initial commit

lib/foundation/app.dart

@@ -0,0 +1,73 @@
+import 'dart:io';
+import 'dart:ui';
+
+import 'package:flutter/material.dart';
+import 'package:path_provider/path_provider.dart';
+
+import 'appdata.dart';
+
+
+export "widget_utils.dart";
+export "context.dart";
+
+class _App {
+  final version = "1.0.0";
+
+  bool get isAndroid => Platform.isAndroid;
+  bool get isIOS => Platform.isIOS;
+  bool get isWindows => Platform.isWindows;
+  bool get isLinux => Platform.isLinux;
+  bool get isMacOS => Platform.isMacOS;
+  bool get isDesktop =>
+      Platform.isWindows || Platform.isLinux || Platform.isMacOS;
+  bool get isMobile => Platform.isAndroid || Platform.isIOS;
+
+  Locale get locale {
+    Locale deviceLocale = PlatformDispatcher.instance.locale;
+    if (deviceLocale.languageCode == "zh" &&
+        deviceLocale.scriptCode == "Hant") {
+      deviceLocale = const Locale("zh", "TW");
+    }
+    return deviceLocale;
+  }
+
+  late String dataPath;
+  late String cachePath;
+
+  final rootNavigatorKey = GlobalKey<NavigatorState>();
+
+  GlobalKey<NavigatorState>? mainNavigatorKey;
+
+  BuildContext get rootContext => rootNavigatorKey.currentContext!;
+
+  void rootPop() {
+    rootNavigatorKey.currentState?.pop();
+  }
+
+  void pop() {
+    if(rootNavigatorKey.currentState?.canPop() ?? false) {
+      rootNavigatorKey.currentState?.pop();
+    } else {
+      mainNavigatorKey?.currentState?.pop();
+    }
+  }
+
+  var mainColor = Colors.blue;
+
+  Future<void> init() async {
+    cachePath = (await getApplicationCacheDirectory()).path;
+    dataPath = (await getApplicationSupportDirectory()).path;
+    mainColor = switch(appdata.settings['color']) {
+      'red' => Colors.red,
+      'pink' => Colors.pink,
+      'purple' => Colors.purple,
+      'green' => Colors.green,
+      'orange' => Colors.orange,
+      'blue' => Colors.blue,
+      _ => Colors.blue,
+    };
+  }
+}
+
+// ignore: non_constant_identifier_names
+final App = _App();