app_manager.h

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#pragma once
 
#include <cstddef>
#include <memory>
#include <unordered_map>
#include <vector>
#include <format>
#include <string>
#include <filesystem>
#include <optional>
#include <string_view>
#include <functional>
#include <span>
 
#include <rex/platform.h>
#include <rex/types.h>
#include <rex/memory.h>
#include <rex/memory/mapped_ptr.h>
#include <rex/xam/title_lifecycle.h>
#include <rex/kernel/types/status.h>
#include <rex/memory/stream.h>
#include <rex/kernel/types/content.h>
#include <rex/result.h>
#include <rex/filesystem/xdbf.h>
#include <rex/utility.h>
#include <rex/title.h>
 
namespace rex::xam {

class REX_XAM_API XAMApplet {
 public:
  u32 GetAppID() const { return app_id_; }

  virtual rex::kernel::X_HRESULT DispatchMessageSync(u32 message, u32 buffer_ptr,
                                                     u32 buffer_length) = 0;
 
  virtual ~XAMApplet() = default;
 
 protected:
  XAMApplet(const XAMKernelInterfaces& title, u32 app_id);
 
  XAMKernelInterfaces title_;
  rex::memory::GuestMembase membase_;
  u32 app_id_;
};
 
class AppManager {
 public:
  REX_XAM_API void RegisterApp(std::unique_ptr<XAMApplet> app);

  REX_XAM_API rex::kernel::X_HRESULT DispatchMessageSync(u32 app_id, u32 message, u32 buffer_ptr,
                                                         u32 buffer_length);
  REX_XAM_API rex::kernel::X_HRESULT DispatchMessageAsync(u32 app_id, u32 message, u32 buffer_ptr,
                                                          u32 buffer_length);
 
 private:
  std::vector<std::unique_ptr<XAMApplet>> apps_;
  std::unordered_map<u32, XAMApplet*> app_lookup_;
};
 
}  // namespace rex::xam