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announce the flow has ended #7

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announce the flow has ended #7

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e8ec30a
refactor: hotspot provider's startFlow to async function, indicate fl…
Jun 27, 2024
e925cc4
fix: add mount check on hotspot provider's setstate at dismiss fn
Jun 27, 2024
d695a5b
fix: flow completer to handle multi flow
Jun 28, 2024
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20 changes: 18 additions & 2 deletions lib/src/hotspot_provider.dart
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
import 'dart:async';

import 'package:flutter/material.dart';
import 'package:hotspot/hotspot.dart';
import 'package:provider/provider.dart';
Expand Down Expand Up @@ -173,14 +175,16 @@ class HotspotProviderState extends State<HotspotProvider>
/// focus to close the keyboard, and after the tour is done we
/// put the focus back where it was.
FocusNode? _lastFocusNode;

Completer? _flowCompleter;

/// Convenience getter for the current flow sorted by order.
List<HotspotTargetState> get currentFlow =>
_targets.where((e) => e.widget.flow == _flow).toList()
..sort((a, b) => a.widget.order.compareTo(b.widget.order));

/// Initiate a hotspot flow
void startFlow([String flow = 'main']) {
Future<void> startFlow([String flow = 'main']) async {
/// Dismiss keyboard if open
_lastFocusNode = FocusManager.instance.primaryFocus;
_lastFocusNode?.unfocus();
Expand All @@ -200,6 +204,12 @@ class HotspotProviderState extends State<HotspotProvider>
_visible = true;
}
});

final flowCompleter = Completer();

_flowCompleter = flowCompleter;

await flowCompleter.future;
}

/// Called when tapping the next button.
Expand Down Expand Up @@ -233,13 +243,19 @@ class HotspotProviderState extends State<HotspotProvider>

setState(() => _visible = false);

_flowCompleter?.complete();

/// Put the focus back where it was if we
/// have a previously-saved focus node.
_lastFocusNode?.requestFocus();
_lastFocusNode = null;

/// don't animate to first tag on subsequent flow runs
Future.delayed(widget.duration, () => setState(() => _index = 0));
Future.delayed(widget.duration, () {
if(mounted) {
setState(() => _index = 0);
}
});
}

/// Removes all targets that are not mounted
Expand Down