From 4ee2559eaaf2a94ac26c265517e9604a72729360 Mon Sep 17 00:00:00 2001 From: Stefano Karapetsas Date: Sun, 11 Dec 2011 13:11:15 +0100 Subject: moved from Mate-Extra --- sound-theme/sound-theme-file-utils.c | 305 +++++++++++++++++++++++++++++++++++ 1 file changed, 305 insertions(+) create mode 100644 sound-theme/sound-theme-file-utils.c (limited to 'sound-theme/sound-theme-file-utils.c') 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 + * + * 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 +#include +#include +#include +#include +#include + +#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 (); +} -- cgit v1.2.1