pictographs/AknPictograph/src/AknPictographAnimator.cpp
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     1 /*
       
     2 * Copyright (c) 2002 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:  Pictograph drawer
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "AknPictographAnimator.h"
       
    22 #include "AknPictographDrawer.h"
       
    23 #include "AknPictographConstants.h"
       
    24 #include "AknPictographFactory.h"
       
    25 
       
    26 #include <gdi.h>
       
    27 #include <fbs.h>
       
    28 #include <activitymanager.h>
       
    29 
       
    30 // CONSTANTS
       
    31 
       
    32 const TInt KUserActivityTimeout = 15;
       
    33 const TInt KClientArrayGranularity = 4;
       
    34 
       
    35 // ============================ MEMBER FUNCTIONS ===============================
       
    36 
       
    37 // -----------------------------------------------------------------------------
       
    38 // CAknPictographAnimator::CAknPictographAnimator
       
    39 // C++ default constructor can NOT contain any code, that
       
    40 // might leave.
       
    41 // -----------------------------------------------------------------------------
       
    42 //
       
    43 CAknPictographAnimator::CAknPictographAnimator() :
       
    44     CCoeStatic( KUidAknPictographAnimator ), iClients( KClientArrayGranularity )
       
    45 	{
       
    46 	}
       
    47 
       
    48 // -----------------------------------------------------------------------------
       
    49 // CAknPictographAnimator::ConstructL
       
    50 // Symbian 2nd phase constructor can leave.
       
    51 // -----------------------------------------------------------------------------
       
    52 //
       
    53 void CAknPictographAnimator::ConstructL()
       
    54     {
       
    55     AknPictographFactory::LoadBitmapsL(iBitmaps, iMasks);
       
    56 
       
    57     AknPictographFactory::CreateWhiteBitmapsL(
       
    58                                               iWhiteBitmap,
       
    59                                               iWhiteBitmapMask,
       
    60                                               iWhiteBitmapMaskDevice,
       
    61                                               iWhiteBitmapMaskGc
       
    62                                               );
       
    63 
       
    64     // Needs to be very low priority so that animator cannot prevent any other
       
    65     // active objects from running.
       
    66     iTimer = CPeriodic::NewL( CActive::EPriorityIdle );
       
    67 
       
    68     iUserActivityManager = 
       
    69         CUserActivityManager::NewL( CActive::EPriorityStandard );
       
    70     // start monitoring user activity
       
    71     iUserActivityManager->Start( 
       
    72         KUserActivityTimeout,
       
    73         TCallBack( InactiveCallBack, this ),
       
    74         TCallBack( ActiveCallBack, this ) );
       
    75 
       
    76     CCoeEnv* env = CCoeEnv::Static();
       
    77 
       
    78     env->AddForegroundObserverL( *this );
       
    79     }
       
    80 
       
    81 CAknPictographAnimator* CAknPictographAnimator::CreateSingletonL()
       
    82     {
       
    83     CAknPictographAnimator* self = new( ELeave ) CAknPictographAnimator();
       
    84     CleanupStack::PushL( self );
       
    85     self->ConstructL();
       
    86     CleanupStack::Pop();
       
    87     return self;
       
    88     }
       
    89 
       
    90 // Destructor
       
    91 CAknPictographAnimator::~CAknPictographAnimator()
       
    92     {
       
    93     CCoeEnv* env = CCoeEnv::Static();
       
    94     env->RemoveForegroundObserver( *this );
       
    95 
       
    96     delete iTimer; // calls Cancel()
       
    97     delete iUserActivityManager;
       
    98     iClients.Reset();
       
    99 
       
   100     if (iBitmaps)
       
   101         {
       
   102         iBitmaps->ResetAndDestroy();
       
   103         }
       
   104     delete iBitmaps;
       
   105     if (iMasks)
       
   106         {
       
   107         iMasks->ResetAndDestroy();
       
   108         }
       
   109     delete iMasks;
       
   110     delete iWhiteBitmapMaskGc;
       
   111     delete iWhiteBitmapMaskDevice,
       
   112     delete iWhiteBitmapMask;
       
   113     delete iWhiteBitmap;
       
   114     }
       
   115 
       
   116 // -----------------------------------------------------------------------------
       
   117 // CAknPictographAnimator::AddClientL
       
   118 // -----------------------------------------------------------------------------
       
   119 //
       
   120 void CAknPictographAnimator::AddClientL( CAknPictographDrawer& aDrawer )
       
   121     {
       
   122     User::LeaveIfError( iClients.InsertInAddressOrder( &aDrawer ) );
       
   123     }
       
   124 
       
   125 // -----------------------------------------------------------------------------
       
   126 // CAknPictographAnimator::RemoveClient
       
   127 // -----------------------------------------------------------------------------
       
   128 //
       
   129 TInt CAknPictographAnimator::RemoveClient( CAknPictographDrawer& aDrawer )
       
   130     {
       
   131     TInt index = iClients.FindInAddressOrder( &aDrawer );
       
   132 
       
   133     if ( index >= 0 )
       
   134         {
       
   135         iClients.Remove( index );
       
   136         }
       
   137 
       
   138     return iClients.Count();
       
   139     }
       
   140 
       
   141 // -----------------------------------------------------------------------------
       
   142 // CAknPictographAnimator::TimerCallBack
       
   143 // -----------------------------------------------------------------------------
       
   144 //
       
   145 TInt CAknPictographAnimator::TimerCallBack( TAny* aParameter )
       
   146     {
       
   147     static_cast<CAknPictographAnimator*>( aParameter )->AnimationTick();
       
   148     return KErrNone;
       
   149     }
       
   150 
       
   151 // -----------------------------------------------------------------------------
       
   152 // CAknPictographAnimator::AnimationTick
       
   153 // -----------------------------------------------------------------------------
       
   154 //
       
   155 void CAknPictographAnimator::AnimationTick()
       
   156     {
       
   157     iCounter++;
       
   158 
       
   159     TInt count = iClients.Count();
       
   160     for ( TInt i = 0 ; i < count ; i++ )
       
   161         {
       
   162         CAknPictographDrawer* drawer = 
       
   163             const_cast<CAknPictographDrawer*>( iClients[i] );
       
   164 
       
   165         if ( drawer->IsAnimating() )
       
   166             {
       
   167             drawer->AnimationTick();
       
   168             }
       
   169         }
       
   170     }
       
   171 
       
   172 // -----------------------------------------------------------------------------
       
   173 // CAknPictographAnimator::ActiveCallBack
       
   174 // -----------------------------------------------------------------------------
       
   175 //
       
   176 TInt CAknPictographAnimator::ActiveCallBack( TAny* aParameter )
       
   177     {
       
   178     static_cast<CAknPictographAnimator*>( aParameter )->HandleActiveCallBack();
       
   179     return KErrNone;
       
   180     }
       
   181 
       
   182 // -----------------------------------------------------------------------------
       
   183 // CAknPictographAnimator::InactiveCallBack
       
   184 // -----------------------------------------------------------------------------
       
   185 //
       
   186 TInt CAknPictographAnimator::InactiveCallBack( TAny* aParameter )
       
   187     {
       
   188     static_cast<CAknPictographAnimator*>( aParameter )->HandleInactiveCallBack();
       
   189     return KErrNone;
       
   190     }
       
   191 
       
   192 // -----------------------------------------------------------------------------
       
   193 // CAknPictographAnimator::HandleActiveCallBack
       
   194 // -----------------------------------------------------------------------------
       
   195 //
       
   196 void CAknPictographAnimator::HandleActiveCallBack()
       
   197     {
       
   198     if ( iAnimatedClients > 0 && !iTimer->IsActive() )
       
   199         {
       
   200         iTimer->Start( 
       
   201             KAknPictographAnimationDelay,
       
   202             KAknPictographAnimationDelay,
       
   203             TCallBack( TimerCallBack, this ) );
       
   204         }
       
   205     }
       
   206 
       
   207 // -----------------------------------------------------------------------------
       
   208 // CAknPictographAnimator::HandleInactiveCallBack
       
   209 // -----------------------------------------------------------------------------
       
   210 //
       
   211 void CAknPictographAnimator::HandleInactiveCallBack()
       
   212     {
       
   213     iTimer->Cancel();
       
   214     }
       
   215 
       
   216 // -----------------------------------------------------------------------------
       
   217 // CAknPictographAnimator::HandleGainingForeground
       
   218 // -----------------------------------------------------------------------------
       
   219 //
       
   220 void CAknPictographAnimator::HandleGainingForeground()
       
   221     {
       
   222     TInt count = iClients.Count();
       
   223     for ( TInt i = 0 ; i < count ; i++ )
       
   224         {
       
   225         iClients[i]->HandleGainingForeground();
       
   226         }
       
   227     }
       
   228 
       
   229 // -----------------------------------------------------------------------------
       
   230 // CAknPictographAnimator::HandleLosingForeground
       
   231 // -----------------------------------------------------------------------------
       
   232 //
       
   233 void CAknPictographAnimator::HandleLosingForeground()
       
   234     {
       
   235     TInt count = iClients.Count();
       
   236     for ( TInt i = 0 ; i < count ; i++ )
       
   237         {
       
   238         iClients[i]->HandleLosingForeground();
       
   239         }
       
   240     }
       
   241 
       
   242 //  End of File