enum EDSContactsStorageItemIterator::eFetchContacts EDSContactsStorageItemIterator::fetchContacts(int fetchsize)
{
GError * gerror = NULL;
FREE_CONTACTS(contacts);
LOG_VERBOSE() << "Cursor Position: " << e_book_client_cursor_get_position(cursor)<<std::endl;
if (e_book_client_cursor_get_position(cursor) > total){
FREE_CONTACTS(contacts);
return eFetchContactsEND;
}
int num = e_book_client_cursor_step_sync(cursor,
E_BOOK_CURSOR_STEP_FETCH ,
E_BOOK_CURSOR_ORIGIN_CURRENT,
fetchsize, &contacts, NULL, &gerror);
if (-1 == num){
LOG_ERROR() << "Error e_book_client_cursor_step_sync results: " << GERROR_MESSAGE(gerror)<<std::endl ;
GERROR_FREE(gerror);
FREE_CONTACTS(contacts);
return eFetchContactsFail;
}
if (0 == num){
GERROR_FREE(gerror);
FREE_CONTACTS(contacts);
return eFetchContactsEND;
}
GERROR_FREE(gerror);
e_book_client_cursor_step_sync(cursor,
E_BOOK_CURSOR_STEP_MOVE,
E_BOOK_CURSOR_ORIGIN_CURRENT,
fetchsize, NULL, NULL,
&gerror);
if (NULL != gerror){
LOG_ERROR() << "Error e_book_client_cursor_step_sync results: " << GERROR_MESSAGE(gerror) <<std::endl;
GERROR_FREE(gerror);
FREE_CONTACTS(contacts);
return eFetchContactsFail;
}
GERROR_FREE(gerror);
return eFetchContactsOK;
}
static gboolean
cursor_example_move_cursor (CursorExample *example,
EBookCursorOrigin origin,
gint count)
{
CursorExamplePrivate *priv = example->priv;
GError *error = NULL;
gint n_results;
n_results = e_book_client_cursor_step_sync (
priv->cursor,
E_BOOK_CURSOR_STEP_MOVE,
origin,
count,
NULL, /* Result list */
NULL, /* GCancellable */
&error);
if (n_results < 0) {
if (g_error_matches (error,
E_CLIENT_ERROR,
E_CLIENT_ERROR_OUT_OF_SYNC)) {
/* The addressbook has very recently been modified,
* very soon we will receive a "refresh" signal and
* automatically reload the current page position.
*/
d (g_print ("Cursor was temporarily out of sync while moving\n"));
} else if (g_error_matches (error,
E_CLIENT_ERROR,
E_CLIENT_ERROR_QUERY_REFUSED)) {
d (g_print ("End of list was reached\n"));
} else
g_warning ("Failed to move the cursor: %s", error->message);
g_clear_error (&error);
}
return n_results >= 0;
}
/* Loads a page at the current cursor position, returns
* FALSE if there was an error.
*/
static gboolean
cursor_example_load_page (CursorExample *example,
gboolean *full_results)
{
CursorExamplePrivate *priv = example->priv;
GError *error = NULL;
GSList *results = NULL;
gint n_results;
/* Fetch N_SLOTS contacts after the current cursor position,
* without modifying the current cursor position
*/
n_results = e_book_client_cursor_step_sync (
priv->cursor,
E_BOOK_CURSOR_STEP_FETCH,
E_BOOK_CURSOR_ORIGIN_CURRENT,
N_SLOTS,
&results,
NULL, /* GCancellable */
&error);
if (n_results < 0) {
if (g_error_matches (error,
E_CLIENT_ERROR,
E_CLIENT_ERROR_OUT_OF_SYNC)) {
/* The addressbook has very recently been modified,
* very soon we will receive a "refresh" signal and
* automatically reload the current page position.
*/
d (g_print ("Cursor was temporarily out of sync while loading page\n"));
} else if (g_error_matches (error,
E_CLIENT_ERROR,
E_CLIENT_ERROR_QUERY_REFUSED)) {
d (g_print ("End of list was reached\n"));
} else
g_warning ("Failed to move the cursor: %s", error->message);
g_clear_error (&error);
} else {
/* Display the results */
EContact *contact;
gint i;
/* Fill the page with results for the current cursor position
*/
for (i = 0; i < N_SLOTS; i++) {
contact = g_slist_nth_data (results, i);
/* For the first contact, give some visual feedback about where we
* are in the list, which alphabet character we're browsing right now.
*/
if (i == 0 && contact)
cursor_example_update_current_index (example, contact);
cursor_slot_set_from_contact (CURSOR_SLOT (priv->slots[i]), contact);
}
}
if (full_results)
*full_results = (n_results == N_SLOTS);
g_slist_free_full (results, (GDestroyNotify) g_object_unref);
return n_results >= 0;
}
