mirror of
https://github.com/Dr-Blank/Vaani.git
synced 2026-02-16 22:39:34 +00:00
343 lines
13 KiB
Dart
343 lines
13 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:miniplayer/miniplayer.dart';
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import 'package:vaani/api/library_provider.dart' show currentLibraryProvider;
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import 'package:vaani/features/explore/providers/search_controller.dart';
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import 'package:vaani/features/player/providers/player_form.dart';
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import 'package:vaani/features/player/view/audiobook_player.dart';
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import 'package:vaani/features/player/view/player_when_expanded.dart';
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import 'package:vaani/features/you/view/widgets/library_switch_chip.dart';
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import 'package:vaani/generated/l10n.dart';
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import 'package:vaani/main.dart';
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import 'package:vaani/router/router.dart';
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import 'package:vaani/shared/icons/abs_icons.dart' show AbsIcons;
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// stack to track changes in navigationShell.currentIndex
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// home is always at index 0 and at the start and should be the last before popping
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// if stack is empty, push home, if already contains home, pop it
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final Set<int> navigationShellStack = {};
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const bottomBarHeight = 64;
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/// Builds the "shell" for the app by building a Scaffold with a
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/// BottomNavigationBar, where [child] is placed in the body of the Scaffold.
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class ScaffoldWithNavBar extends HookConsumerWidget {
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/// Constructs an [ScaffoldWithNavBar].
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const ScaffoldWithNavBar({
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required this.navigationShell,
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Key? key,
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}) : super(key: key ?? const ValueKey<String>('ScaffoldWithNavBar'));
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/// The navigation shell and container for the branch Navigators.
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final StatefulNavigationShell navigationShell;
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final playerProgress = ref.watch(playerHeightProvider);
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final isMobile = Platform.isFuchsia || Platform.isAndroid || Platform.isIOS;
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onBackButtonPressed() async {
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final isPlayerExpanded = playerProgress != playerMinHeight;
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appLogger.fine(
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'BackButtonListener: Back button pressed, isPlayerExpanded: $isPlayerExpanded, stack: $navigationShellStack, pendingPlayerModals: $pendingPlayerModals',
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);
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// close miniplayer if it is open
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if (isPlayerExpanded && pendingPlayerModals == 0) {
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appLogger.fine(
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'BackButtonListener: closing the player',
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);
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audioBookMiniplayerController.animateToHeight(state: PanelState.MIN);
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return true;
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}
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// do the the following only if the current branch has nothing to pop
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final canPop = GoRouter.of(context).canPop();
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if (canPop) {
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appLogger.fine(
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'BackButtonListener: passing it to the router as canPop is true',
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);
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return false;
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}
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if (navigationShellStack.isNotEmpty) {
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// pop the last index from the stack and navigate to it
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final index = navigationShellStack.last;
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navigationShellStack.remove(index);
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appLogger.fine('BackButtonListener: popping the stack, index: $index');
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// if the stack is empty, navigate to home else navigate to the last index
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if (navigationShellStack.isNotEmpty) {
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navigationShell.goBranch(navigationShellStack.last);
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return true;
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}
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}
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if (navigationShell.currentIndex != 0) {
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// if the stack is empty and the current branch is not home, navigate to home
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appLogger.fine('BackButtonListener: navigating to home');
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navigationShell.goBranch(0);
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return true;
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}
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appLogger.fine('BackButtonListener: passing it to the router');
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return false;
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}
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// TODO: Implement a better way to handle back button presses to minimize player
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return BackButtonListener(
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onBackButtonPressed: onBackButtonPressed,
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child: Scaffold(
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body: Stack(
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children: [
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isMobile ? navigationShell : buildNavLeft(context, ref),
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const AudiobookPlayer(),
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],
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),
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bottomNavigationBar: isMobile ? buildNavBottom(context, ref) : null,
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),
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);
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}
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Widget buildNavLeft(BuildContext context, WidgetRef ref) {
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final isPlayerActive = ref.watch(isPlayerActiveProvider);
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return Padding(
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padding: EdgeInsets.only(bottom: isPlayerActive ? playerMinHeight : 0),
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child: Row(
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children: [
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SafeArea(
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child: NavigationRail(
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minWidth: 60,
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minExtendedWidth: 120,
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extended: MediaQuery.of(context).size.width > 640,
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// extended: false,
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destinations: _navigationItems(context).map((item) {
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final isDestinationLibrary = item.name == S.of(context).library;
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var currentLibrary = ref.watch(currentLibraryProvider).valueOrNull;
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final libraryIcon = AbsIcons.getIconByName(
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currentLibrary?.icon,
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);
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final destinationWidget = NavigationRailDestination(
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icon: Icon(
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isDestinationLibrary ? libraryIcon ?? item.icon : item.icon,
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),
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selectedIcon: Icon(
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isDestinationLibrary ? libraryIcon ?? item.activeIcon : item.activeIcon,
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),
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label: Text(isDestinationLibrary ? currentLibrary?.name ?? item.name : item.name),
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// tooltip: item.tooltip,
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);
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// if (isDestinationLibrary) {
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// return GestureDetector(
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// onSecondaryTap: () => showLibrarySwitcher(context, ref),
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// onDoubleTap: () => showLibrarySwitcher(context, ref),
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// child:
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// destinationWidget, // Wrap the actual NavigationDestination
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// );
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// } else {
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// // Return the unwrapped destination for other items
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// return destinationWidget;
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// }
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return destinationWidget;
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// return NavigationRailDestination(icon: Icon(nav.icon), label: Text(nav.name));
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}).toList(),
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selectedIndex: navigationShell.currentIndex,
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onDestinationSelected: (int index) {
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print(index);
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_onTap(context, index, ref);
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},
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),
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),
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VerticalDivider(width: 0.5, thickness: 0.5),
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Expanded(
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child: navigationShell,
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),
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],
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),
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);
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}
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Widget buildNavBottom(BuildContext context, WidgetRef ref) {
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// playerExpandProgress is used to animate bottom navigation bar to opacity 0 and slide down when player is expanded
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// final playerProgress =
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// useValueListenable(ref.watch(playerExpandProgressNotifierProvider));
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final playerProgress = ref.watch(playerHeightProvider);
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final playerMaxHeight = MediaQuery.of(context).size.height;
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var percentExpandedMiniPlayer =
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(playerProgress - playerMinHeight) / (playerMaxHeight - playerMinHeight);
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// Clamp the value between 0 and 1
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percentExpandedMiniPlayer = percentExpandedMiniPlayer.clamp(0.0, 1.0);
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return Opacity(
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// Opacity is interpolated from 1 to 0 when player is expanded
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opacity: 1 - percentExpandedMiniPlayer,
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child: NavigationBar(
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elevation: 0.0,
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height: bottomBarHeight * (1 - percentExpandedMiniPlayer),
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// TODO: get destinations from the navigationShell
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// Here, the items of BottomNavigationBar are hard coded. In a real
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// world scenario, the items would most likely be generated from the
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// branches of the shell route, which can be fetched using
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// `navigationShell.route.branches`.
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destinations: _navigationItems(context).map((item) {
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final isDestinationLibrary = item.name == S.of(context).library;
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var currentLibrary = ref.watch(currentLibraryProvider).valueOrNull;
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final libraryIcon = AbsIcons.getIconByName(
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currentLibrary?.icon,
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);
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final destinationWidget = NavigationDestination(
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icon: Icon(
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isDestinationLibrary ? libraryIcon ?? item.icon : item.icon,
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),
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selectedIcon: Icon(
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isDestinationLibrary ? libraryIcon ?? item.activeIcon : item.activeIcon,
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),
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label: isDestinationLibrary ? currentLibrary?.name ?? item.name : item.name,
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tooltip: item.tooltip,
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);
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if (isDestinationLibrary) {
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return GestureDetector(
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onSecondaryTap: () => showLibrarySwitcher(context, ref),
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onDoubleTap: () => showLibrarySwitcher(context, ref),
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child: destinationWidget, // Wrap the actual NavigationDestination
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);
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} else {
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// Return the unwrapped destination for other items
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return destinationWidget;
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}
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}).toList(),
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selectedIndex: navigationShell.currentIndex,
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onDestinationSelected: (int index) => _onTap(context, index, ref),
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),
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);
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}
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List<_NavigationItem> _navigationItems(BuildContext context) {
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return [
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_NavigationItem(
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// name: 'Home',
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name: S.of(context).home,
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icon: Icons.home_outlined,
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activeIcon: Icons.home,
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),
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// Library
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_NavigationItem(
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// name: 'Library',
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name: S.of(context).library,
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icon: Icons.book_outlined,
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activeIcon: Icons.book,
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// tooltip: 'Browse your library',
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tooltip: S.of(context).libraryTooltip,
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),
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_NavigationItem(
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// name: 'Explore',
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name: S.of(context).explore,
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icon: Icons.search_outlined,
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activeIcon: Icons.search,
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// tooltip: 'Search and Explore',
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tooltip: S.of(context).exploreTooltip,
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),
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_NavigationItem(
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// name: 'You',
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name: S.of(context).you,
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icon: Icons.account_circle_outlined,
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activeIcon: Icons.account_circle,
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// tooltip: 'Your Profile and Settings',
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tooltip: S.of(context).youTooltip,
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),
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];
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}
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/// Navigate to the current location of the branch at the provided index when
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/// tapping an item in the BottomNavigationBar.
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void _onTap(BuildContext context, int index, WidgetRef ref) {
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// When navigating to a new branch, it's recommended to use the goBranch
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// method, as doing so makes sure the last navigation state of the
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// Navigator for the branch is restored.
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navigationShell.goBranch(
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index,
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// A common pattern when using bottom navigation bars is to support
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// navigating to the initial location when tapping the item that is
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// already active. This example demonstrates how to support this behavior,
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// using the initialLocation parameter of goBranch.
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initialLocation: index == navigationShell.currentIndex,
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);
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// add the index to the stack but remove it if it is already there
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if (navigationShellStack.contains(index)) {
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navigationShellStack.remove(index);
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}
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navigationShellStack.add(index);
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appLogger.fine('Tapped index: $index, stack: $navigationShellStack');
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// Check if the current branch is the same as the branch that was tapped.
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if (index == navigationShell.currentIndex) {
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appLogger.fine('Tapped the current branch');
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// if current branch is explore, open the search view
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if (index == 2) {
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final searchController = ref.read(globalSearchControllerProvider);
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// open the search view if not already open
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if (!searchController.isOpen) {
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searchController.openView();
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} else {
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searchController.closeView(null);
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}
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}
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// open settings page if the current branch is you
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if (index == 3) {
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// do not open settings page if it is already open
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if (GoRouterState.of(context).topRoute?.name != Routes.settings.name) {
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GoRouter.of(context).pushNamed(Routes.settings.name);
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}
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}
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}
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}
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}
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// list of constants with names and icons so that they can be used in the bottom navigation bar
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// and reused for nav rail and other places
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// const _navigationItems = [
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// _NavigationItem(
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// name: 'Home',
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// icon: Icons.home_outlined,
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// activeIcon: Icons.home,
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// ),
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// // Library
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// _NavigationItem(
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// name: 'Library',
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// icon: Icons.book_outlined,
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// activeIcon: Icons.book,
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// tooltip: 'Browse your library',
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// ),
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// _NavigationItem(
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// name: 'Explore',
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// icon: Icons.search_outlined,
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// activeIcon: Icons.search,
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// tooltip: 'Search and Explore',
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// ),
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// _NavigationItem(
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// name: 'You',
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// icon: Icons.account_circle_outlined,
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// activeIcon: Icons.account_circle,
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// tooltip: 'Your Profile and Settings',
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// ),
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// ];
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class _NavigationItem {
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const _NavigationItem({
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required this.name,
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required this.icon,
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required this.activeIcon,
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this.tooltip,
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});
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final String name;
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final IconData icon;
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final IconData activeIcon;
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final String? tooltip;
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}
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