X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fat-spi2-atk.git;a=blobdiff_plain;f=atk-adaptor%2Fevent.c;h=2253ec0fa6b12f9d354766051a4f6cb3a3c63be1;hp=7dc9e4546dfd11da339608a54966f464ffe5cc7a;hb=bf2e5788c56e02322e8e4b80a9be16301ffd1a49;hpb=0c6971bdf4c2c0f3e64580287cd17555c32881dd diff --git a/atk-adaptor/event.c b/atk-adaptor/event.c index 7dc9e45..2253ec0 100644 --- a/atk-adaptor/event.c +++ b/atk-adaptor/event.c @@ -23,6 +23,7 @@ */ #include +#include #include #include @@ -31,6 +32,9 @@ #include "accessible-register.h" #include "common/spi-dbus.h" +#include "event.h" +#include "object.h" +#include "dbus/dbus-glib-lowlevel.h" static GArray *listener_ids = NULL; @@ -39,38 +43,67 @@ static gint atk_bridge_focus_tracker_id; /*---------------------------------------------------------------------------*/ -#define ITF_EVENT_OBJECT "org.freedesktop.atspi.Event.Object" -#define ITF_EVENT_WINDOW "org.freedesktop.atspi.Event.Window" -#define ITF_EVENT_DOCUMENT "org.freedesktop.atspi.Event.Document" -#define ITF_EVENT_FOCUS "org.freedesktop.atspi.Event.Focus" +#define ITF_EVENT_OBJECT "org.a11y.atspi.Event.Object" +#define ITF_EVENT_WINDOW "org.a11y.atspi.Event.Window" +#define ITF_EVENT_DOCUMENT "org.a11y.atspi.Event.Document" +#define ITF_EVENT_FOCUS "org.a11y.atspi.Event.Focus" /*---------------------------------------------------------------------------*/ +typedef struct _SpiReentrantCallClosure +{ + GMainLoop *loop; + DBusMessage *reply; +} SpiReentrantCallClosure; + +static void +switch_main_context (GMainContext *cnx) +{ +/* This code won't work on dbus-glib earlier than 0.9.0 because of FDO#30574 */ + if (spi_global_app_data->app_bus_addr [0] == '\0') + return; + + GList *list; + + dbus_server_setup_with_g_main (spi_global_app_data->server, cnx); + dbus_connection_setup_with_g_main (spi_global_app_data->bus, cnx); + for (list = spi_global_app_data->direct_connections; list; list = list->next) + dbus_connection_setup_with_g_main (list->data, cnx); +} + static void set_reply (DBusPendingCall * pending, void *user_data) { - void **replyptr = (void **) user_data; + SpiReentrantCallClosure* closure = (SpiReentrantCallClosure *) user_data; - *replyptr = dbus_pending_call_steal_reply (pending); + closure->reply = dbus_pending_call_steal_reply (pending); + dbus_pending_call_unref (pending); + switch_main_context (NULL); + g_main_loop_quit (closure->loop); } static DBusMessage * send_and_allow_reentry (DBusConnection * bus, DBusMessage * message) { DBusPendingCall *pending; - DBusMessage *reply = NULL; + SpiReentrantCallClosure closure; + GMainContext *main_context; - if (!dbus_connection_send_with_reply (bus, message, &pending, -1)) + main_context = (g_getenv ("AT_SPI_CLIENT") ? NULL : + spi_global_app_data->main_context); + closure.loop = g_main_loop_new (main_context, FALSE); + switch_main_context (main_context); + + if (!dbus_connection_send_with_reply (bus, message, &pending, -1) || !pending) { + switch_main_context (NULL); return NULL; } - dbus_pending_call_set_notify (pending, set_reply, (void *) &reply, NULL); - while (!reply) - { - if (!dbus_connection_read_write_dispatch (bus, -1)) - return NULL; - } - return reply; + dbus_pending_call_set_notify (pending, set_reply, (void *) &closure, NULL); + g_main_loop_run (closure.loop); + + g_main_loop_unref (closure.loop); + return closure.reply; } /*---------------------------------------------------------------------------*/ @@ -258,6 +291,94 @@ append_object (DBusMessageIter *iter, spi_object_append_v_reference (iter, ATK_OBJECT (val)); } +static gchar * +signal_name_to_dbus (const gchar *s) +{ + gchar *ret = g_strdup (s); + gchar *t; + + if (!ret) + return NULL; + ret [0] = toupper (ret [0]); + while ((t = strchr (ret, '-')) != NULL) + { + memmove (t, t + 1, strlen (t)); + *t = toupper (*t); + } + return ret; +} + +/* + * Converts names of the form "active-descendant-changed" to + * "ActiveDescendantChanged" + */ +static gchar * +ensure_proper_format (const char *name) +{ + gchar *ret = (gchar *) g_malloc (strlen (name) * 2 + 2); + gchar *p = ret; + gboolean need_upper = TRUE; + + if (!ret) + return NULL; + while (*name) + { + if (need_upper) + { + *p++ = toupper (*name); + need_upper = FALSE; + } + else if (*name == '-') + need_upper = TRUE; + else if (*name == ':') + { + need_upper = TRUE; + *p++ = *name; + } + else + *p++ = *name; + name++; + } + *p = '\0'; + return ret; +} + +static gboolean +signal_is_needed (const gchar *klass, const gchar *major, const gchar *minor) +{ + gchar *data [4]; + GList *iter; + event_data *evdata; + gboolean ret = FALSE; + GList *list; + + if (!spi_global_app_data->events_initialized) + return TRUE; + + data [0] = ensure_proper_format (klass + 21); + data [1] = ensure_proper_format (major); + data [2] = ensure_proper_format (minor); + data [3] = NULL; + + /* Hack: events such as "object::text-changed::insert:system" as + generated by Gecko */ + data [2][strcspn (data [2], ":")] = '\0'; + for (list = spi_global_app_data->events; list; list = list->next) + { + evdata = list->data; + if (spi_event_is_subtype (data, evdata->data)) + { + ret = TRUE; + break; + } + } + + g_free (data [2]); + g_free (data [1]); + g_free (data [0]); + return ret; +} + /* * Emits an AT-SPI event. * AT-SPI events names are split into three parts: @@ -280,8 +401,7 @@ emit_event (AtkObject *obj, void (*append_variant) (DBusMessageIter *, const char *, const void *)) { DBusConnection *bus = spi_global_app_data->bus; - const char *path = spi_register_object_to_path (spi_global_register, - G_OBJECT (obj)); + const char *path; gchar *cname, *t; DBusMessage *sig; @@ -292,27 +412,35 @@ emit_event (AtkObject *obj, if (!minor) minor = ""; if (!type) type = "u"; + if (!signal_is_needed (klass, major, minor)) + return; + + path = spi_register_object_to_path (spi_global_register, G_OBJECT (obj)); + /* * This is very annoying, but as '-' isn't a legal signal * name in D-Bus (Why not??!?) The names need converting * on this side, and again on the client side. */ - cname = g_strdup(major); - while ((t = strchr(cname, '-')) != NULL) *t = '_'; + cname = signal_name_to_dbus (major); sig = dbus_message_new_signal(path, klass, cname); - g_free(cname); dbus_message_iter_init_append(sig, &iter); - spi_object_append_reference (&iter, spi_global_app_data->root); dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor); dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1); dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2); - append_variant (&iter, type, val); + spi_object_append_reference (&iter, spi_global_app_data->root); dbus_connection_send(bus, sig, NULL); dbus_message_unref(sig); + + if (g_strcmp0 (cname, "ChildrenChanged") != 0) + spi_object_lease_if_needed (G_OBJECT (obj)); + + g_free(cname); + g_free (path); } /*---------------------------------------------------------------------------*/ @@ -330,7 +458,7 @@ focus_tracker (AtkObject * accessible) /*---------------------------------------------------------------------------*/ -#define PCHANGE "property-change" +#define PCHANGE "PropertyChange" /* * This handler handles the following ATK signals and @@ -369,21 +497,27 @@ property_event_listener (GSignalInvocationHint * signal_hint, emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0, DBUS_TYPE_STRING_AS_STRING, s1, append_basic); } - if (strcmp (pname, "accessible-description") == 0) + else if (strcmp (pname, "accessible-description") == 0) { s1 = atk_object_get_description (accessible); if (s1 != NULL) emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0, DBUS_TYPE_STRING_AS_STRING, s1, append_basic); } - if (strcmp (pname, "accessible-parent") == 0) + else if (strcmp (pname, "accessible-parent") == 0) { otemp = atk_object_get_parent (accessible); if (otemp != NULL) emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0, "(so)", otemp, append_object); } - if (strcmp (pname, "accessible-table-summary") == 0) + else if (strcmp (pname, "accessible-role") == 0) + { + i = atk_object_get_role (accessible); + emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0, + DBUS_TYPE_UINT32_AS_STRING, GINT_TO_POINTER(i), append_basic); + } + else if (strcmp (pname, "accessible-table-summary") == 0) { otemp = atk_table_get_summary (ATK_TABLE (accessible)); if (otemp != NULL) @@ -575,7 +709,6 @@ active_descendant_event_listener (GSignalInvocationHint * signal_hint, AtkObject *child; GSignalQuery signal_query; const gchar *name, *minor; - gchar *s; gint detail1; g_signal_query (signal_hint->signal_id, &signal_query); @@ -590,7 +723,6 @@ active_descendant_event_listener (GSignalInvocationHint * signal_hint, emit_event (accessible, ITF_EVENT_OBJECT, name, "", detail1, 0, "(so)", child, append_object); - g_free (s); return TRUE; } @@ -701,9 +833,82 @@ text_selection_changed_event_listener (GSignalInvocationHint * signal_hint, /*---------------------------------------------------------------------------*/ /* + * Children changed signal converter and forwarder. + * + * Klass (Interface) org.a11y.atspi.Event.Object + * Major is the signal name. + * Minor is 'add' or 'remove' + * detail1 is the index. + * detail2 is 0. + * any_data is the child reference. + */ +static gboolean +children_changed_event_listener (GSignalInvocationHint * signal_hint, + guint n_param_values, + const GValue * param_values, gpointer data) +{ + GSignalQuery signal_query; + const gchar *name, *minor; + gint detail1, detail2 = 0; + + AtkObject *accessible, *ao=NULL; + gpointer child; + + g_signal_query (signal_hint->signal_id, &signal_query); + name = signal_query.signal_name; + + accessible = ATK_OBJECT (g_value_get_object (¶m_values[0])); + minor = g_quark_to_string (signal_hint->detail); + + detail1 = g_value_get_uint (param_values + 1); + child = g_value_get_pointer (param_values + 2); + + if (ATK_IS_OBJECT (child)) + { + ao = ATK_OBJECT (child); + emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, detail2, + "(so)", ao, append_object); + } + else if ((minor != NULL) && (strcmp (minor, "add") == 0)) + { + ao = atk_object_ref_accessible_child (accessible, + detail1); + emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, detail2, + "(so)", ao, append_object); + } + else + { + emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, detail2, + "(so)", ao, append_object); + } + + return TRUE; +} + +/*---------------------------------------------------------------------------*/ + +static void +toplevel_added_event_listener (AtkObject * accessible, + guint index, AtkObject * child) +{ + emit_event (accessible, ITF_EVENT_OBJECT, "children-changed", "add", index, 0, + "(so)", child, append_object); +} + +static void +toplevel_removed_event_listener (AtkObject * accessible, + guint index, AtkObject * child) +{ + emit_event (accessible, ITF_EVENT_OBJECT, "children-changed", "remove", index, 0, + "(so)", child, append_object); +} + +/*---------------------------------------------------------------------------*/ + +/* * Generic signal converter and forwarder. * - * Klass (Interface) org.freedesktop.atspi.Event.Object + * Klass (Interface) org.a11y.atspi.Event.Object * Major is the signal name. * Minor is NULL. * detail1 is 0. @@ -820,6 +1025,20 @@ spi_atk_register_event_listeners (void) add_signal_listener (generic_event_listener, "Gtk:AtkTable:column-deleted"); add_signal_listener (generic_event_listener, "Gtk:AtkTable:model-changed"); + /* Children signal listeners */ + atk_add_global_event_listener (children_changed_event_listener, + "Gtk:AtkObject:children-changed"); + +#if 0 + g_signal_connect (G_OBJECT (spi_global_app_data->root), + "children-changed::add", + (GCallback) toplevel_added_event_listener, NULL); + + g_signal_connect (G_OBJECT (spi_global_app_data->root), + "children-changed::remove", + (GCallback) toplevel_removed_event_listener, NULL); +#endif + /* * May add the following listeners to implement preemptive key listening for GTK+ * @@ -895,4 +1114,17 @@ spi_atk_tidy_windows (void) } } +gboolean +spi_event_is_subtype (gchar **needle, gchar **haystack) +{ + while (*haystack && **haystack) + { + if (g_strcmp0 (*needle, *haystack)) + return FALSE; + needle++; + haystack++; + } + return TRUE; +} + /*END------------------------------------------------------------------------*/