1 /*
2  *  Copyright (C) 2003 Colin Walters <walters@verbum.org>
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2, or (at your option)
7  *  any later version.
8  *
9  *  The Rhythmbox authors hereby grant permission for non-GPL compatible
10  *  GStreamer plugins to be used and distributed together with GStreamer
11  *  and Rhythmbox. This permission is above and beyond the permissions granted
12  *  by the GPL license by which Rhythmbox is covered. If you modify this code
13  *  you may extend this exception to your version of the code, but you are not
14  *  obligated to do so. If you do not wish to do so, delete this exception
15  *  statement from your version.
16  *
17  *  This program is distributed in the hope that it will be useful,
18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  *  GNU General Public License for more details.
21  *
22  *  You should have received a copy of the GNU General Public License
23  *  along with this program; if not, write to the Free Software
24  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA.
25  *
26  */
27 
28 #ifndef __RB_UTIL_H
29 #define __RB_UTIL_H
30 
31 #include <stdarg.h>
32 #include <glib.h>
33 #include <gio/gio.h>
34 #include <gtk/gtk.h>
35 
36 G_BEGIN_DECLS
37 
38 /* Offsets for seeking forward, and rewinding in seconds */
39 #define FFWD_OFFSET 20
40 #define RWD_OFFSET 10
41 
42 #define RB_CHAIN_GOBJECT_METHOD(klass, method, instance) \
43 	if (G_OBJECT_CLASS (klass)->method != NULL) \
44 		G_OBJECT_CLASS (klass)->method (instance);
45 
46 gboolean rb_true_function (gpointer dummy);
47 gboolean rb_false_function (gpointer dummy);
48 gpointer rb_null_function (gpointer dummy);
49 gpointer rb_copy_function (gpointer data);
50 
51 int rb_gvalue_compare (GValue *a, GValue *b);
52 
53 int rb_compare_gtimeval (GTimeVal *a, GTimeVal *b);
54 int rb_safe_strcmp (const char *a, const char *b);
55 char *rb_make_time_string (guint seconds);
56 char *rb_make_duration_string (guint duration);
57 char *rb_make_elapsed_time_string (guint elapsed, guint duration, gboolean show_remaining);
58 
59 void rb_threads_init (void);
60 gboolean rb_is_main_thread (void);
61 
62 gchar* rb_search_fold (const char *original);
63 gchar** rb_string_split_words (const gchar *string);
64 
65 gboolean rb_string_list_equal (GList *a, GList *b);
66 gboolean rb_string_list_contains (GList *list, const char *s);
67 GList* rb_string_list_copy (GList *list);
68 
69 void rb_list_deep_free (GList *list);
70 void rb_list_destroy_free (GList *list, GDestroyNotify destroyer);
71 void rb_slist_deep_free (GSList *list);
72 
73 gboolean rb_str_in_strv (const char *needle, const char **haystack);
74 
75 GList* rb_collate_hash_table_keys (GHashTable *table);
76 GList* rb_collate_hash_table_values (GHashTable *table);
77 
78 GList* rb_uri_list_parse (const char *uri_list);
79 
80 gboolean rb_signal_accumulator_object_handled (GSignalInvocationHint *hint,
81 					       GValue *return_accu,
82 					       const GValue *handler_return,
83 					       gpointer dummy);
84 gboolean rb_signal_accumulator_value_handled (GSignalInvocationHint *hint,
85 					      GValue *return_accu,
86 					      const GValue *handler_return,
87 					      gpointer dummy);
88 gboolean rb_signal_accumulator_boolean_or (GSignalInvocationHint *hint,
89 					   GValue *return_accu,
90 					   const GValue *handler_return,
91 					   gpointer dummy);
92 gboolean rb_signal_accumulator_value_array (GSignalInvocationHint *hint,
93 					    GValue *return_accu,
94 					    const GValue *handler_return,
95 					    gpointer dummy);
96 void rb_value_array_append_data (GArray *array, GType type, ...);
97 void rb_value_free (GValue *val); /* g_value_unset, g_slice_free */
98 
99 void rb_assert_locked (GMutex *mutex);
100 
101 void rb_set_tree_view_column_fixed_width (GtkWidget *treeview,
102 					  GtkTreeViewColumn *column,
103 					  GtkCellRenderer *renderer,
104 					  const char **strings,
105 					  int padding);
106 
107 GdkPixbuf *rb_scale_pixbuf_to_size (GdkPixbuf *pixbuf,
108 				    GtkIconSize size);
109 
110 typedef void (*RBDelayedSyncFunc)(GSettings *settings, gpointer data);
111 
112 void rb_settings_delayed_sync (GSettings *settings, RBDelayedSyncFunc sync_func, gpointer data, GDestroyNotify destroy);
113 
114 void rb_menu_update_link (GMenu *menu, const char *link_attr, GMenuModel *target);
115 
116 G_END_DECLS
117 
118 #endif /* __RB_UTIL_H */
119