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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <queue>
#include "common/swap.h"
#include "core/hle/kernel/kernel.h"
union ResultCode;
namespace Kernel {
class ReadableEvent;
class WritableEvent;
} // namespace Kernel
namespace Service::AM {
class IStorage;
namespace Applets {
class AppletDataBroker final {
public:
AppletDataBroker();
~AppletDataBroker();
std::unique_ptr<IStorage> PopNormalDataToGame();
std::unique_ptr<IStorage> PopNormalDataToApplet();
std::unique_ptr<IStorage> PopInteractiveDataToGame();
std::unique_ptr<IStorage> PopInteractiveDataToApplet();
void PushNormalDataFromGame(IStorage storage);
void PushNormalDataFromApplet(IStorage storage);
void PushInteractiveDataFromGame(IStorage storage);
void PushInteractiveDataFromApplet(IStorage storage);
void SignalStateChanged() const;
Kernel::SharedPtr<Kernel::ReadableEvent> GetNormalDataEvent() const;
Kernel::SharedPtr<Kernel::ReadableEvent> GetInteractiveDataEvent() const;
Kernel::SharedPtr<Kernel::ReadableEvent> GetStateChangedEvent() const;
private:
// Queues are named from applet's perspective
// PopNormalDataToApplet and PushNormalDataFromGame
std::queue<std::unique_ptr<IStorage>> in_channel;
// PopNormalDataToGame and PushNormalDataFromApplet
std::queue<std::unique_ptr<IStorage>> out_channel;
// PopInteractiveDataToApplet and PushInteractiveDataFromGame
std::queue<std::unique_ptr<IStorage>> in_interactive_channel;
// PopInteractiveDataToGame and PushInteractiveDataFromApplet
std::queue<std::unique_ptr<IStorage>> out_interactive_channel;
Kernel::EventPair state_changed_event;
// Signaled on PushNormalDataFromApplet
Kernel::EventPair pop_out_data_event;
// Signaled on PushInteractiveDataFromApplet
Kernel::EventPair pop_interactive_out_data_event;
};
class Applet {
public:
Applet();
virtual ~Applet();
virtual void Initialize();
virtual bool TransactionComplete() const = 0;
virtual ResultCode GetStatus() const = 0;
virtual void ExecuteInteractive() = 0;
virtual void Execute() = 0;
bool IsInitialized() const {
return initialized;
}
AppletDataBroker& GetBroker() {
return broker;
}
const AppletDataBroker& GetBroker() const {
return broker;
}
protected:
struct CommonArguments {
u32_le arguments_version;
u32_le size;
u32_le library_version;
u32_le theme_color;
u8 play_startup_sound;
u64_le system_tick;
};
static_assert(sizeof(CommonArguments) == 0x20, "CommonArguments has incorrect size.");
CommonArguments common_args{};
AppletDataBroker broker;
bool initialized = false;
};
} // namespace Applets
} // namespace Service::AM
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