settings_manager.h

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#pragma once
 
// system includes
#include <memory>
 
// local includes
#include "display_device/audio_context_interface.h"
#include "display_device/settings_manager_interface.h"
#include "display_device/windows/win_display_device_interface.h"
#include "persistent_state.h"
 
namespace display_device {
  class SettingsManager: public SettingsManagerInterface {
  public:
    explicit SettingsManager(
      std::shared_ptr<WinDisplayDeviceInterface> dd_api,
      std::shared_ptr<AudioContextInterface> audio_context_api,
      std::unique_ptr<PersistentState> persistent_state,
      WinWorkarounds workarounds
    );
 
    [[nodiscard]] EnumeratedDeviceList enumAvailableDevices() const override;
 
    [[nodiscard]] std::string getDisplayName(const std::string &device_id) const override;
 
    [[nodiscard]] ApplyResult applySettings(const SingleDisplayConfiguration &config) override;
 
    [[nodiscard]] RevertResult revertSettings() override;
 
    [[nodiscard]] bool resetPersistence() override;
 
  protected:
    [[nodiscard]] std::optional<std::tuple<SingleDisplayConfigState, std::string, std::set<std::string>>> prepareTopology(const SingleDisplayConfiguration &config, const ActiveTopology &topology_before_changes, bool &release_context, bool &system_settings_touched);
 
    [[nodiscard]] bool preparePrimaryDevice(const SingleDisplayConfiguration &config, const std::string &device_to_configure, DdGuardFn &guard_fn, SingleDisplayConfigState &new_state, bool &system_settings_touched);
 
    [[nodiscard]] bool prepareDisplayModes(const SingleDisplayConfiguration &config, const std::string &device_to_configure, const std::set<std::string> &additional_devices_to_configure, DdGuardFn &guard_fn, SingleDisplayConfigState &new_state, bool &system_settings_touched);
 
    [[nodiscard]] bool prepareHdrStates(const SingleDisplayConfiguration &config, const std::string &device_to_configure, const std::set<std::string> &additional_devices_to_configure, DdGuardFn &guard_fn, SingleDisplayConfigState &new_state, bool &system_settings_touched);
 
    [[nodiscard]] RevertResult revertModifiedSettings(const ActiveTopology &current_topology, bool &system_settings_touched, bool *switched_topology = nullptr);
 
    std::shared_ptr<WinDisplayDeviceInterface> m_dd_api;
    std::shared_ptr<AudioContextInterface> m_audio_context_api;
    std::unique_ptr<PersistentState> m_persistence_state;
    WinWorkarounds m_workarounds;
  };
}  // namespace display_device