element-web/src/hooks/useUserOnboardingContext.ts
David Langley 491f0cd08a
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/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import { logger } from "matrix-js-sdk/src/logger";
import { ClientEvent, MatrixClient } from "matrix-js-sdk/src/matrix";
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import { Notifier, NotifierEvent } from "../Notifier";
import DMRoomMap from "../utils/DMRoomMap";
import { useMatrixClientContext } from "../contexts/MatrixClientContext";
import { useSettingValue } from "./useSettings";
import { useEventEmitter } from "./useEventEmitter";
export interface UserOnboardingContext {
hasAvatar: boolean;
hasDevices: boolean;
hasDmRooms: boolean;
showNotificationsPrompt: boolean;
}
const USER_ONBOARDING_CONTEXT_INTERVAL = 5000;
/**
* Returns a persistent, non-changing reference to a function
* This function proxies all its calls to the current value of the given input callback
*
* This allows you to use the current value of e.g., a state in a callback thats used by e.g., a useEventEmitter or
* similar hook without re-registering the hook when the state changes
* @param value changing callback
*/
function useRefOf<T extends any[], R>(value: (...values: T) => R): (...values: T) => R {
const ref = useRef(value);
ref.current = value;
return useCallback((...values: T) => ref.current(...values), []);
}
function useUserOnboardingContextValue<T>(defaultValue: T, callback: (cli: MatrixClient) => Promise<T>): T {
const [value, setValue] = useState<T>(defaultValue);
const cli = useMatrixClientContext();
const handler = useRefOf(callback);
useEffect(() => {
if (value) {
return;
}
let handle: number | null = null;
let enabled = true;
const repeater = async (): Promise<void> => {
if (handle !== null) {
clearTimeout(handle);
handle = null;
}
setValue(await handler(cli));
if (enabled) {
handle = window.setTimeout(repeater, USER_ONBOARDING_CONTEXT_INTERVAL);
}
};
repeater().catch((err) => logger.warn("could not update user onboarding context", err));
cli.on(ClientEvent.AccountData, repeater);
return () => {
enabled = false;
cli.off(ClientEvent.AccountData, repeater);
if (handle !== null) {
clearTimeout(handle);
handle = null;
}
};
}, [cli, handler, value]);
return value;
}
function useShowNotificationsPrompt(): boolean {
const [value, setValue] = useState<boolean>(Notifier.shouldShowPrompt());
useEventEmitter(Notifier, NotifierEvent.NotificationHiddenChange, () => {
setValue(Notifier.shouldShowPrompt());
});
const setting = useSettingValue("notificationsEnabled");
useEffect(() => {
setValue(Notifier.shouldShowPrompt());
}, [setting]);
return value;
}
export function useUserOnboardingContext(): UserOnboardingContext {
const hasAvatar = useUserOnboardingContextValue(false, async (cli) => {
const profile = await cli.getProfileInfo(cli.getUserId()!);
return Boolean(profile?.avatar_url);
});
const hasDevices = useUserOnboardingContextValue(false, async (cli) => {
const myDevice = cli.getDeviceId();
const devices = await cli.getDevices();
return Boolean(devices.devices.find((device) => device.device_id !== myDevice));
});
const hasDmRooms = useUserOnboardingContextValue(false, async () => {
const dmRooms = DMRoomMap.shared().getUniqueRoomsWithIndividuals() ?? {};
return Boolean(Object.keys(dmRooms).length);
});
const showNotificationsPrompt = useShowNotificationsPrompt();
return useMemo(
() => ({ hasAvatar, hasDevices, hasDmRooms, showNotificationsPrompt }),
[hasAvatar, hasDevices, hasDmRooms, showNotificationsPrompt],
);
}