Recording: red icon, live duration display, save dialog with editable filename

Sources/MiniPlayerApp.swift

@@ -325,8 +325,21 @@ struct ControlToolbar: View {
             // 按钮行
             HStack(spacing: 10) {
                 // 录制（放最前面，更显眼）
-                TB(icon: bridge.screenRecorder.isRecording ? "stop.circle.fill" : "record.circle") {
+                if bridge.screenRecorder.isRecording {
-                    bridge.toggleRecording(); onTouch()
+                    HStack(spacing: 4) {
+                        Image(systemName: "stop.circle.fill")
+                            .foregroundColor(.red)
+                            .font(.system(size: 18))
+                        Text(bridge.screenRecorder.durationText)
+                            .font(.system(size: 12, design: .monospaced))
+                            .foregroundColor(.red)
+                    }
+                    .contentShape(Rectangle())
+                    .onTapGesture { bridge.toggleRecording(); onTouch() }
+                } else {
+                    TB(icon: "record.circle") {
+                        bridge.toggleRecording(); onTouch()
+                    }
                 }
                 
                 Divider().frame(height: 20).padding(.horizontal, 4)

Sources/PlayerBridge.swift

@@ -100,7 +100,7 @@ final class PlayerBridge: ObservableObject {
         setupEndObserver()
         
         #if os(macOS)
-        screenRecorder.onRecordingStopped = { [weak self] url in
+        screenRecorder.onRecordingSaved = { [weak self] url in
             self?.showToast("Saved: \(url.lastPathComponent)")
         }
         screenRecorder.onError = { [weak self] msg in

Sources/ScreenRecorder.swift

@@ -9,9 +9,13 @@ final class ScreenRecorder: NSObject, AVCaptureFileOutputRecordingDelegate {
     private var session: AVCaptureSession?
     private var fileOutput: AVCaptureMovieFileOutput?
     private var isConfigured = false
+    private var timer: Timer?
+    private var startDate: Date?
     
     @Published var isRecording = false
-    var onRecordingStopped: ((URL) -> Void)?
+    @Published var durationText = "00:00"
+    
+    var onRecordingSaved: ((URL) -> Void)?
     var onError: ((String) -> Void)?
     
     /// 保存目录
@@ -51,12 +55,66 @@ final class ScreenRecorder: NSObject, AVCaptureFileOutputRecordingDelegate {
         fileOutput.startRecording(to: outputURL, recordingDelegate: self)
     }
     
-    /// 停止录制
+    /// 停止录制 → 弹出保存对话框
     func stopRecording() {
         guard isRecording, let fileOutput = fileOutput else { return }
         fileOutput.stopRecording()
     }
     
+    private func startTimer() {
+        startDate = Date()
+        durationText = "00:00"
+        timer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { [weak self] _ in
+            Task { @MainActor in
+                guard let self = self, let start = self.startDate else { return }
+                let elapsed = Int(Date().timeIntervalSince(start))
+                let m = elapsed / 60
+                let s = elapsed % 60
+                let h = m / 60
+                if h > 0 {
+                    self.durationText = String(format: "%d:%02d:%02d", h, m % 60, s)
+                } else {
+                    self.durationText = String(format: "%02d:%02d", m, s)
+                }
+            }
+        }
+    }
+    
+    private func stopTimer() {
+        timer?.invalidate()
+        timer = nil
+        startDate = nil
+        durationText = "00:00"
+    }
+    
+    /// 弹出保存对话框
+    private func showSaveDialog(tempURL: URL) {
+        let panel = NSSavePanel()
+        panel.nameFieldStringValue = tempURL.lastPathComponent
+        panel.allowedContentTypes = [.mpeg4Movie]
+        panel.directoryURL = saveDirectory
+        panel.title = "Save Recording"
+        
+        panel.begin { [weak self] response in
+            guard let self = self else { return }
+            if response == .OK, let destURL = panel.url {
+                do {
+                    // 如果目标已存在先删除
+                    if FileManager.default.fileExists(atPath: destURL.path) {
+                        try FileManager.default.removeItem(at: destURL)
+                    }
+                    try FileManager.default.moveItem(at: tempURL, to: destURL)
+                    self.onRecordingSaved?(destURL)
+                } catch {
+                    self.onError?("Save failed: \(error.localizedDescription)")
+                }
+            } else {
+                // 用户取消 → 删除临时文件
+                try? FileManager.default.removeItem(at: tempURL)
+            }
+        }
+    }
+    
     private func configureSession() -> Bool {
         let session = AVCaptureSession()
         session.sessionPreset = .hd1920x1080
@@ -89,7 +147,6 @@ final class ScreenRecorder: NSObject, AVCaptureFileOutputRecordingDelegate {
                 session.addInput(audioInput)
             }
         }
-        // 没有麦克风也能录制（只有画面）
         
         // 文件输出
         let output = AVCaptureMovieFileOutput()
@@ -103,8 +160,7 @@ final class ScreenRecorder: NSObject, AVCaptureFileOutputRecordingDelegate {
         self.session = session
         self.fileOutput = output
         
-        // 请求屏幕录制权限（macOS 10.15+）
+        // 请求屏幕录制权限
-        // CGRequestScreenCaptureAccess 在首次调用时触发权限弹窗
         #if canImport(ScreenCaptureKit)
         if !CGPreflightScreenCaptureAccess() {
             CGRequestScreenCaptureAccess()
@@ -118,18 +174,19 @@ final class ScreenRecorder: NSObject, AVCaptureFileOutputRecordingDelegate {
     nonisolated func fileOutputRecordingDidStart(_ output: AVCaptureFileOutput) {
         Task { @MainActor in
             self.isRecording = true
+            self.startTimer()
         }
     }
     
     nonisolated func fileOutput(_ output: AVCaptureFileOutput, didFinishRecordingTo outputFileURL: URL, from connections: [AVCaptureConnection], error: Error?) {
         Task { @MainActor in
             self.isRecording = false
+            self.stopTimer()
             if let error = error {
                 self.onError?("Recording failed: \(error.localizedDescription)")
             } else {
-                self.onRecordingStopped?(outputFileURL)
+                self.showSaveDialog(tempURL: outputFileURL)
             }
-            // 停止 session 释放资源
             self.session?.stopRunning()
         }
     }