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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "core/hle/result.h"
#include "core/hle/service/apt/apt.h"
namespace HLE {
namespace Applets {
class Applet {
public:
virtual ~Applet() = default;
/**
* Creates an instance of the Applet subclass identified by the parameter.
* and stores it in a global map.
* @param id Id of the applet to create.
* @returns ResultCode Whether the operation was successful or not.
*/
static ResultCode Create(Service::APT::AppletId id);
/**
* Retrieves the Applet instance identified by the specified id.
* @param id Id of the Applet to retrieve.
* @returns Requested Applet or nullptr if not found.
*/
static std::shared_ptr<Applet> Get(Service::APT::AppletId id);
/**
* Handles a parameter from the application.
* @param parameter Parameter data to handle.
* @returns ResultCode Whether the operation was successful or not.
*/
virtual ResultCode ReceiveParameter(const Service::APT::MessageParameter& parameter) = 0;
/**
* Handles the Applet start event, triggered from the application.
* @param parameter Parameter data to handle.
* @returns ResultCode Whether the operation was successful or not.
*/
ResultCode Start(const Service::APT::AppletStartupParameter& parameter);
/**
* Whether the applet is currently executing instead of the host application or not.
*/
bool IsRunning() const;
/**
* Handles an update tick for the Applet, lets it update the screen, send commands, etc.
*/
virtual void Update() = 0;
protected:
explicit Applet(Service::APT::AppletId id) : id(id) {}
/**
* Handles the Applet start event, triggered from the application.
* @param parameter Parameter data to handle.
* @returns ResultCode Whether the operation was successful or not.
*/
virtual ResultCode StartImpl(const Service::APT::AppletStartupParameter& parameter) = 0;
Service::APT::AppletId id; ///< Id of this Applet
std::shared_ptr<std::vector<u8>> heap_memory; ///< Heap memory for this Applet
/// Whether this applet is currently running instead of the host application or not.
bool is_running = false;
};
/// Returns whether a library applet is currently running
bool IsLibraryAppletRunning();
/// Initializes the HLE applets
void Init();
/// Shuts down the HLE applets
void Shutdown();
}
} // namespace
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