X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fat-spi2-atk.git;a=blobdiff_plain;f=atk-adaptor%2Fbridge.c;h=f476e969e6abe0e150ae1191a171743b5ab34465;hp=cbced24f7be394c8c1e1ce64d662623385374fad;hb=747254496ecabd11e84615295ef629959f8ad9d6;hpb=3e0c62d4a264434cc5d49b5d4a054312c92330a0

diff --git a/atk-adaptor/bridge.c b/atk-adaptor/bridge.c
index cbced24..f476e96 100644
--- a/atk-adaptor/bridge.c
+++ b/atk-adaptor/bridge.c
@@ -35,6 +35,7 @@
 #include <atk/atk.h>
 
 #include <droute/droute.h>
+#include <gmodule.h>
 
 #include "bridge.h"
 #include "event.h"
@@ -119,7 +120,10 @@ spi_atk_bridge_get_bus (void)
 
   bridge_display = XOpenDisplay (spi_display_name ());
   if (!bridge_display)
-    g_error ("AT_SPI: Could not get the display\n");
+    {
+      g_warning ("AT_SPI: Could not get the display\n");
+      return NULL;
+    }
 
   AT_SPI_BUS = XInternAtom (bridge_display, "AT_SPI_BUS", False);
   XGetWindowProperty (bridge_display,
@@ -137,19 +141,26 @@ spi_atk_bridge_get_bus (void)
         ("AT-SPI: Accessibility bus not found - Using session bus.\n");
       bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
       if (!bus)
-        g_error ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
+        {
+          g_warning ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
+          return NULL;
+        }
     }
   else
     {
       bus = dbus_connection_open (data, &error);
       if (!bus)
         {
-          g_error ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
+          g_warning ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
+          return NULL;
         }
       else
         {
           if (!dbus_bus_register (bus, &error))
-            g_error ("AT-SPI: Couldn't register with bus: %s\n", error.message);
+            {
+              g_warning ("AT-SPI: Couldn't register with bus: %s\n", error.message);
+              return NULL;
+            }
         }
     }
 
@@ -183,15 +194,126 @@ send_and_allow_reentry (DBusConnection *bus, DBusMessage *message, DBusError *er
 }
 /*---------------------------------------------------------------------------*/
 
+static void
+add_event (const char *bus_name, const char *event)
+{
+  event_data *evdata;
+  gchar **data;
+  GList *new_list;
+
+  evdata = (event_data *) g_malloc (sizeof (*evdata));
+  if (!evdata)
+    return;
+  data = g_strsplit (event, ":", 3);
+  if (!data)
+    {
+      g_free (evdata);
+      return;
+    }
+  evdata->bus_name = g_strdup (bus_name);
+  evdata->data = data;
+  new_list = g_list_append (spi_global_app_data->events, evdata);
+  if (new_list)
+    spi_global_app_data->events = new_list;
+}
+
+static void
+get_registered_event_listeners (SpiBridge *app)
+{
+  DBusMessage *message, *reply;
+  DBusMessageIter iter, iter_array, iter_struct;
+
+  message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
+                                         SPI_DBUS_PATH_REGISTRY,
+                                         SPI_DBUS_INTERFACE_REGISTRY,
+                                         "GetRegisteredEvents");
+  spi_global_app_data->events_initialized = TRUE;
+  if (!message)
+    return;
+
+  reply = dbus_connection_send_with_reply_and_block (app->bus, message, 5000, NULL);
+  dbus_message_unref (message);
+  if (!reply)
+    return;
+  if (strcmp (dbus_message_get_signature (reply), "a(ss)") != 0)
+    {
+      /* TODO: Add a warning when it's okay to add strings */
+      dbus_message_unref (reply);
+      return;
+    }
+  dbus_message_iter_init (reply, &iter);
+  dbus_message_iter_recurse (&iter, &iter_array);
+  /* TODO: This is bad. Need to determine that the array is non-empty,
+     so that we don't initially read a value rom it in that case, but using
+     a deprecated function. */
+  if (dbus_message_iter_get_array_len (&iter_array) > 0) do
+    {
+      char *bus_name, *event;
+      dbus_message_iter_recurse (&iter_array, &iter_struct);
+      dbus_message_iter_get_basic (&iter_struct, &bus_name);
+      dbus_message_iter_next (&iter_struct);
+      dbus_message_iter_get_basic (&iter_struct, &event);
+      add_event (bus_name, event);
+    }
+  while (dbus_message_iter_next (&iter_array));
+  dbus_message_unref (reply);
+}
+
+static void
+register_reply (DBusPendingCall *pending, void *user_data)
+{
+  DBusMessage *reply;
+  SpiBridge *app = user_data;
+  DBusMessage *message;
+
+    reply = dbus_pending_call_steal_reply (pending);
+  if (reply)
+    {
+      gchar *app_name, *obj_path;
+
+      if (strcmp (dbus_message_get_signature (reply), "(so)") != 0)
+        {
+          g_warning ("AT-SPI: Could not obtain desktop path or name\n");
+printf("sig: %s\n", dbus_message_get_signature(reply));
+        }
+      else
+        {
+          DBusMessageIter iter, iter_struct;
+          dbus_message_iter_init (reply, &iter);
+          dbus_message_iter_recurse (&iter, &iter_struct);
+          dbus_message_iter_get_basic (&iter_struct, &app_name);
+          dbus_message_iter_next (&iter_struct);
+          dbus_message_iter_get_basic (&iter_struct, &obj_path);
+
+          app->desktop_name = g_strdup (app_name);
+          app->desktop_path = g_strdup (obj_path);
+        }
+    }
+  else
+    {
+      g_warning ("AT-SPI: Could not embed inside desktop");
+      return;
+    }
+  dbus_message_unref (reply);
+
+  get_registered_event_listeners (spi_global_app_data);
+}
+
 static gboolean
 register_application (SpiBridge * app)
 {
   DBusMessage *message, *reply;
   DBusMessageIter iter;
   DBusError error;
+  DBusPendingCall *pending;
 
   dbus_error_init (&error);
 
+  /* These will be overridden when we get a reply, but in practice these
+     defaults should always be correct */
+  app->desktop_name = SPI_DBUS_NAME_REGISTRY;
+  app->desktop_path = SPI_DBUS_PATH_ROOT;
+
   message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
                                           SPI_DBUS_PATH_ROOT,
                                           SPI_DBUS_INTERFACE_SOCKET,
@@ -200,44 +322,16 @@ register_application (SpiBridge * app)
   dbus_message_iter_init_append (message, &iter);
   spi_object_append_reference (&iter, app->root);
   
-  reply = send_and_allow_reentry (app->bus, message, &error);
+    if (!dbus_connection_send_with_reply (app->bus, message, &pending, -1))
+    {
+        return FALSE;
+    }
+
+    dbus_pending_call_set_notify (pending, register_reply, app, NULL);
 
   if (message)
     dbus_message_unref (message);
 
-  if (reply)
-    {
-      DBusMessageIter iter, iter_struct;
-      gchar *app_name, *obj_path;
-
-      dbus_message_iter_init (reply, &iter);
-      dbus_message_iter_recurse (&iter, &iter_struct);
-      if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
-        {
-          g_warning ("AT-SPI: Could not obtain desktop path or name\n");
-          return FALSE;
-        }
-      dbus_message_iter_get_basic (&iter_struct, &app_name);
-      if (!dbus_message_iter_next (&iter_struct))
-        {
-          g_warning ("AT-SPI: Could not obtain desktop name");
-          return FALSE;
-        }
-      if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
-        {
-          g_warning ("AT-SPI: Could not obtain desktop path");
-          return FALSE;
-        }
-      dbus_message_iter_get_basic (&iter_struct, &obj_path);
-
-      app->desktop_name = g_strdup (app_name);
-      app->desktop_path = g_strdup (obj_path);
-    }
-  else
-    {
-      g_warning ("AT-SPI: Could not embed inside desktop: %s\n", error.message);
-      return FALSE;
-    }
   return TRUE;
 }
 
@@ -310,11 +404,71 @@ get_plug_id (AtkPlug * plug)
   return g_string_free (str, FALSE);
 }
 
+AtkStateSet *
+socket_ref_state_set (AtkObject *accessible)
+{
+  char *child_name, *child_path;
+  AtkSocket *socket = ATK_SOCKET (accessible);
+  int count = 0;
+  int j;
+  int v;
+  DBusMessage *message, *reply;
+  DBusMessageIter iter, iter_array;
+  AtkStateSet *set;
+
+  if (!socket->embedded_plug_id)
+    return NULL;
+
+  child_name = g_strdup (socket->embedded_plug_id);
+  if (!child_name)
+    return NULL;
+  child_path = g_utf8_strchr (child_name + 1, -1, ':');
+  if (!child_path)
+    {
+      g_free (child_name);
+      return NULL;
+    }
+  *(child_path++) = '\0';
+  message = dbus_message_new_method_call (child_name, child_path, SPI_DBUS_INTERFACE_ACCESSIBLE, "GetState");
+  g_free (child_name);
+  reply = dbus_connection_send_with_reply_and_block (spi_global_app_data->bus, message, 1, NULL);
+  dbus_message_unref (message);
+  if (reply == NULL)
+    return NULL;
+  if (strcmp (dbus_message_get_signature (reply), "au") != 0)
+    {
+      dbus_message_unref (reply);
+      return NULL;
+    }
+  set = atk_state_set_new ();
+  if (!set)
+    return  NULL;
+  dbus_message_iter_init (reply, &iter);
+  dbus_message_iter_recurse (&iter, &iter_array);
+  do
+    {
+      dbus_message_iter_get_basic (&iter_array, &v);
+      for (j = 0; j < 32; j++)
+        {
+          if (v & (1 << j))
+            {
+              AtkState state = spi_atk_state_from_spi_state ((count << 5) + j);
+              atk_state_set_add_state (set, state);
+            }
+        }
+      count++;
+    }
+  while (dbus_message_iter_next (&iter_array));
+  dbus_message_unref (reply);
+  return set;
+}
+
 static void
 socket_embed_hook (AtkSocket * socket, gchar * plug_id)
 {
   AtkObject *accessible = ATK_OBJECT(socket);
   gchar *plug_name, *plug_path;
+  AtkObjectClass *klass;
 
   /* Force registration */
   gchar *path = spi_register_object_to_path (spi_global_register, G_OBJECT (accessible));
@@ -336,6 +490,9 @@ socket_embed_hook (AtkSocket * socket, gchar * plug_id)
     }
   g_free (plug_name);
   g_free (path);
+
+  klass = ATK_OBJECT_GET_CLASS (accessible);
+  klass->ref_state_set = socket_ref_state_set;
 }
 
 static void
@@ -362,6 +519,102 @@ static GOptionEntry atspi_option_entries[] = {
   {NULL}
 };
 
+static gchar *
+introspect_children_cb (const char *path, void *data)
+{
+  if (!strcmp (path, "/org/a11y/atspi/accessible"))
+    {
+      return g_strdup ("<node name=\"root\"/>\n");
+      /* TODO: Should we place the whole hierarchy here? */
+    }
+  return NULL;
+}
+
+static void
+handle_event_listener_registered (DBusConnection *bus, DBusMessage *message,
+                                  void *user_data)
+{
+  const char *name;
+  char *sender;
+
+  if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &sender,
+    DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID))
+    return;
+
+  add_event (sender, name);
+}
+
+static void
+remove_events (const char *bus_name, const char *event)
+{
+  event_data *evdata;
+  gchar **remove_data;
+  GList *list;
+
+  remove_data = g_strsplit (event, ":", 3);
+  if (!remove_data)
+    {
+      return;
+    }
+
+  for (list = spi_global_app_data->events; list;)
+    {
+      event_data *evdata = list->data;
+      if (!g_strcmp0 (evdata->bus_name, bus_name) &&
+          spi_event_is_subtype (evdata->data, remove_data))
+        {
+          GList *events = spi_global_app_data->events;
+          list = list->next;
+          g_strfreev (evdata->data);
+          g_free (evdata->bus_name);
+          g_free (evdata);
+          spi_global_app_data->events = g_list_remove (events, evdata);
+        }
+      else
+        {
+          list = list->next;
+        }
+    }
+}
+
+static void
+handle_event_listener_deregistered (DBusConnection *bus, DBusMessage *message,
+                                    void *user_data)
+{
+  const char *orig_name;
+  gchar *name;
+  char *sender;
+
+  if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &sender,
+                              DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID))
+    return;
+
+  remove_events (sender, name);
+}
+
+static DBusHandlerResult
+signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
+{
+  const char *interface = dbus_message_get_interface (message);
+  const char *member = dbus_message_get_member (message);
+  DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+  if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_SIGNAL)
+    return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+  if (!strcmp (interface, SPI_DBUS_INTERFACE_REGISTRY))
+    {
+      result = DBUS_HANDLER_RESULT_HANDLED;
+      if (!strcmp (member, "EventListenerRegistered"))
+        handle_event_listener_registered (bus, message, user_data);
+      else if (!strcmp (member, "EventListenerDeregistered"))
+        handle_event_listener_deregistered (bus, message, user_data);
+      else
+        result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+    }
+  return result;
+}
+
 /*
  * spi_app_init
  *
@@ -378,7 +631,6 @@ adaptor_init (gint * argc, gchar ** argv[])
   GOptionContext *opt;
   GError *err = NULL;
   DBusError error;
-  DBusConnection *bus;
   AtkObject *root;
   gchar *introspection_directory;
   static gboolean inited = FALSE;
@@ -391,7 +643,12 @@ adaptor_init (gint * argc, gchar ** argv[])
   DRoutePath *treepath, *accpath;
 
   root = atk_get_root ();
-  g_return_val_if_fail (root, 0);
+  g_warn_if_fail (root);
+  if (!root)
+    {
+      inited = FALSE;
+      return -1;
+    }
 
   /* Parse command line options */
   opt = g_option_context_new (NULL);
@@ -412,7 +669,8 @@ adaptor_init (gint * argc, gchar ** argv[])
     {
       g_free (spi_global_app_data);
       spi_global_app_data = NULL;
-      return 0;
+      inited = FALSE;
+      return -1;
     }
 
   if (atspi_dbus_name != NULL)
@@ -450,17 +708,19 @@ adaptor_init (gint * argc, gchar ** argv[])
     droute_new (spi_global_app_data->bus);
 
   treepath = droute_add_one (spi_global_app_data->droute,
-                             "/org/at_spi/cache", spi_global_cache);
+                             "/org/a11y/atspi/cache", spi_global_cache);
 
   if (!treepath)
     {
       g_warning ("atk-bridge: Error in droute_add_one().  Already running?");
-      return 0;
+      return -1;
     }
 
   accpath = droute_add_many (spi_global_app_data->droute,
                              "/org/a11y/atspi/accessible",
                              NULL,
+                             introspect_children_cb,
+                             NULL,
                              (DRouteGetDatumFunction)
                              spi_global_register_path_to_object);
 
@@ -486,9 +746,16 @@ adaptor_init (gint * argc, gchar ** argv[])
   /* Register methods to send D-Bus signals on certain ATK events */
   spi_atk_register_event_listeners ();
 
+  /* Set up filter and match rules to catch signals */
+  dbus_bus_add_match (spi_global_app_data->bus, "type='signal', interface='org.a11y.atspi.Registry', sender='org.a11y.atspi.Registry'", NULL);
+  dbus_connection_add_filter (spi_global_app_data->bus, signal_filter, NULL,
+                              NULL);
+
   /* Register this app by sending a signal out to AT-SPI registry daemon */
   if (!atspi_no_register && (!root || !ATK_IS_PLUG (root)))
     register_application (spi_global_app_data);
+  else
+    get_registered_event_listeners (spi_global_app_data);
 
   g_atexit (exit_func);
 
@@ -509,6 +776,14 @@ gtk_module_init (gint * argc, gchar ** argv[])
   return 0;
 }
 
+gchar*
+g_module_check_init (GModule *module)
+{
+  g_module_make_resident (module);
+
+  return NULL;
+}
+
 void
 gnome_accessibility_module_init (void)
 {