2024-03-14 21:04:32 +02:00
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import * as React from 'react';
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import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
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import { PluginHtmlContents, ViewInfo } from '@joplin/lib/services/plugins/reducer';
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import ExtendedWebView, { WebViewControl } from '../../../components/ExtendedWebView';
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import { ViewStyle } from 'react-native';
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import usePlugin from '../../hooks/usePlugin';
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import shim from '@joplin/lib/shim';
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import useDialogMessenger from './hooks/useDialogMessenger';
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import useWebViewSetup from './hooks/useWebViewSetup';
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import { DialogWebViewApi } from '../types';
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interface Props {
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themeId: number;
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pluginHtmlContents: PluginHtmlContents;
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viewInfo: ViewInfo;
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style: ViewStyle;
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onLoadEnd: ()=> void;
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setDialogControl: (dialogControl: DialogWebViewApi)=> void;
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}
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const PluginUserWebView = (props: Props) => {
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const viewInfo = props.viewInfo;
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const view = viewInfo.view;
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const pluginId = viewInfo.plugin.id;
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const viewId = view.id;
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const plugin = usePlugin(pluginId);
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const [webViewLoadCount, setWebViewLoadCount] = useState(0);
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const webviewRef = useRef<WebViewControl>(null);
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const messageChannelId = `dialog-messenger-${pluginId}-${viewId}`;
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const messenger = useDialogMessenger({
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pluginId,
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viewId,
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webviewRef,
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messageChannelId,
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});
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useEffect(() => {
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// Because of how messenger.remoteApi handles message forwarding (property names
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// are not known), we need to send methods individually and can't use an object
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// spread or send messenger.remoteApi.
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props.setDialogControl({
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includeCssFiles: messenger.remoteApi.includeCssFiles,
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includeJsFiles: messenger.remoteApi.includeJsFiles,
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setThemeCss: messenger.remoteApi.setThemeCss,
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getFormData: messenger.remoteApi.getFormData,
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getContentSize: messenger.remoteApi.getContentSize,
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});
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}, [messenger, props.setDialogControl]);
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useWebViewSetup({
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themeId: props.themeId,
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dialogControl: messenger.remoteApi,
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scriptPaths: view.scripts ?? [],
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pluginBaseDir: plugin.baseDir,
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webViewLoadCount,
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});
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const htmlContent = props.pluginHtmlContents[pluginId]?.[viewId] ?? '';
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const html = `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8"/>
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<meta name="viewport" content="width=device-width,initial-scale=1.0"/>
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<title>Plugin Dialog</title>
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<style>
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body {
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padding: 20px;
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color: var(--joplin-color);
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2024-03-29 14:40:54 +02:00
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font: -apple-system-body;
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2024-03-14 21:04:32 +02:00
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}
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</style>
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</head>
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<body>
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${htmlContent}
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</body>
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</html>
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`;
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const injectedJs = useMemo(() => {
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return `
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if (!window.backgroundPageLoaded) {
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${shim.injectedJs('pluginBackgroundPage')}
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pluginBackgroundPage.initializeDialogWebView(
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${JSON.stringify(messageChannelId)}
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);
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window.backgroundPageLoaded = true;
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}
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`;
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}, [messageChannelId]);
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const onWebViewLoaded = useCallback(() => {
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setWebViewLoadCount(webViewLoadCount + 1);
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props.onLoadEnd();
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messenger.onWebViewLoaded();
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}, [messenger, setWebViewLoadCount, webViewLoadCount, props.onLoadEnd]);
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return (
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<ExtendedWebView
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style={props.style}
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2024-03-29 14:40:54 +02:00
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baseDirectory={plugin.baseDir}
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2024-03-14 21:04:32 +02:00
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webviewInstanceId='joplin__PluginDialogWebView'
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html={html}
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2024-03-20 12:52:58 +02:00
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hasPluginScripts={true}
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2024-03-14 21:04:32 +02:00
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injectedJavaScript={injectedJs}
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onMessage={messenger.onWebViewMessage}
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onLoadEnd={onWebViewLoaded}
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ref={webviewRef}
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/>
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);
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};
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export default PluginUserWebView;
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