319 lines
11 KiB
JavaScript
319 lines
11 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const GdkPixbuf = imports.gi.GdkPixbuf;
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const Gio = imports.gi.Gio;
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const GLib = imports.gi.GLib;
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const Lang = imports.lang;
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const St = imports.gi.St;
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const Shell = imports.gi.Shell;
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const Search = imports.ui.search;
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const KEY_FILE_GROUP = 'Shell Search Provider';
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const SearchProviderIface = '<node> \
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<interface name="org.gnome.Shell.SearchProvider"> \
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<method name="GetInitialResultSet"> \
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<arg type="as" direction="in" /> \
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<arg type="as" direction="out" /> \
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</method> \
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<method name="GetSubsearchResultSet"> \
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<arg type="as" direction="in" /> \
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<arg type="as" direction="in" /> \
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<arg type="as" direction="out" /> \
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</method> \
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<method name="GetResultMetas"> \
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<arg type="as" direction="in" /> \
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<arg type="aa{sv}" direction="out" /> \
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</method> \
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<method name="ActivateResult"> \
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<arg type="s" direction="in" /> \
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</method> \
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</interface> \
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</node>';
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const SearchProvider2Iface = '<node> \
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<interface name="org.gnome.Shell.SearchProvider2"> \
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<method name="GetInitialResultSet"> \
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<arg type="as" direction="in" /> \
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<arg type="as" direction="out" /> \
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</method> \
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<method name="GetSubsearchResultSet"> \
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<arg type="as" direction="in" /> \
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<arg type="as" direction="in" /> \
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<arg type="as" direction="out" /> \
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</method> \
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<method name="GetResultMetas"> \
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<arg type="as" direction="in" /> \
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<arg type="aa{sv}" direction="out" /> \
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</method> \
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<method name="ActivateResult"> \
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<arg type="s" direction="in" /> \
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<arg type="as" direction="in" /> \
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<arg type="u" direction="in" /> \
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</method> \
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<method name="LaunchSearch"> \
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<arg type="as" direction="in" /> \
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<arg type="u" direction="in" /> \
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</method> \
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</interface> \
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</node>';
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var SearchProviderProxyInfo = Gio.DBusInterfaceInfo.new_for_xml(SearchProviderIface);
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var SearchProvider2ProxyInfo = Gio.DBusInterfaceInfo.new_for_xml(SearchProvider2Iface);
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function loadRemoteSearchProviders(callback) {
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let objectPaths = {};
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let loadedProviders = [];
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function loadRemoteSearchProvider(file) {
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let keyfile = new GLib.KeyFile();
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let path = file.get_path();
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try {
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keyfile.load_from_file(path, 0);
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} catch(e) {
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return;
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}
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if (!keyfile.has_group(KEY_FILE_GROUP))
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return;
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let remoteProvider;
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try {
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let group = KEY_FILE_GROUP;
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let busName = keyfile.get_string(group, 'BusName');
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let objectPath = keyfile.get_string(group, 'ObjectPath');
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if (objectPaths[objectPath])
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return;
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let appInfo = null;
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try {
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let desktopId = keyfile.get_string(group, 'DesktopId');
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appInfo = Gio.DesktopAppInfo.new(desktopId);
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} catch (e) {
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log('Ignoring search provider ' + path + ': missing DesktopId');
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return;
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}
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let version = '1';
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try {
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version = keyfile.get_string(group, 'Version');
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} catch (e) {
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// ignore error
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}
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if (version >= 2)
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remoteProvider = new RemoteSearchProvider2(appInfo, busName, objectPath);
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else
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remoteProvider = new RemoteSearchProvider(appInfo, busName, objectPath);
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objectPaths[objectPath] = remoteProvider;
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loadedProviders.push(remoteProvider);
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} catch(e) {
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log('Failed to add search provider %s: %s'.format(path, e.toString()));
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}
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}
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let searchSettings = new Gio.Settings({ schema: Search.SEARCH_PROVIDERS_SCHEMA });
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if (searchSettings.get_boolean('disable-external')) {
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callback([]);
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return;
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}
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let dataDirs = GLib.get_system_data_dirs();
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dataDirs.forEach(function(dataDir) {
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let path = GLib.build_filenamev([dataDir, 'gnome-shell', 'search-providers']);
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let dir = Gio.File.new_for_path(path);
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let fileEnum;
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try {
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fileEnum = dir.enumerate_children('standard::name,standard::type',
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Gio.FileQueryInfoFlags.NONE, null);
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} catch (e) {
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fileEnum = null;
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}
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if (fileEnum != null) {
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let info;
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while ((info = fileEnum.next_file(null)))
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loadRemoteSearchProvider(fileEnum.get_child(info));
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}
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});
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let sortOrder = searchSettings.get_strv('sort-order');
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// Special case gnome-control-center to be always active and always first
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sortOrder.unshift('gnome-control-center.desktop');
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loadedProviders = loadedProviders.filter(function(provider) {
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let appId = provider.appInfo.get_id();
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let disabled = searchSettings.get_strv('disabled');
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return disabled.indexOf(appId) == -1;
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});
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loadedProviders.sort(function(providerA, providerB) {
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let idxA, idxB;
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let appIdA, appIdB;
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appIdA = providerA.appInfo.get_id();
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appIdB = providerB.appInfo.get_id();
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idxA = sortOrder.indexOf(appIdA);
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idxB = sortOrder.indexOf(appIdB);
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// if no provider is found in the order, use alphabetical order
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if ((idxA == -1) && (idxB == -1)) {
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let nameA = providerA.appInfo.get_name();
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let nameB = providerB.appInfo.get_name();
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return GLib.utf8_collate(nameA, nameB);
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}
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// if providerA isn't found, it's sorted after providerB
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if (idxA == -1)
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return 1;
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// if providerB isn't found, it's sorted after providerA
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if (idxB == -1)
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return -1;
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// finally, if both providers are found, return their order in the list
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return (idxA - idxB);
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});
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callback(loadedProviders);
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}
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const RemoteSearchProvider = new Lang.Class({
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Name: 'RemoteSearchProvider',
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_init: function(appInfo, dbusName, dbusPath, proxyInfo) {
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if (!proxyInfo)
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proxyInfo = SearchProviderProxyInfo;
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this.proxy = new Gio.DBusProxy({ g_bus_type: Gio.BusType.SESSION,
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g_name: dbusName,
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g_object_path: dbusPath,
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g_interface_info: proxyInfo,
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g_interface_name: proxyInfo.name,
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g_flags: (Gio.DBusProxyFlags.DO_NOT_AUTO_START_AT_CONSTRUCTION |
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Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES) });
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this.proxy.init_async(GLib.PRIORITY_DEFAULT, null, null);
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this.appInfo = appInfo;
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this.id = appInfo.get_id();
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this.isRemoteProvider = true;
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},
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createIcon: function(size, meta) {
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let gicon;
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if (meta['icon']) {
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gicon = Gio.icon_deserialize(meta['icon']);
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} else if (meta['gicon']) {
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gicon = Gio.icon_new_for_string(meta['gicon']);
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} else if (meta['icon-data']) {
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let [width, height, rowStride, hasAlpha,
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bitsPerSample, nChannels, data] = meta['icon-data'];
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gicon = Shell.util_create_pixbuf_from_data(data, GdkPixbuf.Colorspace.RGB, hasAlpha,
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bitsPerSample, width, height, rowStride);
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}
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return new St.Icon({ gicon: gicon,
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icon_size: size });
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},
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filterResults: function(results, maxNumber) {
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if (results.length <= maxNumber)
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return results;
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let regularResults = results.filter(function(r) { return !r.startsWith('special:'); });
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let specialResults = results.filter(function(r) { return r.startsWith('special:'); });
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return regularResults.slice(0, maxNumber).concat(specialResults.slice(0, maxNumber));
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},
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_getResultsFinished: function(results, error, callback) {
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if (error) {
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if (!error.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
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log('Received error from DBus search provider %s: %s'.format(this.id, String(error)));
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callback([]);
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return;
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}
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callback(results[0]);
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},
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getInitialResultSet: function(terms, callback, cancellable) {
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this.proxy.GetInitialResultSetRemote(terms,
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Lang.bind(this, this._getResultsFinished, callback),
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cancellable);
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},
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getSubsearchResultSet: function(previousResults, newTerms, callback, cancellable) {
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this.proxy.GetSubsearchResultSetRemote(previousResults, newTerms,
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Lang.bind(this, this._getResultsFinished, callback),
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cancellable);
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},
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_getResultMetasFinished: function(results, error, callback) {
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if (error) {
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if (!error.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED))
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log('Received error from DBus search provider %s during GetResultMetas: %s'.format(this.id, String(error)));
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callback([]);
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return;
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}
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let metas = results[0];
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let resultMetas = [];
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for (let i = 0; i < metas.length; i++) {
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for (let prop in metas[i]) {
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// we can use the serialized icon variant directly
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if (prop != 'icon')
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metas[i][prop] = metas[i][prop].deep_unpack();
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}
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resultMetas.push({ id: metas[i]['id'],
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name: metas[i]['name'],
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description: metas[i]['description'],
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createIcon: Lang.bind(this,
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this.createIcon, metas[i]) });
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}
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callback(resultMetas);
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},
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getResultMetas: function(ids, callback, cancellable) {
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this.proxy.GetResultMetasRemote(ids,
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Lang.bind(this, this._getResultMetasFinished, callback),
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cancellable);
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},
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activateResult: function(id) {
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this.proxy.ActivateResultRemote(id);
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},
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launchSearch: function(terms) {
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// the provider is not compatible with the new version of the interface, launch
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// the app itself but warn so we can catch the error in logs
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log('Search provider ' + this.appInfo.get_id() + ' does not implement LaunchSearch');
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this.appInfo.launch([], global.create_app_launch_context());
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}
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});
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const RemoteSearchProvider2 = new Lang.Class({
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Name: 'RemoteSearchProvider2',
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Extends: RemoteSearchProvider,
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_init: function(appInfo, dbusName, dbusPath) {
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this.parent(appInfo, dbusName, dbusPath, SearchProvider2ProxyInfo);
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this.canLaunchSearch = true;
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},
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activateResult: function(id, terms) {
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this.proxy.ActivateResultRemote(id, terms, global.get_current_time());
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},
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launchSearch: function(terms) {
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this.proxy.LaunchSearchRemote(terms, global.get_current_time());
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}
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});
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