122 lines
3.2 KiB
Dart
122 lines
3.2 KiB
Dart
import 'dart:async';
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import 'dart:developer';
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import 'package:flutter/material.dart';
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import 'package:photos/core/event_bus.dart';
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import 'package:photos/events/photo_upload_event.dart';
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import 'package:photos/services/sync_service.dart';
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import 'package:pull_to_refresh/pull_to_refresh.dart';
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class SyncIndicator extends StatefulWidget {
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final RefreshController refreshController;
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const SyncIndicator(this.refreshController, {Key key}) : super(key: key);
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@override
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_SyncIndicatorState createState() => _SyncIndicatorState();
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}
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class _SyncIndicatorState extends State<SyncIndicator> {
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PhotoUploadEvent _event;
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StreamSubscription<PhotoUploadEvent> _subscription;
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String _completeText = "Sync completed.";
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@override
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void initState() {
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_subscription = Bus.instance.on<PhotoUploadEvent>().listen((event) {
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setState(() {
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_event = event;
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});
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});
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super.initState();
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}
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@override
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void dispose() {
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_subscription.cancel();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return ClassicHeader(
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idleText: "Pull down to sync.",
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refreshingText: _getRefreshingText(),
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releaseText: "Release to sync.",
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completeText: _completeText,
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failedText: "Sync unsuccessful.",
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completeDuration: const Duration(milliseconds: 1000),
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refreshStyle: RefreshStyle.UnFollow,
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refreshingIcon: Container(
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width: 24,
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height: 24,
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child: GestureDetector(
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onTap: () {
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AlertDialog alert = AlertDialog(
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title: Text("Pause?"),
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content: Text(
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"Are you sure that you want to pause backing up your memories?"),
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actions: [
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FlatButton(
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child: Text("NO"),
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onPressed: () {
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Navigator.of(context).pop();
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},
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),
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FlatButton(
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child: Text("YES"),
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onPressed: () {
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Navigator.of(context).pop();
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SyncService.instance.stopSync();
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_completeText = "Sync stopped.";
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setState(() {});
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widget.refreshController.refreshCompleted();
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},
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),
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],
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);
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return alert;
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},
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);
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},
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child: Stack(
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children: [
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Icon(
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Icons.pause_circle_outline,
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size: 24,
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color: Colors.pink,
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),
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CircularProgressIndicator(strokeWidth: 2),
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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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String _getRefreshingText() {
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if (_event == null) {
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return "Syncing...";
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} else {
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var s;
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if (_event.hasError) {
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widget.refreshController.refreshFailed();
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s = "Upload failed.";
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} else if (_event.wasStopped) {
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s = "Sync stopped.";
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} else {
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s = "Backing up " +
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_event.completed.toString() +
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"/" +
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_event.total.toString();
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}
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_event = null;
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return s;
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}
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}
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}
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