Add singleton to cache TpConnectionManagers

1 files changed, 296 insertions, 0 deletions

diff --git a/libempathy/empathy-connection-managers.c b/libempathy/empathy-connection-managers.c
new file mode 100644
index 000000000..2ccfb9052
--- /dev/null
+++ b/libempathy/empathy-connection-managers.c
@@ -0,0 +1,296 @@
+/*
+ * empathy-connection-managers.c - Source for EmpathyConnectionManagers
+ * Copyright (C) 2009 Collabora Ltd.
+ * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
+ *
+ * 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
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <telepathy-glib/connection-manager.h>
+#include <telepathy-glib/util.h>
+
+#include "empathy-connection-managers.h"
+#include "empathy-utils.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
+#include <libempathy/empathy-debug.h>
+
+static GObject *managers = NULL;
+
+G_DEFINE_TYPE(EmpathyConnectionManagers, empathy_connection_managers,
+    G_TYPE_OBJECT)
+
+/* signal enum */
+enum
+{
+    UPDATED,
+    LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = {0};
+
+/* properties */
+enum {
+  PROP_READY = 1
+};
+
+#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyConnectionManagers)
+
+
+/* private structure */
+typedef struct _EmpathyConnectionManagersPriv
+  EmpathyConnectionManagersPriv;
+
+struct _EmpathyConnectionManagersPriv
+{
+  gboolean dispose_has_run;
+  gboolean ready;
+
+  GList *cms;
+
+  TpDBusDaemon *dbus;
+};
+
+#define EMPATHY_CONNECTION_MANAGERS_GET_PRIVATE(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
+  EMPATHY_TYPE_CONNECTION_MANAGERS, EmpathyConnectionManagersPriv))
+
+static void
+empathy_connection_managers_init (EmpathyConnectionManagers *obj)
+{
+  EmpathyConnectionManagersPriv *priv =
+      EMPATHY_CONNECTION_MANAGERS_GET_PRIVATE (obj);
+
+  priv->dbus = tp_dbus_daemon_dup (NULL);
+  g_assert (priv->dbus != NULL);
+
+  empathy_connection_managers_update (obj);
+
+  /* allocate any data required by the object here */
+}
+
+static void empathy_connection_managers_dispose (GObject *object);
+static void empathy_connection_managers_finalize (GObject *object);
+
+static GObject *
+empathy_connection_managers_constructor (GType type,
+                        guint n_construct_params,
+                        GObjectConstructParam *construct_params)
+{
+  if (managers != NULL)
+    return g_object_ref (managers);
+
+  managers =
+      G_OBJECT_CLASS (empathy_connection_managers_parent_class)->constructor
+          (type, n_construct_params, construct_params);
+
+  g_object_add_weak_pointer (managers, (gpointer) &managers);
+
+  return managers;
+}
+
+
+
+static void
+empathy_connection_managers_get_property (GObject *object,
+    guint prop_id,
+    GValue *value,
+    GParamSpec *pspec)
+{
+  EmpathyConnectionManagers *managers = EMPATHY_CONNECTION_MANAGERS (object);
+  EmpathyConnectionManagersPriv *priv = GET_PRIV (managers);
+
+  switch (prop_id)
+    {
+      case PROP_READY:
+        g_value_set_boolean (value, priv->ready);
+        break;
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        break;
+    }
+}
+
+static void
+empathy_connection_managers_class_init (
+    EmpathyConnectionManagersClass *empathy_connection_managers_class)
+{
+  GObjectClass *object_class =
+      G_OBJECT_CLASS (empathy_connection_managers_class);
+
+  g_type_class_add_private (empathy_connection_managers_class, sizeof
+      (EmpathyConnectionManagersPriv));
+
+  object_class->constructor = empathy_connection_managers_constructor;
+  object_class->dispose = empathy_connection_managers_dispose;
+  object_class->finalize = empathy_connection_managers_finalize;
+  object_class->get_property = empathy_connection_managers_get_property;
+
+  g_object_class_install_property (object_class, PROP_READY,
+    g_param_spec_boolean ("ready",
+      "Ready",
+      "Whether the connection manager information is ready to be used",
+      FALSE,
+      G_PARAM_STATIC_STRINGS | G_PARAM_READABLE));
+
+  signals[UPDATED] = g_signal_new ("updated",
+    G_TYPE_FROM_CLASS (object_class),
+    G_SIGNAL_RUN_LAST,
+    0, NULL, NULL,
+    g_cclosure_marshal_VOID__VOID,
+    G_TYPE_NONE, 0);
+}
+
+static void
+empathy_connection_managers_free_cm_list (EmpathyConnectionManagers *self)
+{
+  EmpathyConnectionManagersPriv *priv = GET_PRIV (self);
+  GList *l;
+
+  for (l = priv->cms ; l != NULL ; l = g_list_next (l))
+    {
+      g_object_unref (l->data);
+    }
+  g_list_free (priv->cms);
+
+  priv->cms = NULL;
+}
+
+static void
+empathy_connection_managers_dispose (GObject *object)
+{
+  EmpathyConnectionManagers *self = EMPATHY_CONNECTION_MANAGERS (object);
+  EmpathyConnectionManagersPriv *priv = GET_PRIV (self);
+
+  if (priv->dispose_has_run)
+    return;
+
+  priv->dispose_has_run = TRUE;
+
+  if (priv->dbus != NULL)
+    g_object_unref (priv->dbus);
+  priv->dbus = NULL;
+
+  empathy_connection_managers_free_cm_list (self);
+
+  /* release any references held by the object here */
+
+  if (G_OBJECT_CLASS (empathy_connection_managers_parent_class)->dispose)
+    G_OBJECT_CLASS (empathy_connection_managers_parent_class)->dispose (object);
+}
+
+void
+empathy_connection_managers_finalize (GObject *object)
+{
+#if 0
+  EmpathyConnectionManagers *self = EMPATHY_CONNECTION_MANAGERS (object);
+  EmpathyConnectionManagersPriv *priv =
+    EMPATHY_CONNECTION_MANAGERS_GET_PRIVATE (self);
+
+  /* free any data held directly by the object here */
+
+  G_OBJECT_CLASS (empathy_connection_managers_parent_class)->finalize (object);
+#endif
+}
+
+EmpathyConnectionManagers *
+empathy_connection_managers_dup_singleton (void)
+{
+  return EMPATHY_CONNECTION_MANAGERS (
+      g_object_new (EMPATHY_TYPE_CONNECTION_MANAGERS, NULL));
+}
+
+gboolean
+empathy_connection_managers_is_ready (EmpathyConnectionManagers *managers)
+{
+  EmpathyConnectionManagersPriv *priv = GET_PRIV (managers);
+  return priv->ready;
+}
+
+static void
+empathy_connection_managers_listed_cb (TpConnectionManager * const *cms,
+    gsize n_cms,
+    const GError *error,
+    gpointer user_data,
+    GObject *weak_object)
+{
+  EmpathyConnectionManagers *self =
+    EMPATHY_CONNECTION_MANAGERS (weak_object);
+  EmpathyConnectionManagersPriv *priv = GET_PRIV (self);
+  TpConnectionManager * const *iter;
+
+  empathy_connection_managers_free_cm_list (self);
+
+  if (error != NULL)
+    {
+      DEBUG ("Failed to get connection managers: %s", error->message);
+      goto out;
+    }
+
+  for (iter = cms ; iter != NULL && *iter != NULL; iter++)
+    {
+      /* only list cms that didn't hit errors */
+      if (tp_connection_manager_is_ready(*iter))
+        priv->cms = g_list_prepend (priv->cms, g_object_ref (*iter));
+    }
+
+out:
+  if (!priv->ready)
+    {
+      priv->ready = TRUE;
+      g_object_notify (weak_object, "ready");
+    }
+  g_signal_emit (weak_object, signals[UPDATED], 0);
+}
+
+void
+empathy_connection_managers_update (EmpathyConnectionManagers *managers)
+{
+  EmpathyConnectionManagersPriv *priv = GET_PRIV (managers);
+
+  tp_list_connection_managers (priv->dbus,
+    empathy_connection_managers_listed_cb,
+    NULL, NULL, G_OBJECT (managers));
+}
+
+GList *
+empathy_connection_managers_get_cms (EmpathyConnectionManagers *managers)
+{
+  EmpathyConnectionManagersPriv *priv = GET_PRIV (managers);
+
+  return priv->cms;
+}
+
+TpConnectionManager *
+empathy_connection_managers_get_cm (EmpathyConnectionManagers *managers,
+  const gchar *cm)
+{
+  EmpathyConnectionManagersPriv *priv = GET_PRIV (managers);
+  GList *l;
+
+  for (l = priv->cms ; l != NULL; l = g_list_next (l))
+    {
+      TpConnectionManager *c = TP_CONNECTION_MANAGER (l->data);
+
+      if (!tp_strdiff (c->name, cm))
+        return c;
+    }
+
+  return NULL;
+}