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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include "core/loader/loader.h"
class EmuWindow;
namespace Core {
class System {
public:
struct State {
std::unique_ptr<Loader::AppLoader> app_loader;
};
/**
* Gets the instance of the System singleton class.
* @returns Reference to the instance of the System singleton class.
*/
static System& GetInstance() {
return s_instance;
}
/// Enumeration representing the return values of the System Initialize and Load process.
enum class ResultStatus : u32 {
Success, ///< Succeeded
ErrorGetLoader, ///< Error finding the correct application loader
ErrorSystemMode, ///< Error determining the system mode
ErrorLoader, ///< Error loading the specified application
ErrorLoader_ErrorEncrypted, ///< Error loading the specified application due to encryption
ErrorLoader_ErrorInvalidFormat, ///< Error loading the specified application due to an invalid format
ErrorVideoCore, ///< Error in the video core
};
/**
* Initialize the emulated system.
* @param emu_window Pointer to the host-system window used for video output and keyboard input.
* @param system_mode The system mode.
* @returns ResultStatus code, indicating if the operation succeeded.
*/
ResultStatus Init(EmuWindow* emu_window, u32 system_mode);
/// Shutdown the emulated system.
void Shutdown();
/**
* Load an executable application.
* @param emu_window Pointer to the host-system window used for video output and keyboard input.
* @param filepath String path to the executable application to load on the host file system.
* @returns ResultStatus code, indicating if the operation succeeded.
*/
ResultStatus Load(EmuWindow* emu_window, const std::string& filepath);
/**
* Indicates if the emulated system is powered on (all subsystems initialized and able to run an
* application).
* @returns True if the emulated system is powered on, otherwise false.
*/
bool IsPoweredOn() const {
return is_powered_on;
}
/**
* Gets the internal state of the emulated system.
* @returns The internal state of the emulated system
*/
State& GetState() {
return state;
}
private:
bool is_powered_on{};
State state;
static System s_instance;
};
} // namespace Core
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