/*
* e-mail-formatter-attachment.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-mail-format-extensions.h"
#include "e-mail-part-attachment.h"
#include "e-mail-part-attachment-bar.h"
#include <em-format/e-mail-formatter-extension.h>
#include <em-format/e-mail-formatter.h>
#include <em-format/e-mail-part-utils.h>
#include <em-format/e-mail-inline-filter.h>
#include <e-util/e-util.h>
#include <shell/e-shell.h>
#include <shell/e-shell-window.h>
#include <widgets/misc/e-attachment-button.h>
#include <glib/gi18n-lib.h>
#include <camel/camel.h>
#define d(x)
typedef struct _EMailFormatterAttachment {
GObject parent;
} EMailFormatterAttachment;
typedef struct _EMailFormatterAttachmentClass {
GObjectClass parent_class;
} EMailFormatterAttachmentClass;
static void e_mail_formatter_formatter_extension_interface_init (EMailFormatterExtensionInterface *iface);
static void e_mail_formatter_mail_extension_interface_init (EMailExtensionInterface *iface);
G_DEFINE_TYPE_EXTENDED (
EMailFormatterAttachment,
e_mail_formatter_attachment,
G_TYPE_OBJECT,
0,
G_IMPLEMENT_INTERFACE (
E_TYPE_MAIL_EXTENSION,
e_mail_formatter_mail_extension_interface_init)
G_IMPLEMENT_INTERFACE (
E_TYPE_MAIL_FORMATTER_EXTENSION,
e_mail_formatter_formatter_extension_interface_init)
)
static const gchar *formatter_mime_types[] = { "application/vnd.evolution.attachment",
"application/vnd.evolution.widget.attachment-button",
NULL };
static EAttachmentStore *
find_attachment_store (GSList *parts,
const gchar *start_id)
{
gchar *tmp, *pos;
EMailPart *part;
gchar *id;
id = g_strconcat (start_id, ".attachment-bar", NULL);
tmp = g_strdup (id);
part = NULL;
do {
GSList *iter;
d(printf("Looking up attachment bar as %s\n", id));
for (iter = parts; iter; iter = iter->next) {
EMailPart *p = iter->data;
if (!p)
continue;
if (g_strcmp0 (p->id, id) == 0) {
part = p;
break;
}
}
pos = g_strrstr (tmp, ".");
if (!pos)
break;
g_free (id);
g_free (tmp);
tmp = g_strndup (start_id, pos - tmp);
id = g_strdup_printf ("%s.attachment-bar", tmp);
} while (pos && !part);
g_free (id);
g_free (tmp);
if (part) {
return ((EMailPartAttachmentBar *) part)->store;
}
return NULL;
}
static gboolean
emfe_attachment_format (EMailFormatterExtension *extension,
EMailFormatter *formatter,
EMailFormatterContext *context,
EMailPart *part,
CamelStream *stream,
GCancellable *cancellable)
{
gchar *str, *text, *html;
gchar *button_id;
EAttachmentStore *store;
EMailExtensionRegistry *reg;
GQueue *extensions;
EMailPartAttachment *empa;
gchar *attachment_part_id;
g_return_val_if_fail (E_MAIL_PART_IS (part, EMailPartAttachment), FALSE);
empa = (EMailPartAttachment *) part;
if ((context->mode == E_MAIL_FORMATTER_MODE_NORMAL) ||
(context->mode == E_MAIL_FORMATTER_MODE_PRINTING)) {
if (part->validity) {
e_attachment_set_signed (
empa->attachment, part->validity->sign.status);
e_attachment_set_encrypted (
empa->attachment, part->validity->encrypt.status);
}
store = find_attachment_store (context->parts, part->id);
if (store) {
GList *attachments = e_attachment_store_get_attachments (store);
if (!g_list_find (attachments, empa->attachment)) {
e_attachment_store_add_attachment (
store, empa->attachment);
}
g_list_free (attachments);
} else {
g_warning ("Failed to locate attachment-bar for %s", part->id);
}
}
/* If the attachment is requested as RAW, then call the handler directly
* and do not append any other code. */
if ((context->mode == E_MAIL_FORMATTER_MODE_RAW) ||
(context->mode == E_MAIL_FORMATTER_MODE_PRINTING)) {
EMailExtensionRegistry *reg;
GQueue *extensions;
GList *iter;
reg = e_mail_formatter_get_extension_registry (formatter);
extensions = e_mail_extension_registry_get_for_mime_type (
reg, empa->snoop_mime_type);
if (!extensions) {
extensions = e_mail_extension_registry_get_fallback (
reg, empa->snoop_mime_type);
}
if (!extensions)
return FALSE;
if (context->mode == E_MAIL_FORMATTER_MODE_PRINTING) {
gchar *name;
EAttachment *attachment;
GFileInfo *fi;
const gchar *description;
attachment = empa->attachment;
fi = e_attachment_get_file_info (attachment);
description = e_attachment_get_description (attachment);
if (description && *description) {
name = g_strdup_printf ("<h2>Attachment: %s (%s)</h2>\n",
description, g_file_info_get_display_name (fi));
} else {
name = g_strdup_printf ("<h2>Attachment: %s</h2>\n",
g_file_info_get_display_name (fi));
}
camel_stream_write_string (stream, name, cancellable, NULL);
g_free (name);
}
for (iter = g_queue_peek_head_link (extensions); iter; iter = iter->next) {
EMailFormatterExtension *ext;
ext = iter->data;
if (!ext)
continue;
if (e_mail_formatter_extension_format (ext, formatter,
context, part, stream, cancellable)) {
return TRUE;
}
}
return FALSE;
}
/* E_MAIL_FORMATTER_MODE_NORMAL: */
reg = e_mail_formatter_get_extension_registry (formatter);
extensions = e_mail_extension_registry_get_for_mime_type (
reg, empa->snoop_mime_type);
if (!extensions) {
extensions = e_mail_extension_registry_get_fallback (
reg, empa->snoop_mime_type);
}
text = e_mail_part_describe (part->part, empa->snoop_mime_type);
html = camel_text_to_html (
text, e_mail_formatter_get_text_format_flags (formatter) &
CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0);
g_free (text);
if (empa->attachment_view_part_id)
attachment_part_id = empa->attachment_view_part_id;
else
attachment_part_id = part->id;
button_id = g_strconcat (attachment_part_id, ".attachment_button", NULL);
str = g_strdup_printf (
"<div class=\"attachment\">"
"<table width=\"100%%\" border=\"0\">"
"<tr valign=\"middle\">"
"<td align=\"left\" width=\"100\">"
"<object type=\"application/vnd.evolution.widget.attachment-button\" "
"height=\"20\" width=\"100\" data=\"%s\" id=\"%s\"></object>"
"</td>"
"<td align=\"left\">%s</td>"
"</tr>", part->id, button_id, html);
camel_stream_write_string (stream, str, cancellable, NULL);
g_free (button_id);
g_free (str);
g_free (html);
if (extensions) {
GList *iter;
CamelStream *content_stream;
gboolean ok;
content_stream = camel_stream_mem_new ();
ok = FALSE;
if (empa->attachment_view_part_id != NULL) {
GSList *att_parts;
att_parts = e_mail_part_list_get_iter (
context->parts,
empa->attachment_view_part_id);
if (att_parts && att_parts->data) {
ok = e_mail_formatter_format_as (
formatter, context, att_parts->data,
content_stream, NULL, cancellable);
}
} else {
for (iter = g_queue_peek_head_link (extensions); iter; iter = iter->next) {
EMailFormatterExtension *ext;
ext = iter->data;
if (!ext)
continue;
if (e_mail_formatter_extension_format (
ext, formatter, context,
part, content_stream,
cancellable)) {
ok = TRUE;
break;
}
}
}
if (ok) {
str = g_strdup_printf (
"<tr><td colspan=\"2\">"
"<div class=\"attachment-wrapper\" id=\"%s\">",
attachment_part_id);
camel_stream_write_string (
stream, str, cancellable, NULL);
g_free (str);
g_seekable_seek (
G_SEEKABLE (content_stream), 0,
G_SEEK_SET, cancellable, NULL);
camel_stream_write_to_stream (
content_stream, stream,
cancellable, NULL);
camel_stream_write_string (
stream, "</div></td></tr>", cancellable, NULL);
}
g_object_unref (content_stream);
}
camel_stream_write_string (stream, "</table></div>", cancellable, NULL);
return TRUE;
}
static GtkWidget *
emfe_attachment_get_widget (EMailFormatterExtension *extension,
EMailPartList *context,
EMailPart *part,
GHashTable *params)
{
EMailPartAttachment *empa;
EAttachmentStore *store;
EAttachmentView *view;
GtkWidget *widget;
g_return_val_if_fail (E_MAIL_PART_IS (part, EMailPartAttachment), NULL);
empa = (EMailPartAttachment *) part;
store = find_attachment_store (context->list, part->id);
widget = e_attachment_button_new ();
g_object_set_data (G_OBJECT (widget), "uri", part->id);
e_attachment_button_set_attachment (
E_ATTACHMENT_BUTTON (widget), empa->attachment);
view = g_object_get_data (G_OBJECT (store), "attachment-bar");
if (view) {
e_attachment_button_set_view (
E_ATTACHMENT_BUTTON (widget), view);
}
gtk_widget_set_can_focus (widget, TRUE);
gtk_widget_show (widget);
return widget;
}
static const gchar *
emfe_attachment_get_display_name (EMailFormatterExtension *extension)
{
return _("Attachment");
}
static const gchar *
emfe_attachment_get_description (EMailFormatterExtension *extension)
{
return _("Display as attachment");
}
static const gchar **
emfe_attachment_mime_types (EMailExtension *extension)
{
return formatter_mime_types;
}
static void
e_mail_formatter_attachment_class_init (EMailFormatterAttachmentClass *class)
{
}
static void
e_mail_formatter_formatter_extension_interface_init (EMailFormatterExtensionInterface *iface)
{
iface->format = emfe_attachment_format;
iface->get_widget = emfe_attachment_get_widget;
iface->get_display_name = emfe_attachment_get_display_name;
iface->get_description = emfe_attachment_get_description;
}
static void
e_mail_formatter_mail_extension_interface_init (EMailExtensionInterface *iface)
{
iface->mime_types = emfe_attachment_mime_types;
}
static void
e_mail_formatter_attachment_init (EMailFormatterAttachment *formatter)
{
}
