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460c0c6c3d
This is an initial, static implementation of plugins. The CallsApplication has a plugin name which can be changed with a new --provider command line option. This plugin name is used to instantiate the appropriate plugin when the application is activated. From then on, the plugin cannot change. In future, we can expand this support to include loading multiple plugins at once, configurable through some UI. This will have far-reaching implications though, and complicate things like enumerating the provider hierarchy. There is also no practical benefit right now; the mm and ofono plugins can't be used at the same time because ModemManager and oFono don't play nice together, and the whole raison d'être of the dummy plugin is undermined if you can make use of one of the others. So for now, we just implement one static plugin.
478 lines
11 KiB
C
478 lines
11 KiB
C
/*
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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 <libpeas/peas.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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/* The status property */
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gchar *status;
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/** ID for the D-Bus watch */
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guint watch_id;
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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_DYNAMIC_TYPE_EXTENDED
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(CallsMMProvider, calls_mm_provider, G_TYPE_OBJECT, 0,
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G_IMPLEMENT_INTERFACE_DYNAMIC (CALLS_TYPE_MESSAGE_SOURCE,
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calls_mm_provider_message_source_interface_init)
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G_IMPLEMENT_INTERFACE_DYNAMIC (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_STATUS,
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PROP_LAST_PROP,
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};
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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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set_status (CallsMMProvider *self,
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const gchar *new_status)
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{
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if (strcmp (self->status, new_status) == 0)
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{
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return;
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}
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g_free (self->status);
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self->status = g_strdup (new_status);
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g_object_notify (G_OBJECT (self), "status");
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}
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static void
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update_status (CallsMMProvider *self)
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{
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const gchar *s;
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if (!self->mm)
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{
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s = _("ModemManager unavailable");
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}
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else if (g_hash_table_size (self->origins) == 0)
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{
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s = _("No voice-capable modem available");
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}
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else
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{
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s = _("Normal");
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}
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set_status (self, s);
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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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const gchar *path;
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path = g_dbus_object_get_object_path (object);
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if (g_hash_table_contains (self->origins, path))
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{
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g_warning ("New voice interface on existing"
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" origin with path `%s'", path);
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return;
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}
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g_debug ("Adding new voice-capable modem `%s'",
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path);
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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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update_status (self);
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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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g_debug ("ModemManager interface `%s' found on object `%s'",
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info->name,
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g_dbus_object_get_object_path (object));
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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_modem_object (CallsMMProvider *self,
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const gchar *path,
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GDBusObject *object)
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{
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gpointer *origin;
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origin = g_hash_table_lookup (self->origins, path);
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if (!origin)
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{
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return;
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}
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g_assert (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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update_status (self);
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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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const gchar *path;
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GDBusInterfaceInfo *info;
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path = g_dbus_object_get_object_path (object);
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info = g_dbus_interface_get_info (interface);
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g_debug ("ModemManager interface `%s' removed on object `%s'",
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info->name, path);
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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_modem_object (self, path, object);
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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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void
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object_added_cb (CallsMMProvider *self,
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GDBusObject *object)
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{
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g_debug ("ModemManager object `%s' added",
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g_dbus_object_get_object_path (object));
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add_mm_object (self, object);
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}
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void
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object_removed_cb (CallsMMProvider *self,
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GDBusObject *object)
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{
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const gchar *path;
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path = g_dbus_object_get_object_path (object);
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g_debug ("ModemManager object `%s' removed", path);
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remove_modem_object (self, path, object);
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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 (G_DBUS_OBJECT_MANAGER (self->mm),
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"interface-added",
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G_CALLBACK (interface_added_cb), self);
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g_signal_connect_swapped (G_DBUS_OBJECT_MANAGER (self->mm),
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"interface-removed",
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G_CALLBACK (interface_removed_cb), self);
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g_signal_connect_swapped (G_DBUS_OBJECT_MANAGER (self->mm),
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"object-added",
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G_CALLBACK (object_added_cb), self);
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g_signal_connect_swapped (G_DBUS_OBJECT_MANAGER (self->mm),
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"object-removed",
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G_CALLBACK (object_removed_cb), self);
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update_status (self);
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add_mm_objects (self);
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}
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static void
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mm_appeared_cb (GDBusConnection *connection,
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const gchar *name,
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const gchar *name_owner,
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CallsMMProvider *self)
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{
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g_debug ("ModemManager appeared on D-Bus");
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mm_manager_new (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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}
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static gboolean
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remove_origins_cb (const gchar *path,
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CallsMMOrigin *origin,
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CallsMMProvider *self)
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{
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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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return TRUE;
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}
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static void
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clear_dbus (CallsMMProvider *self)
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{
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g_hash_table_foreach_remove (self->origins,
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(GHRFunc)remove_origins_cb,
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self);
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g_clear_object (&self->mm);
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}
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void
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mm_vanished_cb (GDBusConnection *connection,
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const gchar *name,
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CallsMMProvider *self)
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{
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g_debug ("ModemManager vanished from D-Bus");
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clear_dbus (self);
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update_status (self);
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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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self->watch_id =
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g_bus_watch_name (G_BUS_TYPE_SYSTEM,
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MM_DBUS_SERVICE,
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G_BUS_NAME_WATCHER_FLAGS_AUTO_START,
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(GBusNameAppearedCallback)mm_appeared_cb,
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(GBusNameVanishedCallback)mm_vanished_cb,
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self, NULL);
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g_debug ("Watching for ModemManager");
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parent_class->constructed (object);
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}
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static void
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get_property (GObject *object,
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guint property_id,
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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_STATUS:
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g_value_set_string (value, self->status);
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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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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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if (self->watch_id)
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{
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g_bus_unwatch_name (self->watch_id);
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self->watch_id = 0;
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}
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clear_dbus (self);
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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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g_free (self->status);
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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->constructed = constructed;
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object_class->get_property = get_property;
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object_class->dispose = dispose;
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object_class->finalize = finalize;
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g_object_class_override_property (object_class, PROP_STATUS, "status");
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}
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static void
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calls_mm_provider_class_finalize (CallsMMProviderClass *klass)
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{
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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->status = g_strdup (_("Initialised"));
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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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G_MODULE_EXPORT void
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peas_register_types (PeasObjectModule *module)
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{
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calls_mm_provider_register_type (G_TYPE_MODULE (module));
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peas_object_module_register_extension_type (module,
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CALLS_TYPE_PROVIDER,
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CALLS_TYPE_MM_PROVIDER);
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}
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