/*

* Copyright (c) 2006-2006 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:  Common client-server header file for the Preset Server

*

*/

#ifndef PSCOMMON_H

#define PSCOMMON_H

#include <e32std.h>

const TInt KPSVersionMajor = 1;     /**< Major version number of the server. */

const TInt KPSVersionMinor = 0;     /**< Minor version number of the server. */

const TInt KPSVersionBuild = 0;     /**< Build version number of the server. */

_LIT( KPSServerExe, "psserver.exe" );           /**< Name of the preset server executable. */

_LIT( KPSServerName, "PresetServer" );          /**< Name of the preset server process. */

/**

 * Notification package struct.

 *

 * Used when a preset change notification is requested or completed.

 */

typedef struct

    {

    /** Identifier of the preset the observer is interested in, or <code>KErrNotFound</code> if all changes should be notified. */

    TInt iId;

    /** Data handler of the preset (UID of the ECom plugin that handles this kind of presets). */

    TUid iDataHandler;

    /** Reason for the change. */

    MPSPresetObserver::TPSReason iReason;

    /** Unique identifier for the notification. */

    TUint64 iNotificationId;

    /** Universal time for this notification's origin. This is not used in the client-server communication and can be omitted. */

    TTime iNotificationTime;

    } TPSNotifyDataPackage;

/**

 * Client-server operation codes.

 */

enum TPSOpCode

    {

    /**

     * Creates a new preset.

     *

     * Parameters:

     *  [IN]    Int0    Index of the preset to create.

     *  [IN]    Int1    Data handler of the preset to create.

     *  [OUT]   Int2    Id of the preset that was created.

     */

    EPSOpCreatePreset,         

    /**

     * Deletes a preset.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset to delete.

     */

    EPSOpDeletePreset,

    /**

     * Starts an explicit read/write transaction with a preset.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     */

    EPSOpStartTransaction,

    /**

     * Commits the changes made to a preset during a transaction.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     */

    EPSOpCommitTransaction,

    /**

     * Reverts all changes made to a preset during a transaction.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     */

    EPSOpRollbackTransaction,

    /**

     * Moves a preset.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     *  [IN]    Int1    Destination index of the preset.

     */

    EPSOpMovePreset,

    /**

     * Notifies on preset changes.

     *

     * Parameters:

     *  [IN]    Int0    Pointer to the notifier as an integer.

     *  [IN]    Int1    ID of the preset to observe, or <code>KErrNotFound</code>

                        if all changes should result in a notification.

     *  [IN]    Ptr2    Packed data of type TPSNotifyDataPackage.

     */

    EPSOpNotify,

    /**

     * Cancels a pending notification of a preset change.

     *

     * Parameters:

     *  [IN]    Int0    Pointer to the notifier as an integer.

     */

    EPSOpCancelNotify,

    /**

     * Sets the name of a preset.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     *  [IN]    Ptr1    Name of the preset.

     */

    EPSOpSetPresetName,

    /**

     * Sets the index of a preset.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     *  [IN]    Int1    Index to set.

     */

    EPSOpSetPresetIndex,

    /**

     * Sets the data of a preset.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     *  [IN]    Ptr1    Data to set.

     */

    EPSOpSetPresetData,

    /**

     * Gets the name of a preset.

     * 

     * Parameters:

     * [IN]     Int0    The id of the preset.

     * [OUT]    Ptr1    The name of the preset.

     */

    EPSOpGetPresetName,

    /**

     * Gets the length of a preset's name.

     * 

     * Parameters:

     * [IN]     Int0    Id of the preset.

     * [OUT]    Int1    Length of the preset's name.

     */

    EPSOpGetPresetNameLength,

    /**

     * Gets the index of a preset.

     *

     * Parameters:

     * [IN]     Int0    Id of the preset.

     * [OUT]    Int1    Index of the preset.

     */

    EPSOpGetPresetIndex,

    /**

     * Gets the data handler of a preset.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     *  [OUT]   Int1    Data handler of the preset.

     */

    EPSOpGetPresetDataHandler,

    /**

     * Gets the data of a preset.

     *

     * Parameters:

     *  [IN]    Int0    Id of the preset.

     *  [OUT]   Ptr1    Data of the preset.

     */

    EPSOpGetPresetData,

    /**

     * Gets the length of a preset's data.

     * 

     * Parameters:

     * [IN]     Int0    Id of the preset.

     * [OUT]    Int1    Length of the preset's data.

     */

    EPSOpGetPresetDataLength,

    /**

     * Gets an array of preset ids.

     *

     * Parameters:

     *  [IN]    Int0    Data handler of the presets.

     *  [OUT]   Ptr1    Preset ids matching the data handler.

     */

    EPSOpGetPresets,

    /**

     * Gets the length of the preset array.

     * 

     * Parameters:

     *  [IN]    Int0    Data handler of the presets.

     *  [OUT]   Int1    Length of the array.

     */

    EPSOpGetPresetsLength

    };

#endif // PSCOMMON_H