

  1030             MakeVisible( ETrue, ETrue );

  1031             PRINT( _L( "Camera <= CCamZoomPane::HandlePointerEventL (touch stopped)" ) );

  1032             return ETrue;

  1033             }

  1034 

  1035         PRINT( _L( "Camera <= CCamZoomPane::HandlePointerEventL (touch not active)" ) );

  1036         return EFalse;

  1037         }

  1038          

  1039     PRINT( _L( "Camera <= CCamZoomPane::HandlePointerEventL (not handled)" ) );

  1040     return EFalse;

  1041     }

  1042 

  1043 // ---------------------------------------------------------

  1044 // CCamZoomPane::SizeChanged

  1045 // Called when the view size is changed

  1046 // ---------------------------------------------------------

  1047 //

  1048 void CCamZoomPane::SizeChanged() 

  1049     {

  1050     PRINT( _L( "Camera => CCamZoomPane::SizeChanged" ) );

  1051     if ( CamUtility::IsNhdDevice() ) 

  1052         {

  1053         TouchLayout();

  1054         }

  1055     else

  1056         {

  1057         NonTouchLayout();

  1058         }

  1059                               

  1060     PRINT( _L( "Camera <= CCamZoomPane::SizeChanged" ) );                       

  1061     }

  1062     

  1063 // ---------------------------------------------------------

  1064 // CCamZoomPane::TouchLayout

  1065 // ---------------------------------------------------------

  1066 void CCamZoomPane::TouchLayout() 

  1067     {

  1068     PRINT( _L( "Camera => CCamZoomPane::TouchLayout()" ) );

  1069     TRect mainPaneRect;   

  1070     iMaxOffset = 0;

  1071     AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EApplicationWindow,

  1072                                        mainPaneRect );  

  1073     mainPaneRect.Move( -mainPaneRect.iTl ); 

  1074     

  1075     TInt variant = Layout_Meta_Data::IsLandscapeOrientation();                                     

  1076     TAknWindowComponentLayout l = AknLayoutScalable_Apps::cam4_zoom_pane(variant); 

  1077 

  1078     TAknLayoutRect area;

  1079     area.LayoutRect( mainPaneRect, l.LayoutLine() ); 

  1080     iZoomPaneRect = area.Rect();

  1081 

  1082     l = AknLayoutScalable_Apps::cam4_zoom_cont_pane(variant); 

  1083     area.LayoutRect( iZoomPaneRect, l.LayoutLine() );

  1084     iSliderParentRect = area.Rect();

  1085     

  1086     l = AknLayoutScalable_Apps::cam4_zoom_pane_g1(variant); // +

  1087     area.LayoutRect( iZoomPaneRect, l.LayoutLine() );

  1088     AknIconUtils::SetSize( iIconZoomMax[0], area.Rect().Size(), 

  1089                            EAspectRatioNotPreserved );

  1090     iPlusPoint = area.Rect().iTl;                       

  1091     

  1092     l = AknLayoutScalable_Apps::cam4_zoom_pane_g2(variant); // -

  1093     area.LayoutRect( iZoomPaneRect, l.LayoutLine() );

  1094     AknIconUtils::SetSize( iIconZoomMin[0], area.Rect().Size(), 

  1095                            EAspectRatioNotPreserved );

  1096     iMinusPoint = area.Rect().iTl;                             

  1097     

  1098     l = AknLayoutScalable_Apps::cam4_zoom_cont_pane_g1(variant); // Top

  1099     area.LayoutRect( iSliderParentRect, l.LayoutLine() );

  1100     AknIconUtils::SetSize( iIconZoomTop[0], area.Rect().Size(), 

  1101                            EAspectRatioNotPreserved );

  1102     iTopPoint = area.Rect().iTl;                           

  1103     iMaxOffset += area.Rect().Height();

  1104     

  1105     l = AknLayoutScalable_Apps::cam4_zoom_cont_pane_g3(variant); // Middle

  1106     area.LayoutRect( iSliderParentRect, l.LayoutLine() );

  1107     iIconZoomMiddle[0]->Resize( area.Rect().Size());

  1108     AknIconUtils::SetSize( iIconZoomMiddle[0], area.Rect().Size(), 

  1109                            EAspectRatioNotPreserved );

  1110     iMiddlePoint = area.Rect().iTl;                        

  1111     iMaxOffset += area.Rect().Height();

  1112 

  1113     l = AknLayoutScalable_Apps::cam4_zoom_cont_pane_g2(variant); // Bottom

  1114     area.LayoutRect( iSliderParentRect, l.LayoutLine() );

  1115     AknIconUtils::SetSize( iIconZoomBottom[0], area.Rect().Size(), 

  1116                            EAspectRatioNotPreserved );

  1117     iBottomPoint = area.Rect().iTl;                        

  1118     TRect bottomRect = area.Rect();

  1119     iMaxOffset += area.Rect().Height();

  1120     

  1121     l = AknLayoutScalable_Apps::cam4_zoom_pane_g3(variant); // Knob

  1122     area.LayoutRect(iSliderParentRect, l.LayoutLine() );

  1123     TRect adj = iZoomPaneRect;

  1124 	adj.SetHeight( area.Rect().Height() );

  1125 	adj.Move( bottomRect.Center() - adj.Center() );

  1126     AknIconUtils::SetSize( iIconZoomMarker[0], adj.Size() );  

  1127     AknIconUtils::SetSize( iIconZoomMarkerGray[0], adj.Size() );

  1128    

  1129     }

  1130 

  1131 // ---------------------------------------------------------

  1132 // CCamZoomPane::NonTouchLayout

  1133 // ---------------------------------------------------------

  1134 void CCamZoomPane::NonTouchLayout()