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/*
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* Copyright (c) 2010 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:
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*
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*/
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#include "snsrdisplaycontrolclient.h"
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#include "snsrdisplaycontrolcommon.h"
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// =========== CONSTANTS ===========
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// ======== LOCAL FUNCTIONS ========
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// -----------------------------------------------------------------------------
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// CreateServerProcess
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// Static function to create the server process.
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// -----------------------------------------------------------------------------
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//
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static TInt CreateServerProcess()
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{
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TInt err( KErrNone );
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RProcess server;
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err = server.Create( KSnsrDispCtrlSrvName, KNullDesC, EOwnerThread );
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if ( !err )
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{
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TRequestStatus status;
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server.Rendezvous( status );
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if ( status != KRequestPending )
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{
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server.Kill( 0 ); // Abort startup.
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}
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else
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{
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server.Resume(); // Logon OK - start the server.
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}
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User::WaitForRequest( status ); // Wait for start or death.
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// We can't use the 'exit reason' if the server panicked as this
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// is the panic 'reason' and may be '0' which cannot be distinguished
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// from KErrNone.
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err = ( server.ExitType() == EExitPanic ) ? KErrGeneral
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: status.Int();
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server.Close();
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}
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return err;
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}
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// -----------------------------------------------------------------------------
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// StartServer
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// Static function to start the server.
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// -----------------------------------------------------------------------------
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//
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static TInt StartServer()
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{
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TInt result;
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TFindServer findServer( KSnsrDispCtrlSrvName );
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TFullName name;
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result = findServer.Next( name );
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if ( result != KErrNone )
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{
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// Server not running
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result = CreateServerProcess();
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}
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return result;
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}
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// ======== MEMBER FUNCTIONS ========
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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EXPORT_C RSnsrDisplayControlClient::RSnsrDisplayControlClient() :
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RSessionBase(), iError( KErrNotReady )
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{
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TInt RSnsrDisplayControlClient::Open()
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{
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iError = StartServer();
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if ( !iError )
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{
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iError = CreateSession( KSnsrDispCtrlSrvName, Version() );
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}
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if ( !iError )
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{
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iError = ShareAuto();
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}
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return iError;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RSnsrDisplayControlClient::Close()
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{
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RSessionBase::Close();
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TVersion RSnsrDisplayControlClient::Version() const
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{
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return TVersion( KSnsrDispCtrlSrvVerMajor,
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KSnsrDispCtrlSrvVerMinor,
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KSnsrDispCtrlSrvVerBuild );
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RSnsrDisplayControlClient::SetDisplayFullPower()
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{
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if ( !iError )
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{
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TRequestStatus status( KRequestPending );
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SendReceive( ESnsrDispCtrlSrvDisplayFullPower, TIpcArgs(), status );
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User::WaitForRequest( status );
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RSnsrDisplayControlClient::SetDisplayLowPower( TInt aStartRow, TInt aEndRow )
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{
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if ( !iError )
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{
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TRequestStatus status( KRequestPending );
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TIpcArgs args( aStartRow, aEndRow );
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SendReceive( ESnsrDispCtrlSrvDisplayLowPower, args, status );
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User::WaitForRequest( status );
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void RSnsrDisplayControlClient::SetDisplayOff()
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{
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if ( !iError )
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{
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TRequestStatus status( KRequestPending );
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SendReceive( ESnsrDispCtrlSrvDisplayOff, TIpcArgs(), status );
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User::WaitForRequest( status );
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}
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}
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