/*

* 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:  ?Description

*

*/

#ifndef __MDEOBJECT_H__

#define __MDEOBJECT_H__

//#include <uri16.h>

#include <mdeinstanceitem.h>

// CMdEProperty compatibility wrappers

#include <mdetextproperty.h>

#include <mdenumberproperty.h>

/* Forward declarations. */

class CMdEObjectDef;

class CMdEPropertyDef;

class CMdEProperty;

class CMdCSerializationBuffer;

class CMdENamespaceDef;

NONSHARABLE_CLASS( TMdEObject )

	{

public:

	/* Constructors and destructor. */

	/**

	 * Constructs a new object.

	 */

	IMPORT_C TMdEObject();

	/**

	 * Returns the ID of the object.

	 *

	 * @return  Object ID.

	 */

	IMPORT_C TItemId Id() const;

	/**

	 * Returns the definition of the object. Leaves with error code 

	 * KErrNotFound if object definition is missing.

	 *

	 * @return Object definition.

	 */

	IMPORT_C const CMdEObjectDef& DefL() const;

	/**

	 * Returns whether object is confidential or not.

	 *

	 * @return  <code>ETrue</code>, if the object has been set to confidential.

	 *          <code>EFalse</code>, otherwise.

	 */

	IMPORT_C TBool Confidential() const;

	/**

	 * Returns whether object is placeholder or not.

	 *

	 * @return  <code>ETrue</code>, if the object has been set to placeholder.

	 *          <code>EFalse</code>, otherwise.

	 */

	IMPORT_C TBool Placeholder() const;

	/**

	 * Returns whether object is removed or not.

	 *

	 * @return  <code>ETrue</code>, if the object has been set to removed.

	 *          <code>EFalse</code>, otherwise.

	 */

	IMPORT_C TBool Removed() const;

	/**

	 * Returns whether object is present or not.

	 *

	 * @return  <code>ETrue</code>, if the object has been set to not present.

	 *          <code>EFalse</code>, otherwise.

	 */

	IMPORT_C TBool NotPresent() const;

public:

	/**

	 * Calculates required size for buffer to serialize object

	 *

	 * @return necessary buffer size

	 */

	static TUint32 RequiredBufferSize();

	/**

	 * Retrieve object from serialized buffer

	 *

	 * @param aBuffer buffer where serialized object is

	 * @param aNamespaceDef namespace definition of namespace where object is 

	 *                      located

	 */

	void DeSerializeL(CMdCSerializationBuffer& aBuffer, 

			CMdENamespaceDef& aNamespaceDef);

protected:

	/** object ID */

	TItemId iId;

	/** Pointer to object definition, this doesn't own it. */

	CMdEObjectDef* iDef;

	/** various flags */

	TUint32 iFlags;

	};

/**

 * Object.

 */

NONSHARABLE_CLASS(CMdEObject) : public CMdEInstanceItem

	{

public:

	/* Constructors and destructor. */

	/**

	 * Constructs a new object from serialized buffer

	 *

	 * @param aBuffer  buffer which contains serialized object

	 * @param aNamespaceDef  reference to namespace where to object is created

	 */

	static CMdEObject* NewL( CMdESession* aSession, CMdCSerializationBuffer& aBuffer, CMdENamespaceDef& aNamespaceDef );

	/**

	 * Constructs a new object from serialized buffer and leave it on stack

	 *

	 * @param aBuffer  buffer which contains serialized object

	 * @param aNamespaceDef  reference to namespace where to object is created

	 */

	static CMdEObject* NewLC( CMdESession* aSession, CMdCSerializationBuffer& aBuffer, CMdENamespaceDef& aNamespaceDef );

	/**

	 * Constructs a new object.

	 *

	 * @param aDef  Definition of the new object.

	 * @param aUri URI of the new object.

	 * @param aMediaId mediaid of object. Defaults to 0.

	 */

	static CMdEObject* NewL( CMdEObjectDef& aDef, const TDesC& aUri, TUint32 aMediaId = 0 );

	/**

	 * Constructs a new object.

	 *

	 * @param aDef  Definition of the new object.

	 * @param aUri URI of the new object.

	 * @param aMediaId mediaid of object. Defaults to 0.

	 */

	static CMdEObject* NewLC( CMdEObjectDef& aDef, const TDesC& aUri, TUint32 aMediaId = 0 );

	/**

	 * Destructor.

	 */

	virtual ~CMdEObject();

	/* Methods. */

	/**

	 * Returns the definition of the object.

	 *

	 * @return  Object definition.

	 */

	IMPORT_C CMdEObjectDef& Def() const;

	/**

	 * Sets the definition of the object. Object's old object definition must 

	 * be "Object" and object must not belong to any session, otherwise method 

	 * leaves with error code KErrNotSupported.

	 * 

	 * @param aDef  New object definition.

	 */

	IMPORT_C void SetDefL(CMdEObjectDef& aDef);

	/**

	 * Returns the URI of the object.

	 *

	 * @return  URI.

	 */

	IMPORT_C const TDesC& Uri() const;

	/**

	 * Sets the URI of the object.

	 *

	 * @param aUri  New URI.

	 */

	IMPORT_C void SetUriL(const TDesC& aUri);

	/**

	 * Returns whether object is confidential or not.

	 *

	 * @return  <code>ETrue</code>, if the object has been set to confidential.

	 *          <code>EFalse</code>, otherwise.

	 */

	IMPORT_C TBool Confidential() const;

	/**

	 * Returns whether object is confidential or not.

	 *

	 * @param aValue  <code>ETrue</code>, if the object is confidential.

	 *                <code>EFalse</code>, otherwise.

	 */

	IMPORT_C void SetConfidential(TBool aValue);

	/**

	 * Returns whether object is placeholder or not.

	 *

	 * @return  <code>ETrue</code>, if the object has been set to placeholder.

	 *          <code>EFalse</code>, otherwise.

	 */

	IMPORT_C TBool Placeholder() const;

	/**

	 * Returns whether object is placeholder or not.

	 *

	 * @param aValue  <code>ETrue</code>, if the object is placeholder.

	 *                <code>EFalse</code>, otherwise.

	 */

	IMPORT_C void SetPlaceholder(TBool aValue);

	/**

	 * Returns the Media ID of the object.

	 *

	 * @return  Media ID.

	 */

	IMPORT_C TUint32 MediaId() const;

	/**

	 * Sets the Media ID of the object.

	 *

	 * @param aMediaId  New Media ID.

	 */

	IMPORT_C void SetMediaId(TUint32 aMediaId);

	/**

	 * Returns the usage count of the object.

	 *

	 * @return usage count

	 */

	IMPORT_C TUint32 UsageCount() const;

	/**

	 * Returns the Guid of the object.

	 *

	 * @param aGuidHigh reference where GuidHigh will be stored

	 * @param aGuidLow reference where GuidLow will be stored

	 */

	IMPORT_C void Guid( TInt64& aGuidHigh, TInt64& aGuidLow ) const;

	/**

	 * Sets the Guid of the object.

	 *

	 * @param aGuidHigh new GuidHigh value

	 * @param aGuidLow new GuidLow value

	 */

	IMPORT_C void SetGuid( const TInt64& aGuidHigh, const TInt64& aGuidLow );

	/**

	 * Returns whether the object is open for modifications or not.

	 *

	 * @return  <code>ETrue</code>, if the object is open for modifications.

	 *          <code>EFalse</code>, otherwise.

	 */

	IMPORT_C TBool OpenForModifications() const;

	/* Methods for accessing properties. */

	/**

	 * Returns the number of properties.

	 *

	 * @return  number of properties

	 */

	IMPORT_C TInt PropertyCount() const;

	/**

	 * Returns the property at the specified index.

	 *

	 * @param aIndex  index

	 *

	 * @return  property

	 */

	IMPORT_C CMdEProperty& PropertyL(TInt aIndex) const;

	/**

	 * Returns the property by given property def

	 *

	 * Example:

	 *  CMdENamespaceDef& defaultNamespace = iMdeSession->GetDefaultNamespaceDefL();

     *	CMdEObjectDef& imageDef = defaultNamespace.GetObjectDefL( MdeConstants::Image::KImageObject );

	 *  CMdEObject* image = iMdESession->OpenObjectL( 17, imageDef );

	 * 

	 *  CMdEPropertyDef& lastModDatePropDef = imageDef.GetPropertyDefL(

     *   		Object::KLastModifiedDateProperty );

     * 

     *  CMdEProperty* lastModDateProp = NULL;

     *  image->Property( lastModDatePropDef, lastModDateProp );

	 * 

	 * @param aDef      property definition

	 * @param aProperty ref to pointer that will receive property address, if such is found.

	 * @param aStartAt  index where to begin search(by default starts from beginning)

	 *

	 * @return  Index, or <code>KErrNotFound</code>.

	 */

    IMPORT_C TInt Property(const CMdEPropertyDef& aDef, CMdEProperty*& aProperty, TInt aStartAt=0) const;

	/**

	 * Returns the number of properties of the specified definition.

	 *

	 * @param aDef  property definition

	 *

	 * @return  number of properties

	 */

	IMPORT_C TInt PropertyCount(const CMdEPropertyDef& aDef) const;

	/**

	 * Adds a new bool property to the object. If property definition doesn't 

	 * match with value, method leaves with error code KErrArgument.

	 * 

	 * Example:

	 *   CMdEPropertyDef& receivedDef = objectDef.GetPropertyDefL( MdeConstants::Message::KReceivedProperty );

	 *   metadataObject.AddBoolPropertyL( receivedDef, ETrue );

	 *

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddBoolPropertyL(CMdEPropertyDef& aDef, TBool aValue);

	/**

	 * Adds a new signed 8-bit integer property to the object. If property 

	 * definition doesn't match with value, method leaves with error code 

	 * KErrArgument.

	 * 

	 * Example:

	 *   CMdEPropertyDef& eightBitDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddInt8PropertyL( eightBitDef, value );

	 *

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddInt8PropertyL(CMdEPropertyDef& aDef, TInt8 aValue);

	/**

	 * Adds a new unsigned 8-bit integer property to the object. If property 

	 * definition doesn't match with value, method leaves with error code 

	 * KErrArgument.

	 *

	 * Example:

	 *   CMdEPropertyDef& eightBitDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddUint8PropertyL( eightBitDef, value );

	 * 

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddUint8PropertyL(CMdEPropertyDef& aDef, TUint8 aValue);

	/**

	 * Adds a new signed 16-bit integer property to the object. If property 

	 * definition doesn't match with value, method leaves with error code 

	 * KErrArgument.

	 *

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddInt16PropertyL( propertyDef, value ); 

	 *

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddInt16PropertyL(CMdEPropertyDef& aDef, TInt16 aValue);

	/**

	 * Adds a new unsigned 16-bit integer property to the object. If property 

	 * definition doesn't match with value, method leaves with error code 

	 * KErrArgument.

	 *

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddUint16PropertyL( propertyDef, value );

	 * 

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */	 

	IMPORT_C CMdEProperty& AddUint16PropertyL(CMdEPropertyDef& aDef, TUint16 aValue);

	/**

	 * Adds a new signed 32-bit integer property to the object. If property 

	 * definition doesn't match with value, method leaves with error code 

	 * KErrArgument.

	 * 

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddInt32PropertyL( propertyDef, value );

	 *

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddInt32PropertyL(CMdEPropertyDef& aDef, TInt32 aValue);

	/**

	 * Adds a new unsigned 32-bit integer property to the object. If property 

	 * definition doesn't match with value, method leaves with error code 

	 * KErrArgument.

	 * 

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddUint32PropertyL( propertyDef, value );

	 *

	 * @param aDef         Definition of the new property. If property definition doesn't 

	 * match with value, method leaves with error code KErrArgument.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddUint32PropertyL(CMdEPropertyDef& aDef, TUint32 aValue);

	/**

	 * Adds a new 64-bit integer property to the object. If property definition 

	 * doesn't match with value, method leaves with error code KErrArgument.

	 *

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddInt64PropertyL( propertyDef, value );

	 * 

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddInt64PropertyL(CMdEPropertyDef& aDef, TInt64 aValue);

	/**

	 * Adds a new 32-bit real property to the object. If property definition 

	 * doesn't match with value, method leaves with error code KErrArgument.

	 *

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddReal32PropertyL( propertyDef, realValue );

	 * 

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddReal32PropertyL(CMdEPropertyDef& aDef, TReal32 aValue);

	/**

	 * Adds a new 64-bit real property to the object. If property definition 

	 * doesn't match with value, method leaves with error code KErrArgument.

	 *

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddReal64PropertyL( propertyDef, realValue );

	 * 

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddReal64PropertyL(CMdEPropertyDef& aDef, TReal64 aValue);

	/**

	 * Adds a new text property to the object. If property definition doesn't 

	 * match with value, method leaves with error code KErrArgument.

	 *

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddTextPropertyL( propertyDef, text );

	 * 

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddTextPropertyL(CMdEPropertyDef& aDef, const TDesC& aValue);

	/**

	 * Adds a new time property to the object. If property definition doesn't 

	 * match with value, method leaves with error code KErrArgument.

	 *

	 * Example:

	 *   CMdEPropertyDef& propertyDef = objectDef.GetPropertyDefL( MdeConstants::Object::KProperty );

	 *   metadataObject.AddTimePropertyL( propertyDef, time );

	 * 

	 * @param aDef         Definition of the new property.

	 * @param aValue       Value of the new property.

	 *

	 * @return  New property.

	 */

	IMPORT_C CMdEProperty& AddTimePropertyL(CMdEPropertyDef& aDef, TTime aValue);

	/**

	 * Removes the property at the specified index.

	 *

	 * @param aIndex  index

	 */

	IMPORT_C void RemoveProperty(TInt aIndex);

	/* Methods for accessing free text keywords. */

	/**