47877ba2da
* Switch to importing TypedEventEmitter from main js-sdk export * Switch to importing js-sdk/matrix in cypress * Remove duplicated imports * Fix lint:js-fix to run prettier last otherwise ESLint --fix may cause a mess * Add lint rule * Fix cypress-axe import * Fix cypress-axe import
420 lines
15 KiB
TypeScript
420 lines
15 KiB
TypeScript
/*
|
|
Copyright 2015, 2016 OpenMarket Ltd
|
|
Copyright 2020 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
import React from "react";
|
|
import ReactDOM from "react-dom";
|
|
import classNames from "classnames";
|
|
import { defer, sleep } from "matrix-js-sdk/src/utils";
|
|
import { TypedEventEmitter } from "matrix-js-sdk/src/matrix";
|
|
|
|
import dis from "./dispatcher/dispatcher";
|
|
import AsyncWrapper from "./AsyncWrapper";
|
|
import { Defaultize } from "./@types/common";
|
|
|
|
const DIALOG_CONTAINER_ID = "mx_Dialog_Container";
|
|
const STATIC_DIALOG_CONTAINER_ID = "mx_Dialog_StaticContainer";
|
|
|
|
// Type which accepts a React Component which looks like a Modal (accepts an onFinished prop)
|
|
export type ComponentType =
|
|
| React.ComponentType<{
|
|
onFinished(...args: any): void;
|
|
}>
|
|
| React.ComponentType<any>;
|
|
|
|
// Generic type which returns the props of the Modal component with the onFinished being optional.
|
|
export type ComponentProps<C extends ComponentType> = Defaultize<
|
|
Omit<React.ComponentProps<C>, "onFinished">,
|
|
C["defaultProps"]
|
|
> &
|
|
Partial<Pick<React.ComponentProps<C>, "onFinished">>;
|
|
|
|
export interface IModal<C extends ComponentType> {
|
|
elem: React.ReactNode;
|
|
className?: string;
|
|
beforeClosePromise?: Promise<boolean>;
|
|
closeReason?: string;
|
|
onBeforeClose?(reason?: string): Promise<boolean>;
|
|
onFinished: ComponentProps<C>["onFinished"];
|
|
close(...args: Parameters<ComponentProps<C>["onFinished"]>): void;
|
|
hidden?: boolean;
|
|
}
|
|
|
|
export interface IHandle<C extends ComponentType> {
|
|
finished: Promise<Parameters<ComponentProps<C>["onFinished"]>>;
|
|
close(...args: Parameters<ComponentProps<C>["onFinished"]>): void;
|
|
}
|
|
|
|
interface IOptions<C extends ComponentType> {
|
|
onBeforeClose?: IModal<C>["onBeforeClose"];
|
|
}
|
|
|
|
export enum ModalManagerEvent {
|
|
Opened = "opened",
|
|
}
|
|
|
|
type HandlerMap = {
|
|
[ModalManagerEvent.Opened]: () => void;
|
|
};
|
|
|
|
export class ModalManager extends TypedEventEmitter<ModalManagerEvent, HandlerMap> {
|
|
private counter = 0;
|
|
// The modal to prioritise over all others. If this is set, only show
|
|
// this modal. Remove all other modals from the stack when this modal
|
|
// is closed.
|
|
private priorityModal: IModal<any> | null = null;
|
|
// The modal to keep open underneath other modals if possible. Useful
|
|
// for cases like Settings where the modal should remain open while the
|
|
// user is prompted for more information/errors.
|
|
private staticModal: IModal<any> | null = null;
|
|
// A list of the modals we have stacked up, with the most recent at [0]
|
|
// Neither the static nor priority modal will be in this list.
|
|
private modals: IModal<any>[] = [];
|
|
|
|
private static getOrCreateContainer(): HTMLElement {
|
|
let container = document.getElementById(DIALOG_CONTAINER_ID);
|
|
|
|
if (!container) {
|
|
container = document.createElement("div");
|
|
container.id = DIALOG_CONTAINER_ID;
|
|
document.body.appendChild(container);
|
|
}
|
|
|
|
return container;
|
|
}
|
|
|
|
private static getOrCreateStaticContainer(): HTMLElement {
|
|
let container = document.getElementById(STATIC_DIALOG_CONTAINER_ID);
|
|
|
|
if (!container) {
|
|
container = document.createElement("div");
|
|
container.id = STATIC_DIALOG_CONTAINER_ID;
|
|
document.body.appendChild(container);
|
|
}
|
|
|
|
return container;
|
|
}
|
|
|
|
public toggleCurrentDialogVisibility(): void {
|
|
const modal = this.getCurrentModal();
|
|
if (!modal) return;
|
|
modal.hidden = !modal.hidden;
|
|
}
|
|
|
|
public hasDialogs(): boolean {
|
|
return !!this.priorityModal || !!this.staticModal || this.modals.length > 0;
|
|
}
|
|
|
|
public createDialog<C extends ComponentType>(
|
|
Element: C,
|
|
props?: ComponentProps<C>,
|
|
className?: string,
|
|
isPriorityModal = false,
|
|
isStaticModal = false,
|
|
options: IOptions<C> = {},
|
|
): IHandle<C> {
|
|
return this.createDialogAsync<C>(
|
|
Promise.resolve(Element),
|
|
props,
|
|
className,
|
|
isPriorityModal,
|
|
isStaticModal,
|
|
options,
|
|
);
|
|
}
|
|
|
|
public appendDialog<C extends ComponentType>(
|
|
Element: C,
|
|
props?: ComponentProps<C>,
|
|
className?: string,
|
|
): IHandle<C> {
|
|
return this.appendDialogAsync<C>(Promise.resolve(Element), props, className);
|
|
}
|
|
|
|
/**
|
|
* @param reason either "backgroundClick" or undefined
|
|
* @return whether a modal was closed
|
|
*/
|
|
public closeCurrentModal(reason?: string): boolean {
|
|
const modal = this.getCurrentModal();
|
|
if (!modal) {
|
|
return false;
|
|
}
|
|
modal.closeReason = reason;
|
|
modal.close();
|
|
return true;
|
|
}
|
|
|
|
private buildModal<C extends ComponentType>(
|
|
prom: Promise<C>,
|
|
props?: ComponentProps<C>,
|
|
className?: string,
|
|
options?: IOptions<C>,
|
|
): {
|
|
modal: IModal<C>;
|
|
closeDialog: IHandle<C>["close"];
|
|
onFinishedProm: IHandle<C>["finished"];
|
|
} {
|
|
const modal = {
|
|
onFinished: props?.onFinished,
|
|
onBeforeClose: options?.onBeforeClose,
|
|
className,
|
|
|
|
// these will be set below but we need an object reference to pass to getCloseFn before we can do that
|
|
elem: null,
|
|
} as IModal<C>;
|
|
|
|
// never call this from onFinished() otherwise it will loop
|
|
const [closeDialog, onFinishedProm] = this.getCloseFn<C>(modal, props);
|
|
|
|
// don't attempt to reuse the same AsyncWrapper for different dialogs,
|
|
// otherwise we'll get confused.
|
|
const modalCount = this.counter++;
|
|
|
|
// FIXME: If a dialog uses getDefaultProps it clobbers the onFinished
|
|
// property set here so you can't close the dialog from a button click!
|
|
modal.elem = <AsyncWrapper key={modalCount} prom={prom} {...props} onFinished={closeDialog} />;
|
|
modal.close = closeDialog;
|
|
|
|
return { modal, closeDialog, onFinishedProm };
|
|
}
|
|
|
|
private getCloseFn<C extends ComponentType>(
|
|
modal: IModal<C>,
|
|
props?: ComponentProps<C>,
|
|
): [IHandle<C>["close"], IHandle<C>["finished"]] {
|
|
const deferred = defer<Parameters<ComponentProps<C>["onFinished"]>>();
|
|
return [
|
|
async (...args: Parameters<ComponentProps<C>["onFinished"]>): Promise<void> => {
|
|
if (modal.beforeClosePromise) {
|
|
await modal.beforeClosePromise;
|
|
} else if (modal.onBeforeClose) {
|
|
modal.beforeClosePromise = modal.onBeforeClose(modal.closeReason);
|
|
const shouldClose = await modal.beforeClosePromise;
|
|
modal.beforeClosePromise = undefined;
|
|
if (!shouldClose) {
|
|
return;
|
|
}
|
|
}
|
|
deferred.resolve(args);
|
|
if (props?.onFinished) props.onFinished.apply(null, args);
|
|
const i = this.modals.indexOf(modal);
|
|
if (i >= 0) {
|
|
this.modals.splice(i, 1);
|
|
}
|
|
|
|
if (this.priorityModal === modal) {
|
|
this.priorityModal = null;
|
|
|
|
// XXX: This is destructive
|
|
this.modals = [];
|
|
}
|
|
|
|
if (this.staticModal === modal) {
|
|
this.staticModal = null;
|
|
|
|
// XXX: This is destructive
|
|
this.modals = [];
|
|
}
|
|
|
|
this.reRender();
|
|
},
|
|
deferred.promise,
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @callback onBeforeClose
|
|
* @param {string?} reason either "backgroundClick" or null
|
|
* @return {Promise<bool>} whether the dialog should close
|
|
*/
|
|
|
|
/**
|
|
* Open a modal view.
|
|
*
|
|
* This can be used to display a react component which is loaded as an asynchronous
|
|
* webpack component. To do this, set 'loader' as:
|
|
*
|
|
* (cb) => {
|
|
* require(['<module>'], cb);
|
|
* }
|
|
*
|
|
* @param {Promise} prom a promise which resolves with a React component
|
|
* which will be displayed as the modal view.
|
|
*
|
|
* @param {Object} props properties to pass to the displayed
|
|
* component. (We will also pass an 'onFinished' property.)
|
|
*
|
|
* @param {String} className CSS class to apply to the modal wrapper
|
|
*
|
|
* @param {boolean} isPriorityModal if true, this modal will be displayed regardless
|
|
* of other modals that are currently in the stack.
|
|
* Also, when closed, all modals will be removed
|
|
* from the stack.
|
|
* @param {boolean} isStaticModal if true, this modal will be displayed under other
|
|
* modals in the stack. When closed, all modals will
|
|
* also be removed from the stack. This is not compatible
|
|
* with being a priority modal. Only one modal can be
|
|
* static at a time.
|
|
* @param {Object} options? extra options for the dialog
|
|
* @param {onBeforeClose} options.onBeforeClose a callback to decide whether to close the dialog
|
|
* @returns {object} Object with 'close' parameter being a function that will close the dialog
|
|
*/
|
|
public createDialogAsync<C extends ComponentType>(
|
|
prom: Promise<C>,
|
|
props?: ComponentProps<C>,
|
|
className?: string,
|
|
isPriorityModal = false,
|
|
isStaticModal = false,
|
|
options: IOptions<C> = {},
|
|
): IHandle<C> {
|
|
const beforeModal = this.getCurrentModal();
|
|
const { modal, closeDialog, onFinishedProm } = this.buildModal<C>(prom, props, className, options);
|
|
if (isPriorityModal) {
|
|
// XXX: This is destructive
|
|
this.priorityModal = modal;
|
|
} else if (isStaticModal) {
|
|
// This is intentionally destructive
|
|
this.staticModal = modal;
|
|
} else {
|
|
this.modals.unshift(modal);
|
|
}
|
|
|
|
this.reRender();
|
|
this.emitIfChanged(beforeModal);
|
|
|
|
return {
|
|
close: closeDialog,
|
|
finished: onFinishedProm,
|
|
};
|
|
}
|
|
|
|
private appendDialogAsync<C extends ComponentType>(
|
|
prom: Promise<C>,
|
|
props?: ComponentProps<C>,
|
|
className?: string,
|
|
): IHandle<C> {
|
|
const beforeModal = this.getCurrentModal();
|
|
const { modal, closeDialog, onFinishedProm } = this.buildModal<C>(prom, props, className, {});
|
|
|
|
this.modals.push(modal);
|
|
|
|
this.reRender();
|
|
this.emitIfChanged(beforeModal);
|
|
|
|
return {
|
|
close: closeDialog,
|
|
finished: onFinishedProm,
|
|
};
|
|
}
|
|
|
|
private emitIfChanged(beforeModal?: IModal<any>): void {
|
|
if (beforeModal !== this.getCurrentModal()) {
|
|
this.emit(ModalManagerEvent.Opened);
|
|
}
|
|
}
|
|
|
|
private onBackgroundClick = (): void => {
|
|
const modal = this.getCurrentModal();
|
|
if (!modal) {
|
|
return;
|
|
}
|
|
// we want to pass a reason to the onBeforeClose
|
|
// callback, but close is currently defined to
|
|
// pass all number of arguments to the onFinished callback
|
|
// so, pass the reason to close through a member variable
|
|
modal.closeReason = "backgroundClick";
|
|
modal.close();
|
|
modal.closeReason = undefined;
|
|
};
|
|
|
|
private getCurrentModal(): IModal<any> {
|
|
return this.priorityModal ? this.priorityModal : this.modals[0] || this.staticModal;
|
|
}
|
|
|
|
private async reRender(): Promise<void> {
|
|
// TODO: We should figure out how to remove this weird sleep. It also makes testing harder
|
|
//
|
|
// await next tick because sometimes ReactDOM can race with itself and cause the modal to wrongly stick around
|
|
await sleep(0);
|
|
|
|
if (this.modals.length === 0 && !this.priorityModal && !this.staticModal) {
|
|
// If there is no modal to render, make all of Element available
|
|
// to screen reader users again
|
|
dis.dispatch({
|
|
action: "aria_unhide_main_app",
|
|
});
|
|
ReactDOM.unmountComponentAtNode(ModalManager.getOrCreateContainer());
|
|
ReactDOM.unmountComponentAtNode(ModalManager.getOrCreateStaticContainer());
|
|
return;
|
|
}
|
|
|
|
// Hide the content outside the modal to screen reader users
|
|
// so they won't be able to navigate into it and act on it using
|
|
// screen reader specific features
|
|
dis.dispatch({
|
|
action: "aria_hide_main_app",
|
|
});
|
|
|
|
if (this.staticModal) {
|
|
const classes = classNames("mx_Dialog_wrapper mx_Dialog_staticWrapper", this.staticModal.className);
|
|
|
|
const staticDialog = (
|
|
<div className={classes}>
|
|
<div className="mx_Dialog">{this.staticModal.elem}</div>
|
|
<div
|
|
data-testid="dialog-background"
|
|
className="mx_Dialog_background mx_Dialog_staticBackground"
|
|
onClick={this.onBackgroundClick}
|
|
/>
|
|
</div>
|
|
);
|
|
|
|
ReactDOM.render(staticDialog, ModalManager.getOrCreateStaticContainer());
|
|
} else {
|
|
// This is safe to call repeatedly if we happen to do that
|
|
ReactDOM.unmountComponentAtNode(ModalManager.getOrCreateStaticContainer());
|
|
}
|
|
|
|
const modal = this.getCurrentModal();
|
|
if (modal !== this.staticModal && !modal.hidden) {
|
|
const classes = classNames("mx_Dialog_wrapper", modal.className, {
|
|
mx_Dialog_wrapperWithStaticUnder: this.staticModal,
|
|
});
|
|
|
|
const dialog = (
|
|
<div className={classes}>
|
|
<div className="mx_Dialog">{modal.elem}</div>
|
|
<div
|
|
data-testid="dialog-background"
|
|
className="mx_Dialog_background"
|
|
onClick={this.onBackgroundClick}
|
|
/>
|
|
</div>
|
|
);
|
|
|
|
setImmediate(() => ReactDOM.render(dialog, ModalManager.getOrCreateContainer()));
|
|
} else {
|
|
// This is safe to call repeatedly if we happen to do that
|
|
ReactDOM.unmountComponentAtNode(ModalManager.getOrCreateContainer());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!window.singletonModalManager) {
|
|
window.singletonModalManager = new ModalManager();
|
|
}
|
|
export default window.singletonModalManager;
|