gnome-shell/js/misc/fileUtils.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported collectFromDatadirs, recursivelyDeleteDir,
recursivelyMoveDir, loadInterfaceXML */
const { Gio, GLib } = imports.gi;
const Config = imports.misc.config;
function collectFromDatadirs(subdir, includeUserDir, processFile) {
let dataDirs = GLib.get_system_data_dirs();
if (includeUserDir)
dataDirs.unshift(GLib.get_user_data_dir());
for (let i = 0; i < dataDirs.length; i++) {
let path = GLib.build_filenamev([dataDirs[i], 'gnome-shell', subdir]);
let dir = Gio.File.new_for_path(path);
let fileEnum;
try {
fileEnum = dir.enumerate_children('standard::name,standard::type',
Gio.FileQueryInfoFlags.NONE, null);
} catch (e) {
fileEnum = null;
}
if (fileEnum != null) {
let info;
while ((info = fileEnum.next_file(null)))
processFile(fileEnum.get_child(info), info);
}
}
}
function recursivelyDeleteDir(dir, deleteParent) {
let children = dir.enumerate_children('standard::name,standard::type',
Gio.FileQueryInfoFlags.NONE, null);
let info;
while ((info = children.next_file(null)) != null) {
let type = info.get_file_type();
let child = dir.get_child(info.get_name());
if (type == Gio.FileType.REGULAR)
child.delete(null);
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else if (type == Gio.FileType.DIRECTORY)
recursivelyDeleteDir(child, true);
}
if (deleteParent)
dir.delete(null);
}
function recursivelyMoveDir(srcDir, destDir) {
let children = srcDir.enumerate_children('standard::name,standard::type',
Gio.FileQueryInfoFlags.NONE, null);
if (!destDir.query_exists(null))
destDir.make_directory_with_parents(null);
let info;
while ((info = children.next_file(null)) != null) {
let type = info.get_file_type();
let srcChild = srcDir.get_child(info.get_name());
let destChild = destDir.get_child(info.get_name());
if (type == Gio.FileType.REGULAR)
srcChild.move(destChild, Gio.FileCopyFlags.NONE, null, null);
else if (type == Gio.FileType.DIRECTORY)
recursivelyMoveDir(srcChild, destChild);
}
}
let _ifaceResource = null;
function loadInterfaceXML(iface) {
if (!_ifaceResource) {
// don't use global.datadir so the method is usable from tests/tools
let dir = GLib.getenv('GNOME_SHELL_DATADIR') || Config.PKGDATADIR;
let path = `${dir}/gnome-shell-dbus-interfaces.gresource`;
_ifaceResource = Gio.Resource.load(path);
_ifaceResource._register();
}
let uri = `resource:///org/gnome/shell/dbus-interfaces/${iface}.xml`;
let f = Gio.File.new_for_uri(uri);
try {
let [ok_, bytes] = f.load_contents(null);
return imports.byteArray.toString(bytes);
} catch (e) {
log(`Failed to load D-Bus interface ${iface}`);
}
return null;
}