7e12222d33
remove the plugin event handlers from the event manager fix enabling/disabling plugins when the preferences page hasn't been rendered yet
128 lines
3.8 KiB
JavaScript
128 lines
3.8 KiB
JavaScript
/*!
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* Deluge.EventsManager.js
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*
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* Copyright (c) Damien Churchill 2009-2010 <damoxc@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, write to:
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* The Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the OpenSSL
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* library.
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* You must obey the GNU General Public License in all respects for all of
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* the code used other than OpenSSL. If you modify file(s) with this
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* exception, you may extend this exception to your version of the file(s),
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* but you are not obligated to do so. If you do not wish to do so, delete
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* this exception statement from your version. If you delete this exception
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* statement from all source files in the program, then also delete it here.
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*/
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/**
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* @class Deluge.EventsManager
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* @extends Ext.util.Observable
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* <p>Deluge.EventsManager is instantated as <tt>deluge.events</tt> and can be used by components of the UI to fire global events</p>
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* Class for holding global events that occur within the UI.
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*/
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Deluge.EventsManager = Ext.extend(Ext.util.Observable, {
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constructor: function() {
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this.toRegister = [];
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this.on('login', this.onLogin, this);
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Deluge.EventsManager.superclass.constructor.call(this);
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},
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/**
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* Append an event handler to this object.
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*/
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addListener: function(eventName, fn, scope, o) {
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this.addEvents(eventName);
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if (/[A-Z]/.test(eventName.substring(0, 1))) {
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if (!deluge.client) {
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this.toRegister.push(eventName);
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} else {
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deluge.client.web.register_event_listener(eventName);
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}
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}
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Deluge.EventsManager.superclass.addListener.call(this, eventName, fn, scope, o);
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},
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getEvents: function() {
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deluge.client.web.get_events({
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success: this.onGetEventsSuccess,
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failure: this.onGetEventsFailure,
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scope: this
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});
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},
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/**
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* Starts the EventsManagerManager checking for events.
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*/
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start: function() {
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Ext.each(this.toRegister, function(eventName) {
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deluge.client.web.register_event_listener(eventName);
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});
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this.running = true;
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this.errorCount = 0;
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this.getEvents();
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},
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/**
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* Stops the EventsManagerManager checking for events.
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*/
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stop: function() {
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this.running = false;
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},
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// private
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onLogin: function() {
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this.start();
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},
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onGetEventsSuccess: function(events) {
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if (!events) return;
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Ext.each(events, function(event) {
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var name = event[0], args = event[1];
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args.splice(0, 0, name);
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this.fireEvent.apply(this, args);
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}, this);
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if (this.running) this.getEvents();
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},
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// private
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onGetEventsFailure: function(result, error) {
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// the request timed out or we had a communication failure
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if (!this.running) return;
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if (!error.isTimeout && this.errorCount++ >= 3) {
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this.stop();
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return;
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}
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this.getEvents();
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}
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});
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/**
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* Appends an event handler to this object (shorthand for {@link #addListener})
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* @method
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*/
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Deluge.EventsManager.prototype.on = Deluge.EventsManager.prototype.addListener
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/**
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* Fires the specified event with the passed parameters (minus the
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* event name).
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* @method
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*/
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Deluge.EventsManager.prototype.fire = Deluge.EventsManager.prototype.fireEvent
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deluge.events = new Deluge.EventsManager();
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