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-rw-r--r--sound-theme/sound-theme-file-utils.c305
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diff --git a/sound-theme/sound-theme-file-utils.c b/sound-theme/sound-theme-file-utils.c
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+++ b/sound-theme/sound-theme-file-utils.c
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+/* -*- 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 ();
+}
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