/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/*
* Authors: Ettore Perazzoli <ettore@ximian.com>
* Jeffrey Stedfast <fejj@ximian.com>
* Srinivasa Ragavan <sragavan@novell.com>
*
* Copyright 1999-2005 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.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <camel/camel.h>
#include <gtk/gtk.h>
#include <gtk/gtknotebook.h>
#include <gtk/gtktogglebutton.h>
#include <gtk/gtkdialog.h>
#include <libgnomevfs/gnome-vfs-mime.h>
#include <libgnome/gnome-i18n.h>
#include "e-util/e-mktemp.h"
#include "e-attachment.h"
enum {
CHANGED,
UPDATE,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static GObjectClass *parent_class = NULL;
static void
changed (EAttachment *attachment)
{
g_signal_emit (attachment, signals[CHANGED], 0);
}
/* GtkObject methods. */
static void
finalise(GObject *object)
{
EAttachment *attachment;
attachment = E_ATTACHMENT (object);
if (attachment->is_available_local) {
camel_object_unref (attachment->body);
if (attachment->pixbuf_cache != NULL)
g_object_unref (attachment->pixbuf_cache);
} else {
if (attachment->handle)
gnome_vfs_async_cancel(attachment->handle);
g_free (attachment->description);
}
g_free (attachment->file_name);
g_free (attachment->store_uri);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/* Signals. */
static void
real_changed (EAttachment *attachment)
{
g_return_if_fail (E_IS_ATTACHMENT (attachment));
}
static void
real_update_attachment (EAttachment *attachment, char *msg)
{
g_return_if_fail (E_IS_ATTACHMENT (attachment));
}
static void
class_init (EAttachmentClass *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;
klass->update = real_update_attachment;
signals[CHANGED] = g_signal_new ("changed",
E_TYPE_ATTACHMENT,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EAttachmentClass, changed),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[UPDATE] = g_signal_new ("update",
E_TYPE_ATTACHMENT,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EAttachmentClass, update),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
init (EAttachment *attachment)
{
attachment->editor_gui = NULL;
attachment->body = NULL;
attachment->size = 0;
attachment->pixbuf_cache = NULL;
attachment->index = -1;
attachment->file_name = NULL;
attachment->percentage = -1;
attachment->description = NULL;
attachment->disposition = FALSE;
attachment->sign = CAMEL_CIPHER_VALIDITY_SIGN_NONE;
attachment->encrypt = CAMEL_CIPHER_VALIDITY_ENCRYPT_NONE;
attachment->store_uri = NULL;
}
GType
e_attachment_get_type (void)
{
static GType type = 0;
if (type == 0) {
static const GTypeInfo info = {
sizeof (EAttachmentClass),
NULL,
NULL,
(GClassInitFunc) class_init,
NULL,
NULL,
sizeof (EAttachment),
0,
(GInstanceInitFunc) init,
};
type = g_type_register_static (G_TYPE_OBJECT, "EAttachment", &info, 0);
}
return type;
}
static char *
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;
}
/**
* e_attachment_new:
* @file_name: filename to attach
* @disposition: Content-Disposition of the attachment
* @ex: exception
*
* Return value: the new attachment, or %NULL on error
**/
EAttachment *
e_attachment_new (const char *file_name,
const char *disposition,
CamelException *ex)
{
EAttachment *new;
CamelMimePart *part;
CamelDataWrapper *wrapper;
CamelStream *stream;
struct stat statbuf;
char *mime_type;
char *filename;
CamelURL *curl;
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 = 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);
#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_ATTACHMENT, NULL);
new->editor_gui = NULL;
new->body = part;
new->size = statbuf.st_size;
new->guessed_type = TRUE;
new->handle = NULL;
new->is_available_local = TRUE;
new->file_name = filename;
curl = camel_url_new ("file:", NULL);
camel_url_set_path (curl, file_name);
new->store_uri = camel_url_to_string (curl, 0);
camel_url_free (curl);
return new;
}
typedef struct DownloadInfo {
EAttachment *attachment;
gchar *file_name;
}DownloadInfo;
static int
async_progress_update_cb (GnomeVFSAsyncHandle *handle,
GnomeVFSXferProgressInfo *info,
DownloadInfo *download_info)
{
switch (info->status) {
case GNOME_VFS_XFER_PROGRESS_STATUS_OK:
{
if (info->file_size) {
download_info->attachment->percentage = info->bytes_copied*100/info->file_size;
g_signal_emit (download_info->attachment, signals[UPDATE], 0);
} else {
download_info->attachment->percentage = 0;
g_signal_emit (download_info->attachment, signals[UPDATE], 0);
}
if (info->phase == GNOME_VFS_XFER_PHASE_COMPLETED) {
CamelException ex;
download_info->attachment->is_available_local = TRUE;
download_info->attachment->handle = NULL;
camel_exception_init (&ex);
e_attachment_build_remote_file (download_info->file_name, download_info->attachment, "attachment", &ex);
download_info->attachment->percentage = -1;
g_signal_emit (download_info->attachment, signals[UPDATE], 0);
g_free (download_info->file_name);
g_free (download_info);
}
return TRUE;
break;
}
case GNOME_VFS_XFER_PROGRESS_STATUS_VFSERROR:
gnome_vfs_async_cancel (handle);
g_free (download_info->file_name);
g_free (download_info);
return FALSE;
break;
default:
break;
}
return TRUE;
}
static void
download_to_local_path (GnomeVFSURI *source_uri, GnomeVFSURI *target_uri, DownloadInfo *download_info)
{
GnomeVFSResult result;
GList *source_uri_list = NULL;
GList *target_uri_list = NULL;
source_uri_list = g_list_prepend (source_uri_list, source_uri);
target_uri_list = g_list_prepend (target_uri_list, target_uri);
/* Callback info */
result = gnome_vfs_async_xfer (&download_info->attachment->handle, /* handle_return */
source_uri_list, /* source_uri_list */
target_uri_list, /* target_uri_list */
GNOME_VFS_XFER_DEFAULT, /* xfer_options */
GNOME_VFS_XFER_ERROR_MODE_ABORT, /* error_mode */
GNOME_VFS_XFER_OVERWRITE_MODE_REPLACE, /* overwrite_mode */
GNOME_VFS_PRIORITY_DEFAULT, /* priority */
(GnomeVFSAsyncXferProgressCallback) async_progress_update_cb, /* progress_update_callback */
download_info, /* update_callback_data */
NULL, /* progress_sync_callback */
NULL); /* sync_callback_data */
}
EAttachment *
e_attachment_new_remote_file (const char *url,
const char *disposition,
const char *path,
CamelException *ex)
{
EAttachment *new;
DownloadInfo *download_info;
gchar *base;
g_return_val_if_fail (url != NULL, NULL);
base = g_path_get_basename (url);
new = g_object_new (E_TYPE_ATTACHMENT, NULL);
new->editor_gui = NULL;
new->body = NULL;
new->size = 0;
new->guessed_type = FALSE;
new->handle = NULL;
new->is_available_local = FALSE;
new->percentage = 0;
new->file_name = g_build_filename (path, base, NULL);
g_free(base);
download_info = g_new (DownloadInfo, 1);
download_info->attachment = new;
download_info->file_name = g_strdup (new->file_name);
download_to_local_path (gnome_vfs_uri_new(url), gnome_vfs_uri_new(new->file_name), download_info);
return new;
}
void
e_attachment_build_remote_file (const char *file_name,
EAttachment *attachment,
const char *disposition,
CamelException *ex)
{
CamelMimePart *part;
CamelDataWrapper *wrapper;
CamelStream *stream;
struct stat statbuf;
char *mime_type;
char *filename;
CamelURL *curl;
g_return_if_fail (file_name != 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;
}
/* 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;
}
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;
}
mime_type = 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);
if (attachment->disposition)
camel_mime_part_set_disposition (part, "inline");
else
camel_mime_part_set_disposition (part, "attachment");
if (!attachment->file_name)
filename = g_path_get_basename (file_name);
else
filename = g_path_get_basename (attachment->file_name);
camel_mime_part_set_filename (part, filename);
if (attachment->description) {
camel_mime_part_set_description (part, attachment->description);
g_free (attachment->description);
attachment->description = NULL;
}
attachment->editor_gui = NULL;
attachment->body = part;
attachment->size = statbuf.st_size;
attachment->guessed_type = TRUE;
g_free (attachment->file_name);
attachment->file_name = filename;
curl = camel_url_new ("file:", NULL);
camel_url_set_path (curl, file_name);
attachment->store_uri = camel_url_to_string (curl, 0);
camel_url_free (curl);
}
/**
* e_attachment_new_from_mime_part:
* @part: a CamelMimePart
*
* Return value: a new EAttachment based on the mime part
**/
EAttachment *
e_attachment_new_from_mime_part (CamelMimePart *part)
{
EAttachment *new;
g_return_val_if_fail (CAMEL_IS_MIME_PART (part), NULL);
new = g_object_new (E_TYPE_ATTACHMENT, NULL);
new->editor_gui = NULL;
camel_object_ref (part);
new->body = part;
new->guessed_type = FALSE;
new->is_available_local = TRUE;
new->size = 0;
new->file_name = g_strdup (camel_mime_part_get_filename(part));
return new;
}
/* The attachment property dialog. */
typedef struct {
GtkWidget *dialog;
GtkEntry *file_name_entry;
GtkEntry *description_entry;
GtkEntry *mime_type_entry;
GtkToggleButton *disposition_checkbox;
EAttachment *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)
{
EAttachment *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;
EAttachment *attachment;
const char *str;
dialog_data = (DialogData *) data;
attachment = dialog_data->attachment;
str = gtk_entry_get_text (dialog_data->file_name_entry);
if (attachment->is_available_local)
camel_mime_part_set_filename (attachment->body, str);
g_free (attachment->file_name);
attachment->file_name = g_strdup (str);
str = gtk_entry_get_text (dialog_data->description_entry);
if (attachment->is_available_local) {
camel_mime_part_set_description (attachment->body, str);
} else {
g_free (attachment->description);
attachment->description = g_strdup (str);
}
str = gtk_entry_get_text (dialog_data->mime_type_entry);
if (attachment->is_available_local) {
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);
}
if (attachment->is_available_local) {
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;
}
} else {
attachment->disposition = gtk_toggle_button_get_active (dialog_data->disposition_checkbox);
}
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
e_attachment_edit (EAttachment *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_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 "/e-attachment.glade",
NULL, NULL);
if (editor_gui == NULL) {
g_warning ("Cannot load `e-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"));
if (attachment->is_available_local) {
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"));
} else {
set_entry (editor_gui, "file_name_entry",
attachment->file_name);
set_entry (editor_gui, "description_entry",
attachment->description);
type = attachment_guess_mime_type (attachment->file_name);
if (type) {
set_entry (editor_gui, "mime_type_entry", type);
g_free (type);
} else {
set_entry (editor_gui, "mime_type_entry", "");
}
gtk_toggle_button_set_active (dialog_data->disposition_checkbox, attachment->disposition);
}
connect_widget (editor_gui, "dialog", "response", (GCallback)response_cb, dialog_data);
/* make sure that when the parent 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));
}
