opt: horizontal preview

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart

@@ -44,8 +44,11 @@ class InteractiveviewerGallery<T> extends StatefulWidget {
     this.onPageChanged,
     this.onDismissed,
     this.setStatusBar,
+    this.onClose,
   });
 
+  final VoidCallback? onClose;
+
   final bool? setStatusBar;
 
   /// The sources to show.
@@ -222,6 +225,15 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
       ? '${widget.sources[index]}@${_quality}q.webp'.http2https
       : widget.sources[index].http2https;
 
+  void onClose() {
+    if (widget.onClose != null) {
+      widget.onClose!();
+    } else {
+      Get.back();
+      widget.onDismissed?.call(_pageController!.page!.floor());
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return Stack(
@@ -235,10 +247,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
           onNoBoundaryHit: _onNoBoundaryHit,
           maxScale: widget.maxScale,
           minScale: widget.minScale,
-          onDismissed: () {
-            Get.back();
-            widget.onDismissed?.call(_pageController!.page!.floor());
-          },
+          onDismissed: onClose,
           onReset: () {
             if (!_enablePageView) {
               setState(() {
@@ -255,7 +264,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
             itemBuilder: (BuildContext context, int index) {
               return GestureDetector(
                 behavior: HitTestBehavior.opaque,
-                onTap: Get.back,
+                onTap: onClose,
                 onDoubleTapDown: (TapDownDetails details) {
                   _doubleTapLocalPosition = details.localPosition;
                 },
@@ -301,10 +310,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
               children: [
                 IconButton(
                   icon: const Icon(Icons.close, color: Colors.white),
-                  onPressed: () {
-                    Get.back();
-                    widget.onDismissed?.call(_pageController!.page!.floor());
-                  },
+                  onPressed: onClose,
                 ),
                 widget.sources.length > 1
                     ? Text(
@@ -493,7 +499,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
                     Get.back();
                     DownloadUtils.downloadImg(
                       context,
-                      widget.sources as List<String>,
+                      widget.sources,
                     );
                   },
                   dense: true,

lib/pages/dynamics/detail/view.dart

@@ -2,7 +2,6 @@ import 'dart:async';
 import 'dart:math';
 
 import 'package:PiliPlus/common/widgets/custom_sliver_persistent_header_delegate.dart';
-import 'package:PiliPlus/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart';
 import 'package:PiliPlus/common/widgets/loading_widget.dart';
 import 'package:PiliPlus/common/widgets/refresh_indicator.dart';
 import 'package:PiliPlus/http/loading_state.dart';
@@ -61,17 +60,24 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
 
   get _getImageCallback => _horizontalPreview
       ? (imgList, index) {
-          _key.currentState?.showBottomSheet(
-            (context) {
-              return InteractiveviewerGallery(
-                sources: imgList,
-                initIndex: index,
-                setStatusBar: false,
-              );
+          final ctr = AnimationController(
+            vsync: this,
+            duration: const Duration(milliseconds: 200),
+          )..forward();
+          Utils.onHorizontalPreview(
+            _key,
+            AnimationController(
+              vsync: this,
+              duration: Duration.zero,
+            ),
+            ctr,
+            imgList,
+            index,
+            () async {
+              await ctr.reverse();
+              ctr.dispose();
+              Get.back();
             },
-            enableDrag: false,
-            elevation: 0,
-            backgroundColor: Colors.transparent,
           );
         }
       : null;

lib/pages/html/view.dart

@@ -2,7 +2,6 @@ import 'dart:math';
 
 import 'package:PiliPlus/common/widgets/article_content.dart';
 import 'package:PiliPlus/common/widgets/http_error.dart';
-import 'package:PiliPlus/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart';
 import 'package:PiliPlus/common/widgets/loading_widget.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/video/detail/reply/widgets/reply_item.dart';
@@ -54,17 +53,24 @@ class _HtmlRenderPageState extends State<HtmlRenderPage>
 
   get _getImageCallback => _horizontalPreview
       ? (imgList, index) {
-          _key.currentState?.showBottomSheet(
-            (context) {
-              return InteractiveviewerGallery(
-                sources: imgList,
-                initIndex: index,
-                setStatusBar: false,
-              );
+          final ctr = AnimationController(
+            vsync: this,
+            duration: const Duration(milliseconds: 200),
+          )..forward();
+          Utils.onHorizontalPreview(
+            _key,
+            AnimationController(
+              vsync: this,
+              duration: Duration.zero,
+            ),
+            ctr,
+            imgList,
+            index,
+            () async {
+              await ctr.reverse();
+              ctr.dispose();
+              Get.back();
             },
-            enableDrag: false,
-            elevation: 0,
-            backgroundColor: Colors.transparent,
           );
         }
       : null;

lib/pages/video/detail/reply_reply/view.dart

@@ -1,4 +1,3 @@
-import 'package:PiliPlus/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart';
 import 'package:PiliPlus/common/widgets/loading_widget.dart';
 import 'package:PiliPlus/common/widgets/refresh_indicator.dart';
 import 'package:PiliPlus/grpc/app/main/community/reply/v1/reply.pb.dart';
@@ -50,7 +49,8 @@ class VideoReplyReplyPanel extends StatefulWidget {
   State<VideoReplyReplyPanel> createState() => _VideoReplyReplyPanelState();
 }
 
-class _VideoReplyReplyPanelState extends State<VideoReplyReplyPanel> {
+class _VideoReplyReplyPanelState extends State<VideoReplyReplyPanel>
+    with SingleTickerProviderStateMixin {
   late VideoReplyReplyController _videoReplyReplyController;
   late final _savedReplies = {};
   late final itemPositionsListener = ItemPositionsListener.create();
@@ -280,17 +280,24 @@ class _VideoReplyReplyPanelState extends State<VideoReplyReplyPanel> {
 
   get _getImageCallback => _horizontalPreview
       ? (imgList, index) {
-          _key.currentState?.showBottomSheet(
-            (context) {
-              return InteractiveviewerGallery(
-                sources: imgList,
-                initIndex: index,
-                setStatusBar: false,
-              );
+          final ctr = AnimationController(
+            vsync: this,
+            duration: const Duration(milliseconds: 200),
+          )..forward();
+          Utils.onHorizontalPreview(
+            _key,
+            AnimationController(
+              vsync: this,
+              duration: Duration.zero,
+            ),
+            ctr,
+            imgList,
+            index,
+            () async {
+              await ctr.reverse();
+              ctr.dispose();
+              Get.back();
             },
-            enableDrag: false,
-            elevation: 0,
-            backgroundColor: Colors.transparent,
           );
         }
       : null;

lib/pages/video/detail/view.dart

@@ -4,7 +4,6 @@ import 'dart:math';
 
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/widgets/icon_button.dart';
-import 'package:PiliPlus/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart';
 import 'package:PiliPlus/common/widgets/list_sheet.dart';
 import 'package:PiliPlus/common/widgets/segment_progress_bar.dart';
 import 'package:PiliPlus/http/loading_state.dart';
@@ -1610,17 +1609,24 @@ class _VideoDetailPageState extends State<VideoDetailPage>
           onDismissed: videoDetailController.onDismissed,
           callback: _horizontalPreview
               ? (imgList, index) {
-                  videoDetailController.childKey.currentState?.showBottomSheet(
-                    (context) {
-                      return InteractiveviewerGallery(
-                        sources: imgList,
-                        initIndex: index,
-                        setStatusBar: false,
-                      );
+                  final ctr = AnimationController(
+                    vsync: this,
+                    duration: const Duration(milliseconds: 200),
+                  )..forward();
+                  Utils.onHorizontalPreview(
+                    videoDetailController.childKey,
+                    AnimationController(
+                      vsync: this,
+                      duration: Duration.zero,
+                    ),
+                    ctr,
+                    imgList,
+                    index,
+                    () async {
+                      await ctr.reverse();
+                      ctr.dispose();
+                      Get.back();
                     },
-                    enableDrag: false,
-                    elevation: 0,
-                    backgroundColor: Colors.transparent,
                   );
                 }
               : null,

lib/utils/utils.dart

@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'dart:io';
 import 'dart:math';
 import 'package:PiliPlus/build_config.dart';
+import 'package:PiliPlus/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart';
 import 'package:PiliPlus/grpc/app/main/community/reply/v1/reply.pb.dart';
 import 'package:PiliPlus/http/api.dart';
 import 'package:PiliPlus/http/constants.dart';
@@ -40,6 +41,28 @@ class Utils {
 
   static const channel = MethodChannel("PiliPlus");
 
+  static void onHorizontalPreview(GlobalKey<ScaffoldState> key,
+      transitionAnimationController, ctr, imgList, index, onClose) {
+    key.currentState?.showBottomSheet(
+      (context) {
+        return FadeTransition(
+          opacity: Tween<double>(begin: 0, end: 1).animate(ctr),
+          child: InteractiveviewerGallery(
+            sources: imgList,
+            initIndex: index,
+            setStatusBar: false,
+            onClose: onClose,
+          ),
+        );
+      },
+      enableDrag: false,
+      elevation: 0,
+      backgroundColor: Colors.transparent,
+      transitionAnimationController: transitionAnimationController,
+      sheetAnimationStyle: AnimationStyle(duration: Duration.zero),
+    );
+  }
+
   static void handleWebview(String url, {bool off = false}) {
     if (GStorage.openInBrowser) {
       launchURL(url);