fix wiring of loading files for yaml theme images

lib/cwtch/cwtch.dart

@@ -14,6 +14,8 @@ abstract class Cwtch {
   // ignore: non_constant_identifier_names
   Future<void> ReconnectCwtchForeground();
 
+  String getAssetsDir();
+
   // ignore: non_constant_identifier_names
   void CreateProfile(String nick, String pass, bool autostart);
 

lib/cwtch/ffi.dart

@@ -134,6 +134,7 @@ class CwtchFfi implements Cwtch {
   late Isolate cwtchIsolate;
   ReceivePort _receivePort = ReceivePort();
   bool _isL10nInit = false;
+  String _assetsDir = path.join(Directory.current.path, "data", "flutter_assets");
 
   static String getLibraryPath() {
     if (Platform.isWindows) {
@@ -183,8 +184,10 @@ class CwtchFfi implements Cwtch {
         bundledTor = "lib/Tor/tor";
       } else if (await File(path.join(home, ".local/lib/cwtch/Tor/tor")).exists()) {
         bundledTor = path.join(home, ".local/lib/cwtch/Tor/tor");
+        _assetsDir = path.join(home, ".local", "share", "cwtch", "data", "flutter_assets");
       } else if (await File("/usr/lib/cwtch/Tor/tor").exists()) {
         bundledTor = "/usr/lib/cwtch/Tor/tor";
+        _assetsDir = path.join("usr", "share", "cwtch", "data", "flutter_assets");
       } else {
         bundledTor = "tor";
       }
@@ -193,14 +196,18 @@ class CwtchFfi implements Cwtch {
       String currentTor = path.join(Directory.current.absolute.path, "Tor\\Tor\\tor.exe");
       if (await File(currentTor).exists()) {
         bundledTor = currentTor;
+        _assetsDir = path.join(Directory.current.absolute.path, "data", "flutter_assets");
       } else {
         String exeDir = path.dirname(Platform.resolvedExecutable);
         bundledTor = path.join(exeDir, "Tor\\Tor\\tor.exe");
+        _assetsDir = path.join(exeDir, "data", "flutter_assets");
       }
     } else if (Platform.isMacOS) {
       cwtchDir = envVars['CWTCH_HOME'] ?? path.join(envVars['HOME']!, "Library/Application Support/Cwtch");
+      _assetsDir = "/Applications/Cwtch.app/Contents/Frameworks/App.framework/Versions/Current/Resources/flutter_assets/";
       if (await File("Cwtch.app/Contents/MacOS/Tor/tor").exists()) {
         bundledTor = "Cwtch.app/Contents/MacOS/Tor/tor";
+        _assetsDir = "Cwtch.app/Contents/Frameworks/App.framework/Versions/Current/Resources/flutter_assets/";
       } else if (await File("/Applications/Cwtch.app/Contents/MacOS/Tor/tor").exists()) {
         bundledTor = "/Applications/Cwtch.app/Contents/MacOS/Tor/tor";
       } else if (await File("/Volumes/Cwtch/Cwtch.app/Contents/MacOS/Tor/tor").exists()) {
@@ -257,6 +264,10 @@ class CwtchFfi implements Cwtch {
     });
   }
 
+  String getAssetsDir() {
+    return _assetsDir;
+  }
+
   // ignore: non_constant_identifier_names
   Future<void> ReconnectCwtchForeground() async {
     var reconnectCwtch = library.lookup<NativeFunction<Void Function()>>("c_ReconnectCwtchForeground");

lib/cwtch/gomobile.dart

@@ -62,6 +62,11 @@ class CwtchGomobile implements Cwtch {
     appbusEventChannel.setMethodCallHandler(this._handleAppbusEvent);
   }
 
+  String getAssetsDir() {
+    // TODO
+    return "";
+  }
+
   // ignore: non_constant_identifier_names
   Future<void> Start() async {
     print("gomobile.dart: Start()...");

lib/themes/opaque.dart

@@ -123,7 +123,7 @@ abstract class OpaqueThemeType {
 
   get chatImage => null;
 
-  ImageProvider loadImage(String key) { return AssetImage(""); }
+  ImageProvider loadImage(String key, {BuildContext? context}) { return AssetImage(""); }
 
   // Sizes
   double contactOnionTextSize() {

lib/themes/yamltheme.dart

@@ -7,9 +7,12 @@ import 'package:cwtch/themes/cwtch.dart';
 import 'package:cwtch/themes/opaque.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:provider/provider.dart';
 import 'package:yaml/yaml.dart';
 import 'package:path/path.dart' as path;
 
+import '../main.dart';
+
 Future<Map<String, Map<String, OpaqueThemeType>>> loadYamlThemes() async {
   final manifestJson = await rootBundle.loadString('AssetManifest.json');
   final themesList = json.decode(manifestJson).keys.where((String key) => key.startsWith('assets/themes'));
@@ -139,13 +142,22 @@ class YmlTheme extends OpaqueThemeType {
 
   get chatImage => getImage("chatImage") ?? fallbackTheme.chatImage;
 
-
-  ImageProvider loadImage(String key) {
+  ImageProvider loadImage(String key, {BuildContext? context}) {
     File f = File(key);
     if (f.existsSync()) {
       return FileImage(f);
-    } else {
-      return AssetImage(key);
     }
+
+    if (context != null) {
+      File af = File(path.join(Provider
+          .of<FlwtchState>(context, listen: false)
+          .cwtch
+          .getAssetsDir(), key));
+      if (af.existsSync()) {
+        return FileImage(af);
+      }
+    }
+
+    return AssetImage(key);
   }
 }

lib/widgets/messagelist.dart

@@ -120,7 +120,7 @@ class _MessageListState extends State<MessageList> {
                               ? (Provider.of<Settings>(context).theme.chatImage != null)
                                   ? DecorationImage(
                                       repeat: ImageRepeat.repeat,
-                                      image: Provider.of<Settings>(context).theme.loadImage(Provider.of<Settings>(context).theme.chatImage),
+                                      image: Provider.of<Settings>(context).theme.loadImage(Provider.of<Settings>(context).theme.chatImage, context: context),
                                       colorFilter: ColorFilter.mode(Provider.of<Settings>(context).theme.hilightElementColor.withOpacity(0.15), BlendMode.srcIn))
                                   : null
                               : DecorationImage(