stack_wallet/lib/pages/exchange_view/exchange_loading_overlay.dart

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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:stackwallet/providers/exchange/changenow_initial_load_status.dart';
import 'package:stackwallet/themes/stack_colors.dart';
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import 'package:stackwallet/utilities/text_styles.dart';
import 'package:stackwallet/widgets/custom_loading_overlay.dart';
import 'package:stackwallet/widgets/stack_dialog.dart';
class ExchangeLoadingOverlayView extends ConsumerStatefulWidget {
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const ExchangeLoadingOverlayView({
Key? key,
required this.unawaitedLoad,
}) : super(key: key);
final VoidCallback unawaitedLoad;
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@override
ConsumerState<ExchangeLoadingOverlayView> createState() =>
_ExchangeLoadingOverlayViewState();
}
class _ExchangeLoadingOverlayViewState
extends ConsumerState<ExchangeLoadingOverlayView> {
late ChangeNowLoadStatus _statusEst;
late ChangeNowLoadStatus _statusFixed;
bool userReloaded = false;
@override
void initState() {
_statusEst =
ref.read(changeNowEstimatedInitialLoadStatusStateProvider.state).state;
_statusFixed =
ref.read(changeNowFixedInitialLoadStatusStateProvider.state).state;
super.initState();
}
@override
Widget build(BuildContext context) {
debugPrint("BUILD: $runtimeType");
ref.listen(
changeNowEstimatedInitialLoadStatusStateProvider
.select((value) => value), (previous, next) {
if (next is ChangeNowLoadStatus) {
setState(() {
_statusEst = next;
});
}
});
ref.listen(
changeNowFixedInitialLoadStatusStateProvider.select((value) => value),
(previous, next) {
if (next is ChangeNowLoadStatus) {
setState(() {
_statusFixed = next;
});
}
});
return Stack(
children: [
if (_statusEst == ChangeNowLoadStatus.loading ||
(_statusFixed == ChangeNowLoadStatus.loading && userReloaded))
Container(
color: Theme.of(context)
.extension<StackColors>()!
.overlay
.withOpacity(0.7),
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child: const CustomLoadingOverlay(
message: "Loading Exchange data", eventBus: null),
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),
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if ((_statusEst == ChangeNowLoadStatus.failed ||
_statusFixed == ChangeNowLoadStatus.failed) &&
_statusEst != ChangeNowLoadStatus.loading &&
_statusFixed != ChangeNowLoadStatus.loading)
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Container(
color: Theme.of(context)
.extension<StackColors>()!
.overlay
.withOpacity(0.7),
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child: Column(
mainAxisAlignment: MainAxisAlignment.end,
children: [
StackDialog(
title: "Failed to fetch Exchange data",
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message:
"Exchange requires a working internet connection. Tap OK to try fetching again.",
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rightButton: TextButton(
style: Theme.of(context)
.extension<StackColors>()!
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.getSecondaryEnabledButtonStyle(context),
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child: Text(
"OK",
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style: STextStyles.button(context).copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.buttonTextSecondary,
),
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),
onPressed: () {
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userReloaded = true;
widget.unawaitedLoad();
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},
),
),
],
),
),
],
);
}
}