idlehomescreen/xmluirendering/renderingplugins/xnclockfactory/src/xnclockcontrol.cpp
branchRCL_3
changeset 34 5456b4e8b3a8
child 35 3321d3e205b6
equal deleted inserted replaced
33:5f0182e07bfb 34:5456b4e8b3a8
       
     1 /*
       
     2 * Copyright (c) 2006-2008 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:  Clock control
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // System includes
       
    20 #include <e32std.h>         
       
    21 
       
    22 // User includes
       
    23 #include <debug.h>
       
    24 #include "xncontroladapter.h"
       
    25 #include "xnclockadapter.h"
       
    26 #include "xnclockface.h"
       
    27 
       
    28 #include "xnclockcontrol.h"
       
    29 
       
    30 // Constants
       
    31 static const TInt KIntervalTime( 60000000 ); // in microseconds
       
    32 
       
    33 
       
    34 // ============================ MEMBER FUNCTIONS ===============================
       
    35 
       
    36 // -----------------------------------------------------------------------------
       
    37 // CXnClockControl::CXnClockControl
       
    38 // C++ default constructor can NOT contain any code, that
       
    39 // might leave.
       
    40 // -----------------------------------------------------------------------------
       
    41 //
       
    42 CXnClockControl::CXnClockControl( CXnClockAdapter* aAdapter,
       
    43                                   const TBool aFormatFromLocale,
       
    44                                   const TClockFormat aFormat )
       
    45     : iAdapter( aAdapter ), 
       
    46       iClockFormat( aFormat ),
       
    47       iFormatFromLocale ( aFormatFromLocale )      
       
    48     {
       
    49     }
       
    50 
       
    51 // -----------------------------------------------------------------------------
       
    52 // CXnClockControl::ConstructL
       
    53 // Symbian 2nd phase constructor can leave.
       
    54 // -----------------------------------------------------------------------------
       
    55 //
       
    56 void CXnClockControl::ConstructL()
       
    57     {           
       
    58     iTimer = CPeriodic::NewL( CActive::EPriorityHigh );
       
    59             
       
    60     SetFormatL( iFormatFromLocale, iClockFormat );   
       
    61     }
       
    62 
       
    63 // -----------------------------------------------------------------------------
       
    64 // CXnClockControl::NewL
       
    65 // Two-phased constructor.
       
    66 // -----------------------------------------------------------------------------
       
    67 //
       
    68 CXnClockControl* CXnClockControl::NewL( CXnClockAdapter* aAdapter,
       
    69                                         const TBool aFormatFromLocale,
       
    70                                         const TClockFormat aFormat )
       
    71     {
       
    72     CXnClockControl* self =
       
    73         new (ELeave) CXnClockControl( aAdapter, aFormatFromLocale, aFormat );
       
    74         
       
    75     CleanupStack::PushL( self );    
       
    76     self->ConstructL();
       
    77     
       
    78     CleanupStack::Pop( self );
       
    79     
       
    80     return self;
       
    81     }
       
    82 
       
    83 // -----------------------------------------------------------------------------
       
    84 // Destructor
       
    85 //
       
    86 // -----------------------------------------------------------------------------
       
    87 //
       
    88 CXnClockControl::~CXnClockControl()
       
    89     {    
       
    90     delete iTimer;
       
    91     delete iFace;
       
    92     }
       
    93 
       
    94 // -----------------------------------------------------------------------------
       
    95 // CXnClockControl::UpdateDisplay
       
    96 // (other items were commented in a header).
       
    97 // -----------------------------------------------------------------------------
       
    98 //
       
    99 void CXnClockControl::UpdateDisplay()
       
   100     {
       
   101     if( !iFace )
       
   102         {
       
   103         return;
       
   104         }
       
   105             
       
   106     iAdapter->UpdateDisplay();
       
   107     }
       
   108 
       
   109 // -----------------------------------------------------------------------------
       
   110 // CXnClockControl::SetFormatL
       
   111 // (other items were commented in a header).
       
   112 // -----------------------------------------------------------------------------
       
   113 //
       
   114 void CXnClockControl::SetFormatL( const TBool aFormatFromLocale, 
       
   115                                   const TClockFormat aFormat )
       
   116     {
       
   117     TClockFormat format( aFormat );
       
   118     
       
   119     if( aFormatFromLocale )
       
   120         {
       
   121         format = TLocale().ClockFormat();                
       
   122         }
       
   123         
       
   124     iFormatFromLocale = aFormatFromLocale;
       
   125         
       
   126     if( format == iClockFormat && iFace )
       
   127         {
       
   128         // Already correct face
       
   129         return;    
       
   130         }      
       
   131             
       
   132     iClockFormat = format;
       
   133     
       
   134     delete iFace;
       
   135     iFace = NULL;
       
   136 
       
   137     if( format == EClockAnalog )
       
   138         {
       
   139         iFace = CXnClockFaceAnalog::NewL();
       
   140         }
       
   141     else if( format == EClockDigital )
       
   142         {
       
   143         iFace = CXnClockFaceDigital::NewL();
       
   144         }       
       
   145     }
       
   146 
       
   147 // -----------------------------------------------------------------------------
       
   148 // CXnClockControl::Format
       
   149 // (other items were commented in a header).
       
   150 // -----------------------------------------------------------------------------
       
   151 //       
       
   152 TClockFormat CXnClockControl::Format() const
       
   153     {
       
   154     return iClockFormat;
       
   155     }
       
   156 
       
   157 // -----------------------------------------------------------------------------
       
   158 // CXnClockControl::Draw
       
   159 // (other items were commented in a header).
       
   160 // -----------------------------------------------------------------------------
       
   161 //       
       
   162 void CXnClockControl::Draw( CWindowGc& aGc, const TRect& aRect )
       
   163     {
       
   164     // Ensure correct appearance
       
   165     TRAP_IGNORE( SetFormatL( iFormatFromLocale, iClockFormat ) );
       
   166     
       
   167     if( iFace && !aRect.IsEmpty() )
       
   168         {
       
   169         __PRINT( __DBG_FORMAT( "CXnClockControl::Draw: 0x%X" ), this );
       
   170                 
       
   171         TTime homeTime;
       
   172         homeTime.HomeTime();
       
   173 
       
   174         TRAP_IGNORE( iFace->DrawL( *iAdapter, aGc, aRect, homeTime ) );
       
   175         }
       
   176     }
       
   177 
       
   178 // -----------------------------------------------------------------------------
       
   179 // CXnClockControl::TimerCallback
       
   180 // (other items were commented in a header).
       
   181 // -----------------------------------------------------------------------------
       
   182 //
       
   183 TInt CXnClockControl::TimerCallback( TAny* aThis )
       
   184     {
       
   185     __PRINT( __DBG_FORMAT( "CXnClockControl::TimerCallback: 0x%X" ), aThis );    
       
   186         
       
   187     CXnClockControl* self = static_cast< CXnClockControl* >( aThis );
       
   188 
       
   189     // Update the clock display
       
   190     self->UpdateDisplay();
       
   191 
       
   192     // Adjust the timer delay if necessary
       
   193     TTime time;
       
   194     time.HomeTime();
       
   195     TDateTime dateTime( time.DateTime() );
       
   196 
       
   197     if( dateTime.Second() > 0 )
       
   198         {
       
   199         self->iTimer->Cancel();
       
   200         self->iTimer->After( KIntervalTime -
       
   201             1000000 * dateTime.Second() - dateTime.MicroSecond() );
       
   202         }
       
   203 
       
   204     return KErrNone;
       
   205     }
       
   206     
       
   207 // -----------------------------------------------------------------------------
       
   208 // CXnClockControl::StartTimer
       
   209 // (other items were commented in a header).
       
   210 // -----------------------------------------------------------------------------
       
   211 //
       
   212 void CXnClockControl::StartTimer()
       
   213     {
       
   214     if ( iTimer && !iTimer->IsActive() )
       
   215         {
       
   216         __PRINT( __DBG_FORMAT( "CXnClockControl::StartTimer: 0x%X" ), this );
       
   217         
       
   218         TTime time;
       
   219         time.HomeTime();
       
   220         TDateTime dateTime( time.DateTime() );
       
   221         TCallBack callBack( TimerCallback, this );
       
   222 
       
   223         iTimer->Start(
       
   224             TTimeIntervalMicroSeconds32(
       
   225                 KIntervalTime - 1000000 * dateTime.Second() - dateTime.MicroSecond() ),
       
   226             TTimeIntervalMicroSeconds32( KIntervalTime ),
       
   227             callBack );
       
   228         }
       
   229     }
       
   230 
       
   231 // -----------------------------------------------------------------------------
       
   232 // CXnClockControl::StopTimer
       
   233 // (other items were commented in a header).
       
   234 // -----------------------------------------------------------------------------
       
   235 //
       
   236 void CXnClockControl::StopTimer()
       
   237     {
       
   238     if ( iTimer && iTimer->IsActive() )
       
   239         {
       
   240         __PRINT( __DBG_FORMAT( "CXnClockControl::StopTimer: 0x%X" ), this );
       
   241                        
       
   242         iTimer->Cancel();
       
   243         }
       
   244     }
       
   245 
       
   246 //  End of File