idlehomescreen/xmluirendering/uiengine/src/xnfocuscontrol.cpp
changeset 0 f72a12da539e
child 2 08c6ee43b396
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-1:000000000000 0:f72a12da539e
       
     1 /*
       
     2 * Copyright (c) 2008 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:  Focus appearance drawer
       
    15 *
       
    16 */
       
    17 
       
    18 // System includes
       
    19 #include <AknsDrawUtils.h>
       
    20 #include <AknsUtils.h>
       
    21 #include <AknsItemID.h>
       
    22 
       
    23 // User includes
       
    24 #include "xncontroladapter.h"
       
    25 #include "xnproperty.h"
       
    26 #include "xnappuiadapter.h"
       
    27 #include "xnuiengine.h"
       
    28 #include "xnnode.h"
       
    29 #include "xninactivitymonitor.h"
       
    30 
       
    31 #include "xnfocuscontrol.h"
       
    32 
       
    33 // Constants
       
    34 const TInt KSkinGfxInnerRectShrink( 5 );
       
    35 
       
    36 // ============================ LOCAL FUNCTIONS ================================
       
    37 
       
    38 // ============================ MEMBER FUNCTIONS ===============================
       
    39 // -----------------------------------------------------------------------------
       
    40 // CXnFocusControl::NewL()
       
    41 // Two-phased constructor.
       
    42 // -----------------------------------------------------------------------------
       
    43 //
       
    44 CXnFocusControl* CXnFocusControl::NewL( CXnAppUiAdapter& aAppUiAdapter )
       
    45     {
       
    46     CXnFocusControl* self = CXnFocusControl::NewLC( aAppUiAdapter );
       
    47     CleanupStack::Pop( self );
       
    48     return self;
       
    49     }
       
    50 
       
    51 // -----------------------------------------------------------------------------
       
    52 // CXnFocusControl::NewLC()
       
    53 // Two-phased constructor.
       
    54 // -----------------------------------------------------------------------------
       
    55 //
       
    56 CXnFocusControl* CXnFocusControl::NewLC( CXnAppUiAdapter& aAppUiAdapter )
       
    57     {
       
    58     CXnFocusControl* self = new ( ELeave ) CXnFocusControl( aAppUiAdapter );
       
    59     CleanupStack::PushL( self );
       
    60     self->ConstructL();
       
    61     return self;
       
    62     }
       
    63 
       
    64 // -----------------------------------------------------------------------------
       
    65 // CXnFocusControl::~CXnFocusControl()
       
    66 // C++ default destructor.
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 CXnFocusControl::~CXnFocusControl()
       
    70     {
       
    71     delete iMonitor;
       
    72     }
       
    73 
       
    74 // -----------------------------------------------------------------------------
       
    75 // CXnFocusControl::CXnFocusControl()
       
    76 // C++ default constructor.
       
    77 // -----------------------------------------------------------------------------
       
    78 //
       
    79 CXnFocusControl::CXnFocusControl( CXnAppUiAdapter& aAppUiAdapter )
       
    80     : iAppUiAdapter( aAppUiAdapter )
       
    81     {    
       
    82     }
       
    83 
       
    84 // -----------------------------------------------------------------------------
       
    85 // CXnFocusControl::ConstructL()
       
    86 // 2nd phase constructor
       
    87 // -----------------------------------------------------------------------------
       
    88 //
       
    89 void CXnFocusControl::ConstructL()
       
    90     {   
       
    91     iMonitor = CXnInactivityMonitor::NewL( *this );
       
    92     }
       
    93 
       
    94 // -----------------------------------------------------------------------------
       
    95 // CXnFocusControl::InactivityTimerExpired()
       
    96 // 
       
    97 // -----------------------------------------------------------------------------
       
    98 //
       
    99 void CXnFocusControl::InactivityTimerExpired()
       
   100     {       
       
   101     MakeVisible( EFalse );    
       
   102     }
       
   103 
       
   104 // -----------------------------------------------------------------------------
       
   105 // CXnFocusControl::MakeVisible()
       
   106 // 
       
   107 // -----------------------------------------------------------------------------
       
   108 //
       
   109 void CXnFocusControl::MakeVisible( TBool aVisible )
       
   110     {
       
   111     TRAP_IGNORE( DoMakeVisibleL( aVisible ) );
       
   112     }
       
   113 
       
   114 // -----------------------------------------------------------------------------
       
   115 // CXnFocusControl::DoMakeVisibleL()
       
   116 // 
       
   117 // -----------------------------------------------------------------------------
       
   118 //
       
   119 void CXnFocusControl::DoMakeVisibleL( TBool aVisible )
       
   120     {
       
   121     if ( aVisible != iVisible )
       
   122         {
       
   123         if ( !aVisible )
       
   124             {
       
   125             iVisible = aVisible;
       
   126             
       
   127             iRefused = EFalse;
       
   128             
       
   129             iMonitor->Stop();
       
   130                         
       
   131             CXnNode* node( iAppUiAdapter.UiEngine().FocusedNode() ); 
       
   132                                    
       
   133             if ( node )
       
   134                 {
       
   135                 CXnControlAdapter* control( node->Control() );
       
   136                 
       
   137                 if  ( control && control->RefusesFocusLoss() )
       
   138                     {
       
   139                     // Need to keep drawing focus appearance
       
   140                     iRefused = ETrue;
       
   141                     
       
   142                     node->UnsetStateL( 
       
   143                         XnPropertyNames::style::common::KPressedDown );
       
   144                     }
       
   145                 else
       
   146                     {
       
   147                     node->UnsetStateL(  
       
   148                         XnPropertyNames::style::common::KFocus );                    
       
   149                     }
       
   150                                 
       
   151                 iAppUiAdapter.UiEngine().RenderUIL();                
       
   152                 }    
       
   153             }
       
   154         else
       
   155             {
       
   156             iRefused = EFalse;
       
   157             
       
   158             iVisible = aVisible;
       
   159             
       
   160             iMonitor->Start();            
       
   161             }              
       
   162         }        
       
   163     }
       
   164 
       
   165 // -----------------------------------------------------------------------------
       
   166 // CXnFocusControl::IsVisible()
       
   167 // 
       
   168 // -----------------------------------------------------------------------------
       
   169 //
       
   170 TBool CXnFocusControl::IsVisible() const
       
   171     {
       
   172     return iVisible;
       
   173     }
       
   174 
       
   175 // -----------------------------------------------------------------------------
       
   176 // CXnFocusControl::Draw()
       
   177 // 
       
   178 // -----------------------------------------------------------------------------
       
   179 //
       
   180 void CXnFocusControl::Draw( const TRect& aRect, CWindowGc& aGc ) const
       
   181     {
       
   182     if ( IsVisible() || iRefused ) 
       
   183         {                                       
       
   184         CXnNode* node( iAppUiAdapter.UiEngine().FocusedNode() );
       
   185 
       
   186         if ( node )
       
   187             {
       
   188             TRect innerRect( aRect );            
       
   189             
       
   190             innerRect.Shrink( 
       
   191                 KSkinGfxInnerRectShrink, KSkinGfxInnerRectShrink );
       
   192             
       
   193             MAknsSkinInstance* skin( AknsUtils::SkinInstance() );
       
   194                  
       
   195             if ( node->IsStateSet( XnPropertyNames::style::common::KPressedDown ) )
       
   196                 {
       
   197                 AknsDrawUtils::DrawFrame( skin, aGc, aRect, innerRect,
       
   198                     KAknsIIDQsnFrHomePressed, KAknsIIDDefault );                
       
   199                 }            
       
   200             
       
   201             if ( node->IsStateSet( XnPropertyNames::style::common::KFocus ) )
       
   202                 {
       
   203                 AknsDrawUtils::DrawFrame( skin, aGc, aRect, innerRect, 
       
   204                     KAknsIIDQsnFrHome, KAknsIIDDefault );                
       
   205                 }            
       
   206             }       
       
   207         }
       
   208     }
       
   209 
       
   210 // End of file
       
   211