6166dbb661
* Make existing and new issue URLs configurable * Apply a deep merge over sdk config to allow sane nested structures * Defaultize * Fix types * Iterate * Add FeedbackDialog snapshot test * Add SdkConfig snapshot tests * Iterate * Fix tests * Iterate types * Fix test
418 lines
15 KiB
TypeScript
418 lines
15 KiB
TypeScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React from "react";
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import ReactDOM from "react-dom";
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import classNames from "classnames";
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import { defer, sleep } from "matrix-js-sdk/src/utils";
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import { TypedEventEmitter } from "matrix-js-sdk/src/models/typed-event-emitter";
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import dis from "./dispatcher/dispatcher";
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import AsyncWrapper from "./AsyncWrapper";
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import { Defaultize } from "./@types/common";
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const DIALOG_CONTAINER_ID = "mx_Dialog_Container";
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const STATIC_DIALOG_CONTAINER_ID = "mx_Dialog_StaticContainer";
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// Type which accepts a React Component which looks like a Modal (accepts an onFinished prop)
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export type ComponentType = React.ComponentType<{
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onFinished?(...args: any): void;
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}>;
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// Generic type which returns the props of the Modal component with the onFinished being optional.
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export type ComponentProps<C extends ComponentType> = Defaultize<
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Omit<React.ComponentProps<C>, "onFinished">,
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C["defaultProps"]
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> &
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Partial<Pick<React.ComponentProps<C>, "onFinished">>;
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export interface IModal<C extends ComponentType> {
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elem: React.ReactNode;
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className?: string;
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beforeClosePromise?: Promise<boolean>;
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closeReason?: string;
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onBeforeClose?(reason?: string): Promise<boolean>;
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onFinished: ComponentProps<C>["onFinished"];
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close(...args: Parameters<ComponentProps<C>["onFinished"]>): void;
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hidden?: boolean;
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}
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export interface IHandle<C extends ComponentType> {
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finished: Promise<Parameters<ComponentProps<C>["onFinished"]>>;
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close(...args: Parameters<ComponentProps<C>["onFinished"]>): void;
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}
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interface IOptions<C extends ComponentType> {
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onBeforeClose?: IModal<C>["onBeforeClose"];
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}
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export enum ModalManagerEvent {
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Opened = "opened",
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}
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type HandlerMap = {
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[ModalManagerEvent.Opened]: () => void;
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};
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export class ModalManager extends TypedEventEmitter<ModalManagerEvent, HandlerMap> {
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private counter = 0;
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// The modal to prioritise over all others. If this is set, only show
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// this modal. Remove all other modals from the stack when this modal
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// is closed.
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private priorityModal: IModal<any> | null = null;
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// The modal to keep open underneath other modals if possible. Useful
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// for cases like Settings where the modal should remain open while the
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// user is prompted for more information/errors.
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private staticModal: IModal<any> | null = null;
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// A list of the modals we have stacked up, with the most recent at [0]
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// Neither the static nor priority modal will be in this list.
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private modals: IModal<any>[] = [];
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private static getOrCreateContainer(): HTMLElement {
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let container = document.getElementById(DIALOG_CONTAINER_ID);
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if (!container) {
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container = document.createElement("div");
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container.id = DIALOG_CONTAINER_ID;
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document.body.appendChild(container);
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}
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return container;
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}
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private static getOrCreateStaticContainer(): HTMLElement {
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let container = document.getElementById(STATIC_DIALOG_CONTAINER_ID);
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if (!container) {
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container = document.createElement("div");
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container.id = STATIC_DIALOG_CONTAINER_ID;
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document.body.appendChild(container);
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}
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return container;
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}
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public toggleCurrentDialogVisibility(): void {
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const modal = this.getCurrentModal();
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if (!modal) return;
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modal.hidden = !modal.hidden;
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}
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public hasDialogs(): boolean {
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return !!this.priorityModal || !!this.staticModal || this.modals.length > 0;
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}
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public createDialog<C extends ComponentType>(
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Element: C,
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props?: ComponentProps<C>,
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className?: string,
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isPriorityModal = false,
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isStaticModal = false,
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options: IOptions<C> = {},
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): IHandle<C> {
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return this.createDialogAsync<C>(
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Promise.resolve(Element),
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props,
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className,
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isPriorityModal,
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isStaticModal,
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options,
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);
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}
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public appendDialog<C extends ComponentType>(
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Element: React.ComponentType,
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props?: ComponentProps<C>,
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className?: string,
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): IHandle<C> {
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return this.appendDialogAsync<C>(Promise.resolve(Element), props, className);
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}
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/**
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* @param reason either "backgroundClick" or undefined
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* @return whether a modal was closed
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*/
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public closeCurrentModal(reason?: string): boolean {
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const modal = this.getCurrentModal();
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if (!modal) {
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return false;
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}
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modal.closeReason = reason;
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modal.close();
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return true;
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}
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private buildModal<C extends ComponentType>(
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prom: Promise<React.ComponentType>,
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props?: ComponentProps<C>,
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className?: string,
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options?: IOptions<C>,
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): {
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modal: IModal<C>;
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closeDialog: IHandle<C>["close"];
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onFinishedProm: IHandle<C>["finished"];
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} {
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const modal = {
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onFinished: props?.onFinished,
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onBeforeClose: options?.onBeforeClose,
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className,
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// these will be set below but we need an object reference to pass to getCloseFn before we can do that
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elem: null,
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} as IModal<C>;
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// never call this from onFinished() otherwise it will loop
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const [closeDialog, onFinishedProm] = this.getCloseFn<C>(modal, props);
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// don't attempt to reuse the same AsyncWrapper for different dialogs,
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// otherwise we'll get confused.
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const modalCount = this.counter++;
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// FIXME: If a dialog uses getDefaultProps it clobbers the onFinished
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// property set here so you can't close the dialog from a button click!
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modal.elem = <AsyncWrapper key={modalCount} prom={prom} {...props} onFinished={closeDialog} />;
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modal.close = closeDialog;
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return { modal, closeDialog, onFinishedProm };
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}
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private getCloseFn<C extends ComponentType>(
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modal: IModal<C>,
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props?: ComponentProps<C>,
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): [IHandle<C>["close"], IHandle<C>["finished"]] {
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const deferred = defer<Parameters<ComponentProps<C>["onFinished"]>>();
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return [
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async (...args: Parameters<ComponentProps<C>["onFinished"]>): Promise<void> => {
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if (modal.beforeClosePromise) {
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await modal.beforeClosePromise;
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} else if (modal.onBeforeClose) {
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modal.beforeClosePromise = modal.onBeforeClose(modal.closeReason);
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const shouldClose = await modal.beforeClosePromise;
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modal.beforeClosePromise = undefined;
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if (!shouldClose) {
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return;
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}
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}
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deferred.resolve(args);
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if (props?.onFinished) props.onFinished.apply(null, args);
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const i = this.modals.indexOf(modal);
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if (i >= 0) {
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this.modals.splice(i, 1);
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}
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if (this.priorityModal === modal) {
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this.priorityModal = null;
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// XXX: This is destructive
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this.modals = [];
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}
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if (this.staticModal === modal) {
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this.staticModal = null;
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// XXX: This is destructive
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this.modals = [];
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}
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this.reRender();
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},
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deferred.promise,
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];
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}
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/**
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* @callback onBeforeClose
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* @param {string?} reason either "backgroundClick" or null
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* @return {Promise<bool>} whether the dialog should close
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*/
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/**
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* Open a modal view.
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*
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* This can be used to display a react component which is loaded as an asynchronous
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* webpack component. To do this, set 'loader' as:
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*
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* (cb) => {
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* require(['<module>'], cb);
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* }
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*
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* @param {Promise} prom a promise which resolves with a React component
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* which will be displayed as the modal view.
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*
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* @param {Object} props properties to pass to the displayed
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* component. (We will also pass an 'onFinished' property.)
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*
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* @param {String} className CSS class to apply to the modal wrapper
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*
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* @param {boolean} isPriorityModal if true, this modal will be displayed regardless
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* of other modals that are currently in the stack.
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* Also, when closed, all modals will be removed
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* from the stack.
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* @param {boolean} isStaticModal if true, this modal will be displayed under other
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* modals in the stack. When closed, all modals will
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* also be removed from the stack. This is not compatible
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* with being a priority modal. Only one modal can be
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* static at a time.
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* @param {Object} options? extra options for the dialog
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* @param {onBeforeClose} options.onBeforeClose a callback to decide whether to close the dialog
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* @returns {object} Object with 'close' parameter being a function that will close the dialog
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*/
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public createDialogAsync<C extends ComponentType>(
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prom: Promise<C>,
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props?: ComponentProps<C>,
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className?: string,
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isPriorityModal = false,
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isStaticModal = false,
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options: IOptions<C> = {},
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): IHandle<C> {
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const beforeModal = this.getCurrentModal();
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const { modal, closeDialog, onFinishedProm } = this.buildModal<C>(prom, props, className, options);
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if (isPriorityModal) {
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// XXX: This is destructive
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this.priorityModal = modal;
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} else if (isStaticModal) {
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// This is intentionally destructive
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this.staticModal = modal;
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} else {
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this.modals.unshift(modal);
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}
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this.reRender();
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this.emitIfChanged(beforeModal);
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return {
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close: closeDialog,
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finished: onFinishedProm,
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};
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}
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private appendDialogAsync<C extends ComponentType>(
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prom: Promise<React.ComponentType>,
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props?: ComponentProps<C>,
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className?: string,
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): IHandle<C> {
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const beforeModal = this.getCurrentModal();
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const { modal, closeDialog, onFinishedProm } = this.buildModal<C>(prom, props, className, {});
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this.modals.push(modal);
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this.reRender();
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this.emitIfChanged(beforeModal);
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return {
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close: closeDialog,
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finished: onFinishedProm,
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};
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}
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private emitIfChanged(beforeModal?: IModal<any>): void {
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if (beforeModal !== this.getCurrentModal()) {
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this.emit(ModalManagerEvent.Opened);
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}
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}
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private onBackgroundClick = (): void => {
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const modal = this.getCurrentModal();
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if (!modal) {
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return;
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}
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// we want to pass a reason to the onBeforeClose
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// callback, but close is currently defined to
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// pass all number of arguments to the onFinished callback
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// so, pass the reason to close through a member variable
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modal.closeReason = "backgroundClick";
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modal.close();
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modal.closeReason = undefined;
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};
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private getCurrentModal(): IModal<any> {
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return this.priorityModal ? this.priorityModal : this.modals[0] || this.staticModal;
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}
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private async reRender(): Promise<void> {
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// TODO: We should figure out how to remove this weird sleep. It also makes testing harder
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//
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// await next tick because sometimes ReactDOM can race with itself and cause the modal to wrongly stick around
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await sleep(0);
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if (this.modals.length === 0 && !this.priorityModal && !this.staticModal) {
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// If there is no modal to render, make all of Element available
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// to screen reader users again
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dis.dispatch({
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action: "aria_unhide_main_app",
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});
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ReactDOM.unmountComponentAtNode(ModalManager.getOrCreateContainer());
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ReactDOM.unmountComponentAtNode(ModalManager.getOrCreateStaticContainer());
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return;
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}
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// Hide the content outside the modal to screen reader users
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// so they won't be able to navigate into it and act on it using
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// screen reader specific features
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dis.dispatch({
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action: "aria_hide_main_app",
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});
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if (this.staticModal) {
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const classes = classNames("mx_Dialog_wrapper mx_Dialog_staticWrapper", this.staticModal.className);
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const staticDialog = (
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<div className={classes}>
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<div className="mx_Dialog">{this.staticModal.elem}</div>
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<div
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data-testid="dialog-background"
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className="mx_Dialog_background mx_Dialog_staticBackground"
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onClick={this.onBackgroundClick}
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/>
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</div>
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);
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ReactDOM.render(staticDialog, ModalManager.getOrCreateStaticContainer());
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} else {
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// This is safe to call repeatedly if we happen to do that
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ReactDOM.unmountComponentAtNode(ModalManager.getOrCreateStaticContainer());
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}
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const modal = this.getCurrentModal();
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if (modal !== this.staticModal && !modal.hidden) {
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const classes = classNames("mx_Dialog_wrapper", modal.className, {
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mx_Dialog_wrapperWithStaticUnder: this.staticModal,
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});
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const dialog = (
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<div className={classes}>
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<div className="mx_Dialog">{modal.elem}</div>
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<div
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data-testid="dialog-background"
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className="mx_Dialog_background"
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onClick={this.onBackgroundClick}
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/>
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</div>
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);
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setImmediate(() => ReactDOM.render(dialog, ModalManager.getOrCreateContainer()));
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} else {
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// This is safe to call repeatedly if we happen to do that
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ReactDOM.unmountComponentAtNode(ModalManager.getOrCreateContainer());
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}
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}
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}
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if (!window.singletonModalManager) {
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window.singletonModalManager = new ModalManager();
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}
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export default window.singletonModalManager;
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