2020-04-25 22:57:43 +00:00
|
|
|
import 'package:flutter/cupertino.dart';
|
2020-03-24 19:59:36 +00:00
|
|
|
import 'package:flutter/material.dart';
|
2020-05-06 16:43:03 +00:00
|
|
|
import 'package:like_button/like_button.dart';
|
2020-05-04 20:44:34 +00:00
|
|
|
import 'package:photos/core/cache/lru_map.dart';
|
2020-05-06 16:43:03 +00:00
|
|
|
import 'package:photos/favorite_photos_repository.dart';
|
2020-05-01 18:20:12 +00:00
|
|
|
import 'package:photos/models/photo.dart';
|
2020-05-04 20:08:20 +00:00
|
|
|
import 'package:photos/ui/extents_page_view.dart';
|
|
|
|
import 'package:photos/ui/zoomable_image.dart';
|
2020-05-01 18:20:12 +00:00
|
|
|
import 'package:photos/utils/share_util.dart';
|
2020-05-02 16:28:54 +00:00
|
|
|
import 'package:logging/logging.dart';
|
2020-03-24 19:59:36 +00:00
|
|
|
|
2020-04-17 08:17:37 +00:00
|
|
|
class DetailPage extends StatefulWidget {
|
|
|
|
final List<Photo> photos;
|
2020-04-18 14:10:31 +00:00
|
|
|
final int selectedIndex;
|
2020-03-24 19:59:36 +00:00
|
|
|
|
2020-04-27 11:57:40 +00:00
|
|
|
DetailPage(this.photos, this.selectedIndex, {key}) : super(key: key);
|
2020-04-17 08:17:37 +00:00
|
|
|
|
|
|
|
@override
|
|
|
|
_DetailPageState createState() => _DetailPageState();
|
|
|
|
}
|
|
|
|
|
|
|
|
class _DetailPageState extends State<DetailPage> {
|
2020-05-06 16:43:03 +00:00
|
|
|
final _logger = Logger("DetailPageState");
|
2020-04-17 08:17:37 +00:00
|
|
|
bool _shouldDisableScroll = false;
|
2020-04-25 22:57:43 +00:00
|
|
|
List<Photo> _photos;
|
2020-04-18 14:10:31 +00:00
|
|
|
int _selectedIndex = 0;
|
2020-04-25 22:57:43 +00:00
|
|
|
PageController _pageController;
|
|
|
|
LRUMap<int, ZoomableImage> _cachedImages;
|
2020-04-23 20:00:20 +00:00
|
|
|
|
2020-03-24 19:59:36 +00:00
|
|
|
@override
|
2020-04-25 22:57:43 +00:00
|
|
|
void initState() {
|
|
|
|
_photos = widget.photos;
|
2020-04-18 14:10:31 +00:00
|
|
|
_selectedIndex = widget.selectedIndex;
|
2020-04-25 22:57:43 +00:00
|
|
|
_cachedImages = LRUMap<int, ZoomableImage>(5);
|
|
|
|
super.initState();
|
|
|
|
}
|
2020-04-23 20:00:20 +00:00
|
|
|
|
2020-04-25 22:57:43 +00:00
|
|
|
@override
|
|
|
|
Widget build(BuildContext context) {
|
2020-05-06 16:43:03 +00:00
|
|
|
_logger.info("Opening " +
|
2020-04-27 15:28:03 +00:00
|
|
|
_photos[_selectedIndex].toString() +
|
|
|
|
". " +
|
2020-04-25 22:57:43 +00:00
|
|
|
_selectedIndex.toString() +
|
|
|
|
" / " +
|
|
|
|
_photos.length.toString() +
|
2020-04-27 13:02:29 +00:00
|
|
|
" photos .");
|
2020-03-24 19:59:36 +00:00
|
|
|
return Scaffold(
|
2020-04-23 20:00:20 +00:00
|
|
|
appBar: _buildAppBar(),
|
2020-03-24 19:59:36 +00:00
|
|
|
body: Center(
|
|
|
|
child: Container(
|
2020-04-25 22:57:43 +00:00
|
|
|
child: _buildPageView(),
|
2020-03-24 19:59:36 +00:00
|
|
|
),
|
|
|
|
),
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2020-04-27 11:57:40 +00:00
|
|
|
Widget _buildPageView() {
|
2020-04-25 22:57:43 +00:00
|
|
|
_pageController = PageController(initialPage: _selectedIndex);
|
2020-04-27 11:57:40 +00:00
|
|
|
return ExtentsPageView.extents(
|
2020-04-25 22:57:43 +00:00
|
|
|
itemBuilder: (context, index) {
|
|
|
|
final photo = _photos[index];
|
|
|
|
if (_cachedImages.get(photo.generatedId) != null) {
|
|
|
|
return _cachedImages.get(photo.generatedId);
|
|
|
|
}
|
|
|
|
final image = ZoomableImage(
|
|
|
|
photo,
|
|
|
|
shouldDisableScroll: (value) {
|
|
|
|
setState(() {
|
|
|
|
_shouldDisableScroll = value;
|
|
|
|
});
|
|
|
|
},
|
|
|
|
);
|
|
|
|
_cachedImages.put(photo.generatedId, image);
|
|
|
|
return image;
|
|
|
|
},
|
2020-05-05 20:44:31 +00:00
|
|
|
extents: 1,
|
2020-04-25 22:57:43 +00:00
|
|
|
onPageChanged: (int index) {
|
2020-05-06 16:43:03 +00:00
|
|
|
setState(() {
|
|
|
|
_selectedIndex = index;
|
|
|
|
});
|
2020-04-25 22:57:43 +00:00
|
|
|
},
|
|
|
|
physics: _shouldDisableScroll
|
|
|
|
? NeverScrollableScrollPhysics()
|
|
|
|
: PageScrollPhysics(),
|
|
|
|
controller: _pageController,
|
|
|
|
itemCount: _photos.length,
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2020-04-23 20:00:20 +00:00
|
|
|
AppBar _buildAppBar() {
|
2020-05-25 16:05:06 +00:00
|
|
|
final actions = List<Widget>();
|
2020-05-25 16:06:52 +00:00
|
|
|
if (_photos[_selectedIndex].localId != null) {
|
2020-05-25 16:05:06 +00:00
|
|
|
actions.add(_getFavoriteButton());
|
|
|
|
}
|
|
|
|
actions.add(IconButton(
|
|
|
|
icon: Icon(Icons.share),
|
|
|
|
onPressed: () async {
|
|
|
|
share(_photos[_selectedIndex]);
|
|
|
|
},
|
|
|
|
));
|
2020-04-23 20:00:20 +00:00
|
|
|
return AppBar(
|
2020-05-25 16:05:06 +00:00
|
|
|
actions: actions,
|
2020-04-23 20:00:20 +00:00
|
|
|
);
|
|
|
|
}
|
2020-05-06 16:43:03 +00:00
|
|
|
|
|
|
|
Widget _getFavoriteButton() {
|
|
|
|
final photo = _photos[_selectedIndex];
|
|
|
|
return LikeButton(
|
|
|
|
isLiked: FavoritePhotosRepository.instance.isLiked(photo),
|
|
|
|
onTap: (oldValue) {
|
|
|
|
return FavoritePhotosRepository.instance.setLiked(photo, !oldValue);
|
|
|
|
},
|
|
|
|
);
|
|
|
|
}
|
2020-04-23 20:00:20 +00:00
|
|
|
}
|