hwrmhaptics/hapticspluginmanager/src/hwrmhapticsreservationhandler.cpp
author William Roberts <williamr@symbian.org>
Thu, 06 May 2010 14:58:25 +0100
branchRCL_3
changeset 18 36a7e6c28b62
parent 0 4e1aa6a622a0
permissions -rw-r--r--
Remove references to deleted bld.inf files, to fix Bug 2631
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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* Copyright (c) 2008 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:  Haptics server reservation handler implementation
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*
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*/
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#include "hwrmhapticsreservationhandler.h"
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#include "hwrmhapticstrace.h"
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#include "hwrmhapticsclientserver.h"
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#include "hwrmhapticsservice.h"
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#include "hwrmhapticspolicy.h"
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const TInt KDefaultPriority = 0;
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CHWRMHapticsReservationHandler* CHWRMHapticsReservationHandler::NewL(
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    const TDesC& aPolicyFilename )
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    {
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::NewL()" ) ) );
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    CHWRMHapticsReservationHandler* self = 
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        new ( ELeave ) CHWRMHapticsReservationHandler();
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    CleanupStack::PushL( self );
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    self->ConstructL( aPolicyFilename );
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    CleanupStack::Pop( self );
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::NewL - return 0x%x" ), self ) );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// Destructor.
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// ---------------------------------------------------------------------------
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//
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CHWRMHapticsReservationHandler::~CHWRMHapticsReservationHandler()
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    {
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::~CHWRMHapticsReservationHandler()" ) ) );
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    delete iPolicy;
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    iPolicy = NULL;
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    // delete reservations
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    while ( iReservation )
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        {
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        TReservationData* deleteData = iReservation;
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        iReservation = iReservation->iSuspendedData;
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        delete deleteData;
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        }
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    iPriorities.Close();
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::~CHWRMHapticsReservationHandler - return" ) ) );
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    }
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// ---------------------------------------------------------------------------
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// Reserve's resource.
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// ---------------------------------------------------------------------------
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//
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TBool CHWRMHapticsReservationHandler::ReserveL( 
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                                    TSecureId aSid, 
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                                    TBool aForceNoCCoeEnv, 
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                                    CHWRMHapticsService* aServiceCallback )
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    {
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::ReserveL(0x%x, 0x%x)" ),
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                       aForceNoCCoeEnv, aServiceCallback ) );
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    TBool trusted( EFalse );
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    TInt priority = KDefaultPriority;
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    // get priority and trusted/not-trusted value
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    GetPriority( aSid, trusted, priority );
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    // If no CCoeEnv is forced, check that client is trusted
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    if ( aForceNoCCoeEnv && !trusted )
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        {
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        User::Leave( KErrAccessDenied );
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        }
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    // keeps track whether or not the made reservation was suspended
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    TBool reserveSuspended = EFalse;
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    // If caller is not yet reserving this subresource, reserve it.
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    if ( !AlreadyReserved( aServiceCallback ) )
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        {
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        // if active reservation has higher priority, reservation
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        // becomes suspended
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        if ( iReservation && iReservation->iPriority >= priority )
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            {
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            reserveSuspended = ETrue;
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            }
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   111
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   112
        // Create data objects at this point so that any OOM leaves 
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parents:
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   113
        // will not cause reservation state to be uncertain
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parents:
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   114
        TReservationData* newData = new ( ELeave ) TReservationData();
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parents:
diff changeset
   115
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parents:
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   116
        // Now we have done the memory allocation we need to, 
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parents:
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   117
        // so we can reserve haptics with no risk of OOM errors
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parents:
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   118
        // and therefore be sure that reservations array is never left in 
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parents:
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   119
        // undetermined state.
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   120
        newData->iCallback = aServiceCallback;
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   121
        newData->iPriority = priority;
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   122
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   123
        if ( reserveSuspended )
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   124
            {
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   125
            // Reserve suspended, i.e. go through list until next one has lower priority
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parents:
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   126
            TReservationData* priorityCheckData = iReservation->iSuspendedData;
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   127
            TReservationData* priorityPreviousData = iReservation;
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   128
            
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   129
            while ( priorityCheckData && 
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   130
                    priorityCheckData->iPriority <= priority )
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parents:
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   131
                {
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   132
                priorityPreviousData = priorityCheckData;
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parents:
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   133
                priorityCheckData = priorityCheckData->iSuspendedData;
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   134
                }
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   135
                
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   136
            // insert new data
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   137
            newData->iSuspendedData = priorityCheckData;
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   138
            priorityPreviousData->iSuspendedData = newData;
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parents:
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   139
            
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   140
            // Notify callback of the reserver that it is suspended
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parents:
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   141
            NotifySuspend( newData );
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   142
            }
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   143
        else 
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   144
            {
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parents:
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   145
            // Reserve as active, i.e. first in list
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parents:
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   146
            newData->iSuspendedData = iReservation;
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   147
            iReservation = newData;
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parents:
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   148
            
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   149
            // Notify callback of current reserver
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   150
            NotifySuspend( newData->iSuspendedData );
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parents:
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   151
            }
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   152
        }             
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   153
    
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parents:
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   154
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::ReserveL - return" ) ) );
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parents:
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   155
    
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parents:
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   156
    return reserveSuspended;
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parents:
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   157
    }
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parents:
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   158
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parents:
diff changeset
   159
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parents:
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   160
// ---------------------------------------------------------------------------
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   161
// Releases reservation of a service.
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   162
// ---------------------------------------------------------------------------
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   163
//
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   164
TBool CHWRMHapticsReservationHandler::Release( 
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   165
                                    CHWRMHapticsService* aServiceCallback )
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parents:
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   166
    {
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   167
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::Release(0x%x)" ), aServiceCallback) );
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parents:
diff changeset
   168
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parents:
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   169
    // find the reservation data from the list
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parents:
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   170
    TReservationData* found = iReservation;
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parents:
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   171
    TReservationData* prev = NULL;
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parents:
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   172
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parents:
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   173
    // continue searching while there are items in the list, or until 
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parents:
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   174
    // the item is found
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parents:
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   175
    while ( found && found->iCallback != aServiceCallback )
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parents:
diff changeset
   176
        {
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   177
        prev = found;
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parents:
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   178
        found = found->iSuspendedData;
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parents:
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   179
        }
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parents:
diff changeset
   180
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parents:
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   181
    // remove reservation if it was found
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parents:
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   182
    if ( found )
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parents:
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   183
        {
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parents:
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   184
        COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::Release - Releasing: 0x%x, suspendedData = 0x%x" ), found, found->iSuspendedData ) );
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parents:
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   185
        
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parents:
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   186
        if ( !prev )
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parents:
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   187
            {
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parents:
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   188
            // reservation is the first one in the list, activate next item
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parents:
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   189
            iReservation = found->iSuspendedData;
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parents:
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   190
            }
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parents:
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   191
        else
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parents:
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   192
            {
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parents:
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   193
            // reservation is in the middle of the list, reset list's links
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parents:
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   194
            prev->iSuspendedData = found->iSuspendedData;
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parents:
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   195
            }
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parents:
diff changeset
   196
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parents:
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   197
        // delete released service
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   198
        delete found;
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parents:
diff changeset
   199
        found = NULL;
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parents:
diff changeset
   200
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parents:
diff changeset
   201
        // Reactivate first service on list
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parents:
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   202
        NotifyResume( iReservation );
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parents:
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   203
        }
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parents:
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   204
    else
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parents:
diff changeset
   205
        {
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parents:
diff changeset
   206
        // reservation not found
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parents:
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   207
        COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::Release - Reservation not found, releasing nothing" ) ) );
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parents:
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   208
        }
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parents:
diff changeset
   209
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parents:
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   210
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::Release - return" ) ) );
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parents:
diff changeset
   211
    
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parents:
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   212
    return (iReservation ? ETrue : EFalse);
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parents:
diff changeset
   213
    }
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parents:
diff changeset
   214
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parents:
diff changeset
   215
// ---------------------------------------------------------------------------
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parents:
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   216
// Returns whether or not haptics is reserved for some other service than
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parents:
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   217
// given one.
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parents:
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   218
// ---------------------------------------------------------------------------
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parents:
diff changeset
   219
//
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parents:
diff changeset
   220
TBool CHWRMHapticsReservationHandler::IsReserved( 
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parents:
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   221
                        const CHWRMHapticsService* aServiceCallback ) const
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parents:
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   222
    {
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parents:
diff changeset
   223
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::IsReserved(0x%x)" ), aServiceCallback ) );
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    TBool retval = EFalse;
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    // Check if haptics is reserved to somebody other than caller
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    if ( iReservation && iReservation->iCallback != aServiceCallback )
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        {
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        retval = ETrue;
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        }
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::IsReserved - return: 0x%x" ), retval ) );
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    return retval;
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    }
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// ---------------------------------------------------------------------------
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// Checks whether or not haptics is reserved for the given client.
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// ---------------------------------------------------------------------------
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//
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TBool CHWRMHapticsReservationHandler::ActiveReservation( 
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                        const CHWRMHapticsService* aServiceCallback ) const
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    {
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::ActiveReservation(0x%x)" ), aServiceCallback ) );
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    TBool retval = EFalse;
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    // Check if haptics is reserved for the given service
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    if ( iReservation && iReservation->iCallback == aServiceCallback )
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        {
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        retval = ETrue;
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        }
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::ActiveReservation - return: 0x%x" ), retval ) );
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    return retval;
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    }
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// ---------------------------------------------------------------------------
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// Checks whether current haptics client's priority is higher than new 
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// request making client's priority.
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// ---------------------------------------------------------------------------
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//
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TBool CHWRMHapticsReservationHandler::ReservedPriorityHigher( 
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                                                    TSecureId aSid ) const
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    {
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::ReservedPriorityHigher" ) ) );
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    TBool ret = EFalse;
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    if( iReservation )
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        {
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        // active reservation is the first reservation data
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        TInt activePriority = iReservation->iPriority;
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        // get priority of the calling service
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        TBool trusted = EFalse;
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        TInt reqPriority = KDefaultPriority;
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        GetPriority( aSid, trusted, reqPriority );
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        // check priority order
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        if ( activePriority >= reqPriority )
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            {
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            ret = ETrue;
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            }
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        }
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::ReservedPriorityHigher - ret %d" ), ret ) );
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    return ret;
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    }
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   293
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// ---------------------------------------------------------------------------
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// Sets the priority of a client (used when executing priority setting
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// requested by the client using SetDeviceProperty()).
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// ---------------------------------------------------------------------------
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//
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void CHWRMHapticsReservationHandler::SetPriorityL( TSecureId aSid, 
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                                                   TInt aPriority )
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    {
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::SetPriorityL" ) ) );
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   303
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    // do not insert new priority, if already set; just update old value
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    TInt exists = EFalse;
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    for ( TInt i = 0; i < iPriorities.Count() && !exists; ++i )
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        {
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        if ( iPriorities[i].iSid == aSid )
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            {
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            iPriorities[i].iPriority = aPriority;
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            exists = ETrue;
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            }
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        }
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   314
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    // if not found, insert new data
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    if ( !exists )
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        {
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        TPriority priority( aSid, aPriority );
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        iPriorities.AppendL( priority );
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        }
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   321
    
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::SetPriorityL - return" ) ) );
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    }
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   324
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// ---------------------------------------------------------------------------
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// Removes the priority of a client.
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// ---------------------------------------------------------------------------
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//
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void CHWRMHapticsReservationHandler::RemovePriority( TSecureId aSid )
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    {
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    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::RemovePriority" ) ) );
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   332
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    TInt removed = EFalse;
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    for ( TInt i = 0; i < iPriorities.Count() && !removed; ++i )
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        {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
        if ( iPriorities[i].iSid == aSid )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
            {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
            iPriorities.Remove( i );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
            removed = ETrue;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
            }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
        }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::RemovePriority - return" ) ) );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
    }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
// Fetches the priority of a client identified using the given secure id.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
//
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
void CHWRMHapticsReservationHandler::GetPriority( TSecureId aSid, 
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
                                               TBool& aTrusted, TInt& aPriority ) const
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
    {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::GetPriority" ) ) );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
    // initialize return value with the default priority
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
    TInt priority = KDefaultPriority;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
    // search from the priority array
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
    TInt found = EFalse;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
    for ( TInt i = 0; i < iPriorities.Count() && !found; ++i )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
        {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
        if ( iPriorities[i].iSid == aSid )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
            {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
            priority = iPriorities[i].iPriority;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
            found = ETrue;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
            }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
        }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
    TInt policyPriority;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
    // search priority from the policy file data
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
    iPolicy->GetPriority( aSid, aTrusted, policyPriority );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
    // set priority from policy file, if not found from priority array
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
    // and found from the policy file (i.e. trusted client)
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
    if ( !found && aTrusted )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
        {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
        priority = policyPriority;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
        }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
    aPriority = priority;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::GetPriority - return %d" ), priority ) );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
    }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
// C++ constructor
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
//
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
CHWRMHapticsReservationHandler::CHWRMHapticsReservationHandler()
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
    {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::CHWRMHapticsReservationHandler()" ) ) );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
    }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
// Symbian 2nd phase constructor.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
//
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
void CHWRMHapticsReservationHandler::ConstructL( 
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
                                            const TDesC& aPolicyFilename )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
    {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::ConstructL()" ) ) );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
    // Initialize policy object
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
    iPolicy = CHWRMHapticsPolicy::NewL( aPolicyFilename );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
    COMPONENT_TRACE( ( _L( "CHWRMHapticsReservationHandler::ConstructL - return" ) ) );
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
    }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
// Returns whether or not a reservation exists for the given service.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
//
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
TBool CHWRMHapticsReservationHandler::AlreadyReserved( 
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
                        const CHWRMHapticsService* aService ) const
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
    {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
    TBool reserved = EFalse;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
    // go through the reservations
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
    TReservationData* reservationData = iReservation;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
    while ( reservationData && !reserved )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
        {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
        if ( reservationData->iCallback == aService )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
            {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
            // reservation found for the service
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
            reserved = ETrue;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
            }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
        
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
        reservationData = reservationData->iSuspendedData;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
        }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
    return reserved;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
    }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
// Notifies callback that its reservations has been suspended.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
//
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
void CHWRMHapticsReservationHandler::NotifySuspend( 
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
                                            TReservationData* aData ) const
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
    {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
    if ( aData && aData->iCallback )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
        {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
        aData->iCallback->SuspendResource();
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
        }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
    }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
// ---------------------------------------------------------------------------
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
// Notifies callback that its reservations has been resumed.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
// ---------------------------------------------------------------------------
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parents:
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   450
//
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parents:
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   451
void CHWRMHapticsReservationHandler::NotifyResume( 
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parents:
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                                            TReservationData* aData ) const
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parents:
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   453
    {
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parents:
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   454
    if ( aData && aData->iCallback )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   455
        {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   456
        aData->iCallback->ResumeResource();
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parents:
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   457
        }
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parents:
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   458
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
//  End of File