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1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /*
3 * Copyright (C) 2006 Paolo Borelli <pborelli@katamail.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 *
19 * Authors: Paolo Borelli <pborelli@katamail.com>
20 *
21 */
22
23 #include "config.h"
24
25 #include <glib/gi18n.h>
26 #include <gtk/gtk.h>
27
28 #include "nautilus-trash-bar.h"
29
30 #include "nautilus-view.h"
31 #include <libnautilus-private/nautilus-file-operations.h>
32 #include <libnautilus-private/nautilus-file-utilities.h>
33 #include <libnautilus-private/nautilus-file.h>
34 #include <libnautilus-private/nautilus-trash-monitor.h>
35
36 #define NAUTILUS_TRASH_BAR_GET_PRIVATE(o)\
37 (G_TYPE_INSTANCE_GET_PRIVATE ((o), NAUTILUS_TYPE_TRASH_BAR, NautilusTrashBarPrivate))
38
39 enum {
40 PROP_VIEW = 1,
41 NUM_PROPERTIES
42 };
43
44 enum {
45 TRASH_BAR_RESPONSE_EMPTY = 1,
46 TRASH_BAR_RESPONSE_RESTORE
47 };
48
49 struct NautilusTrashBarPrivate
50 {
51 NautilusView *view;
52 gulong selection_handler_id;
53 };
54
55 G_DEFINE_TYPE (NautilusTrashBar, nautilus_trash_bar, GTK_TYPE_INFO_BAR);
56
57 static void
58 selection_changed_cb (NautilusView *view,
59 NautilusTrashBar *bar)
60 {
61 int count;
62
63 count = nautilus_view_get_selection_count (view);
64
65 gtk_info_bar_set_response_sensitive (GTK_INFO_BAR (bar),
66 TRASH_BAR_RESPONSE_RESTORE,
67 (count > 0));
68 }
69
70 static void
71 connect_view_and_update_button (NautilusTrashBar *bar)
72 {
73 bar->priv->selection_handler_id =
74 g_signal_connect (bar->priv->view, "selection-changed",
75 G_CALLBACK (selection_changed_cb), bar);
76
77 selection_changed_cb (bar->priv->view, bar);
78 }
79
80 static void
81 nautilus_trash_bar_set_property (GObject *object,
82 guint prop_id,
83 const GValue *value,
84 GParamSpec *pspec)
85 {
86 NautilusTrashBar *bar;
87
88 bar = NAUTILUS_TRASH_BAR (object);
89
90 switch (prop_id) {
91 case PROP_VIEW:
92 bar->priv->view = g_value_get_object (value);
93 connect_view_and_update_button (bar);
94 break;
95 default:
96 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
97 break;
98 }
99 }
100
101 static void
102 nautilus_trash_bar_dispose (GObject *obj)
103 {
104 NautilusTrashBar *bar;
105
106 bar = NAUTILUS_TRASH_BAR (obj);
107
108 if (bar->priv->selection_handler_id) {
109 g_signal_handler_disconnect (bar->priv->view, bar->priv->selection_handler_id);
110 }
111
112 G_OBJECT_CLASS (nautilus_trash_bar_parent_class)->dispose (obj);
113 }
114
115 static void
116 nautilus_trash_bar_trash_state_changed (NautilusTrashMonitor *trash_monitor,
117 gboolean state,
118 gpointer data)
119 {
120 NautilusTrashBar *bar;
121
122 bar = NAUTILUS_TRASH_BAR (data);
123
124 gtk_info_bar_set_response_sensitive (GTK_INFO_BAR (bar),
125 TRASH_BAR_RESPONSE_EMPTY,
126 !nautilus_trash_monitor_is_empty ());
127 }
128
129 static void
130 nautilus_trash_bar_class_init (NautilusTrashBarClass *klass)
131 {
132 GObjectClass *object_class;
133
134 object_class = G_OBJECT_CLASS (klass);
135
136 object_class->set_property = nautilus_trash_bar_set_property;
137 object_class->dispose = nautilus_trash_bar_dispose;
138
139 g_object_class_install_property (object_class,
140 PROP_VIEW,
141 g_param_spec_object ("view",
142 "view",
143 "the NautilusView",
144 NAUTILUS_TYPE_VIEW,
145 G_PARAM_WRITABLE |
146 G_PARAM_CONSTRUCT_ONLY |
147 G_PARAM_STATIC_STRINGS));
148
149 g_type_class_add_private (klass, sizeof (NautilusTrashBarPrivate));
150 }
151
152 static void
153 trash_bar_response_cb (GtkInfoBar *infobar,
154 gint response_id,
155 gpointer user_data)
156 {
157 NautilusTrashBar *bar;
158 GtkWidget *window;
159 GList *files;
160
161 bar = NAUTILUS_TRASH_BAR (infobar);
162 window = gtk_widget_get_toplevel (GTK_WIDGET (bar));
163
164 switch (response_id) {
165 case TRASH_BAR_RESPONSE_EMPTY:
166 nautilus_file_operations_empty_trash (window);
167 break;
168 case TRASH_BAR_RESPONSE_RESTORE:
169 files = nautilus_view_get_selection (bar->priv->view);
170 nautilus_restore_files_from_trash (files, GTK_WINDOW (window));
171 nautilus_file_list_free (files);
172 break;
173 default:
174 break;
175 }
176 }
177
178 static void
179 nautilus_trash_bar_init (NautilusTrashBar *bar)
180 {
181 GtkWidget *content_area, *action_area, *w;
182 GtkWidget *label;
183 PangoAttrList *attrs;
184
185 bar->priv = NAUTILUS_TRASH_BAR_GET_PRIVATE (bar);
186 content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (bar));
187 action_area = gtk_info_bar_get_action_area (GTK_INFO_BAR (bar));
188
189 gtk_orientable_set_orientation (GTK_ORIENTABLE (action_area),
190 GTK_ORIENTATION_HORIZONTAL);
191
192 attrs = pango_attr_list_new ();
193 pango_attr_list_insert (attrs, pango_attr_weight_new (PANGO_WEIGHT_BOLD));
194 label = gtk_label_new (_("Trash"));
195 gtk_label_set_attributes (GTK_LABEL (label), attrs);
196 pango_attr_list_unref (attrs);
197
198 gtk_widget_show (label);
199 gtk_container_add (GTK_CONTAINER (content_area), label);
200
201 w = gtk_info_bar_add_button (GTK_INFO_BAR (bar),
202 _("Restore"),
203 TRASH_BAR_RESPONSE_RESTORE);
204 gtk_widget_set_tooltip_text (w,
205 _("Restore selected items to their original position"));
206
207 w = gtk_info_bar_add_button (GTK_INFO_BAR (bar),
208 /* Translators: "Empty" is an action (for the trash) , not a state */
209 _("Empty"),
210 TRASH_BAR_RESPONSE_EMPTY);
211 gtk_widget_set_tooltip_text (w,
212 _("Delete all items in the Trash"));
213
214 g_signal_connect_object (nautilus_trash_monitor_get (),
215 "trash_state_changed",
216 G_CALLBACK (nautilus_trash_bar_trash_state_changed),
217 bar,
218 0);
219 nautilus_trash_bar_trash_state_changed (nautilus_trash_monitor_get (),
220 FALSE, bar);
221
222 g_signal_connect (bar, "response",
223 G_CALLBACK (trash_bar_response_cb), bar);
224 }
225
226 GtkWidget *
227 nautilus_trash_bar_new (NautilusView *view)
228 {
229 return g_object_new (NAUTILUS_TYPE_TRASH_BAR,
230 "view", view,
231 "message-type", GTK_MESSAGE_QUESTION,
232 NULL);
233 }