event_handler.h

Go to the documentation of this file.

/*
 * SPDX-FileCopyrightText: 2025 Anna-Lena Marx <mail@marx.engineer>
 *
 * SPDX-License-Identifier: MPL-2.0
 */
 
#ifndef _EVENT_HANDLER_H_
#define _EVENT_HANDLER_H_
 
#include <stdint.h>
#include <zephyr/drivers/gpio.h>
#include <ui/context/context.h>


typedef enum
{
  APP_EVENT_NONE,
  APP_EVENT_EPUB_INIT,
  APP_EVENT_RESTORE_BOOK,
  APP_EVENT_BOOK_SELECTED,
  APP_EVENT_CHAPTER_SELECTED,
  APP_EVENT_PREV_CHAPTER,
  APP_EVENT_NEXT_CHAPTER,
  APP_EVENT_PREV_PAGE,
  APP_EVENT_NEXT_PAGE,
  APP_EVENT_SHOW_BOOKMENU,
  APP_EVENT_SHOW_CHAPTERMENU,
  APP_EVENT_SAVE_STATE,
  APP_EVENT_SHUTDOWN,
} application_event_t;

typedef struct
{
  application_event_t type;
  union
  {
    struct
    {
      uint32_t id;
    } selected;
    struct
    {
      context_t *context;
    } context;
    struct
    {
      const struct gpio_dt_spec *pin;
    } shutdown;
    struct
    {
      size_t scroll_pos;
    } save_state;
  } data;
} app_event_t;

void app_post_event(const app_event_t *event);

void app_events_init(void);

#endif /* _EVENT_HANDLER_H_ */