thelounge/client/js/lounge.js
2017-08-14 11:18:51 +03:00

1002 lines
24 KiB
JavaScript

"use strict";
// vendor libraries
require("jquery-ui/ui/widgets/sortable");
require("jquery-textcomplete");
const $ = require("jquery");
const moment = require("moment");
const Mousetrap = require("mousetrap");
const URI = require("urijs");
const fuzzy = require("fuzzy");
// our libraries
const emojiMap = require("./libs/simplemap.json");
require("./libs/jquery/inputhistory");
require("./libs/jquery/stickyscroll");
require("./libs/jquery/tabcomplete");
const helpers_roundBadgeNumber = require("./libs/handlebars/roundBadgeNumber");
const slideoutMenu = require("./libs/slideout");
const templates = require("../views");
const socket = require("./socket");
require("./socket-events");
const constants = require("./constants");
const storage = require("./localStorage");
const utils = require("./utils");
$(function() {
var sidebar = $("#sidebar, #footer");
var chat = $("#chat");
$(document.body).data("app-name", document.title);
var pop;
try {
pop = new Audio();
pop.src = "audio/pop.ogg";
} catch (e) {
pop = {
play: $.noop
};
}
$("#play").on("click", function() {
pop.play();
});
// Autocompletion Strategies
const emojiSearchTerms = Object.keys(emojiMap);
const emojiStrategy = {
id: "emoji",
match: /\B:([-+\w]*):?$/,
search(term, callback) {
const results = fuzzy.filter(
term,
emojiSearchTerms,
{
pre: "<b>",
post: "</b>"
}
);
callback(results.map((el) => [el.string, el.original]));
},
template([string, original]) {
return `<span class="emoji">${emojiMap[original]}</span> ${string}`;
},
replace([, original]) {
return emojiMap[original];
},
index: 1
};
const nicksStrategy = {
id: "nicks",
match: /\B(@([a-zA-Z_[\]\\^{}|`@][a-zA-Z0-9_[\]\\^{}|`-]*)?)$/,
search(term, callback) {
term = term.slice(1);
if (term[0] === "@") {
callback(completeNicks(term.slice(1)).map((val) => "@" + val));
} else {
callback(completeNicks(term));
}
},
template(value) {
return value;
},
replace(value) {
return value;
},
index: 1
};
const chanStrategy = {
id: "chans",
match: /\B((#|\+|&|![A-Z0-9]{5})([^\x00\x0A\x0D\x20\x2C\x3A]+(:[^\x00\x0A\x0D\x20\x2C\x3A]*)?)?)$/,
search(term, callback, match) {
callback(completeChans(match[0]));
},
template(value) {
return value;
},
replace(value) {
return value;
},
index: 1
};
const commandStrategy = {
id: "commands",
match: /^\/(\w*)$/,
search(term, callback) {
callback(completeCommands("/" + term));
},
template(value) {
return value;
},
replace(value) {
return value;
},
index: 1
};
const foregroundColorStrategy = {
id: "foreground-colors",
match: /\x03(\d{0,2}|[A-Za-z ]{0,10})$/,
search(term, callback) {
term = term.toLowerCase();
const matchingColorCodes = constants.colorCodeMap
.filter((i) => i[0].startsWith(term) || i[1].toLowerCase().startsWith(term));
callback(matchingColorCodes);
},
template(value) {
return `<span class="irc-fg${parseInt(value[0], 10)}">${value[1]}</span>`;
},
replace(value) {
return "\x03" + value[0];
},
index: 1
};
const backgroundColorStrategy = {
id: "background-colors",
match: /\x03(\d{2}),(\d{0,2}|[A-Za-z ]{0,10})$/,
search(term, callback, match) {
term = term.toLowerCase();
const matchingColorCodes = constants.colorCodeMap
.filter((i) => i[0].startsWith(term) || i[1].toLowerCase().startsWith(term))
.map((pair) => pair.concat(match[1])); // Needed to pass fg color to `template`...
callback(matchingColorCodes);
},
template(value) {
return `<span class="irc-fg${parseInt(value[2], 10)} irc-bg irc-bg${parseInt(value[0], 10)}">${value[1]}</span>`;
},
replace(value) {
return "\x03$1," + value[0];
},
index: 2
};
var options = require("./options");
var windows = $("#windows");
var viewport = $("#viewport");
var sidebarSlide = slideoutMenu(viewport[0], sidebar[0]);
var contextMenuContainer = $("#context-menu-container");
var contextMenu = $("#context-menu");
$("#main").on("click", function(e) {
if ($(e.target).is(".lt")) {
sidebarSlide.toggle(!sidebarSlide.isOpen());
} else if (sidebarSlide.isOpen()) {
sidebarSlide.toggle(false);
}
});
viewport.on("click", ".rt", function(e) {
var self = $(this);
viewport.toggleClass(self.attr("class"));
e.stopPropagation();
chat.find(".chan.active .chat").trigger("msg.sticky");
});
function positionContextMenu(that, e) {
var offset;
var menuWidth = contextMenu.outerWidth();
var menuHeight = contextMenu.outerHeight();
if (that.hasClass("menu")) {
offset = that.offset();
offset.left -= menuWidth - that.outerWidth();
offset.top += that.outerHeight();
return offset;
}
offset = {left: e.pageX, top: e.pageY};
if ((window.innerWidth - offset.left) < menuWidth) {
offset.left = window.innerWidth - menuWidth;
}
if ((window.innerHeight - offset.top) < menuHeight) {
offset.top = window.innerHeight - menuHeight;
}
return offset;
}
function showContextMenu(that, e) {
var target = $(e.currentTarget);
var output = "";
if (target.hasClass("user")) {
output = templates.contextmenu_item({
class: "user",
text: target.text(),
data: target.data("name")
});
} else if (target.hasClass("chan")) {
output = templates.contextmenu_item({
class: "chan",
text: target.data("title"),
data: target.data("target")
});
output += templates.contextmenu_divider();
output += templates.contextmenu_item({
class: "close",
text: target.hasClass("lobby") ? "Disconnect" : target.hasClass("channel") ? "Leave" : "Close",
data: target.data("target")
});
}
contextMenuContainer.show();
contextMenu
.html(output)
.css(positionContextMenu($(that), e));
return false;
}
viewport.on("contextmenu", ".user, .network .chan", function(e) {
return showContextMenu(this, e);
});
viewport.on("click", "#chat .menu", function(e) {
e.currentTarget = $(e.currentTarget).closest(".chan")[0];
return showContextMenu(this, e);
});
contextMenuContainer.on("click contextmenu", function() {
contextMenuContainer.hide();
return false;
});
function resetInputHeight(input) {
input.style.height = input.style.minHeight;
}
var input = $("#input")
.history()
.on("input", function() {
var style = window.getComputedStyle(this);
// Start by resetting height before computing as scrollHeight does not
// decrease when deleting characters
resetInputHeight(this);
this.style.height = Math.min(
Math.round(window.innerHeight - 100), // prevent overflow
this.scrollHeight
+ Math.round(parseFloat(style.borderTopWidth) || 0)
+ Math.round(parseFloat(style.borderBottomWidth) || 0)
) + "px";
chat.find(".chan.active .chat").trigger("msg.sticky"); // fix growing
})
.tab(completeNicks, {hint: false})
.on("autocomplete:on", function() {
enableAutocomplete();
});
if (options.autocomplete) {
enableAutocomplete();
}
function enableAutocomplete() {
input.textcomplete([
emojiStrategy, nicksStrategy, chanStrategy, commandStrategy,
foregroundColorStrategy, backgroundColorStrategy
], {
dropdownClassName: "textcomplete-menu",
placement: "top"
}).on({
"textComplete:show": function() {
$(this).data("autocompleting", true);
},
"textComplete:hide": function() {
$(this).data("autocompleting", false);
}
});
}
var focus = $.noop;
if (!("ontouchstart" in window || navigator.maxTouchPoints > 0)) {
focus = function() {
if (chat.find(".active").hasClass("chan")) {
input.focus();
}
};
$(window).on("focus", focus);
chat.on("click", ".chat", function() {
setTimeout(function() {
var text = "";
if (window.getSelection) {
text = window.getSelection().toString();
} else if (document.selection && document.selection.type !== "Control") {
text = document.selection.createRange().text;
}
if (!text) {
focus();
}
}, 2);
});
}
$("#form").on("submit", function(e) {
e.preventDefault();
utils.forceFocus();
var text = input.val();
if (text.length === 0) {
return;
}
input.val("");
resetInputHeight(input.get(0));
if (text.indexOf("/clear") === 0) {
utils.clear();
return;
}
if (text.indexOf("/collapse") === 0) {
$(".chan.active .toggle-button.opened").click();
return;
}
if (text.indexOf("/expand") === 0) {
$(".chan.active .toggle-button:not(.opened)").click();
return;
}
socket.emit("input", {
target: chat.data("id"),
text: text
});
});
function findCurrentNetworkChan(name) {
name = name.toLowerCase();
return $(".network .chan.active")
.parent(".network")
.find(".chan")
.filter(function() {
return $(this).data("title").toLowerCase() === name;
})
.first();
}
$("button#set-nick").on("click", function() {
utils.toggleNickEditor(true);
// Selects existing nick in the editable text field
var element = document.querySelector("#nick-value");
element.focus();
var range = document.createRange();
range.selectNodeContents(element);
var selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(range);
});
$("button#cancel-nick").on("click", cancelNick);
$("button#submit-nick").on("click", submitNick);
function submitNick() {
var newNick = $("#nick-value").text().trim();
if (newNick.length === 0) {
cancelNick();
return;
}
utils.toggleNickEditor(false);
socket.emit("input", {
target: chat.data("id"),
text: "/nick " + newNick
});
}
function cancelNick() {
utils.setNick(sidebar.find(".chan.active").closest(".network").data("nick"));
}
$("#nick-value").keypress(function(e) {
switch (e.keyCode ? e.keyCode : e.which) {
case 13: // Enter
// Ensures a new line is not added when pressing Enter
e.preventDefault();
break;
}
}).keyup(function(e) {
switch (e.keyCode ? e.keyCode : e.which) {
case 13: // Enter
submitNick();
break;
case 27: // Escape
cancelNick();
break;
}
});
chat.on("click", ".inline-channel", function() {
var name = $(this).data("chan");
var chan = findCurrentNetworkChan(name);
if (chan.length) {
chan.click();
} else {
socket.emit("input", {
target: chat.data("id"),
text: "/join " + name
});
}
});
chat.on("click", ".condensed-text", function() {
$(this).closest(".msg.condensed").toggleClass("closed");
});
chat.on("click", ".user", function() {
var name = $(this).data("name");
var chan = findCurrentNetworkChan(name);
if (chan.length) {
chan.click();
}
socket.emit("input", {
target: chat.data("id"),
text: "/whois " + name
});
});
sidebar.on("click", ".chan, button", function(e, data) {
// Pushes states to history web API when clicking elements with a data-target attribute.
// States are very trivial and only contain a single `clickTarget` property which
// contains a CSS selector that targets elements which takes the user to a different view
// when clicked. The `popstate` event listener will trigger synthetic click events using that
// selector and thus take the user to a different view/state.
if (data && data.pushState === false) {
return;
}
const self = $(this);
const target = self.data("target");
if (!target) {
return;
}
const state = {};
if (self.hasClass("chan")) {
state.clickTarget = `.chan[data-id="${self.data("id")}"]`;
} else {
state.clickTarget = `#footer button[data-target="${target}"]`;
}
if (history && history.pushState) {
if (data && data.replaceHistory && history.replaceState) {
history.replaceState(state, null, null);
} else {
history.pushState(state, null, null);
}
}
});
sidebar.on("click", ".chan, button", function() {
var self = $(this);
var target = self.data("target");
if (!target) {
return;
}
chat.data(
"id",
self.data("id")
);
socket.emit(
"open",
self.data("id")
);
sidebar.find(".active").removeClass("active");
self.addClass("active")
.find(".badge")
.removeClass("highlight")
.empty();
if (sidebar.find(".highlight").length === 0) {
utils.toggleNotificationMarkers(false);
}
sidebarSlide.toggle(false);
var lastActive = $("#windows > .active");
lastActive
.removeClass("active")
.find(".chat")
.unsticky();
var lastActiveChan = lastActive
.find(".chan.active")
.removeClass("active");
lastActiveChan
.find(".unread-marker")
.appendTo(lastActiveChan.find(".messages"));
var chan = $(target)
.addClass("active")
.trigger("show");
let title = $(document.body).data("app-name");
if (chan.data("title")) {
title = chan.data("title") + " — " + title;
}
document.title = title;
var placeholder = "";
if (chan.data("type") === "channel" || chan.data("type") === "query") {
placeholder = `Write to ${chan.data("title")}`;
}
input.attr("placeholder", placeholder);
if (self.hasClass("chan")) {
$("#chat-container").addClass("active");
utils.setNick(self.closest(".network").data("nick"));
}
var chanChat = chan.find(".chat");
if (chanChat.length > 0 && chan.data("type") !== "special") {
chanChat.sticky();
}
if (chan.data("needsNamesRefresh") === true) {
chan.data("needsNamesRefresh", false);
socket.emit("names", {target: self.data("id")});
}
focus();
});
sidebar.on("click", "#sign-out", function() {
socket.emit("sign-out");
storage.remove("token");
if (!socket.connected) {
location.reload();
}
});
sidebar.on("click", ".close", function() {
var cmd = "/close";
var chan = $(this).closest(".chan");
if (chan.hasClass("lobby")) {
cmd = "/quit";
var server = chan.find(".name").html();
if (!confirm("Disconnect from " + server + "?")) {
return false;
}
}
socket.emit("input", {
target: chan.data("id"),
text: cmd
});
chan.css({
transition: "none",
opacity: 0.4
});
return false;
});
contextMenu.on("click", ".context-menu-item", function() {
switch ($(this).data("action")) {
case "close":
$(".networks .chan[data-target='" + $(this).data("data") + "'] .close").click();
break;
case "chan":
$(".networks .chan[data-target='" + $(this).data("data") + "']").click();
break;
case "user":
$(".channel.active .users .user[data-name='" + $(this).data("data") + "']").click();
break;
}
});
chat.on("input", ".search", function() {
const value = $(this).val();
const parent = $(this).closest(".users");
const names = parent.find(".names-original");
const container = parent.find(".names-filtered");
if (!value.length) {
container.hide();
names.show();
return;
}
const fuzzyOptions = {
pre: "<b>",
post: "</b>",
extract: (el) => $(el).text()
};
const result = fuzzy.filter(
value,
names.find(".user").toArray(),
fuzzyOptions
);
names.hide();
container.html(templates.user_filtered({matches: result})).show();
});
chat.on("msg", ".messages", function(e, target, msg) {
var unread = msg.unread;
msg = msg.msg;
if (msg.self) {
return;
}
var button = sidebar.find(".chan[data-target='" + target + "']");
if (msg.highlight || (options.notifyAllMessages && msg.type === "message")) {
if (!document.hasFocus() || !$(target).hasClass("active")) {
if (options.notification) {
try {
pop.play();
} catch (exception) {
// On mobile, sounds can not be played without user interaction.
}
}
utils.toggleNotificationMarkers(true);
if (options.desktopNotifications && Notification.permission === "granted") {
var title;
var body;
if (msg.type === "invite") {
title = "New channel invite:";
body = msg.from + " invited you to " + msg.channel;
} else {
title = msg.from;
if (!button.hasClass("query")) {
title += " (" + button.data("title").trim() + ")";
}
if (msg.type === "message") {
title += " says:";
}
body = msg.text.replace(/\x03(?:[0-9]{1,2}(?:,[0-9]{1,2})?)?|[\x00-\x1F]|\x7F/g, "").trim();
}
try {
var notify = new Notification(title, {
body: body,
icon: "img/logo-64.png",
tag: target
});
notify.addEventListener("click", function() {
window.focus();
button.click();
this.close();
});
} catch (exception) {
// `new Notification(...)` is not supported and should be silenced.
}
}
}
}
if (button.hasClass("active")) {
return;
}
if (!unread) {
return;
}
var badge = button.find(".badge").html(helpers_roundBadgeNumber(unread));
if (msg.highlight) {
badge.addClass("highlight");
}
});
chat.on("click", ".show-more-button", function() {
var self = $(this);
var lastMessage = self.parent().next(".messages").children(".msg").first();
if (lastMessage.is(".condensed")) {
lastMessage = lastMessage.children(".msg").first();
}
var lastMessageId = parseInt(lastMessage[0].id.replace("msg-", ""), 10);
self
.text("Loading older messages…")
.prop("disabled", true);
socket.emit("more", {
target: self.data("id"),
lastId: lastMessageId
});
});
var forms = $("#sign-in, #connect, #change-password");
windows.on("show", "#sign-in", function() {
$(this).find("input").each(function() {
var self = $(this);
if (self.val() === "") {
self.focus();
return false;
}
});
});
if ($("body").hasClass("public")) {
$("#connect").one("show", function() {
var params = URI(document.location.search);
params = params.search(true);
// Possible parameters: name, host, port, password, tls, nick, username, realname, join
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in#Iterating_over_own_properties_only
for (var key in params) {
if (params.hasOwnProperty(key)) {
var value = params[key];
// \W searches for non-word characters
key = key.replace(/\W/g, "");
var element = $("#connect input[name='" + key + "']");
// if the element exists, it isn't disabled, and it isn't hidden
if (element.length > 0 && !element.is(":disabled") && !element.is(":hidden")) {
if (element.is(":checkbox")) {
element.prop("checked", (value === "1" || value === "true") ? true : false);
} else {
element.val(value);
}
}
}
}
});
}
forms.on("submit", "form", function(e) {
e.preventDefault();
var event = "auth";
var form = $(this);
form.find(".btn")
.attr("disabled", true)
.end();
if (form.closest(".window").attr("id") === "connect") {
event = "conn";
} else if (form.closest("div").attr("id") === "change-password") {
event = "change-password";
}
var values = {};
$.each(form.serializeArray(), function(i, obj) {
if (obj.value !== "") {
values[obj.name] = obj.value;
}
});
if (values.user) {
storage.set("user", values.user);
}
socket.emit(
event, values
);
});
forms.on("focusin", ".nick", function() {
// Need to set the first "lastvalue", so it can be used in the below function
var nick = $(this);
nick.data("lastvalue", nick.val());
});
forms.on("input", ".nick", function() {
var nick = $(this).val();
var usernameInput = forms.find(".username");
// Because this gets called /after/ it has already changed, we need use the previous value
var lastValue = $(this).data("lastvalue");
// They were the same before the change, so update the username field
if (usernameInput.val() === lastValue) {
usernameInput.val(nick);
}
// Store the "previous" value, for next time
$(this).data("lastvalue", nick);
});
(function HotkeysScope() {
Mousetrap.bind([
"pageup",
"pagedown"
], function(e, key) {
let container = windows.find(".window.active");
// Chat windows scroll message container
if (container.attr("id") === "chat-container") {
container = container.find(".chan.active .chat");
}
container.finish();
const offset = container.get(0).clientHeight * 0.9;
let scrollTop = container.scrollTop();
if (key === "pageup") {
scrollTop = Math.floor(scrollTop - offset);
} else {
scrollTop = Math.ceil(scrollTop + offset);
}
container.animate({
scrollTop: scrollTop
}, 200);
return false;
});
Mousetrap.bind([
"command+up",
"command+down",
"ctrl+up",
"ctrl+down"
], function(e, keys) {
var channels = sidebar.find(".chan");
var index = channels.index(channels.filter(".active"));
var direction = keys.split("+").pop();
switch (direction) {
case "up":
// Loop
var upTarget = (channels.length + (index - 1 + channels.length)) % channels.length;
channels.eq(upTarget).click();
break;
case "down":
// Loop
var downTarget = (channels.length + (index + 1 + channels.length)) % channels.length;
channels.eq(downTarget).click();
break;
}
});
Mousetrap.bind([
"command+shift+l",
"ctrl+shift+l"
], function(e) {
if (e.target === input[0]) {
utils.clear();
e.preventDefault();
}
});
Mousetrap.bind([
"escape"
], function() {
contextMenuContainer.hide();
});
var colorsHotkeys = {
k: "\x03",
b: "\x02",
u: "\x1F",
i: "\x1D",
o: "\x0F",
};
for (var hotkey in colorsHotkeys) {
Mousetrap.bind([
"command+" + hotkey,
"ctrl+" + hotkey
], function(e) {
e.preventDefault();
const cursorPosStart = input.prop("selectionStart");
const cursorPosEnd = input.prop("selectionEnd");
const value = input.val();
let newValue = value.substring(0, cursorPosStart) + colorsHotkeys[e.key];
if (cursorPosStart === cursorPosEnd) {
// If no text is selected, insert at cursor
newValue += value.substring(cursorPosEnd, value.length);
} else {
// If text is selected, insert formatting character at start and the end
newValue += value.substring(cursorPosStart, cursorPosEnd) + colorsHotkeys[e.key] + value.substring(cursorPosEnd, value.length);
}
input
.val(newValue)
.get(0).setSelectionRange(cursorPosStart + 1, cursorPosEnd + 1);
});
}
}());
function completeNicks(word) {
const users = chat.find(".active .users");
// Lobbies and private chats do not have an user list
if (!users.length) {
return [];
}
const words = users.data("nicks");
return $.grep(
words,
(w) => !w.toLowerCase().indexOf(word.toLowerCase())
);
}
function completeCommands(word) {
const words = constants.commands.slice();
return $.grep(
words,
(w) => !w.toLowerCase().indexOf(word.toLowerCase())
);
}
function completeChans(word) {
const words = [];
sidebar.find(".chan")
.each(function() {
const self = $(this);
if (!self.hasClass("lobby")) {
words.push(self.data("title"));
}
});
return $.grep(
words,
(w) => !w.toLowerCase().indexOf(word.toLowerCase())
);
}
$(document).on("visibilitychange focus click", () => {
if (sidebar.find(".highlight").length === 0) {
utils.toggleNotificationMarkers(false);
}
});
// Compute how many milliseconds are remaining until the next day starts
function msUntilNextDay() {
return moment().add(1, "day").startOf("day") - moment();
}
// Go through all Today/Yesterday date markers in the DOM and recompute their
// labels. When done, restart the timer for the next day.
function updateDateMarkers() {
$(".date-marker-text[data-label='Today'], .date-marker-text[data-label='Yesterday']")
.closest(".date-marker-container")
.each(function() {
$(this).replaceWith(templates.date_marker({msgDate: $(this).data("timestamp")}));
});
// This should always be 24h later but re-computing exact value just in case
setTimeout(updateDateMarkers, msUntilNextDay());
}
setTimeout(updateDateMarkers, msUntilNextDay());
// Only start opening socket.io connection after all events have been registered
socket.open();
window.addEventListener("popstate", (e) => {
const {state} = e;
if (!state) {
return;
}
const {clickTarget} = state;
if (clickTarget) {
$(clickTarget).trigger("click", {
pushState: false
});
}
});
});