uifw/AknGlobalUI/AknDynamicSoftNote/src/AknDynamicSoftNotifier.cpp
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     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:  Client API for Dynamic Avkon soft notifications.
       
    15 *
       
    16 */
       
    17 
       
    18 #include "AknDynamicSoftNotifier.h"
       
    19 #include "AknDynamicSoftNoteObserver.h"
       
    20 #include "AknDynamicSoftNoteObserver.h"
       
    21 #include "AknDynamicNotifier.h"
       
    22 #include "aknsoftnoteconsts.h"
       
    23 #include <AknDynamicSoftNotificationParams.h>
       
    24 #include <AknNotifySignature.h>
       
    25 #include <aknSDData.h>
       
    26 #include <AknNotifyStd.h>
       
    27 #include <s32mem.h>
       
    28 
       
    29 // CONSTANTS
       
    30 
       
    31 /// IPC message buffer granularity
       
    32 const TInt KAknBufferGranularity       = 1024;
       
    33 /// Observer array granularity
       
    34 const TInt KAknObserverListGranularity = 4;
       
    35 /// Priority of cancel message. Value only needs to be in allowed range.
       
    36 const TInt KAknPriorityOfCancelMessage = 1000;
       
    37 
       
    38 //-----------------------------------------------------------------------------
       
    39 // CAknDynamicSoftNotifier::NewL
       
    40 //-----------------------------------------------------------------------------
       
    41 //
       
    42 EXPORT_C CAknDynamicSoftNotifier* CAknDynamicSoftNotifier::NewL()
       
    43     {
       
    44     CAknDynamicSoftNotifier* self = NewLC();
       
    45     CleanupStack::Pop( self );
       
    46     return self;
       
    47     }
       
    48 
       
    49 //-----------------------------------------------------------------------------
       
    50 // CAknDynamicSoftNotifier::NewLC
       
    51 //-----------------------------------------------------------------------------
       
    52 //
       
    53 EXPORT_C CAknDynamicSoftNotifier* CAknDynamicSoftNotifier::NewLC()
       
    54     {
       
    55     CAknDynamicSoftNotifier * self = new( ELeave ) CAknDynamicSoftNotifier;
       
    56     CleanupStack::PushL( self );
       
    57     self->ConstructL();
       
    58     return self;
       
    59     }
       
    60 
       
    61 //-----------------------------------------------------------------------------
       
    62 // CAknDynamicSoftNotifier::~CAknDynamicSoftNotifier
       
    63 //-----------------------------------------------------------------------------
       
    64 //
       
    65 EXPORT_C CAknDynamicSoftNotifier::~CAknDynamicSoftNotifier()
       
    66     {
       
    67     iObservers.ResetAndDestroy();
       
    68     delete iNotifier;
       
    69     }
       
    70 
       
    71 //-----------------------------------------------------------------------------
       
    72 // CAknDynamicSoftNotifier::ConstructL
       
    73 //-----------------------------------------------------------------------------
       
    74 //
       
    75 void CAknDynamicSoftNotifier::ConstructL()
       
    76     {
       
    77     iNotifier = new(ELeave) CAknDynamicNotifier( KAknSoftNotificationUid );
       
    78     }
       
    79 
       
    80 //-----------------------------------------------------------------------------
       
    81 // CAknDynamicSoftNotifier::CAknDynamicSoftNotifier
       
    82 //-----------------------------------------------------------------------------
       
    83 //
       
    84 CAknDynamicSoftNotifier::CAknDynamicSoftNotifier() :
       
    85     iObservers( KAknObserverListGranularity )
       
    86     {
       
    87     }
       
    88 
       
    89 //-----------------------------------------------------------------------------
       
    90 // CAknDynamicSoftNotifier::AddDynamicNotificationL
       
    91 //-----------------------------------------------------------------------------
       
    92 //
       
    93 EXPORT_C TInt CAknDynamicSoftNotifier::AddDynamicNotificationL(
       
    94     TAknDynamicSoftNotificationParams& aParams,
       
    95     TInt aNoteId, // = KErrUnknown
       
    96     TInt aCount ) // = 1
       
    97     {
       
    98     return SendMessageL( aNoteId, aCount, EFalse, ETrue, aParams );
       
    99     }
       
   100 
       
   101 //-----------------------------------------------------------------------------
       
   102 // CAknDynamicSoftNotifier::SetDynamicNotificationCountL
       
   103 //-----------------------------------------------------------------------------
       
   104 //
       
   105 EXPORT_C TInt CAknDynamicSoftNotifier::SetDynamicNotificationCountL(
       
   106     TAknDynamicSoftNotificationParams& aParams,
       
   107     TInt aNoteId,
       
   108     TInt aCount )
       
   109     {
       
   110     return SendMessageL( aNoteId, aCount, EFalse, EFalse, aParams );
       
   111     }
       
   112 
       
   113 //-----------------------------------------------------------------------------
       
   114 // CAknDynamicSoftNotifier::CancelDynamicSoftNotificationL
       
   115 //-----------------------------------------------------------------------------
       
   116 //
       
   117 EXPORT_C void CAknDynamicSoftNotifier::CancelDynamicNotificationL(
       
   118     TInt aNoteId )
       
   119     {
       
   120     // parameters are unrelevant
       
   121     TAknDynamicSoftNotificationParams params( KAknPriorityOfCancelMessage );
       
   122     SendMessageL( aNoteId, 0, ETrue, EFalse, params );
       
   123     StopObserving( aNoteId );
       
   124     }
       
   125     
       
   126 //-----------------------------------------------------------------------------
       
   127 // CAknDynamicSoftNotifier::StartObservingL
       
   128 //-----------------------------------------------------------------------------
       
   129 //    
       
   130 EXPORT_C void CAknDynamicSoftNotifier::StartObservingL( TInt aNoteId, 
       
   131     MAknDynamicSoftNoteObserver* aObserver )
       
   132     {
       
   133     // Only one observer for a note id allowed.
       
   134     if( FindByNoteId( aNoteId ) != KErrNotFound )
       
   135         {
       
   136         User::Leave( KErrAlreadyExists );
       
   137         }
       
   138     
       
   139     CAknDynamicSoftNoteObserver* observer = 
       
   140         CAknDynamicSoftNoteObserver::NewLC( *this, aObserver, aNoteId );
       
   141         
       
   142     iObservers.AppendL( observer );
       
   143     CleanupStack::Pop( observer );
       
   144     }
       
   145 
       
   146 //-----------------------------------------------------------------------------
       
   147 // CAknDynamicSoftNotifier::StopObserving
       
   148 //-----------------------------------------------------------------------------
       
   149 //
       
   150 EXPORT_C void CAknDynamicSoftNotifier::StopObserving( TInt aNoteId )
       
   151     {
       
   152     TInt pos = FindByNoteId( aNoteId );
       
   153     if( pos != KErrNotFound )
       
   154         {
       
   155         delete iObservers[pos];
       
   156         iObservers.Remove(pos);
       
   157         }
       
   158     }
       
   159     
       
   160 //-----------------------------------------------------------------------------
       
   161 // CAknDynamicSoftNotifier::DeleteObserver
       
   162 //-----------------------------------------------------------------------------
       
   163 //
       
   164 void CAknDynamicSoftNotifier::DeleteObserver( 
       
   165     CAknDynamicSoftNoteObserver* aObserver )
       
   166     {
       
   167     TInt pos = iObservers.Find( aObserver );
       
   168     if( pos != KErrNotFound )
       
   169         {
       
   170         iObservers.Remove( pos );
       
   171         }
       
   172     delete aObserver;
       
   173     }    
       
   174 
       
   175 //-----------------------------------------------------------------------------
       
   176 // CAknDynamicSoftNotifier::SetSecondaryDisplayData
       
   177 //-----------------------------------------------------------------------------
       
   178 //
       
   179 EXPORT_C void CAknDynamicSoftNotifier::SetSecondaryDisplayData( 
       
   180     CAknSDData* aData )
       
   181     {
       
   182     delete iSecondaryDisplayData;
       
   183     iSecondaryDisplayData = aData;
       
   184     }
       
   185    
       
   186 //-----------------------------------------------------------------------------
       
   187 // CAknDynamicSoftNotifier::SecondaryDisplayData
       
   188 //-----------------------------------------------------------------------------
       
   189 //
       
   190 CAknSDData* CAknDynamicSoftNotifier::SecondaryDisplayData()
       
   191     {
       
   192     return iSecondaryDisplayData;
       
   193     }
       
   194 
       
   195 //-----------------------------------------------------------------------------
       
   196 // CAknDynamicSoftNotifier::SendMessageL
       
   197 //-----------------------------------------------------------------------------
       
   198 //
       
   199 TInt CAknDynamicSoftNotifier::SendMessageL(
       
   200     TInt aNoteId,
       
   201     TInt aCount,
       
   202     TBool aCancel,
       
   203     TBool aAddCount,
       
   204     TAknDynamicSoftNotificationParams& aParams )
       
   205     {
       
   206     CBufFlat* buf = CBufFlat::NewL( KAknBufferGranularity );
       
   207     CleanupStack::PushL( buf );
       
   208 
       
   209     RBufWriteStream bufStream( *buf );
       
   210     bufStream.PushL();
       
   211     
       
   212     // Common data for dynamic notification
       
   213     bufStream.WriteInt32L( KAKNNOTIFIERSIGNATURE );
       
   214     bufStream.WriteUint8L( ECustomSoftNotification );
       
   215     bufStream.WriteInt16L( aCount );  // count
       
   216     bufStream.WriteUint8L( aCancel ? ETrue : EFalse ); // convert TBool to 0 or 1
       
   217     bufStream.WriteUint8L( aAddCount ? ETrue : EFalse ); // convert TBool to 0 or 1
       
   218     // text prompt (not used in this type of notification). 
       
   219     // It's put here to simplify changes in server side
       
   220     bufStream << KNullDesC();   
       
   221     bufStream.WriteInt32L( aNoteId ); // notification id
       
   222     
       
   223     // Type Specific data for this dynamic notification
       
   224     // Keep this synchronized with AknDynamicNotificationData
       
   225     //
       
   226     bufStream.WriteInt16L( KAknSoftNotificationDynamic ); // parameter type id
       
   227     bufStream.WriteInt32L( aNoteId ); // notification id
       
   228     bufStream << aParams;
       
   229 
       
   230     // Additional data
       
   231     //
       
   232     // Secondary display data not available
       
   233     bufStream.WriteInt8L( EFalse );
       
   234     
       
   235     bufStream.CommitL();
       
   236     CleanupStack::PopAndDestroy();  // bufStream
       
   237 
       
   238     TPckgBuf<TInt> response;
       
   239     User::LeaveIfError( iNotifier->StartOrUpdate( buf->Ptr( 0 ), response ) );
       
   240     
       
   241     CleanupStack::PopAndDestroy( buf );
       
   242     return response();
       
   243     }
       
   244 
       
   245 //-----------------------------------------------------------------------------
       
   246 // CAknDynamicSoftNotifier::FindByNoteId
       
   247 //-----------------------------------------------------------------------------
       
   248 //
       
   249 TInt CAknDynamicSoftNotifier::FindByNoteId( TInt aNoteId ) const
       
   250     {
       
   251     TInt result = KErrNotFound;
       
   252     
       
   253     const TInt count = iObservers.Count();
       
   254     for( TInt i = 0; i < count; i++ )
       
   255         {
       
   256         if( aNoteId == iObservers[i]->NoteId() )
       
   257             {
       
   258             result = i;
       
   259             break;
       
   260             }
       
   261         }
       
   262     
       
   263     return result;
       
   264     }
       
   265 
       
   266 // End of File