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