[fix] scope sleep inhibition to active screen sharing, refs #123

apps/desktop/src/gui/features/devices/screen_sharing_power.h

@@ -0,0 +1,33 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-10-24
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SCREEN_SHARING_POWER_H_
+#define _SCREEN_SHARING_POWER_H_
+
+#include <memory>
+
+namespace crossdesk {
+
+// Owns temporary display/system idle-sleep inhibitors for the shared capture
+// source. Call on the UI thread; repeated updates do not acquire extra requests.
+class ScreenSharingPower {
+ public:
+  ScreenSharingPower();
+  ~ScreenSharingPower();
+  ScreenSharingPower(const ScreenSharingPower&) = delete;
+  ScreenSharingPower& operator=(const ScreenSharingPower&) = delete;
+
+  void SetSharing(bool sharing);
+
+ private:
+  struct Impl;
+  std::unique_ptr<Impl> impl_;
+  bool sharing_ = false;
+};
+
+}  // namespace crossdesk
+
+#endif