/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Concrete class representing session trigger entries.

*

*/

#ifndef LBTSESSIONTRIGGER_H

#define LBTSESSIONTRIGGER_H

#include <lbttriggerentry.h>

#include <lbs.h>

/**

 * Concrete class representing session trigger entries.

 *

 * Session triggers are not stored in persistent

 * storage. They are deleted by Location Triggering Server if the 

 * client application's subsession to the server is closed 

 * or if the client calls RLbt::DeleteTriggerL(). 

 *

 * Client application shall make request to Location

 * Triggering Server to receive session trigger firing event. 

 *

 * @see RLbt

 *

 * @lib lbt.lib

 *

 * @since S60 5.1

 */

class CLbtSessionTrigger : public CLbtTriggerEntry

    {

public:

    /**

     * Allocates and constructs a new session trigger entry.

     *

     * In returned object, default values are set to the

     * attributes of the trigger. The default values are

     *  - Trigger Id is KLbtNullTriggerId.

     *

     *  - Trigger Name is an empty string.

     *

     *  - Trigger State is CLbtTriggerEntry::EStateEnabled.

     *  

     *  - Requestors are not set. 

     *

     *  - Manager UI is not set(KNullUid). 

     *

     *  - Trigger condition is not set.

     *

     *

     * @return Pointer to the new session trigger entry.

     */

    IMPORT_C static CLbtSessionTrigger* NewL();

    /**

     * Allocates and constructs a new session trigger entry. The 

     * constructed object is pushed onto cleanup stack.

     *

     * In returned object, default values are set to the

     * attributes of the trigger. The default values are

     *  - Trigger Id is KLbtNullTriggerId.

     *

     *  - Trigger Name is an empty string.

     *

     *  - Trigger State is CLbtTriggerEntry::EStateEnabled.

     *  

     *  - Requestors are not set. 

     *

     *  - Manager UI is not set(KNullUid). 

     *

     *  - Trigger condition is not set.

     *

     *

     * @return Pointer to the new session trigger entry.

     */

    IMPORT_C static CLbtSessionTrigger* NewLC();

    /**

     * Allocates and constructs a new session trigger entry

     * with specified attribute values.

     *

     * @since S60 5.1

     *

     * @param[in] aName The name of the trigger entry.

     * @param[in] aState The state of trigger entry.

     * @param[in] aRequestorType Identifies the type of requestor, 

     * a service or a contact.

     * @param[in] aRequestorFormat Determines the type of data held in 

     * aRequestorData

     * @param[in] aRequestorData Requestor data. Can be a telephone 

     * number, a URL etc.

     * @param[in] aManagerUi The UID of the manager UI application. 

     * @param[in] aCondition Pointer to the new trigger condition object.

     * This object takes the ownership of aCondition.

     * @return Pointer to the new session trigger entry.

     *

     * @leave KErrArgument If the name of the trigger is longer than

     *   @p KLbtMaxNameLength.

     * @leave Other standard symbian error code, such as KErrNoMemory,

     * KErrGeneral, etc.

     */

    IMPORT_C static CLbtSessionTrigger* NewL( 

        const TDesC& aName,

        TLbtTriggerState aState,

        CRequestor::TRequestorType aRequestorType,

        CRequestor::TRequestorFormat aRequestorFormat,

        const TDesC& aRequestorData,

        TUid aManagerUi,

        CLbtTriggerConditionBase* aCondition );

    /**

     * Allocates and constructs a new session trigger entry

     * with specified attribute values.

     *

     * @param[in] aName The name of the trigger entry.

     * @param[in] aState The state of trigger entry.

     * @param[in] aRequestors The requestor for the service. This

     * object does not take ownership of aRequestors.

     * @param[in] aManagerUi The UID of manager UI application.

     * @param[in] aCondition Pointer to the new trigger condition object.

     * This object takes the ownership of aCondition.

     * @return Pointer to the new session trigger entry.

     *

     * @leave KErrArgument If the name of the trigger is longer than

     *   @p KLbtMaxNameLength.

     * @leave Other standard symbian error code, such as KErrNoMemory,

     * KErrGeneral, etc.

     */

    IMPORT_C static CLbtSessionTrigger* NewL( 

        const TDesC& aName,

        TLbtTriggerState aState,

        const RRequestorStack& aRequestors,

        TUid aManagerUi,

        CLbtTriggerConditionBase* aCondition );

    /**

     * Destructor

     */

    IMPORT_C ~CLbtSessionTrigger();

    /**

     * Get the type of the trigger entry, CLbtTriggerEntry::ESession.

     *

     * @return CLbtTriggerEntry::ESession.

     */

    IMPORT_C TType Type() const;

protected:

    /**

     * Externalize method that subclass must implement.

     * @param[in] aStream Stream to which the object should be externalized.

     */

    virtual void DoExternalizeL(RWriteStream& aStream) const ;

    /**

     * Internalize method that subclass must implement.

     * @param[in] aStream Stream from which the object should be internalized.

     */

    virtual void DoInternalizeL(RReadStream& aStream)  ;

private:

    /**

     * Symbian 2nd phase constructor.

     *

     * @param[in] aName The name of the trigger entry.

     * @param[in] aState The state of trigger entry.

     * @param[in] aRequestorType Identifies the type of requestor, 

     * a service or a contact.

     * @param[in] aRequestorFormat Determines the type of data held in 

     * aRequestorData

     * @param[in] aRequestorData Requestor data. Can be a telephone 

     * number, a URL etc.

     * @param[in] aManagerUi The UID of the manager UI application. 

     * @param[in] aCondition Pointer to the new trigger condition object.

     */

    void ConstructL(const TDesC& aName,TLbtTriggerState aState,

        CRequestor::TRequestorType aRequestorType,

        CRequestor::TRequestorFormat aRequestorFormat,

        const TDesC& aRequestorData,

        TUid aManagerUi,

        CLbtTriggerConditionBase* aCondition);

    /**

     * Symbian 2nd phase constructor.

     *

     * @param[in] aName The name of the trigger entry.

     * @param[in] aState The state of trigger entry.

     * @param[in] aRequestor The requestor for the service. This

     * object does not take ownership of aRequestor.

     * @param[in] aManagerUi The UID of manager UI application.

     * @param[in] aCondition Pointer to the new trigger condition object.    

     */

    void ConstructL(const TDesC& aName,

        CLbtTriggerEntry::TLbtTriggerState aState,

        const RRequestorStack& aRequestors,

        TUid aManagerUi,

        CLbtTriggerConditionBase* aCondition);

   /**

    * Symbian 2nd phase constructor.

    */     

   void ConstructL();         

   /**

    * Default constructor

    */ 

   CLbtSessionTrigger();

   /**

    * By default, prohibit copy constructor

    */

   CLbtSessionTrigger(  CLbtSessionTrigger& aEntry);

   /**

    * Prohibit assigment operator

    */ 

   CLbtSessionTrigger& operator= ( const CLbtSessionTrigger& );

    };

#endif // LBTSESSIONTRIGGER_H