⭐️ Impl: RNIContentSizingMode

ios/Temp/RNIContentSizingMode.swift

@@ -0,0 +1,131 @@
+//
+//  RNIContentSizingMode.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 10/6/24.
+//
+
+import Foundation
+import DGSwiftUtilities
+
+
+/// Should this really be an enum?
+/// Wouldn't it be better if this was an `OptionSet`?
+///
+public enum RNIContentSizingMode: String {
+  case sizingFromReact;
+  case sizingFromNative;
+
+  case sizingWidthFromReactAndHeightFromNative;
+  case sizingHeightFromReactAndWidthFromNative;
+
+  // MARK: Computed Properties
+  // -------------------------
+
+  public var isSizingHeightFromNative: Bool {
+    switch self {
+      case .sizingFromNative, .sizingWidthFromReactAndHeightFromNative:
+        return true;
+
+      default:
+        return false;
+    };
+  };
+
+  public var isSizingWidthFromNative: Bool {
+    switch self {
+      case .sizingFromNative, .sizingHeightFromReactAndWidthFromNative:
+        return true;
+
+      default:
+        return false;
+    };
+  };
+
+  public var isSizingHeightFromReact: Bool {
+    switch self {
+      case .sizingFromReact, .sizingHeightFromReactAndWidthFromNative:
+        return true;
+
+      default:
+        return false;
+    };
+  };
+
+  public var isSizingWidthFromReact: Bool {
+    switch self {
+      case .sizingFromReact, .sizingWidthFromReactAndHeightFromNative:
+        return true;
+
+      default:
+        return false;
+    };
+  };
+
+  // MARK: Functions
+  // ---------------
+
+  public func derivedSizingMode(
+    isSizingWidthFromNative: Bool,
+    isSizingHeightFromNative: Bool
+  ) -> Self {
+
+    switch (isSizingWidthFromNative, isSizingHeightFromNative) {
+      case (true, true):
+        return .sizingFromNative;
+
+      case (false, true):
+        return .sizingWidthFromReactAndHeightFromNative;
+
+      case (true, false):
+        return .sizingHeightFromReactAndWidthFromNative;
+
+      case (false, false):
+        return .sizingFromReact;
+    };
+  };
+
+  public func derivedSizingMode(
+    fromHorizontalViewPosition horizontalViewPosition: ViewPositionHorizontal,
+    isSizingHeightFromNative: Bool
+  ) -> Self {
+
+    self.derivedSizingMode(
+      isSizingWidthFromNative: horizontalViewPosition.willSatisfyWidthConstraint,
+      isSizingHeightFromNative: isSizingHeightFromNative
+    );
+  };
+
+  public func derivedSizingMode(
+    fromHorizontalAlignmentPosition horizontalAlignmentPosition: HorizontalAlignmentPosition,
+    isSizingHeightFromNative: Bool
+  ) -> Self {
+
+    self.derivedSizingMode(
+      isSizingWidthFromNative: horizontalAlignmentPosition.isStretching,
+      isSizingHeightFromNative: isSizingHeightFromNative
+    );
+  };
+
+  public func derivedSizingMode(
+    fromVerticalAlignmentPosition verticalAlignmentPosition: VerticalAlignmentPosition,
+    isSizingWidthFromNative: Bool
+  ) -> Self {
+
+    self.derivedSizingMode(
+      isSizingWidthFromNative: isSizingWidthFromNative,
+      isSizingHeightFromNative: verticalAlignmentPosition.isStretching
+    );
+  };
+
+  public func derivedSizingMode(
+    fromHorizontalAlignmentPosition horizontalAlignmentPosition: HorizontalAlignmentPosition,
+    verticalAlignmentPosition: VerticalAlignmentPosition
+  ) -> Self {
+
+    self.derivedSizingMode(
+      isSizingWidthFromNative: horizontalAlignmentPosition.isStretching,
+      isSizingHeightFromNative: verticalAlignmentPosition.isStretching
+    );
+  };
+};