* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
+ * Copyright 2008 Novell, Inc.
* Copyright 2001, 2002 Sun Microsystems Inc.,
* Copyright 2001, 2002 Ximian, Inc.
*
* Boston, MA 02111-1307, USA.
*/
-/* value.c : implements the Value interface */
-#include <config.h>
+#include "accessible.h"
#include <math.h>
-#include <stdio.h>
-#include <libspi/value.h>
-
-#define PARENT_TYPE SPI_TYPE_BASE
-
-/* Static function declarations */
-
-static double
-get_double_from_gvalue (GValue *gvalue);
-static void
-gvalue_set_from_double (GValue *gvalue, double value);
-static void
-spi_value_class_init (SpiValueClass *klass);
-static void
-spi_value_init (SpiValue *value);
-static double
-impl__get_minimumValue (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static double
-impl__get_maximumValue (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static double
-impl__get_currentValue (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static void
-impl__set_currentValue (PortableServer_Servant _servant,
- const CORBA_double value,
- CORBA_Environment * ev);
-static double
-impl__get_minimumIncrement (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-
-
-BONOBO_TYPE_FUNC_FULL (SpiValue,
- Accessibility_Value,
- PARENT_TYPE,
- spi_value)
-
-
-static void
-spi_value_class_init (SpiValueClass *klass)
-{
- POA_Accessibility_Value__epv *epv = &klass->epv;
-
- /* Initialize epv table */
-
- epv->_get_minimumValue = impl__get_minimumValue;
- epv->_get_maximumValue = impl__get_maximumValue;
- epv->_get_currentValue = impl__get_currentValue;
- epv->_set_currentValue = impl__set_currentValue;
- epv->_get_minimumIncrement = impl__get_minimumIncrement;
-}
-
-
-static void
-spi_value_init (SpiValue *value)
-{
-}
-
-
-SpiValue *
-spi_value_interface_new (AtkObject *obj)
-{
- SpiValue *new_value = g_object_new (SPI_VALUE_TYPE, NULL);
-
- spi_base_construct (SPI_BASE (new_value), G_OBJECT(obj));
-
- return new_value;
-}
-
static AtkValue *
-get_value_from_servant (PortableServer_Servant servant)
+get_value_from_path (const char *path, void *user_data)
{
- SpiBase *object = SPI_BASE (bonobo_object_from_servant (servant));
-
- g_return_val_if_fail (object, NULL);
- g_return_val_if_fail (ATK_IS_OBJECT(object->gobj), NULL);
- return ATK_VALUE (object->gobj);
+ AtkObject *obj = spi_dbus_get_object (path);
+ if (!obj)
+ return NULL;
+ return ATK_VALUE (obj);
}
static double
-get_double_from_gvalue (GValue *gvalue)
+get_double_from_gvalue (GValue * gvalue)
{
- double retval = 0;
+ double retval = 0;
if (G_TYPE_IS_FUNDAMENTAL (G_VALUE_TYPE (gvalue)))
{
switch (gvalue->g_type)
- {
- case G_TYPE_DOUBLE:
- retval = g_value_get_double (gvalue);
- break;
- case G_TYPE_FLOAT:
- retval = g_value_get_float (gvalue);
- break;
- case G_TYPE_ULONG:
- retval = g_value_get_ulong (gvalue);
- break;
- case G_TYPE_LONG:
- retval = g_value_get_long (gvalue);
- break;
- case G_TYPE_UINT:
- retval = g_value_get_uint (gvalue);
- break;
- case G_TYPE_INT:
- retval = g_value_get_int (gvalue);
- break;
- case G_TYPE_UCHAR:
- retval = g_value_get_uchar (gvalue);
- break;
- case G_TYPE_CHAR:
- retval = g_value_get_char (gvalue);
- break;
- case G_TYPE_BOOLEAN:
- retval = g_value_get_boolean (gvalue);
- break;
- }
+ {
+ case G_TYPE_DOUBLE:
+ retval = g_value_get_double (gvalue);
+ break;
+ case G_TYPE_FLOAT:
+ retval = g_value_get_float (gvalue);
+ break;
+ case G_TYPE_ULONG:
+ retval = g_value_get_ulong (gvalue);
+ break;
+ case G_TYPE_LONG:
+ retval = g_value_get_long (gvalue);
+ break;
+ case G_TYPE_UINT:
+ retval = g_value_get_uint (gvalue);
+ break;
+ case G_TYPE_INT:
+ retval = g_value_get_int (gvalue);
+ break;
+ case G_TYPE_UCHAR:
+ retval = g_value_get_uchar (gvalue);
+ break;
+ case G_TYPE_CHAR:
+ retval = g_value_get_char (gvalue);
+ break;
+ case G_TYPE_BOOLEAN:
+ retval = g_value_get_boolean (gvalue);
+ break;
+ }
}
else
{
- g_warning ("SpiValue requested from a non-fundamental type\n");
+ g_warning ("SpiValue requested from a non-fundamental type\n");
}
return retval;
-}
+}
+
+static gboolean
+get_double_from_variant (DBusMessageIter * iter, double *out)
+{
+ DBusMessageIter sub;
+
+ dbus_message_iter_recurse (iter, &sub);
+ switch (dbus_message_iter_get_arg_type (&sub))
+ {
+ case DBUS_TYPE_DOUBLE:
+ {
+ dbus_message_iter_get_basic (&sub, out);
+ return TRUE;
+ }
+ case DBUS_TYPE_UINT32:
+ {
+ dbus_uint32_t v;
+ dbus_message_iter_get_basic (&sub, &v);
+ *out = (double) v;
+ return TRUE;
+ }
+ case DBUS_TYPE_INT32:
+ {
+ dbus_int32_t v;
+ dbus_message_iter_get_basic (&sub, &v);
+ *out = (double) v;
+ return TRUE;
+ }
+ case DBUS_TYPE_UINT16:
+ {
+ dbus_uint16_t v;
+ dbus_message_iter_get_basic (&sub, &v);
+ *out = (double) v;
+ return TRUE;
+ }
+ case DBUS_TYPE_INT16:
+ {
+ dbus_int16_t v;
+ dbus_message_iter_get_basic (&sub, &v);
+ *out = (double) v;
+ return TRUE;
+ }
+ case DBUS_TYPE_BYTE:
+ {
+ char v;
+ dbus_message_iter_get_basic (&sub, &v);
+ *out = (double) v;
+ return TRUE;
+ }
+ case DBUS_TYPE_BOOLEAN:
+ {
+ dbus_bool_t v;
+ dbus_message_iter_get_basic (&sub, &v);
+ *out = (double) v;
+ return TRUE;
+ }
+ default:
+ return FALSE;
+ }
+}
static void
-gvalue_set_from_double (GValue *gvalue, double value)
+gvalue_set_from_double (GValue * gvalue, double value)
{
if (G_TYPE_IS_FUNDAMENTAL (G_VALUE_TYPE (gvalue)))
{
switch (gvalue->g_type)
- {
- case G_TYPE_DOUBLE:
- g_value_set_double (gvalue, value);
- break;
- case G_TYPE_FLOAT:
- g_value_set_float (gvalue, value);
- break;
- case G_TYPE_ULONG:
- g_value_set_ulong (gvalue, value);
- break;
- case G_TYPE_LONG:
- g_value_set_long (gvalue, value);
- break;
- case G_TYPE_UINT:
- g_value_set_uint (gvalue, value);
- break;
- case G_TYPE_INT:
- g_value_set_int (gvalue, value);
- break;
- case G_TYPE_UCHAR:
- g_value_set_uchar (gvalue, value);
- break;
- case G_TYPE_CHAR:
- g_value_set_char (gvalue, value);
- break;
- case G_TYPE_BOOLEAN:
- g_value_set_boolean (gvalue, ((fabs (value) > 0.5) ? 1 : 0));
- break;
- }
+ {
+ case G_TYPE_DOUBLE:
+ g_value_set_double (gvalue, value);
+ break;
+ case G_TYPE_FLOAT:
+ g_value_set_float (gvalue, value);
+ break;
+ case G_TYPE_ULONG:
+ g_value_set_ulong (gvalue, value);
+ break;
+ case G_TYPE_LONG:
+ g_value_set_long (gvalue, value);
+ break;
+ case G_TYPE_UINT:
+ g_value_set_uint (gvalue, value);
+ break;
+ case G_TYPE_INT:
+ g_value_set_int (gvalue, value);
+ break;
+ case G_TYPE_UCHAR:
+ g_value_set_uchar (gvalue, value);
+ break;
+ case G_TYPE_CHAR:
+ g_value_set_char (gvalue, value);
+ break;
+ case G_TYPE_BOOLEAN:
+ g_value_set_boolean (gvalue, ((fabs (value) > 0.5) ? 1 : 0));
+ break;
+ }
}
else
{
- g_warning ("SpiValue change requested for a non-fundamental type\n");
+ g_warning ("SpiValue change requested for a non-fundamental type\n");
}
}
-static double
-impl__get_minimumValue (PortableServer_Servant servant,
- CORBA_Environment *ev)
+static dbus_bool_t
+impl_get_minimumValue (const char *path, DBusMessageIter * iter,
+ void *user_data)
{
- GValue gvalue = {0, };
- AtkValue *value = get_value_from_servant (servant);
-
- g_return_val_if_fail (value != NULL, 0.0);
-
+ AtkValue *value = get_value_from_path (path, user_data);
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
atk_value_get_minimum_value (value, &gvalue);
-
- return get_double_from_gvalue (&gvalue);
+ return droute_return_v_double (iter, get_double_from_gvalue (&gvalue));
}
-
-static double
-impl__get_maximumValue (PortableServer_Servant servant,
- CORBA_Environment *ev)
+static char *
+impl_get_minimumValue_str (void *datum)
{
- GValue gvalue = {0, };
- AtkValue *value = get_value_from_servant (servant);
-
- g_return_val_if_fail (value != NULL, 0.0);
+ AtkValue *value = (AtkValue *) datum;
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
+ atk_value_get_minimum_value (value, &gvalue);
+ return g_strdup_printf ("%lf", get_double_from_gvalue (&gvalue));
+}
+static dbus_bool_t
+impl_get_maximumValue (const char *path, DBusMessageIter * iter,
+ void *user_data)
+{
+ AtkValue *value = get_value_from_path (path, user_data);
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
atk_value_get_maximum_value (value, &gvalue);
-
- return get_double_from_gvalue (&gvalue);
+ return droute_return_v_double (iter, get_double_from_gvalue (&gvalue));
}
+static char *
+impl_get_maximumValue_str (void *datum)
+{
+ AtkValue *value = (AtkValue *) datum;
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
+ atk_value_get_maximum_value (value, &gvalue);
+ return g_strdup_printf ("%lf", get_double_from_gvalue (&gvalue));
+}
-static double
-impl__get_currentValue (PortableServer_Servant servant,
- CORBA_Environment *ev)
+static dbus_bool_t
+impl_get_minimumIncrement (const char *path, DBusMessageIter * iter,
+ void *user_data)
{
- GValue gvalue = {0, };
- AtkValue *value = get_value_from_servant (servant);
+ AtkValue *value = get_value_from_path (path, user_data);
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
+ atk_value_get_minimum_value (value, &gvalue);
+ return droute_return_v_double (iter, get_double_from_gvalue (&gvalue));
+}
- g_return_val_if_fail (value != NULL, 0.0);
+static char *
+impl_get_minimumIncrement_str (void *datum)
+{
+ AtkValue *value = (AtkValue *) datum;
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
+ atk_value_get_minimum_value (value, &gvalue);
+ return g_strdup_printf ("%lf", get_double_from_gvalue (&gvalue));
+}
+static dbus_bool_t
+impl_get_currentValue (const char *path, DBusMessageIter * iter,
+ void *user_data)
+{
+ AtkValue *value = get_value_from_path (path, user_data);
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
atk_value_get_current_value (value, &gvalue);
-
- return get_double_from_gvalue (&gvalue);
+ return droute_return_v_double (iter, get_double_from_gvalue (&gvalue));
}
-
-static void
-impl__set_currentValue (PortableServer_Servant servant,
- const CORBA_double value,
- CORBA_Environment *ev)
+static char *
+impl_get_currentValue_str (void *datum)
{
- GValue gvalue = { 0, };
- AtkValue *avalue = get_value_from_servant (servant);
-
- g_return_if_fail (avalue != NULL);
-
- atk_value_get_current_value (avalue, &gvalue);
- gvalue_set_from_double (&gvalue, value);
-
- atk_value_set_current_value (avalue, &gvalue);
+ AtkValue *value = (AtkValue *) datum;
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
+ atk_value_get_current_value (value, &gvalue);
+ return g_strdup_printf ("%lf", get_double_from_gvalue (&gvalue));
}
-static double
-impl__get_minimumIncrement (PortableServer_Servant servant,
- CORBA_Environment *ev)
+static dbus_bool_t
+impl_set_currentValue (const char *path, DBusMessageIter * iter,
+ void *user_data)
{
- GValue gvalue = {0, };
- AtkValue *value = get_value_from_servant (servant);
-
- g_return_val_if_fail (value != NULL, 0.0);
-
- atk_value_get_minimum_increment (value, &gvalue);
-
- return get_double_from_gvalue (&gvalue);
+ AtkValue *value = get_value_from_path (path, user_data);
+ GValue gvalue = { 0, };
+ double dbl;
+
+ if (!value)
+ return FALSE;
+ if (!get_double_from_variant (iter, &dbl))
+ return FALSE;
+ atk_value_get_current_value (value, &gvalue);
+ gvalue_set_from_double (&gvalue, dbl);
+ return TRUE;
}
-
+static DRouteProperty properties[] = {
+ {impl_get_minimumValue, impl_get_minimumValue_str, NULL, NULL,
+ "minimumValue", "d"},
+ {impl_get_maximumValue, impl_get_maximumValue_str, NULL, NULL,
+ "maximumValue", "d"},
+ {impl_get_minimumIncrement, impl_get_minimumIncrement_str, NULL, NULL,
+ "minimumIncrement", "d"},
+ {impl_get_currentValue, impl_get_currentValue_str, impl_set_currentValue,
+ NULL, "currentValue", "d"},
+ {NULL, NULL, NULL, NULL, NULL, NULL}
+};
+
+void
+spi_initialize_value (DRouteData * data)
+{
+ droute_add_interface (data, "org.freedesktop.accessibility.Value", NULL,
+ properties,
+ (DRouteGetDatumFunction) get_value_from_path, NULL);
+};
projects / platform / core / uifw / at-spi2-atk.git / blobdiff