alarmui/AppServerStuff/Src/AlarmWrapper.cpp
author Simon Howkins <simonh@symbian.org>
Mon, 22 Nov 2010 16:01:09 +0000
branchRCL_3
changeset 93 d216ae5a8733
parent 0 f979ecb2b13e
permissions -rw-r--r--
Adjusted to avoid exports, etc, from a top-level bld.inf
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/*
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* Copyright (c) 2006-2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: This is the MAlarmObserver I/F implementation instantiated and used directly by EIkAlert.
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*
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*/
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// INCLUDES
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#include "pim_trace.h"
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#include "AlarmWrapper.h"
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#include <asshdalarm.h>
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#include <uikon/eikalsup.h>
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#include <AknSgcc.h>
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
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#include <uiklaf/private/pluginuid.hrh>
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#endif
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// ---------------------------------------------------------------------------
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// DLL entry point
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// ---------------------------------------------------------------------------
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EXPORT_C MAlarmObserver* NewAlarm()
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    {
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    TRACE_ENTRY_POINT;
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    CAknAlarmWrapper* alarmWrapper = new CAknAlarmWrapper;
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    TRACE_EXIT_POINT;
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    return alarmWrapper;
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    }
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// ---------------------------------------------------------------------------
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// RAknAlarmClient
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// ---------------------------------------------------------------------------
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// Client for AknCapServer
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RAknAlarmClient::RAknAlarmClient(CAknDataFetcher** aFetcher)
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: iFetcher( aFetcher )
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    {
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    TRACE_ENTRY_POINT;
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    TRACE_EXIT_POINT;
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    }
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// In fact we don't need this, next method with dummy parameter is enough
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TInt RAknAlarmClient::SendSynch(TInt aOpcode)
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    {
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    TRACE_ENTRY_POINT;
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    TInt ret = CheckConnection();
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    if (ret == KErrNone)
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        {
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        (*iFetcher)->Start(); // does nothing if already active
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        ret = SendReceive( aOpcode );
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        }
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    TRACE_EXIT_POINT;
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    return ret;
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    }
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// ?description
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TInt RAknAlarmClient::SendSynch(TInt aOpcode, TInt& aParam)
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    {
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    TRACE_ENTRY_POINT;
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    TInt ret = CheckConnection();
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    if( ret == KErrNone )
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        {
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        (*iFetcher)->Start(); // does nothing if already active
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        TPckg<TInt> pckg( aParam );
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        ret = SendReceive( aOpcode, TIpcArgs( &pckg ) );
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        }
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    TRACE_EXIT_POINT;
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    return ret;
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    }
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// Used currently only by cmd fetcher
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void RAknAlarmClient::SendAsync(TInt aOpcode, TRequestStatus& aStatus, TIpcArgs& aArgs)
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    {
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    TRACE_ENTRY_POINT;
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    // we currently assume that only this client will initiate asynch messages, and 
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    // does it only when connection exists -> we don't check our connection before trying to send data
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    SendReceive( aOpcode, aArgs, aStatus );
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    TRACE_EXIT_POINT;
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    }
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// ?description
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TInt RAknAlarmClient::SetAlarm(const TASShdAlarm& aAlarm, const TFullName& aOwner, const TDesC8& aAlarmData)
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    {
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    TRACE_ENTRY_POINT;
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    TInt ret = CheckConnection();
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    if( ret == KErrNone )
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        {
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        (*iFetcher)->Start(); // does nothing if already active
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        TPckgC<TASShdAlarm> pAlarm( aAlarm );
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        TIpcArgs args( &pAlarm, &aOwner, &aAlarmData );
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        ret = SendReceive( EASAltOpCodeSetAlarm, args );
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        }
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    TRACE_EXIT_POINT;
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    return ret;
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   112
    }
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   113
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   114
// connect on demand, returns KErrNotReady if akncapserver is not available yet
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   115
TInt RAknAlarmClient::CheckConnection()
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   116
    {
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    TRACE_ENTRY_POINT;
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   118
    if( !Handle() )
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   119
        {
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        RAknUiServer& client = *(CAknSgcClient::AknSrv());
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        TInt err = KErrNotReady;
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   122
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   123
        if( client.Handle() != 0 ) // akncapserver running
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   124
            {
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   125
            _LIT( KServerNameFormat, "%08x_%08x_AppServer" );
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   126
            TFullName serverName;
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   127
            serverName.Format( KServerNameFormat, KUikonUidPluginInterfaceNotifiers, KAknCapServerUid.iUid );
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   128
            TRAP( err, ConnectExistingByNameL( serverName ); )
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   129
            }
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        TRACE_EXIT_POINT;
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   131
        return err;
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   132
        }
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   133
    TRACE_EXIT_POINT;
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   134
    return KErrNone;
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   135
    }
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   136
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   137
// Just to prevent direct calling Connect, private
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   138
TInt RAknAlarmClient::Connect()
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   139
    {
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    TRACE_ENTRY_POINT;
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   141
    TInt retVal = RAknUiServer::Connect();
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   142
    TRACE_EXIT_POINT;
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   143
    return retVal;
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   144
    }
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   145
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   146
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   147
// ---------------------------------------------------------------------------
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// CAknDataFetcher
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// ---------------------------------------------------------------------------
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   150
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   151
// Active object used as callback channel from akncapserver (Stop, Snooze), 
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   152
// basically always active after connection to akncapserver has been formed
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CAknDataFetcher::CAknDataFetcher( TInt aPriority, 
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   154
                                  CEikAlmControlSupervisor* aSupervisor, 
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                                  RAknAlarmClient& aClient )
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   156
: CActive( aPriority ), 
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   157
  iSupervisor( aSupervisor ),
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   158
  iClient( aClient ),
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   159
  iPckg( 0 ),
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   160
  iArgs( &iPckg )
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   161
    {
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   162
    TRACE_ENTRY_POINT;
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   163
    CActiveScheduler::Add( this );
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   164
    TRACE_EXIT_POINT;
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   165
    }
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   166
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   167
// ?description
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   168
void CAknDataFetcher::Start()
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   169
    {
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   170
    TRACE_ENTRY_POINT;
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   171
    if( !IsActive() )
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   172
        {
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   173
        SetActive();
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   174
        iClient.SendAsync( EASAltOpCodeNotify, iStatus, iArgs );
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   175
        }
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   176
    TRACE_EXIT_POINT;
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   177
    }
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parents:
diff changeset
   178
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   179
// Handle ie. deliver commands to real alarm supervisor (ie. Alarm Session)
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   180
void CAknDataFetcher::RunL()
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   181
    {
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   182
    TRACE_ENTRY_POINT;
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   183
    __ASSERT_DEBUG( iSupervisor != 0, User::Invariant() );
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parents:
diff changeset
   184
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   185
    switch( iStatus.Int() )
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parents:
diff changeset
   186
        {
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   187
        case ECmdAcknowledgedAlarm:
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   188
            iSupervisor->CmdAcknowledgeAlarm();
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   189
            break;
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parents:
diff changeset
   190
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   191
        case ECmdTaskAwayFromAlarm:
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parents:
diff changeset
   192
            {
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   193
            PIM_TRAPD_ASSERT( iSupervisor->CmdTaskAwayFromAlarmL(); )
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parents:
diff changeset
   194
            }
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diff changeset
   195
            break;
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parents:
diff changeset
   196
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   197
        case ECmdTaskAwayFromAlarmWTime:
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parents:
diff changeset
   198
            {
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   199
            PIM_TRAPD_ASSERT( iSupervisor->CmdTaskAwayFromAlarmL( iPckg() ); )
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diff changeset
   200
            }
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parents:
diff changeset
   201
            break;
f979ecb2b13e Revision: 201003
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parents:
diff changeset
   202
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   203
        default:
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   204
            // just omit error, dont set us active until next real message is being sent
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   205
            TRACE_EXIT_POINT;
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   206
            return;
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   207
        }
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parents:
diff changeset
   208
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   209
    Start(); // restart
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   210
    TRACE_EXIT_POINT;
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diff changeset
   211
    }
f979ecb2b13e Revision: 201003
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parents:
diff changeset
   212
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   213
// ?description
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   214
void CAknDataFetcher::DoCancel()
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parents:
diff changeset
   215
    {
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   216
    TRACE_ENTRY_POINT;
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   217
    // we cannot be active unless connetion is valid
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parents:
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   218
    iClient.SendSynch( EASAltOpCodeNotifyCancel );
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parents:
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   219
    TRACE_EXIT_POINT;
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parents:
diff changeset
   220
    }
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parents:
diff changeset
   221
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   222
// ---------------------------------------------------------------------------
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parents:
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   223
// CAknAlarmWrapper
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   224
// ---------------------------------------------------------------------------
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parents:
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   225
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// ?description
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CAknAlarmWrapper::CAknAlarmWrapper()
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: iClient( &iActive )
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    {
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    TRACE_ENTRY_POINT;
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    TRACE_EXIT_POINT;
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    }
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// Main class, owns client and command fetcher, implements entrypoint and methods of MAlarmObserver
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void CAknAlarmWrapper::ConstructL( CEikAlmControlSupervisor* aSupervisor,
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                                   CEikServAppUiBase* aAppUi )
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    {
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    TRACE_ENTRY_POINT;
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    iAppUi = aAppUi;
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    iActive = new( ELeave )CAknDataFetcher( CActive::EPriorityHigh, aSupervisor, iClient );
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    TRACE_EXIT_POINT;
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    }
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// ?description
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CAknAlarmWrapper::~CAknAlarmWrapper()
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    {
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    TRACE_ENTRY_POINT;
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    delete iActive;
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    iClient.Close(); // if iActive was active, it could need the connection for cancellation
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    TRACE_EXIT_POINT;
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    }
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// ?description
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void CAknAlarmWrapper::Release()
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    {
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    TRACE_ENTRY_POINT;
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    delete this;
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    TRACE_EXIT_POINT;
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    }
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// ?description
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void CAknAlarmWrapper::ShowAlarm()
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    {
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    TRACE_ENTRY_POINT;
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    // ignore possible error
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    TInt dummy = ETrue;
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    iClient.SendSynch( EASAltOpCodeVisible, dummy );
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    TRACE_EXIT_POINT;
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    }
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// ?description
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void CAknAlarmWrapper::HideAlarm()
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    {
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    TRACE_ENTRY_POINT;
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    // ignore possible error
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    TInt dummy = EFalse;
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    iClient.SendSynch( EASAltOpCodeVisible, dummy );
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    TRACE_EXIT_POINT;
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    }
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// ?description
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TInt CAknAlarmWrapper::CurrentServerState() const
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    {
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    TRACE_ENTRY_POINT;
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    RAknAlarmClient& client =  MUTABLE_CAST( RAknAlarmClient&, iClient );
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    TInt ret( 0 ), err( 0 );
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    err = client.SendSynch( EAknSAltOpCodeAskServerState, ret );
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    if( err == KErrNotReady ) // special case
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        {
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        TRACE_EXIT_POINT;
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        return 0; // as alarm control is CBase derived, state will be null until updated otherwise
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        }
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    TRACE_EXIT_POINT;
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    return ( err != KErrNone ? err : ret );
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    }
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// ?description
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void CAknAlarmWrapper::UpdateSoundPauseTimeInterval(TInt /*aMinutes*/)
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    {
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    TRACE_ENTRY_POINT;
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    // empty
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    TRACE_EXIT_POINT;
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    }
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// ?description
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void CAknAlarmWrapper::UpdateForAlarmServerState(TInt aNewAlarmServerState)
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    {
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    TRACE_ENTRY_POINT;
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    // ignore possible error
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    iClient.SendSynch( EASAltOpCodeSetState, aNewAlarmServerState );
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    TRACE_EXIT_POINT;
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    }
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// ?description
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void CAknAlarmWrapper::UpdateAlarmInfo(const TASShdAlarm& aAlarm,const TFullName& aOwner)
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    {
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    TRACE_ENTRY_POINT;
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    TInt err = iClient.SetAlarm( aAlarm, aOwner, KNullDesC8 );
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   321
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    if( err == KErrNotReady )
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        {
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        TRAP( err, iActive->iSupervisor->CmdTaskAwayFromAlarmL( 1 ); ) // snooze to one minute
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        }
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    ASSERT( !err );
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    TRACE_EXIT_POINT;
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    }
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   329
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// ?description
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void CAknAlarmWrapper::StartPlayAlarmL(const TDesC& /*aAlarmName*/)
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    {
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    TRACE_ENTRY_POINT;
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    // empty
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    TRACE_EXIT_POINT;
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    }
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   337
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// ?description
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void CAknAlarmWrapper::StopPlayAlarm()
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    {
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    TRACE_ENTRY_POINT;
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    // empty
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    TRACE_EXIT_POINT;
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    }
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// End of File