import 'dart:async';

import 'package:aves/model/entry.dart';
import 'package:aves/model/multipage.dart';
import 'package:aves/services/metadata_service.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';

class MultiPageController extends ChangeNotifier {
  final Future<MultiPageInfo> info;
  final ValueNotifier<int> pageNotifier = ValueNotifier(0);

  MultiPageController(AvesEntry entry) : info = MetadataService.getMultiPageInfo(entry);

  int get page => pageNotifier.value;

  set page(int page) => pageNotifier.value = page;

  @override
  void dispose() {
    pageNotifier.dispose();
    super.dispose();
  }
}