Add video handling on MediaViewerScreen (but just with a stand-in)

lib/controls/audio_video/media_kit_av_control.dart

@@ -57,13 +57,13 @@ class _MediaKitAvControlState extends State<MediaKitAvControl> {
     super.deactivate();
   }
 
-  void toggleVideoPlay() async {
+  Future<void> toggleVideoPlay() async {
     _logger.fine('Toggling play on: ${widget.videoUrl}');
     if (needToOpen) {
       await player.open(Media(widget.videoUrl), play: false);
       needToOpen = false;
     }
-    player.playOrPause();
+    await player.playOrPause();
     setState(() {});
   }
 
@@ -81,6 +81,7 @@ class _MediaKitAvControlState extends State<MediaKitAvControl> {
   @override
   Widget build(BuildContext context) {
     print('Building MediaKit Control');
+    final playing = player.state.playing;
     if (controller == null) {
       return Container(
         width: widget.width,
@@ -111,7 +112,7 @@ class _MediaKitAvControlState extends State<MediaKitAvControl> {
           Row(
             children: [
               IconButton(
-                icon: player.state.playing
+                icon: playing
                     ? const Icon(Icons.pause)
                     : const Icon(Icons.play_arrow),
                 onPressed: toggleVideoPlay,

lib/screens/media_viewer_screen.dart

@@ -9,6 +9,7 @@ import 'package:path_provider/path_provider.dart';
 import '../controls/login_aware_cached_network_image.dart';
 import '../friendica_client/friendica_client.dart';
 import '../globals.dart';
+import '../models/attachment_media_type_enum.dart';
 import '../models/media_attachment.dart';
 import '../services/auth_service.dart';
 import '../utils/clipboard_utils.dart';
@@ -98,12 +99,37 @@ class _MediaViewerScreenState extends State<MediaViewerScreen> {
     final descriptionHeightPct = widget.attachments.isEmpty ? 0.0 : 0.1;
     final mediaHeight = height * (1 - descriptionHeightPct);
     final descriptionHeight = height * descriptionHeightPct;
+
+    late final bool canSave;
+    late final Widget mediaViewer;
+    switch (currentAttachment.explicitType) {
+      case AttachmentMediaType.image:
+        canSave = true;
+        mediaViewer = SizedBox(
+            width: width,
+            height: mediaHeight,
+            child: InteractiveViewer(
+              maxScale: 10.0,
+              scaleFactor: 400,
+              child: LoginAwareCachedNetworkImage(
+                  imageUrl: currentAttachment.uri.toString()),
+            ));
+        break;
+      case AttachmentMediaType.unknown:
+      case AttachmentMediaType.video:
+        canSave = false;
+        mediaViewer = Text(
+            'No media viewer for ${currentAttachment.explicitType.name} type for link ${currentAttachment.fullFileUri}');
+        break;
+    }
+
     return Scaffold(
       appBar: AppBar(
         actions: [
-          IconButton(
-              onPressed: () => saveImage(context, currentAttachment),
-              icon: const Icon(Icons.download))
+          if (canSave)
+            IconButton(
+                onPressed: () => saveImage(context, currentAttachment),
+                icon: const Icon(Icons.download))
         ],
       ),
       body: SafeArea(
@@ -112,16 +138,7 @@ class _MediaViewerScreenState extends State<MediaViewerScreen> {
             Column(
               mainAxisAlignment: MainAxisAlignment.start,
               children: [
-                SizedBox(
-                  width: width,
-                  height: mediaHeight,
-                  child: InteractiveViewer(
-                    maxScale: 10.0,
-                    scaleFactor: 400,
-                    child: LoginAwareCachedNetworkImage(
-                        imageUrl: currentAttachment.uri.toString()),
-                  ),
-                ),
+                mediaViewer,
                 if (currentAttachment.description.isNotEmpty)
                   buildTextArea(currentAttachment, descriptionHeight),
               ],