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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
'use strict';
module.metadata = {
'stability': 'experimental',
'engines': {
'Palemoon': '> 27',
'Firefox': '> 28'
}
};
const { Class } = require('../../core/heritage');
const { merge } = require('../../util/object');
const { Disposable } = require('../../core/disposable');
const { on, off, emit, setListeners } = require('../../event/core');
const { EventTarget } = require('../../event/target');
const { getNodeView } = require('../../view/core');
const view = require('./view');
const { toggleButtonContract, toggleStateContract } = require('./contract');
const { properties, render, state, register, unregister,
setStateFor, getStateFor, getDerivedStateFor } = require('../state');
const { events: stateEvents } = require('../state/events');
const { events: viewEvents } = require('./view/events');
const events = require('../../event/utils');
const { getActiveTab } = require('../../tabs/utils');
const { id: addonID } = require('../../self');
const { identify } = require('../id');
const buttons = new Map();
const toWidgetId = id =>
('toggle-button--' + addonID.toLowerCase()+ '-' + id).
replace(/[^a-z0-9_-]/g, '');
const ToggleButton = Class({
extends: EventTarget,
implements: [
properties(toggleStateContract),
state(toggleStateContract),
Disposable
],
setup: function setup(options) {
let state = merge({
disabled: false,
checked: false
}, toggleButtonContract(options));
let id = toWidgetId(options.id);
register(this, state);
// Setup listeners.
setListeners(this, options);
buttons.set(id, this);
view.create(merge({ type: 'checkbox' }, state, { id: id }));
},
dispose: function dispose() {
let id = toWidgetId(this.id);
buttons.delete(id);
off(this);
view.dispose(id);
unregister(this);
},
get id() {
return this.state().id;
},
click: function click() {
return view.click(toWidgetId(this.id));
}
});
exports.ToggleButton = ToggleButton;
identify.define(ToggleButton, ({id}) => toWidgetId(id));
getNodeView.define(ToggleButton, button =>
view.nodeFor(toWidgetId(button.id))
);
var toggleButtonStateEvents = events.filter(stateEvents,
e => e.target instanceof ToggleButton);
var toggleButtonViewEvents = events.filter(viewEvents,
e => buttons.has(e.target));
var clickEvents = events.filter(toggleButtonViewEvents, e => e.type === 'click');
var updateEvents = events.filter(toggleButtonViewEvents, e => e.type === 'update');
on(toggleButtonStateEvents, 'data', ({target, window, state}) => {
let id = toWidgetId(target.id);
view.setIcon(id, window, state.icon);
view.setLabel(id, window, state.label);
view.setDisabled(id, window, state.disabled);
view.setChecked(id, window, state.checked);
view.setBadge(id, window, state.badge, state.badgeColor);
});
on(clickEvents, 'data', ({target: id, window, checked }) => {
let button = buttons.get(id);
let windowState = getStateFor(button, window);
let newWindowState = merge({}, windowState, { checked: checked });
setStateFor(button, window, newWindowState);
let state = getDerivedStateFor(button, getActiveTab(window));
emit(button, 'click', state);
emit(button, 'change', state);
});
on(updateEvents, 'data', ({target: id, window}) => {
render(buttons.get(id), window);
});
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