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feat: add general ui handler

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This commit is contained in:
Kingtous
2023-05-06 01:29:01 +07:00
parent 1a3c6ce254
commit 1e03dfb1d0
4 changed files with 156 additions and 4 deletions
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7
flutter/lib/main.dart
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@@ -13,6 +13,7 @@ import 'package:flutter_hbb/desktop/screen/desktop_port_forward_screen.dart';
import 'package:flutter_hbb/desktop/screen/desktop_remote_screen.dart';
import 'package:flutter_hbb/desktop/widgets/refresh_wrapper.dart';
import 'package:flutter_hbb/models/state_model.dart';
import 'package:flutter_hbb/plugin/handlers.dart';
import 'package:flutter_hbb/utils/multi_window_manager.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:get/get.dart';
@@ -428,4 +429,10 @@ _registerEventHandler() {
reloadAllWindows();
});
}
// Register native handlers.
if (isDesktop) {
platformFFI.registerEventHandler('native_ui', 'native_ui', (evt) async {
NativeUiHandler.instance.onEvent(evt);
});
}
}

43
flutter/lib/plugin/handlers.dart Normal file
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@@ -0,0 +1,43 @@
import 'dart:ffi';
abstract class NativeHandler {
bool onEvent(Map<String, dynamic> evt);
}
typedef OnSelectPeersCallback = Bool Function(Int returnCode,
Pointer<Void> data, Uint64 dataLength, Pointer<Void> userData);
typedef OnSelectPeersCallbackDart = bool Function(
int returnCode, Pointer<Void> data, int dataLength, Pointer<Void> userData);
class NativeUiHandler extends NativeHandler {
NativeUiHandler._();
static NativeUiHandler instance = NativeUiHandler._();
@override
bool onEvent(Map<String, dynamic> evt) {
final name = evt['name'];
final action = evt['action'];
if (name != "native_ui") {
return false;
}
switch (action) {
case "select_peers":
int cb = evt['cb'];
int userData = evt['user_data'] ?? 0;
final cbFuncNative = Pointer.fromAddress(cb)
.cast<NativeFunction<OnSelectPeersCallback>>();
final cbFuncDart = cbFuncNative.asFunction<OnSelectPeersCallbackDart>();
onSelectPeers(cbFuncDart, userData);
break;
default:
return false;
}
return true;
}
void onSelectPeers(OnSelectPeersCallbackDart cb, int userData) async {
// TODO: design a UI interface to pick peers.
cb(0, Pointer.fromAddress(0), 0, Pointer.fromAddress(userData));
}
}