1.0.25+25

- preload adjacent media

lib/screens/DetailView.dart

@@ -5,6 +5,7 @@ import 'package:f0ckapp/services/Api.dart';
 import 'package:f0ckapp/widgets/VideoWidget.dart';
 import 'package:f0ckapp/utils/SmartRefreshIndicator.dart';
 import 'package:f0ckapp/utils/PageTransformer.dart';
+import 'package:flutter_cache_manager/flutter_cache_manager.dart';
 
 class DetailView extends StatefulWidget {
   final int initialItemId;
@@ -46,18 +47,42 @@ class _DetailViewState extends State<DetailView> {
     _pageController = PageController(initialPage: initialIndex);
     currentItemId = mediaItems[initialIndex].id;
 
-    _pageController.addListener(_onPageScroll);
+    int? lastLoadedIndex;
+    _pageController.addListener(() async {
+      final newIndex = _pageController.page?.round();
+      if (newIndex != null &&
+          newIndex < mediaItems.length &&
+          newIndex != lastLoadedIndex) {
+        setState(() => currentItemId = mediaItems[newIndex].id);
+        lastLoadedIndex = newIndex;
+
+        _preloadAdjacentMedia(newIndex);
+      }
+
+      if (_pageController.position.pixels >=
+          _pageController.position.maxScrollExtent - 100) {
+        _loadMoreMedia();
+      }
+    });
+
+    _preloadAdjacentMedia(initialIndex);
   }
 
-  void _onPageScroll() {
-    final newIndex = _pageController.page?.round();
-    if (newIndex != null && newIndex < mediaItems.length) {
-      setState(() => currentItemId = mediaItems[newIndex].id);
+  void _preloadAdjacentMedia(int index) async {
+    if (index + 1 < mediaItems.length) {
+      final nextUrl = mediaItems[index + 1].mediaUrl;
+      if (await DefaultCacheManager().getFileFromCache(nextUrl) == null) {
+        await DefaultCacheManager().downloadFile(nextUrl);
+        print('preload ${mediaItems[index + 1].id}');
+      }
     }
 
-    if (_pageController.position.pixels >=
-        _pageController.position.maxScrollExtent - 100) {
-      _loadMoreMedia();
+    if (index - 1 >= 0) {
+      final prevUrl = mediaItems[index - 1].mediaUrl;
+      if (await DefaultCacheManager().getFileFromCache(prevUrl) == null) {
+        await DefaultCacheManager().downloadFile(prevUrl);
+        print('preload ${mediaItems[index - 1].id}');
+      }
     }
   }
 
@@ -120,11 +145,12 @@ class _DetailViewState extends State<DetailView> {
           PageTransformer(
             controller: _pageController,
             pages: mediaItems.map((item) {
+              final isActive = item.id == currentItemId;
               return Scaffold(
                 body: SafeArea(
                   child: SmartRefreshIndicator(
                     onRefresh: _refreshMediaItem,
-                    child: _buildMediaItem(item),
+                    child: _buildMediaItem(item, isActive),
                   ),
                 ),
               );
@@ -169,7 +195,7 @@ class _DetailViewState extends State<DetailView> {
     );
   }
 
-  Widget _buildMediaItem(MediaItem item) {
+  Widget _buildMediaItem(MediaItem item, bool isActive) {
     return SingleChildScrollView(
       child: Column(
         mainAxisAlignment: MainAxisAlignment.center,
@@ -182,7 +208,7 @@ class _DetailViewState extends State<DetailView> {
               errorWidget: (context, url, error) => Icon(Icons.error),
             )
           else
-            VideoWidget(details: item),
+            VideoWidget(details: item, isActive: isActive),
           const SizedBox(height: 20),
           Text(
             item.mime,

lib/screens/MediaGrid.dart

@@ -14,7 +14,7 @@ class MediaGrid extends StatefulWidget {
 
 class _MediaGridState extends State<MediaGrid> {
   final ScrollController _scrollController = ScrollController();
-  final String _version = '1.0.24+24';
+  final String _version = '1.0.25+25';
   List<MediaItem> mediaItems = [];
   bool isLoading = false;
   Timer? _debounceTimer;