emailuis/uicomponents/src/fscontrolbutton.cpp
branchRCL_3
changeset 64 3533d4323edc
child 73 c8382f7b54ef
equal deleted inserted replaced
63:d189ee25cf9d 64:3533d4323edc
       
     1 /*
       
     2 * Copyright (c) 2007 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:  Main class for Control Button component.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // <cmail> SF
       
    21 #include "emailtrace.h"
       
    22 #include <alf/alfevent.h>
       
    23 #include <alf/alfdecklayout.h>
       
    24 // </cmail>
       
    25 // Needed for pointer events.
       
    26 #include <alf/alfdisplay.h>
       
    27 #include <alf/alfroster.h>
       
    28 
       
    29 #include <AknUtils.h>
       
    30 
       
    31 #include <touchfeedback.h> // for MTouchFeedback
       
    32 
       
    33 #include "fscontrolbutton.h"
       
    34 #include "fscontrolbuttonmodel.h"
       
    35 #include "fscontrolbuttonvisualiser.h"
       
    36 #include "fscontrolbuttonobserver.h"
       
    37 #include "fsgenericpanic.h"
       
    38 #include "fstriggeredcomponent.h"
       
    39 #include "fstextstylemanager.h"
       
    40 #include "fslayoutmanager.h"
       
    41 
       
    42 
       
    43 // ======== MEMBER FUNCTIONS ========
       
    44 
       
    45 // ---------------------------------------------------------------------------
       
    46 // Constructor.
       
    47 // ---------------------------------------------------------------------------
       
    48 //
       
    49 CFsControlButton::CFsControlButton(
       
    50     MFsControlButtonObserver& aParent,
       
    51     CAlfDeckLayout& aParentLayout ) :
       
    52     iParent( aParent ),
       
    53     iParentLayout( aParentLayout )
       
    54     {
       
    55     FUNC_LOG;
       
    56     }
       
    57 
       
    58 
       
    59 // ---------------------------------------------------------------------------
       
    60 // Second phase constructor.
       
    61 // ---------------------------------------------------------------------------
       
    62 //
       
    63 void CFsControlButton::ConstructL(
       
    64     CAlfEnv& aEnv,
       
    65     TInt aId,
       
    66     TFsControlButtonType aType,
       
    67     TRect& aStartPoint,
       
    68     CFsTextStyleManager* aTextStyleManager )
       
    69     {
       
    70     FUNC_LOG;
       
    71     CAlfControl::ConstructL( aEnv );
       
    72 
       
    73     iModel = CFsControlButtonModel::NewL(
       
    74         aId, aType, aStartPoint, iParentLayout );
       
    75 
       
    76     iVisualiser = CFsControlButtonVisualiser::NewL(
       
    77         *this, iParentLayout, aTextStyleManager );
       
    78     iVisualiser->InitializeL( *iModel );
       
    79     }
       
    80 
       
    81 
       
    82 // ---------------------------------------------------------------------------
       
    83 // Two-phased constructor.
       
    84 // ---------------------------------------------------------------------------
       
    85 //
       
    86 CFsControlButton* CFsControlButton::NewL(
       
    87     CAlfEnv& aEnv,
       
    88     MFsControlButtonObserver& aParent,
       
    89     TInt aId,
       
    90     TFsControlButtonType aType,
       
    91     TRect& aStartPoint,
       
    92     CAlfDeckLayout& aParentLayout,
       
    93     CFsTextStyleManager* aTextStyleManager )
       
    94     {
       
    95     FUNC_LOG;
       
    96     CFsControlButton* self =
       
    97         new( ELeave ) CFsControlButton( aParent, aParentLayout );
       
    98     CleanupStack::PushL( self );
       
    99     self->ConstructL(
       
   100         aEnv, aId, aType, aStartPoint, aTextStyleManager );
       
   101     CleanupStack::Pop( self );
       
   102     return self;
       
   103     }
       
   104 
       
   105 
       
   106 // ---------------------------------------------------------------------------
       
   107 // Destructor.
       
   108 // ---------------------------------------------------------------------------
       
   109 //
       
   110 CFsControlButton::~CFsControlButton()
       
   111     {
       
   112     FUNC_LOG;
       
   113     delete iModel;
       
   114     delete iVisualiser;
       
   115     }
       
   116 
       
   117 
       
   118 // ---------------------------------------------------------------------------
       
   119 // Sets first line of text in button.
       
   120 // ---------------------------------------------------------------------------
       
   121 //
       
   122 void CFsControlButton::SetTextL(
       
   123     const TDesC& aLabel,
       
   124     TFsButtonContent aContent )
       
   125     {
       
   126     FUNC_LOG;
       
   127     iModel->SetTextL( aLabel, aContent );
       
   128     switch ( aContent )
       
   129         {
       
   130         case EFsButtonFirstLine:
       
   131             iVisualiser->UpdateElementL( ECBElemLabelFirstLine );
       
   132             break;
       
   133         case EFsButtonSecondLine:
       
   134             iVisualiser->UpdateElementL( ECBElemLabelSndLine );
       
   135             break;
       
   136         default:
       
   137             User::Leave( KErrNotSupported );
       
   138             break;
       
   139         }
       
   140     }
       
   141 
       
   142 
       
   143 // ---------------------------------------------------------------------------
       
   144 // Sets visualiser for the button.
       
   145 // ---------------------------------------------------------------------------
       
   146 //
       
   147 void CFsControlButton::SetVisualiserL(
       
   148     CFsControlButtonVisualiser* aVisualiser )
       
   149     {
       
   150     FUNC_LOG;
       
   151     __ASSERT_ALWAYS( aVisualiser, User::Leave( KErrArgument ) );
       
   152 
       
   153     CFsControlButtonVisualiser* newVisualiser( aVisualiser );
       
   154     CleanupStack::PushL( newVisualiser );
       
   155 
       
   156     newVisualiser->SetParentControlL( this );
       
   157     newVisualiser->SetParentLayoutL( &iParentLayout );
       
   158     newVisualiser->InitializeL( *iModel );
       
   159 
       
   160     CleanupStack::Pop( newVisualiser );
       
   161 
       
   162     delete iVisualiser;
       
   163     iVisualiser = newVisualiser;
       
   164     }
       
   165 
       
   166 
       
   167 // ---------------------------------------------------------------------------
       
   168 // Retrieves button's visualiser.
       
   169 // ---------------------------------------------------------------------------
       
   170 //
       
   171 CFsControlButtonVisualiser* CFsControlButton::Visualiser()
       
   172     {
       
   173     FUNC_LOG;
       
   174     return iVisualiser;
       
   175     }
       
   176 
       
   177 
       
   178 // ---------------------------------------------------------------------------
       
   179 // Set the layout position index on controlbar.
       
   180 // ---------------------------------------------------------------------------
       
   181 //
       
   182 void CFsControlButton::SetParentIndex( TInt aLayoutPos )
       
   183     {
       
   184     FUNC_LOG;
       
   185     iModel->SetParentIndex( aLayoutPos );
       
   186     }
       
   187 
       
   188 
       
   189 // ---------------------------------------------------------------------------
       
   190 // Retrieves id of the button.
       
   191 // ---------------------------------------------------------------------------
       
   192 //
       
   193 TInt CFsControlButton::Id() const
       
   194     {
       
   195     FUNC_LOG;
       
   196     return iModel->Id();
       
   197     }
       
   198 
       
   199 
       
   200 // ---------------------------------------------------------------------------
       
   201 // Sets icon A or B. Panics if button's type is incorrect.
       
   202 // ---------------------------------------------------------------------------
       
   203 //
       
   204 void CFsControlButton::SetIconL(
       
   205     CAlfTexture& aIcon,
       
   206     TFsControlButtonElem aWhich )
       
   207     {
       
   208     FUNC_LOG;
       
   209     iModel->SetIconL( aIcon, aWhich );
       
   210     iVisualiser->UpdateElementL( aWhich );
       
   211     }
       
   212 
       
   213 
       
   214 // ---------------------------------------------------------------------------
       
   215 // Sets width of the button.
       
   216 // ---------------------------------------------------------------------------
       
   217 //
       
   218 void CFsControlButton::SetWidth( TInt aWidth )
       
   219     {
       
   220     FUNC_LOG;
       
   221     iModel->SetAutoSizeMode( MFsControlButtonInterface::EFsManual );
       
   222     iModel->SetWidth( aWidth );
       
   223     iVisualiser->Refresh();
       
   224     }
       
   225 
       
   226 // <cmail> Platform layout changes
       
   227 // ---------------------------------------------------------------------------
       
   228 // Sets size of the button.
       
   229 // ---------------------------------------------------------------------------
       
   230 //
       
   231 void CFsControlButton::SetSize( const TSize& aSize )
       
   232     {
       
   233     FUNC_LOG;
       
   234     iModel->SetAutoSizeMode( MFsControlButtonInterface::EFsManual );
       
   235     iModel->SetSize( aSize );
       
   236     iVisualiser->Refresh();
       
   237     }
       
   238 // </cmail> Platform layout changes
       
   239 
       
   240 // ---------------------------------------------------------------------------
       
   241 // Set auto size mode for button.
       
   242 // Defines how the buttons size is changed.
       
   243 // ---------------------------------------------------------------------------
       
   244 //
       
   245 void CFsControlButton::SetAutoSizeMode( TFsAutoSizeMode aAutoSizeMode )
       
   246     {
       
   247     FUNC_LOG;
       
   248     TBool refresh( aAutoSizeMode != iModel->AutoSizeMode() );
       
   249     iModel->SetAutoSizeMode( aAutoSizeMode );
       
   250     if ( refresh )
       
   251         {
       
   252         iVisualiser->Refresh();
       
   253         }
       
   254     }
       
   255 
       
   256 
       
   257 // ---------------------------------------------------------------------------
       
   258 // Sets focus to control button.
       
   259 // ---------------------------------------------------------------------------
       
   260 //
       
   261 void CFsControlButton::SetFocus( TBool aState )
       
   262     {
       
   263     FUNC_LOG;
       
   264     iModel->SetFocus( aState );
       
   265     iVisualiser->Refresh();
       
   266     }
       
   267 
       
   268 
       
   269 // ---------------------------------------------------------------------------
       
   270 // Refresh the button's position.
       
   271 // ---------------------------------------------------------------------------
       
   272 //
       
   273 void CFsControlButton::RefreshButtonPosition( TSize& aParentSize )
       
   274     {
       
   275     FUNC_LOG;
       
   276     iModel->RefreshButtonPosition( aParentSize );
       
   277     }
       
   278 
       
   279 
       
   280 // ---------------------------------------------------------------------------
       
   281 // Checks if button has focus.
       
   282 // ---------------------------------------------------------------------------
       
   283 //
       
   284 TBool CFsControlButton::IsFocused() const
       
   285     {
       
   286     FUNC_LOG;
       
   287     return iModel->IsFocused();
       
   288     }
       
   289 
       
   290 // <cmail> Platform layout changes
       
   291 // ---------------------------------------------------------------------------
       
   292 // Sets position of the button (top left point).
       
   293 // ---------------------------------------------------------------------------
       
   294 //
       
   295 void CFsControlButton::SetPos( const TPoint& aTlPoint )
       
   296     {
       
   297     FUNC_LOG;
       
   298     iModel->SetPos( aTlPoint );
       
   299     iModel->SetAutoSizeMode( MFsControlButtonInterface::EFsManual );
       
   300 
       
   301     // Refresh buttons position to apply mirroring to it.
       
   302     TSize parent( iParentLayout.Size().Target().AsSize() );
       
   303     iModel->RefreshButtonPosition( parent );
       
   304 
       
   305     iVisualiser->Refresh();
       
   306     }
       
   307 // </cmail> Platform layout changes
       
   308 
       
   309 
       
   310 // ---------------------------------------------------------------------------
       
   311 // Retrieves position of button.
       
   312 // ---------------------------------------------------------------------------
       
   313 //
       
   314 const TAlfTimedPoint CFsControlButton::Pos() const
       
   315     {
       
   316     FUNC_LOG;
       
   317     return iVisualiser->Layout()->Pos();
       
   318     }
       
   319 
       
   320 
       
   321 // ---------------------------------------------------------------------------
       
   322 // Retrieves size of button.
       
   323 // ---------------------------------------------------------------------------
       
   324 //
       
   325 const TAlfTimedPoint CFsControlButton::Size() const
       
   326     {
       
   327     FUNC_LOG;
       
   328     return iVisualiser->Layout()->Size();
       
   329     }
       
   330 
       
   331 
       
   332 // ---------------------------------------------------------------------------
       
   333 // Sets component to button which will be triggered when button
       
   334 // is pressed.
       
   335 // ---------------------------------------------------------------------------
       
   336 //
       
   337 void CFsControlButton::SetTriggeredComponent(
       
   338     MFsTriggeredComponent& aComponent )
       
   339     {
       
   340     FUNC_LOG;
       
   341     iTriggeredComponent = &aComponent;
       
   342     }
       
   343 
       
   344 
       
   345 // ---------------------------------------------------------------------------
       
   346 // Clears triggered component. No more events to triggered
       
   347 // component are sent.
       
   348 // ---------------------------------------------------------------------------
       
   349 //
       
   350 void CFsControlButton::ClearTriggeredComponent()
       
   351     {
       
   352     FUNC_LOG;
       
   353     iTriggeredComponent = NULL;
       
   354     }
       
   355 
       
   356 
       
   357 // ---------------------------------------------------------------------------
       
   358 // Sets alignment of element.
       
   359 // ---------------------------------------------------------------------------
       
   360 //
       
   361 void CFsControlButton::SetElemAlignL(
       
   362     TFsControlButtonElem aButtonElem,
       
   363     TAlfAlignHorizontal aHAlign,
       
   364     TAlfAlignVertical aVAlign )
       
   365     {
       
   366     FUNC_LOG;
       
   367     iVisualiser->SetElemAlignL( aButtonElem, aHAlign, aVAlign );
       
   368     iVisualiser->Refresh();
       
   369     }
       
   370 
       
   371 
       
   372 // ---------------------------------------------------------------------------
       
   373 // Sets dimm state of the button.
       
   374 // ---------------------------------------------------------------------------
       
   375 //
       
   376 void CFsControlButton::SetDimmed( TBool aDimmed )
       
   377     {
       
   378     FUNC_LOG;
       
   379     if ( aDimmed != IsDimmed() )
       
   380         {
       
   381         iModel->SetDimmed( aDimmed );
       
   382         iVisualiser->Refresh();
       
   383 
       
   384         iParent.HandleButtonEvent(
       
   385             MFsControlButtonObserver::EEventButtonDimmStateChanged,
       
   386             iModel->Id() );
       
   387         }
       
   388     }
       
   389 
       
   390 
       
   391 // ---------------------------------------------------------------------------
       
   392 // Checks dimm state of the button.
       
   393 // ---------------------------------------------------------------------------
       
   394 //
       
   395 TBool CFsControlButton::IsDimmed() const
       
   396     {
       
   397     FUNC_LOG;
       
   398     return iModel->IsDimmed();
       
   399     }
       
   400 
       
   401 
       
   402 // ---------------------------------------------------------------------------
       
   403 // Shows (enables) button.
       
   404 // ---------------------------------------------------------------------------
       
   405 //
       
   406 void CFsControlButton::ShowButtonL()
       
   407     {
       
   408     FUNC_LOG;
       
   409     if ( !iVisualiser->IsVisible() )
       
   410         {
       
   411         iVisualiser->ShowL();
       
   412 
       
   413         iParent.HandleButtonEvent(
       
   414             MFsControlButtonObserver::EEventButtonVisibilityChanged,
       
   415             iModel->Id() );
       
   416         }
       
   417     }
       
   418 
       
   419 
       
   420 // ---------------------------------------------------------------------------
       
   421 // Hides (disables) button.
       
   422 // ---------------------------------------------------------------------------
       
   423 //
       
   424 void CFsControlButton::HideButton()
       
   425     {
       
   426     FUNC_LOG;
       
   427     if ( iVisualiser->IsVisible() )
       
   428         {
       
   429         iVisualiser->Hide();
       
   430 
       
   431         iParent.HandleButtonEvent(
       
   432             MFsControlButtonObserver::EEventButtonVisibilityChanged,
       
   433             iModel->Id() );
       
   434         }
       
   435     }
       
   436 
       
   437 
       
   438 // ---------------------------------------------------------------------------
       
   439 // Checks if button is visible or hidden.
       
   440 // ---------------------------------------------------------------------------
       
   441 //
       
   442 TBool CFsControlButton::IsVisible() const
       
   443     {
       
   444     FUNC_LOG;
       
   445     return iVisualiser->IsVisible();
       
   446     }
       
   447 
       
   448 
       
   449 // ---------------------------------------------------------------------------
       
   450 // Sets button's background image.
       
   451 // ---------------------------------------------------------------------------
       
   452 //
       
   453 void CFsControlButton::SetBackgroundImageL( CAlfImageBrush* aImage )
       
   454     {
       
   455     FUNC_LOG;
       
   456     iVisualiser->SetBackgroundImageL( aImage );
       
   457     }
       
   458 
       
   459 
       
   460 // ---------------------------------------------------------------------------
       
   461 // Sets button's background color.
       
   462 // ---------------------------------------------------------------------------
       
   463 //
       
   464 void CFsControlButton::SetBackgroundColor( const TRgb& aColor )
       
   465     {
       
   466     FUNC_LOG;
       
   467     iModel->SetTextColor( aColor, CFsControlButtonModel::EButtonBackground );
       
   468     iVisualiser->SetBackgroundColor( aColor );
       
   469     }
       
   470 
       
   471 
       
   472 // ---------------------------------------------------------------------------
       
   473 // Clears button's background color. Button is transparent.
       
   474 // ---------------------------------------------------------------------------
       
   475 //
       
   476 void CFsControlButton::ClearBackgroundColor()
       
   477     {
       
   478     FUNC_LOG;
       
   479     iVisualiser->ClearBackgroundColor();
       
   480     }
       
   481 
       
   482 
       
   483 // ---------------------------------------------------------------------------
       
   484 // Clears button's background image.
       
   485 // ---------------------------------------------------------------------------
       
   486 //
       
   487 void CFsControlButton::ClearBackgroundImage()
       
   488     {
       
   489     FUNC_LOG;
       
   490     iVisualiser->ClearBackgroundImage();
       
   491     }
       
   492 
       
   493 
       
   494 // ---------------------------------------------------------------------------
       
   495 // Retrieves text from control button.
       
   496 // ---------------------------------------------------------------------------
       
   497 //
       
   498 TPtrC CFsControlButton::Text( TFsButtonContent aContent ) const
       
   499     {
       
   500     FUNC_LOG;
       
   501     return iModel->Text( aContent );
       
   502     }
       
   503 
       
   504 
       
   505 // ---------------------------------------------------------------------------
       
   506 // Set new height for the button text.
       
   507 // ---------------------------------------------------------------------------
       
   508 //
       
   509 void CFsControlButton::SetTextHeight( const TInt aTextHeight )
       
   510     {
       
   511     FUNC_LOG;
       
   512     iVisualiser->SetTextHeight( aTextHeight );
       
   513     }
       
   514 
       
   515 
       
   516 // ---------------------------------------------------------------------------
       
   517 // Change the current font.
       
   518 // ---------------------------------------------------------------------------
       
   519 //
       
   520 void CFsControlButton::SetTextFontL( const TFontSpec& aFontSpec )
       
   521     {
       
   522     FUNC_LOG;
       
   523     iVisualiser->SetTextFontL( aFontSpec );
       
   524     }
       
   525 
       
   526 
       
   527 // ---------------------------------------------------------------------------
       
   528 // Set button's text color when it's not focused or dimmed.
       
   529 // ---------------------------------------------------------------------------
       
   530 //
       
   531 void CFsControlButton::SetNormalTextColor( const TRgb& aColor )
       
   532     {
       
   533     FUNC_LOG;
       
   534     iModel->SetTextColor( aColor, CFsControlButtonModel::EButtonNormal );
       
   535     iVisualiser->Refresh();
       
   536     }
       
   537 
       
   538 
       
   539 // ---------------------------------------------------------------------------
       
   540 // Set button's text color when it's focused.
       
   541 // ---------------------------------------------------------------------------
       
   542 //
       
   543 void CFsControlButton::SetFocusedTextColor( const TRgb& aColor )
       
   544     {
       
   545     FUNC_LOG;
       
   546     iModel->SetTextColor( aColor, CFsControlButtonModel::EButtonFocused );
       
   547     iVisualiser->Refresh();
       
   548     }
       
   549 
       
   550 
       
   551 // ---------------------------------------------------------------------------
       
   552 // Set button's text color when it's dimmed.
       
   553 // ---------------------------------------------------------------------------
       
   554 //
       
   555 void CFsControlButton::SetDimmedTextColor( const TRgb& aColor )
       
   556     {
       
   557     FUNC_LOG;
       
   558     iModel->SetTextColor( aColor, CFsControlButtonModel::EButtonDimmed );
       
   559     iVisualiser->Refresh();
       
   560     }
       
   561 
       
   562 
       
   563 // ---------------------------------------------------------------------------
       
   564 // Retrieves control button type.
       
   565 // ---------------------------------------------------------------------------
       
   566 //
       
   567 TFsControlButtonType CFsControlButton::ControlButtonType() const
       
   568     {
       
   569     FUNC_LOG;
       
   570     return iModel->Type();
       
   571     }
       
   572 
       
   573     // <cmail> Touch
       
   574 // ---------------------------------------------------------------------------
       
   575 // Returns this as CAlfControl
       
   576 // ---------------------------------------------------------------------------
       
   577 //
       
   578 CAlfControl* CFsControlButton::AsAlfControl()
       
   579     {
       
   580     return this;
       
   581     }
       
   582     // </cmail>
       
   583 
       
   584 // ---------------------------------------------------------------------------
       
   585 //
       
   586 // ---------------------------------------------------------------------------
       
   587 //
       
   588 void CFsControlButton::MakeFocusVisible( TBool aShow )
       
   589     {
       
   590     FUNC_LOG;
       
   591     iVisualiser->MakeFocusVisible( aShow );
       
   592     }
       
   593 
       
   594 // ---------------------------------------------------------------------------
       
   595 // From class CHuiControl/CAlfControl.
       
   596 // Called when an input event is being offered to the control.
       
   597 // ---------------------------------------------------------------------------
       
   598 //
       
   599 TBool CFsControlButton::OfferEventL( const TAlfEvent& aEvent )
       
   600     {
       
   601     FUNC_LOG;
       
   602     TBool result( EFalse );
       
   603 
       
   604     // no key handling when not shown or dimmed.
       
   605     if ( !IsVisible() || IsDimmed() )
       
   606         {
       
   607         return result;
       
   608         }
       
   609 
       
   610     if ( aEvent.IsKeyEvent() )
       
   611         {
       
   612         switch ( aEvent.Code() )
       
   613             {
       
   614             case EEventKeyDown:
       
   615                 {
       
   616                 if ( aEvent.KeyEvent().iScanCode == EStdKeyDevice3 )
       
   617                     {
       
   618                     iParent.HandleButtonEvent(
       
   619                         MFsControlButtonObserver::EEventButtonPressed, -1 );
       
   620                     result = ETrue;
       
   621                     }
       
   622                 break;
       
   623                 }
       
   624 
       
   625             case EEventKey:
       
   626                 {
       
   627                 if ( aEvent.KeyEvent().iScanCode == EStdKeyDevice3 )
       
   628                     {
       
   629                     iParent.HandleButtonEvent(
       
   630                         MFsControlButtonObserver::EEventButton,
       
   631                         iModel->Id() );
       
   632                     result = ETrue;
       
   633 
       
   634                     if ( iTriggeredComponent )
       
   635                         {
       
   636                         iTriggeredComponent->OpenComponent();
       
   637                         }
       
   638                     }
       
   639                 break;
       
   640                 }
       
   641 
       
   642             case EEventKeyUp:
       
   643                 {
       
   644                 if ( aEvent.KeyEvent().iScanCode == EStdKeyDevice3 )
       
   645                     {
       
   646                     iParent.HandleButtonEvent(
       
   647                         MFsControlButtonObserver::EEventButtonReleased, -1 );
       
   648                     result = ETrue;
       
   649                     }
       
   650                 break;
       
   651                 }
       
   652 
       
   653             default:
       
   654                 {
       
   655                 // event not consumed - result still got value EFalse
       
   656                 break;
       
   657                 }
       
   658             }
       
   659         }
       
   660     else if ( aEvent.IsPointerEvent() )
       
   661         {
       
   662         const TPointerEvent& pointerEvent( aEvent.PointerEvent() );
       
   663         switch (pointerEvent.iType)
       
   664             {
       
   665             case TPointerEvent::EButton1Down:
       
   666                 {
       
   667                 if( HitTest( aEvent.PointerEvent().iParentPosition ) )
       
   668                     {
       
   669                     iTouchPressed = ETrue;
       
   670 					// added for tactile feedback
       
   671 					MTouchFeedback* feedback = MTouchFeedback::Instance();
       
   672 					if (feedback)
       
   673 						{
       
   674 						feedback->InstantFeedback(ETouchFeedbackBasic);
       
   675 						}
       
   676 					
       
   677                     GrabPointerEvents( ETrue );
       
   678                     result = iParent.HandleButtonEvent(
       
   679                         MFsControlButtonObserver::EEventButtonTouchPressed,
       
   680                         iModel->Id() );
       
   681                     }
       
   682                 break;
       
   683                 }
       
   684             case TPointerEvent::EButton1Up:
       
   685                 {
       
   686                 if( iTouchPressed )
       
   687                     {
       
   688                     GrabPointerEvents( EFalse );
       
   689 
       
   690                     TInt buttonId( KErrNotFound );
       
   691                     if( HitTest( aEvent.PointerEvent().iParentPosition ) )
       
   692                         {
       
   693                         buttonId = iModel->Id();
       
   694                         }
       
   695                     result = iParent.HandleButtonEvent(
       
   696                         MFsControlButtonObserver::EEventButtonTouchReleased,
       
   697                         buttonId );
       
   698                     iTouchPressed = EFalse;
       
   699                     }
       
   700                 break;
       
   701                 }
       
   702             default:
       
   703                 {
       
   704                 break;
       
   705                 }
       
   706             }
       
   707         }
       
   708     return result;
       
   709     }
       
   710 
       
   711 // ---------------------------------------------------------------------------
       
   712 //
       
   713 // ---------------------------------------------------------------------------
       
   714 //
       
   715 void CFsControlButton::GrabPointerEvents( TBool aGrab )
       
   716     {
       
   717     CAlfDisplay* display = Display();
       
   718     if( display )
       
   719         {
       
   720         if ( aGrab )
       
   721             {
       
   722             display->Roster().AddPointerEventObserver(
       
   723                 EAlfPointerEventReportUnhandled, *this );
       
   724             }
       
   725         else
       
   726             {
       
   727             display->Roster().RemovePointerEventObserver(
       
   728                 EAlfPointerEventReportUnhandled, *this );
       
   729             }
       
   730         }
       
   731     }