fix: emoji import from ZIP file

- fix invalid Navigator scope in Emoji import dialog
- add progress bar to Emoji import dialog

Fixes: #623

Signed-off-by: The one with the braid <info@braid.business>

lib/pages/settings_emotes/import_archive_dialog.dart

@@ -33,6 +33,8 @@ class _ImportEmoteArchiveDialogState extends State<ImportEmoteArchiveDialog> {
 
   bool _loading = false;
 
+  double _progress = 0;
+
   @override
   void initState() {
     _importFileMap();
@@ -44,7 +46,11 @@ class _ImportEmoteArchiveDialogState extends State<ImportEmoteArchiveDialog> {
     return AlertDialog(
       title: Text(L10n.of(context)!.importEmojis),
       content: _loading
-          ? const Center(child: CircularProgressIndicator())
+          ? Center(
+              child: CircularProgressIndicator(
+                value: _progress,
+              ),
+            )
           : SingleChildScrollView(
               child: Wrap(
                 alignment: WrapAlignment.spaceEvenly,
@@ -97,6 +103,7 @@ class _ImportEmoteArchiveDialogState extends State<ImportEmoteArchiveDialog> {
   Future<void> _addEmotePack() async {
     setState(() {
       _loading = true;
+      _progress = 0;
     });
     final imports = _importMap;
     final successfulUploads = <String>{};
@@ -134,20 +141,25 @@ class _ImportEmoteArchiveDialogState extends State<ImportEmoteArchiveDialog> {
     }
 
     for (final entry in imports.entries) {
+      setState(() {
+        _progress += 1 / imports.length;
+      });
       final file = entry.key;
       final imageCode = entry.value;
 
-      // try {
+      try {
         var mxcFile = MatrixImageFile(
           bytes: file.content,
           name: file.name,
         );
-      try {
-        mxcFile = (await mxcFile.generateThumbnail(
+
+        final thumbnail = (await mxcFile.generateThumbnail(
           nativeImplementations: ClientManager.nativeImplementations,
-        ))!;
-      } catch (e, s) {
-        Logs().w('Unable to create thumbnail', e, s);
+        ));
+        if (thumbnail == null) {
+          Logs().w('Unable to create thumbnail');
+        } else {
+          mxcFile = thumbnail;
         }
         final uri = await Matrix.of(context).client.uploadContent(
               mxcFile.bytes,
@@ -176,10 +188,9 @@ class _ImportEmoteArchiveDialogState extends State<ImportEmoteArchiveDialog> {
           'info': info,
         });
         successfulUploads.add(file.name);
-      /*} catch (e) {
-
+      } catch (e) {
         Logs().d('Could not upload emote $imageCode');
-          }*/
+      }
     }
 
     await widget.controller.save(context);
@@ -188,6 +199,7 @@ class _ImportEmoteArchiveDialogState extends State<ImportEmoteArchiveDialog> {
     );
 
     _loading = false;
+    _progress = 0;
 
     // in case we have unhandled / duplicated emotes left, don't pop
     if (mounted) setState(() {});

lib/pages/settings_emotes/settings_emotes.dart

@@ -309,6 +309,8 @@ class EmotesSettingsController extends State<EmotesSettings> {
 
     await showDialog(
       context: context,
+      // breaks [Matrix.of] calls otherwise
+      useRootNavigator: false,
       builder: (context) => ImportEmoteArchiveDialog(
         controller: this,
         archive: archive,