NativeScript/packages/core/ui/layouts/layout-base.ios.ts

import { LayoutBaseCommon, clipToBoundsProperty, isPassThroughParentEnabledProperty } from './layout-base-common';
import { View } from '../core/view';

export * from './layout-base-common';

export class LayoutBase extends LayoutBaseCommon {
	nativeViewProtected: UIView;

	public addChild(child: View): void {
		super.addChild(child);
		this.requestLayout();
	}

	public insertChild(child: View, atIndex: number): boolean {
		if (super.insertChild(child, atIndex)) {
			this.requestLayout();
			return true;
		}
		return false;
	}

	public removeChild(child: View): void {
		super.removeChild(child);
		this.requestLayout();
	}

	_setNativeClipToBounds() {
		if (this.clipToBounds) {
			const view = this.nativeViewProtected;
			if (view) {
				view.clipsToBounds = true;
			}
		} else {
			super._setNativeClipToBounds();
		}
	}

	[clipToBoundsProperty.getDefault](): boolean {
		return false;
	}
	[clipToBoundsProperty.setNative](value: boolean) {
		this._setNativeClipToBounds();
	}

	[isPassThroughParentEnabledProperty.setNative](value: boolean) {
		(<any>this.nativeViewProtected).setPassThroughParent(value);
	}
}