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/*
This file is part of keks-meet (https://codeberg.org/metamuffin/keks-meet)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2023 metamuffin <metamuffin.org>
*/
/// <reference lib="dom" />
import { ChatMessage } from "../../common/packets.d.ts";
import { e, image_view, notify } from "./helper.ts";
import { log } from "./logger.ts";
import { chat_control } from "./menu.ts";
import { PREFS } from "./preferences/mod.ts";
import { Room } from "./room.ts";
import { LocalUser } from "./user/local.ts";
import { User } from "./user/mod.ts";
interface ControlMessage {
join?: User,
leave?: User,
change_room?: string,
}
export class Chat {
messages: HTMLElement
controls: HTMLElement
send_el: HTMLInputElement
element: HTMLElement
public room?: Room
constructor() {
const send = document.createElement("input")
send.ariaLabel = "send message"
send.type = "text"
send.placeholder = "Type a message"
const messages = e("div", { class: "messages", aria_live: "polite" })
const controls = e("div", { class: "controls" })
controls.append(send)
this.element = e("section", { class: "chat", aria_label: "chat", role: "dialog" }, messages, controls)
this.messages = messages
this.controls = controls
this.send_el = send
send.onkeydown = (ev) => {
if (ev.key == "Enter") {
if (send.value.trim().length == 0) {
// keybind for toggle chat is Enter, so lets close here
return chat_control(false)
}
this.send({ text: send.value })
send.value = ""
}
}
document.onpaste = (pasteEvent) => {
// TODO will only work when pasting a single image
const item = pasteEvent.clipboardData?.items[0];
if (!item) return
if (item.type.indexOf("image") === 0) {
log("*", "image pasted")
const blob = item.getAsFile()
if (!blob) return
const reader = new FileReader();
reader.onload = (event) => {
if (!event.target) return
if (typeof event.target.result != "string") return
this.send({ image: event.target.result })
};
reader.readAsDataURL(blob);
}
}
}
focus() { this.send_el.focus() }
send(msg: ChatMessage) {
if (this.room) {
this.room.local_user.chat(msg)
this.add_message(this.room.local_user, msg)
}
}
remove_oldest_message() {
this.messages.firstChild?.remove()
}
add_control_message(m: ControlMessage) {
const el = e("div", { class: ["message", "control-message"] }, e("span", { class: "author" }, m.join?.display_name ?? m.leave?.display_name ?? ""), ` ${m.join ? "joined" : "left"} the room.`)
this.messages.append(el)
el.scrollIntoView({ block: "end", behavior: "smooth", inline: "end" })
}
add_message(sender: User, message: ChatMessage) {
const els = []
if (message.text) els.push(e("span", { class: "text" }, message.text))
if (message.image) els.push(image_view(message.image, { class: "image" }))
chat_control(true)
const el = e("div", { class: "message" }, e("span", { class: "author" }, sender.display_name), ": ", ...els)
this.messages.append(el)
el.scrollIntoView({ block: "end", behavior: "smooth", inline: "end" })
let body_str = "(empty message)"
if (message.text) body_str = message.text
if (message.image) body_str = "(image)"
if (!(sender instanceof LocalUser) && PREFS.notify_chat) notify(body_str, sender.display_name)
}
}
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