2024-03-15 13:44:17 +00:00
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import { Component, createRef, h } from "https://esm.sh/preact@10.17.1";
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import { PublicKey } from "../../libs/nostr.ts/key.ts";
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import { RelayRecordGetter } from "../database.ts";
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import { emitFunc } from "../event-bus.ts";
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import { IconButtonClass } from "./components/tw.ts";
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import { LeftArrowIcon } from "./icons/left-arrow-icon.tsx";
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import {
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DirectMessagePanelUpdate,
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NameAndTime,
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ParseMessageContent,
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SyncEvent,
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Time,
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ViewUserDetail,
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} from "./message-panel.tsx";
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import { ChatMessage, groupContinuousMessages, sortMessage } from "./message.ts";
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import { ProfileGetter } from "./search.tsx";
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import { SelectConversation } from "./search_model.ts";
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import { sleep } from "https://raw.githubusercontent.com/BlowaterNostr/csp/master/csp.ts";
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import { ProfileData } from "../features/profile.ts";
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import { isMobile, setState } from "./_helper.ts";
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import { Avatar } from "./components/avatar.tsx";
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import { AboutIcon } from "./icons/about-icon.tsx";
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import { BackgroundColor_MessagePanel, PrimaryTextColor } from "./style/colors.ts";
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import { Parsed_Event } from "../nostr.ts";
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import { NoteID } from "../../libs/nostr.ts/nip19.ts";
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import { robohash } from "./relay-detail.tsx";
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interface MessageListProps {
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myPublicKey: PublicKey;
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messages: ChatMessage[];
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emit: emitFunc<DirectMessagePanelUpdate | SelectConversation | SyncEvent>;
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getters: {
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profileGetter: ProfileGetter;
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relayRecordGetter: RelayRecordGetter;
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getEventByID: func_GetEventByID;
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};
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}
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interface MessageListState {
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offset: number;
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}
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const ItemsOfPerPage = 50;
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export class MessageList extends Component<MessageListProps, MessageListState> {
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readonly messagesULElement = createRef<HTMLUListElement>();
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state = {
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offset: 0,
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};
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jitter = new JitterPrevention(100);
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2024-03-17 09:00:07 +00:00
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async componentDidUpdate(previousProps: Readonly<MessageListProps>) {
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const newest = last(this.props.messages);
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const pre_newest = last(previousProps.messages);
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if (
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newest && pre_newest && newest.author.hex == this.props.myPublicKey.hex &&
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newest.event.id != pre_newest.event.id
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) {
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await this.goToLastPage();
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this.goToButtom(false);
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}
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}
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2024-03-15 13:44:17 +00:00
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async componentDidMount() {
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const offset = this.props.messages.length - ItemsOfPerPage;
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await setState(this, { offset: offset <= 0 ? 0 : offset });
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}
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render() {
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const messages_to_render = this.sortAndSliceMessage();
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const groups = groupContinuousMessages(messages_to_render, (pre, cur) => {
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const sameAuthor = pre.event.pubkey == cur.event.pubkey;
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const _66sec = Math.abs(cur.created_at.getTime() - pre.created_at.getTime()) <
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1000 * 60;
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return sameAuthor && _66sec;
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});
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const messageBoxGroups = [];
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for (const messages of groups) {
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const profileEvent = this.props.getters.profileGetter
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.getProfilesByPublicKey(messages[0].author);
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messageBoxGroups.push(
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MessageBoxGroup({
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messages: messages,
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myPublicKey: this.props.myPublicKey,
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emit: this.props.emit,
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authorProfile: profileEvent ? profileEvent.profile : undefined,
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getters: this.props.getters,
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}),
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);
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}
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return (
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<div
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class={`w-full overflow-hidden ${BackgroundColor_MessagePanel}`}
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style={{
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transform: "perspective(none)",
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}}
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>
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<button
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2024-03-17 09:00:07 +00:00
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onClick={() => this.goToButtom(true)}
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2024-03-15 13:44:17 +00:00
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class={`${IconButtonClass} fixed z-10 bottom-8 right-4 h-10 w-10 rotate-[-90deg] bg-[#42464D] hover:bg-[#2F3136]`}
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>
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<LeftArrowIcon
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class={`w-6 h-6`}
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style={{
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fill: "#F3F4EA",
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}}
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/>
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</button>
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<ul
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class={`w-full h-full overflow-y-auto overflow-x-hidden py-9 mobile:py-2 px-2 mobile:px-0 flex flex-col`}
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ref={this.messagesULElement}
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>
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<button class={`${IconButtonClass}`} onClick={this.prePage}>
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load earlier messages
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</button>
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{messageBoxGroups}
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<button class={`${IconButtonClass}`} onClick={this.nextPage}>
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load more messages
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</button>
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</ul>
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</div>
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);
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}
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sortAndSliceMessage = () => {
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return sortMessage(this.props.messages)
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.slice(
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this.state.offset,
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this.state.offset + ItemsOfPerPage,
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);
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};
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prePage = async () => {
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const offset = this.state.offset - ItemsOfPerPage / 2;
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if (offset > 0) {
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await setState(this, { offset });
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}
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};
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nextPage = async () => {
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const offset = this.state.offset + ItemsOfPerPage / 2;
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if (offset < this.props.messages.length) {
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await setState(this, { offset });
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}
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};
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2024-03-17 09:00:07 +00:00
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goToButtom = (smooth: boolean) => {
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2024-03-15 13:44:17 +00:00
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if (this.messagesULElement.current) {
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this.messagesULElement.current.scrollTo({
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top: this.messagesULElement.current.scrollHeight,
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left: 0,
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2024-03-17 09:00:07 +00:00
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behavior: smooth ? "smooth" : undefined,
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2024-03-15 13:44:17 +00:00
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});
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}
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};
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2024-03-17 09:00:07 +00:00
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goToLastPage = async () => {
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const newOffset = this.props.messages.length - ItemsOfPerPage / 2;
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await setState(this, {
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offset: newOffset > 0 ? newOffset : 0,
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});
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console.log("goToLastPage", this.state.offset);
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};
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2024-03-15 13:44:17 +00:00
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}
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export class MessageList_V0 extends Component<MessageListProps> {
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readonly messagesULElement = createRef<HTMLUListElement>();
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jitter = new JitterPrevention(100);
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async componentDidMount() {
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this.goToButtom(false);
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}
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componentDidUpdate(previousProps: Readonly<MessageListProps>): void {
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// todo: this is not a correct check of if new message is received
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// a better check is to see if the
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// current newest message is newer than previous newest message
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if (previousProps.messages.length < this.props.messages.length) {
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this.goToButtom(false);
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}
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}
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render() {
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const messages_to_render = this.sortAndSliceMessage();
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console.log(messages_to_render);
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const groups = groupContinuousMessages(messages_to_render, (pre, cur) => {
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const sameAuthor = pre.event.pubkey == cur.event.pubkey;
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const _66sec = Math.abs(cur.created_at.getTime() - pre.created_at.getTime()) <
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1000 * 60;
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return sameAuthor && _66sec;
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});
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const messageBoxGroups = [];
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for (const messages of groups) {
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const profileEvent = this.props.getters.profileGetter
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.getProfilesByPublicKey(messages[0].author);
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messageBoxGroups.push(
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MessageBoxGroup({
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messages: messages,
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myPublicKey: this.props.myPublicKey,
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emit: this.props.emit,
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authorProfile: profileEvent ? profileEvent.profile : undefined,
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getters: this.props.getters,
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}),
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);
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}
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return (
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<div
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class={`w-full overflow-hidden ${BackgroundColor_MessagePanel}`}
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style={{
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transform: "perspective(none)",
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}}
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>
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<button
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id="go to bottom"
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onClick={() => this.goToButtom(true)}
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class={`${IconButtonClass} fixed z-10 bottom-8 right-4 h-10 w-10 rotate-[-90deg] bg-[#42464D] hover:bg-[#2F3136]`}
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>
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<LeftArrowIcon
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class={`w-6 h-6`}
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style={{
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fill: "#F3F4EA",
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}}
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/>
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</button>
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<ul
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class={`w-full h-full overflow-y-auto overflow-x-hidden py-9 mobile:py-2 px-2 mobile:px-0 flex flex-col`}
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ref={this.messagesULElement}
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>
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{messageBoxGroups}
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</ul>
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</div>
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);
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}
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sortAndSliceMessage = () => {
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return sortMessage(this.props.messages);
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};
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goToButtom = (smooth: boolean) => {
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if (this.messagesULElement.current) {
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this.messagesULElement.current.scrollTo({
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top: this.messagesULElement.current.scrollHeight,
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left: 0,
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behavior: smooth ? "smooth" : undefined,
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});
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}
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};
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}
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class JitterPrevention {
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constructor(private duration: number) {}
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cancel: ((value: void) => void) | undefined;
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async shouldExecute(): Promise<boolean> {
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if (this.cancel) {
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this.cancel();
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this.cancel = undefined;
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return this.shouldExecute();
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}
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const p = new Promise<void>((resolve) => {
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this.cancel = resolve;
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});
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const cancelled = await sleep(this.duration, p);
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return !cancelled;
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}
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}
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export type func_GetEventByID = (
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id: string | NoteID,
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) => Parsed_Event | undefined;
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function MessageBoxGroup(props: {
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authorProfile: ProfileData | undefined;
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messages: ChatMessage[];
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myPublicKey: PublicKey;
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emit: emitFunc<
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DirectMessagePanelUpdate | ViewUserDetail | SelectConversation | SyncEvent
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>;
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getters: {
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profileGetter: ProfileGetter;
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relayRecordGetter: RelayRecordGetter;
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getEventByID: func_GetEventByID;
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};
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}) {
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const first_message = props.messages[0];
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const rows = [];
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rows.push(
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<li
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class={`px-4 hover:bg-[#32353B] w-full max-w-full flex items-start pr-8 mobile:pr-4 group relative ${
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isMobile() ? "select-none" : ""
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}`}
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>
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{MessageActions(first_message, props.emit)}
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<Avatar
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class={`h-8 w-8 mt-[0.45rem] mr-2`}
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picture={props.authorProfile?.picture ||
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robohash(first_message.author.hex)}
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onClick={() => {
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props.emit({
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type: "ViewUserDetail",
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pubkey: first_message.author,
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});
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}}
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/>
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<div
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class={`flex-1`}
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style={{
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maxWidth: "calc(100% - 2.75rem)",
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}}
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>
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{NameAndTime(
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first_message.author,
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props.authorProfile,
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props.myPublicKey,
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first_message.created_at,
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)}
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<pre
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class={`text-[#DCDDDE] whitespace-pre-wrap break-words font-roboto text-sm`}
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>
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{ParseMessageContent(
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first_message,
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props.emit,
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props.getters,
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)}
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</pre>
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</div>
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</li>,
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);
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for (let i = 1; i < props.messages.length; i++) {
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const msg = props.messages[i];
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rows.push(
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<li
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class={`px-4 hover:bg-[#32353B] w-full max-w-full flex items-center pr-8 mobile:pr-4 group relative text-sm ${
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isMobile() ? "select-none" : ""
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}`}
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>
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{MessageActions(msg, props.emit)}
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{Time(msg.created_at)}
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<div
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class={`flex-1`}
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style={{
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maxWidth: "calc(100% - 2.75rem)",
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}}
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>
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<pre
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class={`text-[#DCDDDE] whitespace-pre-wrap break-words font-roboto`}
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>
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{ParseMessageContent(msg, props.emit, props.getters)}
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</pre>
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</div>
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</li>,
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);
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}
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const vnode = (
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<ul class={`py-2`}>
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{rows}
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</ul>
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);
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// console.log("MessageBoxGroup", Date.now() - t);
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return vnode;
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}
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function MessageActions(
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message: ChatMessage,
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emit: emitFunc<DirectMessagePanelUpdate>,
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) {
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return (
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<div
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class={`hidden group-hover:flex absolute top-[-0.75rem] right-[3rem]`}
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style={{
|
|
|
|
boxShadow: "2px 2px 5px 0 black",
|
|
|
|
}}
|
|
|
|
>
|
|
|
|
<button
|
|
|
|
class={`w-6 h-6 flex items-center justify-center`}
|
|
|
|
onClick={async () => {
|
|
|
|
emit({
|
|
|
|
type: "ViewEventDetail",
|
|
|
|
message: message,
|
|
|
|
});
|
|
|
|
}}
|
|
|
|
>
|
|
|
|
<AboutIcon
|
|
|
|
class={`w-4 h-4 scale-150`}
|
|
|
|
style={{
|
|
|
|
fill: PrimaryTextColor,
|
|
|
|
}}
|
|
|
|
/>
|
|
|
|
</button>
|
|
|
|
</div>
|
|
|
|
);
|
|
|
|
}
|
2024-03-17 09:00:07 +00:00
|
|
|
|
|
|
|
function last<T>(array: Array<T>): T | undefined {
|
|
|
|
if (array.length == 0) {
|
|
|
|
return undefined;
|
|
|
|
} else {
|
|
|
|
return array[array.length - 1];
|
|
|
|
}
|
|
|
|
}
|