return reply;
}
+static gchar *
+get_text_for_legacy_implementations(AtkText *text,
+ gint offset,
+ AtkTextGranularity granularity,
+ gint *start_offset,
+ gint *end_offset)
+{
+ gchar *txt = 0;
+ AtkTextBoundary boundary = 0;
+ switch (granularity) {
+ case ATK_TEXT_GRANULARITY_CHAR:
+ boundary = ATK_TEXT_BOUNDARY_CHAR;
+ break;
+
+ case ATK_TEXT_GRANULARITY_WORD:
+ boundary = ATK_TEXT_BOUNDARY_WORD_START;
+ break;
+
+ case ATK_TEXT_GRANULARITY_SENTENCE:
+ boundary = ATK_TEXT_BOUNDARY_SENTENCE_START;
+ break;
+
+ case ATK_TEXT_GRANULARITY_LINE:
+ boundary = ATK_TEXT_BOUNDARY_LINE_START;
+ break;
+
+ case ATK_TEXT_GRANULARITY_PARAGRAPH:
+ /* This is not implemented in previous versions of ATK */
+ txt = g_strdup("");
+ break;
+
+ default:
+ g_assert_not_reached();
+ }
+
+ if (!txt)
+ {
+ txt =
+ atk_text_get_text_at_offset (text, offset, boundary,
+ start_offset, end_offset);
+ }
+
+ return txt;
+}
+
+static DBusMessage *
+impl_GetStringAtOffset (DBusConnection * bus, DBusMessage * message,
+ void *user_data)
+{
+ AtkText *text = (AtkText *) user_data;
+ dbus_int32_t offset;
+ dbus_uint32_t granularity;
+ gchar *txt = 0;
+ dbus_int32_t startOffset, endOffset;
+ gint intstart_offset = 0, intend_offset = 0;
+ DBusMessage *reply;
+
+ g_return_val_if_fail (ATK_IS_TEXT (user_data),
+ droute_not_yet_handled_error (message));
+ if (!dbus_message_get_args
+ (message, NULL, DBUS_TYPE_INT32, &offset, DBUS_TYPE_UINT32, &granularity,
+ DBUS_TYPE_INVALID))
+ {
+ return droute_invalid_arguments_error (message);
+ }
+
+ txt =
+ atk_text_get_string_at_offset (text, offset, (AtkTextGranularity) granularity,
+ &intstart_offset, &intend_offset);
+
+ /* Accessibility layers implementing an older version of ATK (even if
+ * a new enough version of libatk is installed) might return NULL due
+ * not to provide an implementation for get_string_at_offset(), so we
+ * try with the legacy implementation if that's the case. */
+ if (!txt)
+ txt = get_text_for_legacy_implementations(text, offset,
+ (AtkTextGranularity) granularity,
+ &intstart_offset, &intend_offset);
+
+ startOffset = intstart_offset;
+ endOffset = intend_offset;
+ txt = validate_allocated_string (txt);
+ reply = dbus_message_new_method_return (message);
+ if (reply)
+ {
+ dbus_message_append_args (reply, DBUS_TYPE_STRING, &txt,
+ DBUS_TYPE_INT32, &startOffset,
+ DBUS_TYPE_INT32, &endOffset,
+ DBUS_TYPE_INVALID);
+ }
+ g_free (txt);
+ return reply;
+}
+
static DBusMessage *
impl_GetAttributeValue (DBusConnection * bus, DBusMessage * message,
void *user_data)
{impl_GetTextBeforeOffset, "GetTextBeforeOffset"},
{impl_GetTextAtOffset, "GetTextAtOffset"},
{impl_GetTextAfterOffset, "GetTextAfterOffset"},
+ {impl_GetStringAtOffset, "GetStringAtOffset"},
{impl_GetCharacterAtOffset, "GetCharacterAtOffset"},
{impl_GetAttributeValue, "GetAttributeValue"},
{impl_GetAttributes, "GetAttributes"},