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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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73
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6 let lastUpdate = Date.now();
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35
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7 let userId;
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63
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8 let filebinUrl;
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10
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9
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16
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10 function evalEvent(event) {
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17
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11 // console.log(event);
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16
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12 eval(event.data);
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13 }
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14
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15
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15 function setUserEventSource(userId) {
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16 let userEventSource = new EventSource(`${location.origin}/user/${userId}`);
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16
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17 userEventSource.onmessage = evalEvent;
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15
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18 }
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19
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59
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20 function selectChat(chatId) {
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48
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21 document.querySelector('div[chat_content]').setAttribute('show','posts');
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10
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22 if( chatId === currentChatId )
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23 return;
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59
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24 let div = document.querySelector(`div[chat="${chatId}"]`);
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10
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25 let selected = div.parentNode.querySelector('[selected]');
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26 if( selected ) selected.removeAttribute('selected');
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27 div.setAttribute('selected','');
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28 ajax(`get_chat.js?chat=${chatId}`);
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29 currentChatId = chatId;
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59
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30 history.replaceState(null,null,`?chat=${chatId}`);
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53
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31 clearUnread();
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12
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32
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33 if(eventSource) eventSource.close();
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34 eventSource = new EventSource(`${location.origin}/chat/${chatId}`);
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16
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35 eventSource.onmessage = evalEvent;
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12
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36 }
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37
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27
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38 function back() {
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48
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39 document.querySelector('div[chat_content]').setAttribute('show','chats');
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27
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40 }
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41
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12
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42 function gotChat(html) {
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43 document.querySelector('div[posts]').innerHTML = html;
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19
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44 fixPosts();
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12
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45 document.querySelector('div[input] textarea').focus();
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46 document.querySelector('div[input]').scrollIntoView({block: 'end'});
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10
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47 }
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48
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49 function fixTextarea(event) {
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50 let textarea = event.target;
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51 textarea.style.height = 'initial';
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52 textarea.style.height = (textarea.scrollHeight+2) + 'px';
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53 textarea.scrollIntoViewIfNeeded(false);
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54 }
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55
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56 const isMobile = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
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57
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58 function addPost() {
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59 let textarea = document.querySelector('div[input] textarea');
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60 let text = textarea.value;
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61 if( text.trim() === '' )
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62 return;
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79
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63 let url = `add_post.js?chat=${currentChatId}`;
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64 let reply = document.querySelector('div[reply]').getAttribute('reply');
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65 if( reply )
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66 url += `&reply=${reply}`;
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67 ajax(url,`content=${encodeURIComponent(text)}`);
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68 textarea.value = '';
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84
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69 textarea.style.height = 'initial';
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79
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70 closeReply();
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10
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71 }
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72
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73 function textareaKey(event) {
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74 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
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75 event.preventDefault();
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76 addPost();
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77 }
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78 }
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79
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78
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80 function editTextareaKey(event) {
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81 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
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82 event.preventDefault();
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83 savePost(event.target);
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84 }
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85 }
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86
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19
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87 function fixPosts() {
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35
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88 let divs = document.querySelectorAll('div[post][fix]');
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19
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89 for( let div of divs ) {
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79
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90 for( let whenSpan of div.querySelectorAll('[when]') ) {
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91 whenSpan.textContent = new Date(Number(whenSpan.textContent)).toLocaleString([],{dateStyle:'short',timeStyle:'short'});
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92 }
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35
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93 let textDiv = div.querySelector('div[text]');
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94 textDiv.innerHTML = urlsToLinks(textDiv.innerHTML);
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79
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95 let reply = div.querySelector('blockquote');
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96 if( reply )
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97 reply.innerHTML = urlsToLinks(reply.innerHTML);
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98 let html;
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99 if( div.getAttribute('author') === userId ) {
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100 html = document.querySelector('div[hidden] span[pulldown=author]').innerHTML;
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101 } else {
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102 html = document.querySelector('div[hidden] span[pulldown=other]').innerHTML;
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103 }
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104 div.querySelector('span[pulldown]').innerHTML = html;
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19
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105 div.removeAttribute('fix');
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106 }
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10
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107 }
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11
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108
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109 function deleteChat() {
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20
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110 let dialog = document.querySelector('dialog[delete_chat]');
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111 openModal(dialog);
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112 }
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113
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114 function doDeleteChat(el) {
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115 closeModal(el);
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11
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116 ajax(`delete_chat.js?chat=${currentChatId}`);
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117 }
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12
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118
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23
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119 let currentPostId;
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120
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38
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121 function getPostId(el) {
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122 while(true) {
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123 let postId = el.getAttribute('post');
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124 if( postId )
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125 return postId;
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126 el = el.parentNode;
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127 }
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128 }
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129
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130 function deletePost(el) {
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131 currentPostId = getPostId(el);
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23
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132 let dialog = document.querySelector('dialog[delete_post]');
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133 openModal(dialog);
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134 }
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135
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136 function doDeletePost(el) {
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137 closeModal(el);
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138 ajax(`delete_post.js?post=${currentPostId}`);
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139 }
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140
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141 function deleted(postId) {
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142 let div = document.querySelector(`div[post="${postId}"]`);
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143 if( div )
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144 div.outerHTML = '';
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145 }
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146
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38
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147 function editPost(el) {
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148 ajax(`edit_post.js?post=${getPostId(el)}`);
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24
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149 }
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150
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151 function openEditPost(postId,text) {
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152 currentPostId = postId;
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153 let dialog = document.querySelector('dialog[edit_post]');
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154 let textarea = dialog.querySelector('textarea');
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155 textarea.value = text;
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156 openModal(dialog);
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157 }
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158
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159 function savePost(el) {
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160 let text = document.querySelector('dialog[edit_post] textarea').value;
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161 closeModal(el);
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162 ajax(`save_post.js?post=${currentPostId}`,`content=${encodeURIComponent(text)}`);
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163 }
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164
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165 function edited(postId,html) {
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166 let div = document.querySelector(`div[post="${postId}"]`);
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167 if( div ) {
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168 div.outerHTML = html;
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169 fixPosts();
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170 }
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171 }
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172
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77
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173 function active() {
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174 let url = 'active.js';
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175 if( currentChatId )
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176 url += `?chat=${currentChatId}`;
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177 ajax(url);
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178 }
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179
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12
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180 function added(html) {
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181 let input = document.querySelector('div[input]');
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182 input.insertAdjacentHTML('beforebegin',html);
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19
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183 fixPosts();
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12
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184 input.scrollIntoView({block: 'end'});
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40
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185 if( document.hasFocus() )
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77
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186 active();
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12
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187 }
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15
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188
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30
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189 function getChats(chatId,updated) {
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190 let first = document.querySelector('div[chat]');
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53
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191 if( !first || first.getAttribute('chat') !== chatId ) {
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15
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192 // console.log('getChats');
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193 ajax('get_chats.js');
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53
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194 } else if( first && currentChatId !== chatId ) {
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195 incUnread(first);
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15
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196 }
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30
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197 if( updated )
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198 lastUpdate = updated;
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40
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199 if( !document.hasFocus() ) {
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31
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200 document.title = title + ' *';
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201 }
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15
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202 }
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203
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204 function gotChats(html) {
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205 document.querySelector('div[chats]').innerHTML = html;
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206 if( currentChatId ) {
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207 let current = document.querySelector(`div[chat="${currentChatId}"]`);
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16
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208 if( current ) {
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209 current.setAttribute('selected','');
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210 current.scrollIntoViewIfNeeded(false);
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61
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211 clearUnread();
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16
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212 } else {
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213 currentChatId = null;
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214 document.querySelector('div[posts]').innerHTML = '';
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215 }
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15
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216 }
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217 }
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18
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218
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219 window.onfocus = function() {
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33
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220 // console.log('onfocus');
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221 document.title = title;
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222 active();
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18
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223 };
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19
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224
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225 let urlRegex = /(^|\s)(https?:\/\/\S+)/g;
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66
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226 let filebinUrlRegex = /(^|\s)(https:\/\/filebin.net\/[0-9a-f]+\/(\S+))/g;
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227
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228 function urlsToLinks(text) {
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66
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229 text = text.replace( filebinUrlRegex, '$1<a target="_blank" href="$2">$3</a>' );
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230 text = text.replace( urlRegex, '$1<a target="_blank" href="$2">$2</a>' );
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231 return text;
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19
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232 }
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22
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233
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234 let currentPulldown = null;
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235 let newPulldown = null;
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236
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237 function clickMenu(clicked,display) {
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238 //console.log("clickMenu");
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239 let pulldown = clicked.parentNode.querySelector('div');
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240 if( pulldown !== currentPulldown ) {
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241 pulldown.style.display = display || "block";
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242 newPulldown = pulldown;
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243 window.onclick = function() {
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244 //console.log("window.onclick");
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245 if( currentPulldown ) {
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246 currentPulldown.style.display = "none";
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247 if( !newPulldown )
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248 window.onclick = null;
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249 }
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250 currentPulldown = newPulldown;
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251 newPulldown = null;
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252 };
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253 pulldown.scrollIntoViewIfNeeded(false);
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254 }
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255 }
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30
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256
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42
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257 function heartbeat() {
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75
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258 let url = `heartbeat.js?last_update=${lastUpdate}`;
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259 if( currentChatId )
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260 url += `&chat=${currentChatId}`;
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261 ajax(url);
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42
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262 }
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263
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264 setInterval( heartbeat, 10000 );
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73
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265 heartbeat();
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30
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266
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33
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267 let online = {};
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268
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269 function showOnline() {
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42
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270 let old = Date.now() - 70000;
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72
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271 let spans = document.querySelectorAll('span[online]');
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272 for( let span of spans ) {
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273 let id = span.getAttribute('online');
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73
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274 let wasOnline = online[id];
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275 let isOnline = !!wasOnline && wasOnline > old;
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276 span.setAttribute('is_online',isOnline);
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33
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277 }
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278 }
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53
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279
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280 function clearUnread() {
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281 let span = document.querySelector(`div[chat="${currentChatId}"] span[unread]`);
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282 span.setAttribute('unread','0');
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283 span.textContent = '0';
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284 }
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285
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286 function incUnread(div) {
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287 let span = div.querySelector('span[unread]');
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288 let n = parseInt(span.getAttribute('unread')) + 1;
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289 span.setAttribute('unread',n);
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290 span.textContent = n;
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291 }
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56
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292
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293 function invite() {
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294 let email = document.querySelector('input[type=email]').value;
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295 ajax(`invite.js?email=${encodeURIComponent(email)}`);
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296 }
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297
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298 function openInvite(email) {
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299 let dialog = document.querySelector('dialog[invite]');
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300 let span = dialog.querySelector('span[email]');
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301 span.textContent = email;
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302 openModal(dialog);
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303 }
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60
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304
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305 function gotoInvite(el) {
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306 let email = document.querySelector('dialog[invite] span[email]').textContent;
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307 closeModal(el);
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83
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308 location = `chat?with=${encodeURIComponent(email)}`;
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60
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309 ajax(`save_post.js?post=${currentPostId}`,`content=${encodeURIComponent(text)}`);
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310 }
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63
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311
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312 function uploadFile() {
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313 document.querySelector('input[type="file"]').click();
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314 }
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315
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316 function addFileUrl(url) {
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317 let textarea = document.querySelector('div[input] textarea');
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318 let text = textarea.value;
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319 if( /\S$/.test(text) )
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320 text += ' ';
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321 text += url;
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322 textarea.value = text;
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323 }
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324
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325 function uploadToFilebin(fileName,fileContent) {
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326 //console.log(fileContent.byteLength);
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327 let request = new XMLHttpRequest();
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328 let url = filebinUrl + fileName;
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329 request.open( 'POST', url );
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330 request.onload = function() {
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331 if( request.status !== 201 ) {
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332 let err = 'upload failed: ' + request.status;
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333 if( request.responseText ) {
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334 err += '\n' + request.responseText;
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335 }
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336 console.log(err);
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337 ajax( '/error_log.js', 'err='+encodeURIComponent(err) );
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338 return;
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339 }
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340 addFileUrl(url);
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341 };
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342 request.send(fileContent);
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343 }
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344
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345 function loadedFile(input) {
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346 let file = input.files[0];
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347 input.value = null;
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348 console.log(file);
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349 let reader = new FileReader();
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350 reader.onload = function() {
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351 uploadToFilebin(file.name,reader.result);
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352 };
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353 reader.readAsArrayBuffer(file);
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354 }
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65
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355
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73
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356 let times = [
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357 {
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358 time: 1000*60*60*24,
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359 unit: 'day'
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360 },
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361 {
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362 time: 1000*60*60,
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363 unit: 'hour'
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364 },
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365 {
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366 time: 1000*60,
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367 unit: 'minute'
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368 }
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369 ];
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370
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371 function ago(time) {
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372 for( let t of times ) {
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373 let n = Math.floor(time / t.time);
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374 if( n > 0 ) {
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375 let s = `${n} ${t.unit}`;
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376 if( n > 1 )
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377 s = s + 's';
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378 return s + ' ago';
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379 }
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380 }
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381 return 'just now';
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382 end
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383 }
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384
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65
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385 function openPeople() {
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386 let dialog = document.querySelector('dialog[people]');
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73
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387 let spans = dialog.querySelectorAll('span[last_seen]');
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388 let now = Date.now();
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389 let old = now - 70000;
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390 for( let span of spans ) {
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391 let id = span.getAttribute('last_seen');
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392 let s;
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393 let lastOnline = online[id];
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394 if( !lastOnline ) {
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395 s = '';
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396 } else if( lastOnline > old ) {
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397 s = 'Active now';
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398 } else {
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399 s = 'Last seen ' + ago(now - lastOnline);
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400 }
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401 console.log(`${id} ${s}`);
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402 span.textContent = s;
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403 }
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65
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404 openModal(dialog);
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405 }
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75
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406
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407 function readUpTo(userId,userNameHtml,unread) {
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76
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408 //console.log(`readUpTo ${unread}`);
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75
|
409 let divs = document.querySelectorAll('div[post]');
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410 if( unread >= divs.length )
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411 return;
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76
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412 let div = divs[divs.length - unread - 1];
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413 let old = document.querySelector(`div[unread][user="${userId}"]`);
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414 if( old ) {
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415 //console.log(`was ${div.getAttribute('unread')}`);
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416 if( div == old.parentNode )
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417 return;
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418 old.outerHTML = '';
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419 }
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420 //console.log('readUpTo');
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75
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421 let html = `<div user="${userId}" unread="${unread}">read by ${userNameHtml}</div>`;
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422 div.insertAdjacentHTML('beforeend',html);
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81
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423 if( !old ) {
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424 let dy = document.querySelector('div[unread]').clientHeight;
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425 document.querySelector('div[main]').scrollBy(0,dy);
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426 }
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75
|
427 }
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79
|
428
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429 function replyPost(el) {
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430 let postId = getPostId(el);
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431 let div = document.querySelector('div[reply]');
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432 div.removeAttribute('hidden');
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433 div.setAttribute('reply',postId);
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434 document.querySelector('div[reply] div[text]').innerHTML = document.querySelector(`div[post="${postId}"] div[text]`).innerHTML
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435 let a = document.querySelector('div[reply] a');
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436 a.href = `#p${postId}`;
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437 a.textContent = document.querySelector(`div[post="${postId}"] span[when]`).textContent;
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438 document.querySelector('div[input] textarea').focus();
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439 document.querySelector('div[input]').scrollIntoView({block: 'end'});
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440 }
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441
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442 function closeReply() {
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443 let div = document.querySelector('div[reply]');
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444 div.setAttribute('hidden','');
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445 div.setAttribute('reply','');
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|
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446 }
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83
|
447
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|
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448 function openAddToChat() {
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449 let dialog = document.querySelector('dialog[add]');
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|
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450 dialog.querySelector('input[name=email]').value = '';
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|
|
451 openModal(dialog);
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|
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452 }
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453
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|
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454 function addToChat() {
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|
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455 let dialog = document.querySelector('dialog[add]');
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|
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456 let email = dialog.querySelector('input[name=email]').value;
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|
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457 ajax(`add_to_chat.js?chat=${currentChatId}&email=${encodeURIComponent(email)}`);
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|
|
458 }
|
|
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459
|
|
|
460 function addToChatError(msg) {
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|
|
461 let dialog = document.querySelector('dialog[add]');
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|
|
462 dialog.querySelector('span[error]').textContent = msg;
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|
|
463 }
|
