feat(rn): 增加插件逻辑注入

并增加内部选择颜色推送到外部的功能

client/mobile/src/App.tsx

@@ -10,10 +10,15 @@ import { SafeAreaView, StatusBar, useColorScheme } from 'react-native';
 import { AppMain } from './AppMain';
 import { Entry } from './Entry';
 import { useServerStore } from './store/server';
+import { useUIStore } from './store/ui';
 import { theme } from './theme';
 
 function App(): JSX.Element {
-  const isDarkMode = useColorScheme() === 'dark';
+  const { colorScheme } = useUIStore();
+  const systemColorScheme = useColorScheme();
+  const finalColorScheme =
+    colorScheme === 'auto' ? systemColorScheme : colorScheme;
+  const isDarkMode = finalColorScheme === 'dark';
   const selectedServerInfo = useServerStore(
     (state) => state.selectedServerInfo
   );

client/mobile/src/AppMain.tsx

@@ -1,7 +1,8 @@
 import React, { useEffect, useRef } from 'react';
 import { StyleSheet, View } from 'react-native';
 import { WebView } from 'react-native-webview';
-import { generateInjectScript } from './lib/inject';
+import { generatePostMessageScript } from './lib/inject';
+import { handleTailchatMessage } from './lib/inject/message-handler';
 import { initNotificationEnv } from './lib/notifications';
 
 /**
@@ -18,15 +19,34 @@ export const AppMain: React.FC<Props> = React.memo((props) => {
 
   useEffect(() => {
     initNotificationEnv();
-
-    if (webviewRef.current) {
-      webviewRef.current.injectJavaScript(generateInjectScript());
-    }
   }, []);
 
   return (
     <View style={styles.root}>
-      <WebView ref={webviewRef} source={{ uri: props.host }} />
+      <WebView
+        ref={webviewRef}
+        source={{ uri: props.host }}
+        injectedJavaScriptBeforeContentLoaded={generatePostMessageScript()}
+        onMessage={(e) => {
+          if (!webviewRef.current) {
+            return;
+          }
+
+          try {
+            const raw = e.nativeEvent.data as string;
+            const data = JSON.parse(raw);
+            if (typeof data === 'object' && data._isTailchat === true) {
+              handleTailchatMessage(
+                data.type,
+                data.payload,
+                webviewRef.current
+              );
+            }
+          } catch (err) {
+            console.error('webview onmessage:', err);
+          }
+        }}
+      />
     </View>
   );
 });

client/mobile/src/lib/inject/index.ts

@@ -1,8 +1,32 @@
+// @ts-nocheck
+
 /**
  * 生成注入到Webview中的js代码
  */
-export function generateInjectScript() {
-  // console.log(require('../../../dist/plugins/com.msgbyte.env.rn/index.js'));
+export function generateInstallPluginScript() {
+  /**
+   * manifest copy from:
+   * com.msgbyte.env.rn/manifest.json
+   */
+  const inner = `function main() {
+    window.tailchat
+      .installPlugin({
+        label: 'ReactNative支持',
+        name: 'com.msgbyte.env.rn',
+        url: '/plugins/com.msgbyte.env.rn/index.js',
+        version: '0.0.0',
+        author: 'moonrailgun',
+        description: '在Tailchat添加对ReactNative环境的支持',
+        requireRestart: true,
+      });
+  }`;
+
+  const raw = `(${inner})()`;
+  return raw;
+}
 
-  return `alert(JSON.stringify(window.tailchat))`;
+export function generatePostMessageScript() {
+  return `window.postMessage = function (data) {
+    window.ReactNativeWebView.postMessage(JSON.stringify(data));
+  };`;
 }

client/mobile/src/lib/inject/message-handler.ts

@@ -0,0 +1,22 @@
+import type WebView from 'react-native-webview';
+import { generateInstallPluginScript } from '.';
+import { useUIStore } from '../../store/ui';
+
+export function handleTailchatMessage(
+  type: string,
+  payload: any,
+  webview: WebView
+) {
+  console.log('onMessage receive:', type, payload);
+
+  if (type === 'init') {
+    webview.injectJavaScript(generateInstallPluginScript());
+    return;
+  }
+
+  if (type === 'loadColorScheme') {
+    // 设置颜色
+    useUIStore.getState().setColorScheme(payload);
+    return;
+  }
+}

client/mobile/src/store/ui.ts

@@ -0,0 +1,37 @@
+import { create } from 'zustand';
+import { immer } from 'zustand/middleware/immer';
+import { persist } from 'zustand/middleware';
+import { zustandRNStorage } from '../lib/utils/storage';
+
+interface UIStoreState {
+  colorScheme: 'dark' | 'light' | 'auto';
+  setColorScheme: (colorScheme: 'dark' | 'light' | 'auto' | string) => void;
+}
+
+export const useUIStore = create<UIStoreState>()(
+  persist(
+    immer((set) => ({
+      colorScheme: 'dark',
+      setColorScheme: (colorScheme) => {
+        if (colorScheme === 'dark') {
+          set({
+            colorScheme: 'dark',
+          });
+        } else if (colorScheme === 'light') {
+          set({
+            colorScheme: 'light',
+          });
+        } else {
+          set({
+            colorScheme: 'auto',
+          });
+        }
+      },
+    })),
+    {
+      name: 'ui',
+      storage: zustandRNStorage,
+      partialize: (state) => ({ colorScheme: state.colorScheme }),
+    }
+  )
+);

client/web/plugins/com.msgbyte.env.rn/src/index.tsx

@@ -0,0 +1,16 @@
+import { sharedEvent } from '@capital/common';
+
+const PLUGIN_NAME = 'ReactNative支持';
+
+console.log(`Plugin ${PLUGIN_NAME} is loaded`);
+
+sharedEvent.on('loadColorScheme', (colorScheme: string) => {
+  window.postMessage(
+    {
+      _isTailchat: true,
+      type: 'loadColorScheme',
+      payload: colorScheme,
+    },
+    '*'
+  );
+});

client/web/src/index.tsx

@@ -7,6 +7,7 @@ import { initPlugins } from './plugin/loader';
 import { installServiceWorker } from './utils/sw-helper';
 import { showErrorToasts, t } from 'tailchat-shared';
 import { recordMeasure } from './utils/measure-helper';
+import { postMessageEvent } from './utils/event-helper';
 import './styles';
 
 installServiceWorker();
@@ -16,6 +17,7 @@ recordMeasure('initPluginsStart');
 initPlugins()
   .then(() => {
     recordMeasure('initPluginsEnd');
+    postMessageEvent('loaded');
     // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
     const root = createRoot(document.querySelector('#app')!);
     root.render(

client/web/src/init.tsx

@@ -19,8 +19,10 @@ import { getPopupContainer } from './utils/dom-helper';
 import { getUserJWT } from './utils/jwt-helper';
 import _get from 'lodash/get';
 import { recordMeasure } from './utils/measure-helper';
+import { postMessageEvent } from './utils/event-helper';
 
 recordMeasure('init');
+postMessageEvent('init');
 
 if (isDevelopment) {
   import('source-ref-runtime').then(({ start }) => start());

client/web/src/plugin/manager.ts

@@ -134,4 +134,7 @@ class PluginManager {
 }
 
 export const pluginManager = new PluginManager();
-injectTailchatGlobalValue('installPlugin', pluginManager.installPlugin);
+injectTailchatGlobalValue(
+  'installPlugin',
+  pluginManager.installPlugin.bind(pluginManager)
+);

client/web/src/utils/event-helper.ts

@@ -0,0 +1,21 @@
+/**
+ * 消息生命周期
+ */
+interface MessageEventMap {
+  init: undefined; // 初始化阶段
+  loaded: undefined; // 插件加载完毕
+}
+
+export function postMessageEvent<T extends keyof MessageEventMap>(
+  eventType: T,
+  eventData?: MessageEventMap[T]
+) {
+  window.postMessage(
+    {
+      _isTailchat: true,
+      type: eventType,
+      payload: eventData,
+    },
+    '*'
+  );
+}