1 files changed, 370 insertions, 0 deletions
diff --git a/src/empathy-notifications-approver.c b/src/empathy-notifications-approver.c
new file mode 100644
index 000000000..0bfe03274
--- /dev/null
+++ b/src/empathy-notifications-approver.c
@@ -0,0 +1,370 @@
+/* * Copyright (C) 2009 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Authors: Guillaume Desmottes <guillaume.desmottes@collabora.co.uk>
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include <glib/gi18n.h>
+#include <libnotify/notification.h>
+#include <libnotify/notify.h>
+#include <telepathy-glib/telepathy-glib.h>
+
+#include <libempathy/empathy-contact-manager.h>
+
+#include <libempathy-gtk/empathy-notify-manager.h>
+
+#include "empathy-event-manager.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
+#include <libempathy/empathy-debug.h>
+
+#include "empathy-notifications-approver.h"
+
+struct _EmpathyNotificationsApproverPrivate
+{
+  EmpathyEventManager *event_mgr;
+  EmpathyNotifyManager *notify_mgr;
+
+  NotifyNotification *notification;
+  EmpathyEvent *event;
+};
+
+G_DEFINE_TYPE (EmpathyNotificationsApprover, empathy_notifications_approver,
+    G_TYPE_OBJECT);
+
+static EmpathyNotificationsApprover *notifications_approver = NULL;
+
+static GObject *
+notifications_approver_constructor (GType type,
+    guint n_construct_params,
+    GObjectConstructParam *construct_params)
+{
+  GObject *retval;
+
+  if (notifications_approver != NULL)
+    return g_object_ref (notifications_approver);
+
+  retval = G_OBJECT_CLASS (empathy_notifications_approver_parent_class)->
+      constructor (type, n_construct_params, construct_params);
+
+  notifications_approver = EMPATHY_NOTIFICATIONS_APPROVER (retval);
+  g_object_add_weak_pointer (retval, (gpointer) &notifications_approver);
+
+  return retval;
+}
+
+static void
+notifications_approver_dispose (GObject *object)
+{
+  EmpathyNotificationsApprover *self = (EmpathyNotificationsApprover *) object;
+
+  tp_clear_object (&self->priv->event_mgr);
+  tp_clear_object (&self->priv->notify_mgr);
+
+  if (self->priv->notification != NULL)
+    {
+      notify_notification_close (self->priv->notification, NULL);
+      tp_clear_object (&self->priv->notification);
+    }
+
+  G_OBJECT_CLASS (empathy_notifications_approver_parent_class)->dispose (
+      object);
+}
+
+static void
+empathy_notifications_approver_class_init (
+    EmpathyNotificationsApproverClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->dispose = notifications_approver_dispose;
+  object_class->constructor = notifications_approver_constructor;
+
+  g_type_class_add_private (object_class,
+      sizeof (EmpathyNotificationsApproverPrivate));
+}
+
+static void
+notification_closed_cb (NotifyNotification *notification,
+    EmpathyNotificationsApprover *self)
+{
+  if (self->priv->notification == notification)
+    tp_clear_object (&self->priv->notification);
+}
+
+static void
+notification_close_helper (EmpathyNotificationsApprover *self)
+{
+  if (self->priv->notification != NULL)
+    {
+      notify_notification_close (self->priv->notification, NULL);
+      tp_clear_object (&self->priv->notification);
+    }
+}
+
+static void
+notification_approve_cb (NotifyNotification *notification,
+    gchar *action,
+    EmpathyNotificationsApprover *self)
+{
+  if (self->priv->event != NULL)
+    empathy_event_approve (self->priv->event);
+}
+
+static void
+notification_decline_cb (NotifyNotification *notification,
+    gchar *action,
+    EmpathyNotificationsApprover  *self)
+{
+  if (self->priv->event != NULL)
+    empathy_event_decline (self->priv->event);
+}
+
+static void
+notification_decline_subscription_cb (NotifyNotification *notification,
+    gchar *action,
+    EmpathyNotificationsApprover *self)
+{
+  EmpathyContactManager *manager;
+
+  if (self->priv->event == NULL)
+    return;
+
+  manager = empathy_contact_manager_dup_singleton ();
+  empathy_contact_list_remove (EMPATHY_CONTACT_LIST (manager),
+      self->priv->event->contact, "");
+
+  empathy_event_remove (self->priv->event);
+
+  g_object_unref (manager);
+}
+
+static void
+notification_accept_subscription_cb (NotifyNotification *notification,
+    gchar *action,
+    EmpathyNotificationsApprover *self)
+{
+  EmpathyContactManager *manager;
+
+  if (self->priv->event == NULL)
+    return;
+
+  manager = empathy_contact_manager_dup_singleton ();
+  empathy_contact_list_add (EMPATHY_CONTACT_LIST (manager),
+      self->priv->event->contact, "");
+
+  empathy_event_remove (self->priv->event);
+
+  g_object_unref (manager);
+}
+
+static void
+add_notification_actions (EmpathyNotificationsApprover *self,
+    NotifyNotification *notification)
+{
+  switch (self->priv->event->type) {
+    case EMPATHY_EVENT_TYPE_CHAT:
+      notify_notification_add_action (notification,
+        "respond", _("Respond"), (NotifyActionCallback) notification_approve_cb,
+          self, NULL);
+      break;
+
+    case EMPATHY_EVENT_TYPE_VOIP:
+      notify_notification_add_action (notification,
+        "reject", _("Reject"), (NotifyActionCallback) notification_decline_cb,
+          self, NULL);
+
+      notify_notification_add_action (notification,
+        "answer", _("Answer"), (NotifyActionCallback) notification_approve_cb,
+          self, NULL);
+      break;
+
+    case EMPATHY_EVENT_TYPE_TRANSFER:
+    case EMPATHY_EVENT_TYPE_INVITATION:
+      notify_notification_add_action (notification,
+        "decline", _("Decline"), (NotifyActionCallback) notification_decline_cb,
+          self, NULL);
+
+      notify_notification_add_action (notification,
+        "accept", _("Accept"), (NotifyActionCallback) notification_approve_cb,
+          self, NULL);
+      break;
+
+    case EMPATHY_EVENT_TYPE_SUBSCRIPTION:
+      notify_notification_add_action (notification,
+        "decline", _("Decline"),
+          (NotifyActionCallback) notification_decline_subscription_cb,
+          self, NULL);
+
+      notify_notification_add_action (notification,
+        "accept", _("Accept"),
+          (NotifyActionCallback) notification_accept_subscription_cb,
+          self, NULL);
+
+    default:
+      break;
+  }
+}
+
+static void
+update_notification (EmpathyNotificationsApprover *self)
+{
+  GdkPixbuf *pixbuf = NULL;
+  gchar *message_esc = NULL;
+  gboolean has_x_canonical_append;
+  NotifyNotification *notification;
+
+  if (!empathy_notify_manager_notification_is_enabled (self->priv->notify_mgr))
+    {
+      /* always close the notification if this happens */
+      notification_close_helper (self);
+      return;
+    }
+
+  if (self->priv->event == NULL)
+    {
+      notification_close_helper (self);
+      return;
+     }
+
+  if (self->priv->event->message != NULL)
+    message_esc = g_markup_escape_text (self->priv->event->message, -1);
+
+  has_x_canonical_append = empathy_notify_manager_has_capability (
+      self->priv->notify_mgr, EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND);
+
+  if (self->priv->notification != NULL && ! has_x_canonical_append)
+    {
+      /* if the notification server does NOT supports x-canonical-append, it is
+       * better to not use notify_notification_update to avoid
+       * overwriting the current notification message */
+      notification = g_object_ref (self->priv->notification);
+
+      notify_notification_update (notification,
+          self->priv->event->header, message_esc, NULL);
+    }
+  else
+    {
+      /* if the notification server supports x-canonical-append,
+       * the hint will be added, so that the message from the
+       * just created notification will be automatically appended
+       * to an existing notification with the same title.
+       * In this way the previous message will not be lost: the new
+       * message will appear below it, in the same notification */
+      notification = notify_notification_new (self->priv->event->header,
+           message_esc, NULL);
+
+      if (self->priv->notification == NULL)
+        {
+          self->priv->notification = g_object_ref (notification);
+
+          g_signal_connect (notification, "closed",
+              G_CALLBACK (notification_closed_cb), self);
+        }
+
+      notify_notification_set_timeout (notification,
+          NOTIFY_EXPIRES_DEFAULT);
+
+      if (has_x_canonical_append)
+        notify_notification_set_hint_string (notification,
+            EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND, "");
+
+      if (empathy_notify_manager_has_capability (self->priv->notify_mgr,
+            EMPATHY_NOTIFY_MANAGER_CAP_ACTIONS))
+        add_notification_actions (self, notification);
+    }
+
+  pixbuf = empathy_notify_manager_get_pixbuf_for_notification (
+      self->priv->notify_mgr, self->priv->event->contact,
+      self->priv->event->icon_name);
+
+  if (pixbuf != NULL)
+    {
+      notify_notification_set_icon_from_pixbuf (notification, pixbuf);
+      g_object_unref (pixbuf);
+    }
+
+  notify_notification_show (notification, NULL);
+
+  g_free (message_esc);
+  g_object_unref (notification);
+}
+
+static void
+event_added_cb (EmpathyEventManager *manager,
+    EmpathyEvent *event,
+    EmpathyNotificationsApprover *self)
+{
+  if (self->priv->event != NULL)
+    return;
+
+  self->priv->event = event;
+  update_notification (self);
+}
+
+static void
+event_removed_cb (EmpathyEventManager *manager,
+    EmpathyEvent *event,
+    EmpathyNotificationsApprover *self)
+{
+  if (event != self->priv->event)
+    return;
+
+  self->priv->event = empathy_event_manager_get_top_event (
+      self->priv->event_mgr);
+
+  update_notification (self);
+}
+
+static void
+event_updated_cb (EmpathyEventManager *manager,
+    EmpathyEvent *event,
+    EmpathyNotificationsApprover *self)
+{
+  if (event != self->priv->event)
+    return;
+
+  if (empathy_notify_manager_notification_is_enabled (self->priv->notify_mgr))
+    update_notification (self);
+}
+
+static void
+empathy_notifications_approver_init (EmpathyNotificationsApprover *self)
+{
+  EmpathyNotificationsApproverPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+    EMPATHY_TYPE_NOTIFICATIONS_APPROVER, EmpathyNotificationsApproverPrivate);
+
+  self->priv = priv;
+
+  self->priv->event_mgr = empathy_event_manager_dup_singleton ();
+  self->priv->notify_mgr = empathy_notify_manager_dup_singleton ();
+
+  tp_g_signal_connect_object (self->priv->event_mgr, "event-added",
+      G_CALLBACK (event_added_cb), self, 0);
+  tp_g_signal_connect_object (priv->event_mgr, "event-removed",
+      G_CALLBACK (event_removed_cb), self, 0);
+  tp_g_signal_connect_object (priv->event_mgr, "event-updated",
+      G_CALLBACK (event_updated_cb), self, 0);
+}
+
+EmpathyNotificationsApprover *
+empathy_notifications_approver_dup_singleton (void)
+{
+  return g_object_new (EMPATHY_TYPE_NOTIFICATIONS_APPROVER, NULL);
+}