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