* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
- * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2008 Novell, Inc.
+ * Copyright 2001, 2002 Sun Microsystems Inc.,
+ * Copyright 2001, 2002 Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
-/* value.c : implements the Value interface */
-#include <config.h>
-#include <stdio.h>
-#include <libspi/value.h>
+#include "accessible.h"
+#include <math.h>
-#define PARENT_TYPE SPI_TYPE_BASE
-
-/* Static function declarations */
-
-static Accessibility_SValue
-gvalue_to_svalue (GValue *gvalue);
-static void
-spi_value_class_init (SpiValueClass *klass);
-static void
-spi_value_init (SpiValue *value);
-static Accessibility_SValue
-impl__get_minimumValue (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static Accessibility_SValue
-impl__get_maximumValue (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static Accessibility_SValue
-impl__get_currentValue (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static void
-impl__set_currentValue (PortableServer_Servant _servant,
- const Accessibility_SValue * value,
- 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;
-}
-
-
-static void
-spi_value_init (SpiValue *value)
+static AtkValue *
+get_value_from_path (const char *path, void *user_data)
{
+ AtkObject *obj = spi_dbus_get_object (path);
+ if (!obj || !ATK_IS_VALUE(obj))
+ return NULL;
+ return ATK_VALUE (obj);
}
-
-SpiValue *
-spi_value_interface_new (AtkObject *obj)
+static double
+get_double_from_gvalue (GValue * gvalue)
{
- SpiValue *new_value = g_object_new (SPI_VALUE_TYPE, NULL);
-
- spi_base_construct (SPI_BASE (new_value), obj);
-
- return new_value;
+ 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;
+ }
+ }
+ else
+ {
+ g_warning ("SpiValue requested from a non-fundamental type\n");
+ }
+ return retval;
}
-
-static AtkValue *
-get_value_from_servant (PortableServer_Servant servant)
+static gboolean
+get_double_from_variant (DBusMessageIter * iter, double *out)
{
- SpiBase *object = SPI_BASE (bonobo_object_from_servant (servant));
+ DBusMessageIter sub;
- if (!object)
+ dbus_message_iter_recurse (iter, &sub);
+ switch (dbus_message_iter_get_arg_type (&sub))
{
- return NULL;
+ 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;
}
-
- return ATK_VALUE (object->atko);
-}
-
-static Accessibility_SValue
-gvalue_to_svalue (GValue *gvalue)
-{
- Accessibility_SValue sval;
- if (G_VALUE_HOLDS_DOUBLE (gvalue))
- {
- sval._d = Accessibility_DOUBLEVAL;
- sval._u.val_double = g_value_get_double (gvalue);
- }
- else if (G_VALUE_HOLDS_FLOAT (gvalue))
- {
- sval._d = Accessibility_FLOATVAL;
- sval._u.val_float = g_value_get_float (gvalue);
- }
- else if (G_VALUE_HOLDS_ULONG (gvalue))
- {
- sval._d = Accessibility_ULONGVAL;
- sval._u.val_ulong = g_value_get_ulong (gvalue);
- }
- else if (G_VALUE_HOLDS_LONG (gvalue))
- {
- sval._d = Accessibility_LONGVAL;
- sval._u.val_long = g_value_get_long (gvalue);
- }
- else if (G_VALUE_HOLDS_UINT (gvalue))
- {
- sval._d = Accessibility_USHORTVAL;
- sval._u.val_ushort = CLAMP (g_value_get_uint (gvalue), 0, G_MAXUSHORT);
- }
- else if (G_VALUE_HOLDS_INT (gvalue))
- {
- sval._d = Accessibility_SHORTVAL;
- sval._u.val_short = CLAMP (g_value_get_int (gvalue), G_MINSHORT, G_MAXSHORT);
- }
- else
- {
- sval._d = Accessibility_SHORTVAL;
- sval._u.val_short = 0;
- }
- return sval;
}
static void
-gvalue_set_from_svalue (GValue *gvalue, Accessibility_SValue *sval)
+gvalue_set_from_double (GValue * gvalue, double value)
{
- switch (sval->_d)
+ 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;
+ }
+ }
+ else
{
- case Accessibility_DOUBLEVAL:
- g_value_init (gvalue, G_TYPE_DOUBLE);
- g_value_set_double (gvalue, sval->_u.val_double);
- break;
- case Accessibility_FLOATVAL:
- g_value_init (gvalue, G_TYPE_FLOAT);
- g_value_set_float (gvalue, sval->_u.val_float);
- break;
- case Accessibility_ULONGVAL:
- g_value_init (gvalue, G_TYPE_ULONG);
- g_value_set_ulong (gvalue, sval->_u.val_ulong);
- break;
- case Accessibility_LONGVAL:
- g_value_init (gvalue, G_TYPE_LONG);
- g_value_set_long (gvalue, sval->_u.val_long);
- break;
- case Accessibility_USHORTVAL:
- g_value_init (gvalue, G_TYPE_UINT);
- g_value_set_uint (gvalue, sval->_u.val_ushort);
- break;
- case Accessibility_SHORTVAL:
- g_value_init (gvalue, G_TYPE_INT);
- g_value_set_int (gvalue, sval->_u.val_short);
- break;
- default:
- g_value_init (gvalue, G_TYPE_INT);
- g_value_set_int (gvalue, 0);
+ g_warning ("SpiValue change requested for a non-fundamental type\n");
}
}
-static Accessibility_SValue
-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, gvalue_to_svalue (&gvalue));
-
- g_value_init (&gvalue, G_TYPE_DOUBLE);
+ AtkValue *value = get_value_from_path (path, user_data);
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
atk_value_get_minimum_value (value, &gvalue);
-
- return gvalue_to_svalue (&gvalue);
+ return droute_return_v_double (iter, get_double_from_gvalue (&gvalue));
}
-
-static Accessibility_SValue
-impl__get_maximumValue (PortableServer_Servant servant,
- CORBA_Environment *ev)
+static dbus_bool_t
+impl_get_maximumValue (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, gvalue_to_svalue (&gvalue));
-
- g_value_init (&gvalue, G_TYPE_DOUBLE);
+ AtkValue *value = get_value_from_path (path, user_data);
+ GValue gvalue = { 0, };
+ if (!value)
+ return FALSE;
atk_value_get_maximum_value (value, &gvalue);
-
- return gvalue_to_svalue (&gvalue);
+ return droute_return_v_double (iter, get_double_from_gvalue (&gvalue));
}
-
-static Accessibility_SValue
-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);
-
- g_return_val_if_fail (value != NULL, gvalue_to_svalue (&gvalue));
+ 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_value_init (&gvalue, G_TYPE_DOUBLE);
+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 gvalue_to_svalue (&gvalue);
+ return droute_return_v_double (iter, get_double_from_gvalue (&gvalue));
}
-
-static void
-impl__set_currentValue (PortableServer_Servant servant,
- const Accessibility_SValue *value,
- CORBA_Environment *ev)
+static dbus_bool_t
+impl_set_currentValue (const char *path, DBusMessageIter * iter,
+ void *user_data)
{
- GValue gvalue = {0, };
- AtkValue *avalue = get_value_from_servant (servant);
-
- g_return_if_fail (avalue != NULL);
-
- gvalue_set_from_svalue (&gvalue, value);
-
- atk_value_set_current_value (avalue, &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, NULL, "minimumValue"},
+ {impl_get_maximumValue, NULL, "maximumValue"},
+ {impl_get_minimumIncrement, NULL, "minimumIncrement"},
+ {impl_get_currentValue, impl_set_currentValue, "currentValue"},
+ {NULL, NULL, NULL}
+};
+void
+spi_initialize_value (DRouteData * data)
+{
+ droute_add_interface (data, "org.freedesktop.atspi.Value", NULL,
+ properties,
+ (DRouteGetDatumFunction) get_value_from_path, NULL);
+};
projects / platform / core / uifw / at-spi2-atk.git / blobdiff