/
stories_page.dart
60 lines (49 loc) · 1.56 KB
/
stories_page.dart
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import 'dart:async';
import 'package:flews/hackernews/stories_repository.dart';
import 'package:flews/hackernews/stories_tile.dart';
import 'package:flews/hackernews/story.dart';
import 'package:flews/util.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart';
class StoriesPage extends StatefulWidget {
static const String routeName = "/stories";
StoriesPage({Key key}) : super(key: key);
@override
_StoriesPageState createState() =>
_StoriesPageState(StoriesRepositoryImpl(Client()));
}
class _StoriesPageState extends State<StoriesPage> {
StoriesRepository _repository;
List<Story> _stories = [];
_StoriesPageState(this._repository);
@override
void initState() {
super.initState();
loadStories();
}
@override
Widget build(BuildContext context) {
final storyListTiles = _stories.map((story) {
return StoryListTile(story, () => UrlLauncher.launchUrl(story.url));
}).toList();
return RefreshIndicator(
child: AnimatedCrossFade(
firstChild: Center(child: CircularProgressIndicator()),
secondChild: ListView(children: storyListTiles),
crossFadeState: _stories.isEmpty
? CrossFadeState.showFirst
: CrossFadeState.showSecond,
duration: Duration(milliseconds: 200)),
onRefresh: _onRefresh);
}
Future _onRefresh() {
return Future(loadStories);
}
void loadStories() {
_repository.getTopStories().listen((List<Story> stories) {
setState(() {
_stories = stories;
});
});
}
}