[Pkg-telepathy-commits] [telepathy-glib-1] 138/212: TpDBusPropertiesMixin: Emit PropertiesChanged signal using GDBusConnection directly

[Simon McVittie]

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smcv pushed a commit to branch debian
in repository telepathy-glib-1.

commit 6f9cbe42977e608e3bac873f6cc29971998b2ff5
Author: Xavier Claessens <xavier.claessens at collabora.com>
Date:   Sat Apr 5 10:06:55 2014 -0400

    TpDBusPropertiesMixin: Emit PropertiesChanged signal using GDBusConnection directly
    
    We are about to stop exporting TpSvcDBusProperties iface so they
    would be no-op.
    
    Bug: https://bugs.freedesktop.org/show_bug.cgi?id=77144
    Reviewed-by: Simon McVittie
---
 telepathy-glib/dbus-internal.h         |  3 +++
 telepathy-glib/dbus-properties-mixin.c | 33 +++++++++++++++++++++++++--------
 telepathy-glib/dbus.c                  | 24 ++++++++++++++++++++++++
 3 files changed, 52 insertions(+), 8 deletions(-)

diff --git a/telepathy-glib/dbus-internal.h b/telepathy-glib/dbus-internal.h
index 0f4bf00..33b4d3c 100644
--- a/telepathy-glib/dbus-internal.h
+++ b/telepathy-glib/dbus-internal.h
@@ -31,6 +31,9 @@ gboolean _tp_dbus_connection_get_name_owner (GDBusConnection *dbus_connection,
     gint timeout_ms, const gchar *well_known_name, gchar **unique_name,
     GError **error);
 
+GDBusConnection *_tp_dbus_object_get_connection (gpointer object);
+const gchar *_tp_dbus_object_get_object_path (gpointer object);
+
 G_END_DECLS
 
 #endif /* __TP_INTERNAL_DBUS_GLIB_H__ */
diff --git a/telepathy-glib/dbus-properties-mixin.c b/telepathy-glib/dbus-properties-mixin.c
index 2886445..c89dcf6 100644
--- a/telepathy-glib/dbus-properties-mixin.c
+++ b/telepathy-glib/dbus-properties-mixin.c
@@ -29,6 +29,7 @@
 #include <telepathy-glib/util.h>
 
 #define DEBUG_FLAG TP_DEBUG_PROPERTIES
+#include "telepathy-glib/dbus-internal.h"
 #include "telepathy-glib/debug-internal.h"
 
 /**
@@ -925,9 +926,10 @@ tp_dbus_properties_mixin_emit_properties_changed (
 {
   TpDBusPropertiesMixinIfaceImpl *iface_impl;
   TpDBusPropertiesMixinIfaceInfo *iface_info;
-  GHashTable *changed_properties;
+  GVariantDict changed_properties;
   GPtrArray *invalidated_properties;
   const gchar * const *prop_name;
+  GDBusConnection *dbus_connection;
 
   g_return_if_fail (interface_name != NULL);
   iface_impl = _tp_dbus_properties_mixin_find_iface_impl (object,
@@ -942,8 +944,7 @@ tp_dbus_properties_mixin_emit_properties_changed (
   if (properties == NULL || properties[0] == NULL)
     return;
 
-  changed_properties = g_hash_table_new_full (g_str_hash, g_str_equal,
-      NULL, (GDestroyNotify) tp_g_value_slice_free);
+  g_variant_dict_init (&changed_properties, NULL);
   invalidated_properties = g_ptr_array_new ();
 
   for (prop_name = properties; *prop_name != NULL; prop_name++)
@@ -968,12 +969,14 @@ tp_dbus_properties_mixin_emit_properties_changed (
       if (prop_info->flags & TP_DBUS_PROPERTIES_MIXIN_FLAG_EMITS_CHANGED)
         {
           GValue v = { 0, };
+          GVariant *variant;
 
           g_value_init (&v, prop_info->type);
           iface_impl->getter (object, iface_info->dbus_interface,
               prop_info->name, &v, prop_impl->getter_data);
-          g_hash_table_insert (changed_properties, (gchar *) *prop_name,
-              tp_g_value_slice_dup (&v));
+          variant = dbus_g_value_build_g_variant (&v);
+          g_variant_dict_insert_value (&changed_properties, *prop_name,
+              variant);
 
           g_value_unset (&v);
         }
@@ -991,9 +994,23 @@ tp_dbus_properties_mixin_emit_properties_changed (
 
   g_ptr_array_add (invalidated_properties, NULL);
 
-  tp_svc_dbus_properties_emit_properties_changed (object, interface_name,
-      changed_properties, (const gchar **) invalidated_properties->pdata);
-  g_hash_table_unref (changed_properties);
+  dbus_connection = _tp_dbus_object_get_connection (object);
+  if (dbus_connection != NULL)
+    {
+      g_dbus_connection_emit_signal (dbus_connection,
+          NULL, /* broadcast */
+          _tp_dbus_object_get_object_path (object),
+          "org.freedesktop.DBus.Properties",
+          "PropertiesChanged",
+          /* consume floating ref */
+          g_variant_new ("(s at a{sv}^as)", interface_name,
+              g_variant_dict_end (&changed_properties),
+              invalidated_properties->pdata),
+          /* cannot fail unless a parameter is incompatible with D-Bus,
+           * so ignore error */
+          NULL);
+    }
+
   g_ptr_array_unref (invalidated_properties);
 }
 
diff --git a/telepathy-glib/dbus.c b/telepathy-glib/dbus.c
index a5954b8..eaa719c 100644
--- a/telepathy-glib/dbus.c
+++ b/telepathy-glib/dbus.c
@@ -891,3 +891,27 @@ tp_dbus_connection_unregister_object (GDBusConnection *dbus_connection,
    * will automatically unregister the object (if registered) */
   g_object_set_qdata (object, registration_quark (), NULL);
 }
+
+GDBusConnection *
+_tp_dbus_object_get_connection (gpointer object)
+{
+  Registration *r;
+
+  r = g_object_get_qdata (object, registration_quark ());
+  if (r != NULL)
+    return r->conn;
+
+  return NULL;
+}
+
+const gchar *
+_tp_dbus_object_get_object_path (gpointer object)
+{
+  Registration *r;
+
+  r = g_object_get_qdata (object, registration_quark ());
+  if (r != NULL)
+    return r->object_path;
+
+  return NULL;
+}

-- 
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