1 /*
2  * e-mail-part-itip.c
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
10  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
11  * for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program; if not, see <http://www.gnu.org/licenses/>.
15  *
16  */
17 
18 #include "evolution-config.h"
19 
20 #include <string.h>
21 #include <e-util/e-util.h>
22 
23 #include "e-mail-part-itip.h"
24 
25 #define E_MAIL_PART_ITIP_GET_PRIVATE(obj) \
26 	(G_TYPE_INSTANCE_GET_PRIVATE \
27 	((obj), E_TYPE_MAIL_PART_ITIP, EMailPartItipPrivate))
28 
29 struct _EMailPartItipPrivate {
30 	GSList *views; /* ItipView * */
31 };
32 
G_DEFINE_DYNAMIC_TYPE(EMailPartItip,e_mail_part_itip,E_TYPE_MAIL_PART)33 G_DEFINE_DYNAMIC_TYPE (
34 	EMailPartItip,
35 	e_mail_part_itip,
36 	E_TYPE_MAIL_PART)
37 
38 static void
39 mail_part_itip_dispose (GObject *object)
40 {
41 	EMailPartItip *part = E_MAIL_PART_ITIP (object);
42 
43 	g_cancellable_cancel (part->cancellable);
44 
45 	g_free (part->message_uid);
46 	part->message_uid = NULL;
47 
48 	g_free (part->vcalendar);
49 	part->vcalendar = NULL;
50 
51 	g_clear_object (&part->folder);
52 	g_clear_object (&part->message);
53 	g_clear_object (&part->itip_mime_part);
54 	g_clear_object (&part->cancellable);
55 
56 	/* Chain up to parent's dispose() method. */
57 	G_OBJECT_CLASS (e_mail_part_itip_parent_class)->dispose (object);
58 }
59 
60 static void
mail_part_itip_finalize(GObject * object)61 mail_part_itip_finalize (GObject *object)
62 {
63 	EMailPartItip *part = E_MAIL_PART_ITIP (object);
64 
65 	g_slist_free_full (part->priv->views, g_object_unref);
66 	part->priv->views = NULL;
67 
68 	/* Chain up to parent's finalize() method. */
69 	G_OBJECT_CLASS (e_mail_part_itip_parent_class)->finalize (object);
70 }
71 
72 static void
mail_part_itip_content_loaded(EMailPart * part,EWebView * web_view,const gchar * iframe_id)73 mail_part_itip_content_loaded (EMailPart *part,
74 			       EWebView *web_view,
75 			       const gchar *iframe_id)
76 {
77 	EMailPartItip *pitip;
78 
79 	g_return_if_fail (E_IS_MAIL_PART_ITIP (part));
80 	g_return_if_fail (E_IS_WEB_VIEW (web_view));
81 
82 	if (g_strcmp0 ((iframe_id && *iframe_id) ? iframe_id : NULL, e_mail_part_get_id (part)) != 0)
83 		return;
84 
85 	pitip = E_MAIL_PART_ITIP (part);
86 
87 	if (pitip->message) {
88 		ItipView *itip_view;
89 		GSList *link;
90 
91 		for (link = pitip->priv->views; link; link = g_slist_next (link)) {
92 			EWebView *used_web_view;
93 
94 			itip_view = link->data;
95 			used_web_view = itip_view_ref_web_view (itip_view);
96 
97 			if (used_web_view == web_view) {
98 				g_clear_object (&used_web_view);
99 				return;
100 			}
101 
102 			g_clear_object (&used_web_view);
103 		}
104 
105 		itip_view = itip_view_new (
106 			e_mail_part_get_id (part),
107 			pitip,
108 			pitip->folder,
109 			pitip->message_uid,
110 			pitip->message,
111 			pitip->itip_mime_part,
112 			pitip->vcalendar,
113 			pitip->cancellable);
114 
115 		itip_view_set_web_view (itip_view, web_view);
116 
117 		pitip->priv->views = g_slist_prepend (pitip->priv->views, itip_view);
118 	}
119 }
120 
121 static void
e_mail_part_itip_class_init(EMailPartItipClass * class)122 e_mail_part_itip_class_init (EMailPartItipClass *class)
123 {
124 	GObjectClass *object_class;
125 	EMailPartClass *mail_part_class;
126 
127 	g_type_class_add_private (class, sizeof (EMailPartItipPrivate));
128 
129 	object_class = G_OBJECT_CLASS (class);
130 	object_class->dispose = mail_part_itip_dispose;
131 	object_class->finalize = mail_part_itip_finalize;
132 
133 	mail_part_class = E_MAIL_PART_CLASS (class);
134 	mail_part_class->content_loaded = mail_part_itip_content_loaded;
135 }
136 
137 static void
e_mail_part_itip_class_finalize(EMailPartItipClass * class)138 e_mail_part_itip_class_finalize (EMailPartItipClass *class)
139 {
140 }
141 
142 static void
e_mail_part_itip_init(EMailPartItip * part)143 e_mail_part_itip_init (EMailPartItip *part)
144 {
145 	part->priv = E_MAIL_PART_ITIP_GET_PRIVATE (part);
146 	part->cancellable = g_cancellable_new ();
147 
148 	e_mail_part_set_mime_type (E_MAIL_PART (part), "text/calendar");
149 
150 	E_MAIL_PART (part)->force_collapse = TRUE;
151 }
152 
153 void
e_mail_part_itip_type_register(GTypeModule * type_module)154 e_mail_part_itip_type_register (GTypeModule *type_module)
155 {
156 	/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
157 	 *     function, so we have to wrap it with a public function in
158 	 *     order to register types from a separate compilation unit. */
159 	e_mail_part_itip_register_type (type_module);
160 }
161 
162 EMailPartItip *
e_mail_part_itip_new(CamelMimePart * mime_part,const gchar * id)163 e_mail_part_itip_new (CamelMimePart *mime_part,
164                       const gchar *id)
165 {
166 	g_return_val_if_fail (id != NULL, NULL);
167 
168 	return g_object_new (
169 		E_TYPE_MAIL_PART_ITIP,
170 		"id", id, "mime-part", mime_part, NULL);
171 }
172