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/* -*-mode:c; c-style:k&r; c-basic-offset:4; -*- */
/* Balsa E-Mail Client
*
* Copyright (C) 1997-2007 Stuart Parmenter and others,
* See the file AUTHORS for a list.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* 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.
*/
#if defined(HAVE_CONFIG_H) && HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */
#include "information.h"
#ifdef HAVE_NOTIFY
#include <libnotify/notify.h>
#include <gtk/gtk.h>
#endif
#include <string.h>
struct information_data {
GtkWindow *parent;
LibBalsaInformationType message_type;
gchar *msg;
};
static gboolean libbalsa_information_idle_handler(struct information_data*);
LibBalsaInformationFunc libbalsa_real_information_func;
#ifdef HAVE_NOTIFY
static void lbi_notification_closed_cb(NotifyNotification * note,
gpointer data);
static void
lbi_notification_parent_weak_notify(gpointer data, GObject * parent)
{
NotifyNotification *note = NOTIFY_NOTIFICATION(data);
g_signal_handlers_disconnect_by_func(note, lbi_notification_closed_cb,
parent);
notify_notification_close(note, NULL);
g_object_unref(note);
}
static void
lbi_notification_closed_cb(NotifyNotification * note, gpointer data)
{
GObject *parent = G_OBJECT(data);
g_object_weak_unref(parent, lbi_notification_parent_weak_notify, note);
g_object_unref(note);
}
#endif
/*
* We are adding an idle handler - we do not need to hold the gdk lock
* for this.
*
* We can't just grab the GDK lock and call the real_error function
* since this runs a dialog, which has a nested g_main loop - glib
* doesn't like haveing main loops active in two threads at one
* time. When the idle handler gets run it is from the main thread.
*
*/
void
libbalsa_information_varg(GtkWindow *parent, LibBalsaInformationType type,
const char *fmt, va_list ap)
{
struct information_data *data;
g_return_if_fail(fmt != NULL);
g_assert(libbalsa_real_information_func != NULL);
#ifdef HAVE_NOTIFY
if (notify_is_initted()) {
gchar *msg, *p, *q;
GString *escaped;
NotifyNotification *note;
char *icon_str;
switch (type) {
case LIBBALSA_INFORMATION_MESSAGE:
icon_str = GTK_STOCK_DIALOG_INFO;
break;
case LIBBALSA_INFORMATION_WARNING:
icon_str = GTK_STOCK_DIALOG_WARNING;
break;
case LIBBALSA_INFORMATION_ERROR:
icon_str = GTK_STOCK_DIALOG_ERROR;
break;
default:
icon_str = NULL;
break;
}
msg = g_strdup_vprintf(fmt, ap);
/* libnotify/DBUS uses HTML markup, so we must replace '<' and
* '&' with the corresponding entity in the message string. */
escaped = g_string_new(NULL);
for (p = msg; (q = strpbrk(p, "<>&\"")) != NULL; p = ++q) {
g_string_append_len(escaped, p, q - p);
switch (*q) {
case '<': g_string_append(escaped, "<"); break;
case '>': g_string_append(escaped, ">"); break;
case '&': g_string_append(escaped, "&"); break;
case '"': g_string_append(escaped, """); break;
default: break;
}
}
g_string_append(escaped, p);
g_free(msg);
#if HAVE_NOTIFY >= 7
note = notify_notification_new("Balsa", escaped->str, icon_str);
#else
/* prior to 0.7.0 */
note = notify_notification_new("Balsa", escaped->str, icon_str, NULL);
#endif
g_string_free(escaped, TRUE);
notify_notification_set_timeout(note, 7000); /* 7 seconds */
notify_notification_show(note, NULL);
if (parent) {
/* Close with parent if earlier. */
g_object_weak_ref(G_OBJECT(parent),
lbi_notification_parent_weak_notify, note);
g_signal_connect(note, "closed",
G_CALLBACK(lbi_notification_closed_cb),
parent);
} else
g_object_unref(note);
return;
}
/* Fall through to the ordinary notification scheme */
#endif
data = g_new(struct information_data, 1);
data->parent = parent;
data->message_type = type;
/* We format the string here. It must be free()d in the idle
* handler We parse the args here because by the time the idle
* function runs we will no longer be in this stack frame.
*/
data->msg = g_strdup_vprintf(fmt, ap);
if (parent)
g_object_add_weak_pointer(G_OBJECT(parent),
(gpointer) & data->parent);
g_idle_add((GSourceFunc) libbalsa_information_idle_handler, data);
}
void
libbalsa_information(LibBalsaInformationType type,
const char *fmt, ...)
{
va_list va_args;
#ifndef DEBUG
if (type == LIBBALSA_INFORMATION_DEBUG) return;
#endif
va_start(va_args, fmt);
libbalsa_information_varg(NULL, type, fmt, va_args);
va_end(va_args);
}
void
libbalsa_information_parented(GtkWindow *parent, LibBalsaInformationType type,
const char *fmt, ...)
{
va_list va_args;
va_start(va_args, fmt);
libbalsa_information_varg(parent, type, fmt, va_args);
va_end(va_args);
}
/*
* This is an idle handler, so we need to grab the GDK lock
*/
static gboolean
libbalsa_information_idle_handler(struct information_data *data)
{
gdk_threads_enter();
libbalsa_real_information_func(data->parent,
data->message_type,
data->msg);
gdk_threads_leave();
if(data->parent)
g_object_remove_weak_pointer(G_OBJECT(data->parent),
(gpointer) &data->parent);
g_free(data->msg);
g_free(data);
return FALSE;
}
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