feat: Nicer file event design

lib/pages/chat/events/message_download_content.dart

@@ -1,42 +1,75 @@
+//@dart=2.12
+
 import 'package:flutter/material.dart';
 
 import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/utils/matrix_sdk_extensions.dart/event_extension.dart';
-import 'package:fluffychat/widgets/matrix.dart';
 
 class MessageDownloadContent extends StatelessWidget {
   final Event event;
   final Color textColor;
 
-  const MessageDownloadContent(this.event, this.textColor, {Key key})
+  const MessageDownloadContent(this.event, this.textColor, {Key? key})
       : super(key: key);
 
   @override
   Widget build(BuildContext context) {
-    final String filename = event.content.containsKey('filename')
+    final filename = event.content.tryGet<String>('filename') ?? event.body;
-        ? event.content['filename']
+    final filetype = (filename.contains('.')
-        : event.body;
+        ? filename.split('.').last.toUpperCase()
-    return Column(
+        : event.content
+                .tryGetMap<String, dynamic>('info')
+                ?.tryGet<String>('mimetype')
+                ?.toUpperCase() ??
+            'UNKNOWN');
+    final sizeString = event.sizeString;
+    return InkWell(
+      onTap: () => event.saveFile(context),
+      child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         mainAxisSize: MainAxisSize.min,
         children: <Widget>[
-        TextButton.icon(
+          Row(
-          onPressed: () => event.saveFile(context),
+            children: [
-          icon: const Icon(Icons.download_outlined),
+              Icon(
-          label: Text(filename),
+                Icons.file_download_outlined,
-          style: event.senderId == Matrix.of(context).client.userID
+                color: Theme.of(context).colorScheme.secondary,
-              ? TextButton.styleFrom(primary: textColor)
-              : null,
               ),
-        if (event.sizeString != null)
+              const SizedBox(width: 8),
+              Expanded(
+                child: Text(
+                  filename,
+                  maxLines: 1,
+                  style: TextStyle(
+                    color: Theme.of(context).colorScheme.secondary,
+                    fontWeight: FontWeight.bold,
+                  ),
+                ),
+              ),
+            ],
+          ),
+          const Divider(),
+          Row(
+            children: [
               Text(
-            event.sizeString,
+                filetype,
+                style: TextStyle(
+                  color: textColor,
+                ),
+              ),
+              const Spacer(),
+              if (sizeString != null)
+                Text(
+                  sizeString,
                   style: TextStyle(
                     color: textColor,
                   ),
                 ),
             ],
+          ),
+        ],
+      ),
     );
   }
 }