display_device::PersistentState Class Reference

A simple wrapper around the SettingsPersistenceInterface and cached local state to keep them in sync. More...

#include <src/windows/include/display_device/windows/persistent_state.h>

Public Member Functions
const std::optional< SingleDisplayConfigState > &	getState () const
	Get cached state.
	PersistentState (std::shared_ptr< SettingsPersistenceInterface > settings_persistence_api, bool throw_on_load_error=false)
bool	persistState (const std::optional< SingleDisplayConfigState > &state)
	Store the new state via the interface and cache it.

Protected Attributes
std::shared_ptr< SettingsPersistenceInterface >	m_settings_persistence_api

Detailed Description

A simple wrapper around the SettingsPersistenceInterface and cached local state to keep them in sync.

Constructor & Destructor Documentation

PersistentState()

display_device::PersistentState::PersistentState ( std::shared_ptr< SettingsPersistenceInterface > settings_persistence_api, bool throw_on_load_error = false )

explicit

Default constructor for the class.

Parameters

settings_persistence_api	[Optional] A pointer to the Settings Persistence interface.
throw_on_load_error	Specify whether to throw exception in constructor in case settings fail to load.

Member Function Documentation

getState()

const std::optional< SingleDisplayConfigState > & display_device::PersistentState::getState ( ) const

nodiscard

Get cached state.

Returns

Cached state

persistState()

bool display_device::PersistentState::persistState ( const std::optional< SingleDisplayConfigState > & state )

nodiscard

Store the new state via the interface and cache it.

Parameters

state

New state to be set.

Returns

True if the state was succesfully updated, false otherwise.

---

The documentation for this class was generated from the following files:

• src/windows/include/display_device/windows/persistent_state.h
• src/windows/persistent_state.cpp