sip: Initial provider

based on dummy provider

plugins/sip/calls-sip-call.c

@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2021 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: Evangelos Ribeiro Tzaras <evangelos.tzaras@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "calls-sip-call.h"
+
+#include "calls-message-source.h"
+#include "calls-call.h"
+
+#include <glib/gi18n.h>
+
+
+struct _CallsSipCall
+{
+  GObject parent_instance;
+  gchar *number;
+  gboolean inbound;
+  CallsCallState state;
+};
+
+static void calls_sip_call_message_source_interface_init (CallsCallInterface *iface);
+static void calls_sip_call_call_interface_init (CallsCallInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (CallsSipCall, calls_sip_call, G_TYPE_OBJECT,
+                         G_IMPLEMENT_INTERFACE (CALLS_TYPE_MESSAGE_SOURCE,
+                                                calls_sip_call_message_source_interface_init)
+                         G_IMPLEMENT_INTERFACE (CALLS_TYPE_CALL,
+                                                calls_sip_call_call_interface_init))
+
+enum {
+  PROP_0,
+  PROP_CALL_NUMBER,
+  PROP_CALL_INBOUND,
+  PROP_CALL_STATE,
+  PROP_CALL_NAME,
+  PROP_LAST_PROP
+};
+static GParamSpec *props[PROP_LAST_PROP];
+
+
+static void
+change_state (CallsSipCall   *self,
+              CallsCallState  state)
+{
+  CallsCallState old_state;
+
+  g_assert (CALLS_IS_CALL (self));
+  g_assert (CALLS_IS_SIP_CALL (self));
+
+  old_state = self->state;
+
+  if (old_state == state)
+    {
+      return;
+    }
+
+  self->state = state;
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_CALL_STATE]);
+  g_signal_emit_by_name (CALLS_CALL (self),
+                         "state-changed",
+                         state,
+                         old_state);
+}
+
+static void
+answer (CallsCall *call)
+{
+  CallsSipCall *self;
+
+  g_assert (CALLS_IS_CALL (call));
+  g_assert (CALLS_IS_SIP_CALL (call));
+
+  self = CALLS_SIP_CALL (call);
+
+  if (self->state != CALLS_CALL_STATE_INCOMING) {
+    g_warning ("Call must be in 'incoming' state in order to answer");
+    return;
+  }
+
+  change_state (self, CALLS_CALL_STATE_ACTIVE);
+}
+
+static void
+hang_up (CallsCall *call)
+{
+  CallsSipCall *self;
+
+  g_assert (CALLS_IS_CALL (call));
+  g_assert (CALLS_IS_SIP_CALL (call));
+
+  self = CALLS_SIP_CALL (call);
+
+  change_state (self, CALLS_CALL_STATE_DISCONNECTED);
+}
+
+static void
+tone_start (CallsCall *call, gchar key)
+{
+  g_info ("Beep! (%c)", (int)key);
+}
+
+static void
+tone_stop (CallsCall *call, gchar key)
+{
+  g_info ("Beep end (%c)", (int)key);
+}
+
+
+static void
+calls_sip_call_set_property (GObject      *object,
+                             guint         property_id,
+                             const GValue *value,
+                             GParamSpec   *pspec)
+{
+  CallsSipCall *self = CALLS_SIP_CALL (object);
+
+  switch (property_id) {
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    break;
+  }
+}
+
+
+static void
+calls_sip_call_get_property (GObject      *object,
+                             guint         property_id,
+                             GValue       *value,
+                             GParamSpec   *pspec)
+{
+  CallsSipCall *self = CALLS_SIP_CALL (object);
+
+  switch (property_id) {
+  case PROP_CALL_INBOUND:
+    g_value_set_boolean (value, self->inbound);
+    break;
+
+  case PROP_CALL_NUMBER:
+    g_value_set_string (value, self->number);
+    break;
+
+  case PROP_CALL_STATE:
+    g_value_set_enum (value, self->state);
+    break;
+
+  case PROP_CALL_NAME:
+    g_value_set_string (value, NULL);
+    break;
+
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    break;
+  }
+}
+
+
+static void
+calls_sip_call_finalize (GObject *object)
+{
+  CallsSipCall *self = CALLS_SIP_CALL (object);
+
+  g_free (self->number);
+
+  G_OBJECT_CLASS (calls_sip_call_parent_class)->finalize (object);
+}
+
+
+static void
+calls_sip_call_class_init (CallsSipCallClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->get_property = calls_sip_call_get_property;
+  object_class->set_property = calls_sip_call_set_property;
+  object_class->finalize = calls_sip_call_finalize;
+
+#define IMPLEMENTS(ID, NAME) \
+  g_object_class_override_property (object_class, ID, NAME);    \
+  props[ID] = g_object_class_find_property(object_class, NAME);
+
+  IMPLEMENTS(PROP_CALL_NUMBER, "number");
+  IMPLEMENTS(PROP_CALL_INBOUND, "inbound");
+  IMPLEMENTS(PROP_CALL_STATE, "state");
+  IMPLEMENTS(PROP_CALL_NAME, "name");
+
+#undef IMPLEMENTS
+
+}
+
+static void
+calls_sip_call_call_interface_init (CallsCallInterface *iface)
+{
+  iface->answer = answer;
+  iface->hang_up = hang_up;
+  iface->tone_start = tone_start;
+  iface->tone_stop = tone_stop;
+}
+
+
+static void
+calls_sip_call_message_source_interface_init (CallsCallInterface *iface)
+{
+}
+
+
+static void
+calls_sip_call_init (CallsSipCall *self)
+{
+}
+
+
+CallsSipCall *
+calls_sip_call_new (const gchar *number,
+                    gboolean     inbound)
+{
+  CallsSipCall *call;
+
+  g_return_val_if_fail (number != NULL, NULL);
+
+  call = g_object_new (CALLS_TYPE_SIP_CALL, NULL);
+
+  call->number = g_strdup (number);
+  call->inbound = inbound;
+
+  if (inbound)
+    call->state = CALLS_CALL_STATE_INCOMING;
+  else
+    call->state = CALLS_CALL_STATE_DIALING;
+
+  return call;
+}