Add ModemManager provider
This commit is contained in:
Bob Ham
332
src/calls-mm-provider.c
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332
src/calls-mm-provider.c
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/*
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* Copyright (C) 2018 Purism SPC
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*
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* This file is part of Calls.
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*
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* Calls is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Calls is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Calls. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Bob Ham <bob.ham@puri.sm>
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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*/
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#include "calls-mm-provider.h"
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#include "calls-provider.h"
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#include "calls-mm-origin.h"
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#include "calls-message-source.h"
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#include "calls-origin.h"
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#include <libmm-glib.h>
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#include <glib/gi18n.h>
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struct _CallsMMProvider
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{
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GObject parent_instance;
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/** D-Bus connection */
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GDBusConnection *connection;
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/** ModemManager object proxy */
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MMManager *mm;
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/** Map of D-Bus object paths to origins */
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GHashTable *origins;
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};
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static void calls_mm_provider_message_source_interface_init (CallsProviderInterface *iface);
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static void calls_mm_provider_provider_interface_init (CallsProviderInterface *iface);
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G_DEFINE_TYPE_WITH_CODE (CallsMMProvider, calls_mm_provider, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (CALLS_TYPE_MESSAGE_SOURCE,
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calls_mm_provider_message_source_interface_init)
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G_IMPLEMENT_INTERFACE (CALLS_TYPE_PROVIDER,
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calls_mm_provider_provider_interface_init))
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enum {
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PROP_0,
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PROP_CONNECTION,
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PROP_LAST_PROP,
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};
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static GParamSpec *props[PROP_LAST_PROP];
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static const gchar *
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get_name (CallsProvider *iface)
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{
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return "ModemManager";
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}
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static GList *
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get_origins (CallsProvider *iface)
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{
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CallsMMProvider *self = CALLS_MM_PROVIDER (iface);
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return g_hash_table_get_values (self->origins);
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}
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static void
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add_origin (CallsMMProvider *self,
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GDBusObject *object)
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{
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MMObject *mm_obj;
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CallsMMOrigin *origin;
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g_debug ("Adding new voice-cable modem `%s'",
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g_dbus_object_get_object_path (object));
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g_assert (MM_IS_OBJECT (object));
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mm_obj = MM_OBJECT (object);
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origin = calls_mm_origin_new (mm_obj);
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g_hash_table_insert (self->origins,
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mm_object_dup_path (mm_obj),
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origin);
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g_signal_emit_by_name (CALLS_PROVIDER (self),
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"origin-added", origin);
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}
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static void
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interface_added_cb (CallsMMProvider *self,
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GDBusObject *object,
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GDBusInterface *interface)
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{
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GDBusInterfaceInfo *info;
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info = g_dbus_interface_get_info (interface);
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if (g_strcmp0 (info->name,
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"org.freedesktop.ModemManager1.Modem.Voice") == 0)
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{
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add_origin (self, object);
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}
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}
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static void
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remove_origin (CallsMMProvider *self,
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GDBusObject *object)
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{
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const gchar *path;
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gpointer *origin;
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path = g_dbus_object_get_object_path (object);
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origin = g_hash_table_lookup (self->origins, path);
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g_assert (origin != NULL && CALLS_IS_ORIGIN (origin));
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g_signal_emit_by_name (CALLS_PROVIDER (self),
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"origin-removed", CALLS_ORIGIN (origin));
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g_hash_table_remove (self->origins, path);
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}
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static void
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interface_removed_cb (CallsMMProvider *self,
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GDBusObject *object,
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GDBusInterface *interface)
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{
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GDBusInterfaceInfo *info;
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info = g_dbus_interface_get_info (interface);
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if (g_strcmp0 (info->name,
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"org.freedesktop.ModemManager1.Modem.Voice") != 0)
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{
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remove_origin (self, object);
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}
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}
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static void
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set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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CallsMMProvider *self = CALLS_MM_PROVIDER (object);
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switch (property_id) {
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case PROP_CONNECTION:
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g_set_object (&self->connection,
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g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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add_mm_object (CallsMMProvider *self, GDBusObject *object)
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{
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GList *ifaces, *node;
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ifaces = g_dbus_object_get_interfaces (object);
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for (node = ifaces; node; node = node->next)
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{
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interface_added_cb (self, object,
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G_DBUS_INTERFACE (node->data));
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}
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g_list_free_full (ifaces, g_object_unref);
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}
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static void
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add_mm_objects (CallsMMProvider *self)
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{
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GList *objects, *node;
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objects = g_dbus_object_manager_get_objects (G_DBUS_OBJECT_MANAGER (self->mm));
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for (node = objects; node; node = node->next)
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{
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add_mm_object (self, G_DBUS_OBJECT (node->data));
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}
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g_list_free_full (objects, g_object_unref);
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}
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static void
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mm_manager_new_cb (GDBusConnection *connection,
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GAsyncResult *res,
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CallsMMProvider *self)
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{
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GError *error = NULL;
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self->mm = mm_manager_new_finish (res, &error);
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if (!self->mm)
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{
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g_error ("Error creating ModemManager Manager: %s",
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error->message);
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g_assert_not_reached();
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}
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g_signal_connect_swapped (self->mm, "interface-added",
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G_CALLBACK (interface_added_cb), self);
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g_signal_connect_swapped (self->mm, "interface-removed",
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G_CALLBACK (interface_removed_cb), self);
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add_mm_objects (self);
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if (g_hash_table_size (self->origins) == 0)
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{
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g_warning ("No modems available");
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CALLS_EMIT_MESSAGE (self, "No modems available",
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GTK_MESSAGE_WARNING);
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}
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}
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static void
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constructed (GObject *object)
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{
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GObjectClass *parent_class = g_type_class_peek (G_TYPE_OBJECT);
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CallsMMProvider *self = CALLS_MM_PROVIDER (object);
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mm_manager_new (self->connection,
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G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_NONE,
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NULL,
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(GAsyncReadyCallback) mm_manager_new_cb,
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self);
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parent_class->constructed (object);
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}
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static void
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dispose (GObject *object)
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{
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GObjectClass *parent_class = g_type_class_peek (G_TYPE_OBJECT);
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CallsMMProvider *self = CALLS_MM_PROVIDER (object);
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g_hash_table_remove_all (self->origins);
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g_clear_object (&self->mm);
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g_clear_object (&self->connection);
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parent_class->dispose (object);
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}
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static void
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finalize (GObject *object)
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{
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GObjectClass *parent_class = g_type_class_peek (G_TYPE_OBJECT);
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CallsMMProvider *self = CALLS_MM_PROVIDER (object);
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g_hash_table_unref (self->origins);
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parent_class->finalize (object);
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}
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static void
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calls_mm_provider_class_init (CallsMMProviderClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->set_property = set_property;
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object_class->constructed = constructed;
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object_class->dispose = dispose;
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object_class->finalize = finalize;
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props[PROP_CONNECTION] =
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g_param_spec_object ("connection",
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_("Connection"),
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_("The D-Bus connection to use for communication with ModemManager"),
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G_TYPE_DBUS_CONNECTION,
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G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY);
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g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
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}
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static void
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calls_mm_provider_message_source_interface_init (CallsProviderInterface *iface)
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{
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}
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static void
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calls_mm_provider_provider_interface_init (CallsProviderInterface *iface)
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{
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iface->get_name = get_name;
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iface->get_origins = get_origins;
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}
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static void
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calls_mm_provider_init (CallsMMProvider *self)
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{
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self->origins = g_hash_table_new_full (g_str_hash, g_str_equal,
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g_free, g_object_unref);
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}
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CallsMMProvider *
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calls_mm_provider_new (GDBusConnection *connection)
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{
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g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
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return g_object_new (CALLS_TYPE_MM_PROVIDER,
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"connection", connection,
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NULL);
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}
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