/**
 ******************************************************************************
 * Xenia : Xbox 360 Emulator Research Project                                 *
 ******************************************************************************
 * Copyright 2014 Ben Vanik. All rights reserved.                             *
 * Released under the BSD license - see LICENSE in the root for more details. *
 ******************************************************************************
 */

#ifndef XENIA_KERNEL_XBOXKRNL_APP_H_
#define XENIA_KERNEL_XBOXKRNL_APP_H_

#include <unordered_map>
#include <vector>

#include "xenia/memory.h"
#include "xenia/xbox.h"

namespace xe {
namespace kernel {

class KernelState;

class XApp {
 public:
  uint32_t app_id() const { return app_id_; }

  virtual X_RESULT DispatchMessageSync(uint32_t message, uint32_t buffer_ptr,
                                       uint32_t buffer_length) = 0;

 protected:
  XApp(KernelState* kernel_state, uint32_t app_id);

  KernelState* kernel_state_;
  Memory* memory_;
  uint32_t app_id_;
};

class XAppManager {
 public:
  void RegisterApp(std::unique_ptr<XApp> app);

  X_RESULT DispatchMessageSync(uint32_t app_id, uint32_t message,
                               uint32_t buffer_ptr, uint32_t buffer_length);
  X_RESULT DispatchMessageAsync(uint32_t app_id, uint32_t message,
                                uint32_t buffer_ptr, uint32_t buffer_length);

 private:
  std::vector<std::unique_ptr<XApp>> apps_;
  std::unordered_map<uint32_t, XApp*> app_lookup_;
};

}  // namespace kernel
}  // namespace xe

#endif  // XENIA_KERNEL_XBOXKRNL_APP_H_