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10
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1 'use strict';
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2
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18
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3 let title = document.title;
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10
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4 let currentChatId = null;
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12
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5 let eventSource;
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30
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6 let lastUpdate;
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31
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7 let hasUnseen = false;
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10
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8
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16
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9 function evalEvent(event) {
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17
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10 // console.log(event);
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16
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11 eval(event.data);
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12 }
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13
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15
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14 function setUserEventSource(userId) {
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15 let userEventSource = new EventSource(`${location.origin}/user/${userId}`);
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16
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16 userEventSource.onmessage = evalEvent;
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15
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17 }
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18
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10
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19 function selectChat(div) {
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27
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20 document.querySelector('div[content]').setAttribute('show','posts');
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10
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21 let chatId = div.getAttribute('chat');
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22 if( chatId === currentChatId )
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23 return;
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24 let selected = div.parentNode.querySelector('[selected]');
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25 if( selected ) selected.removeAttribute('selected');
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26 div.setAttribute('selected','');
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27 ajax(`get_chat.js?chat=${chatId}`);
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28 currentChatId = chatId;
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12
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29
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30 if(eventSource) eventSource.close();
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31 eventSource = new EventSource(`${location.origin}/chat/${chatId}`);
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16
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32 eventSource.onmessage = evalEvent;
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12
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33 }
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34
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27
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35 function back() {
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36 document.querySelector('div[content]').setAttribute('show','chats');
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37 }
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38
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12
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39 function gotChat(html) {
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40 document.querySelector('div[posts]').innerHTML = html;
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19
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41 fixPosts();
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12
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42 document.querySelector('div[input] textarea').focus();
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43 document.querySelector('div[input]').scrollIntoView({block: 'end'});
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10
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44 }
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45
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46 function fixTextarea(event) {
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47 let textarea = event.target;
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48 textarea.style.height = 'initial';
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49 textarea.style.height = (textarea.scrollHeight+2) + 'px';
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50 textarea.scrollIntoViewIfNeeded(false);
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51 }
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52
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53 const isMobile = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
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54
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55 function addPost() {
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56 let textarea = document.querySelector('div[input] textarea');
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57 let text = textarea.value;
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58 if( text.trim() === '' )
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59 return;
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24
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60 ajax(`add_post.js?chat=${currentChatId}`,`content=${encodeURIComponent(text)}`);
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61 textarea.value = '';
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62 }
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63
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64 function textareaKey(event) {
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65 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
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66 event.preventDefault();
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67 addPost();
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68 }
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69 }
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70
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19
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71 function fixPosts() {
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72 let spans = document.querySelectorAll('span[when][fix]');
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73 for( let span of spans ) {
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74 span.textContent = new Date(Number(span.textContent)).toLocaleString();
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75 span.removeAttribute('fix');
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76 }
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19
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77 let divs = document.querySelectorAll('div[text][fix]');
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78 for( let div of divs ) {
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79 div.innerHTML = urlsToLinks(div.innerHTML);
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80 div.removeAttribute('fix');
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81 }
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10
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82 }
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11
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83
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84 function deleteChat() {
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20
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85 let dialog = document.querySelector('dialog[delete_chat]');
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86 openModal(dialog);
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87 }
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88
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89 function doDeleteChat(el) {
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90 closeModal(el);
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91 ajax(`delete_chat.js?chat=${currentChatId}`);
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92 }
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12
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93
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23
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94 let currentPostId;
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95
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96 function deletePost(postId) {
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97 currentPostId = postId;
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98 let dialog = document.querySelector('dialog[delete_post]');
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99 openModal(dialog);
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100 }
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101
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102 function doDeletePost(el) {
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103 closeModal(el);
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104 ajax(`delete_post.js?post=${currentPostId}`);
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105 }
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106
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107 function deleted(postId) {
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108 let div = document.querySelector(`div[post="${postId}"]`);
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109 if( div )
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110 div.outerHTML = '';
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111 }
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112
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24
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113 function editPost(postId) {
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114 ajax(`edit_post.js?post=${postId}`);
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115 }
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116
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117 function openEditPost(postId,text) {
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118 currentPostId = postId;
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119 let dialog = document.querySelector('dialog[edit_post]');
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120 let textarea = dialog.querySelector('textarea');
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121 textarea.value = text;
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122 openModal(dialog);
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123 }
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124
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125 function savePost(el) {
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126 let text = document.querySelector('dialog[edit_post] textarea').value;
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127 closeModal(el);
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128 ajax(`save_post.js?post=${currentPostId}`,`content=${encodeURIComponent(text)}`);
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129 }
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130
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131 function edited(postId,html) {
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132 let div = document.querySelector(`div[post="${postId}"]`);
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133 if( div ) {
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134 div.outerHTML = html;
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135 fixPosts();
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136 }
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137 }
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138
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12
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139 function added(html) {
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140 let input = document.querySelector('div[input]');
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141 input.insertAdjacentHTML('beforebegin',html);
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19
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142 fixPosts();
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12
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143 input.scrollIntoView({block: 'end'});
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144 }
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15
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145
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30
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146 function getChats(chatId,updated) {
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15
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147 let first = document.querySelector('div[chat]');
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148 if( !first || first.getAttribute('chat') != chatId ) {
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149 // console.log('getChats');
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150 ajax('get_chats.js');
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151 }
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30
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152 if( updated )
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153 lastUpdate = updated;
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31
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154 if( !document.hasFocus() && !hasUnseen ) {
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155 document.title = title + ' *';
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156 notify();
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157 hasUnseen = true;
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158 }
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15
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159 }
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160
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161 function gotChats(html) {
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162 document.querySelector('div[chats]').innerHTML = html;
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163 if( currentChatId ) {
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164 let current = document.querySelector(`div[chat="${currentChatId}"]`);
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16
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165 if( current ) {
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166 current.setAttribute('selected','');
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167 current.scrollIntoViewIfNeeded(false);
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168 } else {
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169 currentChatId = null;
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170 document.querySelector('div[posts]').innerHTML = '';
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171 }
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15
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172 }
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173 }
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18
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174
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175 window.onfocus = function() {
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33
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176 // console.log('onfocus');
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18
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177 document.title = title;
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31
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178 hasUnseen = false;
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18
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179 };
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19
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180
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181 let urlRegex = /(^|\s)(https?:\/\/\S+)/g;
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182
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183 function urlsToLinks(text) {
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184 return text.replace( urlRegex, '$1<a href="$2">$2</a>' );
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185 }
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22
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186
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187 let currentPulldown = null;
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188 let newPulldown = null;
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189
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190 function clickMenu(clicked,display) {
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191 //console.log("clickMenu");
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192 let pulldown = clicked.parentNode.querySelector('div');
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193 if( pulldown !== currentPulldown ) {
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194 pulldown.style.display = display || "block";
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195 newPulldown = pulldown;
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196 window.onclick = function() {
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197 //console.log("window.onclick");
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198 if( currentPulldown ) {
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199 currentPulldown.style.display = "none";
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200 if( !newPulldown )
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201 window.onclick = null;
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202 }
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203 currentPulldown = newPulldown;
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204 newPulldown = null;
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205 };
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206 pulldown.scrollIntoViewIfNeeded(false);
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207 }
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208 }
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30
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209
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210 setInterval(function(){
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33
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211 showOnline();
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30
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212 ajax(`heartbeat.js?last_update=${lastUpdate}`);
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213 }, 10000 );
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30
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214
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215 function resync(updated) {
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216 lastUpdate = updated;
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217 currentChatId = null;
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218 document.querySelector('div[posts]').innerHTML = '';
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32
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219 back();
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220 ajax('get_chats.js');
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221 }
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31
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222
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223 let sound = new Audio('/images/notify.mp3');
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224 function notify() {
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225 sound.play();
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226 }
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227
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33
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228 let online = {};
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229
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230 function setOnline(userId) {
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231 online[userId] = Date.now();
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232 }
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233
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234 function showOnline() {
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235 let old = Date.now() - 20000;
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236 for( let id of Object.keys(online) ) {
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237 if( online[id] < old )
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238 delete online[id];
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239 }
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240 let a = [];
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241 for( let id in online ) {
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242 a.push( `span[online="${id}"]` );
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243 }
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244 let style = document.querySelector('style[online]');
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245 if( a.length === 0 ) {
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246 style.innerHTML = '';
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247 } else {
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248 style.innerHTML = `
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249 ${a.join(', ')} {
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250 background-color: green;
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251 }
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252 ` ;
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253 }
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254 }
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