satui/satplugin/aisatpluginsrc/caisatengine.cpp
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     1 /*
       
     2 * Copyright (c) 2007-2009 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:  The engine class of operator info plugin. Handles the
       
    15 *                communication with Publish&Subscribe data.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    <AknIconArray.h>                // For itemsicon
       
    22 #include    <gulicon.h>                     // For itemsicon
       
    23 #include    <aknlayout.cdl.h>               // For TAknWindowLineLayout
       
    24 #include    <aknlayoutscalable_avkon.cdl.h> // For scalable layouts
       
    25 #include    <AknUtils.h>
       
    26 #include    <AknIconUtils.h>
       
    27 
       
    28 #include    "caisatengine.h"
       
    29 #include    "caisatnotifier.h"
       
    30 #include    "mpluginapi.h"
       
    31 #include    "tflogger.h" 
       
    32 
       
    33 // ============================ MEMBER FUNCTIONS ===============================
       
    34 // -----------------------------------------------------------------------------
       
    35 // Default constructor
       
    36 // -----------------------------------------------------------------------------
       
    37 //
       
    38 CAiSatEngine::CAiSatEngine( MPluginAPI& aPlugin ) :
       
    39     iPlugin ( aPlugin ),
       
    40     iIcon( NULL ),
       
    41     iPreviousIconId( 0 )
       
    42     {
       
    43     }
       
    44     
       
    45 // -----------------------------------------------------------------------------
       
    46 // Two-phased constructor.
       
    47 // Create instance of concrete ECOM interface implementation
       
    48 // -----------------------------------------------------------------------------
       
    49 CAiSatEngine* CAiSatEngine::NewL( MPluginAPI& aPlugin )
       
    50     {
       
    51     TFLOGSTRING( "CAiSatEngine::NewL called" )
       
    52     
       
    53     CAiSatEngine* self = new( ELeave )CAiSatEngine( aPlugin );
       
    54     CleanupStack::PushL( self );
       
    55     self->ConstructL();
       
    56     CleanupStack::Pop( self );
       
    57 
       
    58     TFLOGSTRING( "CAiSatEngine::NewL exits" )
       
    59     return self;
       
    60     }
       
    61     
       
    62 // -----------------------------------------------------------------------------
       
    63 // Destructor.
       
    64 // Closes the connection to the P&S and deletes
       
    65 // all the dynamic content.
       
    66 // -----------------------------------------------------------------------------
       
    67 //
       
    68 CAiSatEngine::~CAiSatEngine()
       
    69     {
       
    70     TFLOGSTRING( "CAiSatEngine::~CAiSatEngine called" )
       
    71 
       
    72     delete iNotifier;
       
    73     
       
    74     // Delete icon and null the pointer.
       
    75     delete iIcon;
       
    76     iIcon = NULL;
       
    77            
       
    78     iSatService.Close();
       
    79     iSatSession.Close();
       
    80     
       
    81     TFLOGSTRING( "CAiSatEngine::~CAiSatEngine exits" )  
       
    82     }
       
    83     
       
    84 // -----------------------------------------------------------------------------
       
    85 // Offers information about the content
       
    86 // Returns ETrue if there is content available, 
       
    87 // EFalse if not.
       
    88 // -----------------------------------------------------------------------------
       
    89 //
       
    90 TBool CAiSatEngine::HasContent()
       
    91     {
       
    92     TFLOGSTRING( "CAiSatEngine::HasContent called - exits" )
       
    93     return iNotifier->HasContent();
       
    94     }
       
    95 
       
    96 // -----------------------------------------------------------------------------
       
    97 // Retrieves the operator info text from RSatService
       
    98 // -----------------------------------------------------------------------------
       
    99 //
       
   100 void CAiSatEngine::ContentText( TPtrC& aString )
       
   101     {
       
   102     TFLOGSTRING( "CAiSatEngine::ContentText called" )
       
   103 
       
   104     iNotifier->GetIdleTextString( aString );
       
   105     
       
   106     TFLOGSTRING( "CAiSatEngine::ContentText exits" )
       
   107     }
       
   108     
       
   109 // -----------------------------------------------------------------------------
       
   110 // Offers the Idle Mode icon
       
   111 // -----------------------------------------------------------------------------
       
   112 //
       
   113 void CAiSatEngine::ContentIconL( CGulIcon*& aGulIcon )
       
   114     {
       
   115     TFLOGSTRING( "CAiSatEngine::ContentIconL called" )
       
   116             
       
   117     // Active Idle framework will release the bitmap we would
       
   118     // publish. So a new bitmap should be created to avoid
       
   119     // destroying the bitmap owned by UAA.
       
   120     if ( iIcon )
       
   121         {
       
   122         // The bitmap for publishing.
       
   123         CFbsBitmap* bitmapToPublish( NULL );    
       
   124                   
       
   125         bitmapToPublish = new (ELeave) CFbsBitmap;
       
   126         CleanupStack::PushL( bitmapToPublish );
       
   127 
       
   128         TSize size = iIcon->SizeInPixels();
       
   129         TInt error = bitmapToPublish->Create( size, iIcon->DisplayMode() ); 
       
   130          
       
   131         // Duplicate the bitmap owned by UAA into the new bitmap.
       
   132         if ( !error )
       
   133             {
       
   134             error = DuplicateBitmap( bitmapToPublish, iIcon );        
       
   135             if ( !error )
       
   136                 {
       
   137                 // Create a icon from the bitmap and publish it.
       
   138                 aGulIcon = CGulIcon::NewL( bitmapToPublish );
       
   139                 CleanupStack::Pop( bitmapToPublish );        
       
   140                 TFLOGSTRING( "CAiSatEngine::ContentIconL create GulIcon" )                
       
   141                 }
       
   142             } 
       
   143         if ( error )  
       
   144             {
       
   145             CleanupStack::PopAndDestroy( bitmapToPublish );
       
   146             aGulIcon = NULL;
       
   147             }        
       
   148         }   
       
   149     TFLOGSTRING( "CAiSatEngine::ContentIconL exits" )    
       
   150     }
       
   151 
       
   152 //------------------------------------------------------------------------------
       
   153 // Loads icon provided by SIM from RSatIcon
       
   154 //------------------------------------------------------------------------------
       
   155 CFbsBitmap* CAiSatEngine::LoadIconL( TUint8 aIconId, 
       
   156     RSatService::TSatIconQualifier aIconQualifier  )
       
   157     {
       
   158     TFLOGSTRING( "CAiSatEngine::LoadIconL called" )
       
   159     CFbsBitmap* simIconBuffer( NULL ); 
       
   160     
       
   161     // If icon allready has been got from SIM (via satIcon and SATServer)
       
   162     // Because mechanism for fetching icon is very slow, it has been 
       
   163     // stored in class variable to make reasonable speed for 
       
   164     // Active Idle refreshing.
       
   165     if ( RSatService::ESatIconSelfExplanatory == aIconQualifier ||
       
   166          RSatService::ESatIconNotSelfExplanatory == aIconQualifier )
       
   167         {
       
   168         TFLOGSTRING( "CAiSatEngine::LoadIconL having icon" )
       
   169         RIconEf iconEf;
       
   170         CleanupClosePushL( iconEf );
       
   171     
       
   172         // Get icon info
       
   173         iSatService.GetIconInfoL( aIconId, iconEf );
       
   174         // Get the an available icon from info array.
       
   175         TInt infoCount( iconEf.Count() );
       
   176         TInt error( KErrNotFound );
       
   177         for ( TInt i = 0; i < infoCount && KErrNone != error; i++ )
       
   178             {
       
   179             TRAP( error, simIconBuffer = iSatService.GetIconL( iconEf[i] ) );
       
   180             }
       
   181             
       
   182         // Check whether the for loop ends without icon gotton.
       
   183         if ( error != KErrNone )
       
   184             {
       
   185             TFLOGSTRING2( "CAiSatEngine::LoadIconL: error=%d",error )
       
   186             simIconBuffer = NULL;
       
   187             }
       
   188             
       
   189         CleanupStack::PopAndDestroy( &iconEf );
       
   190         } 
       
   191     TFLOGSTRING( "CAiSatEngine::LoadIconL exit" )
       
   192     return simIconBuffer;
       
   193     }
       
   194     
       
   195 // ---------------------------------------------------------------------------
       
   196 // Formulates response to SatIcon API
       
   197 // ---------------------------------------------------------------------------
       
   198 //
       
   199 void CAiSatEngine::HandleNotifyL()
       
   200     {
       
   201     TFLOGSTRING( "CAiSatEngine::HandleNotifyL called" )
       
   202     TUint8 id( iNotifier->IdleIconId() );
       
   203     RSatService::TSatIconQualifier iconQualifier( 
       
   204         iNotifier->IdleIconQualifier() );
       
   205 
       
   206     if ( !HasContent() && RSatService::ESatIconNoIcon == iconQualifier )
       
   207         {
       
   208         // Removal of text = No text and no icon
       
   209         TFLOGSTRING( "CAiSatNotifier::HasContent ETrue remove text success" )
       
   210         SendSatResponseL( RSatService::ESATIdleSuccess );
       
   211         }
       
   212     else
       
   213         {
       
   214         TFLOGSTRING2( "CAiSatEngine::HandleNotifyL Icon: %d", iconQualifier )
       
   215         if ( RSatService::ESatIconNoIcon == iconQualifier)
       
   216             {
       
   217             TFLOGSTRING( "CAiSatEngine::HandleNotifyL ESatIconNoIcon" )
       
   218             SendSatResponseL( RSatService::ESATIdleSuccess );
       
   219             }        
       
   220         else if ( RSatService::ESatIconSelfExplanatory == iconQualifier ||
       
   221                   RSatService::ESatIconNotSelfExplanatory == iconQualifier )
       
   222             {
       
   223             SendSatResponseL( RSatService::ESATIdleSuccess );
       
   224             TFLOGSTRING( "CAiSatEngine::HandleNotify icon & success resp" )
       
   225             }
       
   226         else if ( RSatService::ESatIconNotSelfExplanatory != iconQualifier &&
       
   227                   RSatService::ESatIconNoIcon != iconQualifier )
       
   228             {
       
   229             SendSatResponseL( RSatService::ESATIdleSuccessRequestedIconNotDisplayed );
       
   230             TFLOGSTRING( "CAiSatEngine: KSATIdleSuccessRequestedIconNotDisplayed" )
       
   231             }
       
   232         else
       
   233             {
       
   234             TFLOGSTRING( "CAiSatEngine::HandleNotifyL others" )
       
   235             // Report error
       
   236             SendSatResponseL( RSatService::ESATIdleMeUnableToProcessCmd );
       
   237             }            
       
   238         }
       
   239 
       
   240     TFLOGSTRING( "CAiSatEngine::HandleNotify exit" )
       
   241     }
       
   242        
       
   243 // ---------------------------------------------------------------------------
       
   244 // Get Idle mode data first, and load icon for publishing
       
   245 // ---------------------------------------------------------------------------
       
   246 //       
       
   247 void CAiSatEngine::PrepareIdleModeDataL( TBool& aDupIcon, TBool& aDupText )
       
   248     {
       
   249     TFLOGSTRING( "CAiSatEngine::PrepareGetIdleModeDataL called" )
       
   250     
       
   251     // Get icon Id, icon qualifier and text.
       
   252     iNotifier->GetIdleModeDataL( aDupIcon, aDupText );
       
   253     
       
   254     // Load icon, and check whether it is the same with previous one.
       
   255     // if not, Load icon, otherwise, do nothing.
       
   256     TUint8 id ( iNotifier->IdleIconId() );   
       
   257     RSatService::TSatIconQualifier iconQualifier( 
       
   258         iNotifier->IdleIconQualifier() );
       
   259         
       
   260     if ( !( RSatService::ESatIconNoIcon == iconQualifier ) ||
       
   261          !( id == iPreviousIconId && iIcon ) ) 
       
   262         {
       
   263         TFLOGSTRING( "CAiSatEngine::PrepareIdleModeDataL load icon" )
       
   264         delete iIcon;
       
   265         iIcon = NULL;
       
   266         
       
   267         // The bitmap is fetched from UAA.
       
   268         iIcon = LoadIconL( id, iconQualifier ); 
       
   269         iPreviousIconId = id;  
       
   270         }
       
   271     TFLOGSTRING( "CAiSatEngine::PrepareGetIdleModeDataL exits" )
       
   272     }
       
   273     
       
   274 // ---------------------------------------------------------------------------
       
   275 // Symbian 2nd phase constructor can leave
       
   276 // ---------------------------------------------------------------------------
       
   277 //
       
   278 void CAiSatEngine::ConstructL()
       
   279     {
       
   280     TFLOGSTRING( "CAiSatEngine::ConstructL called" )
       
   281     
       
   282     iSatSession.ConnectL();    
       
   283     TFLOGSTRING( "CAiSatEngine::ConstructL connect sat session" )
       
   284     
       
   285     iSatService.OpenL( iSatSession );
       
   286     TFLOGSTRING( "CAiSatEngine::ConstructL open sat service" )    
       
   287     
       
   288     iNotifier = CAiSatNotifier::NewL( iPlugin, iSatService );   
       
   289     User::LeaveIfError( iNotifier->Start() );
       
   290     
       
   291     TFLOGSTRING( "CAiSatEngine::ConstructL exits" )
       
   292     }
       
   293     
       
   294 // ---------------------------------------------------------------------------
       
   295 // Sends SAT response to RSatIcon
       
   296 // ---------------------------------------------------------------------------
       
   297 //
       
   298 void CAiSatEngine::SendSatResponseL(
       
   299     const RSatService::TSATIdleResult& aResponse ) const
       
   300     {
       
   301     TFLOGSTRING( "CAiSatEngine::SendSatResponseL called")
       
   302 
       
   303     iSatService.SetIdleModeTextResponse( aResponse );
       
   304 
       
   305     TFLOGSTRING( "CAiSatEngine::SendSatResponseL exits" )
       
   306     }
       
   307       
       
   308 // ---------------------------------------------------------------------------
       
   309 // Duplicate a bitmap by copying memory.
       
   310 // ---------------------------------------------------------------------------
       
   311 //
       
   312 TInt CAiSatEngine::DuplicateBitmap( const CFbsBitmap* aDestBmp,
       
   313                                     const CFbsBitmap* aSrcBmp )
       
   314     {
       
   315     TFLOGSTRING( "CAiSatPlugin::DuplicateBitmap() called" )
       
   316 
       
   317     // Get size and scan line length of the source bitmap.
       
   318     TSize size = aSrcBmp->SizeInPixels();
       
   319     TInt scanLineLength = CFbsBitmap::ScanLineLength( 
       
   320                             size.iWidth, aSrcBmp->DisplayMode() );
       
   321     TInt error( KErrNone );
       
   322     // Copy the data area of the source bimap to the dest bitmap.
       
   323     if ( aSrcBmp && aSrcBmp->DataAddress() )
       
   324         {
       
   325         TAny* bitmapData( NULL );
       
   326         
       
   327         bitmapData = memcpy(
       
   328             (TAny*)aDestBmp->DataAddress(), 
       
   329             (TAny*)aSrcBmp->DataAddress(), 
       
   330             scanLineLength * size.iHeight );
       
   331         
       
   332         if ( NULL == bitmapData )
       
   333             {
       
   334             TFLOGSTRING( "CAiSatPlugin::DuplicateBitmap() \
       
   335                 Failed to copy memory data of bitmap." )
       
   336             error = KErrBadHandle;
       
   337             }
       
   338         }
       
   339 
       
   340     TFLOGSTRING( "CAiSatPlugin::DuplicateBitmap() exits" )
       
   341 
       
   342     return error;
       
   343     }