From 3992c0e89af0703c6c0a4aaf11e9e70b4a85cc7f Mon Sep 17 00:00:00 2001
From: lifegpc <g1710431395@gmail.com>
Date: Tue, 5 Sep 2023 20:59:16 +0800
Subject: [PATCH] Make gallery page appbar floating

---
 lib/components/gallery_info.dart | 18 +++++++++++++++++-
 lib/gallery.dart                 | 32 ++++++++++++++++----------------
 2 files changed, 33 insertions(+), 17 deletions(-)

diff --git a/lib/components/gallery_info.dart b/lib/components/gallery_info.dart
index 67fbd4b..b86d541 100644
--- a/lib/components/gallery_info.dart
+++ b/lib/components/gallery_info.dart
@@ -1,5 +1,6 @@
 import 'package:eh_downloader_flutter/globals.dart';
 import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
 import '../api/file.dart';
 import '../api/gallery.dart';
 import 'gallery_basic_info.dart';
@@ -15,7 +16,7 @@ class GalleryInfo extends StatefulWidget {
   State<GalleryInfo> createState() => _GalleryInfo();
 }
 
-class _GalleryInfo extends State<GalleryInfo> {
+class _GalleryInfo extends State<GalleryInfo> with ThemeModeWidget {
   final ScrollController controller = ScrollController();
   void showNsfwChanged(dynamic _) {
     setState(() {});
@@ -37,6 +38,21 @@ class _GalleryInfo extends State<GalleryInfo> {
     return CustomScrollView(
       controller: controller,
       slivers: [
+        SliverAppBar(
+          leading: IconButton(
+            icon: const Icon(Icons.arrow_back),
+            onPressed: () {
+              context.canPop() ? context.pop() : context.go("/");
+            },
+          ),
+          title: SelectableText(
+              maxLines: 2, minLines: 1, widget.gData.meta.preferredTitle),
+          actions: [
+            buildThemeModeIcon(context),
+            buildMoreVertSettingsButon(context),
+          ],
+          floating: true,
+        ),
         useMobile
             ? SliverList(
                 delegate: SliverChildListDelegate([
diff --git a/lib/gallery.dart b/lib/gallery.dart
index 4ae67a4..e8247b7 100644
--- a/lib/gallery.dart
+++ b/lib/gallery.dart
@@ -66,24 +66,24 @@ class _GalleryPage extends State<GalleryPage> with ThemeModeWidget {
     final title = isLoading
         ? AppLocalizations.of(context)!.loading
         : _data != null
-            ? _data!.meta.preferredTitle
+            ? ""
             : AppLocalizations.of(context)!.gallery;
     return Scaffold(
-        appBar: AppBar(
-          leading: IconButton(
-            icon: const Icon(Icons.arrow_back),
-            onPressed: () {
-              context.canPop() ? context.pop() : context.go("/");
-            },
-          ),
-          title: _data != null
-              ? SelectableText(maxLines: 2, minLines: 1, title)
-              : Text(title),
-          actions: [
-            buildThemeModeIcon(context),
-            buildMoreVertSettingsButon(context),
-          ],
-        ),
+        appBar: _data == null
+            ? AppBar(
+                leading: IconButton(
+                  icon: const Icon(Icons.arrow_back),
+                  onPressed: () {
+                    context.canPop() ? context.pop() : context.go("/");
+                  },
+                ),
+                title: Text(title),
+                actions: [
+                  buildThemeModeIcon(context),
+                  buildMoreVertSettingsButon(context),
+                ],
+              )
+            : null,
         body: isLoading
             ? const Center(child: CircularProgressIndicator())
             : _data != null