ios add dummy call and remove some lookup functions

Signed-off-by: dignow <linlong1265@gmail.com>

flutter/ios/Runner/AppDelegate.swift

@@ -13,9 +13,6 @@ import Flutter
   }
     
   public func dummyMethodToEnforceBundling() {
-    get_rgba();
-  //  free_rgba(nil);
-  //  get_by_name("", "");
-  //  set_by_name("", "");
+    session_get_rgba(nil);
   }
 }

flutter/ios/Runner/ffi.h

@@ -1,4 +1 @@
-void* get_rgba();
-void free_rgba(void*);
-void set_by_name(const char*, const char*);
-const char* get_by_name(const char*, const char*);
+const unsigned char* session_get_rgba(const char*);

flutter/lib/models/model.dart

@@ -1693,7 +1693,7 @@ class FFI {
           } else {
             // Fetch the image buffer from rust codes.
             final sz = platformFFI.getRgbaSize(sessionId);
-            if (sz == null || sz == 0) {
+            if (sz == 0) {
               return;
             }
             final rgba = platformFFI.getRgba(sessionId, sz);

flutter/lib/models/native_model.dart

@@ -21,16 +21,8 @@ class RgbaFrame extends Struct {
   external Pointer<Uint8> data;
 }
 
-typedef F2 = Pointer<Utf8> Function(Pointer<Utf8>, Pointer<Utf8>);
 typedef F3 = Pointer<Uint8> Function(Pointer<Utf8>);
-typedef F4 = Uint64 Function(Pointer<Utf8>);
-typedef F4Dart = int Function(Pointer<Utf8>);
-typedef F5 = Void Function(Pointer<Utf8>);
-typedef F5Dart = void Function(Pointer<Utf8>);
 typedef HandleEvent = Future<void> Function(Map<String, dynamic> evt);
-// pub fn session_register_texture(id: *const char, ptr: usize)
-typedef F6 = Void Function(Pointer<Utf8>, Uint64);
-typedef F6Dart = void Function(Pointer<Utf8>, int);
 
 /// FFI wrapper around the native Rust core.
 /// Hides the platform differences.
@@ -38,7 +30,6 @@ class PlatformFFI {
   String _dir = '';
   // _homeDir is only needed for Android and IOS.
   String _homeDir = '';
-  F2? _translate;
   final _eventHandlers = <String, Map<String, HandleEvent>>{};
   late RustdeskImpl _ffiBind;
   late String _appType;
@@ -51,9 +42,6 @@ class PlatformFFI {
 
   RustdeskImpl get ffiBind => _ffiBind;
   F3? _session_get_rgba;
-  F4Dart? _session_get_rgba_size;
-  F5Dart? _session_next_rgba;
-  F6Dart? _session_register_texture;
 
   static get localeName => Platform.localeName;
 
@@ -89,18 +77,8 @@ class PlatformFFI {
     }
   }
 
-  String translate(String name, String locale) {
-    if (_translate == null) return name;
-    var a = name.toNativeUtf8();
-    var b = locale.toNativeUtf8();
-    var p = _translate!(a, b);
-    assert(p != nullptr);
-    final res = p.toDartString();
-    calloc.free(p);
-    calloc.free(a);
-    calloc.free(b);
-    return res;
-  }
+  String translate(String name, String locale) =>
+      _ffiBind.translate(name: name, locale: locale);
 
   Uint8List? getRgba(SessionID sessionId, int bufSize) {
     if (_session_get_rgba == null) return null;
@@ -118,30 +96,11 @@ class PlatformFFI {
     }
   }
 
-  int? getRgbaSize(SessionID sessionId) {
-    if (_session_get_rgba_size == null) return null;
-    final sessionIdStr = sessionId.toString();
-    var a = sessionIdStr.toNativeUtf8();
-    final bufferSize = _session_get_rgba_size!(a);
-    malloc.free(a);
-    return bufferSize;
-  }
-
-  void nextRgba(SessionID sessionId) {
-    if (_session_next_rgba == null) return;
-    final sessionIdStr = sessionId.toString();
-    final a = sessionIdStr.toNativeUtf8();
-    _session_next_rgba!(a);
-    malloc.free(a);
-  }
-
-  void registerTexture(SessionID sessionId, int ptr) {
-    if (_session_register_texture == null) return;
-    final sessionIdStr = sessionId.toString();
-    final a = sessionIdStr.toNativeUtf8();
-    _session_register_texture!(a, ptr);
-    malloc.free(a);
-  }
+  int getRgbaSize(SessionID sessionId) =>
+      _ffiBind.sessionGetRgbaSize(sessionId: sessionId);
+  void nextRgba(SessionID sessionId) => _ffiBind.sessionNextRgba(sessionId: sessionId);
+  void registerTexture(SessionID sessionId, int ptr) =>
+      _ffiBind.sessionRegisterTexture(sessionId: sessionId, ptr: ptr);
 
   /// Init the FFI class, loads the native Rust core library.
   Future<void> init(String appType) async {
@@ -157,14 +116,7 @@ class PlatformFFI {
                     : DynamicLibrary.process();
     debugPrint('initializing FFI $_appType');
     try {
-      _translate = dylib.lookupFunction<F2, F2>('translate');
       _session_get_rgba = dylib.lookupFunction<F3, F3>("session_get_rgba");
-      _session_get_rgba_size =
-          dylib.lookupFunction<F4, F4Dart>("session_get_rgba_size");
-      _session_next_rgba =
-          dylib.lookupFunction<F5, F5Dart>("session_next_rgba");
-      _session_register_texture =
-          dylib.lookupFunction<F6, F6Dart>("session_register_texture");
       try {
         // SYSTEM user failed
         _dir = (await getApplicationDocumentsDirectory()).path;