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-rw-r--r--addressbook/ChangeLog9
-rw-r--r--addressbook/backend/ebook/e-book-types.h6
-rw-r--r--addressbook/backend/ebook/e-book.c154
-rw-r--r--addressbook/backend/ebook/e-book.h11
4 files changed, 180 insertions, 0 deletions
diff --git a/addressbook/ChangeLog b/addressbook/ChangeLog
index 82f54b0458..bb0955bc0b 100644
--- a/addressbook/ChangeLog
+++ b/addressbook/ChangeLog
@@ -1,3 +1,12 @@
+2001-03-11 Jon Trowbridge <trow@ximian.com>
+
+ * backend/ebook/e-book.c (e_book_simple_query): Added. A
+ simplified, cancellable query mechanism that lets you avoid
+ dealing with EBookView.
+ (e_book_simple_query_cancel): Added. Cancels a running query.
+
+ * backend/ebook/e-book-types.h: Add enum EBookSimpleQueryStatus.
+
2001-03-08 Jon Trowbridge <trow@ximian.com>
* gui/component/select-names/e-select-names-popup.c
diff --git a/addressbook/backend/ebook/e-book-types.h b/addressbook/backend/ebook/e-book-types.h
index a3e8bbc032..2ce1956080 100644
--- a/addressbook/backend/ebook/e-book-types.h
+++ b/addressbook/backend/ebook/e-book-types.h
@@ -26,6 +26,12 @@ typedef enum {
E_BOOK_STATUS_OTHER_ERROR
} EBookStatus;
+typedef enum {
+ E_BOOK_SIMPLE_QUERY_STATUS_SUCCESS,
+ E_BOOK_SIMPLE_QUERY_STATUS_CANCELLED,
+ E_BOOK_SIMPLE_QUERY_STATUS_OTHER_ERROR
+} EBookSimpleQueryStatus;
+
END_GNOME_DECLS
#endif /* ! __E_BOOK_TYPES_H__ */
diff --git a/addressbook/backend/ebook/e-book.c b/addressbook/backend/ebook/e-book.c
index 1401498d2d..e0b62c48d1 100644
--- a/addressbook/backend/ebook/e-book.c
+++ b/addressbook/backend/ebook/e-book.c
@@ -44,6 +44,9 @@ struct _EBookPrivate {
* the op structures are popped off the front of the queue.
*/
GList *pending_ops;
+
+ guint sq_tag;
+ GList *sq_pending;
};
enum {
@@ -1116,6 +1119,157 @@ e_book_get_changes (EBook *book,
return TRUE;
}
+/*
+ *
+ * Simple Query Stuff
+ *
+ */
+
+typedef struct _SimpleQueryInfo SimpleQueryInfo;
+struct _SimpleQueryInfo {
+ guint tag;
+ EBook *book;
+ gchar *query;
+ EBookSimpleQueryCallback cb;
+ gpointer closure;
+ EBookView *view;
+ guint add_tag;
+ guint seq_complete_tag;
+ GList *cards;
+};
+
+static SimpleQueryInfo *
+simple_query_new (EBook *book, char *query, EBookSimpleQueryCallback cb, gpointer closure)
+{
+ SimpleQueryInfo *sq = g_new0 (SimpleQueryInfo, 1);
+
+ sq->tag = ++book->priv->sq_tag;
+ sq->book = book;
+ gtk_object_ref (GTK_OBJECT (book));
+ sq->query = g_strdup_printf (query);
+ sq->cb = cb;
+ sq->closure = closure;
+
+ /* Automatically add ourselves to the EBook's pending list. */
+ book->priv->sq_pending = g_list_prepend (book->priv->sq_pending, sq);
+
+ return sq;
+}
+
+static void
+simple_query_free (SimpleQueryInfo *sq)
+{
+ GList *i;
+ gboolean found = FALSE;
+
+ /* Find & remove ourselves from the EBook's pending list. */
+ for (i = sq->book->priv->sq_pending; i != NULL; i = g_list_next (i)) {
+ if (i->data == sq) {
+ sq->book->priv->sq_pending = g_list_remove_link (sq->book->priv->sq_pending, i);
+ g_list_free_1 (i);
+ i = NULL;
+ found = TRUE;
+ } else
+ i = g_list_next (i);
+ }
+
+ g_assert (found);
+
+ g_free (sq->query);
+
+ if (sq->add_tag)
+ gtk_signal_disconnect (GTK_OBJECT (sq->view), sq->add_tag);
+ if (sq->seq_complete_tag)
+ gtk_signal_disconnect (GTK_OBJECT (sq->view), sq->seq_complete_tag);
+
+ if (sq->view)
+ gtk_object_unref (GTK_OBJECT (sq->view));
+
+ if (sq->book)
+ gtk_object_unref (GTK_OBJECT (sq->book));
+
+ g_list_foreach (sq->cards, (GFunc) gtk_object_unref, NULL);
+ g_list_free (sq->cards);
+
+ g_free (sq);
+}
+
+static void
+simple_query_card_added_cb (EBookView *view, const GList *cards, gpointer closure)
+{
+ SimpleQueryInfo *sq = closure;
+
+ sq->cards = g_list_concat (sq->cards, g_list_copy ((GList *) cards));
+ g_list_foreach ((GList *) cards, (GFunc) gtk_object_ref, NULL);
+}
+
+static void
+simple_query_sequence_complete_cb (EBookView *view, gpointer closure)
+{
+ SimpleQueryInfo *sq = closure;
+
+ sq->cb (sq->book, E_BOOK_SIMPLE_QUERY_STATUS_SUCCESS, sq->cards, sq->closure);
+ simple_query_free (sq);
+}
+
+static void
+simple_query_book_view_cb (EBook *book, EBookStatus status, EBookView *book_view, gpointer closure)
+{
+ SimpleQueryInfo *sq = closure;
+
+ if (status != E_BOOK_STATUS_SUCCESS) {
+ sq->cb (sq->book, E_BOOK_SIMPLE_QUERY_STATUS_OTHER_ERROR, NULL, sq->closure);
+ simple_query_free (sq);
+ return;
+ }
+
+ sq->view = book_view;
+ gtk_object_ref (GTK_OBJECT (book_view));
+
+ sq->add_tag = gtk_signal_connect (GTK_OBJECT (sq->view),
+ "card_added",
+ GTK_SIGNAL_FUNC (simple_query_card_added_cb),
+ sq);
+ sq->seq_complete_tag = gtk_signal_connect (GTK_OBJECT (sq->view),
+ "sequence_complete",
+ GTK_SIGNAL_FUNC (simple_query_sequence_complete_cb),
+ sq);
+}
+
+guint
+e_book_simple_query (EBook *book, char *query, EBookSimpleQueryCallback cb, gpointer closure)
+{
+ SimpleQueryInfo *sq;
+
+ g_return_val_if_fail (book && E_IS_BOOK (book), 0);
+ g_return_val_if_fail (query, 0);
+ g_return_val_if_fail (cb, 0);
+
+ sq = simple_query_new (book, query, cb, closure);
+ e_book_get_book_view (book, query, simple_query_book_view_cb, sq);
+
+ return sq->tag;
+}
+
+void
+e_book_simple_query_cancel (EBook *book, guint tag)
+{
+ GList *i;
+
+ g_return_if_fail (book && E_IS_BOOK (book));
+
+ for (i=book->priv->sq_pending; i != NULL; i=g_list_next (i)) {
+ SimpleQueryInfo *sq = i->data;
+
+ if (sq->tag == tag) {
+ sq->cb (sq->book, E_BOOK_SIMPLE_QUERY_STATUS_CANCELLED, NULL, sq->closure);
+ simple_query_free (sq);
+ return;
+ }
+ }
+ g_warning ("Simple query tag %d is unknown", tag);
+}
+
/**
* e_book_get_name:
*/
diff --git a/addressbook/backend/ebook/e-book.h b/addressbook/backend/ebook/e-book.h
index d992f63471..2521edb24f 100644
--- a/addressbook/backend/ebook/e-book.h
+++ b/addressbook/backend/ebook/e-book.h
@@ -50,6 +50,8 @@ typedef void (*EBookCursorCallback) (EBook *book, EBookStatus status, ECardCurso
typedef void (*EBookBookViewCallback) (EBook *book, EBookStatus status, EBookView *book_view, gpointer closure);
typedef void (*EBookFieldsCallback) (EBook *book, EBookStatus status, EList *fields, gpointer closure);
+typedef void (*EBookSimpleQueryCallback) (EBook *book, EBookSimpleQueryStatus status, const GList *cards, gpointer closure);
+
/* Creating a new addressbook. */
EBook *e_book_new (void);
@@ -131,6 +133,15 @@ gboolean e_book_get_changes (EBook *book,
EBookBookViewCallback cb,
gpointer closure);
+/* Simple Query Interface. */
+
+guint e_book_simple_query (EBook *book,
+ char *query,
+ EBookSimpleQueryCallback cb,
+ gpointer closure);
+void e_book_simple_query_cancel (EBook *book,
+ guint tag);
+
/* Getting the name of the repository. */
char *e_book_get_name (EBook *book);
generated by cgit (git 2.34.1) at 2024-11-16 23:26:32 +0800