mirror of
https://github.com/laurent22/joplin.git
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245 lines
7.3 KiB
TypeScript
245 lines
7.3 KiB
TypeScript
import PostMessageService, { MessageResponse, ResponderComponentType } from '@joplin/lib/services/PostMessageService';
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import * as React from 'react';
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import { reg } from '@joplin/lib/registry';
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import bridge from '../services/bridge';
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import { focus } from '@joplin/lib/utils/focusHandler';
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interface Props {
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// eslint-disable-next-line @typescript-eslint/ban-types -- Old code before rule was applied
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onDomReady: Function;
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// eslint-disable-next-line @typescript-eslint/ban-types -- Old code before rule was applied
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onIpcMessage: Function;
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// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
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viewerStyle: any;
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contentMaxWidth?: number;
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themeId: number;
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}
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type RemovePluginAssetsCallback = ()=> void;
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interface SetHtmlOptions {
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pluginAssets: { path: string }[];
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
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export default class NoteTextViewerComponent extends React.Component<Props, any> {
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private initialized_ = false;
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private domReady_ = false;
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private webviewRef_: React.RefObject<HTMLIFrameElement>;
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// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
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private webviewListeners_: any = null;
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private removePluginAssetsCallback_: RemovePluginAssetsCallback|null = null;
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// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
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public constructor(props: any) {
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super(props);
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this.webviewRef_ = React.createRef();
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PostMessageService.instance().registerResponder(ResponderComponentType.NoteTextViewer, '', (message: MessageResponse) => {
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if (!this.webviewRef_?.current?.contentWindow) {
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reg.logger().warn('Cannot respond to message because target is gone', message);
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return;
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}
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this.webviewRef_.current.contentWindow.postMessage({
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target: 'webview',
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name: 'postMessageService.response',
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data: message,
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}, '*');
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});
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this.webview_domReady = this.webview_domReady.bind(this);
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this.webview_ipcMessage = this.webview_ipcMessage.bind(this);
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this.webview_load = this.webview_load.bind(this);
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this.webview_message = this.webview_message.bind(this);
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
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private webview_domReady(event: any) {
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this.domReady_ = true;
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if (this.props.onDomReady) this.props.onDomReady(event);
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
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private webview_ipcMessage(event: any) {
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if (this.props.onIpcMessage) this.props.onIpcMessage(event);
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}
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private webview_load() {
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this.webview_domReady({});
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}
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private webview_message(event: MessageEvent) {
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if (event.source !== this.webviewRef_.current?.contentWindow) return;
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if (!event.data || event.data.target !== 'main') return;
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const callName = event.data.name;
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const args = event.data.args;
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if (this.props.onIpcMessage) {
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this.props.onIpcMessage({
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channel: callName,
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args: args,
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});
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}
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}
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public domReady() {
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return this.domReady_;
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}
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public initWebview() {
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const wv = this.webviewRef_.current;
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if (!this.webviewListeners_) {
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this.webviewListeners_ = {
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'dom-ready': this.webview_domReady.bind(this),
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'ipc-message': this.webview_ipcMessage.bind(this),
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'load': this.webview_load.bind(this),
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};
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}
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for (const n in this.webviewListeners_) {
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if (!this.webviewListeners_.hasOwnProperty(n)) continue;
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const fn = this.webviewListeners_[n];
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wv.addEventListener(n, fn);
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}
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window.addEventListener('message', this.webview_message);
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}
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private destroyWebview() {
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const wv = this.webviewRef_.current;
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if (!wv || !this.initialized_) return;
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for (const n in this.webviewListeners_) {
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if (!this.webviewListeners_.hasOwnProperty(n)) continue;
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const fn = this.webviewListeners_[n];
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wv.removeEventListener(n, fn);
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}
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window.removeEventListener('message', this.webview_message);
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this.initialized_ = false;
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this.domReady_ = false;
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this.removePluginAssetsCallback_?.();
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}
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public focus() {
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if (this.webviewRef_.current) {
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// Calling focus on webviewRef_ seems to be necessary when NoteTextViewer.focus
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// is called outside of a user event (e.g. in a setTimeout) or during automated
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// tests:
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focus('NoteTextViewer::focus', this.webviewRef_.current);
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// Calling .focus on this.webviewRef.current isn't sufficient.
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// To allow arrow-key scrolling, focus must also be set within the iframe:
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this.send('focus');
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}
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}
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public hasFocus() {
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return this.webviewRef_.current?.contains(document.activeElement);
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}
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public tryInit() {
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if (!this.initialized_ && this.webviewRef_.current) {
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this.initWebview();
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this.initialized_ = true;
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}
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}
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public componentDidMount() {
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this.tryInit();
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}
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public componentDidUpdate() {
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this.tryInit();
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}
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public componentWillUnmount() {
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this.destroyWebview();
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}
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// ----------------------------------------------------------------
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// Wrap WebView functions
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// ----------------------------------------------------------------
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// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
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public send(channel: string, arg0: any = null, arg1: any = null) {
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const win = this.webviewRef_.current.contentWindow;
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if (channel === 'focus') {
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win.postMessage({ target: 'webview', name: 'focus', data: {} }, '*');
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}
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// External code should use .setHtml (rather than send('setHtml', ...))
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if (channel === 'setHtml') {
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win.postMessage({ target: 'webview', name: 'setHtml', data: { html: arg0, options: arg1 } }, '*');
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}
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if (channel === 'scrollToHash') {
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win.postMessage({ target: 'webview', name: 'scrollToHash', data: { hash: arg0 } }, '*');
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}
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if (channel === 'setPercentScroll') {
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win.postMessage({ target: 'webview', name: 'setPercentScroll', data: { percent: arg0 } }, '*');
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}
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if (channel === 'setMarkers') {
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win.postMessage({ target: 'webview', name: 'setMarkers', data: { keywords: arg0, options: arg1 } }, '*');
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}
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}
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public setHtml(html: string, options: SetHtmlOptions) {
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const protocolHandler = bridge().electronApp().getCustomProtocolHandler();
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// Grant & remove asset access.
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if (options.pluginAssets) {
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this.removePluginAssetsCallback_?.();
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const pluginAssetPaths: string[] = options.pluginAssets.map((asset) => asset.path);
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const assetAccesses = pluginAssetPaths.map(
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path => protocolHandler.allowReadAccessToFile(path),
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);
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this.removePluginAssetsCallback_ = () => {
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for (const accessControl of assetAccesses) {
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accessControl.remove();
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}
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this.removePluginAssetsCallback_ = null;
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};
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}
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this.send('setHtml', html, {
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...options,
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mediaAccessKey: protocolHandler.getMediaAccessKey(),
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});
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}
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// ----------------------------------------------------------------
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// Wrap WebView functions (END)
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// ----------------------------------------------------------------
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public render() {
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const viewerStyle = { border: 'none', ...this.props.viewerStyle };
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// allow=fullscreen: Required to allow the user to fullscreen videos.
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return (
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<iframe
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className="noteTextViewer"
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ref={this.webviewRef_}
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style={viewerStyle}
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allow='clipboard-write=(self) fullscreen=(self) autoplay=(self) local-fonts=(self) encrypted-media=(self)'
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allowFullScreen={true}
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src={`joplin-content://note-viewer/${__dirname}/note-viewer/index.html`}
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></iframe>
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);
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}
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}
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