refactor

2025-10-29 17:00:05 +00:00 · 2022-01-26 12:48:16 +08:00
parent 9ac1a955ba
commit 3d77365edc
7 changed files with 132 additions and 791 deletions
--- a/lib/native_model.dart
+++ b/lib/native_model.dart
@@ -0,0 +1,100 @@
+import 'dart:io';
+import 'dart:typed_data';
+import 'dart:ffi';
+import 'package:ffi/ffi.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:device_info/device_info.dart';
+import "common.dart";
+
+class RgbaFrame extends Struct {
+  @Uint32()
+  int len;
+  Pointer<Uint8> data;
+}
+
+typedef F2 = Pointer<Utf8> Function(Pointer<Utf8>, Pointer<Utf8>);
+typedef F3 = void Function(Pointer<Utf8>, Pointer<Utf8>);
+typedef F4 = void Function(Pointer<RgbaFrame>);
+typedef F5 = Pointer<RgbaFrame> Function();
+
+class PlatformFFI {
+  static Pointer<RgbaFrame> _lastRgbaFrame;
+  static String _dir = '';
+  static F2 _getByName;
+  static F3 _setByName;
+  static F4 _freeRgba;
+  static F5 _getRgba;
+
+  static void clearRgbaFrame() {
+    if (_lastRgbaFrame != null && _lastRgbaFrame != nullptr)
+      _freeRgba(_lastRgbaFrame);
+  }
+
+  static Uint8List getRgba() {
+    if (_getRgba == null) return null;
+    _lastRgbaFrame = _getRgba();
+    if (_lastRgbaFrame == null || _lastRgbaFrame == nullptr) return null;
+    final ref = _lastRgbaFrame.ref;
+    return Uint8List.sublistView(ref.data.asTypedList(ref.len));
+  }
+
+  static String getByName(String name, [String arg = '']) {
+    if (_getByName == null) return '';
+    var a = name.toNativeUtf8();
+    var b = arg.toNativeUtf8();
+    var p = _getByName(a, b);
+    assert(p != nullptr && p != null);
+    var res = p.toDartString();
+    calloc.free(p);
+    calloc.free(a);
+    calloc.free(b);
+    return res;
+  }
+
+  static void setByName(String name, [String value = '']) {
+    if (_setByName == null) return;
+    var a = name.toNativeUtf8();
+    var b = value.toNativeUtf8();
+    _setByName(a, b);
+    calloc.free(a);
+    calloc.free(b);
+  }
+
+  static Future<Null> init() async {
+    isIOS = Platform.isIOS;
+    isAndroid = Platform.isAndroid;
+    final dylib = Platform.isAndroid
+        ? DynamicLibrary.open('librustdesk.so')
+        : DynamicLibrary.process();
+    print('initializing FFI');
+    try {
+      _getByName = dylib.lookupFunction<F2, F2>('get_by_name');
+      _setByName =
+          dylib.lookupFunction<Void Function(Pointer<Utf8>, Pointer<Utf8>), F3>(
+              'set_by_name');
+      _freeRgba = dylib
+          .lookupFunction<Void Function(Pointer<RgbaFrame>), F4>('free_rgba');
+      _getRgba = dylib.lookupFunction<F5, F5>('get_rgba');
+      _dir = (await getApplicationDocumentsDirectory()).path;
+      String id = 'NA';
+      String name = 'Flutter';
+      DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
+      if (Platform.isAndroid) {
+        AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
+        name = '${androidInfo.brand}-${androidInfo.model}';
+        id = androidInfo.id.hashCode.toString();
+      } else {
+        IosDeviceInfo iosInfo = await deviceInfo.iosInfo;
+        name = iosInfo.utsname.machine;
+        id = iosInfo.identifierForVendor.hashCode.toString();
+      }
+      setByName('info1', id);
+      setByName('info2', name);
+      setByName('init', _dir);
+    } catch (e) {
+      print(e);
+    }
+  }
+}
+
+final localeName = Platform.localeName;