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nntpchan/contrib/js/livechan.js
2016-07-06 08:12:56 -04:00

1333 lines
36 KiB
JavaScript

function buildCaptcha(domElem, prefix) {
var captcha_widget = document.createElement("div");
captcha_widget.className = "livechan_captcha_inner";
var outer = document.createElement("div");
outer.className = "livechan_captcha";
var text = document.createElement("div");
text.textContent = "solve the captcha";
captcha_widget.appendChild(text);
var captcha_image = document.createElement("img");
captcha_image.className = "livechan_captcha_image";
var div = document.createElement("div");
div.appendChild(captcha_image);
captcha_widget.appendChild(div);
var captcha_entry = document.createElement("input");
captcha_entry.className = "livechan_captcha_input";
var div = document.createElement("div");
div.appendChild(captcha_entry);
captcha_widget.appendChild(div);
var captcha_submit = document.createElement("input");
captcha_submit.setAttribute("type", "button");
captcha_submit.value = "solve";
var div = document.createElement("div");
div.appendChild(captcha_submit);
captcha_widget.appendChild(div);
outer.appendChild(captcha_widget);
domElem.appendChild(outer);
return {
widget: outer,
button: captcha_submit,
image: captcha_image,
entry: captcha_entry,
prefix: prefix,
}
}
function Captcha(domElem, options, callback) {
if (options) {
this.options = options;
} else {
this.options = {};
}
this.prefix = options.prefix || "/";
this.widget = buildCaptcha(domElem, this.prefix);
var self = this;
this.widget.button.addEventListener("click", function() { self.process(callback); });
}
Captcha.prototype.load = function() {
var self = this;
var xhr = new XMLHttpRequest();
var url = location.protocol + "//" + location.host + this.prefix ;
xhr.open('get', url +"captcha/new");
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
var jdata = JSON.parse(xhr.responseText);
if ( jdata ) {
self.setCaptchaId(jdata);
}
}
}
xhr.send();
}
/**
* @brief set captcha id
*/
Captcha.prototype.setCaptchaId = function(data) {
this.captcha_id = data.id;
this.setImageUrl(data.url);
}
Captcha.prototype.setImageUrl = function(url) {
this.widget.image.setAttribute("src", url);
}
/**
* @brief process captcha form
*/
Captcha.prototype.process = function(callback) {
console.log("process");
console.log(this);
if (this.captcha_id) {
var solution = this.widget.entry.value;
var self = this;
callback(this.captcha_id, solution , function(solved) {
if (solved) {
// woot we solved it
self.hide();
} else {
// TODO: inform user of bad solution
self.load();
}
});
} else {
// TODO: inform user of no captcha entred
self.load();
}
}
/**
* @brief show the captcha pane
*/
Captcha.prototype.show = function () {
console.log("hide captcha");
var widget = this.widget.widget;
if ( widget.style ) {
widget.style.zIndex = 5;
} else {
widget.style = {zIndex: 5};
}
}
/**
* @brief hide the captcha pane
*/
Captcha.prototype.hide = function () {
console.log("hide captcha");
var widget = this.widget.widget;
if ( widget.style ) {
widget.style.zIndex = -1;
} else {
widget.style = {zIndex: -1};
}
}
/**
* build login widget
* for captcha / mod login
*/
function buildLogin(domElem) {
var widget = document.createElement("div");
widget.className = "livechan_login_widget";
widget.style.zIndex = -1;
var mod_div = document.createElement("div");
mod_div.className = "livechan_login";
var mod_form = document.createElement("form");
var mod_username = document.createElement("input");
mod_form.appendChild(mod_username);
mod_username.className = "livechan_login_username";
var mod_password = document.createElement("input");
mod_password.className = "livechan_login_password";
mod_password.setAttribute("type", "password");
mod_form.appendChild(mod_password);
var mod_submit = document.createElement("input");
mod_password.className = "livechan_login_submit";
mod_submit.setAttribute("type", "submit");
mod_submit.setAttribute("value", "login");
mod_form.appendChild(mod_submit);
mod_div.appendChild(mod_form);
widget.appendChild(mod_div);
domElem.appendChild(widget);
return {
widget: widget,
mod: {
form: mod_form,
username: mod_username,
password: mod_password,
submit: mod_submit
}
}
}
function Login(domElem) {
this._login = buildLogin(domElem);
}
Login.prototype.show = function() {
var self = this;
self._login.widget.style.zIndex = 5;
console.log("show login widget");
}
/*
* @brief build livechan navbar
* @param domElem the root element to put the navbar in
*/
function LivechanNavbar(domElem) {
this.navbar = document.createElement("div");
this.navbar.className = 'livechan_navbar';
var container = document.createElement("div");
// channel name label
var channelLabel = document.createElement("span");
channelLabel.className = 'livechan_navbar_channel_label';
this.channel = channelLabel;
// mod indicator
this.mod = document.createElement("span");
this.mod.className = 'livechan_navbar_mod_indicator_inactive';
// TODO: don't hardcode
this.mod.textContent = "Anon";
// usercounter
this.status = document.createElement("span");
this.status.className = 'livechan_navbar_status';
container.appendChild(this.mod);
container.appendChild(this.channel);
container.appendChild(this.status);
this.navbar.appendChild(container);
domElem.appendChild(this.navbar);
}
/* @brief called when there is an "event" for the navbar */
LivechanNavbar.prototype.onLivechanEvent = function (evstr) {
if ( evstr === "login:mod" ) {
// set indicator
this.mod.className = "livechan_mod_indicator_active";
this.mod.textContent = "Moderator";
} else if ( evstr === "login:admin" ) {
this.mod.className = "livechan_mod_indicator_admin";
this.mod.textContent = "Admin";
}
}
/* @brief called when there is a notification for us */
LivechanNavbar.prototype.onLivechanNotify = function(evstr) {
// do nothing for now
// maybe have some indicator that shows number of messages unread?
}
/* @brief update online user counter */
LivechanNavbar.prototype.updateUsers = function(count) {
this.updateStatus("Online: "+count);
}
/* @brief update status label */
LivechanNavbar.prototype.updateStatus = function(str) {
this.status.textContent = str;
}
/* @brief set channel name */
LivechanNavbar.prototype.setChannel = function(str) {
this.channel.textContent = str;
}
var modCommands = [
// login command
[/l(login)? (.*)/, function(m) {
var chat = this;
// mod login
chat.modLogin(m[2]);
},
"login as user", "/l user:password",
],
[/cp (\d+)/, function(m) {
var chat = this;
// permaban the fucker
chat.modAction(3, 4, m[1], "CP", -1);
},
"handle illegal content", "/cp postnum",
],
[/cnuke (\d+) (.*)/, function(m) {
var chat = this;
// channel ban + nuke files
chat.modAction(2, 4, m[1], m[2], -1);
},
"channel level ban+nuke", "/cnuke postnum reason goes here",
],
[/purge (\d+) (.*)/, function(m) {
var chat = this;
// channel ban + nuke files
chat.modAction(2, 9, m[1], m[2], -1);
},
"channel level ban+nuke", "/cnuke postnum reason goes here",
],
[/gnuke (\d+) (.*)/, function(m) {
var chat = this;
// global ban + nuke with reason
chat.modAction(3, 4, m[1], m[2], -1);
},
"global ban+nuke", "/gnuke postnum reason goes here",
],
[/gban (\d+) (.*)/, function(m) {
var chat = this;
// global ban with reason
chat.modAction(3, 3, m[1], m[2], -1);
},
"global ban (no nuke)", "/gban postnum reason goes here",
],
[/cban (\d+) (.*)/, function(m) {
var chat = this;
// channel ban with reason
chat.modAction(2, 3, m[1], m[2], -1);
},
"channel level ban (no nuke)", "/cban postnum reason goes here",
],
[/dpost (\d+)/, function(m) {
var chat = this;
// channel level delete post
chat.modAction(1, 2, m[1]);
},
"delete post and file", "/dpost postnum",
],
[/dfile (\d+)/, function(m) {
var chat = this;
// channel level delete file
chat.modAction(1, 1, m[1]);
},
"delete just file", "/dpost postnum",
]
]
/*
* @brief Build Notification widget
* @param domElem root element to put widget in
*/
function buildNotifyPane(domElem) {
var pane = document.createElement("div");
pane.className = "livechan_notify_pane";
domElem.appendChild(pane);
return pane;
}
/*
* @brief Livechan Notification system
* @param domElem root element to put Notification Pane in.
*/
function LivechanNotify(domElem) {
this.pane = buildNotifyPane(domElem);
}
/* @brief inform the user with a message */
LivechanNotify.prototype.inform = function(str) {
// new Notify("livechan", {body: str}).show();
var elem = document.createElement("div");
elem.className = "livechan_notify_node";
elem.textContent = Date.now() + ": " + str;
this.pane.appendChild(elem);
this.rollover();
}
/* @brief roll over old messages */
LivechanNotify.prototype.rollover = function() {
while ( this.pane.childNodes.length > this.scrollback ) {
this.pane.childNodes.removeChild(this.pane.childNodes[0]);
}
}
/* @brief Creates a structure of html elements for the
* chat.
*
* @param domElem The element to be populated with the
* chat structure.
* @param chatName The name of this chat
* @return An object of references to the structure
* created.
*/
function buildChat(chat, domElem, channel) {
channel = channel.toLowerCase();
// build the navbar
// see nav.js
var navbar = new LivechanNavbar(domElem);
// build the notification system
// see notify.js
var notify = new LivechanNotify(domElem);
var output = document.createElement('div');
output.className = 'livechan_chat_output';
var input_left = document.createElement('div');
input_left.className = 'livechan_chat_input_left';
var input = document.createElement('form');
input.className = 'livechan_chat_input';
var name = document.createElement('input');
name.className = 'livechan_chat_input_name';
name.setAttribute('placeholder', 'Anonymous');
var file = document.createElement('input');
file.className = 'livechan_chat_input_file';
file.setAttribute('type', 'file');
file.setAttribute('value', 'upload');
file.setAttribute('id', channel+'_input_file');
var messageDiv = document.createElement('div');
messageDiv.className = 'livechan_chat_input_message_div';
var message = document.createElement('textarea');
message.className = 'livechan_chat_input_message';
var submit = document.createElement('input');
submit.className = 'livechan_chat_input_submit';
submit.setAttribute('type', 'submit');
submit.setAttribute('value', 'send');
var convobar = new ConvoBar(chat, domElem);
input_left.appendChild(name);
input_left.appendChild(convobar.subject);
input_left.appendChild(file);
input.appendChild(input_left);
messageDiv.appendChild(message);
input.appendChild(messageDiv);
input.appendChild(submit);
domElem.appendChild(output);
domElem.appendChild(input);
return {
convobar : convobar,
notify: notify,
navbar: navbar,
output: output,
input: {
subject: convobar.subject,
form: input,
message: message,
name: name,
submit: submit,
file: file
}
};
}
function Connection(chat, ws, url) {
this.ws = ws;
this.chat = chat;
this.url = url;
this.ws.onmessage = function(ev) {
chat.handleData(JSON.parse(ev.data));
}
this.ws.onclose = function() {
self.ws = null;
}
var self = this;
setInterval(function() {
if (self.ws == null) {
// try reconnecting
initWebSocket(self.chat, self.url, self);
}
}, 5000);
}
Connection.prototype.ban = function(reason) {
if (this.ws) {
this.ws.close();
this.ws.close = null;
alert("You have been banned for the following reason: "+reason);
}
}
Connection.prototype.send = function(obj) {
/* Jsonify the object and send as string. */
this.sendBinary(JSON.stringify(obj));
}
Connection.prototype.sendBinary = function(obj) {
if (this.ws) {
this.ws.send(obj);
}
}
Connection.prototype.onclose = function(callback) {
if(this.ws)
this.ws.onclose = callback;
}
/* @brief Initializes the websocket connection.
*
* @param channel The channel to open a connection to.
* @return A connection the the websocket.
*/
function initWebSocket(chat, url, connection) {
var ws = null;
if (window['WebSocket']) {
try {
ws = new WebSocket(url);
} catch (ex) {
ws = null;
}
}
if (ws) {
ws.onclose = function() {
if (connection) {
connection.ws = null;
}
};
if (connection) {
connection.ws = ws;
connection.ws.onmessage = function(ev) {
chat.handleData(JSON.parse(ev.data));
}
chat.clear();
chat.handleMessage({Type: "post", PostMessage: "reconnecting..."});
return connection;
} else {
return new Connection(chat, ws, url);
}
}
}
/* @brief Parses and returns a message div.
*
* @param data The message data to be parsed.
* @return A dom element containing the message.
*/
function parse(text, rules, end_tag) {
var output = document.createElement('div');
var position = 0;
var end_matched = false;
if (end_tag) {
var end_handler = function(m) {
end_matched = true;
}
rules = [[end_tag, end_handler]].concat(rules);
}
do {
var match = null;
var match_pos = text.length;
var handler = null;
for (var i = 0; i < rules.length; i++) {
rules[i][0].lastIndex = position;
var result = rules[i][0].exec(text);
if (result !== null && position <= result.index && result.index < match_pos) {
match = result;
match_pos = result.index;
handler = rules[i][1];
}
}
var unmatched_text = text.substring(position, match_pos);
output.appendChild(document.createTextNode(unmatched_text));
position = match_pos;
if (match !== null) {
position += match[0].length;
output.appendChild(handler(match));
}
} while (match !== null && !end_matched);
return output;
}
var messageRules = [
[/>>([0-9a-f]+)/g, function(m) {
var out = document.createElement('span');
out.className = 'livechan_internallink';
out.addEventListener('click', function() {
var selected = document.getElementById('livechan_chat_'+m[1]);
console.log(selected.convo);
selected.select();
selected.scrollIntoView(true);
// TODO: highlight
});
out.appendChild(document.createTextNode('>>'+m[1]));
return out;
}],
[/^>.+/mg, function(m) {
var out = document.createElement('span');
out.className = 'livechan_greentext';
out.appendChild(document.createTextNode(m));
return out;
}],
[/\[code\]\n?([\s\S]+)\[\/code\]/g, function(m) {
var out;
if (m.length >= 2 && m[1].trim !== '') {
out = document.createElement('pre');
out.textContent = m[1];
} else {
out = document.createTextNode(m);
}
return out;
}],
[/\[b\]\n?([\s\S]+)\[\/b\]/g, function(m) {
var out;
if (m.length >= 2 && m[1].trim !== '') {
out = document.createElement('span');
out.className = 'livechan_boldtext';
out.textContent = m[1];
} else {
out = document.createTextNode(m);
}
return out;
}],
[/\[spoiler\]\n?([\s\S]+)\[\/spoiler\]/g, function(m) {
var out;
if ( m.length >= 2 && m[1].trim !== '') {
out = document.createElement('span');
out.className = 'livechan_spoiler';
out.textContent = m[1];
} else {
out = document.createTextNode(m);
}
return out;
}],
[/\r?\n/g, function(m) {
return document.createElement('br');
}],
[/==(.*)==/g, function(m) {
var out;
out = document.createElement("span");
out.className = "livechan_redtext";
out.textContent = m[1];
return out;
}],
[/((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)/g, function(m) {
var out = document.createElement("a");
out.href = m[1];
out.textContent = m[1];
return out;
}],
]
/* @brief build the convorsation bar's elements
*/
function buildConvoBar(domElem) {
var elem = document.createElement("div");
elem.className = "livechan_convobar_root";
var subject = document.createElement("input");
subject.className = "livechan_chat_input_convo";
elem.appendChild(subject);
domElem.appendChild(elem);
return {
subject: subject,
widget: elem,
}
}
/* @brief create the chat's convorsation bar
* @param domElem the element to place everything in
*/
function ConvoBar(chat, domElem) {
this.parent = chat;
this.holder = {};
this.domElem = domElem;
var convo = buildConvoBar(domElem);
this.widget = convo.widget;
this.subject = convo.subject;
this.active = null;
this._num = 0;
}
ConvoBar.prototype.count = function() {
return this._num;
}
/* @brief remove convorstation given root message-id */
ConvoBar.prototype.removeConvo = function(msgid) {
var self = this;
console.log("remove "+msgid);
var c = self.holder[msgid];
if (c) {
var e = document.getElementById("livechan_convobar_item_"+c.id);
if (e) e.remove();
for(var idx = 0; idx < c.posts.length; idx ++ ) {
var id = "livechan_chat_"+c.posts[idx].HashShort;
var child = document.getElementById(id);
if(child) child.remove();
}
delete self.holder[msgid];
self._num -- ;
}
}
/* @brief update the convo bar
* @param convoId the name of this covnorsattion
*/
ConvoBar.prototype.update = function(msgid, data) {
var self = this;
if ( ! self.holder[msgid]) {
// new convo
// register convo
self.registerConvo(msgid, data);
}
// bump existing convo
var convoId = self.holder[msgid].id;
var convoElem = document.getElementById("livechan_convobar_item_"+convoId);
var convoParent = convoElem.parentElement;
if ( convoParent.children.length > 1 ) {
convoParent.removeChild(convoElem);
convoParent.insertBefore(convoElem, convoParent.childNodes[0]);
}
// add post to convo
self.holder[msgid].posts.push(data);
// do roll over
var scrollback = self.parent.options.scrollback || 30;
while(self.holder[msgid].posts.length > scrollback) {
// remove oldest from convo tracker
var child_data = self.holder[msgid].posts.shift();
var child = document.getElementById("livechan_chat_"+child_data.ShortHash);
if(child) {
child.remove();
}
}
// lol quartic time
while(self.count() > 10 ) {
var minid = -1;
var minmsgid = null;
for( var i in self.holder ) {
if (minid == -1 || self.holder[i].id < minid) {
minid = self.holder[i].id;
minmsgid = i;
}
}
if(minmsgid)
self.removeConvo(minmsgid);
}
}
/** @brief register a new convorsation
*/
ConvoBar.prototype.registerConvo = function(msgid, data) {
var self = this;
var max_id = 0;
// get the highest convo id
for ( c in self.holder ) {
var id = self.holder[c].id;
if (id > max_id ) {
max_id = id
}
}
self.holder[msgid] = {
subject: data.PostSubject,
msgid: data.Message_id,
id: max_id + 1,
posts: [],
ShortHash: data.ShortHash,
select: function() {
console.log("selected convo "+msgid);
if ( self.active !== msgid ) {
self.show(msgid);
}
},
}
// make a new entry in the convo bar
var elem = document.createElement("div");
elem.className = "livechan_convobar_item";
elem.setAttribute("id", "livechan_convobar_item_"+ self.holder[msgid].id);
var link = document.createElement("span");
elem.addEventListener("click", function() { self.show(msgid); });
link.appendChild(document.createTextNode(data.PostSubject));
elem.appendChild(link);
// prepend the element
if (self.widget.children.length > 0 ) {
self.widget.insertBefore(elem, self.widget.childNodes[0]);
} else {
self.widget.appendChild(elem);
}
self._num ++;
}
/* @brief Only Show chats from a convorsation
*/
ConvoBar.prototype.show = function(msgid) {
var self = this;
var sheet = null;
for(var idx = 0; idx < document.styleSheets.length; idx++ ) {
var s = document.styleSheets[idx];
if (s.ownerNode && s.ownerNode.id === "convo_filter") {
sheet = s;
break;
}
}
var rules = null;
// delete all filtering rules
if (sheet.rules) {
rules = sheet.rules;
} else {
rules = sheet.cssRules;
}
while (rules.length > 0 ) {
if (sheet.deleteRule) {
sheet.deleteRule(0);
} else if (sheet.removeRule) {
sheet.removeRule(0);
} else {
break;
}
}
if (msgid === self.active) {
// this is resetting the view
if (sheet.insertRule) { // firefox
sheet.insertRule(".livechan_chat_output_chat { display: block; }", 0);
} else if (sheet.addRule) { // not firefox
sheet.addRule(".livechan_chat_output_chat", "display: block");
}
// unset active highlight
var convoId = self.holder[self.active].id;
var itemElem = document.getElementById("livechan_convobar_item_"+convoId);
itemElem.style.background = null;
self.active = null;
} else {
// unset active highlight if it's there
if (self.active) {
var convoId = self.holder[self.active].id;
var itemElem = document.getElementById("livechan_convobar_item_"+convoId);
itemElem.style.background = null;
}
// set active highlight to new element
convoId = self.holder[msgid].id;
itemElem = document.getElementById("livechan_convobar_item_"+convoId);
itemElem.style.background = "red";
var elemClass = ".livechan_chat_convo_" + convoId;
if (sheet.insertRule) { // firefox
sheet.insertRule(elemClass+ " { display: block; }", 0);
sheet.insertRule(".livechan_chat_output_chat { display: none; }", 0);
} else if (sheet.addRule) { // not firefox
sheet.addRule(".livechan_chat_output_chat", "display: none");
sheet.addRule(elemClass, "display: block");
}
// this convo is now active
self.active = msgid;
}
// scroll view
self.parent.scroll();
}
/* @brief Creates a chat.
*
* @param domElem The element to populate with chat
* output div and input form.
* @param channel The channel to bind the chat to.
*
* @param options Channel Specific options
*/
function Chat(domElem, channel, options) {
var self = this;
this.name = channel.toLowerCase();
this.domElem = domElem;
this.lastOp = null;
if (options) {
this.options = options;
} else {
this.options = {};
}
this.chatElems = buildChat(this, this.domElem, this.name);
var prefix = this.options.prefix || "/";
var scheme = "wss://";
if (location.protocol == "http:") scheme = "ws://";
var url = scheme + location.host + prefix + "live?"+ this.name;
this.connection = initWebSocket(this, url);
this.initOutput();
this.initInput();
// set navbar channel name
this.chatElems.navbar.setChannel(this.name);
// prepare captcha callback
this.captcha_callback = null;
// create captcha
this.captcha = new Captcha(this.domElem, this.options, function(id, solution, callback) {
// set callback to handle captcha success
self.captcha_callback = callback;
// send captcha solution
self.connection.send({Captcha: { ID: id, Solution: solution}});
});
this.captcha.hide();
}
Chat.prototype.clear = function () {
for ( var convo in this.chatElems.convobar.holder ) {
this.chatElems.convobar.removeConvo(convo);
}
}
/**
* @brief begin login sequence
*/
Chat.prototype.login = function() {
this.captcha.show();
this.captcha.load();
}
/**
* @brief do mod login
*/
Chat.prototype.modLogin = function(str) {
var self = this;
self.connection.send({ModLogin: str});
}
Chat.prototype.modAction = function(scope, action, postID, reason, expire) {
var self = this;
self.connection.send({
ModReason: reason,
ModScope: parseInt(scope),
ModAction: parseInt(action),
ModPostID: parseInt(postID),
ModExpire: parseInt(expire),
});
}
/* @brief called when our post got mentioned
*
* @param event the event that has this mention
*/
Chat.prototype.Mentioned = function(event, chat) {
var self = this;
self.notify("mentioned: "+chat);
}
Chat.prototype.onNotifyShow = function () {
}
Chat.prototype.readImage = function (elem, callback) {
var self = this;
if (elem.files.length > 0 ) {
var reader = new FileReader();
var file = elem.files[0];
reader.onloadend = function(ev) {
if (ev.target.readyState == FileReader.DONE) {
callback(window.btoa(ev.target.result), file.name, file.type);
}
}
reader.readAsBinaryString(file);
} else {
callback(null, null, null);
}
}
/* @brief Sends the message in the form.
*
* @param event The event causing a message to be sent.
*/
Chat.prototype.sendInput = function(event) {
var inputElem = this.chatElems.input;
var connection = this.connection;
var self = this;
if (inputElem.message.value[0] == '/') {
var inp = inputElem.message.value;
var helpRegex = /(help)? (.*)/;
var helpMatch = helpRegex.exec(inp.slice(1));
if (helpMatch) {
}
if ( self.options.customCommands ) {
for (var i in self.options.customCommands) {
var regexPair = self.options.customCommands[i];
var match = regexPair[0].exec(inp.slice(1));
if (match) {
(regexPair[1]).call(self, match);
inputElem.message.value = '';
}
}
}
// modCommands is defined in mod.js
for ( var i in modCommands ) {
var command = modCommands[i];
var match = command[0].exec(inp.slice(1));
if (match) {
(command[1]).call(self, match);
// don't clear input for mod command
}
}
event.preventDefault();
return false;
}
if (inputElem.submit.disabled == false) {
var message = inputElem.message.value;
var name = inputElem.name.value;
var convo = self.chatElems.convobar.active;
var subject = self.chatElems.input.subject.value;
self.readImage(inputElem.file, function(fdata, fname, ftype) {
if (fdata) {
connection.send({Type: "post", Post: {
message: message,
subject: subject,
name: name,
reference: convo,
files: [{name: fname, data: fdata, type: ftype}],
}});
} else {
connection.send({Type: "post", Post: {
subject: subject,
message: message,
reference: convo,
name: name,
}});
}
inputElem.file.value = "";
inputElem.message.value = '';
});
inputElem.submit.disabled = true;
var i = parseInt(self.options.cooldown);
// fallback
if ( i == NaN ) { i = 4; }
inputElem.submit.setAttribute('value', i);
var countDown = setInterval(function(){
inputElem.submit.setAttribute('value', --i);
}, 1000);
setTimeout(function(){
clearInterval(countDown);
inputElem.submit.disabled = false;
inputElem.submit.setAttribute('value', 'send');
}, i * 1000);
event.preventDefault();
return false;
}
}
/* @brief Binds the form submission to websockets.
*/
Chat.prototype.initInput = function() {
var inputElem = this.chatElems.input;
var connection = this.connection;
var self = this;
inputElem.form.addEventListener('submit', function(event) {
self.sendInput(event);
});
inputElem.message.addEventListener('keydown', function(event) {
/* If enter key. */
if (event.keyCode === 13 && !event.shiftKey) {
self.sendInput(event);
}
});
inputElem.message.focus();
}
/* @brief show a notification to the user */
Chat.prototype.notify = function(message) {
// show notification pane
this.showNotifyPane();
var notifyPane = this.chatElems.notify;
notifyPane.inform(message);
}
/* @brief show the notification pane */
Chat.prototype.showNotifyPane = function () {
var pane = this.chatElems.notify.pane;
pane.style.zIndex = 5;
pane.style.visibility = 'visible';
}
/* @brief hide the notification pane */
Chat.prototype.showNotifyPane = function () {
var pane = this.chatElems.notify.pane;
pane.style.zIndex = -1;
pane.style.visibility = 'hidden';
}
Chat.prototype.error = function(message) {
var self = this;
console.log("error: "+message);
self.notify("an error has occured: "+message);
}
/** handle inbound websocket message */
Chat.prototype.handleMessage = function (data) {
var self = this;
var mtype = data.Type.toLowerCase();
if (mtype == "captcha" ) {
if (self.captcha_callback) {
// captcha reply
self.captcha_callback(data.Success);
// reset
self.captcha_callback = null;
} else {
// captcha challenge
self.login();
}
} else if (mtype == "posted" ) {
// user posted something
if ( data.OP ) {
// they made a new thread, focus on it once it comes up
self.lastOp = data.Msgid
console.log("made new thread: "+data.Msgid)
}
} else if (mtype == "post" ) {
self.insertChat(self.generateChat(data), data);
} else if (mtype == "count" ) {
self.chatElems.navbar.updateUsers(data.UserCount);
} else if (mtype == "ban" ) {
self.connection.ban(data.Reason);
} else if (mtype == "error") {
self.insertChat(self.generateChat({PostMessage: data.Error, PostSubject: "Server Error", PostName: "Server"}))
console.log("server error: "+data.Error);
} else {
console.log("unknown message type "+mtype);
}
}
Chat.prototype.handleData = function(data) {
var self = this;
if( Object.prototype.toString.call(data) === '[object Array]' ) {
for (var i = 0; i < data.length; i++) {
self.handleMessage(data[i]);
}
} else {
self.handleMessage(data);
}
}
/* @brief Binds messages to be displayed to the output.
*/
Chat.prototype.initOutput = function() {
var outputElem = this.chatElems.output;
var connection = this.connection;
var self = this;
}
/* @brief update the user counter for number of users online
*/
Chat.prototype.updateUserCount = function(count) {
var elem = this.chatElems.navbar.userCount;
elem.textContent = "Online: "+count;
}
/* @brief Scrolls the chat to the bottom.
*/
Chat.prototype.scroll = function() {
this.chatElems.output.scrollTop = this.chatElems.output.scrollHeight;
}
/** @brief roll over old posts, remove them from ui */
Chat.prototype.rollover = function() {
/*
var self = this;
var chatSize = self.options.scrollback || 50;
var e = self.chatElems.output;
while ( e.childNodes.length > chatSize ) {
e.childNodes[0].remove();
}
*/
}
/* @brief Inserts the chat into the DOM, overwriting if need be.
*
* @TODO: Actually scan and insert appropriately for varying numbers.
*
* @param outputElem The dom element to insert the chat into.
* @param chat The dom element to be inserted.
* @param number The number of the chat to keep it in order.
*/
Chat.prototype.insertChat = function(chat, data) {
//var number = data.Count;
//var convo = data.Convo;
//if (!number) {
// this.error("Error: invalid chat number.");
//}
var self = this;
// append to main output
var outputElem = this.chatElems.output;
outputElem.appendChild(chat);
// scroll to end
self.scroll();
self.rollover();
// show new thread
if (self.lastOp) {
self.chatElems.convobar.show(self.lastOp);
self.lastOp = null;
}
}
/* @brief Generates a chat div.
*
* @param data Data passed in via websocket.
* @return A dom element.
*/
Chat.prototype.generateChat = function(data) {
var self = this;
var chat = document.createElement('div');
self.chatElems.convobar.update(data.Parent, data);
var convo = self.chatElems.convobar.holder[data.Parent];
chat.select = function() {
console.log("selecting...");
convo.select();
}
chat.className = 'livechan_chat_output_chat livechan_chat_convo_' + convo.id;
var convoLabel = document.createElement('span');
convoLabel.className = 'livechan_convo_label';
convoLabel.appendChild(document.createTextNode(data.PostSubject));
var header = document.createElement('div');
header.className = 'livechan_chat_output_header';
var name = document.createElement('span');
name.className = 'livechan_chat_output_name';
var trip = document.createElement('span');
trip.className = 'livechan_chat_output_trip';
var date = document.createElement('span');
date.className = 'livechan_chat_output_date';
var count = document.createElement('span');
count.className = 'livechan_chat_output_count';
var body = document.createElement('div');
body.className = 'livechan_chat_output_body';
var message = document.createElement('div');
message.className = 'livechan_chat_output_message';
if (data.PostName) {
name.appendChild(document.createTextNode(data.PostName));
} else {
name.appendChild(document.createTextNode('Anonymous'));
}
if (data.Files) {
for (var idx = 0 ; idx < data.Files.length ; idx ++ ) {
var file = data.Files[idx];
if(!file) continue;
var a = document.createElement('a');
a.setAttribute('target', '_blank');
// TODO: make these configurable
var filepath = file.Path;
var thumb_url = self.options.prefix + 'thm/'+filepath + ".jpg";
var src_url = self.options.prefix + 'img/'+filepath;
a.setAttribute('href',src_url);
var fl = filepath.toLowerCase();
var img = document.createElement('img');
img.setAttribute('src', thumb_url);
img.className = 'livechan_image_thumb';
a.appendChild(img);
message.appendChild(a);
img.onload = function() { self.scroll(); }
img.addEventListener('mouseover', function () {
var e = document.createElement("div");
e.setAttribute("id", "hover_"+data.ShortHash);
e.setAttribute("class", "hover");
if (fl.match(/\.(webm|mp4|mkv)$/)) {
// video
var v = document.createElement("video");
v.src = src_url;
e.appendChild(v);
} else if (fl.match(/\.(mp3|ogg|oga|flac|opus)$/)) {
// audio
var a = document.createElement("audio");
a.src = src_url;
e.appendChild(a);
} else if (fl.match(/\.txt$/)) {
//
} else {
// image
var i = document.createElement("img");
i.src = src_url;
e.appendChild(i);
}
chat.appendChild(e);
});
img.addEventListener('mouseout', function () {
// unload image
var e = document.getElementById("hover_"+data.ShortHash);
e.parentElement.removeChild(e);
});
}
}
/* Note that parse does everything here. If you want to change
* how things are rendered modify messageRules. */
if (data.PostMessage) {
message.appendChild(parse(data.PostMessage, messageRules));
} else {
message.appendChild(document.createTextNode(''));
}
if (data.Posted) {
date.appendChild(document.createTextNode((new Date(data.Posted * 1000)).toLocaleString()));
}
if (data.Tripcode) {
var et = document.createElement('span');
et.innerHTML = data.Tripcode;
trip.appendChild(et);
}
if (data.HashShort) {
var h = data.HashShort;
chat.setAttribute('id', 'livechan_chat_'+h);
count.appendChild(document.createTextNode(h));
count.addEventListener('click', function() {
self.chatElems.input.message.value += '>>'+h+'\n';
self.chatElems.input.message.focus();
chat.select();
});
}
header.appendChild(name);
header.appendChild(trip);
header.appendChild(date);
header.appendChild(convoLabel);
header.appendChild(count);
body.appendChild(message);
chat.appendChild(header);
chat.appendChild(body);
return chat;
}