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/*
* e-mail-part.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/>
*
*/
#include <camel/camel.h>
#include "e-mail-part.h"
/**
* EMailPart:
*
* The #EMailPart is a wrapper around #CamelMimePart which holds additional
* information about the mime part, like it's ID, encryption type etc.
*
* #EMailPart is not GObject-based, but has a simple reference counting.
*
* Each #EMailPart must have a unique ID. The ID is a dot-separated hierarchical
* description of the location of the part within the email message.
*/
struct _EMailPartPrivate {
guint ref_cnt;
gsize instance_size;
GFreeFunc free_func;
};
static void
mail_part_free (EMailPart *part)
{
if (!part)
return;
if (part->part) {
g_object_unref (part->part);
part->part = NULL;
}
if (part->cid) {
g_free (part->cid);
part->cid = NULL;
}
if (part->mime_type) {
g_free (part->mime_type);
part->mime_type = NULL;
}
if (part->validity) {
camel_cipher_validity_free (part->validity);
part->validity = NULL;
}
if (part->validity_parent) {
camel_cipher_validity_free (part->validity_parent);
part->validity_parent = NULL;
}
if (part->priv->free_func) {
part->priv->free_func (part);
part->priv->free_func = NULL;
}
if (part->id) {
g_free (part->id);
part->id = NULL;
}
g_free (part->priv);
part->priv = NULL;
g_free (part);
}
/**
* e_mail_part_new:
* @part: (allow-none) a #CamelMimePart or %NULL
* @id: part ID
*
* Creates a new #EMailPart for given mime part.
*
* Return value: a new #EMailPart
*/
EMailPart *
e_mail_part_new (CamelMimePart *part,
const gchar *id)
{
return e_mail_part_subclass_new (part, id, sizeof (EMailPart), NULL);
}
/**
* e_mail_part_new:
* @part: (allow-none) a #CamelMimePart or %NULL
* @id: part ID
* @size: Size of the EMailPart subclass
*
* Allocates a @size bytes representing an #EMailPart subclass.
*
* Return value: a new #EMailPart-based object
*/
EMailPart *
e_mail_part_subclass_new (CamelMimePart *part,
const gchar *id,
gsize size,
GFreeFunc free_func)
{
EMailPart *mail_part;
g_return_val_if_fail (size >= sizeof (EMailPart), NULL);
mail_part = g_malloc0 (size);
mail_part->priv = g_new0 (EMailPartPrivate, 1);
mail_part->priv->ref_cnt = 1;
mail_part->priv->free_func = free_func;
mail_part->priv->instance_size = size;
if (part) {
mail_part->part = g_object_ref (part);
}
if (id) {
mail_part->id = g_strdup (id);
}
return mail_part;
}
EMailPart *
e_mail_part_ref (EMailPart *part)
{
g_return_val_if_fail (part != NULL, NULL);
g_return_val_if_fail (part->priv != NULL, NULL);
g_atomic_int_inc (&part->priv->ref_cnt);
return part;
}
void
e_mail_part_unref (EMailPart *part)
{
g_return_if_fail (part != NULL);
g_return_if_fail (part->priv != NULL);
if (g_atomic_int_dec_and_test (&part->priv->ref_cnt)) {
mail_part_free (part);
}
}
gsize
e_mail_part_get_instance_size (EMailPart *part)
{
g_return_val_if_fail (part != NULL, 0);
return part->priv->instance_size;
}
/**
* e_mail_part_update_validity:
* @part: An #EMailPart
* @validity_type: E_MAIL_PART_VALIDITY_* flags
* @validity: a #CamelCipherValidity
*
* Updates validity of the @part. When the part already has some validity
* set, the new @validity and @validity_type are just appended, preserving
* the original validity.
*/
void
e_mail_part_update_validity (EMailPart *part,
CamelCipherValidity *validity,
guint32 validity_type)
{
g_return_if_fail (part != NULL);
part->validity_type &= validity_type;
if (part->validity) {
camel_cipher_validity_envelope (part->validity, validity);
} else {
part->validity = camel_cipher_validity_clone (validity);
}
}
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