TFilterConfigurationIterator Class Reference

class TFilterConfigurationIterator

This class can only be created and destroyed by the session. It is supplied to the client, if the client wishes to configure the filter that are installed or install filters that must be installed explicitly. The API of the class allows the client to navigate, install, uninstall and query the filter list. The filters visible in this list are only the implicit and explicit filters declared as plugins. This iterator MUST be initialised using the First() method and the return error code checked before any other operations are called.

Constructor & Destructor Documentation

TFilterConfigurationIterator(CHTTPSession *)

TFilterConfigurationIterator ( CHTTPSession * aSession ) [private]

Parameters

CHTTPSession * aSession

~TFilterConfigurationIterator()

~TFilterConfigurationIterator ( ) [private]

Member Functions Documentation

AtEnd()

IMPORT_C TBool AtEnd ( )
Intended Usage: This method indicates whether the current filter is the last filter in the list. This method will panic if the iterator has not been initialised using the First() method.
Pre-condition
The iterator has been initialised using the First() method

AtStart()

IMPORT_C TBool AtStart ( )
Intended Usage: This method indicates whether the current filter is the first filter in the list. This method will panic if the iterator has not been initialised using the First() method.
Pre-condition
The iterator has been initialised using the First() method

CurrentFilterInformation()

IMPORT_C const TFilterInformation CurrentFilterInformation ( ) const
Intended Usage: This method will return the information of the current filter. The information is provided in a TFilterInformation structure containing the following information: 1) Display name 2) Data type 3) Version 4) UID 5) Category 6) Install status This method will panic if the iterator has not been initialised using the First() method
Pre-condition
The iterator has been initialised using the First() method
TFilterInformation

FindByDataType(const TDesC8 &)

IMPORT_C TInt FindByDataType ( const TDesC8 & aDataType )
Intended Usage: This method find the first filter in the list that has a matching data type that is passed in. The method will set the current filter to the filter that matches the data type or if not found the current filter will not change. This method will always begin its search from the beginning of the list.
Pre-condition
Object is constructed
Post-condition
The current filter is set to the filter that matches the data type

Parameters

const TDesC8 & aDataType An 8-bit descriptor containing the data type to match the filter plug-in with

First()

IMPORT_C TInt First ( )
Intended Usage: This method sets the current filter to the first filter in the list. This method must be used initially to set the current filter and the returned error code must be noted prior to using any of the methods that query or modify the current filter.
Pre-condition
Object is constructed
Post-condition
Current filter is set to the first filter in the list

InstallCurrentFilter()

IMPORT_C TInt InstallCurrentFilter ( ) const
Intended Usage: This method will install the current filter. This method will panic if a current filter is not set.
Pre-condition
A current filter has been set and is not already installed
Post-condition
The filter is installed

Next()

IMPORT_C TInt Next ( )
Intended Usage: This method sets the current filter to the next filter in the list.
Pre-condition
Object is constructed
Post-condition
Current filter is set to the next filter in the list

UninstallCurrentFilter()

IMPORT_C TInt UninstallCurrentFilter ( ) const
Intended Usage: This method will uninstall the current filter. This method will panic if a current filter is not set.
Pre-condition
A current filter has been set and has already been installed
Post-condition
The filter is uninstalled

Member Data Documentation

TInt iCurrentFilterIndex

TInt iCurrentFilterIndex [private]

TInt iFilterCount

TInt iFilterCount [private]

RPointerArray< TSessionFilterInfo > & iFilterInfoList

RPointerArray < TSessionFilterInfo > & iFilterInfoList [private]

CHTTPSession * iSession

CHTTPSession * iSession [private]