systemswstubs/startupadaptationstub/src/CommandProcessingEngine.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 04 Oct 2010 00:04:35 +0300
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Revision: 201039 Kit: 201039
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/*
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* Copyright (c) 2004-2006 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:  Implementation of CCommandProcessingEngine class.
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*
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*/
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// INCLUDE FILES
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#include "CommandProcessingEngine.h"
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#include "CommandProcessingObserver.h"
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#include "StartupAdaptationStubDebug.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CCommandProcessingEngine::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CCommandProcessingEngine* CCommandProcessingEngine::NewL(
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    MCommandProcessingObserver& aObserver )
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    {
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    CCommandProcessingEngine* self =
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        new( ELeave ) CCommandProcessingEngine( aObserver );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop();
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    return self;
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    }
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// Destructor
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CCommandProcessingEngine::~CCommandProcessingEngine()
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    {
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    Cancel();
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    iTimer.Close();
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    iCommands.Close();
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    }
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// -----------------------------------------------------------------------------
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// CCommandProcessingEngine::ExecuteCommandL
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//
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// -----------------------------------------------------------------------------
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//
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void CCommandProcessingEngine::ExecuteCommandL(
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    const TInt aCommandId,
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    const TInt aDuration )
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    {
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    RDEBUG_2( _L( "CCommandProcessingEngine::ExecuteCommandL( %d, %d )." ), aCommandId, aDuration );
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    TCommandInfo info;
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    info.iCommandId = aCommandId;
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    info.iDuration = aDuration;
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    iCommands.AppendL( info );
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    if ( !IsActive() ) // If already active, this happens at the end of RunL.
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    {
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        ActivateWithTimeout( aDuration );
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    }
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    RDEBUG( _L( "CCommandProcessingEngine::ExecuteCommandL finished." ) );
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    }
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// -----------------------------------------------------------------------------
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// CCommandProcessingEngine::RunL
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//
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// -----------------------------------------------------------------------------
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//
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void CCommandProcessingEngine::RunL()
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    {
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    RDEBUG( _L( "CCommandProcessingEngine::RunL." ) );
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    RDEBUG_1( _L( "Command count: %d." ), iCommands.Count() );
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    __ASSERT_ALWAYS( iCommands.Count() > 0, User::Invariant() );
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    const TInt& cmd = iCommands[0].iCommandId;
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    RDEBUG_1( _L( "Processed command( %d )." ), cmd );
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    iObserver.CommandProcessedL( cmd );
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    iCommands.Remove( 0 );
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    if ( iCommands.Count() > 0 ) // Check if there are more
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        {                        // commands waiting to be processed.
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        ActivateWithTimeout( iCommands[0].iDuration );
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        }
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    RDEBUG( _L( "CCommandProcessingEngine::RunL finished." ) );
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    }
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// -----------------------------------------------------------------------------
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// CCommandProcessingEngine::RunError
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//
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// -----------------------------------------------------------------------------
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//
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TInt CCommandProcessingEngine::RunError( TInt aError )
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    {
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    RDEBUG_1( _L( "CCommandProcessingEngine::RunError( %d )." ), aError );
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    aError = aError; //To prevent compiler warning.
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    RDEBUG( _L( "CCommandProcessingEngine::RunError finished." ) );
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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// CCommandProcessingEngine::DoCancel
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//
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// -----------------------------------------------------------------------------
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//
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void CCommandProcessingEngine::DoCancel()
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    {
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    RDEBUG( _L( "CCommandProcessingEngine::DoCancel." ) );
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    iTimer.Cancel();
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    RDEBUG( _L( "CCommandProcessingEngine::DoCancel finished." ) );
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    }
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// -----------------------------------------------------------------------------
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// CCommandProcessingEngine::CCommandProcessingEngine
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CCommandProcessingEngine::CCommandProcessingEngine(
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    MCommandProcessingObserver& aObserver )
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  : CActive( EPriorityStandard ), iObserver( aObserver )
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    {
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    CActiveScheduler::Add( this );
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    }
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// -----------------------------------------------------------------------------
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// CCommandProcessingEngine::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CCommandProcessingEngine::ConstructL()
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    {
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    User::LeaveIfError( iTimer.CreateLocal() );
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    }
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// -----------------------------------------------------------------------------
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// CCommandProcessingEngine::ActivateWithTimeout
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//
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// -----------------------------------------------------------------------------
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//
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void CCommandProcessingEngine::ActivateWithTimeout( const TInt aDuration )
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    {
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    RDEBUG( _L( "CCommandProcessingEngine::ActivateWithTimeout." ) );
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    iTimer.After( iStatus, 1000 * aDuration );
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    SetActive();
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    RDEBUG( _L( "CCommandProcessingEngine::ActivateWithTimeout finished." ) );
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    }
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//  End of File