/*

* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Harvester server commands*

*/

#ifndef __HARVESTERCOMMON_H__

#define __HARVESTERCOMMON_H__

#include <harvestereventenum.h>

#include <e32msgqueue.h>

#include <f32file.h>

enum THarvesterService

{

    EResumeHarvester,

    EPauseHarvester,

    EHarvestFile,

    ERegisterProcessOrigin,

    EUnregisterProcessOrigin,

	ERegisterHarvestComplete,

    EUnregisterHarvestComplete,

    ERegisterHarvesterEvent,

    EUnregisterHarvesterEvent,

    EGetLastObserverId,

#ifdef _DEBUG

    EStopHarvester,

#endif

    EHarvestFileWithUID

};

/* Server version */

const TUint KHarvesterServerMajorVersion = 0;

const TUint KHarvesterServerMinorVersion = 1;

const TUint KHarvesterServerBuildVersion = 1;

/**

 * Harvester event status which is sent from 

 * harvester server to harvester client.

 */

struct THarvesterEventNotification

	{

	TUint iObserverId;

	HarvesterEventObserverType iObserverType;

	HarvesterEventState iCurrentState;

	TUint iItemsLeft;

	};

typedef RMsgQueue<THarvesterEventNotification> THarvesterEventQueue;

/**

 * Common harvester event observer infomation.

 * 

 * Used for deliver client side information to server side during 

 * registering observers and store observer information in server side.

 */

struct THarvesterEventObserverInfo

	{

	// client fills

	TInt iQueueHandle;

	TUint iObserverId;

	TInt iObserverType;

	TInt iNotificationInterval;

	// server fills

	TUint iProcessUid;

	THarvesterEventQueue* iQueuePtr; // not owned

	TUint iDelta;

	};

_LIT(KHarvesterOomQueue, "mdsoommsgqueue");

enum TMdsOomStatus

	{

	EMdsOomFreeRam,

	EMdsOomMemoryGood

	};

const TInt KHarvesterGetRootDirFlags = EDirsFirst;

const TInt KHarvesterGetDirFlags = ESortByDate | EAscending | EDirsFirst;

_LIT( KExludedThumbPath, "_PAlbTN");

_LIT( KExludedMediaArtPath, ".mediaartlocal");

const TInt KOriginIgnored = 255;

const TInt KOriginFastHarvest = 254;

const TInt KOriginIgnoreAttribsChanged = 253;

const CActive::TPriority KHarvesterPriorityContextEngine = CActive::EPriorityUserInput;

const CActive::TPriority KHarvesterPriorityMonitorPlugin = CActive::EPriorityUserInput;

const CActive::TPriority KHarvesterPriorityComposerPlugin = CActive::EPriorityStandard;

const CActive::TPriority KHarvesterPriorityHarvestingPlugin = CActive::EPriorityStandard;

// Between Standard and UserInput to allow components to react to important events correctly

const TInt KHarvesterCustomImportantPriority = 5;

#endif