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/*
* Vencord, a modification for Discord's desktop app
* Copyright (c) 2023 Vendicated and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import Logger from "@utils/Logger";
import type { ReactElement } from "react";
type ContextMenuPatchCallbackReturn = (() => void) | void;
/**
* @param children The rendered context menu elements
* @param args Any arguments passed into making the context menu, like the guild, channel, user or message for example
* @returns A callback which is only ran once used to modify the context menu elements (Use to avoid duplicates)
*/
export type NavContextMenuPatchCallback = (children: Array<React.ReactElement>, ...args: Array<any>) => ContextMenuPatchCallbackReturn;
/**
* @param navId The navId of the context menu being patched
* @param children The rendered context menu elements
* @param args Any arguments passed into making the context menu, like the guild, channel, user or message for example
* @returns A callback which is only ran once used to modify the context menu elements (Use to avoid duplicates)
*/
export type GlobalContextMenuPatchCallback = (navId: string, children: Array<React.ReactElement>, ...args: Array<any>) => ContextMenuPatchCallbackReturn;
const ContextMenuLogger = new Logger("ContextMenu");
export const navPatches = new Map<string, Set<NavContextMenuPatchCallback>>();
export const globalPatches = new Set<GlobalContextMenuPatchCallback>();
/**
* Add a context menu patch
* @param navId The navId(s) for the context menu(s) to patch
* @param patch The patch to be applied
*/
export function addContextMenuPatch(navId: string | Array<string>, patch: NavContextMenuPatchCallback) {
if (!Array.isArray(navId)) navId = [navId];
for (const id of navId) {
let contextMenuPatches = navPatches.get(id);
if (!contextMenuPatches) {
contextMenuPatches = new Set();
navPatches.set(id, contextMenuPatches);
}
contextMenuPatches.add(patch);
}
}
/**
* Add a global context menu patch that fires the patch for all context menus
* @param patch The patch to be applied
*/
export function addGlobalContextMenuPatch(patch: GlobalContextMenuPatchCallback) {
globalPatches.add(patch);
}
/**
* Remove a context menu patch
* @param navId The navId(s) for the context menu(s) to remove the patch
* @param patch The patch to be removed
* @returns Wheter the patch was sucessfully removed from the context menu(s)
*/
export function removeContextMenuPatch<T extends string | Array<string>>(navId: T, patch: NavContextMenuPatchCallback): T extends string ? boolean : Array<boolean> {
const navIds = Array.isArray(navId) ? navId : [navId as string];
const results = navIds.map(id => navPatches.get(id)?.delete(patch) ?? false);
return (Array.isArray(navId) ? results : results[0]) as T extends string ? boolean : Array<boolean>;
}
/**
* Remove a global context menu patch
* @param patch The patch to be removed
* @returns Wheter the patch was sucessfully removed
*/
export function removeGlobalContextMenuPatch(patch: GlobalContextMenuPatchCallback): boolean {
return globalPatches.delete(patch);
}
/**
* A helper function for finding the children array of a group nested inside a context menu based on the id of one of its childs
* @param id The id of the child
* @param children The context menu children
*/
export function findGroupChildrenByChildId(id: string, children: Array<React.ReactElement>, _itemsArray?: Array<React.ReactElement>): Array<React.ReactElement> | null {
for (const child of children) {
if (child == null) continue;
if (child.props?.id === id) return _itemsArray ?? null;
let nextChildren = child.props?.children;
if (nextChildren) {
if (!Array.isArray(nextChildren)) {
nextChildren = [nextChildren];
child.props.children = nextChildren;
}
const found = findGroupChildrenByChildId(id, nextChildren, nextChildren);
if (found !== null) return found;
}
}
return null;
}
interface ContextMenuProps {
contextMenuApiArguments?: Array<any>;
navId: string;
children: Array<ReactElement>;
"aria-label": string;
onSelect: (() => void) | undefined;
onClose: (callback: (...args: Array<any>) => any) => void;
}
const patchedMenus = new WeakSet();
export function _patchContextMenu(props: ContextMenuProps) {
props.contextMenuApiArguments ??= [];
const contextMenuPatches = navPatches.get(props.navId);
if (!Array.isArray(props.children)) props.children = [props.children];
if (contextMenuPatches) {
for (const patch of contextMenuPatches) {
try {
const callback = patch(props.children, ...props.contextMenuApiArguments);
if (!patchedMenus.has(props)) callback?.();
} catch (err) {
ContextMenuLogger.error(`Patch for ${props.navId} errored,`, err);
}
}
}
for (const patch of globalPatches) {
try {
const callback = patch(props.navId, props.children, ...props.contextMenuApiArguments);
if (!patchedMenus.has(props)) callback?.();
} catch (err) {
ContextMenuLogger.error("Global patch errored,", err);
}
}
patchedMenus.add(props);
}
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