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feat(mobile): pinch to zoom on asset grid (#2905)

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Fynn Petersen-Frey 2023-06-22 04:13:23 +02:00 committed by GitHub
parent 2c924e4c1c
commit 7f44d508dc
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1 changed files with 54 additions and 16 deletions
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70
mobile/lib/modules/home/ui/asset_grid/immich_asset_grid.dart
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@ -1,3 +1,6 @@
import 'dart:math';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
@ -51,6 +54,12 @@ class ImmichAssetGrid extends HookConsumerWidget {
final enableHeroAnimations = useState(false);
final transitionDuration = ModalRoute.of(context)?.transitionDuration;
final perRow = useState(
assetsPerRow ?? settings.getSetting(AppSettingsEnum.tilesPerRow)!,
);
final scaleFactor = useState(7.0 - perRow.value);
final baseScaleFactor = useState(7.0 - perRow.value);
useEffect(
() {
// Wait for transition to complete, then re-enable
@ -80,22 +89,43 @@ class ImmichAssetGrid extends HookConsumerWidget {
onWillPop: onWillPop,
child: HeroMode(
enabled: enableHeroAnimations.value,
child: ImmichAssetGridView(
onRefresh: onRefresh,
assetsPerRow: assetsPerRow ??
settings.getSetting(AppSettingsEnum.tilesPerRow),
listener: listener,
showStorageIndicator: showStorageIndicator ??
settings.getSetting(AppSettingsEnum.storageIndicator),
renderList: renderList,
margin: margin,
selectionActive: selectionActive,
preselectedAssets: preselectedAssets,
canDeselect: canDeselect,
dynamicLayout: dynamicLayout ??
settings.getSetting(AppSettingsEnum.dynamicLayout),
showMultiSelectIndicator: showMultiSelectIndicator,
visibleItemsListener: visibleItemsListener,
child: RawGestureDetector(
gestures: {
CustomScaleGestureRecognizer:
GestureRecognizerFactoryWithHandlers<
CustomScaleGestureRecognizer>(
() => CustomScaleGestureRecognizer(),
(CustomScaleGestureRecognizer scale) {
scale.onStart = (details) {
baseScaleFactor.value = scaleFactor.value;
};
scale.onUpdate = (details) {
scaleFactor.value =
max(min(5.0, baseScaleFactor.value * details.scale), 1.0);
if (7 - scaleFactor.value.toInt() != perRow.value) {
perRow.value = 7 - scaleFactor.value.toInt();
}
};
scale.onEnd = (details) {};
})
},
child: ImmichAssetGridView(
onRefresh: onRefresh,
assetsPerRow: perRow.value,
listener: listener,
showStorageIndicator: showStorageIndicator ??
settings.getSetting(AppSettingsEnum.storageIndicator),
renderList: renderList,
margin: margin,
selectionActive: selectionActive,
preselectedAssets: preselectedAssets,
canDeselect: canDeselect,
dynamicLayout: dynamicLayout ??
settings.getSetting(AppSettingsEnum.dynamicLayout),
showMultiSelectIndicator: showMultiSelectIndicator,
visibleItemsListener: visibleItemsListener,
),
),
),
);
@ -113,3 +143,11 @@ class ImmichAssetGrid extends HookConsumerWidget {
);
}
}
/// accepts a gesture even though it should reject it (because child won)
class CustomScaleGestureRecognizer extends ScaleGestureRecognizer {
@override
void rejectGesture(int pointer) {
acceptGesture(pointer);
}
}