moved from Mate-Extra

1 files changed, 305 insertions, 0 deletions

diff --git a/sound-theme/sound-theme-file-utils.c b/sound-theme/sound-theme-file-utils.c
new file mode 100644
index 0000000..962b617
--- /dev/null
+++ b/sound-theme/sound-theme-file-utils.c
@@ -0,0 +1,305 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ * Copyright (C) 2008 Bastien Nocera <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#include <config.h>
+#include <glib/gstdio.h>
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+#include <utime.h>
+#include <strings.h>
+
+#include "sound-theme-file-utils.h"
+
+#define CUSTOM_THEME_NAME       "__custom"
+
+/* This function needs to be called after each individual
+ * changeset to the theme */
+void
+custom_theme_update_time (void)
+{
+        char *path;
+
+        path = custom_theme_dir_path (NULL);
+        utime (path, NULL);
+        g_free (path);
+}
+
+char *
+custom_theme_dir_path (const char *child)
+{
+        static char *dir = NULL;
+        const char *data_dir;
+
+        if (dir == NULL) {
+                data_dir = g_get_user_data_dir ();
+                dir = g_build_filename (data_dir, "sounds", CUSTOM_THEME_NAME, NULL);
+        }
+        if (child == NULL)
+                return g_strdup (dir);
+
+        return g_build_filename (dir, child, NULL);
+}
+
+static gboolean
+directory_delete_recursive (GFile *directory, GError **error)
+{
+        GFileEnumerator *enumerator;
+        GFileInfo *info;
+        gboolean success = TRUE;
+
+        enumerator = g_file_enumerate_children (directory,
+                                                G_FILE_ATTRIBUTE_STANDARD_NAME ","
+                                                G_FILE_ATTRIBUTE_STANDARD_TYPE,
+                                                G_FILE_QUERY_INFO_NONE,
+                                                NULL, error);
+        if (enumerator == NULL)
+                return FALSE;
+
+        while (success &&
+               (info = g_file_enumerator_next_file (enumerator, NULL, NULL))) {
+                GFile *child;
+
+                child = g_file_get_child (directory, g_file_info_get_name (info));
+
+                if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY) {
+                        success = directory_delete_recursive (child, error);
+                }
+                g_object_unref (info);
+
+                if (success)
+                        success = g_file_delete (child, NULL, error);
+        }
+        g_file_enumerator_close (enumerator, NULL, NULL);
+
+        if (success)
+                success = g_file_delete (directory, NULL, error);
+
+        return success;
+}
+
+/**
+ * capplet_file_delete_recursive :
+ * @file :
+ * @error  :
+ *
+ * A utility routine to delete files and/or directories,
+ * including non-empty directories.
+ **/
+static gboolean
+capplet_file_delete_recursive (GFile *file, GError **error)
+{
+        GFileInfo *info;
+        GFileType type;
+
+        g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+        info = g_file_query_info (file,
+                                  G_FILE_ATTRIBUTE_STANDARD_TYPE,
+                                  G_FILE_QUERY_INFO_NONE,
+                                  NULL, error);
+        if (info == NULL)
+                return FALSE;
+
+        type = g_file_info_get_file_type (info);
+        g_object_unref (info);
+
+        if (type == G_FILE_TYPE_DIRECTORY)
+                return directory_delete_recursive (file, error);
+        else
+                return g_file_delete (file, NULL, error);
+}
+
+void
+delete_custom_theme_dir (void)
+{
+        char *dir;
+        GFile *file;
+
+        dir = custom_theme_dir_path (NULL);
+        file = g_file_new_for_path (dir);
+        g_free (dir);
+        capplet_file_delete_recursive (file, NULL);
+        g_object_unref (file);
+
+        g_debug ("deleted the custom theme dir");
+}
+
+gboolean
+custom_theme_dir_is_empty (void)
+{
+        char            *dir;
+        GFile           *file;
+        gboolean         is_empty;
+        GFileEnumerator *enumerator;
+        GFileInfo       *info;
+        GError          *error = NULL;
+
+        dir = custom_theme_dir_path (NULL);
+        file = g_file_new_for_path (dir);
+        g_free (dir);
+
+        is_empty = TRUE;
+
+        enumerator = g_file_enumerate_children (file,
+                                                G_FILE_ATTRIBUTE_STANDARD_NAME ","
+                                                G_FILE_ATTRIBUTE_STANDARD_TYPE,
+                                                G_FILE_QUERY_INFO_NONE,
+                                                NULL, &error);
+        if (enumerator == NULL) {
+                g_warning ("Unable to enumerate files: %s", error->message);
+                g_error_free (error);
+                goto out;
+        }
+
+        while (is_empty &&
+               (info = g_file_enumerator_next_file (enumerator, NULL, NULL))) {
+
+                if (strcmp ("index.theme", g_file_info_get_name (info)) != 0) {
+                        is_empty = FALSE;
+                }
+
+                g_object_unref (info);
+        }
+        g_file_enumerator_close (enumerator, NULL, NULL);
+
+ out:
+        g_object_unref (file);
+
+        return is_empty;
+}
+
+static void
+delete_one_file (const char *sound_name, const char *pattern)
+{
+        GFile *file;
+        char *name, *filename;
+
+        name = g_strdup_printf (pattern, sound_name);
+        filename = custom_theme_dir_path (name);
+        g_free (name);
+        file = g_file_new_for_path (filename);
+        g_free (filename);
+        capplet_file_delete_recursive (file, NULL);
+        g_object_unref (file);
+}
+
+void
+delete_old_files (const char **sounds)
+{
+        guint i;
+
+        for (i = 0; sounds[i] != NULL; i++) {
+                delete_one_file (sounds[i], "%s.ogg");
+        }
+}
+
+void
+delete_disabled_files (const char **sounds)
+{
+        guint i;
+
+        for (i = 0; sounds[i] != NULL; i++)
+                delete_one_file (sounds[i], "%s.disabled");
+}
+
+static void
+create_one_file (GFile *file)
+{
+        GFileOutputStream* stream;
+
+        stream = g_file_create (file, G_FILE_CREATE_NONE, NULL, NULL);
+        if (stream != NULL) {
+                g_output_stream_close (G_OUTPUT_STREAM (stream), NULL, NULL);
+                g_object_unref (stream);
+        }
+}
+
+void
+add_disabled_file (const char **sounds)
+{
+        guint i;
+
+        for (i = 0; sounds[i] != NULL; i++) {
+                GFile *file;
+                char *name, *filename;
+
+                name = g_strdup_printf ("%s.disabled", sounds[i]);
+                filename = custom_theme_dir_path (name);
+                g_free (name);
+                file = g_file_new_for_path (filename);
+                g_free (filename);
+
+                create_one_file (file);
+                g_object_unref (file);
+        }
+}
+
+void
+add_custom_file (const char **sounds, const char *filename)
+{
+        guint i;
+
+        for (i = 0; sounds[i] != NULL; i++) {
+                GFile *file;
+                char *name, *path;
+
+                /* We use *.ogg because it's the first type of file that
+                 * libcanberra looks at */
+                name = g_strdup_printf ("%s.ogg", sounds[i]);
+                path = custom_theme_dir_path (name);
+                g_free (name);
+                /* In case there's already a link there, delete it */
+                g_unlink (path);
+                file = g_file_new_for_path (path);
+                g_free (path);
+
+                /* Create the link */
+                g_file_make_symbolic_link (file, filename, NULL, NULL);
+                g_object_unref (file);
+        }
+}
+
+void
+create_custom_theme (const char *parent)
+{
+        GKeyFile *keyfile;
+        char     *data;
+        char     *path;
+
+        /* Create the custom directory */
+        path = custom_theme_dir_path (NULL);
+        g_mkdir_with_parents (path, 0755);
+        g_free (path);
+
+        /* Set the data for index.theme */
+        keyfile = g_key_file_new ();
+        g_key_file_set_string (keyfile, "Sound Theme", "Name", _("Custom"));
+        g_key_file_set_string (keyfile, "Sound Theme", "Inherits", parent);
+        g_key_file_set_string (keyfile, "Sound Theme", "Directories", ".");
+        data = g_key_file_to_data (keyfile, NULL, NULL);
+        g_key_file_free (keyfile);
+
+        /* Save the index.theme */
+        path = custom_theme_dir_path ("index.theme");
+        g_file_set_contents (path, data, -1, NULL);
+        g_free (path);
+        g_free (data);
+
+        custom_theme_update_time ();
+}