Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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map/power_management/power_manager.hpp

@@ -0,0 +1,61 @@
+#pragma once
+
+#include "map/power_management/power_management_schemas.hpp"
+
+#include "platform/battery_tracker.hpp"
+
+#include "base/visitor.hpp"
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace power_management
+{
+// Note: this class is NOT thread-safe.
+class PowerManager : public platform::BatteryLevelTracker::Subscriber
+{
+public:
+  class Subscriber
+  {
+  public:
+    virtual void OnPowerFacilityChanged(Facility const facility, bool enabled) = 0;
+    virtual void OnPowerSchemeChanged(Scheme const actualScheme) = 0;
+  protected:
+    virtual ~Subscriber() = default;
+  };
+
+  static std::string GetConfigPath();
+
+  void Load();
+  // Set some facility state manually, it turns current scheme to Scheme::None.
+  void SetFacility(Facility const facility, bool enabled);
+  void SetScheme(Scheme const scheme);
+  bool IsFacilityEnabled(Facility const facility) const;
+  FacilitiesState const & GetFacilities() const;
+  Scheme const & GetScheme() const;
+
+  // BatteryLevelTracker::Subscriber overrides:
+  void OnBatteryLevelReceived(uint8_t level) override;
+
+  void Subscribe(Subscriber * subscriber);
+  void UnsubscribeAll();
+
+private:
+  struct Config
+  {
+    DECLARE_VISITOR(visitor(m_facilities, "current_state"), visitor(m_scheme, "scheme"))
+
+    Config() { m_facilities.fill(true); }
+
+    FacilitiesState m_facilities;
+    Scheme m_scheme = Scheme::Normal;
+  };
+
+  bool Save();
+
+  std::vector<Subscriber *> m_subscribers;
+
+  Config m_config;
+};
+}  // namespace power_management