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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:54:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:54:43 +0000
commite4283f6d48b98e764b988b43bbc86b9d52e6ec94 (patch)
treec8f7f7a6c2f5faa2942d27cefc6fd46cca492656 /js/misc/dbusUtils.js
parentInitial commit. (diff)
downloadgnome-shell-e4283f6d48b98e764b988b43bbc86b9d52e6ec94.tar.xz
gnome-shell-e4283f6d48b98e764b988b43bbc86b9d52e6ec94.zip
Adding upstream version 43.9.upstream/43.9upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/misc/dbusUtils.js')
-rw-r--r--js/misc/dbusUtils.js68
1 files changed, 68 insertions, 0 deletions
diff --git a/js/misc/dbusUtils.js b/js/misc/dbusUtils.js
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+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported loadInterfaceXML, loadSubInterfaceXML */
+
+const Config = imports.misc.config;
+const { Gio, GLib } = imports.gi;
+
+let _ifaceResource = null;
+
+/**
+ * @private
+ */
+function _ensureIfaceResource() {
+ if (_ifaceResource)
+ return;
+
+ // don't use global.datadir so the method is usable from tests/tools
+ let dir = GLib.getenv('GNOME_SHELL_DATADIR') || Config.PKGDATADIR;
+ let path = `${dir}/gnome-shell-dbus-interfaces.gresource`;
+ _ifaceResource = Gio.Resource.load(path);
+ _ifaceResource._register();
+}
+
+/**
+ * @param {string} iface the interface name
+ * @returns {string | null} the XML string or null if it is not found
+ */
+function loadInterfaceXML(iface) {
+ _ensureIfaceResource();
+
+ let uri = `resource:///org/gnome/shell/dbus-interfaces/${iface}.xml`;
+ let f = Gio.File.new_for_uri(uri);
+
+ try {
+ let [ok_, bytes] = f.load_contents(null);
+ return new TextDecoder().decode(bytes);
+ } catch (e) {
+ log(`Failed to load D-Bus interface ${iface}`);
+ }
+
+ return null;
+}
+
+/**
+ * @param {string} iface the interface name
+ * @param {string} ifaceFile the interface filename
+ * @returns {string | null} the XML string or null if it is not found
+ */
+function loadSubInterfaceXML(iface, ifaceFile) {
+ let xml = loadInterfaceXML(ifaceFile);
+ if (!xml)
+ return null;
+
+ let ifaceStartTag = `<interface name="${iface}">`;
+ let ifaceStopTag = '</interface>';
+ let ifaceStartIndex = xml.indexOf(ifaceStartTag);
+ let ifaceEndIndex = xml.indexOf(ifaceStopTag, ifaceStartIndex + 1) + ifaceStopTag.length;
+
+ let xmlHeader = '<!DOCTYPE node PUBLIC\n' +
+ '\'-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\'\n' +
+ '\'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\'>\n' +
+ '<node>\n';
+ let xmlFooter = '</node>';
+
+ return (
+ xmlHeader +
+ xml.substr(ifaceStartIndex, ifaceEndIndex - ifaceStartIndex) +
+ xmlFooter);
+}