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-rw-r--r--widgets/misc/e-attachment.c639
1 files changed, 639 insertions, 0 deletions
diff --git a/widgets/misc/e-attachment.c b/widgets/misc/e-attachment.c
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+++ b/widgets/misc/e-attachment.c
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+/* -*- 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,
+ 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);
+ if (attachment->file_name)
+ g_free (attachment->file_name);
+ if (attachment->description)
+ g_free (attachment->description);
+ }
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+
+/* Signals. */
+
+static void
+real_changed (EAttachment *attachment)
+{
+ 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;
+
+ 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);
+}
+
+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->description = NULL;
+ attachment->disposition = FALSE;
+ attachment->sign = CAMEL_CIPHER_VALIDITY_SIGN_NONE;
+ attachment->encrypt = CAMEL_CIPHER_VALIDITY_ENCRYPT_NONE;
+}
+
+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;
+
+ 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);
+ 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_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;
+
+ return new;
+}
+
+
+EAttachment *
+e_attachment_new_remote_file (const char *file_name,
+ const char *disposition,
+ CamelException *ex)
+{
+ EAttachment *new;
+
+ g_return_val_if_fail (file_name != NULL, NULL);
+
+ 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->file_name = g_path_get_basename(file_name);
+
+ 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;
+
+ 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);
+ g_free (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;
+ if (attachment->file_name) {
+ g_free (attachment->file_name);
+ attachment->file_name = NULL;
+ }
+}
+
+
+/**
+ * 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;
+ 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_ATTACHMENT, NULL);
+ new->editor_gui = NULL;
+ new->body = mime_part;
+ new->guessed_type = FALSE;
+ new->is_available_local = TRUE;
+ 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;
+ 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);
+ } else {
+ if (attachment->file_name)
+ 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 {
+ if (attachment->description)
+ 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);
+#warning "signal connect while alive"
+ /* 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));
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 10:25:17 +0800