mirror of
https://github.com/immich-app/immich.git
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fb8be51ff2
Stop advancing to next asset on video ended
301 lines
11 KiB
Dart
301 lines
11 KiB
Dart
import 'package:auto_route/auto_route.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:immich_mobile/modules/memories/models/memory.dart';
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import 'package:immich_mobile/modules/memories/ui/memory_bottom_info.dart';
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import 'package:immich_mobile/modules/memories/ui/memory_card.dart';
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import 'package:immich_mobile/modules/memories/ui/memory_epilogue.dart';
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import 'package:immich_mobile/modules/memories/ui/memory_progress_indicator.dart';
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import 'package:immich_mobile/shared/models/asset.dart';
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import 'package:immich_mobile/shared/ui/immich_image.dart';
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import 'package:openapi/api.dart' as api;
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@RoutePage()
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class MemoryPage extends HookConsumerWidget {
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final List<Memory> memories;
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final int memoryIndex;
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const MemoryPage({
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required this.memories,
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required this.memoryIndex,
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super.key,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final currentMemory = useState(memories[memoryIndex]);
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final currentAssetPage = useState(0);
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final currentMemoryIndex = useState(memoryIndex);
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final assetProgress = useState(
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"${currentAssetPage.value + 1}|${currentMemory.value.assets.length}",
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);
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const bgColor = Colors.black;
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/// The list of all of the asset page controllers
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final memoryAssetPageControllers =
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List.generate(memories.length, (i) => usePageController());
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/// The main vertically scrolling page controller with each list of memories
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final memoryPageController = usePageController(initialPage: memoryIndex);
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// The Page Controller that scrolls horizontally with all of the assets
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useEffect(() {
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// Memories is an immersive activity
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SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersive);
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return null;
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});
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toNextMemory() {
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memoryPageController.nextPage(
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duration: const Duration(milliseconds: 500),
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curve: Curves.easeIn,
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);
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}
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toNextAsset(int currentAssetIndex) {
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if (currentAssetIndex + 1 < currentMemory.value.assets.length) {
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// Go to the next asset
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PageController controller =
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memoryAssetPageControllers[currentMemoryIndex.value];
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controller.nextPage(
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curve: Curves.easeInOut,
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duration: const Duration(milliseconds: 500),
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);
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} else {
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// Go to the next memory since we are at the end of our assets
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toNextMemory();
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}
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}
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updateProgressText() {
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assetProgress.value =
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"${currentAssetPage.value + 1}|${currentMemory.value.assets.length}";
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}
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/// Downloads and caches the image for the asset at this [currentMemory]'s index
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precacheAsset(int index) async {
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// Guard index out of range
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if (index < 0) {
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return;
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}
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// Context might be removed due to popping out of Memory Lane during Scroll handling
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if (!context.mounted) {
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return;
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}
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late Asset asset;
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if (index < currentMemory.value.assets.length) {
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// Uses the next asset in this current memory
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asset = currentMemory.value.assets[index];
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} else {
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// Precache the first asset in the next memory if available
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final currentMemoryIndex = memories.indexOf(currentMemory.value);
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// Guard no memory found
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if (currentMemoryIndex == -1) {
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return;
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}
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final nextMemoryIndex = currentMemoryIndex + 1;
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// Guard no next memory
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if (nextMemoryIndex >= memories.length) {
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return;
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}
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// Get the first asset from the next memory
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asset = memories[nextMemoryIndex].assets.first;
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}
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// Gets the thumbnail url and precaches it
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final precaches = <Future<dynamic>>[];
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precaches.add(
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ImmichImage.precacheAsset(
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asset,
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context,
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type: api.ThumbnailFormat.WEBP,
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size: 2048,
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),
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);
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precaches.add(
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ImmichImage.precacheAsset(
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asset,
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context,
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type: api.ThumbnailFormat.JPEG,
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size: 2048,
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),
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);
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await Future.wait(precaches);
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}
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// Precache the next page right away if we are on the first page
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if (currentAssetPage.value == 0) {
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Future.delayed(const Duration(milliseconds: 200))
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.then((_) => precacheAsset(1));
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}
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onAssetChanged(int otherIndex) {
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HapticFeedback.selectionClick();
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currentAssetPage.value = otherIndex;
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precacheAsset(otherIndex + 1);
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updateProgressText();
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}
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/* Notification listener is used instead of OnPageChanged callback since OnPageChanged is called
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* when the page in the **center** of the viewer changes. We want to reset currentAssetPage only when the final
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* page during the end of scroll is different than the current page
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*/
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return NotificationListener<ScrollNotification>(
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onNotification: (ScrollNotification notification) {
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// Calculate OverScroll manually using the number of pixels away from maxScrollExtent
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// maxScrollExtend contains the sum of horizontal pixels of all assets for depth = 1
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// or sum of vertical pixels of all memories for depth = 0
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if (notification is ScrollUpdateNotification) {
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final isEpiloguePage =
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(memoryPageController.page?.floor() ?? 0) >= memories.length;
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final offset = notification.metrics.pixels;
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if (isEpiloguePage &&
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(offset > notification.metrics.maxScrollExtent + 150)) {
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context.popRoute();
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return true;
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}
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}
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return false;
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},
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child: Scaffold(
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backgroundColor: bgColor,
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body: PopScope(
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onPopInvoked: (didPop) {
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// Remove immersive mode and go back to normal mode
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SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
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},
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child: SafeArea(
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child: PageView.builder(
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physics: const BouncingScrollPhysics(
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parent: AlwaysScrollableScrollPhysics(),
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),
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scrollDirection: Axis.vertical,
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controller: memoryPageController,
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onPageChanged: (pageNumber) {
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HapticFeedback.mediumImpact();
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if (pageNumber < memories.length) {
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currentMemoryIndex.value = pageNumber;
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currentMemory.value = memories[pageNumber];
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}
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currentAssetPage.value = 0;
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updateProgressText();
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},
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itemCount: memories.length + 1,
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itemBuilder: (context, mIndex) {
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// Build last page
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if (mIndex == memories.length) {
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return MemoryEpilogue(
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onStartOver: () => memoryPageController.animateToPage(
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0,
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duration: const Duration(seconds: 1),
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curve: Curves.easeInOut,
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),
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);
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}
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// Build horizontal page
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final assetController = memoryAssetPageControllers[mIndex];
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return Column(
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children: [
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Padding(
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padding: const EdgeInsets.only(
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left: 24.0,
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right: 24.0,
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top: 8.0,
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bottom: 2.0,
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),
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child: AnimatedBuilder(
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animation: assetController,
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builder: (context, child) {
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double value = 0.0;
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if (assetController.hasClients) {
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// We can only access [page] if this has clients
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value = assetController.page ?? 0;
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}
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return MemoryProgressIndicator(
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ticks: memories[mIndex].assets.length,
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value: (value + 1) / memories[mIndex].assets.length,
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);
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},
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),
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),
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Expanded(
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child: Stack(
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children: [
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PageView.builder(
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physics: const BouncingScrollPhysics(
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parent: AlwaysScrollableScrollPhysics(),
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),
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controller: assetController,
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onPageChanged: onAssetChanged,
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scrollDirection: Axis.horizontal,
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itemCount: memories[mIndex].assets.length,
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itemBuilder: (context, index) {
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final asset = memories[mIndex].assets[index];
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return GestureDetector(
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behavior: HitTestBehavior.translucent,
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onTap: () {
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toNextAsset(index);
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},
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child: Container(
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color: Colors.black,
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child: MemoryCard(
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asset: asset,
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title: memories[mIndex].title,
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showTitle: index == 0,
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),
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),
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);
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},
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),
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Positioned(
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top: 8,
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left: 8,
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child: MaterialButton(
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minWidth: 0,
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onPressed: () {
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// auto_route doesn't invoke pop scope, so
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// turn off full screen mode here
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// https://github.com/Milad-Akarie/auto_route_library/issues/1799
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context.popRoute();
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SystemChrome.setEnabledSystemUIMode(
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SystemUiMode.edgeToEdge,
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);
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},
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shape: const CircleBorder(),
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color: Colors.white.withOpacity(0.2),
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elevation: 0,
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child: const Icon(
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Icons.close_rounded,
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color: Colors.white,
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),
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),
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),
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],
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),
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),
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MemoryBottomInfo(memory: memories[mIndex]),
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],
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);
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},
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),
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),
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),
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),
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);
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}
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}
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