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/*
* e-attachment-handler.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/>
*
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include "e-attachment-handler.h"
#define E_ATTACHMENT_HANDLER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_ATTACHMENT_HANDLER, EAttachmentHandlerPrivate))
struct _EAttachmentHandlerPrivate {
gpointer placeholder;
};
G_DEFINE_TYPE (
EAttachmentHandler,
e_attachment_handler,
E_TYPE_EXTENSION)
static void
attachment_handler_constructed (GObject *object)
{
EAttachmentView *view;
EAttachmentHandler *handler;
GdkDragAction drag_actions;
GtkTargetList *target_list;
const GtkTargetEntry *targets;
guint n_targets;
handler = E_ATTACHMENT_HANDLER (object);
drag_actions = e_attachment_handler_get_drag_actions (handler);
targets = e_attachment_handler_get_target_table (handler, &n_targets);
view = e_attachment_handler_get_view (handler);
target_list = e_attachment_view_get_target_list (view);
gtk_target_list_add_table (target_list, targets, n_targets);
e_attachment_view_add_drag_actions (view, drag_actions);
/* Chain up to parent's constructed() method. */
G_OBJECT_CLASS (e_attachment_handler_parent_class)->
constructed (object);
}
static void
e_attachment_handler_class_init (EAttachmentHandlerClass *class)
{
GObjectClass *object_class;
EExtensionClass *extension_class;
g_type_class_add_private (class, sizeof (EAttachmentHandlerPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->constructed = attachment_handler_constructed;
extension_class = E_EXTENSION_CLASS (class);
extension_class->extensible_type = E_TYPE_ATTACHMENT_VIEW;
}
static void
e_attachment_handler_init (EAttachmentHandler *handler)
{
handler->priv = E_ATTACHMENT_HANDLER_GET_PRIVATE (handler);
}
EAttachmentView *
e_attachment_handler_get_view (EAttachmentHandler *handler)
{
EExtensible *extensible;
/* This is purely a convenience function. */
g_return_val_if_fail (E_IS_ATTACHMENT_HANDLER (handler), NULL);
extensible = e_extension_get_extensible (E_EXTENSION (handler));
return E_ATTACHMENT_VIEW (extensible);
}
GdkDragAction
e_attachment_handler_get_drag_actions (EAttachmentHandler *handler)
{
EAttachmentHandlerClass *class;
g_return_val_if_fail (E_IS_ATTACHMENT_HANDLER (handler), 0);
class = E_ATTACHMENT_HANDLER_GET_CLASS (handler);
if (class->get_drag_actions != NULL)
return class->get_drag_actions (handler);
return 0;
}
const GtkTargetEntry *
e_attachment_handler_get_target_table (EAttachmentHandler *handler,
guint *n_targets)
{
EAttachmentHandlerClass *class;
g_return_val_if_fail (E_IS_ATTACHMENT_HANDLER (handler), NULL);
class = E_ATTACHMENT_HANDLER_GET_CLASS (handler);
if (class->get_target_table != NULL)
return class->get_target_table (handler, n_targets);
if (n_targets != NULL)
*n_targets = 0;
return NULL;
}
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