2001-06-06 Padraig O'Briain <padraig.obriain@sun.com>
+ * New files atk/atkstreamablecontent.[ch]
+ Updated files: atk/Makefile.am, atk/atk.h
+ * atk/atkvalue.c: Updated comments
+
+2001-06-06 Padraig O'Briain <padraig.obriain@sun.com>
+
* atk/atkregistry.h: Add declaration for atk_registry_get_type()
2001-06-05 Padraig O'Briain <padraig.obriain@sun.com>
atkselection.c \
atkstate.c \
atkstateset.c \
+ atkstreamablecontent.c \
atktable.c \
atktext.c \
atkutil.c \
atkselection.h \
atkstate.h \
atkstateset.h \
+ atkstreamablecontent.h \
atktable.h \
atktext.h \
atkutil.h \
#include <atk/atkselection.h>
#include <atk/atkstate.h>
#include <atk/atkstateset.h>
+#include <atk/atkstreamablecontent.h>
#include <atk/atktable.h>
#include <atk/atktext.h>
#include <atk/atkutil.h>
--- /dev/null
+/* ATK - Accessibility Toolkit
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "atkstreamablecontent.h"
+
+GType
+atk_streamable_content_get_type ()
+{
+ static GType type = 0;
+
+ if (!type) {
+ GTypeInfo tinfo =
+ {
+ sizeof (AtkStreamableContentIface),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+
+ };
+
+ type = g_type_register_static (G_TYPE_INTERFACE, "AtkStreamableContent", &tinfo, 0);
+ }
+
+ return type;
+}
+
+/**
+ * atk_streamable_content_get_n_mime_types:
+ * @obj: a GObject instance that implements AtkStreamableContentIface
+ *
+ * Gets the number of mime types supported by this object.
+ *
+ * Returns: a gint which is the number of mime types supported by the object.
+ **/
+gint
+atk_streamable_content_get_n_mime_types (AtkStreamableContent *obj)
+{
+ AtkStreamableContentIface *iface;
+
+ g_return_val_if_fail (obj != NULL, 0);
+ g_return_val_if_fail (ATK_IS_STREAMABLE_CONTENT (obj), 0);
+
+ iface = ATK_STREAMABLE_CONTENT_GET_IFACE (obj);
+
+ if (iface->get_n_mime_types)
+ return (iface->get_n_mime_types) (obj);
+ else
+ return 0;
+}
+
+/**
+ * atk_streamable_content_get_mime_type:
+ * @obj: a GObject instance that implements AtkStreamableContent
+ * @i: a gint representing the position of the mime type starting from 0
+ *
+ * Gets the character string of the specified mime type. The first mime
+ * type is at position 0, the second at position1, and so on.
+ *
+ * Returns : a gchar* respresenting the specified mime type; the caller
+ * should not free the character string.
+ **/
+G_CONST_RETURN gchar*
+atk_streamable_content_get_mime_type (AtkStreamableContent *obj,
+ gint i)
+{
+ AtkStreamableContentIface *iface;
+
+ g_return_val_if_fail (obj != NULL, NULL);
+ g_return_val_if_fail (i >= 0, NULL);
+ g_return_val_if_fail (ATK_IS_STREAMABLE_CONTENT (obj), NULL);
+
+ iface = ATK_STREAMABLE_CONTENT_GET_IFACE (obj);
+
+ if (iface->get_mime_type)
+ return (iface->get_mime_type) (obj, i);
+ else
+ return NULL;
+}
+
+/**
+ * atk_streamable_content_get_stream:
+ * @obj: a GObject instance that implements AtkStreamableContentIface
+ * @mime_type: a gchar* representing the mime type
+ *
+ * Gets the content in the specified mime type
+ *
+ * Returns: A #GIOChannel which contains the content in the specified mime
+ * type.
+ **/
+GIOChannel*
+atk_streamable_content_get_stream (AtkStreamableContent *obj,
+ const gchar *mime_type)
+{
+ AtkStreamableContentIface *iface;
+
+ g_return_val_if_fail (obj != NULL, NULL);
+ g_return_val_if_fail (mime_type != NULL, NULL);
+ g_return_val_if_fail (ATK_IS_STREAMABLE_CONTENT (obj), NULL);
+
+ iface = ATK_STREAMABLE_CONTENT_GET_IFACE (obj);
+
+ if (iface->get_stream)
+ return (iface->get_stream) (obj, mime_type);
+ else
+ return NULL;
+}
--- /dev/null
+/* ATK - Accessibility Toolkit
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __ATK_STREAMABLE_CONTENT_H__
+#define __ATK_STREAMABLE_CONTENT_H__
+
+#include <atk/atkobject.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define ATK_TYPE_STREAMABLE_CONTENT (atk_streamable_content_get_type ())
+#define ATK_IS_STREAMABLE_CONTENT(obj) G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_STREAMABLE_CONTENT)
+#define ATK_STREAMABLE_CONTENT(obj) G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_STREAMABLE_CONTENT, AtkStreamableContent)
+#define ATK_STREAMABLE_CONTENT_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_STREAMABLE_CONTENT, AtkStreamableContentIface))
+
+#ifndef _TYPEDEF_ATK_STREAMABLE_CONTENT
+#define _TYPEDEF_ATK_STREAMABLE_CONTENT
+typedef struct _AtkStreamableContent AtkStreamableContent;
+#endif
+typedef struct _AtkStreamableContentIface AtkStreamableContentIface;
+
+struct _AtkStreamableContentIface
+{
+ GTypeInterface parent;
+
+ /*
+ * Get the number of mime types supported by this object
+ */
+ gint (* get_n_mime_types) (AtkStreamableContent *streamable);
+ /*
+ * Gets the specified mime type supported by this object.
+ * The mime types are 0-based so the dirst mime type is
+ * at index 0, the second at index 1 and so on.
+ *
+ * This assumes that the strings for the mime types are stored in the
+ * AtkStreamableContent. Alternatively the G_CONST_RETURN could be removed
+ * and the caller would be responsible for calling g_free() on the
+ * returned value.
+ */
+ G_CONST_RETURN gchar* (* get_mime_type) (AtkStreamableContent *streamable,
+ gint i);
+ /*
+ * Is one possible implementation for this method that it constructs the
+ * content appropriate for the mime type and then creates a temporary
+ * file containing the content, opens the file and then calls
+ * g_io_channel_unix_new_fd().
+ */
+ GIOChannel* (* get_stream) (AtkStreamableContent *streamable,
+ const gchar *mime_type);
+
+};
+GType atk_streamable_content_get_type (void);
+
+gint atk_streamable_content_get_n_mime_types (AtkStreamableContent *streamable);
+
+G_CONST_RETURN gchar* atk_streamable_content_get_mime_type (AtkStreamableContent *streamable,
+ gint i);
+GIOChannel* atk_streamable_content_get_stream (AtkStreamableContent *streamable,
+ const gchar *mime_type);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __ATK_STREAMABLE_CONTENT_H__ */
* @value: a #GValue representing the current accessible value
*
* Gets the value of this object
- * Note: callers should not rely on %NULL or on a zero value for
- * indication of whether AtkValue is implemented, they should
- * use type checking/interface checking macros or the
- * atk_get_accessible_value() convenience method.
**/
void
atk_value_get_current_value (AtkValue *obj,
* @value: a #GValue representing the maximum accessible value
*
* Gets the maximum value of this object
- * Note: callers should not rely on %NULL or on a zero value for
- * indication of whether AtkValue is implemented, they should
- * use type checking/interface checking macros or the
- * atk_get_accessible_value() convenience method.
**/
void
atk_value_get_maximum_value (AtkValue *obj,
* @obj: a GObject instance that implements AtkValueIface
* @value: a #GValue representing the minimum accessible value
*
- * Gets the mimnimum value of this object
- * Note: callers should not rely on %NULL or on a zero value for
- * indication of whether AtkValue is implemented, they should
- * use type checking/interface checking macros or the
- * atk_get_accessible_value() convenience method.
+ * Gets the minimum value of this object
**/
void
atk_value_get_minimum_value (AtkValue *obj,
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