/* -*- 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, 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 <glib/gi18n.h>
#include <libgnomeui/gnome-popup-menu.h>
#include <misc/e-popup-menu.h>
#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 {
guint next_activity_id;
GList *activity_infos;
GSList *task_bars;
};
G_DEFINE_TYPE (EActivityHandler, e_activity_handler, G_TYPE_OBJECT)
/* 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, handler);
priv->task_bars = NULL;
(* G_OBJECT_CLASS (e_activity_handler_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 (e_activity_handler_parent_class)->finalize) (object);
}
static void
e_activity_handler_class_init (EActivityHandlerClass *activity_handler_class)
{
GObjectClass *object_class = (GObjectClass *) activity_handler_class;
object_class->dispose = impl_dispose;
object_class->finalize = impl_finalize;
}
static void
e_activity_handler_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);
}
}