1 /*
2 * e-attachment-handler-image.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 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
18 *
19 */
20
21 #include "evolution-config.h"
22
23 #include "e-attachment-handler-image.h"
24
25 #include <glib/gi18n.h>
26 #include <gdesktop-enums.h>
27
28 #include "e-misc-utils.h"
29
30 #define E_ATTACHMENT_HANDLER_IMAGE_GET_PRIVATE(obj) \
31 (G_TYPE_INSTANCE_GET_PRIVATE \
32 ((obj), E_TYPE_ATTACHMENT_HANDLER_IMAGE, EAttachmentHandlerImagePrivate))
33
34 struct _EAttachmentHandlerImagePrivate {
35 gint placeholder;
36 };
37
38 static const gchar *ui =
39 "<ui>"
40 " <popup name='context'>"
41 " <placeholder name='custom-actions'>"
42 " <menuitem action='image-set-as-background'/>"
43 " </placeholder>"
44 " </popup>"
45 "</ui>";
46
G_DEFINE_TYPE(EAttachmentHandlerImage,e_attachment_handler_image,E_TYPE_ATTACHMENT_HANDLER)47 G_DEFINE_TYPE (
48 EAttachmentHandlerImage,
49 e_attachment_handler_image,
50 E_TYPE_ATTACHMENT_HANDLER)
51
52 static void
53 action_image_set_as_background_saved_cb (EAttachment *attachment,
54 GAsyncResult *result,
55 EAttachmentHandler *handler)
56 {
57 GDesktopBackgroundStyle style;
58 EAttachmentView *view;
59 GSettings *settings;
60 GtkWidget *dialog;
61 GFile *file;
62 gpointer parent;
63 gchar *uri;
64 GError *error = NULL;
65
66 view = e_attachment_handler_get_view (handler);
67 settings = e_util_ref_settings ("org.gnome.desktop.background");
68
69 file = e_attachment_save_finish (attachment, result, &error);
70
71 if (error != NULL)
72 goto error;
73
74 uri = g_file_get_uri (file);
75 g_settings_set_string (settings, "picture-uri", uri);
76 g_free (uri);
77
78 style = g_settings_get_enum (settings, "picture-options");
79 if (style == G_DESKTOP_BACKGROUND_STYLE_NONE)
80 g_settings_set_enum (
81 settings, "picture-options",
82 G_DESKTOP_BACKGROUND_STYLE_WALLPAPER);
83
84 g_object_unref (file);
85
86 goto exit;
87
88 error:
89 parent = gtk_widget_get_toplevel (GTK_WIDGET (view));
90 parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
91
92 dialog = gtk_message_dialog_new_with_markup (
93 parent, GTK_DIALOG_DESTROY_WITH_PARENT,
94 GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
95 "<big><b>%s</b></big>",
96 _("Could not set as background"));
97
98 gtk_message_dialog_format_secondary_text (
99 GTK_MESSAGE_DIALOG (dialog), "%s", error->message);
100
101 gtk_dialog_run (GTK_DIALOG (dialog));
102
103 gtk_widget_destroy (dialog);
104 g_error_free (error);
105
106 exit:
107 g_object_unref (settings);
108 g_object_unref (handler);
109 }
110
111 static void
action_image_set_as_background_cb(GtkAction * action,EAttachmentHandler * handler)112 action_image_set_as_background_cb (GtkAction *action,
113 EAttachmentHandler *handler)
114 {
115 EAttachmentView *view;
116 EAttachment *attachment;
117 GFile *destination;
118 GList *selected;
119 const gchar *path;
120
121 view = e_attachment_handler_get_view (handler);
122 selected = e_attachment_view_get_selected_attachments (view);
123 g_return_if_fail (g_list_length (selected) == 1);
124 attachment = E_ATTACHMENT (selected->data);
125
126 /* Save the image under the user's Pictures directory. */
127 path = g_get_user_special_dir (G_USER_DIRECTORY_PICTURES);
128 destination = g_file_new_for_path (path);
129 g_mkdir_with_parents (path, 0755);
130
131 e_attachment_save_async (
132 attachment, destination, (GAsyncReadyCallback)
133 action_image_set_as_background_saved_cb,
134 g_object_ref (handler));
135
136 g_object_unref (destination);
137
138 g_list_foreach (selected, (GFunc) g_object_unref, NULL);
139 g_list_free (selected);
140 }
141
142 static GtkActionEntry standard_entries[] = {
143
144 { "image-set-as-background",
145 NULL,
146 N_("Set as _Background"),
147 NULL,
148 NULL, /* XXX Add a tooltip! */
149 G_CALLBACK (action_image_set_as_background_cb) }
150 };
151
152 static void
attachment_handler_image_update_actions_cb(EAttachmentView * view,EAttachmentHandler * handler)153 attachment_handler_image_update_actions_cb (EAttachmentView *view,
154 EAttachmentHandler *handler)
155 {
156 EAttachment *attachment;
157 GtkActionGroup *action_group;
158 gchar *mime_type;
159 GList *selected;
160 gboolean visible = FALSE;
161
162 selected = e_attachment_view_get_selected_attachments (view);
163
164 if (g_list_length (selected) != 1)
165 goto exit;
166
167 attachment = E_ATTACHMENT (selected->data);
168
169 if (e_attachment_get_loading (attachment))
170 goto exit;
171
172 if (e_attachment_get_saving (attachment))
173 goto exit;
174
175 mime_type = e_attachment_dup_mime_type (attachment);
176 visible =
177 (mime_type != NULL) &&
178 (g_ascii_strncasecmp (mime_type, "image/", 6) == 0);
179 g_free (mime_type);
180
181 exit:
182 action_group = e_attachment_view_get_action_group (view, "image");
183 gtk_action_group_set_visible (action_group, visible);
184
185 g_list_foreach (selected, (GFunc) g_object_unref, NULL);
186 g_list_free (selected);
187 }
188
189 static void
attachment_handler_image_constructed(GObject * object)190 attachment_handler_image_constructed (GObject *object)
191 {
192 EAttachmentHandler *handler;
193 EAttachmentView *view;
194 GtkActionGroup *action_group;
195 GtkUIManager *ui_manager;
196 GError *error = NULL;
197
198 handler = E_ATTACHMENT_HANDLER (object);
199
200 /* Chain up to parent's constructed() method. */
201 G_OBJECT_CLASS (e_attachment_handler_image_parent_class)->constructed (object);
202
203 view = e_attachment_handler_get_view (handler);
204
205 action_group = e_attachment_view_add_action_group (view, "image");
206 gtk_action_group_add_actions (
207 action_group, standard_entries,
208 G_N_ELEMENTS (standard_entries), object);
209
210 ui_manager = e_attachment_view_get_ui_manager (view);
211 gtk_ui_manager_add_ui_from_string (ui_manager, ui, -1, &error);
212
213 if (error != NULL) {
214 g_warning ("%s", error->message);
215 g_error_free (error);
216 }
217
218 g_signal_connect (
219 view, "update-actions",
220 G_CALLBACK (attachment_handler_image_update_actions_cb),
221 object);
222 }
223
224 static void
e_attachment_handler_image_class_init(EAttachmentHandlerImageClass * class)225 e_attachment_handler_image_class_init (EAttachmentHandlerImageClass *class)
226 {
227 GObjectClass *object_class;
228
229 g_type_class_add_private (class, sizeof (EAttachmentHandlerImagePrivate));
230
231 object_class = G_OBJECT_CLASS (class);
232 object_class->constructed = attachment_handler_image_constructed;
233 }
234
235 static void
e_attachment_handler_image_init(EAttachmentHandlerImage * handler)236 e_attachment_handler_image_init (EAttachmentHandlerImage *handler)
237 {
238 handler->priv = E_ATTACHMENT_HANDLER_IMAGE_GET_PRIVATE (handler);
239 }
240