2 * Copyright (C) 2011 Collabora Ltd.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 * Authors: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
23 #include "empathy-camera-monitor.h"
24 #include "cheese-camera-device-monitor.h"
26 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
27 #include "empathy-debug.h"
29 struct _EmpathyCameraMonitorPrivate
31 EmpathyCameraDeviceMonitor *empathy_monitor;
49 static guint signals[LAST_SIGNAL];
51 G_DEFINE_TYPE (EmpathyCameraMonitor, empathy_camera_monitor, G_TYPE_OBJECT);
53 static EmpathyCameraMonitor *manager_singleton = NULL;
55 static EmpathyCamera *
56 empathy_camera_new (const gchar *id,
60 EmpathyCamera *camera = g_slice_new (EmpathyCamera);
62 camera->id = g_strdup (id);
63 camera->device = g_strdup (device);
64 camera->name = g_strdup (name);
69 static EmpathyCamera *
70 empathy_camera_copy (EmpathyCamera *camera)
72 return empathy_camera_new (camera->id, camera->device, camera->name);
76 empathy_camera_free (EmpathyCamera *camera)
79 g_free (camera->device);
80 g_free (camera->name);
82 g_slice_free (EmpathyCamera, camera);
85 G_DEFINE_BOXED_TYPE (EmpathyCamera, empathy_camera,
86 empathy_camera_copy, empathy_camera_free)
89 empathy_camera_find (gconstpointer a,
92 const EmpathyCamera *camera = a;
95 return g_strcmp0 (camera->id, id);
99 empathy_camera_monitor_free_camera_foreach (gpointer data,
102 empathy_camera_free (data);
106 on_camera_added (EmpathyCameraDeviceMonitor *device,
111 EmpathyCameraMonitor *self)
113 EmpathyCamera *camera;
115 if (self->priv->cameras == NULL)
118 camera = empathy_camera_new (id, filename, product_name);
120 g_queue_push_tail (self->priv->cameras, camera);
122 self->priv->num_cameras++;
124 if (self->priv->num_cameras == 1)
125 g_object_notify (G_OBJECT (self), "available");
127 g_signal_emit (self, signals[CAMERA_ADDED], 0, camera);
131 on_camera_removed (EmpathyCameraDeviceMonitor *device,
133 EmpathyCameraMonitor *self)
135 EmpathyCamera *camera;
138 if (self->priv->cameras == NULL)
141 l = g_queue_find_custom (self->priv->cameras, id, empathy_camera_find);
143 g_return_if_fail (l != NULL);
147 g_queue_delete_link (self->priv->cameras, l);
149 self->priv->num_cameras--;
151 if (self->priv->num_cameras == 0)
152 g_object_notify (G_OBJECT (self), "available");
154 g_signal_emit (self, signals[CAMERA_REMOVED], 0, camera);
156 empathy_camera_free (camera);
160 empathy_camera_monitor_get_cameras (EmpathyCameraMonitor *self)
162 if (self->priv->cameras != NULL)
163 return self->priv->cameras->head;
169 empathy_camera_monitor_get_property (GObject *object,
174 EmpathyCameraMonitor *self = (EmpathyCameraMonitor *) object;
179 g_value_set_boolean (value, self->priv->num_cameras > 0);
182 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
188 empathy_camera_monitor_dispose (GObject *object)
190 EmpathyCameraMonitor *self = EMPATHY_CAMERA_MONITOR (object);
192 tp_clear_object (&self->priv->empathy_monitor);
194 g_queue_foreach (self->priv->cameras,
195 empathy_camera_monitor_free_camera_foreach, NULL);
196 tp_clear_pointer (&self->priv->cameras, g_queue_free);
198 G_OBJECT_CLASS (empathy_camera_monitor_parent_class)->dispose (object);
202 empathy_camera_monitor_constructed (GObject *object)
204 EmpathyCameraMonitor *self = (EmpathyCameraMonitor *) object;
206 G_OBJECT_CLASS (empathy_camera_monitor_parent_class)->constructed (object);
208 empathy_camera_device_monitor_coldplug (self->priv->empathy_monitor);
212 empathy_camera_monitor_class_init (EmpathyCameraMonitorClass *klass)
214 GObjectClass *object_class = G_OBJECT_CLASS (klass);
216 object_class->dispose = empathy_camera_monitor_dispose;
217 object_class->constructed = empathy_camera_monitor_constructed;
218 object_class->get_property = empathy_camera_monitor_get_property;
220 g_object_class_install_property (object_class, PROP_AVAILABLE,
221 g_param_spec_boolean ("available", "Available",
222 "Camera available", TRUE, G_PARAM_READABLE));
224 signals[CAMERA_ADDED] =
225 g_signal_new ("added", G_OBJECT_CLASS_TYPE (klass),
226 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
228 g_cclosure_marshal_generic,
229 G_TYPE_NONE, 1, EMPATHY_TYPE_CAMERA);
231 signals[CAMERA_REMOVED] =
232 g_signal_new ("removed", G_OBJECT_CLASS_TYPE (klass),
233 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
235 g_cclosure_marshal_generic,
236 G_TYPE_NONE, 1, EMPATHY_TYPE_CAMERA);
238 g_type_class_add_private (object_class,
239 sizeof (EmpathyCameraMonitorPrivate));
243 empathy_camera_monitor_init (EmpathyCameraMonitor *self)
245 self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
246 EMPATHY_TYPE_CAMERA_MONITOR, EmpathyCameraMonitorPrivate);
248 self->priv->cameras = g_queue_new ();
250 self->priv->empathy_monitor = empathy_camera_device_monitor_new ();
252 g_signal_connect (self->priv->empathy_monitor, "added",
253 G_CALLBACK (on_camera_added), self);
254 g_signal_connect (self->priv->empathy_monitor, "removed",
255 G_CALLBACK (on_camera_removed), self);
258 /* No udev, assume there are cameras present */
259 self->priv->num_cameras = 1;
263 EmpathyCameraMonitor *
264 empathy_camera_monitor_dup_singleton (void)
268 if (manager_singleton)
270 retval = g_object_ref (manager_singleton);
274 retval = g_object_new (EMPATHY_TYPE_CAMERA_MONITOR, NULL);
276 manager_singleton = EMPATHY_CAMERA_MONITOR (retval);
277 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
280 return EMPATHY_CAMERA_MONITOR (retval);
283 EmpathyCameraMonitor *
284 empathy_camera_monitor_new (void)
286 return EMPATHY_CAMERA_MONITOR (
287 g_object_new (EMPATHY_TYPE_CAMERA_MONITOR, NULL));
290 gboolean empathy_camera_monitor_get_available (EmpathyCameraMonitor *self)
292 g_return_val_if_fail (EMPATHY_IS_CAMERA_MONITOR (self), FALSE);
294 return self->priv->num_cameras > 0;