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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkAndroidRenderWindowInteractor.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkAndroidRenderWindowInteractor_h
#define vtkAndroidRenderWindowInteractor_h

#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkRenderWindowInteractor.h"

struct AInputEvent;

class VTKRENDERINGOPENGL2_EXPORT vtkAndroidRenderWindowInteractor : public vtkRenderWindowInteractor
{
public:
  static vtkAndroidRenderWindowInteractor *New();

  vtkTypeMacro(vtkAndroidRenderWindowInteractor,vtkRenderWindowInteractor);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void Initialize();


  virtual void Enable();
  virtual void Disable();

  void TerminateApp(void);


  static void SetClassExitMethod(void (*f)(void *), void *arg);
  static void SetClassExitMethodArgDelete(void (*f)(void *));

  virtual void ExitCallback();

  virtual void SetAndroidApplication(struct android_app *app)
    { this->AndroidApplication = app; };

  void HandleKeyEvent(bool down, int nChar, int metaState, int nRepCnt);


  void HandleMotionEvent(int action, int eventPointer, int numPtrs,
    int *xPtr, int *yPtr, int *idPtr, int metaState);

  const char *GetKeySym(int keyCode);

  void HandleCommand(int32_t cmd);
  int32_t HandleInput(AInputEvent* event);


protected:
  vtkAndroidRenderWindowInteractor();
  ~vtkAndroidRenderWindowInteractor();

  int     MouseInWindow;
  int     StartedMessageLoop;

  struct android_app *AndroidApplication;
  const char **KeyCodeToKeySymTable;

  bool Done;  // is the event loop done running


  static void (*ClassExitMethod)(void *);
  static void (*ClassExitMethodArgDelete)(void *);
  static void *ClassExitMethodArg;


  virtual int InternalCreateTimer(int timerId, int timerType, unsigned long duration);
  virtual int InternalDestroyTimer(int platformTimerId);

  virtual void StartEventLoop();

private:
  vtkAndroidRenderWindowInteractor(const vtkAndroidRenderWindowInteractor&);  // Not implemented.
  void operator=(const vtkAndroidRenderWindowInteractor&);  // Not implemented.
};

#endif