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1 /*
2 * e-composer-activity.c
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) version 3.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with the program; if not, see <http://www.gnu.org/licenses/>
16 *
17 */
18
19 #ifdef HAVE_CONFIG_H
20 #include <config.h>
21 #endif
22
23 #include "e-composer-private.h"
24
25 #define E_COMPOSER_ACTIVITY_GET_PRIVATE(obj) \
26 (G_TYPE_INSTANCE_GET_PRIVATE \
27 ((obj), E_TYPE_COMPOSER_ACTIVITY, EComposerActivityPrivate))
28
29 struct _EComposerActivityPrivate {
30 EMsgComposer *composer;
31 gboolean saved_editable;
32 };
33
34 enum {
35 PROP_0,
36 PROP_COMPOSER
37 };
38
39 G_DEFINE_TYPE (
40 EComposerActivity,
41 e_composer_activity,
42 E_TYPE_ACTIVITY)
43
44 static void
45 composer_activity_lock_interface (EComposerActivity *activity)
46 {
47 GtkActionGroup *action_group;
48 EMsgComposer *composer;
49 EWebViewGtkHTML *web_view;
50 gboolean editable;
51
52 composer = e_composer_activity_get_composer (activity);
53
54 web_view = e_msg_composer_get_web_view (composer);
55 editable = e_web_view_gtkhtml_get_editable (web_view);
56 e_web_view_gtkhtml_set_editable (web_view, FALSE);
57 activity->priv->saved_editable = editable;
58
59 action_group = composer->priv->async_actions;
60 gtk_action_group_set_sensitive (action_group, FALSE);
61 }
62
63 static void
64 composer_activity_unlock_interface (EComposerActivity *activity)
65 {
66 GtkActionGroup *action_group;
67 EMsgComposer *composer;
68 EWebViewGtkHTML *web_view;
69 gboolean editable;
70
71 composer = e_composer_activity_get_composer (activity);
72
73 editable = activity->priv->saved_editable;
74 web_view = e_msg_composer_get_web_view (composer);
75 e_web_view_gtkhtml_set_editable (web_view, editable);
76
77 action_group = composer->priv->async_actions;
78 gtk_action_group_set_sensitive (action_group, TRUE);
79 }
80
81 static void
82 composer_activity_set_composer (EComposerActivity *activity,
83 EMsgComposer *composer)
84 {
85 g_return_if_fail (E_IS_MSG_COMPOSER (composer));
86 g_return_if_fail (activity->priv->composer == NULL);
87
88 activity->priv->composer = g_object_ref (composer);
89
90 composer_activity_lock_interface (activity);
91 }
92
93 static void
94 composer_activity_set_property (GObject *object,
95 guint property_id,
96 const GValue *value,
97 GParamSpec *pspec)
98 {
99 switch (property_id) {
100 case PROP_COMPOSER:
101 composer_activity_set_composer (
102 E_COMPOSER_ACTIVITY (object),
103 g_value_get_object (value));
104 return;
105 }
106
107 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
108 }
109
110 static void
111 composer_activity_get_property (GObject *object,
112 guint property_id,
113 GValue *value,
114 GParamSpec *pspec)
115 {
116 switch (property_id) {
117 case PROP_COMPOSER:
118 g_value_set_object (
119 value, e_composer_activity_get_composer (
120 E_COMPOSER_ACTIVITY (object)));
121 return;
122 }
123
124 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
125 }
126
127 static void
128 composer_activity_dispose (GObject *object)
129 {
130 EComposerActivity *activity;
131
132 activity = E_COMPOSER_ACTIVITY (object);
133
134 if (activity->priv->composer != NULL) {
135 composer_activity_unlock_interface (activity);
136 g_object_unref (activity->priv->composer);
137 activity->priv->composer = NULL;
138 }
139
140 /* Chain up to parent's dispose() method. */
141 G_OBJECT_CLASS (e_composer_activity_parent_class)->dispose (object);
142 }
143
144 static void
145 e_composer_activity_class_init (EComposerActivityClass *class)
146 {
147 GObjectClass *object_class;
148
149 g_type_class_add_private (class, sizeof (EComposerActivityPrivate));
150
151 object_class = G_OBJECT_CLASS (class);
152 object_class->set_property = composer_activity_set_property;
153 object_class->get_property = composer_activity_get_property;
154 object_class->dispose = composer_activity_dispose;
155
156 g_object_class_install_property (
157 object_class,
158 PROP_COMPOSER,
159 g_param_spec_object (
160 "composer",
161 NULL,
162 NULL,
163 E_TYPE_MSG_COMPOSER,
164 G_PARAM_READWRITE |
165 G_PARAM_CONSTRUCT_ONLY));
166 }
167
168 static void
169 e_composer_activity_init (EComposerActivity *activity)
170 {
171 activity->priv = E_COMPOSER_ACTIVITY_GET_PRIVATE (activity);
172 }
173
174 EActivity *
175 e_composer_activity_new (EMsgComposer *composer)
176 {
177 return g_object_new (
178 E_TYPE_COMPOSER_ACTIVITY,
179 "composer", composer, NULL);
180 }
181
182 EMsgComposer *
183 e_composer_activity_get_composer (EComposerActivity *activity)
184 {
185 g_return_val_if_fail (E_IS_COMPOSER_ACTIVITY (activity), NULL);
186
187 return activity->priv->composer;
188 }