152 lines
4.8 KiB
JavaScript
152 lines
4.8 KiB
JavaScript
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Lang = imports.lang;
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const Signals = imports.signals;
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try {
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var IBus = imports.gi.IBus;
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if (!('new_async' in IBus.Bus))
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throw "IBus version is too old";
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const IBusCandidatePopup = imports.ui.ibusCandidatePopup;
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} catch (e) {
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var IBus = null;
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log(e);
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}
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let _ibusManager = null;
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function getIBusManager() {
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if (_ibusManager == null)
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_ibusManager = new IBusManager();
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return _ibusManager;
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}
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const IBusManager = new Lang.Class({
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Name: 'IBusManager',
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_init: function() {
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if (!IBus)
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return;
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IBus.init();
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this._candidatePopup = new IBusCandidatePopup.CandidatePopup();
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this._panelService = null;
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this._engines = {};
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this._ready = false;
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this._registerPropertiesId = 0;
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this._currentEngineName = null;
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this._ibus = IBus.Bus.new_async();
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this._ibus.connect('connected', Lang.bind(this, this._onConnected));
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this._ibus.connect('disconnected', Lang.bind(this, this._clear));
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// Need to set this to get 'global-engine-changed' emitions
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this._ibus.set_watch_ibus_signal(true);
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this._ibus.connect('global-engine-changed', Lang.bind(this, this._engineChanged));
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},
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_clear: function() {
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if (this._panelService)
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this._panelService.destroy();
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this._panelService = null;
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this._candidatePopup.setPanelService(null);
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this._engines = {};
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this._ready = false;
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this._registerPropertiesId = 0;
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this._currentEngineName = null;
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this.emit('ready', false);
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},
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_onConnected: function() {
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this._ibus.list_engines_async(-1, null, Lang.bind(this, this._initEngines));
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this._ibus.request_name_async(IBus.SERVICE_PANEL,
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IBus.BusNameFlag.REPLACE_EXISTING,
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-1, null,
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Lang.bind(this, this._initPanelService));
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},
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_initEngines: function(ibus, result) {
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let enginesList = this._ibus.list_engines_async_finish(result);
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if (enginesList) {
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for (let i = 0; i < enginesList.length; ++i) {
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let name = enginesList[i].get_name();
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this._engines[name] = enginesList[i];
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}
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this._updateReadiness();
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} else {
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this._clear();
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}
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},
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_initPanelService: function(ibus, result) {
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let success = this._ibus.request_name_async_finish(result);
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if (success) {
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this._panelService = new IBus.PanelService({ connection: this._ibus.get_connection(),
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object_path: IBus.PATH_PANEL });
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this._candidatePopup.setPanelService(this._panelService);
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this._panelService.connect('update-property', Lang.bind(this, this._updateProperty));
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// If an engine is already active we need to get its properties
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this._ibus.get_global_engine_async(-1, null, Lang.bind(this, function(i, result) {
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let engine;
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try {
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engine = this._ibus.get_global_engine_async_finish(result);
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if (!engine)
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return;
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} catch(e) {
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return;
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}
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this._engineChanged(this._ibus, engine.get_name());
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}));
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this._updateReadiness();
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} else {
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this._clear();
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}
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},
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_updateReadiness: function() {
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this._ready = (Object.keys(this._engines).length > 0 &&
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this._panelService != null);
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this.emit('ready', this._ready);
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},
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_engineChanged: function(bus, engineName) {
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if (!this._ready)
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return;
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this._currentEngineName = engineName;
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if (this._registerPropertiesId != 0)
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return;
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this._registerPropertiesId =
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this._panelService.connect('register-properties', Lang.bind(this, function(p, props) {
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if (!props.get(0))
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return;
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this._panelService.disconnect(this._registerPropertiesId);
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this._registerPropertiesId = 0;
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this.emit('properties-registered', this._currentEngineName, props);
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}));
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},
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_updateProperty: function(panel, prop) {
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this.emit('property-updated', this._currentEngineName, prop);
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},
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activateProperty: function(key, state) {
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this._panelService.property_activate(key, state);
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},
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getEngineDesc: function(id) {
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if (!IBus || !this._ready)
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return null;
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return this._engines[id];
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}
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});
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Signals.addSignalMethods(IBusManager.prototype);
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