Called as a result of a cancellation request by the CContactDatabase class.

Complete the client's request status with the specified error value (KErrNone by default).

Idle object callback which performs appropriate action based on internal state machine.

Read a single contact.

if we have an observer, then we report progress as the sort is performed (in reality we actually only report progress during the read stage, not the sort itself).

Initialise values to defaults.

Callback function for idle object.

This function is called once the reading from the database is complete. It replaces the contact database's sorted list (takes ownership of iFinalItems).

Prepare and begin the sort.

Sort with observer.