345 lines
11 KiB
JavaScript
345 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 FileUtils = imports.misc.fileUtils;
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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 = `
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<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 = `
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<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(searchSettings, 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 autoStart = true;
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try {
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autoStart = keyfile.get_boolean(group, 'AutoStart');
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} catch(e) {
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// ignore error
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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, autoStart);
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else
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remoteProvider = new RemoteSearchProvider(appInfo, busName, objectPath, autoStart);
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remoteProvider.defaultEnabled = true;
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try {
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remoteProvider.defaultEnabled = !keyfile.get_boolean(group, 'DefaultDisabled');
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} catch(e) {
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// ignore error
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}
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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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if (searchSettings.get_boolean('disable-external')) {
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callback([]);
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return;
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}
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FileUtils.collectFromDatadirs('search-providers', false, loadRemoteSearchProvider);
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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(provider => {
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let appId = provider.appInfo.get_id();
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if (provider.defaultEnabled) {
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let disabled = searchSettings.get_strv('disabled');
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return disabled.indexOf(appId) == -1;
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} else {
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let enabled = searchSettings.get_strv('enabled');
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return enabled.indexOf(appId) != -1;
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}
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});
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loadedProviders.sort((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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var RemoteSearchProvider = new Lang.Class({
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Name: 'RemoteSearchProvider',
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_init(appInfo, dbusName, dbusPath, autoStart, proxyInfo) {
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if (!proxyInfo)
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proxyInfo = SearchProviderProxyInfo;
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let g_flags = Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES;
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if (autoStart)
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g_flags |= Gio.DBusProxyFlags.DO_NOT_AUTO_START_AT_CONSTRUCTION;
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else
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g_flags |= Gio.DBusProxyFlags.DO_NOT_AUTO_START;
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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 });
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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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this.canLaunchSearch = false;
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},
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createIcon(size, meta) {
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let gicon = null;
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let icon = null;
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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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if (gicon)
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icon = new St.Icon({ gicon: gicon,
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icon_size: size });
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return icon;
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},
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filterResults(results, maxNumber) {
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if (results.length <= maxNumber)
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return results;
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let regularResults = results.filter(r => !r.startsWith('special:'));
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let specialResults = results.filter(r => 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(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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return;
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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(terms, callback, cancellable) {
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this.proxy.GetInitialResultSetRemote(terms,
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(results, error) => {
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this._getResultsFinished(results, error, callback);
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},
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cancellable);
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},
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getSubsearchResultSet(previousResults, newTerms, callback, cancellable) {
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this.proxy.GetSubsearchResultSetRemote(previousResults, newTerms,
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(results, error) => {
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this._getResultsFinished(results, error, callback);
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},
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cancellable);
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},
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_getResultMetasFinished(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: size => {
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return this.createIcon(size, metas[i]);
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},
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clipboardText: metas[i]['clipboardText'] });
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}
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callback(resultMetas);
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},
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getResultMetas(ids, callback, cancellable) {
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this.proxy.GetResultMetasRemote(ids,
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(results, error) => {
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this._getResultMetasFinished(results, error, callback);
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},
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cancellable);
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},
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activateResult(id) {
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this.proxy.ActivateResultRemote(id);
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},
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launchSearch(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(0, -1));
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}
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});
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var RemoteSearchProvider2 = new Lang.Class({
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Name: 'RemoteSearchProvider2',
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Extends: RemoteSearchProvider,
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_init(appInfo, dbusName, dbusPath, autoStart) {
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this.parent(appInfo, dbusName, dbusPath, autoStart, SearchProvider2ProxyInfo);
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this.canLaunchSearch = true;
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},
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activateResult(id, terms) {
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this.proxy.ActivateResultRemote(id, terms, global.get_current_time());
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},
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launchSearch(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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