--- /dev/null
+#ifndef __MODEST_HEADER_VIEW_OBSERVER_H__
+#define __MODEST_HEADER_VIEW_OBSERVER_H__
+
+/* Copyright (c) 2006, Nokia Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the Nokia Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define MODEST_TYPE_HEADER_VIEW_OBSERVER \
+ (modest_header_view_observer_get_type ())
+
+#define MODEST_HEADER_VIEW_OBSERVER(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj), \
+ MODEST_TYPE_HEADER_VIEW_OBSERVER, \
+ ModestHeaderViewObserver))
+#define MODEST_IS_HEADER_VIEW_OBSERVER(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+ MODEST_TYPE_HEADER_VIEW_OBSERVER))
+
+#define MODEST_HEADER_VIEW_OBSERVER_GET_IFACE(inst) \
+ (G_TYPE_INSTANCE_GET_INTERFACE((inst), \
+ MODEST_TYPE_HEADER_VIEW_OBSERVER, \
+ ModestHeaderViewObserverIface))
+
+typedef struct _ModestHeaderViewObserver ModestHeaderViewObserver;
+typedef struct _ModestHeaderViewObserverIface ModestHeaderViewObserverIface;
+
+struct _ModestHeaderViewObserverIface
+{
+ GTypeInterface parent;
+
+ void (*update_func)(
+ ModestHeaderViewObserver *self,
+ GtkTreeModel *model,
+ const gchar *tny_folder_id);
+};
+
+GType modest_header_view_observer_get_type();
+
+void modest_header_view_observer_update(
+ ModestHeaderViewObserver *self,
+ GtkTreeModel *model,
+ const gchar *tny_folder_id);
+
+G_END_DECLS
+
+#endif
+