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

1 files changed, 420 insertions, 0 deletions

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)