vtuis/videotelui/src/features/zoom/cvtuizoompopup.cpp
changeset 0 ed9695c8bcbe
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     1 /*
       
     2 * Copyright (c) 2006 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:  Zoom popup implementation.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include    <aknvolumepopup.h>
       
    20 #include    <cvtlogger.h>
       
    21 #include    "cvtuizoompopup.h"
       
    22 #include    "cvtuifeaturemanager.h"
       
    23 #include	"tVtuifeaturevariation.h"
       
    24 #include    "CVtUiAppUi.h"
       
    25 #include    "cvtengmodel.h"
       
    26 
       
    27 // Number of zoom steps
       
    28 static const TInt KZoomStepCount = 10;
       
    29 
       
    30 // Minimum zoom factor value
       
    31 static const TInt KMinZoomFactor = 0;
       
    32 
       
    33 // default time out time for zoom popup
       
    34 const TInt KDefaultZoomTimeOutTime = 5;  
       
    35 
       
    36 // ---------------------------------------------------------------------------
       
    37 // CVtUiZoomPopup::NewL
       
    38 // ---------------------------------------------------------------------------
       
    39 //
       
    40 CVtUiZoomPopup* CVtUiZoomPopup::NewL( CVtUiFeatureManager&
       
    41     aFeatureManager )
       
    42     {
       
    43     __VTPRINTENTER( "CVtUiZoomPopup.NewL" )
       
    44     CVtUiZoomPopup* self =
       
    45         new ( ELeave ) CVtUiZoomPopup( aFeatureManager );
       
    46     CleanupStack::PushL( self );
       
    47     self->ConstructL();
       
    48     CleanupStack::Pop();
       
    49     __VTPRINTEXIT( "CVtUiZoomPopup.NewL" )
       
    50     return self;
       
    51     }
       
    52 
       
    53 // ---------------------------------------------------------------------------
       
    54 // CVtUiZoomPopup::~CVtUiZoomPopup
       
    55 // ---------------------------------------------------------------------------
       
    56 //
       
    57 CVtUiZoomPopup::~CVtUiZoomPopup()
       
    58     {
       
    59     __VTPRINTENTER( "CVtUiZoomPopup.~" )
       
    60     __VTPRINTEXIT( "CVtUiZoomPopup.~" )
       
    61     }
       
    62 
       
    63 // ---------------------------------------------------------------------------
       
    64 // CVtUiZoomPopup::RefreshL
       
    65 // ---------------------------------------------------------------------------
       
    66 //
       
    67 void CVtUiZoomPopup::RefreshL()
       
    68     {
       
    69     __VTPRINTENTER( "CVtUiZoomPopup.RefreshL" )
       
    70     
       
    71     UpdateAdjustRangeL();
       
    72     
       
    73     iCurrent = CurrentZoomStep();
       
    74     if ( iCurrent < KMinZoomFactor )
       
    75         {
       
    76         User::Leave( KErrArgument );
       
    77         }
       
    78     SetValue( iCurrent );
       
    79     ShowPopupL();
       
    80     __VTPRINTEXIT( "CVtUiZoomPopup.RefreshL" )
       
    81     }
       
    82 
       
    83 // ---------------------------------------------------------------------------
       
    84 // CVtUiZoomPopup::DoActivateL()
       
    85 // ---------------------------------------------------------------------------
       
    86 //
       
    87 void CVtUiZoomPopup::DoActivateL()
       
    88     {
       
    89     __VTPRINTENTER( "CVtUiZoomPopup.DoActivateL" )
       
    90     UpdateAdjustRangeL();
       
    91     CVtUiPopupBase::DoActivateL();
       
    92     // In order to refresh softkey.
       
    93     iFeatureManager.AppUi().RefreshSoftkeysL();
       
    94     __VTPRINTEXIT( "CVtUiZoomPopup.DoActivateL" )
       
    95     }
       
    96 
       
    97 // ---------------------------------------------------------------------------
       
    98 // CVtUiZoomPopup::OfferKeyEventL()
       
    99 // ---------------------------------------------------------------------------
       
   100 //
       
   101 TKeyResponse CVtUiZoomPopup::OfferKeyEventL( const TKeyEvent& aEvent,
       
   102     TEventCode aCode )
       
   103     {
       
   104     __VTPRINTENTER( "CVtUiZoomPopup.OfferKeyEventL" )
       
   105     TKeyResponse response( EKeyWasNotConsumed );
       
   106     // Don't  handle other types here
       
   107     if ( aCode != EEventKey )
       
   108         {
       
   109         return response;
       
   110         }
       
   111         
       
   112     if ( aEvent.iScanCode == EStdKeyUpArrow ||
       
   113          aEvent.iScanCode == EStdKeyDownArrow ||
       
   114          aEvent.iCode == EKeyZoomIn ||
       
   115          aEvent.iCode == EKeyZoomOut )
       
   116         {
       
   117         __VTPRINT( DEBUG_GEN, "CVtUiZoomPopup.OfferKeyEventL zoom key" )
       
   118         TInt step( 1 );
       
   119         if ( aEvent.iScanCode == EStdKeyDownArrow ||
       
   120              aEvent.iCode == EKeyZoomOut )
       
   121             {
       
   122             step = -step;
       
   123             }
       
   124         const TInt current( Value() );
       
   125         TInt value( current + step );
       
   126         value = Max( KMinZoomFactor, Min( value, KZoomStepCount ) );
       
   127         if ( value != current )
       
   128             {
       
   129             __VTPRINT2( DEBUG_GEN, "CVtUiZoomPopup.OfferKeyEventL zoom = %d",
       
   130                 value )
       
   131             SetValue( value );
       
   132             iFeatureManager.AppUi().SetZoomFactorL( ScaledValue() );
       
   133             response = EKeyWasConsumed;
       
   134             }
       
   135         ShowPopupL();
       
   136         }
       
   137     __VTPRINTEXITR( "CVtUiZoomPopup.OfferKeyEventL %d", response )
       
   138     return response;
       
   139     }
       
   140 
       
   141 // ---------------------------------------------------------------------------
       
   142 // CVtUiZoomPopup::HandleControlEventL
       
   143 // ---------------------------------------------------------------------------
       
   144 //
       
   145 void CVtUiZoomPopup::HandleControlEventL( CCoeControl* aControl,
       
   146     TCoeEvent aEventType )
       
   147     {
       
   148     __VTPRINTENTER( "CVtUiZoomPopup.HandleControlEventL" )
       
   149     CVtUiPopupBase::HandleControlEventL( aControl, aEventType );
       
   150     
       
   151     if ( aEventType == EEventStateChanged )
       
   152         {
       
   153         __VTPRINT2( DEBUG_GEN, "CVtUiZoomPopup.HandleControlEventL zoom = %d", ScaledValue() )
       
   154         
       
   155         if ( CurrentZoomStep() != Value() )
       
   156             {
       
   157             iFeatureManager.AppUi().SetZoomFactorL( ScaledValue() );
       
   158             }
       
   159         }
       
   160         
       
   161     __VTPRINTEXIT( "CVtUiZoomPopup.HandleControlEventL" )
       
   162     }
       
   163 
       
   164 // ---------------------------------------------------------------------------
       
   165 // CVtUiZoomPopup::CVtUiZoomPopup
       
   166 // ---------------------------------------------------------------------------
       
   167 //
       
   168 CVtUiZoomPopup::CVtUiZoomPopup( CVtUiFeatureManager& aFeatureManager )
       
   169     : CVtUiPopupBase( aFeatureManager.ComponentManager(),
       
   170       TVtUiBlockListBitField(
       
   171         MVtUiComponent::EComponentIdDialer |
       
   172         MVtUiComponent::EComponentIdToolbar |
       
   173         MVtUiComponent::EComponentIdNumberEntry |
       
   174         MVtUiComponent::EComponentIdVolume  |
       
   175         MVtUiComponent::EVComponentIdBrightness |
       
   176         MVtUiComponent::EVComponentIdContrast
       
   177         ),
       
   178       EComponentIdZoom ),
       
   179       iFeatureManager( aFeatureManager ),
       
   180       iMedia( aFeatureManager.AppUi().Model().Media() ),
       
   181       iCurrent( KErrNotReady )
       
   182     {
       
   183     __VTPRINTENTER( "CVtUiZoomPopup.CVtUiZoomPopup" )
       
   184     __VTPRINTEXIT( "CVtUiZoomPopup.CVtUiZoomPopup" )
       
   185     }
       
   186 
       
   187 // ---------------------------------------------------------------------------
       
   188 // CVtUiZoomPopup::ConstructL
       
   189 // ---------------------------------------------------------------------------
       
   190 //
       
   191 void CVtUiZoomPopup::ConstructL()
       
   192     {
       
   193     __VTPRINTENTER( "CVtUiZoomPopup.ConstructL" )
       
   194     BaseConstructL();
       
   195     // Set slider type to percentage
       
   196     SetValueType( EAknSliderValuePercentage );
       
   197     
       
   198     // Set timeout
       
   199     SetTimeOut( KDefaultZoomTimeOutTime );
       
   200     __VTPRINTEXIT( "CVtUiZoomPopup.ConstructL" )
       
   201     }
       
   202 
       
   203 // ---------------------------------------------------------------------------
       
   204 // CVtUiZoomPopup::UpdateAdjustRangeL
       
   205 // ---------------------------------------------------------------------------
       
   206 //
       
   207 void CVtUiZoomPopup::UpdateAdjustRangeL()
       
   208     {
       
   209     __VTPRINTENTER( "CVtUiZoomPopup.UpdateAdjustRangeL" )
       
   210     // Get max zoom step from engine
       
   211     iMax = MaxZoomStep();
       
   212     // Set value range to visible slider control
       
   213     // range 0-10 or 0-iMax if max < 0
       
   214     // stepcount = 10 or iMax if max < 10
       
   215     SetAdjustRange( KMinZoomFactor, Min( KZoomStepCount, iMax ), Min( KZoomStepCount, iMax ) );
       
   216    
       
   217     // Set value range to baseclass
       
   218     // range on e.g. 0-20
       
   219     SetMinAndMaxValues( KMinZoomFactor, iMax );    
       
   220     
       
   221     // Get current zoom step
       
   222     iCurrent = CurrentZoomStep();    
       
   223     
       
   224     if ( iCurrent == KErrNotFound || iMax == KErrNotFound || iCurrent > iMax )
       
   225         {
       
   226         User::Leave( KErrNotFound );
       
   227         }
       
   228     // Set new value
       
   229     SetValue( iCurrent );
       
   230     __VTPRINTEXIT( "CVtUiZoomPopup.UpdateAdjustRangeL" )
       
   231     }
       
   232 
       
   233 // ---------------------------------------------------------------------------
       
   234 // CVtUiZoomPopup::CurrentZoomStep
       
   235 // ---------------------------------------------------------------------------
       
   236 //
       
   237 TInt CVtUiZoomPopup::CurrentZoomStep() const
       
   238     {
       
   239     __VTPRINTENTER( "CVtUiZoomPopup.CurrentZoomStep" )
       
   240     TInt current( KMinZoomFactor );
       
   241     const TInt error( iMedia.GetCurrentZoomStep( current ) );
       
   242     current = ( error ? KErrNotFound : current );
       
   243     
       
   244     // Value asked from the engine must be scaled.
       
   245     // If the current asked  value is 1 then the scaling formula in the 
       
   246     // popupbase doesn't round the value to 1 there fore value is 
       
   247     // initalized to 1.
       
   248     TInt  val = 1; 
       
   249     if ( current != 1 )
       
   250         {
       
   251         val =  SliderValueWithScaling( current );
       
   252         }
       
   253     __VTPRINTEXITR( "CVtUiZoomPopup.CurrentZoomStep %d", val )
       
   254     return val;
       
   255     }
       
   256 
       
   257 // ---------------------------------------------------------------------------
       
   258 // CVtUiZoomPopup::MaxZoomStep
       
   259 // ---------------------------------------------------------------------------
       
   260 //
       
   261 TInt CVtUiZoomPopup::MaxZoomStep() const
       
   262     {
       
   263     __VTPRINTENTER( "CVtUiZoomPopup.MaxZoomStep" )
       
   264     TInt max( KMinZoomFactor );
       
   265     const TInt error( iMedia.GetMaxZoomStep( max ) );
       
   266     max = ( error ? KErrNotFound : max );
       
   267     __VTPRINTEXITR( "CVtUiZoomPopup.MaxZoomStep %d", max )
       
   268     return max;
       
   269     }
       
   270     
       
   271 // ---------------------------------------------------------------------------
       
   272 // CVtUiZoomPopup::ScaleAndSetZoomFactorL
       
   273 // ---------------------------------------------------------------------------
       
   274 //
       
   275 void CVtUiZoomPopup::ScaleAndSetZoomFactorL( TInt aValue )
       
   276     {
       
   277        __VTPRINTENTER( "CVtUiZoomPopup.ScaleAndSetZoomFactorL" )
       
   278     const TInt value = aValue * MaxZoomStep() / 10; // 10 vakioksi count + 1 ei yhtä
       
   279     iFeatureManager.AppUi().SetZoomFactorL( value );  
       
   280      __VTPRINTEXITR( "CVtUiZoomPopup.ScaleAndSetZoomFactorL %d", value )
       
   281     }
       
   282