/*

* Copyright (c) 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:  Common message definitions and utilities for MDS internal use

*

*/

#ifndef MDSCOMMONINTERNAL_H

#define MDSCOMMONINTERNAL_H

#include <mdccommon.h>

//                           X:[<UID>]<database-name>.db

_LIT( KMdsSqlDbDefaultName, "C:[200009f3]metadata.sq" );

_LIT( KMdsSqlDbDefaultPath, "C:\\private\\10281E17\\[200009f3]metadata.sq" );

_LIT( KMdsSqlDbBackupPath, "C:\\private\\200009F5\\[200009f3]metadata.sq" );

// default import metadata file

_LIT( KMdsDefaultImportFile, "C:\\private\\200009f3\\defaultimportfile.mde" );

_LIT( KMdsDefaultRomImportFile, "Z:\\private\\200009f3\\defaultimportfile.mde" );

// schema file version

const TInt KSchemaFileMajorVersion = 2;

const TInt KSchemaFileMinorVersion = 0;

const TDefId KDefaultNamespaceDefId = 1;

const TDefId KBaseObjectDefId = 1;

const TUint32 KBaseObjectBasicValueColumnOffset = 8;

const TInt KMaxUintValueLength   = 10;

const TInt KMaxUint64ValueLength = 20;

_LIT( KMdSServerName,"MdSServer" ); // Server name

_LIT( KSchemaChunkName, "MdSSchema" );

_LIT( KCMediaIdKey, "CDriveMediaId" );

_LIT( KMassStorageMediaIdKey, "MassStorageMediaId" );

const TInt KMmcEntryBufferSize = 100;

// The server version. A version must be specified when

// creating a session with the server.

const TUint KMdSServMajorVersionNumber=2;

const TUint KMdSServMinorVersionNumber=5;

const TUint KMdSServBuildVersionNumber=0;

const TUint32 KNokiaVendorId = 52487775;

const TInt64 KDiskFullThreshold = 1024*50; // 50 kB

// P&S stuff

static _LIT_SECURITY_POLICY_PASS(KAllowAllPolicy);

static _LIT_SECURITY_POLICY_C1(KPowerMgmtPolicy,ECapabilityPowerMgmt);

const TUid KMdSPSShutdown = { 0x20022E94 };

const TUid KHarvesterPSShutdown = { 0x200009F5 };

const TUid KWatchdogPSShutdown = { 0x20022E93 };

const TInt KShutdown = 0x00000002;

//Locktype for query

enum TMdCQueryLockType

	{

	EGet,

	ELock	

	};

//

// Common enumerations in client/server messages

//

// Server requests

enum TMdEServRqst

    {

    EShutdown = 0,         	// shut down the session

    EAdd,					// add items

    ERemove,				// remove items

    EFind,              	// finds in sync

    EAsyncFind,         	// finds asynchronously

    EContinueAsyncFind, 	// continues existing asynchronous find, fetches next set

    ECancelFind,        	// cancels asynchronous find

    ECancelObject,      	// cancels opened object

    ECheckObject,			// get object's "base" values

    EUpdate,		      	// update items

    ERegister,          	// registers an object to be notified

    EListen,            	// listens for events for a registered profile

    EUnregister,        	// unregisters for no more notifications

    EGetData,           	// (transfers data server->client)

    EImportMetadata,    	// starts metadata importing

    EAsyncImportMetadata,	// starts asynchronous metadata importing

    EExportMetadata,		// starts metadata exporting

    EAsyncExportMetadata,	// starts asynchronous metadata exporting

    EImportSchema,      	// starts schema importing

    EAddRelationDef,		// Add new relation

    EAddEventDef,			// Add new event

    EAddMemoryCard,			// Add new memory card's media ID

    EGetMemoryCard,			// Get latest memory card's media ID

    ECheckMemoryCard,		// Check if there is already  memory card with given media ID

    ESetMedia,				// Set media's media ID, drive and present state to DB

    EGetMedia,				// Get media's drive and present state from DB

    EGetPresentMedias,		// Get present medias' media IDs, drives and present states from DB

    ESetFileToPresent,		// Set file to present state

    ESetFilesToPresent,		// Set files to present state

    ESetFilesToNotPresent,	// Set all files, which media ID is given, to not present state

    ERemoveFilesNotPresent,	// Remove all objects, which are in not present state, with given media ID

    EGetSchemaVersion,		// Get schema version's major and minor version

    ESetObjectToPresentByGuid,					// Set object to "present" state by GUID

    ESetHarvestingPrioritizationChunk,			// Set global harvester prioritization chunk

    EAddHarvestingPrioritizationObserver,		// Add harvester prioritization observer

    ECancelHarvestingPrioritizationObserver,	// Cancel harvester prioritization observer

    EChangePath,            // Change path of objects

    ESetPending,    		// Set pending flag to objects

    EResetPending,			// Reset pending flag to objects

    EGetPendingCount,		// Get count of objects with pending flag

    EGetPending,			// Get objects with pending flag

    EResetDB,              	// Reset database (works only in DEBUG build)

    EChangeMediaId,			// Change C-drive media id and update objects

    EChangeMassStorageMediaId,         // Change internal mass storage media id and update objects

    EUnknownMdEServRqst     // handle for unknown requests

    };

// Server request arguments for 

// EAddRelationDef and EAddEventDef

enum TMdEServRqstArgsAddDef

	{

	EAddDefArgNamespaceId = 0,

	EAddDefArgDefName     = 1

	};

// Server request arguments for 

// EFind, EAsyncFind, EContinueAsyncFind and ECancelFind

enum TMdEServRqstArgsFind

	{

	EFindArgQueryId         = 0,

	EFindArgConditions      = 1,

	EFindArgResulBufferSize = 2,

	EFindArgNotifyCount     = 3

	};

enum TMdEServRqstArgsCheckObject

	{

	ECheckObjectArgType           = 0,

	ECheckObjectArgTypeValue      = 1,

	ECheckObjectArgNamespaceDefId = 2,

	ECheckObjectArgObject         = 3

	};

enum TMdECheckObjectType

	{

	ECheckObjectByUri,

	ECheckObjectById,

	ECheckObjectByIds

	};

// Server request arguments for 

// ESetObjectToPresentByGuid

enum TMdEServRqstArgsSetObjectToPresentByGuid

	{

	ESetObjectToPresentByGuidArgGuidHigh = 0,

	ESetObjectToPresentByGuidArgGuidLow  = 1

	};

// Server request responses

enum TMdEServRqstComplete

	{

    EAsyncFindSetReady  = 1000, // set complete

    EAsyncFindComplete,         // whole find complete

    ELoadSchema,        		// fetches schema to client

    /*ENotifyAdded,               // notification: item added

    ENotifyRemoved,             // notification: item removed

    ENotifyModified,            // notification: item modified

    ENotifyObjectPresent,       // notification: object set to present

    ENotifyObjectNotPresent,    // notification: object set to not present

    ENotifyRelationPresent,     // notification: relation set to present

    ENotifyRelationNotPresent,  // notification: relation set to not present

    ENotifySchemaAdded,         // notification: schema added

    */

	};

// MdE user levels

enum TUserLevel

    {

    EUserLevelNone,

    EUserLevelNormal,

    EUserLevelDeviceAccess

    };

enum TMdEObjectFlags

	{

	EMdEObjectFlagNone                 = 0x00000000, // no flags set

	EMdEObjectFlagNotPresent           = 0x00000001, // object is marked as not present

	EMdEObjectFlagRemoved              = 0x00000002, // object is marked as removed

	EMdEObjectFlagFreetexts            = 0x00000004, // object has freetext(s)

	EMdEObjectFlagConfidential         = 0x00000008, // object is confidential

	EMdEObjectFlagPlaceholder          = 0x00000010, // object is placeholder

	EMdEObjectFlagStartUpNotPresent    = 0x00000020, // object is marked as start up not present

	EMdEObjectFlagContext              = 0x00000040, // object is context object

	EMdEObjectFlagGarbage              = 0x00000080, // object is marked to be removed by garbage collector

	EMdeObjectFlagPending			   = 0x00000100, // composing to binary is pending for this object

	EMdEObjectFlagModObject            = 0x00010000, // object modifications

	EMdEObjectFlagModProperty          = 0x00020000, // one of properties modifications

	EMdEObjectFlagModFreeText          = 0x00040000, // one of freetext modifications

	EMdEObjectFlagModOpen              = 0x00080000, // open for modifications

	EMdEObjectFlagAutoLock             = 0x00100000, // open for modifications

	};

enum TMdERelationFlags

	{

	EMdERelationFlagNone           = 0x00000000, // no flags set

	EMdERelationFlagNotPresent     = 0x00000001, // relation's object is not present

	EMdERelationFlagDeleted        = 0x00000002, // relation's object is marked as removed

	EMdERelationFlagGarbageDeleted = 0x00080000, // relation's object is marked to be removed by garbage collector

	};

enum TMdEPropertyFlags

	{

	EPropertyReadOnly   = 0x01,

	EPropertyMandatory  = 0x02,

	};

enum TMdEPropertyModFlags

	{

	EMdEPropertyModNone   = 0x00,

	EMdEPropertyModChange = 0x01,

	EMdEPropertyModRemove = 0x02,

	};

enum TMdSObserverNotificationType

	{

	EObjectNotifyAdd          = 0x00000001,

	EObjectNotifyModify       = 0x00000002,

	EObjectNotifyRemove       = 0x00000004,

	EObjectNotifyPresent      = 0x00000010,

	EObjectNotifyNotPresent   = 0x00000020,

	ERelationNotifyAdd        = 0x00000100,

	ERelationNotifyModify     = 0x00000200,

	ERelationNotifyRemove     = 0x00000400,

	ERelationNotifyPresent    = 0x00001000,

	ERelationNotifyNotPresent = 0x00002000,

	//ERelationItemNotifyAdd    = 0x00010000,

	//ERelationItemNotifyModify = 0x00020000,

	ERelationItemNotifyRemove = 0x00040000,

	EEventNotifyAdd           = 0x00100000,

	EEventNotifyRemove        = 0x00200000,

	ESchemaModify             = 0x01000000,

	EObjectNotifyAddWithUri        = 0x10000000,

    EObjectNotifyModifyWithUri     = 0x20000000,

    EObjectNotifyRemoveWithUri     = 0x40000000,	

	// 0x80000000 is not allowed (signed number is negative)

	};

// File info

struct TMdSFileInfo

	{

	/** Last modification time. */

	TInt64 iModifiedTime;

	/** File size in bytes. */

	TUint32 iSize;

	};

/** Storage state flags.  */

enum TStoredFlags

	{

	EStoredFlagsNone  = 0x0000,

	EStoredFlagsDB    = 0x0001, // data stored in DB

	EStoredFlagsTable = 0x0002, // table is stored in DB

	EStoredFlagsC2P   = 0x0004, // data is stored in Col2Prop table

	};

/**

 * Query's internal optimization flags

 */

enum TInternalOptimizationFlags

	{

	EContainsObjectCondition     = 0x00000001,

	EContainsRelationCondition   = 0x00000002,

	EContainsEventCondition      = 0x00000004,

	EContainsFreetextCondition   = 0x00000008,

	EContainsNotPresentCondition = 0x00000010,

	EContainsObjectLocking       = 0x00000020,

	EContainsPlaceholdersOnly    = 0x00000040

	};

struct TMdEMediaInfo

	{

	TUint32 iMediaId;

	TChar iDrive;

	};

/**

 * File present states.

 * Values must be between 0 and 255.

 */

enum TFilePresentStates

	{

	EMdsNotFound = 0,

	EMdsNormal,

	EMdsPlaceholder,

	EMdsModified

	};

struct TMdSMediaIdAndCount

	{

	TUint32 iMediaId;

	TUint32 iCount;

	};	

#endif //MDSCOMMONINTERNAL_H