refactor: 重构项目后端

- 移除 .npmrc 中的镜像配置
- 移除 package.json 中未使用的依赖
- 大幅重构后端代码

src/main/CaptionWindow.ts

@@ -0,0 +1,93 @@
+import { shell, BrowserWindow, ipcMain } from 'electron'
+import path from 'path'
+import { is } from '@electron-toolkit/utils'
+import icon from '../../resources/icon.png?asset'
+import { controlWindow } from './ControlWindow'
+import { allConfig } from './utils/AllConfig'
+
+class CaptionWindow {
+  window: BrowserWindow | undefined;
+
+  public createWindow(): void {
+    this.window = new BrowserWindow({
+      icon: icon,
+      width: 900,
+      height: 100,
+      minWidth: 480,
+      show: false,
+      frame: false,
+      transparent: true,
+      alwaysOnTop: true,
+      center: true,
+      autoHideMenuBar: true,
+      ...(process.platform === 'linux' ? { icon } : {}),
+      webPreferences: {
+        preload: path.join(__dirname, '../preload/index.js'),
+        sandbox: false
+      }
+    })
+
+    setTimeout(() => {
+      if (this.window) {
+        allConfig.sendStyles(this.window);
+        allConfig.sendCaptionLog(this.window, 'set');
+      }
+    }, 1000);
+
+    this.window.on('ready-to-show', () => {
+      this.window?.show()
+    })
+
+    this.window.on('closed', () => {
+      this.window = undefined
+    })
+
+    this.window.webContents.setWindowOpenHandler((details) => {
+      shell.openExternal(details.url)
+      return { action: 'deny' }
+    })
+
+    if (is.dev && process.env['ELECTRON_RENDERER_URL']) {
+      this.window.loadURL(`${process.env['ELECTRON_RENDERER_URL']}/#/caption`)
+    } else {
+      this.window.loadFile(path.join(__dirname, '../renderer/index.html'), {
+        hash: 'caption'
+      })
+    }
+  }
+
+  public handleMessage() {
+    // 激活控制窗口
+    ipcMain.on('caption.controlWindow.activate', () => {
+      if(!controlWindow.window){
+        controlWindow.createWindow()
+      }
+      else {
+        controlWindow.window.show()
+      }
+    })
+
+    // 字幕窗口高度发生变化
+    ipcMain.on('caption.windowHeight.change', (_, height) => {
+      if(this.window){
+        this.window.setSize(this.window.getSize()[0], height)
+      }
+    })
+
+    // 关闭字幕窗口
+    ipcMain.on('caption.window.close', () => {
+      if(this.window){
+        this.window.close()
+      }
+    })
+
+    // 是否固定在最前面
+    ipcMain.on('caption.pin.set', (_, pinned) => {
+      if(this.window){
+        this.window.setAlwaysOnTop(pinned)
+      }
+    })
+  }
+}
+
+export const captionWindow = new CaptionWindow()