display_power_interface.h

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#pragma once
 
// system includes
#include <chrono>
#include <memory>
#include <string>
 
namespace display_device {
  class DisplayPowerGuardInterface {
  public:
    virtual ~DisplayPowerGuardInterface() = default;
  };
 
  class DisplayPowerInterface {
  public:
    virtual ~DisplayPowerInterface() = default;
 
    [[nodiscard]] virtual bool wakeDisplay(const std::string &display_name, std::chrono::milliseconds timeout) = 0;
 
    [[nodiscard]] virtual std::unique_ptr<DisplayPowerGuardInterface> keepDisplayAwake(const std::string &reason) = 0;
  };
}  // namespace display_device