Moved here from shell/, since they are now used only by the components,

	* e-activity-handler.c:
	* e-activity-handler.h:
	* e-task-bar.c:
	* e-task-bar.h:
	* e-task-widget.c:
	* e-task-widget.h: Moved here from shell/, since they are now used
	only by the components, not the shell itself.

	* Makefile.am (widgetsinclude_HEADERS,
	libemiscwidgets_la_SOURCES): add new files

svn path=/trunk/; revision=24586

8 files changed, 1165 insertions, 4 deletions

diff --git a/widgets/misc/ChangeLog b/widgets/misc/ChangeLog
index 1d1e6af08c..ba42818801 100644
--- a/widgets/misc/ChangeLog
+++ b/widgets/misc/ChangeLog
@@ -1,3 +1,16 @@
+2004-02-03  Dan Winship  <danw@ximian.com>
+
+	* e-activity-handler.c: 
+	* e-activity-handler.h: 
+	* e-task-bar.c: 
+	* e-task-bar.h: 
+	* e-task-widget.c: 
+	* e-task-widget.h: Moved here from shell/, since they are now used
+	only by the components, not the shell itself.
+
+	* Makefile.am (widgetsinclude_HEADERS,
+	libemiscwidgets_la_SOURCES): add new files
+
 2004-02-02  Chris Toshok  <toshok@ximian.com>
 
 	* e-image-chooser.c (set_image_from_data): set
diff --git a/widgets/misc/Makefile.am b/widgets/misc/Makefile.am
index 9db2180be2..25cce4416e 100644
--- a/widgets/misc/Makefile.am
+++ b/widgets/misc/Makefile.am
@@ -1,9 +1,5 @@
-# FIXME we use the EClippedLabel widget from EShortcutBar.  Probably
-# it should be moved somewhere else.
-
 INCLUDES =								\
 	-I$(top_srcdir)							\
-	-I$(top_srcdir)/widgets/shortcut-bar				\
 	-I$(top_srcdir)/a11y/widgets/					\
 	-DMAP_DIR=\""$(imagesdir)"\"					\
 	-DG_LOG_DOMAIN=__FILE__						\
@@ -15,6 +11,7 @@ privlib_LTLIBRARIES =	\
 widgetsincludedir = $(privincludedir)/widgets
 
 widgetsinclude_HEADERS =			\
+	e-activity-handler.h			\
 	e-calendar.h				\
 	e-calendar-item.h			\
 	e-cell-date-edit.h			\
@@ -34,12 +31,15 @@ widgetsinclude_HEADERS =			\
 	e-search-bar.h				\
 	e-source-option-menu.h			\
 	e-source-selector.h			\
+	e-task-bar.h				\
+	e-task-widget.h				\
 	e-title-bar.h				\
 	e-url-entry.h
 
 libemiscwidgets_la_SOURCES =			\
 	$(MARSHAL_GENERATED)			\
 	$(widgetsinclude_HEADERS)		\
+	e-activity-handler.c			\
 	e-calendar.c				\
 	e-calendar-item.c			\
 	e-cell-date-edit.c			\
@@ -59,6 +59,8 @@ libemiscwidgets_la_SOURCES =			\
 	e-search-bar.c				\
 	e-source-option-menu.c			\
 	e-source-selector.c			\
+	e-task-bar.c				\
+	e-task-widget.c				\
 	e-title-bar.c				\
 	e-url-entry.c
 
diff --git a/widgets/misc/e-activity-handler.c b/widgets/misc/e-activity-handler.c
new file mode 100644
index 0000000000..d64bcd8f6e
--- /dev/null
+++ b/widgets/misc/e-activity-handler.c
@@ -0,0 +1,420 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-activity-handler.c
+ *
+ * Copyright (C) 2001, 2002, 2003 Novell, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-activity-handler.h"
+
+#include <gtk/gtksignal.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include <libgnome/gnome-i18n.h>
+#include <libgnomeui/gnome-popup-menu.h>
+
+#include <gal/util/e-util.h>
+#include <gal/widgets/e-popup-menu.h>
+
+
+#define PARENT_TYPE G_TYPE_OBJECT
+static GObjectClass *parent_class = NULL;
+
+
+#define ICON_SIZE 16
+
+
+struct _ActivityInfo {
+	char *component_id;
+	GdkPixbuf *icon_pixbuf;
+	guint id;
+	char *information;
+	gboolean cancellable;
+	double progress;
+	GtkWidget *menu;
+};
+typedef struct _ActivityInfo ActivityInfo;
+
+struct _EActivityHandlerPrivate {
+	uint next_activity_id;
+	GList *activity_infos;
+	GSList *task_bars;
+};
+
+
+/* Utility functions.  */
+
+static unsigned int
+get_new_activity_id (EActivityHandler *activity_handler)
+{
+	EActivityHandlerPrivate *priv;
+
+	priv = activity_handler->priv;
+
+	return priv->next_activity_id ++;
+}
+
+static GList *
+lookup_activity (GList *list,
+		 guint activity_id,
+		 int *order_number_return)
+{
+	GList *p;
+	int i;
+
+	for (p = list, i = 0; p != NULL; p = p->next, i ++) {
+		ActivityInfo *activity_info;
+
+		activity_info = (ActivityInfo *) p->data;
+		if (activity_info->id == activity_id) {
+			*order_number_return = i;
+			return p;
+		}
+	}
+
+	*order_number_return = -1;
+	return NULL;
+}
+
+
+/* ETaskWidget actions.  */
+
+static int
+task_widget_button_press_event_callback (GtkWidget *widget,
+					 GdkEventButton *button_event,
+					 void *data)
+{
+	ActivityInfo *activity_info;
+
+	activity_info = (ActivityInfo *) data;
+
+	if (button_event->button == 3)
+		return activity_info->cancellable;
+
+	if (button_event->button != 1)
+		return FALSE;
+
+	return TRUE;
+}
+
+
+/* Creating and destroying ActivityInfos.  */
+
+static ActivityInfo *
+activity_info_new (const char *component_id,
+		   guint id,
+		   GdkPixbuf *icon,
+		   const char *information,
+		   gboolean cancellable)
+{
+	ActivityInfo *info;
+
+	info = g_new (ActivityInfo, 1);
+	info->component_id   = g_strdup (component_id);
+	info->id             = id;
+	info->icon_pixbuf    = g_object_ref (icon);
+	info->information    = g_strdup (information);
+	info->cancellable    = cancellable;
+	info->progress       = -1.0; /* (Unknown) */
+	info->menu           = NULL;
+
+	return info;
+}
+
+static void
+activity_info_free (ActivityInfo *info)
+{
+	g_free (info->component_id);
+
+	g_object_unref (info->icon_pixbuf);
+	g_free (info->information);
+
+	if (info->menu != NULL)
+		gtk_widget_destroy (info->menu);
+
+	g_free (info);
+}
+
+static ETaskWidget *
+task_widget_new_from_activity_info (ActivityInfo *activity_info)
+{
+	GtkWidget *widget;
+
+	widget = e_task_widget_new (activity_info->icon_pixbuf,
+				    activity_info->component_id,
+				    activity_info->information);
+	gtk_widget_show (widget);
+
+	g_signal_connect (widget, "button_press_event",
+			  G_CALLBACK (task_widget_button_press_event_callback),
+			  activity_info);
+
+	return E_TASK_WIDGET (widget);
+}
+
+
+/* Task Bar handling.  */
+
+static void
+setup_task_bar (EActivityHandler *activity_handler,
+		ETaskBar *task_bar)
+{
+	EActivityHandlerPrivate *priv;
+	GList *p;
+
+	priv = activity_handler->priv;
+
+	for (p = g_list_last (priv->activity_infos); p != NULL; p = p->prev) {
+		e_task_bar_prepend_task (task_bar,
+					 task_widget_new_from_activity_info ((ActivityInfo *) p->data));
+	}
+}
+
+static void
+task_bar_destroy_notify (void *data,
+			 GObject *task_bar_instance)
+{
+	EActivityHandler *activity_handler;
+	EActivityHandlerPrivate *priv;
+
+	activity_handler = E_ACTIVITY_HANDLER (data);
+	priv = activity_handler->priv;
+
+	priv->task_bars = g_slist_remove (priv->task_bars, task_bar_instance);
+}
+
+
+/* GObject methods.  */
+
+static void
+impl_dispose (GObject *object)
+{
+	EActivityHandler *handler;
+	EActivityHandlerPrivate *priv;
+	GList *p;
+	GSList *sp;
+
+	handler = E_ACTIVITY_HANDLER (object);
+	priv = handler->priv;
+
+	for (p = priv->activity_infos; p != NULL; p = p->next) {
+		ActivityInfo *info;
+
+		info = (ActivityInfo *) p->data;
+		activity_info_free (info);
+	}
+
+	g_list_free (priv->activity_infos);
+	priv->activity_infos = NULL;
+
+	for (sp = priv->task_bars; sp != NULL; sp = sp->next)
+		g_object_weak_unref (G_OBJECT (sp->data), task_bar_destroy_notify, sp->data);
+	priv->task_bars = NULL;
+
+	(* G_OBJECT_CLASS (parent_class)->dispose) (object);
+}
+
+static void
+impl_finalize (GObject *object)
+{
+	EActivityHandler *handler;
+	EActivityHandlerPrivate *priv;
+
+	handler = E_ACTIVITY_HANDLER (object);
+	priv = handler->priv;
+
+	g_free (priv);
+
+	(* G_OBJECT_CLASS (parent_class)->finalize) (object);
+}
+
+
+/* GTK+ type stuff.  */
+
+static void
+class_init (GObjectClass *object_class)
+{
+	parent_class = g_type_class_ref(PARENT_TYPE);
+
+	object_class->dispose  = impl_dispose;
+	object_class->finalize = impl_finalize;
+}
+
+static void
+init (EActivityHandler *activity_handler)
+{
+	EActivityHandlerPrivate *priv;
+
+	priv = g_new (EActivityHandlerPrivate, 1);
+	priv->next_activity_id = 1;
+	priv->activity_infos   = NULL;
+	priv->task_bars        = NULL;
+
+	activity_handler->priv = priv;
+}
+
+
+EActivityHandler *
+e_activity_handler_new (void)
+{
+	return g_object_new (e_activity_handler_get_type (), 0);
+}
+
+void
+e_activity_handler_set_message (EActivityHandler *activity_handler,
+				const char       *message)
+{
+	EActivityHandlerPrivate *priv;
+	GSList *i;
+
+	priv = activity_handler->priv;
+
+	for (i = priv->task_bars; i; i = i->next)
+		e_task_bar_set_message (E_TASK_BAR (i->data), message);
+}
+
+void
+e_activity_handler_unset_message (EActivityHandler *activity_handler)
+{
+	EActivityHandlerPrivate *priv;
+	GSList *i;
+
+	priv = activity_handler->priv;
+
+	for (i = priv->task_bars; i; i = i->next)
+		e_task_bar_unset_message (E_TASK_BAR (i->data));
+}
+
+void
+e_activity_handler_attach_task_bar (EActivityHandler *activity_handler,
+				    ETaskBar *task_bar)
+{
+	EActivityHandlerPrivate *priv;
+
+	g_return_if_fail (activity_handler != NULL);
+	g_return_if_fail (E_IS_ACTIVITY_HANDLER (activity_handler));
+	g_return_if_fail (task_bar != NULL);
+	g_return_if_fail (E_IS_TASK_BAR (task_bar));
+
+	priv = activity_handler->priv;
+
+	g_object_weak_ref (G_OBJECT (task_bar), task_bar_destroy_notify, activity_handler);
+
+	priv->task_bars = g_slist_prepend (priv->task_bars, task_bar);
+
+	setup_task_bar (activity_handler, task_bar);
+}
+
+/* CORBA methods.  */
+
+guint
+e_activity_handler_operation_started (EActivityHandler *activity_handler,
+				      const char *component_id,
+				      GdkPixbuf *icon_pixbuf,
+				      const char *information,
+				      gboolean cancellable)
+{
+	EActivityHandlerPrivate *priv;
+	ActivityInfo *activity_info;
+	unsigned int activity_id;
+	GSList *p;
+
+	priv = activity_handler->priv;
+
+	activity_id = get_new_activity_id (activity_handler);
+
+	activity_info = activity_info_new (component_id, activity_id, icon_pixbuf, information, cancellable);
+
+	for (p = priv->task_bars; p != NULL; p = p->next) {
+		e_task_bar_prepend_task (E_TASK_BAR (p->data),
+					 task_widget_new_from_activity_info (activity_info));
+	}
+
+	priv->activity_infos = g_list_prepend (priv->activity_infos, activity_info);
+
+	return activity_id;
+}
+
+void
+e_activity_handler_operation_progressing (EActivityHandler *activity_handler,
+					  guint activity_id,
+					  const char *information,
+					  double progress)
+{
+	EActivityHandlerPrivate *priv = activity_handler->priv;
+	ActivityInfo *activity_info;
+	GList *p;
+	GSList *sp;
+	int order_number;
+
+	p = lookup_activity (priv->activity_infos, activity_id, &order_number);
+	if (p == NULL) {
+		g_warning ("EActivityHandler: unknown operation %d", activity_id);
+		return;
+	}
+
+	activity_info = (ActivityInfo *) p->data;
+
+	g_free (activity_info->information);
+	activity_info->information = g_strdup (information);
+
+	activity_info->progress = progress;
+
+	for (sp = priv->task_bars; sp != NULL; sp = sp->next) {
+		ETaskBar *task_bar;
+		ETaskWidget *task_widget;
+
+		task_bar = E_TASK_BAR (sp->data);
+		task_widget = e_task_bar_get_task_widget (task_bar, order_number);
+
+		e_task_widget_update (task_widget, information, progress);
+	}
+}
+
+void
+e_activity_handler_operation_finished (EActivityHandler *activity_handler,
+				       guint activity_id)
+{
+	EActivityHandlerPrivate *priv = activity_handler->priv;
+	GList *p;
+	GSList *sp;
+	int order_number;
+
+	p = lookup_activity (priv->activity_infos, activity_id, &order_number);
+	if (p == NULL) {
+		g_warning ("e_activity_handler_operation_finished: Unknown activity %d\n", activity_id);
+		return;
+	}
+
+	activity_info_free ((ActivityInfo *) p->data);
+	priv->activity_infos = g_list_remove_link (priv->activity_infos, p);
+
+	for (sp = priv->task_bars; sp != NULL; sp = sp->next) {
+		ETaskBar *task_bar;
+
+		task_bar = E_TASK_BAR (sp->data);
+		e_task_bar_remove_task (task_bar, order_number);
+	}
+}
+
+
+E_MAKE_TYPE (e_activity_handler, "EActivityHandler", EActivityHandler, class_init, init, PARENT_TYPE)
diff --git a/widgets/misc/e-activity-handler.h b/widgets/misc/e-activity-handler.h
new file mode 100644
index 0000000000..b3fe4e386d
--- /dev/null
+++ b/widgets/misc/e-activity-handler.h
@@ -0,0 +1,88 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-activity-handler.h
+ *
+ * Copyright (C) 2001, 2002, 2003 Novell, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifndef _E_ACTIVITY_HANDLER_H_
+#define _E_ACTIVITY_HANDLER_H_
+
+#include "e-task-bar.h"
+
+#include <glib-object.h>
+
+#ifdef __cplusplus
+extern "C" {
+#pragma }
+#endif /* __cplusplus */
+
+#define E_TYPE_ACTIVITY_HANDLER			(e_activity_handler_get_type ())
+#define E_ACTIVITY_HANDLER(obj)			(GTK_CHECK_CAST ((obj), E_TYPE_ACTIVITY_HANDLER, EActivityHandler))
+#define E_ACTIVITY_HANDLER_CLASS(klass)		(GTK_CHECK_CLASS_CAST ((klass), E_TYPE_ACTIVITY_HANDLER, EActivityHandlerClass))
+#define E_IS_ACTIVITY_HANDLER(obj)		(GTK_CHECK_TYPE ((obj), E_TYPE_ACTIVITY_HANDLER))
+#define E_IS_ACTIVITY_HANDLER_CLASS(klass)	(GTK_CHECK_CLASS_TYPE ((obj), E_TYPE_ACTIVITY_HANDLER))
+
+
+typedef struct _EActivityHandler        EActivityHandler;
+typedef struct _EActivityHandlerPrivate EActivityHandlerPrivate;
+typedef struct _EActivityHandlerClass   EActivityHandlerClass;
+
+struct _EActivityHandler {
+	GObject parent;
+
+	EActivityHandlerPrivate *priv;
+};
+
+struct _EActivityHandlerClass {
+	GObjectClass parent_class;
+};
+
+
+GtkType  e_activity_handler_get_type  (void);
+
+EActivityHandler *e_activity_handler_new  (void);
+
+void  e_activity_handler_attach_task_bar  (EActivityHandler *activity_hanlder,
+					   ETaskBar         *task_bar);
+
+void  e_activity_handler_set_message   (EActivityHandler *activity_handler,
+				        const char       *message);
+
+void  e_activity_handler_unset_message (EActivityHandler *activity_handler);
+
+guint  e_activity_handler_operation_started  (EActivityHandler *activity_handler,
+					      const char       *component_id,
+					      GdkPixbuf        *icon_pixbuf,
+					      const char       *information,
+					      gboolean          cancellable);
+
+void  e_activity_handler_operation_progressing  (EActivityHandler *activity_handler,
+						 guint             activity_id,
+						 const char       *information,
+						 double            progress);
+
+void  e_activity_handler_operation_finished  (EActivityHandler *activity_handler,
+					      guint             activity_id);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _E_ACTIVITY_HANDLER_H_ */
diff --git a/widgets/misc/e-task-bar.c b/widgets/misc/e-task-bar.c
new file mode 100644
index 0000000000..6f20d11505
--- /dev/null
+++ b/widgets/misc/e-task-bar.c
@@ -0,0 +1,232 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-task-bar.c
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-task-bar.h"
+
+#include <gal/util/e-util.h>
+#include "widgets/misc/e-clipped-label.h"
+
+
+struct _ETaskBarPrivate
+{
+	EClippedLabel *message_label;
+	GtkHBox  *hbox;
+};
+
+#define PARENT_TYPE gtk_hbox_get_type ()
+static GtkHBoxClass *parent_class = NULL;
+
+
+/* WARNING: Ugly hack starts here.  */
+
+#define MAX_ACTIVITIES_PER_COMPONENT 2
+
+static void
+reduce_displayed_activities_per_component (ETaskBar *task_bar)
+{
+	GHashTable *component_ids_hash;
+	GtkBox *box;
+	GList *p;
+
+	component_ids_hash = g_hash_table_new (g_str_hash, g_str_equal);
+
+	box = GTK_BOX (task_bar->priv->hbox);
+
+	for (p = box->children; p != NULL; p = p->next) {
+		GtkBoxChild *child;
+		const char *component_id;
+		void *hash_item;
+
+		child = (GtkBoxChild *) p->data;
+		component_id = e_task_widget_get_component_id (E_TASK_WIDGET (child->widget));
+
+		hash_item = g_hash_table_lookup (component_ids_hash, component_id);
+
+		if (hash_item == NULL) {
+			gtk_widget_show (child->widget);
+			g_hash_table_insert (component_ids_hash, (void *) component_id, GINT_TO_POINTER (1));
+		} else {
+			int num_items;
+
+			num_items = GPOINTER_TO_INT (hash_item);
+			g_assert (num_items <= MAX_ACTIVITIES_PER_COMPONENT);
+
+			if (num_items == MAX_ACTIVITIES_PER_COMPONENT) {
+				gtk_widget_hide (child->widget);
+			} else {
+				num_items ++;
+				gtk_widget_show (child->widget);
+				g_hash_table_insert (component_ids_hash, (void *) component_id, GINT_TO_POINTER (num_items));
+			}
+		}
+	}
+
+	g_hash_table_destroy (component_ids_hash);
+}
+
+
+static void
+class_init (GtkObjectClass *object_class)
+{
+	parent_class = g_type_class_ref(PARENT_TYPE);
+}
+
+static void
+init (ETaskBar *task_bar)
+{
+	GtkWidget *label, *hbox;
+	
+	task_bar->priv = g_new (ETaskBarPrivate, 1);
+
+	gtk_box_set_spacing (GTK_BOX (task_bar), 10);
+	
+	label = e_clipped_label_new ("", PANGO_WEIGHT_NORMAL, 1.0);
+	gtk_widget_show (label);
+	gtk_box_pack_start (GTK_BOX (task_bar), label, TRUE, TRUE, 0);
+	gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5); 
+	task_bar->priv->message_label = E_CLIPPED_LABEL (label);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_container_add (GTK_CONTAINER (task_bar), hbox);
+	task_bar->priv->hbox = GTK_HBOX (hbox);
+}
+
+
+void
+e_task_bar_construct (ETaskBar *task_bar)
+{
+	g_return_if_fail (task_bar != NULL);
+	g_return_if_fail (E_IS_TASK_BAR (task_bar));
+
+	/* Nothing to do here.  */
+}
+
+GtkWidget *
+e_task_bar_new (void)
+{
+	ETaskBar *task_bar;
+
+	task_bar = g_object_new (e_task_bar_get_type (), NULL);
+	e_task_bar_construct (task_bar);
+
+	return GTK_WIDGET (task_bar);
+}
+
+void
+e_task_bar_set_message (ETaskBar   *task_bar,
+			const char *message)
+{
+	if (message) {
+		gtk_widget_show (GTK_WIDGET (task_bar->priv->message_label));
+		e_clipped_label_set_text (task_bar->priv->message_label,
+					  message);
+	} else {
+		e_task_bar_unset_message (task_bar);
+	}
+}
+
+void
+e_task_bar_unset_message (ETaskBar   *task_bar)
+{
+	gtk_widget_hide (GTK_WIDGET (task_bar->priv->message_label));
+}
+
+void
+e_task_bar_prepend_task (ETaskBar *task_bar,
+			 ETaskWidget *task_widget)
+{
+	GtkBoxChild *child_info;
+	GtkBox *box;
+
+	g_return_if_fail (task_bar != NULL);
+	g_return_if_fail (E_IS_TASK_BAR (task_bar));
+	g_return_if_fail (task_widget != NULL);
+	g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
+
+	/* Hah hah.  GTK+ sucks.  This is adapted from `gtkhbox.c'.  */
+
+	child_info = g_new (GtkBoxChild, 1);
+	child_info->widget = GTK_WIDGET (task_widget);
+	child_info->padding = 0;
+	child_info->expand = TRUE;
+	child_info->fill = TRUE;
+	child_info->pack = GTK_PACK_START;
+
+	box = GTK_BOX (task_bar->priv->hbox);
+
+	box->children = g_list_prepend (box->children, child_info);
+
+	gtk_widget_set_parent (GTK_WIDGET (task_widget), GTK_WIDGET (task_bar->priv->hbox));
+
+	if (GTK_WIDGET_REALIZED (task_bar))
+		gtk_widget_realize (GTK_WIDGET (task_widget));
+
+	if (GTK_WIDGET_VISIBLE (task_bar) && GTK_WIDGET_VISIBLE (task_widget)) {
+		if (GTK_WIDGET_MAPPED (task_bar))
+			gtk_widget_map (GTK_WIDGET (task_widget));
+		gtk_widget_queue_resize (GTK_WIDGET (task_widget));
+	}
+
+	reduce_displayed_activities_per_component (task_bar);
+
+	gtk_widget_show (GTK_WIDGET (task_bar->priv->hbox));
+}
+
+void
+e_task_bar_remove_task (ETaskBar *task_bar,
+			int n)
+{
+	ETaskWidget *task_widget;
+
+	g_return_if_fail (task_bar != NULL);
+	g_return_if_fail (E_IS_TASK_BAR (task_bar));
+	g_return_if_fail (n >= 0);
+
+	task_widget = e_task_bar_get_task_widget (task_bar, n);
+	gtk_widget_destroy (GTK_WIDGET (task_widget));
+
+	reduce_displayed_activities_per_component (task_bar);
+
+	if (g_list_length (GTK_BOX (task_bar->priv->hbox)->children) == 0)
+		gtk_widget_hide (GTK_WIDGET (task_bar->priv->hbox));
+}
+	
+ETaskWidget *
+e_task_bar_get_task_widget (ETaskBar *task_bar,
+			    int n)
+{
+	GtkBoxChild *child_info;
+
+	g_return_val_if_fail (task_bar != NULL, NULL);
+	g_return_val_if_fail (E_IS_TASK_BAR (task_bar), NULL);
+
+	child_info = (GtkBoxChild *) g_list_nth (GTK_BOX (task_bar->priv->hbox)->children, n)->data;
+
+	return E_TASK_WIDGET (child_info->widget);
+}
+
+
+E_MAKE_TYPE (e_task_bar, "ETaskBar", ETaskBar, class_init, init, PARENT_TYPE)
diff --git a/widgets/misc/e-task-bar.h b/widgets/misc/e-task-bar.h
new file mode 100644
index 0000000000..e91e5fab65
--- /dev/null
+++ b/widgets/misc/e-task-bar.h
@@ -0,0 +1,77 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-task-bar.h
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifndef _E_TASK_BAR_H_
+#define _E_TASK_BAR_H_
+
+#include "e-task-widget.h"
+
+#include <gtk/gtkhbox.h>
+
+#ifdef __cplusplus
+extern "C" {
+#pragma }
+#endif /* __cplusplus */
+
+#define E_TYPE_TASK_BAR			(e_task_bar_get_type ())
+#define E_TASK_BAR(obj)			(GTK_CHECK_CAST ((obj), E_TYPE_TASK_BAR, ETaskBar))
+#define E_TASK_BAR_CLASS(klass)		(GTK_CHECK_CLASS_CAST ((klass), E_TYPE_TASK_BAR, ETaskBarClass))
+#define E_IS_TASK_BAR(obj)			(GTK_CHECK_TYPE ((obj), E_TYPE_TASK_BAR))
+#define E_IS_TASK_BAR_CLASS(klass)		(GTK_CHECK_CLASS_TYPE ((obj), E_TYPE_TASK_BAR))
+
+
+typedef struct _ETaskBar        ETaskBar;
+typedef struct _ETaskBarPrivate ETaskBarPrivate;
+typedef struct _ETaskBarClass   ETaskBarClass;
+
+struct _ETaskBar {
+	GtkHBox          parent;
+	
+	ETaskBarPrivate *priv;
+};
+
+struct _ETaskBarClass {
+	GtkHBoxClass parent_class;
+};
+
+
+GtkType      e_task_bar_get_type         (void);
+void         e_task_bar_construct        (ETaskBar    *task_bar);
+GtkWidget   *e_task_bar_new              (void);
+
+void         e_task_bar_set_message      (ETaskBar    *task_bar,
+					  const char  *message);
+void         e_task_bar_unset_message    (ETaskBar    *task_bar);
+
+void         e_task_bar_prepend_task     (ETaskBar    *task_bar,
+					  ETaskWidget *task_widget);
+void         e_task_bar_remove_task      (ETaskBar    *task_bar,
+					  int          n);
+
+ETaskWidget *e_task_bar_get_task_widget  (ETaskBar    *task_bar,
+					  int          n);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _E_TASK_BAR_H_ */
diff --git a/widgets/misc/e-task-widget.c b/widgets/misc/e-task-widget.c
new file mode 100644
index 0000000000..c6cd524c2f
--- /dev/null
+++ b/widgets/misc/e-task-widget.c
@@ -0,0 +1,251 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-task-widget.c
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-task-widget.h"
+
+#include <gtk/gtkframe.h>
+#include <gtk/gtkhbox.h>
+#include <gtk/gtklabel.h>
+#include <gtk/gtkimage.h>
+#include <gtk/gtktooltips.h>
+
+#include <libgnome/gnome-i18n.h>
+
+#include <gal/util/e-util.h>
+
+
+#define SPACING 2
+
+#define PARENT_TYPE (gtk_event_box_get_type ())
+static GtkEventBoxClass *parent_class = NULL;
+
+struct _ETaskWidgetPrivate {
+	char *component_id;
+
+	GtkTooltips *tooltips;
+
+	GdkPixbuf *icon_pixbuf;
+	GtkWidget *label;
+	GtkWidget *image;
+};
+
+
+/* GObject methods.  */
+
+static void
+impl_dispose (GObject *object)
+{
+	ETaskWidget *task_widget;
+	ETaskWidgetPrivate *priv;
+
+	task_widget = E_TASK_WIDGET (object);
+
+	priv = task_widget->priv;
+
+	if (priv->tooltips != NULL) {
+		g_object_unref (priv->tooltips);
+		priv->tooltips = NULL;
+	}
+
+	if (priv->icon_pixbuf != NULL) {
+		g_object_unref (priv->icon_pixbuf);
+		priv->icon_pixbuf = NULL;
+	}
+
+	(* G_OBJECT_CLASS (parent_class)->dispose) (object);
+}
+
+static void
+impl_finalize (GObject *object)
+{
+	ETaskWidget *task_widget;
+	ETaskWidgetPrivate *priv;
+
+	task_widget = E_TASK_WIDGET (object);
+	priv = task_widget->priv;
+
+	g_free (priv->component_id);
+	g_free (priv);
+
+	(* G_OBJECT_CLASS (parent_class)->finalize) (object);
+}
+
+
+static void
+class_init (GObjectClass *object_class)
+{
+	parent_class = g_type_class_ref(PARENT_TYPE);
+
+	object_class->dispose  = impl_dispose;
+	object_class->finalize = impl_finalize;
+}
+
+static void
+init (ETaskWidget *task_widget)
+{
+	ETaskWidgetPrivate *priv;
+
+	priv = g_new (ETaskWidgetPrivate, 1);
+
+	priv->component_id = NULL;
+	priv->tooltips     = NULL;
+	priv->icon_pixbuf  = NULL;
+	priv->label        = NULL;
+	priv->image        = NULL;
+
+	task_widget->priv = priv;
+}
+
+
+void
+e_task_widget_construct (ETaskWidget *task_widget,
+			 GdkPixbuf *icon_pixbuf,
+			 const char *component_id,
+			 const char *information)
+{
+	ETaskWidgetPrivate *priv;
+	GdkPixmap *pixmap;
+	GdkBitmap *mask;
+	GtkWidget *box;
+	GtkWidget *frame;
+
+	g_return_if_fail (task_widget != NULL);
+	g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
+	g_return_if_fail (icon_pixbuf != NULL);
+	g_return_if_fail (component_id != NULL);
+	g_return_if_fail (information != NULL);
+
+	priv = task_widget->priv;
+
+	priv->component_id = g_strdup (component_id);
+
+	frame = gtk_frame_new (NULL);
+	gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+	gtk_container_add (GTK_CONTAINER (task_widget), frame);
+	gtk_widget_show (frame);
+
+	box = gtk_hbox_new (FALSE, 0);
+	gtk_container_add (GTK_CONTAINER (frame), box);
+	gtk_widget_show (box);
+
+	gtk_widget_set_size_request (box, 1, -1);
+
+	priv->icon_pixbuf = g_object_ref (icon_pixbuf);
+
+	gdk_pixbuf_render_pixmap_and_mask (icon_pixbuf, &pixmap, &mask, 128);
+
+	priv->image = gtk_image_new_from_pixmap (pixmap, mask);
+	gtk_widget_show (priv->image);
+	gtk_box_pack_start (GTK_BOX (box), priv->image, FALSE, TRUE, 0);
+
+	priv->label = gtk_label_new ("");
+	gtk_misc_set_alignment (GTK_MISC (priv->label), 0.0, 0.5);
+	gtk_widget_show (priv->label);
+	gtk_box_pack_start (GTK_BOX (box), priv->label, TRUE, TRUE, 0);
+
+	gdk_pixmap_unref (pixmap);
+	g_object_unref (mask);
+
+	priv->tooltips = gtk_tooltips_new ();
+	g_object_ref (priv->tooltips);
+	gtk_object_sink (GTK_OBJECT (priv->tooltips));
+
+	e_task_widget_update (task_widget, information, -1.0);
+}
+
+GtkWidget *
+e_task_widget_new (GdkPixbuf *icon_pixbuf,
+		   const char *component_id,
+		   const char *information)
+{
+	ETaskWidget *task_widget;
+
+	g_return_val_if_fail (icon_pixbuf != NULL, NULL);
+	g_return_val_if_fail (information != NULL, NULL);
+
+	task_widget = g_object_new (e_task_widget_get_type (), NULL);
+	e_task_widget_construct (task_widget, icon_pixbuf, component_id, information);
+
+	return GTK_WIDGET (task_widget);
+}
+
+
+void
+e_task_widget_update (ETaskWidget *task_widget,
+		      const char *information,
+		      double completion)
+{
+	ETaskWidgetPrivate *priv;
+	char *text;
+
+	g_return_if_fail (task_widget != NULL);
+	g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
+	g_return_if_fail (information != NULL);
+
+	priv = task_widget->priv;
+
+	if (completion < 0.0) {
+		text = g_strdup_printf (_("%s (...)"), information);
+	} else {
+		int percent_complete;
+
+		percent_complete = (int) (completion * 100.0 + .5);
+		text = g_strdup_printf (_("%s (%d%% complete)"), information, percent_complete);
+	}
+
+	gtk_label_set_text (GTK_LABEL (priv->label), text);
+
+	gtk_tooltips_set_tip (priv->tooltips, GTK_WIDGET (task_widget), text, NULL);
+
+	g_free (text);
+}
+
+void
+e_task_wiget_alert (ETaskWidget *task_widget)
+{
+	g_return_if_fail (task_widget != NULL);
+	g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
+}
+
+void
+e_task_wiget_unalert (ETaskWidget *task_widget)
+{
+	g_return_if_fail (task_widget != NULL);
+	g_return_if_fail (E_IS_TASK_WIDGET (task_widget));
+}
+	
+
+const char *
+e_task_widget_get_component_id  (ETaskWidget *task_widget)
+{
+	g_return_val_if_fail (task_widget != NULL, NULL);
+	g_return_val_if_fail (E_IS_TASK_WIDGET (task_widget), NULL);
+
+	return task_widget->priv->component_id;
+}
+
+
+E_MAKE_TYPE (e_task_widget, "ETaskWidget", ETaskWidget, class_init, init, PARENT_TYPE)
diff --git a/widgets/misc/e-task-widget.h b/widgets/misc/e-task-widget.h
new file mode 100644
index 0000000000..6173623a80
--- /dev/null
+++ b/widgets/misc/e-task-widget.h
@@ -0,0 +1,78 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-task-widget.h
+ *
+ * Copyright (C) 2001  Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifndef _E_TASK_WIDGET_H_
+#define _E_TASK_WIDGET_H_
+
+#include <gtk/gtkeventbox.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#ifdef __cplusplus
+extern "C" {
+#pragma }
+#endif /* __cplusplus */
+
+#define E_TYPE_TASK_WIDGET			(e_task_widget_get_type ())
+#define E_TASK_WIDGET(obj)			(GTK_CHECK_CAST ((obj), E_TYPE_TASK_WIDGET, ETaskWidget))
+#define E_TASK_WIDGET_CLASS(klass)		(GTK_CHECK_CLASS_CAST ((klass), E_TYPE_TASK_WIDGET, ETaskWidgetClass))
+#define E_IS_TASK_WIDGET(obj)			(GTK_CHECK_TYPE ((obj), E_TYPE_TASK_WIDGET))
+#define E_IS_TASK_WIDGET_CLASS(klass)		(GTK_CHECK_CLASS_TYPE ((obj), E_TYPE_TASK_WIDGET))
+
+
+typedef struct _ETaskWidget        ETaskWidget;
+typedef struct _ETaskWidgetPrivate ETaskWidgetPrivate;
+typedef struct _ETaskWidgetClass   ETaskWidgetClass;
+
+struct _ETaskWidget {
+	GtkEventBox parent;
+
+	ETaskWidgetPrivate *priv;
+};
+
+struct _ETaskWidgetClass {
+	GtkEventBoxClass parent_class;
+};
+
+
+GtkType    e_task_widget_get_type   (void);
+void       e_task_widget_construct  (ETaskWidget *task_widget,
+				     GdkPixbuf   *icon_pixbuf,
+				     const char  *component_id,
+				     const char  *information);
+GtkWidget *e_task_widget_new        (GdkPixbuf   *icon_pixbuf,
+				     const char  *component_id,
+				     const char  *information);
+
+void  e_task_widget_update  (ETaskWidget *task_widget,
+			     const char  *information,
+			     double       completion);
+
+void  e_task_wiget_alert    (ETaskWidget *task_widget);
+void  e_task_wiget_unalert  (ETaskWidget *task_widget);
+
+const char *e_task_widget_get_component_id  (ETaskWidget *task_widget);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _E_TASK_WIDGET_H_ */