opt anim

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

lib/common/widgets/image_viewer/hero.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/widgets.dart';
+
+Widget fromHero({
+  required Object tag,
+  required Widget child,
+}) => Hero(
+  tag: tag,
+  createRectTween: createEndRectTween,
+  child: child,
+);
+
+RectTween createEndRectTween(Rect? begin, Rect? end) {
+  if (begin != null && end != null) {
+    final endWidth = end.width;
+    final endHeight = end.height;
+    // TODO: use real image rect
+    final beginRect = Rect.fromLTWH(
+      begin.left + (begin.width - endWidth) / 2,
+      begin.top + (begin.height - endHeight) / 2,
+      endWidth,
+      endHeight,
+    );
+    return RectTween(begin: beginRect, end: end);
+  }
+  return RectTween(begin: begin, end: end);
+}

lib/pages/article/widgets/html_render.dart

@@ -1,3 +1,4 @@
+import 'package:PiliPlus/common/widgets/image_viewer/hero.dart';
 import 'package:PiliPlus/models/common/image_preview_type.dart';
 import 'package:PiliPlus/utils/extension/num_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
@@ -54,7 +55,7 @@ Widget htmlRender({
               imgList: [SourceModel(url: imgUrl)],
               quality: 60,
             ),
-            child: Hero(
+            child: fromHero(
               tag: imgUrl,
               child: CachedNetworkImage(
                 width: width,

lib/pages/article/widgets/opus_content.dart

@@ -4,6 +4,7 @@ import 'package:PiliPlus/common/widgets/gesture/tap_gesture_recognizer.dart';
 import 'package:PiliPlus/common/widgets/image/cached_network_svg_image.dart';
 import 'package:PiliPlus/common/widgets/image/custom_grid_view.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
+import 'package:PiliPlus/common/widgets/image_viewer/hero.dart';
 import 'package:PiliPlus/http/constants.dart';
 import 'package:PiliPlus/models/common/image_preview_type.dart';
 import 'package:PiliPlus/models/common/image_type.dart';
@@ -222,26 +223,28 @@ class OpusContent extends StatelessWidget {
                     ? null
                     : width * pic.height! / pic.width!;
                 width ??= maxWidth;
+                Widget child = CachedNetworkImage(
+                  width: width,
+                  height: height,
+                  memCacheWidth: width.cacheSize(context),
+                  imageUrl: ImageUtils.thumbnailUrl(pic.url!, 60),
+                  fadeInDuration: const Duration(milliseconds: 120),
+                  fadeOutDuration: const Duration(milliseconds: 120),
+                  placeholder: (_, _) =>
+                      Image.asset('assets/images/loading.png'),
+                );
+                if (!(pic.isLongPic ?? false)) {
+                  child = fromHero(
+                    tag: pic.url!,
+                    child: child,
+                  );
+                }
                 return GestureDetector(
                   onTap: () => PageUtils.imageView(
                     imgList: [SourceModel(url: pic.url!)],
                     quality: 60,
                   ),
-                  child: Center(
-                    child: Hero(
-                      tag: pic.url!,
-                      child: CachedNetworkImage(
-                        width: width,
-                        height: height,
-                        memCacheWidth: width.cacheSize(context),
-                        imageUrl: ImageUtils.thumbnailUrl(pic.url!, 60),
-                        fadeInDuration: const Duration(milliseconds: 120),
-                        fadeOutDuration: const Duration(milliseconds: 120),
-                        placeholder: (_, _) =>
-                            Image.asset('assets/images/loading.png'),
-                      ),
-                    ),
-                  ),
+                  child: child,
                 );
               } else {
                 return CustomGridView(

lib/pages/audio/view.dart

@@ -5,6 +5,7 @@ import 'package:PiliPlus/common/widgets/button/icon_button.dart';
 import 'package:PiliPlus/common/widgets/flutter/refresh_indicator.dart';
 import 'package:PiliPlus/common/widgets/gesture/tap_gesture_recognizer.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
+import 'package:PiliPlus/common/widgets/image_viewer/hero.dart';
 import 'package:PiliPlus/common/widgets/progress_bar/audio_video_progress_bar.dart';
 import 'package:PiliPlus/common/widgets/progress_bar/segment_progress_bar.dart';
 import 'package:PiliPlus/grpc/bilibili/app/listener/v1.pb.dart';
@@ -893,7 +894,7 @@ class _AudioPageState extends State<AudioPage> {
                         onTap: () => PageUtils.imageView(
                           imgList: [SourceModel(url: cover)],
                         ),
-                        child: Hero(
+                        child: fromHero(
                           tag: cover,
                           child: NetworkImgLayer(
                             src: cover,

lib/pages/member/widget/user_info_card.dart

@@ -1,5 +1,6 @@
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/widgets/avatars.dart';
+import 'package:PiliPlus/common/widgets/image_viewer/hero.dart';
 import 'package:PiliPlus/common/widgets/pendant_avatar.dart';
 import 'package:PiliPlus/common/widgets/view_safe_area.dart';
 import 'package:PiliPlus/models/common/image_preview_type.dart';
@@ -125,7 +126,7 @@ class UserInfoCard extends StatelessWidget {
             .http2https;
     return GestureDetector(
       onTap: () => PageUtils.imageView(imgList: [SourceModel(url: imgUrl)]),
-      child: Hero(
+      child: fromHero(
         tag: imgUrl,
         child: CachedNetworkImage(
           fit: .cover,
@@ -454,7 +455,7 @@ class UserInfoCard extends StatelessWidget {
     ],
   );
 
-  Widget get _buildAvatar => Hero(
+  Widget get _buildAvatar => fromHero(
     tag: card.face ?? '',
     child: PendantAvatar(
       avatar: card.face,

lib/pages/music/view.dart

@@ -5,6 +5,7 @@ import 'package:PiliPlus/common/widgets/badge.dart';
 import 'package:PiliPlus/common/widgets/custom_icon.dart';
 import 'package:PiliPlus/common/widgets/flutter/refresh_indicator.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
+import 'package:PiliPlus/common/widgets/image_viewer/hero.dart';
 import 'package:PiliPlus/common/widgets/marquee.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/http/music.dart';
@@ -439,7 +440,7 @@ class _MusicDetailPageState extends CommonDynPageState<MusicDetailPage> {
                     onTap: () => PageUtils.imageView(
                       imgList: [SourceModel(url: item.mvCover!)],
                     ),
-                    child: Hero(
+                    child: fromHero(
                       tag: item.mvCover!,
                       child: NetworkImgLayer(
                         src: item.mvCover,

lib/pages/video/introduction/pgc/view.dart

@@ -5,6 +5,7 @@ import 'package:PiliPlus/common/widgets/badge.dart';
 import 'package:PiliPlus/common/widgets/button/icon_button.dart';
 import 'package:PiliPlus/common/widgets/dialog/dialog.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
+import 'package:PiliPlus/common/widgets/image_viewer/hero.dart';
 import 'package:PiliPlus/common/widgets/stat/stat.dart';
 import 'package:PiliPlus/models/common/image_preview_type.dart';
 import 'package:PiliPlus/models/common/image_type.dart';
@@ -147,7 +148,7 @@ class _PgcIntroPageState extends State<PgcIntroPage> {
           onTap: () => PageUtils.imageView(
             imgList: [SourceModel(url: item.cover!)],
           ),
-          child: Hero(
+          child: fromHero(
             tag: item.cover!,
             child: NetworkImgLayer(
               width: 115,

lib/pages/whisper_detail/widget/chat_item.dart

@@ -1,10 +1,11 @@
 import 'dart:convert';
-import 'dart:math';
+import 'dart:math' as math;
 
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/widgets/badge.dart';
 import 'package:PiliPlus/common/widgets/gesture/tap_gesture_recognizer.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
+import 'package:PiliPlus/common/widgets/image_viewer/hero.dart';
 import 'package:PiliPlus/grpc/bilibili/im/interfaces/v1.pb.dart'
     show EmotionInfo;
 import 'package:PiliPlus/grpc/bilibili/im/type.pb.dart' show Msg, MsgType;
@@ -590,16 +591,24 @@ class ChatItem extends StatelessWidget {
 
   Widget msgTypePic_2(Map content) {
     final url = content['url'];
+    final imgWidth = (content['width'] as num).toDouble();
+    final imgHeight = (content['height'] as num).toDouble();
+    final width = math.min(220.0, imgWidth);
+    final ratio = imgHeight / imgWidth;
+    Widget child = NetworkImgLayer(
+      width: width,
+      height: width * ratio,
+      src: url,
+    );
+    if (ratio <= StyleString.imgMaxRatio) {
+      child = fromHero(
+        tag: url,
+        child: child,
+      );
+    }
     return GestureDetector(
       onTap: () => PageUtils.imageView(imgList: [SourceModel(url: url)]),
-      child: Hero(
-        tag: url,
-        child: NetworkImgLayer(
-          width: 220,
-          height: 220 * content['height'] / content['width'],
-          src: url,
-        ),
-      ),
+      child: child,
     );
   }
 
@@ -750,7 +759,7 @@ class ChatItem extends StatelessWidget {
     final String? url = content['jump_url'];
     return LayoutBuilder(
       builder: (context, constraints) {
-        final maxWidth = max(400.0, constraints.maxWidth);
+        final maxWidth = math.max(400.0, constraints.maxWidth);
         Widget child = ClipRRect(
           borderRadius: StyleString.mdRadius,
           child: CachedNetworkImage(