hardlounge/client/js/socket-events/msg.js
2017-08-27 11:38:23 +03:00

67 lines
1.9 KiB
JavaScript

"use strict";
const $ = require("jquery");
const socket = require("../socket");
const render = require("../render");
const chat = $("#chat");
socket.on("msg", function(data) {
if (window.requestIdleCallback) {
// During an idle period the user agent will run idle callbacks in FIFO order
// until either the idle period ends or there are no more idle callbacks eligible to be run.
// We set a maximum timeout of 2 seconds so that messages don't take too long to appear.
window.requestIdleCallback(() => processReceivedMessage(data), {timeout: 2000});
} else {
processReceivedMessage(data);
}
});
function processReceivedMessage(data) {
const targetId = data.chan;
const target = "#chan-" + targetId;
const channel = chat.find(target);
const container = channel.find(".messages");
const activeChannelId = chat.find(".chan.active").data("id");
if (data.msg.type === "channel_list" || data.msg.type === "ban_list") {
$(container).empty();
}
// Add message to the container
render.appendMessage(
container,
targetId,
$(target).attr("data-type"),
data.msg
);
container.trigger("msg", [
target,
data
]).trigger("keepToBottom");
var lastVisible = container.find("div:visible").last();
if (data.msg.self
|| lastVisible.hasClass("unread-marker")
|| (lastVisible.hasClass("date-marker")
&& lastVisible.prev().hasClass("unread-marker"))) {
container
.find(".unread-marker")
.appendTo(container);
}
// Message arrived in a non active channel, trim it to 100 messages
if (activeChannelId !== targetId && container.find(".msg").slice(0, -100).remove().length) {
channel.find(".show-more").addClass("show");
// Remove date-separators that would otherwise
// be "stuck" at the top of the channel
channel.find(".date-marker-container").each(function() {
if ($(this).next().hasClass("date-marker-container")) {
$(this).remove();
}
});
}
}