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-/**
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- * @module converse-dragresize
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- * @copyright 2020, the Converse.js contributors
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- * @license Mozilla Public License (MPLv2)
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- */
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-import "./chatview/index.js";
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-import "./controlbox/index.js";
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-import { debounce } from "lodash-es";
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-import { _converse, api, converse } from "@converse/headless/core";
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-import tpl_dragresize from "../templates/dragresize.html";
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-
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-const u = converse.env.utils;
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-
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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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-
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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-headlines-view", "converse-muc-views"],
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-
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- enabled (_converse) {
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- return _converse.api.settings.get("view_mode") == 'overlayed';
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- },
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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 result = this.__super__.initialize.apply(this, arguments);
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- const height = this.get('height'), width = this.get('width');
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- const save = this.get('id') === 'controlbox' ? a => this.set(a) : a => this.save(a);
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- save({
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- 'height': u.applyDragResistance(height, this.get('default_height')),
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- 'width': u.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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-
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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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-
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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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- 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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-
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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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- 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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-
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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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- 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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-
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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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-
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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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-
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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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-
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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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- api.settings.extend({
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- 'allow_dragresize': true,
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- });
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-
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-
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- const dragResizable = {
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-
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- initDragResize () {
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- const view = this;
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- const debouncedSetDimensions = debounce(() => view.setDimensions());
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- window.addEventListener('resize', view.debouncedSetDimensions)
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- this.listenTo(this.model, 'destroy', () => window.removeEventListener('resize', debouncedSetDimensions));
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-
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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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- const flyout = this.el.querySelector('.box-flyout');
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- const style = window.getComputedStyle(flyout);
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-
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- if (this.model.get('height') === undefined) {
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- const height = parseInt(style.height.replace(/px$/, ''), 10);
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- const width = parseInt(style.width.replace(/px$/, ''), 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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-
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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 (_converse.resizing.direction.includes('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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-
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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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-
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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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-
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- setChatBoxHeight (height) {
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- if (height) {
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- height = u.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 (flyout_el !== null) {
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- flyout_el.style.height = height;
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- }
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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 = u.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 (flyout_el !== null) {
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- flyout_el.style.width = width;
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- }
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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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-
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- onStartVerticalResize (ev, trigger=true) {
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- if (!api.settings.get('allow_dragresize')) {
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- return true;
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- }
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- ev.preventDefault();
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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$/, ''), 10);
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- _converse.resizing = {
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- 'chatbox': this,
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- 'direction': 'top'
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- };
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- this.prev_pageY = ev.pageY;
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- if (trigger) {
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- /**
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- * Triggered once the user starts to vertically resize a {@link _converse.ChatBoxView}
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- * @event _converse#startVerticalResize
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- * @example _converse.api.listen.on('startVerticalResize', (view) => { ... });
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- */
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- api.trigger('startVerticalResize', this);
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- }
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- },
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-
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- onStartHorizontalResize (ev, trigger=true) {
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- if (!api.settings.get('allow_dragresize')) {
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- return true;
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- }
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- ev.preventDefault();
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- const flyout = this.el.querySelector('.box-flyout'),
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- style = window.getComputedStyle(flyout);
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- this.width = parseInt(style.width.replace(/px$/, ''), 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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- if (trigger) {
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- /**
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- * Triggered once the user starts to horizontally resize a {@link _converse.ChatBoxView}
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- * @event _converse#startHorizontalResize
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- * @example _converse.api.listen.on('startHorizontalResize', (view) => { ... });
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- */
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- api.trigger('startHorizontalResize', this);
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- }
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-
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- },
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-
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- onStartDiagonalResize (ev) {
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- this.onStartHorizontalResize(ev, false);
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- this.onStartVerticalResize(ev, false);
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- _converse.resizing.direction = 'topleft';
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- /**
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- * Triggered once the user starts to diagonally resize a {@link _converse.ChatBoxView}
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- * @event _converse#startDiagonalResize
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- * @example _converse.api.listen.on('startDiagonalResize', (view) => { ... });
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- */
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- api.trigger('startDiagonalResize', this);
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- },
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- };
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- Object.assign(_converse.ChatBoxView.prototype, dragResizable);
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-
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-
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- u.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 (value === undefined) {
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- return undefined;
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- } else if (default_value === undefined) {
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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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-
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-
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- function onMouseMove (ev) {
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- if (!_converse.resizing || !api.settings.get('allow_dragresize')) {
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- return true;
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- }
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- ev.preventDefault();
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- _converse.resizing.chatbox.resizeChatBox(ev);
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- }
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-
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-
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- function onMouseUp (ev) {
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- if (!_converse.resizing || !api.settings.get('allow_dragresize')) {
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- return true;
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- }
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- ev.preventDefault();
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- const height = u.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 = u.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 (api.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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- /************************ BEGIN Event Handlers ************************/
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- function registerGlobalEventHandlers () {
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- document.addEventListener('mousemove', onMouseMove);
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- document.addEventListener('mouseup', onMouseUp);
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- }
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-
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- function unregisterGlobalEventHandlers () {
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- document.removeEventListener('mousemove', onMouseMove);
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- document.removeEventListener('mouseup', onMouseUp);
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- }
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-
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- api.listen.on('registeredGlobalEventHandlers', registerGlobalEventHandlers);
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- api.listen.on('unregisteredGlobalEventHandlers', unregisterGlobalEventHandlers);
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- api.listen.on('beforeShowingChatView', view => view.initDragResize().setDimensions());
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- /************************ END Event Handlers ************************/
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- }
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-});
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JC Brand