hardlounge/client/js/render.js

208 lines
5.2 KiB
JavaScript
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"use strict";
const $ = require("jquery");
const templates = require("../views");
const options = require("./options");
const renderPreview = require("./renderPreview");
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const utils = require("./utils");
const sorting = require("./sorting");
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const constants = require("./constants");
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const condensed = require("./condensed");
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const chat = $("#chat");
const sidebar = $("#sidebar");
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require("intersection-observer");
const historyObserver = window.IntersectionObserver ?
new window.IntersectionObserver(loadMoreHistory, {
root: chat.get(0)
}) : null;
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module.exports = {
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appendMessage,
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buildChannelMessages,
renderChannel,
renderChannelUsers,
renderNetworks,
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};
function buildChannelMessages(chanId, chanType, messages) {
return messages.reduce((docFragment, message) => {
appendMessage(docFragment, chanId, chanType, message);
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return docFragment;
}, $(document.createDocumentFragment()));
}
function appendMessage(container, chanId, chanType, msg) {
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let lastChild = container.children(".msg, .date-marker-container").last();
const renderedMessage = buildChatMessage(msg);
// Check if date changed
const msgTime = new Date(msg.time);
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const prevMsgTime = new Date(lastChild.data("time"));
// Insert date marker if date changed compared to previous message
if (prevMsgTime.toDateString() !== msgTime.toDateString()) {
lastChild = $(templates.date_marker({time: msg.time}));
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container.append(lastChild);
}
// If current window is not a channel or this message is not condensable,
// then just append the message to container and be done with it
if (constants.condensedTypes.indexOf(msg.type) === -1 || chanType !== "channel") {
container.append(renderedMessage);
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return;
}
// If the previous message is already condensed,
// we just append to it and update text
if (lastChild.hasClass("condensed")) {
lastChild.append(renderedMessage);
condensed.updateText(lastChild, [msg.type]);
return;
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}
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// Always create a condensed container
const newCondensed = $(templates.msg_condensed({time: msg.time}));
condensed.updateText(newCondensed, [msg.type]);
newCondensed.append(renderedMessage);
container.append(newCondensed);
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}
function buildChatMessage(msg) {
const type = msg.type;
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let template = "msg";
// See if any of the custom highlight regexes match
if (!msg.highlight && !msg.self
&& options.highlightsRE
&& (type === "message" || type === "notice")
&& options.highlightsRE.exec(msg.text)) {
msg.highlight = true;
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}
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if (constants.actionTypes.indexOf(type) !== -1) {
msg.template = "actions/" + type;
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template = "msg_action";
} else if (type === "unhandled") {
template = "msg_unhandled";
}
const renderedMessage = $(templates[template](msg));
const content = renderedMessage.find(".content");
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if (template === "msg_action") {
content.html(templates.actions[type](msg));
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}
msg.previews.forEach((preview) => {
renderPreview(preview, renderedMessage);
});
return renderedMessage;
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}
function renderChannel(data) {
renderChannelMessages(data);
if (data.type === "channel") {
renderChannelUsers(data);
}
if (historyObserver) {
historyObserver.observe(chat.find("#chan-" + data.id + " .show-more").get(0));
}
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}
function renderChannelMessages(data) {
const documentFragment = buildChannelMessages(data.id, data.type, data.messages);
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const channel = chat.find("#chan-" + data.id + " .messages").append(documentFragment);
if (data.firstUnread > 0) {
const first = channel.find("#msg-" + data.firstUnread);
// TODO: If the message is far off in the history, we still need to append the marker into DOM
if (!first.length) {
channel.prepend(templates.unread_marker());
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} else if (first.parent().hasClass("condensed")) {
first.parent().before(templates.unread_marker());
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} else {
first.before(templates.unread_marker());
}
} else {
channel.append(templates.unread_marker());
}
}
function renderChannelUsers(data) {
const users = chat.find("#chan-" + data.id).find(".users");
const nicks = data.users
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.concat() // Make a copy of the user list, sort is applied in-place
.sort((a, b) => b.lastMessage - a.lastMessage)
.map((a) => a.nick);
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const search = users
.find(".search")
.attr("placeholder", nicks.length + " " + (nicks.length === 1 ? "user" : "users"));
users
.data("nicks", nicks)
.find(".names-original")
.html(templates.user(data));
// Refresh user search
if (search.val().length) {
search.trigger("input");
}
}
function renderNetworks(data) {
sidebar.find(".empty").hide();
sidebar.find(".networks").append(
templates.network({
networks: data.networks
})
);
const channels = $.map(data.networks, function(n) {
return n.channels;
});
chat.append(
templates.chat({
channels: channels
})
);
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channels.forEach((channel) => {
renderChannel(channel);
if (channel.type === "channel") {
chat.find("#chan-" + channel.id).data("needsNamesRefresh", true);
}
});
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utils.confirmExit();
sorting();
if (sidebar.find(".highlight").length) {
utils.toggleNotificationMarkers(true);
}
}
function loadMoreHistory(entries) {
entries.forEach((entry) => {
if (!entry.isIntersecting) {
return;
}
var target = $(entry.target).find(".show-more-button");
if (target.attr("disabled")) {
return;
}
target.click();
});
}