1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* 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 view; /* weak pointer */
};
enum {
PROP_0,
PROP_VIEW
};
G_DEFINE_TYPE (
EAttachmentHandler,
e_attachment_handler,
G_TYPE_OBJECT)
static void
attachment_handler_set_view (EAttachmentHandler *handler,
EAttachmentView *view)
{
g_return_if_fail (handler->priv->view == NULL);
handler->priv->view = view;
g_object_add_weak_pointer (
G_OBJECT (view), &handler->priv->view);
}
static void
attachment_handler_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_VIEW:
attachment_handler_set_view (
E_ATTACHMENT_HANDLER (object),
g_value_get_object (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
attachment_handler_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_VIEW:
g_value_set_object (
value, e_attachment_handler_get_view (
E_ATTACHMENT_HANDLER (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
attachment_handler_constructed (GObject *object)
{
/* This allows subclasses to chain up safely since GObject
* does not implement this method, and we might want to do
* something here in the future. */
}
static void
attachment_handler_dispose (GObject *object)
{
EAttachmentHandlerPrivate *priv;
priv = E_ATTACHMENT_HANDLER_GET_PRIVATE (object);
if (priv->view != NULL) {
g_object_remove_weak_pointer (
G_OBJECT (priv->view), &priv->view);
priv->view = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (e_attachment_handler_parent_class)->dispose (object);
}
static void
e_attachment_handler_class_init (EAttachmentHandlerClass *class)
{
GObjectClass *object_class;
g_type_class_add_private (class, sizeof (EAttachmentHandlerPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = attachment_handler_set_property;
object_class->get_property = attachment_handler_get_property;
object_class->constructed = attachment_handler_constructed;
object_class->dispose = attachment_handler_dispose;
g_object_class_install_property (
object_class,
PROP_VIEW,
g_param_spec_object (
"view",
"View",
NULL,
E_TYPE_ATTACHMENT_VIEW,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
e_attachment_handler_init (EAttachmentHandler *handler)
{
handler->priv = E_ATTACHMENT_HANDLER_GET_PRIVATE (handler);
}
EAttachmentView *
e_attachment_handler_get_view (EAttachmentHandler *handler)
{
g_return_val_if_fail (E_IS_ATTACHMENT_HANDLER (handler), NULL);
return E_ATTACHMENT_VIEW (handler->priv->view);
}
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;
}
|
