351 lines
14 KiB
JavaScript
351 lines
14 KiB
JavaScript
// Converse.js (A browser based XMPP chat client)
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// https://conversejs.org
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//
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// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
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// Licensed under the Mozilla Public License (MPLv2)
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//
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/*global define, window, document */
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import "converse-chatview";
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import "converse-controlbox";
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import converse from "@converse/headless/converse-core";
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import tpl_dragresize from "templates/dragresize.html";
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const { _ } = converse.env;
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function renderDragResizeHandles (_converse, view) {
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const flyout = view.el.querySelector('.box-flyout');
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const div = document.createElement('div');
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div.innerHTML = tpl_dragresize();
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flyout.insertBefore(
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div,
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flyout.firstChild
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);
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}
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converse.plugins.add('converse-dragresize', {
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/* Plugin dependencies are other plugins which might be
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* overridden or relied upon, and therefore need to be loaded before
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* this plugin.
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*
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* If the setting "strict_plugin_dependencies" is set to true,
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* an error will be raised if the plugin is not found. By default it's
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* false, which means these plugins are only loaded opportunistically.
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*
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* NB: These plugins need to have already been loaded via require.js.
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*/
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dependencies: ["converse-chatview", "converse-headline", "converse-muc-views"],
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enabled (_converse) {
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return _converse.view_mode == 'overlayed';
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},
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overrides: {
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// Overrides mentioned here will be picked up by converse.js's
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// plugin architecture they will replace existing methods on the
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// relevant objects or classes.
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ChatBox: {
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initialize () {
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const { _converse } = this.__super__;
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const result = this.__super__.initialize.apply(this, arguments),
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height = this.get('height'), width = this.get('width'),
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save = this.get('id') === 'controlbox' ? this.set.bind(this) : this.save.bind(this);
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save({
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'height': _converse.applyDragResistance(height, this.get('default_height')),
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'width': _converse.applyDragResistance(width, this.get('default_width')),
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});
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return result;
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}
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},
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ChatBoxView: {
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events: {
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'mousedown .dragresize-top': 'onStartVerticalResize',
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'mousedown .dragresize-left': 'onStartHorizontalResize',
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'mousedown .dragresize-topleft': 'onStartDiagonalResize'
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},
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render () {
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const result = this.__super__.render.apply(this, arguments);
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renderDragResizeHandles(this.__super__._converse, this);
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this.setWidth();
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return result;
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},
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_show () {
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this.initDragResize().setDimensions();
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this.__super__._show.apply(this, arguments);
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}
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},
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HeadlinesBoxView: {
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events: {
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'mousedown .dragresize-top': 'onStartVerticalResize',
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'mousedown .dragresize-left': 'onStartHorizontalResize',
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'mousedown .dragresize-topleft': 'onStartDiagonalResize'
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},
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render () {
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const result = this.__super__.render.apply(this, arguments);
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renderDragResizeHandles(this.__super__._converse, this);
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this.setWidth();
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return result;
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}
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},
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ControlBoxView: {
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events: {
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'mousedown .dragresize-top': 'onStartVerticalResize',
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'mousedown .dragresize-left': 'onStartHorizontalResize',
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'mousedown .dragresize-topleft': 'onStartDiagonalResize'
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},
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render () {
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const result = this.__super__.render.apply(this, arguments);
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renderDragResizeHandles(this.__super__._converse, this);
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this.setWidth();
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return result;
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},
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renderLoginPanel () {
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const result = this.__super__.renderLoginPanel.apply(this, arguments);
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this.initDragResize().setDimensions();
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return result;
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},
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renderControlBoxPane () {
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const result = this.__super__.renderControlBoxPane.apply(this, arguments);
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this.initDragResize().setDimensions();
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return result;
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}
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},
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ChatRoomView: {
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events: {
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'mousedown .dragresize-top': 'onStartVerticalResize',
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'mousedown .dragresize-left': 'onStartHorizontalResize',
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'mousedown .dragresize-topleft': 'onStartDiagonalResize'
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},
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render () {
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const result = this.__super__.render.apply(this, arguments);
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renderDragResizeHandles(this.__super__._converse, this);
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this.setWidth();
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return result;
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}
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}
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},
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initialize () {
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/* The initialize function gets called as soon as the plugin is
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* loaded by converse.js's plugin machinery.
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*/
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const { _converse } = this;
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_converse.api.settings.update({
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'allow_dragresize': true,
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});
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const dragResizable = {
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initDragResize () {
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/* Determine and store the default box size.
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* We need this information for the drag-resizing feature.
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*/
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const flyout = this.el.querySelector('.box-flyout'),
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style = window.getComputedStyle(flyout);
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if (_.isUndefined(this.model.get('height'))) {
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const height = parseInt(style.height.replace(/px$/, ''), 10),
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width = parseInt(style.width.replace(/px$/, ''), 10);
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this.model.set('height', height);
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this.model.set('default_height', height);
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this.model.set('width', width);
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this.model.set('default_width', width);
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}
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const min_width = style['min-width'];
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const min_height = style['min-height'];
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this.model.set('min_width', min_width.endsWith('px') ? Number(min_width.replace(/px$/, '')) :0);
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this.model.set('min_height', min_height.endsWith('px') ? Number(min_height.replace(/px$/, '')) :0);
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// Initialize last known mouse position
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this.prev_pageY = 0;
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this.prev_pageX = 0;
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if (_converse.connection.connected) {
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this.height = this.model.get('height');
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this.width = this.model.get('width');
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}
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return this;
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},
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resizeChatBox (ev) {
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let diff;
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if (_converse.resizing.direction.indexOf('top') === 0) {
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diff = ev.pageY - this.prev_pageY;
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if (diff) {
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this.height = ((this.height-diff) > (this.model.get('min_height') || 0)) ? (this.height-diff) : this.model.get('min_height');
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this.prev_pageY = ev.pageY;
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this.setChatBoxHeight(this.height);
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}
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}
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if (_.includes(_converse.resizing.direction, 'left')) {
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diff = this.prev_pageX - ev.pageX;
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if (diff) {
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this.width = ((this.width+diff) > (this.model.get('min_width') || 0)) ? (this.width+diff) : this.model.get('min_width');
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this.prev_pageX = ev.pageX;
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this.setChatBoxWidth(this.width);
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}
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}
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},
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setWidth () {
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// If a custom width is applied (due to drag-resizing),
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// then we need to set the width of the .chatbox element as well.
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if (this.model.get('width')) {
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this.el.style.width = this.model.get('width');
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}
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},
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setDimensions () {
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// Make sure the chat box has the right height and width.
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this.adjustToViewport();
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this.setChatBoxHeight(this.model.get('height'));
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this.setChatBoxWidth(this.model.get('width'));
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},
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setChatBoxHeight (height) {
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if (height) {
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height = _converse.applyDragResistance(height, this.model.get('default_height'))+'px';
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} else {
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height = "";
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}
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const flyout_el = this.el.querySelector('.box-flyout');
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if (!_.isNull(flyout_el)) {
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flyout_el.style.height = height;
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}
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},
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setChatBoxWidth (width) {
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if (width) {
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width = _converse.applyDragResistance(width, this.model.get('default_width'))+'px';
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} else {
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width = "";
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}
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this.el.style.width = width;
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const flyout_el = this.el.querySelector('.box-flyout');
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if (!_.isNull(flyout_el)) {
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flyout_el.style.width = width;
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}
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},
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adjustToViewport () {
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/* Event handler called when viewport gets resized. We remove
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* custom width/height from chat boxes.
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*/
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const viewport_width = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
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const viewport_height = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
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if (viewport_width <= 480) {
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this.model.set('height', undefined);
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this.model.set('width', undefined);
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} else if (viewport_width <= this.model.get('width')) {
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this.model.set('width', undefined);
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} else if (viewport_height <= this.model.get('height')) {
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this.model.set('height', undefined);
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}
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},
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onStartVerticalResize (ev) {
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if (!_converse.allow_dragresize) { return true; }
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// Record element attributes for mouseMove().
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const flyout = this.el.querySelector('.box-flyout'),
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style = window.getComputedStyle(flyout);
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this.height = parseInt(style.height.replace(/px$/, ''), 10);
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_converse.resizing = {
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'chatbox': this,
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'direction': 'top'
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};
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this.prev_pageY = ev.pageY;
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},
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onStartHorizontalResize (ev) {
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if (!_converse.allow_dragresize) { return true; }
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const flyout = this.el.querySelector('.box-flyout'),
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style = window.getComputedStyle(flyout);
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this.width = parseInt(style.width.replace(/px$/, ''), 10);
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_converse.resizing = {
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'chatbox': this,
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'direction': 'left'
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};
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this.prev_pageX = ev.pageX;
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},
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onStartDiagonalResize (ev) {
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this.onStartHorizontalResize(ev);
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this.onStartVerticalResize(ev);
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_converse.resizing.direction = 'topleft';
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},
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};
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Object.assign(_converse.ChatBoxView.prototype, dragResizable);
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_converse.applyDragResistance = function (value, default_value) {
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/* This method applies some resistance around the
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* default_value. If value is close enough to
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* default_value, then default_value is returned instead.
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*/
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if (_.isUndefined(value)) {
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return undefined;
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} else if (_.isUndefined(default_value)) {
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return value;
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}
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const resistance = 10;
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if ((value !== default_value) &&
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(Math.abs(value- default_value) < resistance)) {
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return default_value;
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}
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return value;
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};
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/************************ BEGIN Event Handlers ************************/
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function registerGlobalEventHandlers () {
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document.addEventListener('mousemove', function (ev) {
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if (!_converse.resizing || !_converse.allow_dragresize) { return true; }
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ev.preventDefault();
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_converse.resizing.chatbox.resizeChatBox(ev);
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});
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document.addEventListener('mouseup', function (ev) {
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if (!_converse.resizing || !_converse.allow_dragresize) { return true; }
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ev.preventDefault();
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const height = _converse.applyDragResistance(
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_converse.resizing.chatbox.height,
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_converse.resizing.chatbox.model.get('default_height')
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);
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const width = _converse.applyDragResistance(
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_converse.resizing.chatbox.width,
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_converse.resizing.chatbox.model.get('default_width')
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);
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if (_converse.connection.connected) {
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_converse.resizing.chatbox.model.save({'height': height});
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_converse.resizing.chatbox.model.save({'width': width});
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} else {
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_converse.resizing.chatbox.model.set({'height': height});
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_converse.resizing.chatbox.model.set({'width': width});
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}
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_converse.resizing = null;
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});
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}
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_converse.api.listen.on('registeredGlobalEventHandlers', registerGlobalEventHandlers);
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_converse.api.listen.on('chatBoxInitialized', view => {
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window.addEventListener('resize', _.debounce(() => view.setDimensions(), 100));
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});
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/************************ END Event Handlers ************************/
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}
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});
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