forked from cwtch.im/cwtch-ui
101 lines
6.0 KiB
Dart
101 lines
6.0 KiB
Dart
import 'package:cwtch/models/message.dart';
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import 'package:cwtch/widgets/messageloadingbubble.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:provider/provider.dart';
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import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
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import 'package:flutter_gen/gen_l10n/app_localizations.dart';
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import '../model.dart';
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import '../settings.dart';
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class MessageList extends StatefulWidget {
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ItemScrollController scrollController;
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ItemPositionsListener scrollListener;
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MessageList(this.scrollController, this.scrollListener);
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@override
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_MessageListState createState() => _MessageListState();
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}
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class _MessageListState extends State<MessageList> {
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@override
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Widget build(BuildContext outerContext) {
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var initi = Provider.of<AppState>(outerContext, listen: false).initialScrollIndex;
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bool isP2P = !Provider.of<ContactInfoState>(context).isGroup;
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bool isGroupAndSyncing = Provider.of<ContactInfoState>(context).isGroup == true && Provider.of<ContactInfoState>(context).status == "Authenticated";
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bool isGroupAndSynced = Provider.of<ContactInfoState>(context).isGroup && Provider.of<ContactInfoState>(context).status == "Synced";
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bool isGroupAndNotAuthenticated = Provider.of<ContactInfoState>(context).isGroup && Provider.of<ContactInfoState>(context).status != "Authenticated";
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bool showEphemeralWarning = (isP2P && Provider.of<ContactInfoState>(context).savePeerHistory != "SaveHistory");
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bool showOfflineWarning = Provider.of<ContactInfoState>(context).isOnline() == false;
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bool showSyncing = isGroupAndSyncing;
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bool showMessageWarning = showEphemeralWarning || showOfflineWarning || showSyncing;
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// Only load historical messages when the conversation is with a p2p contact OR the conversation is a server and *not* syncing.
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bool loadMessages = isP2P || (isGroupAndSynced || isGroupAndNotAuthenticated);
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return RepaintBoundary(
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child: Container(
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color: Provider.of<Settings>(context).theme.backgroundMainColor,
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child: Column(children: [
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Visibility(
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visible: showMessageWarning,
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child: Container(
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padding: EdgeInsets.all(5.0),
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color: Provider.of<Settings>(context).theme.defaultButtonActiveColor,
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child: DefaultTextStyle(
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style: TextStyle(color: Provider.of<Settings>(context).theme.defaultButtonTextColor),
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child: showSyncing
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? Text(AppLocalizations.of(context)!.serverNotSynced, textAlign: TextAlign.center)
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: showOfflineWarning
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? Text(Provider.of<ContactInfoState>(context).isGroup ? AppLocalizations.of(context)!.serverConnectivityDisconnected : AppLocalizations.of(context)!.peerOfflineMessage,
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textAlign: TextAlign.center)
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// Only show the ephemeral status for peer conversations, not for groups...
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: (showEphemeralWarning
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? Text(AppLocalizations.of(context)!.chatHistoryDefault, textAlign: TextAlign.center)
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:
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// We are not allowed to put null here, so put an empty text widget
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Text("")),
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))),
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Expanded(
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child: Container(
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// Only show broken heart is the contact is offline...
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decoration: BoxDecoration(
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image: Provider.of<ContactInfoState>(outerContext).isOnline()
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? null
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: DecorationImage(
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fit: BoxFit.scaleDown,
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alignment: Alignment.center,
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image: AssetImage("assets/core/negative_heart_512px.png"),
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colorFilter: ColorFilter.mode(Provider.of<Settings>(context).theme.hilightElementColor, BlendMode.srcIn))),
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// Don't load messages for syncing server...
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child: loadMessages
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? ScrollablePositionedList.builder(
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itemPositionsListener: widget.scrollListener,
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itemScrollController: widget.scrollController,
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initialScrollIndex: initi > 4 ? initi - 4 : 0,
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itemCount: Provider.of<ContactInfoState>(outerContext).totalMessages,
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reverse: true, // NOTE: There seems to be a bug in flutter that corrects the mouse wheel scroll, but not the drag direction...
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itemBuilder: (itemBuilderContext, index) {
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var profileOnion = Provider.of<ProfileInfoState>(outerContext, listen: false).onion;
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var contactHandle = Provider.of<ContactInfoState>(outerContext, listen: false).identifier;
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var messageIndex = index;
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return FutureBuilder(
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future: messageHandler(outerContext, profileOnion, contactHandle, messageIndex),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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var message = snapshot.data as Message;
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var key = Provider.of<ContactInfoState>(outerContext, listen: false).getMessageKey(contactHandle, message.getMetadata().messageID);
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return message.getWidget(context, key);
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} else {
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return MessageLoadingBubble();
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}
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},
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);
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},
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)
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: null))
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])));
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}
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}
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