feat! js_interop improvements

thermion_flutter/thermion_flutter_platform_interface/lib/thermion_flutter_platform_interface.dart

@@ -1,7 +1,6 @@
 import 'dart:async';
 
 import 'package:thermion_dart/thermion_dart.dart';
-import 'package:thermion_dart/src/filament/filament.dart';
 import 'package:plugin_platform_interface/plugin_platform_interface.dart';
 import 'thermion_flutter_texture.dart';
 
@@ -9,7 +8,8 @@ class ThermionFlutterOptions {
   final String? uberarchivePath;
   final Backend? backend;
 
-  const ThermionFlutterOptions({this.uberarchivePath = null, this.backend = null});
+  const ThermionFlutterOptions(
+      {this.uberarchivePath = null, this.backend = null});
 }
 
 abstract class ThermionFlutterPlatform extends PlatformInterface {
@@ -20,6 +20,29 @@ abstract class ThermionFlutterPlatform extends PlatformInterface {
   static late final ThermionFlutterPlatform _instance;
   static ThermionFlutterPlatform get instance => _instance;
 
+  ///
+  ///
+  ///
+  ThermionFlutterOptions? _options;
+  ThermionFlutterOptions get options {
+    _options ??= const ThermionFlutterOptions();
+    return _options!;
+  }
+  
+  ///
+  ///
+  ///
+  void setOptions(covariant ThermionFlutterOptions options) {
+    if (_options != null) {
+      throw Exception(
+          "Options can only be set once for the entire app lifecycle.");
+    }
+    _options = options;
+  }
+
+  ///
+  ///
+  ///
   static set instance(ThermionFlutterPlatform instance) {
     PlatformInterface.verifyToken(instance, _token);
     _instance = instance;
@@ -28,8 +51,9 @@ abstract class ThermionFlutterPlatform extends PlatformInterface {
   ///
   ///
   ///
-  Future<ThermionViewer> createViewer(
-      {covariant ThermionFlutterOptions? options});
+  Future<ThermionViewer> createViewer() {
+    throw UnimplementedError();
+  }
 
   ///
   /// Creates a raw rendering surface.
@@ -38,12 +62,16 @@ abstract class ThermionFlutterPlatform extends PlatformInterface {
   /// call this yourself. May not be supported on all platforms.
   ///
   Future<PlatformTextureDescriptor> createTextureDescriptor(
-      int width, int height);
+      int width, int height) {
+    throw UnimplementedError();
+  }
 
   ///
   /// Destroys a raw rendering surface.
   ///
-  Future destroyTextureDescriptor(PlatformTextureDescriptor descriptor);
+  Future destroyTextureDescriptor(PlatformTextureDescriptor descriptor) {
+    throw UnimplementedError();
+  }
 
   ///
   /// Create a rendering surface and binds to the given [View]
@@ -52,17 +80,23 @@ abstract class ThermionFlutterPlatform extends PlatformInterface {
   /// call this yourself. May not be supported on all platforms.
   ///
   Future<PlatformTextureDescriptor?> createTextureAndBindToView(
-      View view, int width, int height);
+      View view, int width, int height) {
+    throw UnimplementedError();
+  }
 
   ///
   ///
   ///
   ///
   Future<PlatformTextureDescriptor?> resizeTexture(
-      PlatformTextureDescriptor texture, View view, int width, int height);
+      PlatformTextureDescriptor texture, View view, int width, int height) {
+    throw UnimplementedError();
+  }
 
   ///
   ///
   ///
-  Future markTextureFrameAvailable(PlatformTextureDescriptor texture);
+  Future markTextureFrameAvailable(PlatformTextureDescriptor texture) {
+    throw UnimplementedError();
+  }
 }