[flutter]: config stack page

app_flowy/lib/workspace/application/menu/menu_bloc.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'package:app_flowy/workspace/domain/i_workspace.dart';
 import 'package:app_flowy/workspace/domain/page_stack/page_stack.dart';
+import 'package:app_flowy/workspace/presentation/stack_page/blank/blank_page.dart';
 import 'package:dartz/dartz.dart';
 import 'package:flowy_log/flowy_log.dart';
 import 'package:flowy_sdk/protobuf/flowy-workspace/app_create.pb.dart';
@@ -37,12 +38,11 @@ class MenuBloc extends Bloc<MenuEvent, MenuState> {
   }
 
   Stream<MenuState> _performActionOnOpenPage(OpenPage e) async* {
-    yield state.copyWith(stackView: e.stackView);
+    yield state.copyWith(context: e.context);
   }
 
   Stream<MenuState> _performActionOnCreateApp(CreateApp event) async* {
-    final result =
-        await workspace.createApp(name: event.name, desc: event.desc);
+    final result = await workspace.createApp(name: event.name, desc: event.desc);
     yield result.fold(
       (app) => state.copyWith(apps: some([app])),
       (error) {
@@ -69,7 +69,7 @@ class MenuBloc extends Bloc<MenuEvent, MenuState> {
 class MenuEvent with _$MenuEvent {
   const factory MenuEvent.initial() = _Initial;
   const factory MenuEvent.collapse() = Collapse;
-  const factory MenuEvent.openPage(HomeStackView stackView) = OpenPage;
+  const factory MenuEvent.openPage(HomeStackContext context) = OpenPage;
   const factory MenuEvent.createApp(String name, {String? desc}) = CreateApp;
 }
 
@@ -79,12 +79,13 @@ class MenuState with _$MenuState {
     required bool isCollapse,
     required Option<List<App>> apps,
     required Either<Unit, WorkspaceError> successOrFailure,
-    HomeStackView? stackView,
+    required HomeStackContext context,
   }) = _MenuState;
 
   factory MenuState.initial() => MenuState(
         isCollapse: false,
         apps: none(),
         successOrFailure: left(unit),
+        context: DefaultHomeStackContext(),
       );
 }

app_flowy/lib/workspace/application/menu/menu_bloc.freezed.dart

@@ -24,9 +24,9 @@ class _$MenuEventTearOff {
     return const Collapse();
   }
 
-  OpenPage openPage(HomeStackView stackView) {
+  OpenPage openPage(HomeStackContext context) {
     return OpenPage(
-      stackView,
+      context,
     );
   }
 
@@ -47,7 +47,7 @@ mixin _$MenuEvent {
   TResult when<TResult extends Object?>({
     required TResult Function() initial,
     required TResult Function() collapse,
-    required TResult Function(HomeStackView stackView) openPage,
+    required TResult Function(HomeStackContext context) openPage,
     required TResult Function(String name, String? desc) createApp,
   }) =>
       throw _privateConstructorUsedError;
@@ -55,7 +55,7 @@ mixin _$MenuEvent {
   TResult maybeWhen<TResult extends Object?>({
     TResult Function()? initial,
     TResult Function()? collapse,
-    TResult Function(HomeStackView stackView)? openPage,
+    TResult Function(HomeStackContext context)? openPage,
     TResult Function(String name, String? desc)? createApp,
     required TResult orElse(),
   }) =>
@@ -133,7 +133,7 @@ class _$_Initial implements _Initial {
   TResult when<TResult extends Object?>({
     required TResult Function() initial,
     required TResult Function() collapse,
-    required TResult Function(HomeStackView stackView) openPage,
+    required TResult Function(HomeStackContext context) openPage,
     required TResult Function(String name, String? desc) createApp,
   }) {
     return initial();
@@ -144,7 +144,7 @@ class _$_Initial implements _Initial {
   TResult maybeWhen<TResult extends Object?>({
     TResult Function()? initial,
     TResult Function()? collapse,
-    TResult Function(HomeStackView stackView)? openPage,
+    TResult Function(HomeStackContext context)? openPage,
     TResult Function(String name, String? desc)? createApp,
     required TResult orElse(),
   }) {
@@ -224,7 +224,7 @@ class _$Collapse implements Collapse {
   TResult when<TResult extends Object?>({
     required TResult Function() initial,
     required TResult Function() collapse,
-    required TResult Function(HomeStackView stackView) openPage,
+    required TResult Function(HomeStackContext context) openPage,
     required TResult Function(String name, String? desc) createApp,
   }) {
     return collapse();
@@ -235,7 +235,7 @@ class _$Collapse implements Collapse {
   TResult maybeWhen<TResult extends Object?>({
     TResult Function()? initial,
     TResult Function()? collapse,
-    TResult Function(HomeStackView stackView)? openPage,
+    TResult Function(HomeStackContext context)? openPage,
     TResult Function(String name, String? desc)? createApp,
     required TResult orElse(),
   }) {
@@ -280,7 +280,7 @@ abstract class Collapse implements MenuEvent {
 abstract class $OpenPageCopyWith<$Res> {
   factory $OpenPageCopyWith(OpenPage value, $Res Function(OpenPage) then) =
       _$OpenPageCopyWithImpl<$Res>;
-  $Res call({HomeStackView stackView});
+  $Res call({HomeStackContext context});
 }
 
 /// @nodoc
@@ -294,13 +294,13 @@ class _$OpenPageCopyWithImpl<$Res> extends _$MenuEventCopyWithImpl<$Res>
 
   @override
   $Res call({
-    Object? stackView = freezed,
+    Object? context = freezed,
   }) {
     return _then(OpenPage(
-      stackView == freezed
-          ? _value.stackView
-          : stackView // ignore: cast_nullable_to_non_nullable
-              as HomeStackView,
+      context == freezed
+          ? _value.context
+          : context // ignore: cast_nullable_to_non_nullable
+              as HomeStackContext,
     ));
   }
 }
@@ -308,28 +308,27 @@ class _$OpenPageCopyWithImpl<$Res> extends _$MenuEventCopyWithImpl<$Res>
 /// @nodoc
 
 class _$OpenPage implements OpenPage {
-  const _$OpenPage(this.stackView);
+  const _$OpenPage(this.context);
 
   @override
-  final HomeStackView stackView;
+  final HomeStackContext context;
 
   @override
   String toString() {
-    return 'MenuEvent.openPage(stackView: $stackView)';
+    return 'MenuEvent.openPage(context: $context)';
   }
 
   @override
   bool operator ==(dynamic other) {
     return identical(this, other) ||
         (other is OpenPage &&
-            (identical(other.stackView, stackView) ||
-                const DeepCollectionEquality()
-                    .equals(other.stackView, stackView)));
+            (identical(other.context, context) ||
+                const DeepCollectionEquality().equals(other.context, context)));
   }
 
   @override
   int get hashCode =>
-      runtimeType.hashCode ^ const DeepCollectionEquality().hash(stackView);
+      runtimeType.hashCode ^ const DeepCollectionEquality().hash(context);
 
   @JsonKey(ignore: true)
   @override
@@ -341,10 +340,10 @@ class _$OpenPage implements OpenPage {
   TResult when<TResult extends Object?>({
     required TResult Function() initial,
     required TResult Function() collapse,
-    required TResult Function(HomeStackView stackView) openPage,
+    required TResult Function(HomeStackContext context) openPage,
     required TResult Function(String name, String? desc) createApp,
   }) {
-    return openPage(stackView);
+    return openPage(context);
   }
 
   @override
@@ -352,12 +351,12 @@ class _$OpenPage implements OpenPage {
   TResult maybeWhen<TResult extends Object?>({
     TResult Function()? initial,
     TResult Function()? collapse,
-    TResult Function(HomeStackView stackView)? openPage,
+    TResult Function(HomeStackContext context)? openPage,
     TResult Function(String name, String? desc)? createApp,
     required TResult orElse(),
   }) {
     if (openPage != null) {
-      return openPage(stackView);
+      return openPage(context);
     }
     return orElse();
   }
@@ -390,9 +389,9 @@ class _$OpenPage implements OpenPage {
 }
 
 abstract class OpenPage implements MenuEvent {
-  const factory OpenPage(HomeStackView stackView) = _$OpenPage;
+  const factory OpenPage(HomeStackContext context) = _$OpenPage;
 
-  HomeStackView get stackView => throw _privateConstructorUsedError;
+  HomeStackContext get context => throw _privateConstructorUsedError;
   @JsonKey(ignore: true)
   $OpenPageCopyWith<OpenPage> get copyWith =>
       throw _privateConstructorUsedError;
@@ -473,7 +472,7 @@ class _$CreateApp implements CreateApp {
   TResult when<TResult extends Object?>({
     required TResult Function() initial,
     required TResult Function() collapse,
-    required TResult Function(HomeStackView stackView) openPage,
+    required TResult Function(HomeStackContext context) openPage,
     required TResult Function(String name, String? desc) createApp,
   }) {
     return createApp(name, desc);
@@ -484,7 +483,7 @@ class _$CreateApp implements CreateApp {
   TResult maybeWhen<TResult extends Object?>({
     TResult Function()? initial,
     TResult Function()? collapse,
-    TResult Function(HomeStackView stackView)? openPage,
+    TResult Function(HomeStackContext context)? openPage,
     TResult Function(String name, String? desc)? createApp,
     required TResult orElse(),
   }) {
@@ -539,12 +538,12 @@ class _$MenuStateTearOff {
       {required bool isCollapse,
       required Option<List<App>> apps,
       required Either<Unit, WorkspaceError> successOrFailure,
-      HomeStackView? stackView}) {
+      required HomeStackContext context}) {
     return _MenuState(
       isCollapse: isCollapse,
       apps: apps,
       successOrFailure: successOrFailure,
-      stackView: stackView,
+      context: context,
     );
   }
 }
@@ -558,7 +557,7 @@ mixin _$MenuState {
   Option<List<App>> get apps => throw _privateConstructorUsedError;
   Either<Unit, WorkspaceError> get successOrFailure =>
       throw _privateConstructorUsedError;
-  HomeStackView? get stackView => throw _privateConstructorUsedError;
+  HomeStackContext get context => throw _privateConstructorUsedError;
 
   @JsonKey(ignore: true)
   $MenuStateCopyWith<MenuState> get copyWith =>
@@ -573,7 +572,7 @@ abstract class $MenuStateCopyWith<$Res> {
       {bool isCollapse,
       Option<List<App>> apps,
       Either<Unit, WorkspaceError> successOrFailure,
-      HomeStackView? stackView});
+      HomeStackContext context});
 }
 
 /// @nodoc
@@ -589,7 +588,7 @@ class _$MenuStateCopyWithImpl<$Res> implements $MenuStateCopyWith<$Res> {
     Object? isCollapse = freezed,
     Object? apps = freezed,
     Object? successOrFailure = freezed,
-    Object? stackView = freezed,
+    Object? context = freezed,
   }) {
     return _then(_value.copyWith(
       isCollapse: isCollapse == freezed
@@ -604,10 +603,10 @@ class _$MenuStateCopyWithImpl<$Res> implements $MenuStateCopyWith<$Res> {
           ? _value.successOrFailure
           : successOrFailure // ignore: cast_nullable_to_non_nullable
               as Either<Unit, WorkspaceError>,
-      stackView: stackView == freezed
-          ? _value.stackView
-          : stackView // ignore: cast_nullable_to_non_nullable
-              as HomeStackView?,
+      context: context == freezed
+          ? _value.context
+          : context // ignore: cast_nullable_to_non_nullable
+              as HomeStackContext,
     ));
   }
 }
@@ -622,7 +621,7 @@ abstract class _$MenuStateCopyWith<$Res> implements $MenuStateCopyWith<$Res> {
       {bool isCollapse,
       Option<List<App>> apps,
       Either<Unit, WorkspaceError> successOrFailure,
-      HomeStackView? stackView});
+      HomeStackContext context});
 }
 
 /// @nodoc
@@ -639,7 +638,7 @@ class __$MenuStateCopyWithImpl<$Res> extends _$MenuStateCopyWithImpl<$Res>
     Object? isCollapse = freezed,
     Object? apps = freezed,
     Object? successOrFailure = freezed,
-    Object? stackView = freezed,
+    Object? context = freezed,
   }) {
     return _then(_MenuState(
       isCollapse: isCollapse == freezed
@@ -654,10 +653,10 @@ class __$MenuStateCopyWithImpl<$Res> extends _$MenuStateCopyWithImpl<$Res>
           ? _value.successOrFailure
           : successOrFailure // ignore: cast_nullable_to_non_nullable
               as Either<Unit, WorkspaceError>,
-      stackView: stackView == freezed
-          ? _value.stackView
-          : stackView // ignore: cast_nullable_to_non_nullable
-              as HomeStackView?,
+      context: context == freezed
+          ? _value.context
+          : context // ignore: cast_nullable_to_non_nullable
+              as HomeStackContext,
     ));
   }
 }
@@ -669,7 +668,7 @@ class _$_MenuState implements _MenuState {
       {required this.isCollapse,
       required this.apps,
       required this.successOrFailure,
-      this.stackView});
+      required this.context});
 
   @override
   final bool isCollapse;
@@ -678,11 +677,11 @@ class _$_MenuState implements _MenuState {
   @override
   final Either<Unit, WorkspaceError> successOrFailure;
   @override
-  final HomeStackView? stackView;
+  final HomeStackContext context;
 
   @override
   String toString() {
-    return 'MenuState(isCollapse: $isCollapse, apps: $apps, successOrFailure: $successOrFailure, stackView: $stackView)';
+    return 'MenuState(isCollapse: $isCollapse, apps: $apps, successOrFailure: $successOrFailure, context: $context)';
   }
 
   @override
@@ -697,9 +696,8 @@ class _$_MenuState implements _MenuState {
             (identical(other.successOrFailure, successOrFailure) ||
                 const DeepCollectionEquality()
                     .equals(other.successOrFailure, successOrFailure)) &&
-            (identical(other.stackView, stackView) ||
-                const DeepCollectionEquality()
-                    .equals(other.stackView, stackView)));
+            (identical(other.context, context) ||
+                const DeepCollectionEquality().equals(other.context, context)));
   }
 
   @override
@@ -708,7 +706,7 @@ class _$_MenuState implements _MenuState {
       const DeepCollectionEquality().hash(isCollapse) ^
       const DeepCollectionEquality().hash(apps) ^
       const DeepCollectionEquality().hash(successOrFailure) ^
-      const DeepCollectionEquality().hash(stackView);
+      const DeepCollectionEquality().hash(context);
 
   @JsonKey(ignore: true)
   @override
@@ -721,7 +719,7 @@ abstract class _MenuState implements MenuState {
       {required bool isCollapse,
       required Option<List<App>> apps,
       required Either<Unit, WorkspaceError> successOrFailure,
-      HomeStackView? stackView}) = _$_MenuState;
+      required HomeStackContext context}) = _$_MenuState;
 
   @override
   bool get isCollapse => throw _privateConstructorUsedError;
@@ -731,7 +729,7 @@ abstract class _MenuState implements MenuState {
   Either<Unit, WorkspaceError> get successOrFailure =>
       throw _privateConstructorUsedError;
   @override
-  HomeStackView? get stackView => throw _privateConstructorUsedError;
+  HomeStackContext get context => throw _privateConstructorUsedError;
   @override
   @JsonKey(ignore: true)
   _$MenuStateCopyWith<_MenuState> get copyWith =>

app_flowy/lib/workspace/domain/page_stack/page_stack.dart

@@ -1,48 +1,56 @@
+import 'package:app_flowy/workspace/presentation/stack_page/doc/doc_stack_page.dart';
 import 'package:equatable/equatable.dart';
 import 'package:flowy_sdk/protobuf/flowy-workspace/view_create.pb.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
-import 'package:app_flowy/workspace/presentation/doc/doc_stack_page.dart';
-import 'package:app_flowy/workspace/presentation/widgets/blank_page.dart';
-import 'package:app_flowy/workspace/presentation/widgets/fading_index_stack.dart';
+import 'package:app_flowy/workspace/presentation/stack_page/blank/blank_page.dart';
+import 'package:app_flowy/workspace/presentation/stack_page/fading_index_stack.dart';
 import 'package:app_flowy/workspace/presentation/widgets/prelude.dart';
 
-abstract class HomeStackView extends Equatable {
-  final ViewType type;
-  final String title;
-  final String identifier;
-  const HomeStackView(
-      {required this.type, required this.title, required this.identifier});
+abstract class HomeStackContext extends Equatable {
+  String get title;
+  String get identifier;
+  ViewType get type;
+  Widget render();
 }
 
-class PageStackNotifier extends ChangeNotifier {
-  HomeStackView? innerView;
+HomeStackContext stackCtxFromView(View view) {
+  switch (view.viewType) {
+    case ViewType.Blank:
+      return DefaultHomeStackContext();
+    case ViewType.Doc:
+      return DocStackContext(view: view);
+    default:
+      return DefaultHomeStackContext();
+  }
+}
+
+class HomeStackNotifier extends ChangeNotifier {
+  HomeStackContext inner;
 
-  PageStackNotifier({
-    this.innerView,
-  });
+  HomeStackNotifier({
+    HomeStackContext? context,
+  }) : inner = context ?? DefaultHomeStackContext();
 
-  set view(HomeStackView view) {
-    innerView = view;
+  set context(HomeStackContext context) {
+    inner = context;
     notifyListeners();
   }
 
-  HomeStackView get view {
-    return innerView ?? const AnnouncementStackView();
-  }
+  HomeStackContext get context => inner;
 }
 
 // HomePageStack is initialized as singleton to controll the page stack.
-class HomePageStack {
-  final PageStackNotifier _notifier = PageStackNotifier();
-  HomePageStack();
+class HomeStack {
+  final HomeStackNotifier _notifier = HomeStackNotifier();
+  HomeStack();
 
   String title() {
-    return _notifier.view.title;
+    return _notifier.context.title;
   }
 
-  void setStackView(HomeStackView? stackView) {
-    _notifier.view = stackView ?? const AnnouncementStackView();
+  void setStack(HomeStackContext context) {
+    _notifier.context = context;
   }
 
   Widget stackTopBar() {
@@ -50,8 +58,8 @@ class HomePageStack {
       providers: [
         ChangeNotifierProvider.value(value: _notifier),
       ],
-      child: Consumer(builder: (ctx, PageStackNotifier notifier, child) {
-        return HomeTopBar(view: notifier.view);
+      child: Consumer(builder: (ctx, HomeStackNotifier notifier, child) {
+        return HomeTopBar(view: notifier.context);
       }),
     );
   }
@@ -61,10 +69,16 @@ class HomePageStack {
       providers: [
         ChangeNotifierProvider.value(value: _notifier),
       ],
-      child: Consumer(builder: (ctx, PageStackNotifier notifier, child) {
+      child: Consumer(builder: (ctx, HomeStackNotifier notifier, child) {
         return FadingIndexedStack(
-          index: pages.indexOf(notifier.view.type),
-          children: _buildStackWidget(notifier.view),
+          index: pages.indexOf(notifier.context.type),
+          children: ViewType.values.map((viewType) {
+            if (viewType == notifier.context.type) {
+              return notifier.context.render();
+            } else {
+              return const AnnouncementStackPage();
+            }
+          }).toList(),
         );
       }),
     );
@@ -72,40 +86,3 @@ class HomePageStack {
 }
 
 List<ViewType> pages = ViewType.values.toList();
-
-List<Widget> _buildStackWidget(HomeStackView stackView) {
-  return ViewType.values.map((viewType) {
-    if (viewType == stackView.type) {
-      switch (stackView.type) {
-        case ViewType.Blank:
-          return AnnouncementStackPage(
-              stackView: stackView as AnnouncementStackView);
-        case ViewType.Doc:
-          final docView = stackView as DocPageStackView;
-          return DocStackPage(
-              key: ValueKey(docView.view.id), stackView: docView);
-        default:
-          return AnnouncementStackPage(
-              stackView: stackView as AnnouncementStackView);
-      }
-    } else {
-      return const AnnouncementStackPage(stackView: AnnouncementStackView());
-    }
-  }).toList();
-}
-
-HomeStackView stackViewFromView(View view) {
-  switch (view.viewType) {
-    case ViewType.Blank:
-      return const AnnouncementStackView();
-    case ViewType.Doc:
-      return DocPageStackView(view);
-    default:
-      return const AnnouncementStackView();
-  }
-}
-
-abstract class HomeStackWidget extends StatefulWidget {
-  final HomeStackView stackView;
-  const HomeStackWidget({Key? key, required this.stackView}) : super(key: key);
-}

app_flowy/lib/workspace/infrastructure/deps_resolver.dart

@@ -28,68 +28,53 @@ import 'i_view_impl.dart';
 class HomeDepsResolver {
   static Future<void> resolve(GetIt getIt) async {
     //
-    getIt.registerLazySingleton<HomePageStack>(() => HomePageStack());
+    getIt.registerLazySingleton<HomeStack>(() => HomeStack());
 
     //App
-    getIt.registerFactoryParam<IApp, String, void>(
-        (appId, _) => IAppImpl(repo: AppRepository(appId: appId)));
+    getIt.registerFactoryParam<IApp, String, void>((appId, _) => IAppImpl(repo: AppRepository(appId: appId)));
     getIt.registerFactoryParam<IAppWatch, String, void>(
         (appId, _) => IAppWatchImpl(repo: AppWatchRepository(appId: appId)));
 
     //workspace
     getIt.registerFactoryParam<IWorkspace, UserProfile, String>(
-        (user, workspaceId) => IWorkspaceImpl(
-            repo: WorkspaceRepo(user: user, workspaceId: workspaceId)));
+        (user, workspaceId) => IWorkspaceImpl(repo: WorkspaceRepo(user: user, workspaceId: workspaceId)));
     getIt.registerFactoryParam<IWorkspaceWatch, UserProfile, String>(
-        (user, workspaceId) => IWorkspaceWatchImpl(
-            repo: WorkspaceWatchRepo(user: user, workspaceId: workspaceId)));
+        (user, workspaceId) => IWorkspaceWatchImpl(repo: WorkspaceWatchRepo(user: user, workspaceId: workspaceId)));
 
     // View
-    getIt.registerFactoryParam<IView, View, void>(
-        (view, _) => IViewImpl(repo: ViewRepository(view: view)));
+    getIt.registerFactoryParam<IView, View, void>((view, _) => IViewImpl(repo: ViewRepository(view: view)));
     getIt.registerFactoryParam<IViewWatch, View, void>(
         (view, _) => IViewWatchImpl(repo: ViewWatchRepository(view: view)));
 
     // Doc
-    getIt.registerFactoryParam<IDoc, String, void>(
-        (docId, _) => IDocImpl(repo: DocRepository(docId: docId)));
+    getIt.registerFactoryParam<IDoc, String, void>((docId, _) => IDocImpl(repo: DocRepository(docId: docId)));
 
     // User
-    getIt.registerFactoryParam<IUser, UserProfile, void>(
-        (user, _) => IUserImpl(repo: UserRepo(user: user)));
-    getIt.registerFactoryParam<IUserWatch, UserProfile, void>(
-        (user, _) => IUserWatchImpl(user: user));
+    getIt.registerFactoryParam<IUser, UserProfile, void>((user, _) => IUserImpl(repo: UserRepo(user: user)));
+    getIt.registerFactoryParam<IUserWatch, UserProfile, void>((user, _) => IUserWatchImpl(user: user));
 
     //Menu Bloc
     getIt.registerFactoryParam<MenuBloc, UserProfile, String>(
-        (user, workspaceId) =>
-            MenuBloc(getIt<IWorkspace>(param1: user, param2: workspaceId)));
+        (user, workspaceId) => MenuBloc(getIt<IWorkspace>(param1: user, param2: workspaceId)));
     getIt.registerFactoryParam<MenuWatchBloc, UserProfile, String>(
-        (user, workspaceId) => MenuWatchBloc(
-            getIt<IWorkspaceWatch>(param1: user, param2: workspaceId)));
+        (user, workspaceId) => MenuWatchBloc(getIt<IWorkspaceWatch>(param1: user, param2: workspaceId)));
 
-    getIt.registerFactoryParam<MenuUserBloc, UserProfile, void>((user, _) =>
-        MenuUserBloc(
-            getIt<IUser>(param1: user), getIt<IUserWatch>(param1: user)));
+    getIt.registerFactoryParam<MenuUserBloc, UserProfile, void>(
+        (user, _) => MenuUserBloc(getIt<IUser>(param1: user), getIt<IUserWatch>(param1: user)));
 
     //
-    getIt.registerFactoryParam<AppBloc, String, void>(
-        (appId, _) => AppBloc(getIt<IApp>(param1: appId)));
-    getIt.registerFactoryParam<AppWatchBloc, String, void>(
-        (appId, _) => AppWatchBloc(getIt<IAppWatch>(param1: appId)));
+    getIt.registerFactoryParam<AppBloc, String, void>((appId, _) => AppBloc(getIt<IApp>(param1: appId)));
+    getIt.registerFactoryParam<AppWatchBloc, String, void>((appId, _) => AppWatchBloc(getIt<IAppWatch>(param1: appId)));
 
-    getIt.registerFactoryParam<ViewBloc, String, void>(
-        (viewId, _) => ViewBloc(iViewImpl: getIt<IView>(param1: viewId)));
+    getIt
+        .registerFactoryParam<ViewBloc, String, void>((viewId, _) => ViewBloc(iViewImpl: getIt<IView>(param1: viewId)));
 
-    getIt.registerFactoryParam<DocBloc, String, void>(
-        (docId, _) => DocBloc(iDocImpl: getIt<IDoc>(param1: docId)));
+    getIt.registerFactoryParam<DocBloc, String, void>((docId, _) => DocBloc(iDocImpl: getIt<IDoc>(param1: docId)));
 
-    getIt.registerFactoryParam<DocEditBloc, String, void>(
-        (docId, _) => DocEditBloc(getIt<IDoc>(param1: docId)));
+    getIt.registerFactoryParam<DocEditBloc, String, void>((docId, _) => DocEditBloc(getIt<IDoc>(param1: docId)));
 
     // editor
-    getIt.registerFactoryParam<ViewListBloc, List<View>, void>(
-        (views, _) => ViewListBloc(views: views));
+    getIt.registerFactoryParam<ViewListBloc, List<View>, void>((views, _) => ViewListBloc(views: views));
 
     getIt.registerFactoryParam<WelcomeBloc, UserProfile, void>(
       (user, _) => WelcomeBloc(

app_flowy/lib/workspace/presentation/home/home_screen.dart

@@ -77,7 +77,7 @@ class HomeScreen extends StatelessWidget {
     final homeBloc = context.read<HomeBloc>();
     Widget homeMenu = HomeMenu(
       pageContextChanged: (pageContext) {
-        getIt<HomePageStack>().setStackView(pageContext);
+        getIt<HomeStack>().setStack(pageContext);
       },
       isCollapseChanged: (isCollapse) {
         homeBloc.add(HomeEvent.forceCollapse(isCollapse));
@@ -139,12 +139,12 @@ class HomePage extends StatelessWidget {
     return Column(
       mainAxisAlignment: MainAxisAlignment.start,
       children: [
-        getIt<HomePageStack>().stackTopBar(),
+        getIt<HomeStack>().stackTopBar(),
         Expanded(
           child: Container(
             color: Colors.white,
             child: FocusTraversalGroup(
-              child: getIt<HomePageStack>().stackWidget(),
+              child: getIt<HomeStack>().stackWidget(),
             ),
           ),
         ),
@@ -152,30 +152,3 @@ class HomePage extends StatelessWidget {
     );
   }
 }
-
-// class HomeIndexStack extends StatelessWidget {
-//   const HomeIndexStack({Key? key}) : super(key: key);
-//   @override
-//   Widget build(BuildContext context) {
-//     return BlocBuilder<HomeBloc, HomeState>(
-//       buildWhen: (p, c) {
-//         if (p.pageContext != c.pageContext) {
-//           Log.info(
-//               'PageContext switch from ${p.pageContext.pageType} to ${c.pageContext.pageType}');
-//         }
-//         return p.pageContext != c.pageContext;
-//       },
-//       builder: (context, state) {
-//         final pageContext = context.read<HomeBloc>().state.pageContext;
-//         return Expanded(
-//           child: Container(
-//             color: Colors.white,
-//             child: FocusTraversalGroup(
-//               child: getIt<FlowyHomeIndexStack>().indexStack(pageContext),
-//             ),
-//           ),
-//         );
-//       },
-//     );
-//   }
-// }

app_flowy/lib/workspace/presentation/home/navigation_list.dart → app_flowy/lib/workspace/presentation/home/navigation.dart

@@ -14,17 +14,17 @@ abstract class NaviItem {
 }
 
 class NavigationNotifier with ChangeNotifier {
-  PageStackNotifier pageStackNotifier;
+  HomeStackNotifier pageStackNotifier;
   NavigationNotifier(this.pageStackNotifier);
 
-  void update(PageStackNotifier notifier) {
+  void update(HomeStackNotifier notifier) {
     pageStackNotifier = notifier;
     notifyListeners();
   }
 
   List<NaviItem> get naviItems {
     List<NaviItem> items = [
-      ViewNaviItemImpl(pageStackNotifier.view),
+      ViewNaviItemImpl(pageStackNotifier.context),
       // ViewNaviItemImpl(pageStackNotifier.view),
       // ViewNaviItemImpl(pageStackNotifier.view),
       // ViewNaviItemImpl(pageStackNotifier.view),
@@ -35,14 +35,14 @@ class NavigationNotifier with ChangeNotifier {
   }
 }
 
-class StyledNavigationList extends StatelessWidget {
-  const StyledNavigationList({Key? key}) : super(key: key);
+class FlowyNavigation extends StatelessWidget {
+  const FlowyNavigation({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
-    return ChangeNotifierProxyProvider<PageStackNotifier, NavigationNotifier>(
+    return ChangeNotifierProxyProvider<HomeStackNotifier, NavigationNotifier>(
       create: (_) => NavigationNotifier(
-        Provider.of<PageStackNotifier>(
+        Provider.of<HomeStackNotifier>(
           context,
           listen: false,
         ),
@@ -63,9 +63,7 @@ class StyledNavigationList extends StatelessWidget {
     Widget last = NaviItemWidget(newItems.removeLast());
 
     List<Widget> widgets = List.empty(growable: true);
-    widgets.addAll(newItems
-        .map((item) => NaviItemDivider(child: NaviItemWidget(item)))
-        .toList());
+    widgets.addAll(newItems.map((item) => NaviItemDivider(child: NaviItemWidget(item))).toList());
     widgets.add(last);
 
     return widgets;

app_flowy/lib/workspace/presentation/widgets/blank_page.dart → app_flowy/lib/workspace/presentation/stack_page/blank/blank_page.dart

@@ -2,21 +2,30 @@ import 'package:app_flowy/workspace/domain/page_stack/page_stack.dart';
 import 'package:flowy_sdk/protobuf/flowy-workspace/view_create.pb.dart';
 import 'package:flutter/material.dart';
 
-class AnnouncementStackView extends HomeStackView {
-  const AnnouncementStackView()
-      : super(type: ViewType.Blank, title: 'Blank', identifier: "Announcement");
+class DefaultHomeStackContext extends HomeStackContext {
+  @override
+  String get identifier => "1";
+
+  @override
+  List<Object?> get props => ["1"];
+
+  @override
+  String get title => "Blank page";
+
+  @override
+  ViewType get type => ViewType.Blank;
 
   @override
-  List<Object> get props => [];
+  Widget render() {
+    return const AnnouncementStackPage();
+  }
 }
 
-class AnnouncementStackPage extends HomeStackWidget {
-  const AnnouncementStackPage(
-      {Key? key, required AnnouncementStackView stackView})
-      : super(key: key, stackView: stackView);
+class AnnouncementStackPage extends StatefulWidget {
+  const AnnouncementStackPage({Key? key}) : super(key: key);
 
   @override
-  State<StatefulWidget> createState() => _AnnouncementPage();
+  State<AnnouncementStackPage> createState() => _AnnouncementPage();
 }
 
 class _AnnouncementPage extends State<AnnouncementStackPage> {

app_flowy/lib/workspace/presentation/doc/doc_page.dart → app_flowy/lib/workspace/presentation/stack_page/doc/doc_page.dart

@@ -1,25 +1,23 @@
 import 'dart:io';
-
 import 'package:app_flowy/startup/startup.dart';
 import 'package:app_flowy/workspace/application/doc/doc_edit_bloc.dart';
 import 'package:app_flowy/workspace/domain/i_doc.dart';
-// import 'package:flowy_editor/flowy_editor.dart';
 import 'package:editor/flutter_quill.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 
 class DocPage extends StatefulWidget {
-  late QuillController controller;
-  late DocEditBloc editBloc;
+  final QuillController controller;
+  final DocEditBloc editBloc;
   final FlowyDoc doc;
 
-  DocPage({Key? key, required this.doc}) : super(key: key) {
-    editBloc = getIt<DocEditBloc>(param1: doc.id);
-    controller = QuillController(
-      document: doc.document,
-      selection: const TextSelection.collapsed(offset: 0),
-    );
-  }
+  DocPage({Key? key, required this.doc})
+      : controller = QuillController(
+          document: doc.document,
+          selection: const TextSelection.collapsed(offset: 0),
+        ),
+        editBloc = getIt<DocEditBloc>(param1: doc.id),
+        super(key: key);
 
   @override
   State<DocPage> createState() => _DocPageState();

app_flowy/lib/workspace/presentation/doc/doc_stack_page.dart → app_flowy/lib/workspace/presentation/stack_page/doc/doc_stack_page.dart

@@ -1,7 +1,6 @@
 import 'package:app_flowy/startup/startup.dart';
 import 'package:app_flowy/workspace/application/doc/doc_bloc.dart';
 import 'package:app_flowy/workspace/domain/page_stack/page_stack.dart';
-import 'package:app_flowy/workspace/presentation/doc/doc_page.dart';
 import 'package:flowy_log/flowy_log.dart';
 import 'package:flowy_infra_ui/widget/error_page.dart';
 import 'package:flowy_sdk/protobuf/flowy-workspace/view_create.pb.dart';
@@ -9,9 +8,31 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flowy_infra_ui/style_widget/progress_indicator.dart';
 
-class DocStackPage extends HomeStackWidget {
-  const DocStackPage({Key? key, required DocPageStackView stackView})
-      : super(key: key, stackView: stackView);
+import 'doc_page.dart';
+
+class DocStackContext extends HomeStackContext {
+  final View _view;
+  DocStackContext({required View view, Key? key}) : _view = view;
+
+  @override
+  String get title => _view.name;
+  @override
+  String get identifier => _view.id;
+  @override
+  ViewType get type => _view.viewType;
+
+  @override
+  List<Object?> get props => [_view.id];
+
+  @override
+  Widget render() {
+    return DocStackPage(_view, key: ValueKey(_view.id));
+  }
+}
+
+class DocStackPage extends StatefulWidget {
+  final View view;
+  const DocStackPage(this.view, {Key? key}) : super(key: key);
 
   @override
   _DocStackPageState createState() => _DocStackPageState();
@@ -20,15 +41,12 @@ class DocStackPage extends HomeStackWidget {
 class _DocStackPageState extends State<DocStackPage> {
   @override
   Widget build(BuildContext context) {
-    final stackView = widget.stackView as DocPageStackView;
     return MultiBlocProvider(
       providers: [
         BlocProvider<DocBloc>(
-            create: (context) => getIt<DocBloc>(param1: stackView.view.id)
-              ..add(const DocEvent.loadDoc())),
+            create: (context) => getIt<DocBloc>(param1: widget.view.id)..add(const DocEvent.loadDoc())),
       ],
       child: BlocBuilder<DocBloc, DocState>(builder: (context, state) {
-        assert(widget.stackView is DocPageStackView);
         return state.map(
           loading: (_) => const FlowyProgressIndicator(),
           loadDoc: (s) => DocPage(doc: s.doc),
@@ -56,16 +74,3 @@ class _DocStackPageState extends State<DocStackPage> {
     super.didUpdateWidget(oldWidget);
   }
 }
-
-class DocPageStackView extends HomeStackView {
-  final View view;
-  DocPageStackView(this.view)
-      : super(
-          type: view.viewType,
-          title: view.name,
-          identifier: view.id,
-        );
-
-  @override
-  List<Object> get props => [view.id, type];
-}

app_flowy/lib/workspace/presentation/widgets/home_stack_page.dart

@@ -1,7 +0,0 @@
-import 'package:app_flowy/workspace/domain/page_stack/page_stack.dart';
-import 'package:flutter/material.dart';
-
-abstract class HomeStackPage extends StatefulWidget {
-  final HomeStackView pageContext;
-  const HomeStackPage({Key? key, required this.pageContext}) : super(key: key);
-}

app_flowy/lib/workspace/presentation/widgets/home_top_bar.dart

@@ -2,7 +2,7 @@ import 'package:app_flowy/startup/startup.dart';
 import 'package:app_flowy/workspace/domain/image.dart';
 import 'package:app_flowy/workspace/domain/page_stack/page_stack.dart';
 import 'package:app_flowy/workspace/presentation/home/home_sizes.dart';
-import 'package:app_flowy/workspace/presentation/home/navigation_list.dart';
+import 'package:app_flowy/workspace/presentation/home/navigation.dart';
 import 'package:flowy_infra_ui/widget/rounded_button.dart';
 import 'package:flowy_infra_ui/widget/spacing.dart';
 import 'package:flowy_sdk/protobuf/flowy-workspace/view_create.pb.dart';
@@ -13,7 +13,7 @@ import 'package:flowy_infra_ui/style_widget/extension.dart';
 import 'package:flowy_infra_ui/style_widget/text.dart';
 
 class HomeTopBar extends StatelessWidget {
-  final HomeStackView view;
+  final HomeStackContext view;
   const HomeTopBar({Key? key, required this.view}) : super(key: key);
 
   @override
@@ -23,7 +23,7 @@ class HomeTopBar extends StatelessWidget {
       child: Row(
         crossAxisAlignment: CrossAxisAlignment.center,
         children: [
-          _renderNavigationList(view),
+          _renderNavigation(view),
           const Spacer(),
           _renderShareButton(),
           _renderMoreButton(),
@@ -52,15 +52,14 @@ class HomeTopBar extends StatelessWidget {
 
   Widget _renderMoreButton() {
     return ViewMoreButton(
-      width: 24,
       onPressed: () {
         debugPrint('show more');
       },
     );
   }
 
-  Widget _renderNavigationList(HomeStackView view) {
-    return const StyledNavigationList();
+  Widget _renderNavigation(HomeStackContext view) {
+    return const FlowyNavigation();
   }
 }
 
@@ -89,12 +88,12 @@ class HomeTitle extends StatelessWidget {
 }
 
 class ViewNaviItemImpl extends NaviItem {
-  final HomeStackView view;
+  final HomeStackContext view;
 
   ViewNaviItemImpl(this.view);
 
   @override
-  NaviAction get action => () => getIt<HomePageStack>().setStackView(view);
+  NaviAction get action => () => getIt<HomeStack>().setStack(view);
 
   @override
   String get identifier => view.identifier;

app_flowy/lib/workspace/presentation/widgets/menu/menu_page.dart

@@ -20,7 +20,7 @@ import 'widget/app/app.dart';
 import 'widget/app/create_button.dart';
 
 class HomeMenu extends StatelessWidget {
-  final Function(HomeStackView?) pageContextChanged;
+  final Function(HomeStackContext) pageContextChanged;
   final Function(bool) isCollapseChanged;
   final UserProfile user;
   final String workspaceId;
@@ -46,8 +46,8 @@ class HomeMenu extends StatelessWidget {
       child: MultiBlocListener(
         listeners: [
           BlocListener<MenuBloc, MenuState>(
-            listenWhen: (p, c) => p.stackView != c.stackView,
-            listener: (context, state) => pageContextChanged(state.stackView),
+            listenWhen: (p, c) => p.context != c.context,
+            listener: (context, state) => pageContextChanged(state.context),
           ),
           BlocListener<MenuBloc, MenuState>(
             listenWhen: (p, c) => p.isCollapse != c.isCollapse,

app_flowy/lib/workspace/presentation/widgets/menu/widget/app/app.dart

@@ -11,19 +11,18 @@ import 'package:app_flowy/workspace/application/app/app_watch_bloc.dart';
 import 'package:app_flowy/workspace/presentation/widgets/menu/menu_list.dart';
 import 'package:provider/provider.dart';
 import 'package:styled_widget/styled_widget.dart';
-
-import 'view/view_list.dart';
+import 'section/section.dart';
 
 class AppPageSize {
   static double expandedIconSize = 16;
-  static double expandedIconRightSpace = 6;
+  static double expandedIconPadding = 6;
   static double scale = 1;
-  static double get expandedPadding => expandedIconSize * scale + expandedIconRightSpace;
+  static double get expandedPadding => expandedIconSize * scale + expandedIconPadding;
 }
 
 class AppPageContext {
   final App app;
-  final viewListData = ViewListData();
+  final viewListData = ViewSectionData();
 
   AppPageContext(
     this.app,
@@ -55,9 +54,9 @@ class AppPage extends MenuItem {
         builder: (context, state) {
           final child = state.map(
             initial: (_) => BlocBuilder<AppBloc, AppState>(
-              builder: (context, state) => _renderViewList(state.views),
+              builder: (context, state) => _renderViewSection(state.views),
             ),
-            loadViews: (s) => _renderViewList(s.views),
+            loadViews: (s) => _renderViewSection(s.views),
             loadFail: (s) => FlowyErrorPage(s.error.toString()),
           );
 
@@ -93,14 +92,14 @@ class AppPage extends MenuItem {
     );
   }
 
-  Widget _renderViewList(List<View>? views) {
+  Widget _renderViewSection(List<View>? views) {
     appCtx.viewListData.views = views ?? List.empty(growable: false);
     return MultiProvider(
       providers: [
         ChangeNotifierProvider.value(value: appCtx.viewListData),
       ],
-      child: Consumer(builder: (context, ViewListData notifier, child) {
-        return ViewListPage(notifier.views).padding(vertical: 8);
+      child: Consumer(builder: (context, ViewSectionData notifier, child) {
+        return ViewSection(notifier.views).padding(vertical: 8);
       }),
     );
   }

app_flowy/lib/workspace/presentation/widgets/menu/widget/app/header.dart

@@ -1,7 +1,7 @@
 import 'package:app_flowy/workspace/application/app/app_bloc.dart';
 import 'package:expandable/expandable.dart';
-import 'package:flowy_infra/image.dart';
 import 'package:flowy_infra/theme.dart';
+import 'package:flowy_infra_ui/style_widget/icon_button.dart';
 import 'package:flowy_infra_ui/style_widget/text.dart';
 import 'package:flowy_infra_ui/widget/spacing.dart';
 import 'package:flowy_infra/flowy_icon_data_icons.dart';
@@ -9,6 +9,7 @@ import 'package:flowy_sdk/protobuf/flowy-workspace/app_create.pb.dart';
 import 'package:flowy_sdk/protobuf/flowy-workspace/view_create.pb.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:styled_widget/styled_widget.dart';
 
 import 'app.dart';
 
@@ -43,7 +44,7 @@ class AppHeader extends StatelessWidget {
               ),
             ),
           ),
-          HSpace(AppPageSize.expandedIconRightSpace),
+          HSpace(AppPageSize.expandedIconPadding),
           Expanded(
               child: GestureDetector(
             onTapDown: (_) {
@@ -55,21 +56,20 @@ class AppHeader extends StatelessWidget {
             ),
           )),
 
-          // FlowyIconButton(
-          //   icon: const Icon(Icons.add),
-          //   onPressed: () {
-          //     debugPrint('add view');
-          //     FlowyOverlay.of(context)
-          //         .insert(widget: Text('test'), identifier: 'identifier');
-          //   },
-          // ),
-          PopupMenuButton(
-              iconSize: 16,
-              tooltip: 'create new view',
-              icon: svg("home/add"),
-              padding: EdgeInsets.zero,
-              onSelected: (viewType) => _createView(viewType as ViewType, context),
-              itemBuilder: (context) => menuItemBuilder())
+          ViewAddButton(
+            onPressed: () {
+              debugPrint('add view');
+              // FlowyOverlay.of(context)
+              //     .insert(widget: Text('test'), identifier: 'identifier');
+            },
+          ).padding(right: AppPageSize.expandedIconPadding),
+          // PopupMenuButton(
+          //     iconSize: 16,
+          //     tooltip: 'create new view',
+          //     icon: svg("home/add"),
+          //     padding: EdgeInsets.zero,
+          //     onSelected: (viewType) => _createView(viewType as ViewType, context),
+          //     itemBuilder: (context) => menuItemBuilder())
         ],
       ),
     );

app_flowy/lib/workspace/presentation/widgets/menu/widget/app/view/view_page.dart → app_flowy/lib/workspace/presentation/widgets/menu/widget/app/section/item.dart

@@ -20,11 +20,11 @@ class ViewWidgetContext {
 
 typedef OpenViewCallback = void Function(View);
 
-class ViewPage extends StatelessWidget {
+class ViewSectionItem extends StatelessWidget {
   final ViewWidgetContext viewCtx;
   final bool isSelected;
   final OpenViewCallback onOpen;
-  ViewPage({Key? key, required this.viewCtx, required this.onOpen, required this.isSelected})
+  ViewSectionItem({Key? key, required this.viewCtx, required this.onOpen, required this.isSelected})
       : super(key: viewCtx.valueKey());
 
   @override
@@ -57,7 +57,6 @@ class ViewPage extends StatelessWidget {
     if (onHover) {
       children.add(const Spacer());
       children.add(ViewMoreButton(
-        width: 16,
         onPressed: () {
           debugPrint('show view setting');
         },
@@ -67,7 +66,7 @@ class ViewPage extends StatelessWidget {
     Widget widget = Container(
       child: Row(children: children).padding(
         left: AppPageSize.expandedPadding,
-        right: 12,
+        right: AppPageSize.expandedIconPadding,
       ),
       height: 24,
       alignment: Alignment.centerLeft,

app_flowy/lib/workspace/presentation/widgets/menu/widget/app/view/view_list.dart → app_flowy/lib/workspace/presentation/widgets/menu/widget/app/section/section.dart

@@ -6,12 +6,11 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:provider/provider.dart';
 import 'package:app_flowy/startup/startup.dart';
 import 'package:app_flowy/workspace/domain/page_stack/page_stack.dart';
+import 'item.dart';
 
-import 'view_page.dart';
-
-class ViewListData extends ChangeNotifier {
+class ViewSectionData extends ChangeNotifier {
   List<View>? innerViews;
-  ViewListData();
+  ViewSectionData();
 
   set views(List<View> views) {
     innerViews = views;
@@ -21,10 +20,10 @@ class ViewListData extends ChangeNotifier {
   List<View> get views => innerViews ?? [];
 }
 
-class ViewListNotifier with ChangeNotifier {
+class ViewSectionNotifier with ChangeNotifier {
   List<View> innerViews;
   View? _selectedView;
-  ViewListNotifier(this.innerViews);
+  ViewSectionNotifier(this.innerViews);
 
   set views(List<View> views) => innerViews = views;
   List<View> get views => innerViews;
@@ -36,51 +35,51 @@ class ViewListNotifier with ChangeNotifier {
 
   View? get selectedView => _selectedView;
 
-  void update(ViewListData notifier) {
+  void update(ViewSectionData notifier) {
     innerViews = notifier.views;
     notifyListeners();
   }
 }
 
-class ViewListPage extends StatelessWidget {
+class ViewSection extends StatelessWidget {
   final List<View> views;
-  const ViewListPage(this.views, {Key? key}) : super(key: key);
+  const ViewSection(this.views, {Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     // The ViewListNotifier will be updated after ViewListData changed passed by parent widget
-    return ChangeNotifierProxyProvider<ViewListData, ViewListNotifier>(
-      create: (_) => ViewListNotifier(
-        Provider.of<ViewListData>(
+    return ChangeNotifierProxyProvider<ViewSectionData, ViewSectionNotifier>(
+      create: (_) => ViewSectionNotifier(
+        Provider.of<ViewSectionData>(
           context,
           listen: false,
         ).views,
       ),
       update: (_, notifier, controller) => controller!..update(notifier),
-      child: Consumer(builder: (context, ViewListNotifier notifier, child) {
-        return _renderViews(context, notifier.views);
+      child: Consumer(builder: (context, ViewSectionNotifier notifier, child) {
+        return _renderItems(context, notifier.views);
       }),
     );
   }
 
-  Widget _renderViews(BuildContext context, List<View> views) {
+  Widget _renderItems(BuildContext context, List<View> views) {
     var viewWidgets = views.map((view) {
       final viewCtx = ViewWidgetContext(view);
 
-      final viewWidget = ViewPage(
+      final item = ViewSectionItem(
         viewCtx: viewCtx,
         isSelected: _isViewSelected(context, view.id),
         onOpen: (view) {
           Log.debug("Open view: $view");
-          context.read<ViewListNotifier>().setSelectedView(view);
-          final stackView = stackViewFromView(viewCtx.view);
-          getIt<HomePageStack>().setStackView(stackView);
+          context.read<ViewSectionNotifier>().setSelectedView(view);
+          final stackView = stackCtxFromView(viewCtx.view);
+          getIt<HomeStack>().setStack(stackView);
         },
       );
 
       return Padding(
         padding: const EdgeInsets.symmetric(vertical: 4),
-        child: viewWidget,
+        child: item,
       );
     }).toList(growable: false);
 
@@ -90,7 +89,7 @@ class ViewListPage extends StatelessWidget {
   }
 
   bool _isViewSelected(BuildContext context, String viewId) {
-    final view = context.read<ViewListNotifier>().selectedView;
+    final view = context.read<ViewSectionNotifier>().selectedView;
     if (view != null) {
       return view.id == viewId;
     } else {

app_flowy/lib/workspace/presentation/widgets/menu/widget/favorite.dart

@@ -1,14 +0,0 @@
-import 'package:flutter/material.dart';
-import '../menu_list.dart';
-
-class MenuFav extends MenuItem {
-  @override
-  Widget build(BuildContext context) {
-    // TODO: implement build
-    throw UnimplementedError();
-  }
-
-  @override
-  // TODO: implement type
-  MenuItemType get type => throw UnimplementedError();
-}

app_flowy/lib/workspace/presentation/widgets/menu/widget/favorite/header.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+import '../../menu_list.dart';
+
+class FavoriteHeader extends MenuItem {
+  const FavoriteHeader({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    throw UnimplementedError();
+  }
+
+  @override
+  MenuItemType get type => MenuItemType.favorites;
+}

app_flowy/lib/workspace/presentation/widgets/menu/widget/user.dart

@@ -1,7 +1,6 @@
 import 'package:app_flowy/startup/startup.dart';
 import 'package:app_flowy/workspace/application/menu/menu_user_bloc.dart';
 import 'package:app_flowy/workspace/presentation/widgets/menu/menu_list.dart';
-import 'package:flowy_infra/image.dart';
 import 'package:flowy_infra_ui/widget/spacing.dart';
 import 'package:flowy_sdk/protobuf/flowy-user/user_profile.pb.dart';
 import 'package:flutter/material.dart';
@@ -16,8 +15,7 @@ class MenuUser extends MenuItem {
   @override
   Widget build(BuildContext context) {
     return BlocProvider<MenuUserBloc>(
-      create: (context) =>
-          getIt<MenuUserBloc>(param1: user)..add(const MenuUserEvent.initial()),
+      create: (context) => getIt<MenuUserBloc>(param1: user)..add(const MenuUserEvent.initial()),
       child: BlocBuilder<MenuUserBloc, MenuUserState>(
         builder: (context, state) => Row(
           children: [
@@ -56,10 +54,7 @@ class MenuUser extends MenuItem {
   }
 
   Widget _renderDropButton(BuildContext context) {
-    return FlowyIconButton(
-      width: 20,
-      iconRatio: 1.0,
-      icon: svg("home/drop_down_show"),
+    return FlowyDropdownButton(
       onPressed: () {
         debugPrint('show user profile');
       },

app_flowy/lib/workspace/presentation/widgets/prelude.dart

@@ -1,4 +1,4 @@
-export './blank_page.dart';
+export '../stack_page/blank/blank_page.dart';
 export './edit_pannel/edit_pannel.dart';
 export './edit_pannel/pannel_animation.dart';
 export './home_top_bar.dart';

app_flowy/packages/flowy_infra_ui/lib/style_widget/icon_button.dart

@@ -4,7 +4,6 @@ import 'package:flutter/material.dart';
 class FlowyIconButton extends StatelessWidget {
   final double width;
   final double? height;
-  final double iconRatio;
   final Widget icon;
   final VoidCallback? onPressed;
 
@@ -14,7 +13,6 @@ class FlowyIconButton extends StatelessWidget {
     this.onPressed,
     this.width = 30,
     required this.icon,
-    this.iconRatio = 0.5,
   }) : super(key: key);
 
   @override
@@ -25,7 +23,7 @@ class FlowyIconButton extends StatelessWidget {
       child: IconButton(
         icon: icon,
         padding: EdgeInsets.zero,
-        iconSize: width * iconRatio,
+        iconSize: width,
         alignment: Alignment.center,
         onPressed: onPressed,
       ),
@@ -33,25 +31,53 @@ class FlowyIconButton extends StatelessWidget {
   }
 }
 
-class ViewMoreButton extends StatelessWidget {
-  final double width;
-  final double? height;
+class FlowyDropdownButton extends StatelessWidget {
   final VoidCallback? onPressed;
+  const FlowyDropdownButton({
+    Key? key,
+    this.onPressed,
+  }) : super(key: key);
 
+  @override
+  Widget build(BuildContext context) {
+    return FlowyIconButton(
+      width: 16,
+      onPressed: onPressed,
+      icon: svg("home/drop_down_show"),
+    );
+  }
+}
+
+class ViewAddButton extends StatelessWidget {
+  final VoidCallback? onPressed;
+  const ViewAddButton({
+    Key? key,
+    this.onPressed,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return FlowyIconButton(
+      width: 16,
+      onPressed: onPressed,
+      icon: svg("home/add"),
+    );
+  }
+}
+
+class ViewMoreButton extends StatelessWidget {
+  final VoidCallback? onPressed;
   const ViewMoreButton({
     Key? key,
-    this.height,
     this.onPressed,
-    required this.width,
   }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return FlowyIconButton(
-      width: width,
-      height: height,
-      icon: svg("editor/details"),
+      width: 16,
       onPressed: onPressed,
+      icon: svg("editor/details"),
     );
   }
 }