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Purism-Calls/src/calls-manager.c
Evangelos Ribeiro Tzaras 9fc8ec5e1a Implement contact name lookup for call display
* src/calls-manager.h: Add lookup function to header
* src/calls-manager.c: Implement lookup function to be used for the call
  history, call notifier and call display
* src/calls-call-holder.c: Use calls_manager_get_contact_name ()
* src/calls-notifier.c: Use calls_manager_get_contact_name ()
2020-06-27 17:35:54 +02:00

563 lines
15 KiB
C

/*
* Copyright (C) 2020 Purism SPC
*
* This file is part of Calls.
*
* Calls is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Calls 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Calls. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Julian Sparber <julian.sparber@puri.sm>
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "config.h"
#include "calls-manager.h"
#include "calls-contacts.h"
#include "enum-types.h"
#include <glib/gi18n.h>
#include <libpeas/peas.h>
struct _CallsManager
{
GObject parent_instance;
CallsProvider *provider;
gchar *provider_name;
CallsOrigin *default_origin;
CallsManagerState state;
};
G_DEFINE_TYPE (CallsManager, calls_manager, G_TYPE_OBJECT);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (EPhoneNumber, e_phone_number_free)
enum {
PROP_0,
PROP_PROVIDER,
PROP_DEFAULT_ORIGIN,
PROP_STATE,
PROP_LAST_PROP,
};
static GParamSpec *props[PROP_LAST_PROP];
enum {
SIGNAL_ORIGIN_ADD,
SIGNAL_ORIGIN_REMOVE,
SIGNAL_CALL_ADD,
SIGNAL_CALL_REMOVE,
/* TODO: currently this event isn't emitted since the plugins don't give use
* a usable error or error message. */
SIGNAL_ERROR,
SIGNAL_LAST_SIGNAL,
};
static guint signals [SIGNAL_LAST_SIGNAL];
static void
set_state (CallsManager *self, CallsManagerState state)
{
if (self->state == state)
return;
self->state = state;
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_STATE]);
}
static CallsProvider *
load_provider (const gchar* name)
{
g_autoptr (GError) error = NULL;
PeasEngine *plugins;
PeasPluginInfo *info;
PeasExtension *extension;
// Add Calls search path and rescan
plugins = peas_engine_get_default ();
peas_engine_add_search_path (plugins, PLUGIN_LIBDIR, NULL);
g_debug ("Scanning for plugins in `%s'", PLUGIN_LIBDIR);
// Find the plugin
info = peas_engine_get_plugin_info (plugins, name);
if (!info)
{
g_debug ("Could not find plugin `%s'", name);
return NULL;
}
// Possibly load the plugin
if (!peas_plugin_info_is_loaded (info))
{
peas_engine_load_plugin (plugins, info);
if (!peas_plugin_info_is_available (info, &error))
{
g_debug ("Error loading plugin `%s': %s", name, error->message);
return NULL;
}
g_debug ("Loaded plugin `%s'", name);
}
// Check the plugin provides CallsProvider
if (!peas_engine_provides_extension (plugins, info, CALLS_TYPE_PROVIDER))
{
g_debug ("Plugin `%s' does not have a provider extension", name);
return NULL;
}
// Get the extension
extension = peas_engine_create_extensionv (plugins, info, CALLS_TYPE_PROVIDER, 0, NULL);
if (!extension)
{
g_debug ("Could not create provider from plugin `%s'", name);
return NULL;
}
g_debug ("Created provider from plugin `%s'", name);
return CALLS_PROVIDER (extension);
}
static void
add_call (CallsManager *self, CallsCall *call, CallsOrigin *origin)
{
g_return_if_fail (CALLS_IS_MANAGER (self));
g_return_if_fail (CALLS_IS_ORIGIN (origin));
g_return_if_fail (CALLS_IS_CALL (call));
g_signal_emit (self, signals[SIGNAL_CALL_ADD], 0, call, origin);
}
static void
remove_call (CallsManager *self, CallsCall *call, gchar *reason, CallsOrigin *origin)
{
g_return_if_fail (CALLS_IS_MANAGER (self));
g_return_if_fail (CALLS_IS_ORIGIN (origin));
g_return_if_fail (CALLS_IS_CALL (call));
/* We ignore the reason for now, because it doesn't give any usefull information */
g_signal_emit (self, signals[SIGNAL_CALL_REMOVE], 0, call, origin);
}
static void
add_origin (CallsManager *self, CallsOrigin *origin, CallsProvider *provider)
{
g_autoptr (GList) calls = NULL;
GList *c;
g_return_if_fail (CALLS_IS_ORIGIN (origin));
calls = calls_origin_get_calls (origin);
g_signal_connect_swapped (origin, "call-added", G_CALLBACK (add_call), self);
g_signal_connect_swapped (origin, "call-removed", G_CALLBACK (remove_call), self);
for (c = calls; c != NULL; c = c->next)
{
add_call (self, c->data, origin);
}
set_state (self, CALLS_MANAGER_STATE_READY);
g_signal_emit (self, signals[SIGNAL_ORIGIN_ADD], 0, origin);
}
static void
remove_origin (CallsManager *self, CallsOrigin *origin, CallsProvider *provider)
{
g_autoptr (GList) origins = NULL;
g_autoptr (GList) calls = NULL;
GList *c;
g_return_if_fail (CALLS_IS_ORIGIN (origin));
g_signal_handlers_disconnect_by_data (origin, self);
calls = calls_origin_get_calls (origin);
for (c = calls; c != NULL; c = c->next)
{
remove_call (self, c->data, NULL, origin);
}
if (self->default_origin == origin)
calls_manager_set_default_origin (self, NULL);
origins = calls_manager_get_origins (self);
if (origins == NULL)
set_state (self, CALLS_MANAGER_STATE_NO_ORIGIN);
g_signal_emit (self, signals[SIGNAL_ORIGIN_REMOVE], 0, origin);
}
static void
remove_provider (CallsManager *self)
{
PeasEngine *engine = peas_engine_get_default ();
PeasPluginInfo *plugin = peas_engine_get_plugin_info (engine, self->provider_name);
g_autoptr (GList) origins = NULL;
GList *o;
g_debug ("Remove provider: %s", calls_provider_get_name (self->provider));
g_signal_handlers_disconnect_by_data (self->provider, self);
origins = calls_provider_get_origins (self->provider);
for (o = origins; o != NULL; o = o->next)
{
remove_origin (self, o->data, self->provider);
}
g_clear_pointer (&self->provider_name, g_free);
peas_engine_unload_plugin (engine, plugin);
set_state (self, CALLS_MANAGER_STATE_NO_PROVIDER);
}
static void
add_provider (CallsManager *self, const gchar *name)
{
g_autoptr (GList) origins = NULL;
GList *o;
/* We could eventually enable more then one provider, but for now let's use
only one */
if (self->provider != NULL)
remove_provider (self);
if (name == NULL)
return;
self->provider = load_provider (name);
if (self->provider == NULL) {
set_state (self, CALLS_MANAGER_STATE_NO_PLUGIN);
return;
}
set_state (self, CALLS_MANAGER_STATE_NO_ORIGIN);
origins = calls_provider_get_origins (self->provider);
g_signal_connect_swapped (self->provider, "origin-added", G_CALLBACK (add_origin), self);
g_signal_connect_swapped (self->provider, "origin-removed", G_CALLBACK (remove_origin), self);
for (o = origins; o != NULL; o = o->next)
{
add_origin (self, o->data, self->provider);
}
self->provider_name = g_strdup (name);
}
static void
calls_manager_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
CallsManager *self = CALLS_MANAGER (object);
switch (property_id) {
case PROP_PROVIDER:
g_value_set_string (value, calls_manager_get_provider (self));
break;
case PROP_DEFAULT_ORIGIN:
g_value_set_object (value, calls_manager_get_default_origin (self));
break;
case PROP_STATE:
g_value_set_enum (value, calls_manager_get_state (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
calls_manager_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
CallsManager *self = CALLS_MANAGER (object);
switch (property_id) {
case PROP_PROVIDER:
calls_manager_set_provider (self, g_value_get_string (value));
break;
case PROP_DEFAULT_ORIGIN:
calls_manager_set_default_origin (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
calls_manager_finalize (GObject *object)
{
CallsManager *self = CALLS_MANAGER (object);
g_clear_object (&self->provider);
g_clear_pointer (&self->provider_name, g_free);
G_OBJECT_CLASS (calls_manager_parent_class)->finalize (object);
}
static void
calls_manager_class_init (CallsManagerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = calls_manager_get_property;
object_class->set_property = calls_manager_set_property;
object_class->finalize = calls_manager_finalize;
signals[SIGNAL_ORIGIN_ADD] =
g_signal_new ("origin-add",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL, NULL,
G_TYPE_NONE,
1,
CALLS_TYPE_ORIGIN);
signals[SIGNAL_ORIGIN_REMOVE] =
g_signal_new ("origin-remove",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL, NULL,
G_TYPE_NONE,
1,
CALLS_TYPE_ORIGIN);
signals[SIGNAL_CALL_ADD] =
g_signal_new ("call-add",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL, NULL,
G_TYPE_NONE,
2,
CALLS_TYPE_CALL,
CALLS_TYPE_ORIGIN);
signals[SIGNAL_CALL_REMOVE] =
g_signal_new ("call-remove",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL, NULL,
G_TYPE_NONE,
2,
CALLS_TYPE_CALL,
CALLS_TYPE_ORIGIN);
signals[SIGNAL_ERROR] =
g_signal_new ("error",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL, NULL,
G_TYPE_NONE,
1,
G_TYPE_STRING);
props[PROP_PROVIDER] = g_param_spec_string ("provider",
"provider",
"The name of the currently loaded provider",
NULL,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_STATE] = g_param_spec_enum ("state",
"state",
"The state of the Manager",
CALLS_TYPE_MANAGER_STATE,
CALLS_MANAGER_STATE_NO_PROVIDER,
G_PARAM_READABLE | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_DEFAULT_ORIGIN] = g_param_spec_object ("default-origin",
"default origin",
"The default origin, if any",
CALLS_TYPE_ORIGIN,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
}
static void
calls_manager_init (CallsManager *self)
{
self->state = CALLS_MANAGER_STATE_NO_PROVIDER;
self->provider_name = NULL;
}
CallsManager *
calls_manager_new (void)
{
return g_object_new (CALLS_TYPE_MANAGER, NULL);
}
CallsManager *
calls_manager_get_default (void)
{
static CallsManager *instance;
if (instance == NULL) {
instance = calls_manager_new ();
g_object_add_weak_pointer (G_OBJECT (instance), (gpointer *)&instance);
}
return instance;
}
const gchar *
calls_manager_get_provider (CallsManager *self)
{
g_return_val_if_fail (CALLS_IS_MANAGER (self), NULL);
return self->provider_name;
}
void
calls_manager_set_provider (CallsManager *self, const gchar *name)
{
g_return_if_fail (CALLS_IS_MANAGER (self));
if (self->provider != NULL && g_strcmp0 (calls_provider_get_name (self->provider), name) == 0)
return;
add_provider (self, name);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_PROVIDER]);
}
/* FIXME: This function should be removed since we don't want to hand out the
provider */
CallsProvider *
calls_manager_get_real_provider (CallsManager *self)
{
g_return_val_if_fail (CALLS_IS_MANAGER (self), NULL);
return self->provider;
}
CallsManagerState
calls_manager_get_state (CallsManager *self)
{
g_return_val_if_fail (CALLS_IS_MANAGER (self), CALLS_MANAGER_STATE_UNKNOWN);
return self->state;
}
GList *
calls_manager_get_origins (CallsManager *self)
{
g_return_val_if_fail (CALLS_IS_MANAGER (self), NULL);
if (self->provider == NULL)
return NULL;
return calls_provider_get_origins (self->provider);
}
GList *
calls_manager_get_calls (CallsManager *self)
{
g_autoptr (GList) origins = NULL;
g_autoptr (GList) calls = NULL;
GList *o;
g_return_val_if_fail (CALLS_IS_MANAGER (self), NULL);
origins = calls_manager_get_origins (self);
for (o = origins; o != NULL; o = o->next)
calls = g_list_concat (calls, calls_origin_get_calls (o->data));
return g_steal_pointer (&calls);
}
CallsOrigin *
calls_manager_get_default_origin (CallsManager *self)
{
g_return_val_if_fail (CALLS_IS_MANAGER (self), NULL);
return self->default_origin;
}
void
calls_manager_set_default_origin (CallsManager *self,
CallsOrigin *origin)
{
g_return_if_fail (CALLS_IS_MANAGER (self));
if (self->default_origin == origin)
return;
g_clear_object (&self->default_origin);
if (origin)
self->default_origin = g_object_ref (origin);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_DEFAULT_ORIGIN]);
}
/**
* calls_manager_get_contact_name:
* @call: a #CallsCall
*
* Looks up the contact name for @call. If the lookup
* succeeds, the contact name will be returned. NULL if
* no match has been found in the contact list.
* If no number is associated with the @call, then
* a translatable string will be returned.
*
* Returns: (transfer none): The caller's name, a string representing
* an unknown caller or %NULL
*/
const gchar *
calls_manager_get_contact_name (CallsCall *call)
{
g_autoptr (EPhoneNumber) phone_number = NULL;
g_autoptr (GError) err = NULL;
const gchar *number;
CallsBestMatch *match;
number = calls_call_get_number (call);
if (!number || g_strcmp0 (number, "") == 0)
return _("Anonymous caller");
phone_number = e_phone_number_from_string (number, NULL, &err);
if (!phone_number)
{
g_warning ("Failed to convert %s to a phone number: %s", number, err->message);
return NULL;
}
match = calls_contacts_lookup_phone_number (calls_contacts_get_default (),
phone_number);
if (!match)
return NULL;
return calls_best_match_get_name (match);
}