fluffychat/lib/components/message_content.dart

import 'package:bubble/bubble.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/i18n/i18n.dart';
import 'package:fluffychat/utils/event_extension.dart';
import 'package:fluffychat/views/image_viewer.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:link_text/link_text.dart';
import 'package:url_launcher/url_launcher.dart';

import 'matrix.dart';

class MessageContent extends StatelessWidget {
  final Event event;
  final Color textColor;

  const MessageContent(this.event, {this.textColor});

  @override
  Widget build(BuildContext context) {
    switch (event.type) {
      case EventTypes.Message:
      case EventTypes.Encrypted:
      case EventTypes.Sticker:
        switch (event.messageType) {
          case MessageTypes.Image:
          case MessageTypes.Sticker:
            final int size = 400;
            final MxContent content = MxContent(event.content["url"]);
            final String src = content.getThumbnail(
              Matrix.of(context).client,
              width: size * MediaQuery.of(context).devicePixelRatio,
              height: size * MediaQuery.of(context).devicePixelRatio,
              method: ThumbnailMethod.scale,
            );
            return Bubble(
              padding: BubbleEdges.all(0),
              radius: Radius.circular(10),
              elevation: 0,
              child: InkWell(
                onTap: () => ImageViewer.show(context, content),
                child: Container(
                  height: size.toDouble(),
                  width: size.toDouble(),
                  child: kIsWeb
                      ? Image.network(
                          src,
                          fit: BoxFit.cover,
                        )
                      : CachedNetworkImage(
                          imageUrl: src,
                          fit: BoxFit.cover,
                          placeholder: (c, s) => Center(
                            child: CircularProgressIndicator(),
                          ),
                        ),
                ),
              ),
            );
          case MessageTypes.Audio:
          case MessageTypes.Video:
          case MessageTypes.File:
            return Container(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                mainAxisSize: MainAxisSize.min,
                children: <Widget>[
                  RaisedButton(
                    color: Colors.blueGrey,
                    child: Text(
                      I18n.of(context).downloadFile,
                      overflow: TextOverflow.fade,
                      softWrap: false,
                      maxLines: 1,
                      style: TextStyle(color: Colors.white),
                    ),
                    onPressed: () => launch(
                      MxContent(event.content["url"])
                          .getDownloadLink(event.room.client),
                    ),
                  ),
                  if (event.sizeString != null)
                    Text(
                      event.sizeString,
                      style: TextStyle(
                        color: textColor,
                        fontStyle: FontStyle.italic,
                      ),
                    ),
                  Text(
                    (event.content.containsKey("filename")
                        ? event.content["filename"]
                        : event.body),
                    style: TextStyle(
                      color: textColor,
                      fontStyle: FontStyle.italic,
                    ),
                  ),
                ],
              ),
            );
          case MessageTypes.BadEncrypted:
          case MessageTypes.Text:
          case MessageTypes.Reply:
          case MessageTypes.Location:
          case MessageTypes.None:
          case MessageTypes.Notice:
          case MessageTypes.Emote:
          default:
            return LinkText(
              text: event.getLocalizedBody(context, hideReply: true),
              textStyle: TextStyle(
                color: textColor,
                decoration: event.redacted ? TextDecoration.lineThrough : null,
              ),
            );
        }
        break;
      default:
        return Text(
          I18n.of(context).userSentUnknownEvent(
              event.sender.calcDisplayname(), event.typeKey),
          style: TextStyle(
            color: textColor,
            decoration: event.redacted ? TextDecoration.lineThrough : null,
          ),
        );
    }
  }
}