/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*

  Interface for importing address books using the standard UI.  Address
  book import occurs in several forms (yuck!).
  The destination can be 1..n new address books corresponding to the source
  format.  For instance a text file would import into a new address book
  with the same name as the text file, Eudora may import multiple address books
  with the same names as the ones in Eudora.
  The destination can be 1 pre-defined address book, all entries will be
  added to the supplied address book - this allows the address book UI so provide
  an import command specific for an individual address book.

  The source can import 1 or mulitple address books.
  The address books can be auto-discoverable or user specified.
  The address books can require field mapping or not.

  All of this is rather complicated but it should work out OK.
  1) The first UI
  panel will allow selection of the address book and will indicate to the user
  if the address book will be imported into an existing address book or new address
  books.  (This could be 2 separate xul UI's?).
  2) The second panel will show field mapping if it is required - if it is required then
  there will be one panel per address book for formats that support multiple
  address books.  If it is not required then there will be no second panel.
  3) Show the progress dialog for the import - this could be per address book if
  mapping is required? what to do, what to doooooo.....
  4) All done, maybe a what was done panel??
*/

#include "nsISupports.idl"

interface   nsIFile;
interface   nsISupportsArray;
interface  nsIImportABDescriptor;
interface  nsIOutputStream;
interface  nsIAddrDatabase;
interface  nsIImportFieldMap;

[scriptable, uuid(d64a87ba-f87b-6378-5ed1-4025a7474334)]
interface nsIImportAddressBooks : nsISupports
{

  /*
    Does this interface supports 1 or 1..n address books.  You only
    get to choose 1 location so for formats where 1..n address books
    are imported from a directory, then return true.  For a 1 to 1 relationship
    between location and address books return false.
  */
  boolean GetSupportsMultiple();

  /*
    If the address book is not found via a file location.then return true
    along with a description string of how or where the address book is
    located.  If it is a file location then return false.
    If true, return a string like: "Outlook Express standard address book,
    also known as the Windows address book" or just "Outlook Express address book".
    If false, GetDefaultLocation will be called.
  */

  boolean GetAutoFind( out wstring description);

  /*
    Returns true if the address book needs the user to specify a field map
    for address books imported from this format.
  */
  boolean GetNeedsFieldMap( in nsIFile location);

  /*
    If found and userVerify BOTH return false, then it is assumed that this
    means an error - address book cannot be found on this machine.
    If userVerify is true, the user will have an opportunity to specify
    a different location to import address book from.
  */
  void   GetDefaultLocation( out nsIFile location,
                out boolean  found,
                out boolean  userVerify);
  /*
    Returns an nsISupportsArray which contains an nsIImportABDescriptor for each
    address book.  The array is not sorted before display to the user.
    location is null if GetAutoFind returned true.
  */
  nsISupportsArray FindAddressBooks( in nsIFile location);

  /*
    Fill in defaults (if any) for a field map for importing address
    books from this location.
  */
  void InitFieldMap(in nsIImportFieldMap fieldMap);

  /**
   * Import a specific address book into the destination file supplied.
   * If an error occurs that is non-fatal, the destination will be deleted and
   * other adress book will be imported.  If a fatal error occurs, the
   * destination will be deleted and the import operation will abort.
   *
   * @param aSource         The source data for the import.
   * @param aDestination    The proxy database for the destination of the
   *                        import.
   * @param aFieldMap       The field map containing the mapping of fields to be
   *                        used in cvs and tab type imports.
   * @param aSupportService An optional proxy support service (nsnull is
   *                        acceptable if it is not required), may be required
   *                        for certain import types (e.g. nsIAbLDIFService for
   *                        LDIF import).
   * @param aErrorLog       The error log from the import.
   * @param aSuccessLog     The success log from the import.
   * @param aFatalError     True if there was a fatal error doing the import.
   */
  void ImportAddressBook(in nsIImportABDescriptor aSource,
                         in nsIAddrDatabase aDestination,
                         in nsIImportFieldMap aFieldMap,
                         in nsISupports aSupportService,
                         out wstring aErrorLog,
                         out wstring aSuccessLog,
                         out boolean aFatalError);

  /*
    Return the amount of the address book that has been imported so far.  This number
    is used to present progress information and must never be larger than the
    size specified in nsIImportABDescriptor.GetSize();  May be called from
    a different thread than ImportAddressBook()
  */
  unsigned long GetImportProgress();

  /*
    Set the location for reading sample data, this should be the same
    as what is passed later to FindAddressBooks
  */
  void  SetSampleLocation( in nsIFile location);

  /*
    Return a string of sample data for a record, each field
    is separated by a newline (which means no newlines in the fields!)
    This is only supported by address books which use field maps and
    is used by the field map UI to allow the user to properly
    align fields to be imported.
  */
  wstring GetSampleData( in long recordNumber, out boolean recordExists);

};



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