chore: add input controller and keyboard service

lib/app/services/keyboard_service.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter_keyboard_visibility/flutter_keyboard_visibility.dart';
+
+class KeyboardService {
+  final KeyboardVisibilityController keyboardVisibilityController =
+      KeyboardVisibilityController();
+  final ValueNotifier<bool> isKeyboardVisible = ValueNotifier<bool>(false);
+
+  void init() {
+    keyboardVisibilityController.onChange.listen((bool visible) {
+      isKeyboardVisible.value = visible;
+    });
+  }
+
+  void dispose() {
+    isKeyboardVisible.dispose();
+  }
+}

lib/app/shared/widgets/inputs/input_field_controller.dart

@@ -0,0 +1,70 @@
+import 'package:flutter/material.dart';
+import 'package:ice/app/services/keyboard_service.dart';
+
+class InputFieldController {
+  InputFieldController({
+    FocusNode? focusNode,
+    this.enabled = true,
+    required this.widgetKey,
+    this.scrollToOnFocusKey,
+  }) : focusNode = focusNode ?? FocusNode();
+
+  final FocusNode focusNode;
+  final bool enabled;
+  final GlobalKey widgetKey;
+  final GlobalKey? scrollToOnFocusKey;
+
+  double scrollPadding = 0.0;
+
+  InputFieldState get _state {
+    if (!enabled) {
+      return InputFieldState.disabled;
+    } else if (focusNode.hasFocus) {
+      return InputFieldState.focused;
+    } else {
+      return InputFieldState.enabled;
+    }
+  }
+
+  void _updateState() {
+    state = _state;
+  }
+
+  InputFieldState state = InputFieldState.enabled;
+
+  void onInit() {
+    focusNode.addListener(_updateState);
+
+    if (scrollToOnFocusKey != null) {
+      final KeyboardService keyboardController = KeyboardService();
+
+      keyboardController.isKeyboardVisible.addListener(() async {
+        if (keyboardController.isKeyboardVisible.value) {
+          await Future<void>.delayed(const Duration(milliseconds: 50));
+
+          final RenderBox? box1 =
+              widgetKey.currentContext?.findRenderObject() as RenderBox?;
+          final RenderBox? box2 = scrollToOnFocusKey!.currentContext
+              ?.findRenderObject() as RenderBox?;
+
+          if (box1 != null && box2 != null) {
+            final double distance = _getYPosition(box1) - _getYPosition(box2);
+
+            if (distance > 0) {
+              scrollPadding = distance;
+            }
+          }
+        }
+      });
+    }
+  }
+
+  static double _getYPosition(RenderBox box) =>
+      box.globalToLocal(Offset.zero).dy - box.size.height;
+}
+
+enum InputFieldState {
+  enabled,
+  disabled,
+  focused,
+}

lib/app/shared/widgets/inputs/text_fields.dart

@@ -0,0 +1 @@
+

pubspec.lock

@@ -366,6 +366,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.20.3"
+  flutter_keyboard_visibility:
+    dependency: "direct main"
+    description:
+      name: flutter_keyboard_visibility
+      sha256: "4983655c26ab5b959252ee204c2fffa4afeb4413cd030455194ec0caa3b8e7cb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.4.1"
+  flutter_keyboard_visibility_linux:
+    dependency: transitive
+    description:
+      name: flutter_keyboard_visibility_linux
+      sha256: "6fba7cd9bb033b6ddd8c2beb4c99ad02d728f1e6e6d9b9446667398b2ac39f08"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  flutter_keyboard_visibility_macos:
+    dependency: transitive
+    description:
+      name: flutter_keyboard_visibility_macos
+      sha256: c5c49b16fff453dfdafdc16f26bdd8fb8d55812a1d50b0ce25fc8d9f2e53d086
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  flutter_keyboard_visibility_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_keyboard_visibility_platform_interface
+      sha256: e43a89845873f7be10cb3884345ceb9aebf00a659f479d1c8f4293fcb37022a4
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  flutter_keyboard_visibility_web:
+    dependency: transitive
+    description:
+      name: flutter_keyboard_visibility_web
+      sha256: d3771a2e752880c79203f8d80658401d0c998e4183edca05a149f5098ce6e3d1
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  flutter_keyboard_visibility_windows:
+    dependency: transitive
+    description:
+      name: flutter_keyboard_visibility_windows
+      sha256: fc4b0f0b6be9b93ae527f3d527fb56ee2d918cd88bbca438c478af7bcfd0ef73
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   flutter_lints:
     dependency: "direct dev"
     description:

pubspec.yaml

@@ -26,6 +26,7 @@ dependencies:
   cupertino_icons: ^1.0.6
   image_picker: ^1.0.4
   image_cropper: ^5.0.0
+  flutter_keyboard_visibility: ^5.4.1
 
 dev_dependencies:
   flutter_test: