path: root/em-format/e-mail-part-attachment-bar.c

/*
 * e-mail-part-attachment-bar.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.
 *
 * 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 Lesser General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "e-mail-part-attachment-bar.h"

#define E_MAIL_PART_ATTACHMENT_BAR_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_MAIL_PART_ATTACHMENT_BAR, EMailPartAttachmentBarPrivate))

struct _EMailPartAttachmentBarPrivate {
    EAttachmentStore *store;
};

G_DEFINE_TYPE (
    EMailPartAttachmentBar,
    e_mail_part_attachment_bar,
    E_TYPE_MAIL_PART)

static void
mail_part_attachment_bar_dispose (GObject *object)
{
    EMailPartAttachmentBarPrivate *priv;

    priv = E_MAIL_PART_ATTACHMENT_BAR_GET_PRIVATE (object);

    g_clear_object (&priv->store);

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_mail_part_attachment_bar_parent_class)->
        dispose (object);
}

static void
e_mail_part_attachment_bar_class_init (EMailPartAttachmentBarClass *class)
{
    GObjectClass *object_class;

    g_type_class_add_private (
        class, sizeof (EMailPartAttachmentBarPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->dispose = mail_part_attachment_bar_dispose;
}

static void
e_mail_part_attachment_bar_init (EMailPartAttachmentBar *part)
{
    part->priv = E_MAIL_PART_ATTACHMENT_BAR_GET_PRIVATE (part);
}

EMailPart *
e_mail_part_attachment_bar_new (CamelMimePart *mime_part,
                                const gchar *id)
{
    g_return_val_if_fail (id != NULL, NULL);

    return g_object_new (
        E_TYPE_MAIL_PART_ATTACHMENT_BAR,
        "id", id, "mime-part", mime_part, NULL);
}

EAttachmentStore *
e_mail_part_attachment_bar_get_store (EMailPartAttachmentBar *part)
{
    g_return_val_if_fail (E_IS_MAIL_PART_ATTACHMENT_BAR (part), NULL);

    if (!part->priv->store) {
        GtkTreeModel *tree_model;

        /* Create the store only on demand. The EMailParser runs in a dedicated
         * thread, but the EAttachmentStore is a GtkWidget descendant, which should
         * be manipulated only from the main/UI thread, thus postpone its creating
         * until it's really needed, which might be during the EMailFormatter run,
         * which runs from the main/UI thread. */
        tree_model = e_attachment_store_new ();
        part->priv->store = E_ATTACHMENT_STORE (tree_model);
    }

    return part->priv->store;
}