TUILiveKit.main.js

const {
  app,
  BrowserWindow,
  systemPreferences,
  crashReporter,
  ipcMain,
  Menu,
  shell,
} = require("electron");
const path = require("path");
const EventEmitter = require("events");

const logPrefix = "[TUILiveKit.main]";

let language = "zh-CN";

const basicInfo = {
  userInfo: null,
};

const windowMap = {
  main: null,
  child: null
}

const liveKitEmitter = new EventEmitter();

// 开启crash捕获
crashReporter.start({
  productName: "tui-live-kit-electron",
  companyName: "Tencent Cloud",
  submitURL: "https://www.xxx.com",
  uploadToServer: false,
  ignoreSystemCrashHandler: false,
});

// 开启crash捕获
let crashFilePath = "";
let crashDumpsDir = "";
try {
  // electron 低版本
  crashFilePath = path.join(app.getPath("temp"), app.getName() + " Crashes");
  console.log("————————crash path:", crashFilePath);

  // electron 高版本
  crashDumpsDir = app.getPath("crashDumps");
  console.log("————————crashDumpsDir:", crashDumpsDir);
} catch (e) {
  console.error("获取奔溃文件路径失败", e);
}

async function checkAndApplyDeviceAccessPrivilege() {
  if (process.platform === "darwin" || process.platform === 'win32') {
    try {
      const cameraPrivilege = systemPreferences.getMediaAccessStatus("camera");
      console.log(
        `checkAndApplyDeviceAccessPrivilege before apply cameraPrivilege: ${cameraPrivilege}`
      );
      if (cameraPrivilege !== "granted") {
        await systemPreferences.askForMediaAccess("camera");
      }
  
      const micPrivilege = systemPreferences.getMediaAccessStatus("microphone");
      console.log(
        `checkAndApplyDeviceAccessPrivilege before apply micPrivilege: ${micPrivilege}`
      );
      if (micPrivilege !== "granted") {
        await systemPreferences.askForMediaAccess("microphone");
      }
  
      const screenPrivilege = systemPreferences.getMediaAccessStatus("screen");
      console.log(
        `checkAndApplyDeviceAccessPrivilege before apply screenPrivilege: ${screenPrivilege}`
      );
    } catch(err) {
      console.warn("checkAndApplyDeviceAccessPrivilege error:", err)
    }
  } else {
    // Electron API getMediaAccessStatus/askForMediaAccess does not support on Linux.
  }
}

function isZhCN() {
  return language === "zh-CN";
}

function windowOpenHandler(details) {
  if (details.url) {
    if (details.url.startsWith('https:') || details.url.startsWith('http:')) {
      shell.openExternal(details.url);
    }
  }
  return { action: 'deny' };
}

async function createWindow(width = 1366, height = 668) {
  await checkAndApplyDeviceAccessPrivilege();

  windowMap.main = new BrowserWindow({
    width: 1200 || width,
    height: 650 || height,
    minWidth: 1200,
    minHeight: 650,
    frame: false,
    transparent: true,
    backgroundColor: 'rgba(0, 0, 0, 0)',
    acceptFirstMouse: true, // only mac
    webPreferences: {
      preload: path.join(__dirname, "TUILiveKit.preload.js"),
      nodeIntegration: true,
      contextIsolation: false,
      nodeIntegrationInWorker: true,
    },
  });
  windowMap.child = new BrowserWindow({
    show: false,
    width: 600,
    height: 650,
    // parent: windowMap.main, // To do: 父子窗口在 Windows 和 Mac 上一致，暂时注释掉，后续确定不可行时，再删除。
    frame: false,
    transparent: true,
    backgroundColor: 'rgba(0, 0, 0, 0)',
    acceptFirstMouse: true, // only mac
    skitTaskbar: true,
    resizable: false,
    webPreferences: {
      nodeIntegration: true,
      nodeIntegrationInWorker: true,
      contextIsolation: false,
      preload: path.join(__dirname, "TUILiveKit.preload.js"),
    },
  });

  // Make all links open with the browser, not with current application
  windowMap.main.webContents.setWindowOpenHandler(windowOpenHandler);
  windowMap.child.webContents.setWindowOpenHandler(windowOpenHandler);

  bindIPCEvent();
  bindMainWindowEvent();
  bindChildWindowEvent();  

  if (app.isPackaged) {
    windowMap.main?.loadFile("dist/index.html");
    windowMap.child?.loadFile("dist/index.html");
  } else {
    windowMap.main?.loadURL("http://localhost:8080");
    windowMap.child?.loadURL("http://localhost:8080");
  }
}

function bindIPCEvent() {
  ipcMain.handle("app-path", () => {
    return app.getAppPath();
  });

  ipcMain.handle("window-type", (event) => {
    if (event.sender === windowMap.main?.webContents) {
      return 'main';
    } else if (event.sender === windowMap.child?.webContents) {
      return 'child';
    } else {
      return '';
    }
  });
  
  ipcMain.on("on-minimize-window", () => {
    console.log(`${logPrefix}on-minimize-window event`);
    windowMap.main?.minimize();
  });

  ipcMain.on("on-maximize-window", (evt, flag) => {
    console.log(`${logPrefix}on-maximize-window event:`, flag);
    if (flag) {
      windowMap.main?.maximize();
    } else {
      windowMap.main?.unmaximize();
    }
  });

  ipcMain.on("on-close-window", () => {
    console.log(`${logPrefix}on-close-window event`);
    windowMap.main?.close();
    windowMap.child?.close();
  });

  ipcMain.on("open-child", (event, args) => {
    console.log(`${logPrefix}on open-child`, args);
    const [width, height] = windowMap.main?.getSize();
    switch (args.command) {
    case 'camera':
      windowMap.child?.setSize(600, 650, true);
      windowMap.child?.setContentSize(600, 650, true);
      break;
    case 'image':
      windowMap.child?.setSize(600, 500, true);
      windowMap.child?.setContentSize(600, 500, true);
      break;
    case 'screen':
      windowMap.child?.setSize(width - 150, height - 80, true);
      windowMap.child?.setContentSize(width -150, height - 80, true);
      break;
    case 'voice-chat':
    case 'add-bgm':
    case 'reverb-voice':
    case 'change-voice':
    case 'setting':
      windowMap.child?.setSize(600, 560, true);
      windowMap.child?.setContentSize(600, 560, true);
      break;
    default:
      break;
    }
    windowMap.child?.center();
    windowMap.child?.show();
    windowMap.child?.webContents.send("show", args);
  });

  ipcMain.on("close-child", () => {
    windowMap.child?.hide();
  });

  ipcMain.on("login", (event) => {
    if (event.sender === windowMap.main?.webContents) {
      windowMap.child?.webContents.send("login", { from: 'main' });
    } else {
      windowMap.main?.webContents.send("login", { from: 'child' });
    }
  });

  ipcMain.on("port-to-child", (event) => {
    const port = event.ports[0];
    console.log("port-to-child", port);
    windowMap.child?.webContents.postMessage("port-to-child", null, [port]);
  });

  ipcMain.on("set-language", (event, args) => {
    console.log(`${logPrefix}set-language`, args);
    language = args;
  });

  ipcMain.on("show-context-menu", (event) => {
    const template = [
      {
        label: isZhCN() ? "排序" : "Sort",
        submenu: [
          { "label": isZhCN() ? "上移" : "Move up", "click": () => { event.sender.send('context-menu-command', 'move-up'); } },
          { "label": isZhCN() ? "下移" : "Move down", "click": () => { event.sender.send('context-menu-command', 'move-down'); } },
          { "label": isZhCN() ? "移至顶部" : "Move to top", "click": () => {  event.sender.send('context-menu-command', 'move-top'); } },
          { "label": isZhCN() ? "移至底部" : "Move to bottom", "click": () => {  event.sender.send('context-menu-command', 'move-bottom'); }},
        ]
      },
      {
        label: isZhCN() ? "变换" : "Transform",
        submenu: [
          { "label": isZhCN() ? "顺时针旋转90度" : "Rotate 90 degrees CW", "click": () => { event.sender.send('context-menu-command', 'transform-clockwise-90'); } },
          { "label": isZhCN() ? "逆时针旋转90度" : "Rotate 90 degrees CCW", "click": () => { event.sender.send('context-menu-command', 'transform-anti-clockwise-90'); } },
          { "label": isZhCN() ? "水平旋转" : "Flip horizontal", "click": () => {  event.sender.send('context-menu-command', 'transform-mirror-horizontal'); } },
          { "label": isZhCN() ? "垂直旋转" : "Flip vertical", "click": () => {  event.sender.send('context-menu-command', 'transform-mirror-vertical'); }},
          // { type: 'separator' },
          // { "label": "还原", "click": () => {  event.sender.send('context-menu-command', 'transform-reset'); }},
        ]
      },
      { type: "separator" },
      { label: isZhCN() ? "隐藏" : "Hide", click: () => {  event.sender.send('context-menu-command', 'hide'); } },
      // { label: "锁定", click: () => {  event.sender.send('context-menu-command', 'lock'); } },
      { label: isZhCN() ? "编辑" : "Edit", click: () => {  event.sender.send('context-menu-command', 'edit'); } },
      { type: 'separator' },
      { label: isZhCN() ? "删除" : "Remove", click: () => {  event.sender.send('context-menu-command', 'remove'); } },
    ]
    const menu = Menu.buildFromTemplate(template)
    menu.popup({ window: BrowserWindow.fromWebContents(event.sender) })
  })
}

function unbindIPCMainEvent() {
  ipcMain.removeHandler("app-path");
  ipcMain.removeHandler("window-type");
  ipcMain.removeAllListeners("on-minimize-window");
  ipcMain.removeAllListeners("on-maximize-window");
  ipcMain.removeAllListeners("on-close-window");
  ipcMain.removeAllListeners("open-child");
  ipcMain.removeAllListeners("close-child");
  ipcMain.removeAllListeners("login");
  ipcMain.removeAllListeners("port-to-child");
  ipcMain.removeAllListeners("set-language");
  ipcMain.removeAllListeners("show-context-menu");
}

let initMainWindowTimer = null;
function initMainWindowPage() {
  if (initMainWindowTimer) {
    clearTimeout(initMainWindowTimer);
    initMainWindowTimer = null;
  }
  console.log(`${logPrefix}main window: initMainWindowPage`);
  if (basicInfo.userInfo) {
    windowMap.main?.webContents.send("window-type", "main");
    setTimeout(() => {
      windowMap.main?.webContents.send("openTUILiveKit", basicInfo.userInfo);
    }, 3000);
  } else {
    initMainWindowTimer = setTimeout(() => {
      initMainWindowPage();
    }, 300);
  }
}

function bindMainWindowEvent() {
  windowMap.main?.webContents.on("did-fail-load", () => {
    console.log(`${logPrefix}main window: did-fail-load, reload soon...`);
    setTimeout(() => {
      windowMap.main?.reload();
    }, 1000);
  });

  windowMap.main?.webContents.on("did-finish-load", () => {
    console.log(`${logPrefix}main window: did-finish-load`);
    windowMap.main?.webContents.send("app-path", app.getAppPath());
    windowMap.main?.webContents.send("crash-file-path",`${crashFilePath}|${crashDumpsDir}`);
    windowMap.main?.webContents.send("native-window-handle", windowMap.main?.getNativeWindowHandle());
    initMainWindowPage();    
  });

  windowMap.main?.on("closed", () => {
    console.log(`${logPrefix}closed windowMap.main`);
    if (windowMap.child) {
      windowMap.child.close();
      windowMap.child = null;
    }
    if (initMainWindowTimer) {
      clearTimeout(initMainWindowTimer);
      initMainWindowTimer = null;
    }
    windowMap.main = null;

    unbindIPCMainEvent();
    liveKitEmitter.emit("closed");   
  });
}

function bindChildWindowEvent() {
  windowMap.child?.webContents.on("did-fail-load", () => {
    console.log(`${logPrefix}child window: did-fail-load, reload soon...`);
    setTimeout(() => {
      windowMap.child?.reload();
    }, 2000);
  });

  windowMap.child?.webContents.on('did-finish-load', function(){
    console.log(`${logPrefix}child window: did-finish-load`);
    windowMap.child?.webContents.send("app-path", app.getAppPath());
    windowMap.child?.webContents.send("native-window-handle", windowMap.child?.getNativeWindowHandle());
    windowMap.child?.webContents.send("window-type", "child");
  });

  windowMap.child?.on("close", (event) => {
    if (windowMap.main) {
      event.preventDefault();
      windowMap.child?.hide();
    }  
  });

  windowMap.child?.on("closed", () => {
    if (windowMap.child) {
      windowMap.child = null;
    }  
  });
}

function openTUILiveKit() {
  const { screen } = require("electron");
  const primaryDisplay = screen.getPrimaryDisplay();
  const { width, height } = primaryDisplay.workAreaSize;
  const winWidth = width - 40;
  const winHeight = height - 40;

  if (!app.isPackaged) {
    console.log(`${logPrefix}Added Extension: installing vue-dev tool...`);
    const {
      default: installExtension,
      VUEJS_DEVTOOLS,
    } = require("electron-devtools-installer");
    installExtension(VUEJS_DEVTOOLS)
      .then((name) => {
        console.log(`${logPrefix}Added Extension:  ${name}`);
        createWindow(winWidth, winHeight);
      })
      .catch((err) => {
        console.error(`${logPrefix}Added Extension failed: `, err);
        createWindow(winWidth, winHeight);
      });
  } else {
    console.log(`${logPrefix}Packaged env, create window without dev-tool extension.`);
    createWindow(winWidth, winHeight);
  }
}

const TUILiveKitMain = {
  open: (args) => {
    if (windowMap.main === null) {
      if (args?.userInfo) {
        basicInfo.userInfo = args.userInfo;
      }
      openTUILiveKit();
    }
  },
  close: () => {
    if (windowMap.main) {
      windowMap.child?.close();
      windowMap.main.close();
    }
  },
  init: (args) => {
    if (args?.userInfo) {
      basicInfo.userInfo = args.userInfo;
      initMainWindowPage();
    } else {
      console.error(`${logPrefix}init() invalid parameter`);
    }
  },
  on(eventName, listener) {
    liveKitEmitter.on(eventName, listener);
  },
  off(eventName, listener) {
    liveKitEmitter.off(eventName, listener);
  }
}

exports.TUILiveKitMain = TUILiveKitMain;
exports.default = TUILiveKitMain;