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