opt fab location

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

lib/pages/main_reply/controller.dart

@@ -3,35 +3,18 @@ import 'package:PiliPlus/grpc/bilibili/main/community/reply/v1.pb.dart'
 import 'package:PiliPlus/grpc/reply.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/common/reply_controller.dart';
-import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
-class MainReplyController extends ReplyController<MainListReply>
-    with GetSingleTickerProviderStateMixin {
+class MainReplyController extends ReplyController<MainListReply> {
   late final int oid;
   late final int replyType;
 
   @override
   int get sourceId => oid;
 
-  bool _showFab = true;
-
-  late final AnimationController _fabAnimationCtr;
-  late final Animation<Offset> fabAnim;
-
   @override
   void onInit() {
     super.onInit();
-    _fabAnimationCtr = AnimationController(
-      vsync: this,
-      duration: const Duration(milliseconds: 300),
-    )..forward();
-    fabAnim = _fabAnimationCtr.drive(
-      Tween<Offset>(
-        begin: const Offset(0.0, 2.0),
-        end: Offset.zero,
-      ).chain(CurveTween(curve: Curves.easeInOut)),
-    );
     final args = Get.arguments;
     oid = args['oid'];
     replyType = args['replyType'];
@@ -39,20 +22,6 @@ class MainReplyController extends ReplyController<MainListReply>
     queryData();
   }
 
-  void showFab() {
-    if (!_showFab) {
-      _showFab = true;
-      _fabAnimationCtr.forward();
-    }
-  }
-
-  void hideFab() {
-    if (_showFab) {
-      _showFab = false;
-      _fabAnimationCtr.reverse();
-    }
-  }
-
   @override
   Future<LoadingState<MainListReply>> customGetData() => ReplyGrpc.mainList(
     type: replyType,
@@ -64,10 +33,4 @@ class MainReplyController extends ReplyController<MainListReply>
 
   @override
   List<ReplyInfo>? getDataList(MainListReply response) => response.replies;
-
-  @override
-  void onClose() {
-    _fabAnimationCtr.dispose();
-    super.onClose();
-  }
 }

lib/pages/main_reply/view.dart

@@ -7,6 +7,7 @@ import 'package:PiliPlus/common/widgets/view_safe_area.dart';
 import 'package:PiliPlus/grpc/bilibili/main/community/reply/v1.pb.dart'
     show ReplyInfo;
 import 'package:PiliPlus/http/loading_state.dart';
+import 'package:PiliPlus/pages/common/fab_mixin.dart';
 import 'package:PiliPlus/pages/main_reply/controller.dart';
 import 'package:PiliPlus/pages/video/reply/widgets/reply_item_grpc.dart';
 import 'package:PiliPlus/pages/video/reply_reply/view.dart';
@@ -38,7 +39,8 @@ class MainReplyPage extends StatefulWidget {
   }
 }
 
-class _MainReplyPageState extends State<MainReplyPage> {
+class _MainReplyPageState extends State<MainReplyPage>
+    with SingleTickerProviderStateMixin, FabMixin {
   final _controller = Get.put(
     MainReplyController(),
     tag: Utils.generateRandomString(8),
@@ -62,9 +64,9 @@ class _MainReplyPageState extends State<MainReplyPage> {
         onNotification: (notification) {
           final direction = notification.direction;
           if (direction == .forward) {
-            _controller.showFab();
+            showFab();
           } else if (direction == .reverse) {
-            _controller.hideFab();
+            hideFab();
           }
           return false;
         },
@@ -87,22 +89,26 @@ class _MainReplyPageState extends State<MainReplyPage> {
           ),
         ).constraintWidth(),
       ),
+      floatingActionButtonLocation: const NoBottomPaddingFabLocation(),
       floatingActionButton: SlideTransition(
-        position: _controller.fabAnim,
-        child: FloatingActionButton(
-          heroTag: null,
-          onPressed: () {
-            try {
-              feedBack();
-              _controller.onReply(
-                null,
-                oid: _controller.oid,
-                replyType: _controller.replyType,
-              );
-            } catch (_) {}
-          },
-          tooltip: '评论',
-          child: const Icon(Icons.reply),
+        position: fabAnimation,
+        child: Padding(
+          padding: .only(bottom: padding.bottom + kFloatingActionButtonMargin),
+          child: FloatingActionButton(
+            heroTag: null,
+            onPressed: () {
+              try {
+                feedBack();
+                _controller.onReply(
+                  null,
+                  oid: _controller.oid,
+                  replyType: _controller.replyType,
+                );
+              } catch (_) {}
+            },
+            tooltip: '评论',
+            child: const Icon(Icons.reply),
+          ),
         ),
       ),
     );