/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/*
* Authors: Harish Krishnaswamy <kharish@novell.com>
* Copyright 2004 Novell Inc. <www.novell.com>
*
* 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 of the License, 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 Street #330, Boston, MA 02111-1307, USA.
*
*/
/* Much of this file has been shamelessly copied from the mail attachment
* handling code, including the fixmes. Modifications/Additions that are
* specific to the calendar component have been flagged by some comments
* fwiw */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <gtk/gtknotebook.h>
#include <gtk/gtktogglebutton.h>
#include <gtk/gtkdialog.h>
#include <libgnomevfs/gnome-vfs.h>
#include <libgnome/gnome-i18n.h>
#include "e-util/e-mktemp.h"
#include <camel/camel.h>
#include "comp-editor.h"
#include "cal-attachment.h"
enum {
CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static GObjectClass *parent_class = NULL;
static void
changed (CalAttachment *attachment)
{
g_signal_emit (attachment, signals[CHANGED], 0);
}
/* GtkObject methods. */
static void
finalise(GObject *object)
{
CalAttachment *attachment;
attachment = CAL_ATTACHMENT (object);
camel_object_unref (attachment->body);
if (attachment->pixbuf_cache != NULL)
g_object_unref (attachment->pixbuf_cache);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/* Signals. */
static void
real_changed (CalAttachment *cal_attachment)
{
g_return_if_fail (E_IS_CAL_ATTACHMENT (cal_attachment));
}
static void
class_init (CalAttachmentClass *klass)
{
GObjectClass *object_class;
object_class = (GObjectClass*) klass;
parent_class = g_type_class_ref (G_TYPE_OBJECT);
object_class->finalize = finalise;
klass->changed = real_changed;
signals[CHANGED] = g_signal_new ("changed",
E_TYPE_CAL_ATTACHMENT,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (CalAttachmentClass, changed),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
init (CalAttachment *cal_attachment)
{
cal_attachment->editor_gui = NULL;
cal_attachment->body = NULL;
cal_attachment->size = 0;
cal_attachment->pixbuf_cache = NULL;
}
GType
cal_attachment_get_type (void)
{
static GType type = 0;
if (type == 0) {
static const GTypeInfo info = {
sizeof (CalAttachmentClass),
NULL,
NULL,
(GClassInitFunc) class_init,
NULL,
NULL,
sizeof (CalAttachment),
0,
(GInstanceInitFunc) init,
};
type = g_type_register_static (G_TYPE_OBJECT, "CalAttachment", &info, 0);
}
return type;
}
/**
* cal_attachment_guess_mime_type:
* @file_name: filename
* Returns the guessed mime type of the file given by #file_name
**/
static char *
cal_attachment_guess_mime_type (const char *file_name)
{
GnomeVFSFileInfo *info;
GnomeVFSResult result;
char *type = NULL;
info = gnome_vfs_file_info_new ();
result = gnome_vfs_get_file_info (file_name, info,
GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE |
GNOME_VFS_FILE_INFO_FOLLOW_LINKS);
if (result == GNOME_VFS_OK)
type = g_strdup (gnome_vfs_file_info_get_mime_type (info));
gnome_vfs_file_info_unref (info);
return type;
}
/**
* cal_attachment_new:
* @file_name: filename to attach
* @disposition: Content-Disposition of the attachment
* @ex: exception
*
* Return value: the new attachment, or %NULL on error
**/
CalAttachment *
cal_attachment_new (const char *file_name,
const char *disposition,
CamelException *ex)
{
CalAttachment *new;
CamelMimePart *part;
CamelDataWrapper *wrapper;
CamelStream *stream;
struct stat statbuf;
char *mime_type;
char *filename;
g_return_val_if_fail (file_name != NULL, NULL);
if (stat (file_name, &statbuf) < 0) {
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Cannot attach file %s: %s"),
file_name, g_strerror (errno));
return NULL;
}
/* return if it's not a regular file */
if (!S_ISREG (statbuf.st_mode)) {
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Cannot attach file %s: not a regular file"),
file_name);
return NULL;
}
stream = camel_stream_fs_new_with_name (file_name, O_RDONLY, 0);
if (!stream) {
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Cannot attach file %s: %s"),
file_name, g_strerror (errno));
return NULL;
}
mime_type = cal_attachment_guess_mime_type (file_name);
if (mime_type) {
if (!g_ascii_strcasecmp (mime_type, "message/rfc822")) {
wrapper = (CamelDataWrapper *) camel_mime_message_new ();
} else {
wrapper = camel_data_wrapper_new ();
}
camel_data_wrapper_construct_from_stream (wrapper, stream);
camel_data_wrapper_set_mime_type (wrapper, mime_type);
g_free (mime_type);
} else {
wrapper = camel_data_wrapper_new ();
camel_data_wrapper_construct_from_stream (wrapper, stream);
camel_data_wrapper_set_mime_type (wrapper, "application/octet-stream");
}
camel_object_unref (stream);
part = camel_mime_part_new ();
camel_medium_set_content_object (CAMEL_MEDIUM (part), wrapper);
camel_object_unref (wrapper);
camel_mime_part_set_disposition (part, disposition);
filename = g_path_get_basename (file_name);
camel_mime_part_set_filename (part, filename);
g_free (filename);
#if 0
/* Note: Outlook 2002 is broken with respect to Content-Ids on
non-multipart/related parts, so as an interoperability
workaround, don't set a Content-Id on these parts. Fixes
bug #10032 */
/* set the Content-Id */
content_id = camel_header_msgid_generate ();
camel_mime_part_set_content_id (part, content_id);
g_free (content_id);
#endif
new = g_object_new (E_TYPE_CAL_ATTACHMENT, NULL);
new->editor_gui = NULL;
new->body = part;
new->size = statbuf.st_size;
new->guessed_type = TRUE;
return new;
}
/**
* cal_attachment_new_from_mime_part:
* @part: a CamelMimePart
*
* Return value: a new CalAttachment based on the mime part
**/
CalAttachment *
cal_attachment_new_from_mime_part (CamelMimePart *part)
{
CalAttachment *new;
CamelMimePart *mime_part;
CamelStream *stream;
g_return_val_if_fail (CAMEL_IS_MIME_PART (part), NULL);
stream = camel_stream_mem_new ();
if (camel_data_wrapper_write_to_stream (CAMEL_DATA_WRAPPER (part), stream) == -1) {
camel_object_unref (stream);
return NULL;
}
camel_stream_reset (stream);
mime_part = camel_mime_part_new ();
if (camel_data_wrapper_construct_from_stream (CAMEL_DATA_WRAPPER (mime_part), stream) == -1) {
camel_object_unref (mime_part);
camel_object_unref (stream);
return NULL;
}
camel_object_unref (stream);
new = g_object_new (E_TYPE_CAL_ATTACHMENT, NULL);
new->editor_gui = NULL;
new->body = mime_part;
new->guessed_type = FALSE;
new->size = 0;
return new;
}
/* The attachment property dialog. */
typedef struct {
GtkWidget *dialog;
GtkEntry *file_name_entry;
GtkEntry *description_entry;
GtkEntry *mime_type_entry;
GtkToggleButton *disposition_checkbox;
CalAttachment *attachment;
} DialogData;
static void
destroy_dialog_data (DialogData *data)
{
g_free (data);
}
/*
* fixme: I am converting EVERYTHING to/from UTF-8, although mime types
* are in ASCII. This is not strictly necessary, but we want to be
* consistent and possibly check for errors somewhere.
*/
static void
set_entry (GladeXML *xml, const char *widget_name, const char *value)
{
GtkEntry *entry;
entry = GTK_ENTRY (glade_xml_get_widget (xml, widget_name));
if (entry == NULL)
g_warning ("Entry for `%s' not found.", widget_name);
else
gtk_entry_set_text (entry, value ? value : "");
}
static void
connect_widget (GladeXML *gui, const char *name, const char *signal_name,
GCallback func, gpointer data)
{
GtkWidget *widget;
widget = glade_xml_get_widget (gui, name);
g_signal_connect (widget, signal_name, func, data);
}
static void
close_cb (GtkWidget *widget, gpointer data)
{
CalAttachment *attachment;
DialogData *dialog_data;
dialog_data = (DialogData *) data;
attachment = dialog_data->attachment;
gtk_widget_destroy (dialog_data->dialog);
g_object_unref (attachment->editor_gui);
attachment->editor_gui = NULL;
g_object_unref (attachment);
destroy_dialog_data (dialog_data);
}
static void
ok_cb (GtkWidget *widget, gpointer data)
{
DialogData *dialog_data;
CalAttachment *attachment;
const char *str;
dialog_data = (DialogData *) data;
attachment = dialog_data->attachment;
str = gtk_entry_get_text (dialog_data->file_name_entry);
camel_mime_part_set_filename (attachment->body, str);
str = gtk_entry_get_text (dialog_data->description_entry);
camel_mime_part_set_description (attachment->body, str);
str = gtk_entry_get_text (dialog_data->mime_type_entry);
camel_mime_part_set_content_type (attachment->body, str);
camel_data_wrapper_set_mime_type(camel_medium_get_content_object(CAMEL_MEDIUM (attachment->body)), str);
switch (gtk_toggle_button_get_active (dialog_data->disposition_checkbox)) {
case 0:
camel_mime_part_set_disposition (attachment->body, "attachment");
break;
case 1:
camel_mime_part_set_disposition (attachment->body, "inline");
break;
default:
/* Hmmmm? */
break;
}
changed (attachment);
close_cb (widget, data);
}
static void
response_cb (GtkWidget *widget, gint response, gpointer data)
{
if (response == GTK_RESPONSE_OK)
ok_cb (widget, data);
else
close_cb (widget, data);
}
void
cal_attachment_edit (CalAttachment *attachment, GtkWidget *parent)
{
CamelContentType *content_type;
const char *disposition;
DialogData *dialog_data;
GladeXML *editor_gui;
char *type;
g_return_if_fail (attachment != NULL);
g_return_if_fail (E_IS_CAL_ATTACHMENT (attachment));
if (attachment->editor_gui != NULL) {
GtkWidget *window;
window = glade_xml_get_widget (attachment->editor_gui,
"dialog");
gdk_window_show (window->window);
return;
}
editor_gui = glade_xml_new (EVOLUTION_GLADEDIR "/cal-attachment.glade",
NULL, NULL);
if (editor_gui == NULL) {
g_warning ("Cannot load `cal-attachment.glade'");
return;
}
attachment->editor_gui = editor_gui;
gtk_window_set_transient_for
(GTK_WINDOW (glade_xml_get_widget (editor_gui, "dialog")),
GTK_WINDOW (gtk_widget_get_toplevel (parent)));
dialog_data = g_new (DialogData, 1);
g_object_ref (attachment);
dialog_data->attachment = attachment;
dialog_data->dialog = glade_xml_get_widget (editor_gui, "dialog");
dialog_data->file_name_entry = GTK_ENTRY (
glade_xml_get_widget (editor_gui, "file_name_entry"));
dialog_data->description_entry = GTK_ENTRY (
glade_xml_get_widget (editor_gui, "description_entry"));
dialog_data->mime_type_entry = GTK_ENTRY (
glade_xml_get_widget (editor_gui, "mime_type_entry"));
dialog_data->disposition_checkbox = GTK_TOGGLE_BUTTON (
glade_xml_get_widget (editor_gui, "disposition_checkbox"));
set_entry (editor_gui, "file_name_entry",
camel_mime_part_get_filename (attachment->body));
set_entry (editor_gui, "description_entry",
camel_mime_part_get_description (attachment->body));
content_type = camel_mime_part_get_content_type (attachment->body);
type = camel_content_type_simple (content_type);
set_entry (editor_gui, "mime_type_entry", type);
g_free (type);
disposition = camel_mime_part_get_disposition (attachment->body);
gtk_toggle_button_set_active (dialog_data->disposition_checkbox,
disposition && !g_ascii_strcasecmp (disposition, "inline"));
connect_widget (editor_gui, "dialog", "response", (GCallback)response_cb, dialog_data);
#warning "signal connect while alive"
/* make sure that when the composer gets hidden/closed that our windows also close */
parent = gtk_widget_get_toplevel (parent);
gtk_signal_connect_while_alive (GTK_OBJECT (parent), "destroy", (GCallback)close_cb, dialog_data,
GTK_OBJECT (dialog_data->dialog));
gtk_signal_connect_while_alive (GTK_OBJECT (parent), "hide", (GCallback)close_cb, dialog_data,
GTK_OBJECT (dialog_data->dialog));
}
