vtuis/videotelui/src/cvtuidtmfbuffer.cpp
changeset 0 ed9695c8bcbe
child 37 590f6f022902
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-1:000000000000 0:ed9695c8bcbe
       
     1 /*
       
     2 * Copyright (c) 2007 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:   Implementation of DTMF buffer class
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <coemain.h>
       
    20 #include <cvtlogger.h>
       
    21 #include "cvtuidtmfbuffer.h"
       
    22 #include "tvtuiwsevent.h"
       
    23 #include "VtUiUtility.h"
       
    24 
       
    25 // Time after which buffer will be automatically reset (4 seconds).
       
    26 const TInt KBufferResetInterval = 4 * 1000000;
       
    27 
       
    28 // ---------------------------------------------------------------------------
       
    29 // CVtUiDTMFBuffer::NewL
       
    30 // ---------------------------------------------------------------------------
       
    31 //
       
    32 CVtUiDTMFBuffer* CVtUiDTMFBuffer::NewL( const CCoeEnv& aCoeEnv )
       
    33     {
       
    34     __VTPRINTENTER( "CVtUiDTMFBuffer.NewL" )
       
    35     CVtUiDTMFBuffer* self = new ( ELeave ) CVtUiDTMFBuffer( aCoeEnv );
       
    36     CleanupStack::PushL( self );
       
    37     self->ConstructL();
       
    38     CleanupStack::Pop(); // self
       
    39     __VTPRINTEXIT( "CVtUiDTMFBuffer.NewL" )
       
    40     return self;
       
    41     }
       
    42 
       
    43 // ---------------------------------------------------------------------------
       
    44 // CVtUiDTMFBuffer::~CVtUiDTMFBuffer
       
    45 // ---------------------------------------------------------------------------
       
    46 //
       
    47 CVtUiDTMFBuffer::~CVtUiDTMFBuffer()
       
    48     {
       
    49     __VTPRINTENTER( "CVtUiDTMFBuffer.~" )
       
    50     Cancel();
       
    51     iTimer.Close();
       
    52     __VTPRINTEXIT( "CVtUiDTMFBuffer.~" )
       
    53     }
       
    54 
       
    55 // ---------------------------------------------------------------------------
       
    56 // CVtUiDTMFBuffer::Append
       
    57 // ---------------------------------------------------------------------------
       
    58 //
       
    59 TBool CVtUiDTMFBuffer::Append( TChar aChar )
       
    60     {
       
    61     __VTPRINTENTER( "CVtUiDTMFBuffer.Append" )
       
    62     TBool result( EFalse );
       
    63     if ( VtUiUtility::IsDTMFCharacter( aChar ) )
       
    64         {
       
    65         if ( iBuffer.Length() == iBuffer.MaxLength() )
       
    66             {
       
    67             iBuffer = iBuffer.Right( 1 );
       
    68             }
       
    69         iBuffer.Append( aChar );
       
    70         StartTimer();
       
    71         result = ETrue;
       
    72         }
       
    73     __VTPRINTEXITR( "CVtUiDTMFBuffer.Append %d", result )
       
    74     return result;
       
    75     }
       
    76 
       
    77 // ---------------------------------------------------------------------------
       
    78 // CVtUiDTMFBuffer::Reset
       
    79 // ---------------------------------------------------------------------------
       
    80 //
       
    81 void CVtUiDTMFBuffer::Reset()
       
    82     {
       
    83     __VTPRINTENTER( "CVtUiDTMFBuffer.Reset" )
       
    84     Cancel();
       
    85     ResetBuffer();
       
    86     __VTPRINTEXIT( "CVtUiDTMFBuffer.Reset" )
       
    87     }
       
    88 
       
    89 // ---------------------------------------------------------------------------
       
    90 // CVtUiDTMFBuffer::Activate
       
    91 // ---------------------------------------------------------------------------
       
    92 //
       
    93 void CVtUiDTMFBuffer::Activate()
       
    94     {
       
    95     __VTPRINTENTER( "CVtUiDTMFBuffer.Activate" )
       
    96     TVtUiWsEvent< MVtUiNumberSource > event(
       
    97         EVtUiWsEventNumberSourceActivate, this );
       
    98     iCoeEnv.WsSession().SendEventToWindowGroup(
       
    99         iCoeEnv.RootWin().WindowGroupId(), event );
       
   100     __VTPRINTEXIT( "CVtUiDTMFBuffer.Activate" )
       
   101     }
       
   102 
       
   103 // ---------------------------------------------------------------------------
       
   104 // CVtUiDTMFBuffer::Deactivate
       
   105 // ---------------------------------------------------------------------------
       
   106 //
       
   107 void CVtUiDTMFBuffer::Deactivate()
       
   108     {
       
   109     __VTPRINTENTER( "CVtUiDTMFBuffer.Deactivate" )
       
   110     TVtUiWsEvent< MVtUiNumberSource > event(
       
   111         EVtUiWsEventNumberSourceDeactivate, this );
       
   112     iCoeEnv.WsSession().SendEventToWindowGroup(
       
   113         iCoeEnv.RootWin().WindowGroupId(), event );
       
   114     __VTPRINTEXIT( "CVtUiDTMFBuffer.Deactivate" )
       
   115     }
       
   116 
       
   117 // ---------------------------------------------------------------------------
       
   118 // CVtUiDTMFBuffer::GetContents
       
   119 // ---------------------------------------------------------------------------
       
   120 //
       
   121 void CVtUiDTMFBuffer::GetContents( TDes& aContents ) const
       
   122     {
       
   123     __VTPRINTENTER( "CVtUiDTMFBuffer.GetContents" )
       
   124     const TInt length( aContents.MaxLength() < iBuffer.Length() ?
       
   125             aContents.MaxLength() : iBuffer.Length() );
       
   126     if ( length )
       
   127         {
       
   128         aContents = iBuffer.Mid( 0, length );
       
   129         }
       
   130     else
       
   131         {
       
   132         aContents.Zero();
       
   133         }
       
   134     __VTPRINTEXIT( "CVtUiDTMFBuffer.GetContents" )
       
   135     }
       
   136 
       
   137 // ---------------------------------------------------------------------------
       
   138 // CVtUiDTMFBuffer::DoCancel
       
   139 // ---------------------------------------------------------------------------
       
   140 //
       
   141 void CVtUiDTMFBuffer::DoCancel()
       
   142     {
       
   143     __VTPRINTENTER( "CVtUiDTMFBuffer.DoCancel" )
       
   144     iTimer.Cancel();
       
   145     __VTPRINTEXIT( "CVtUiDTMFBuffer.DoCancel" )
       
   146     }
       
   147 
       
   148 // ---------------------------------------------------------------------------
       
   149 // CVtUiDTMFBuffer::RunL
       
   150 // ---------------------------------------------------------------------------
       
   151 //
       
   152 void CVtUiDTMFBuffer::RunL()
       
   153     {
       
   154     __VTPRINTENTER( "CVtUiDTMFBuffer.RunL" )
       
   155     TimerExpired( iStatus.Int() );
       
   156     __VTPRINTEXIT( "CVtUiDTMFBuffer.RunL" )
       
   157     }
       
   158 
       
   159 // ---------------------------------------------------------------------------
       
   160 // CVtUiDTMFBuffer::CVtUiDTMFBuffer
       
   161 // ---------------------------------------------------------------------------
       
   162 //
       
   163 CVtUiDTMFBuffer::CVtUiDTMFBuffer( const CCoeEnv& aCoeEnv ) :
       
   164     CActive( EPriorityStandard ), iCoeEnv( aCoeEnv )
       
   165     {
       
   166     __VTPRINTENTER( "CVtUiDTMFBuffer.ctor" )
       
   167     CActiveScheduler::Add( this );
       
   168     __VTPRINTEXIT( "CVtUiDTMFBuffer.ctor" )
       
   169     }
       
   170 
       
   171 // ---------------------------------------------------------------------------
       
   172 // CVtUiDTMFBuffer::ConstructL
       
   173 // ---------------------------------------------------------------------------
       
   174 //
       
   175 void CVtUiDTMFBuffer::ConstructL()
       
   176     {
       
   177     __VTPRINTENTER( "CVtUiDTMFBuffer.ConstructL" )
       
   178     User::LeaveIfError( iTimer.CreateLocal() );
       
   179     __VTPRINTEXIT( "CVtUiDTMFBuffer.ConstructL" )
       
   180     }
       
   181 
       
   182 // ---------------------------------------------------------------------------
       
   183 // CVtUiDTMFBuffer::StartTimer
       
   184 // ---------------------------------------------------------------------------
       
   185 //
       
   186 void CVtUiDTMFBuffer::StartTimer()
       
   187     {
       
   188     __VTPRINTENTER( "CVtUiDTMFBuffer.StartTimer" )
       
   189     Cancel();
       
   190     SetActive();
       
   191     iTimer.After( iStatus, KBufferResetInterval );
       
   192     __VTPRINTEXIT( "CVtUiDTMFBuffer.StartTimer" )
       
   193     }
       
   194 
       
   195 // ---------------------------------------------------------------------------
       
   196 // CVtUiDTMFBuffer::TimerExpired
       
   197 // ---------------------------------------------------------------------------
       
   198 //
       
   199 void CVtUiDTMFBuffer::TimerExpired( TInt aError )
       
   200     {
       
   201     __VTPRINTENTER( "CVtUiDTMFBuffer.TimerExpired" )
       
   202     if ( aError != KErrCancel )
       
   203         {
       
   204         ResetBuffer();
       
   205         }
       
   206     __VTPRINTEXIT( "CVtUiDTMFBuffer.TimerExpired" )
       
   207     }
       
   208 
       
   209 // ---------------------------------------------------------------------------
       
   210 // CVtUiDTMFBuffer::ResetBuffer
       
   211 // ---------------------------------------------------------------------------
       
   212 //
       
   213 void CVtUiDTMFBuffer::ResetBuffer()
       
   214     {
       
   215     __VTPRINTENTER( "CVtUiDTMFBuffer.ResetBuffer" )
       
   216     iBuffer.Zero();
       
   217     __VTPRINTEXIT( "CVtUiDTMFBuffer.ResetBuffer" )
       
   218     }