api: Add Cell Broadcast support

Add access to the modem's CellBroadcast interface and to fetch
Cell Broadcast messages.

Closes: https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues/253
Signed-off-by: Guido Günther <agx@sigxcpu.org>

1 files changed, 80 insertions, 0 deletions

diff --git a/libmm-glib/mm-cbm.h b/libmm-glib/mm-cbm.h
new file mode 100644
index 00000000..eb6c2ecf
--- /dev/null
+++ b/libmm-glib/mm-cbm.h
@@ -0,0 +1,80 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * libmm-glib -- Access modem status & information from glib applications
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ * Copyright (C) 2024 Guido Günther <agx@sigxcpu.org>
+ */
+
+#ifndef _MM_CBM_H_
+#define _MM_CBM_H_
+
+#if !defined (__LIBMM_GLIB_H_INSIDE__) && !defined (LIBMM_GLIB_COMPILATION)
+#error "Only <libmm-glib.h> can be included directly."
+#endif
+
+#include <ModemManager.h>
+
+#include "mm-gdbus-cbm.h"
+
+G_BEGIN_DECLS
+
+#define MM_TYPE_CBM            (mm_cbm_get_type ())
+#define MM_CBM(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), MM_TYPE_CBM, MMCbm))
+#define MM_CBM_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), MM_TYPE_CBM, MMCbmClass))
+#define MM_IS_CBM(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MM_TYPE_CBM))
+#define MM_IS_CBM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), MM_TYPE_CBM))
+#define MM_CBM_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), MM_TYPE_CBM, MMCbmClass))
+
+typedef struct _MMCbm MMCbm;
+typedef struct _MMCbmClass MMCbmClass;
+
+/**
+ * MMCbm:
+ *
+ * The #MMCbm structure contains private data and should only be accessed
+ * using the provided API.
+ */
+struct _MMCbm {
+    /*< private >*/
+    MmGdbusCbmProxy parent;
+    gpointer unused;
+};
+
+struct _MMCbmClass {
+    /*< private >*/
+    MmGdbusCbmProxyClass parent;
+};
+
+GType mm_cbm_get_type (void);
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMCbm, g_object_unref)
+
+const gchar  *mm_cbm_get_path                    (MMCbm *self);
+gchar        *mm_cbm_dup_path                    (MMCbm *self);
+
+const gchar  *mm_cbm_get_text                    (MMCbm *self);
+gchar        *mm_cbm_dup_text                    (MMCbm *self);
+
+MMCbmState    mm_cbm_get_state                   (MMCbm *self);
+
+guint         mm_cbm_get_channel                 (MMCbm *self);
+guint         mm_cbm_get_message_code            (MMCbm *self);
+guint         mm_cbm_get_update                  (MMCbm *self);
+
+G_END_DECLS
+
+#endif /* _MM_CBM_H_ */