@nativescript/core
Version:
A JavaScript library providing an easy to use api for interacting with iOS and Android platform APIs.
48 lines • 2.91 kB
JavaScript
import { AbsoluteLayoutBase } from './absolute-layout-common';
import { View } from '../../core/view';
import { layout } from '../../../utils';
export * from './absolute-layout-common';
export class AbsoluteLayout extends AbsoluteLayoutBase {
onLeftChanged(view, oldValue, newValue) {
this.requestLayout();
}
onTopChanged(view, oldValue, newValue) {
this.requestLayout();
}
onMeasure(widthMeasureSpec, heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
let measureWidth = 0;
let measureHeight = 0;
const width = layout.getMeasureSpecSize(widthMeasureSpec);
const widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
const height = layout.getMeasureSpecSize(heightMeasureSpec);
const heightMode = layout.getMeasureSpecMode(heightMeasureSpec);
const childMeasureSpec = layout.makeMeasureSpec(0, layout.UNSPECIFIED);
this.eachLayoutChild((child, last) => {
const childSize = View.measureChild(this, child, childMeasureSpec, childMeasureSpec);
measureWidth = Math.max(measureWidth, child.effectiveLeft + childSize.measuredWidth);
measureHeight = Math.max(measureHeight, child.effectiveTop + childSize.measuredHeight);
});
measureWidth += this.effectiveBorderLeftWidth + this.effectivePaddingLeft + this.effectivePaddingRight + this.effectiveBorderRightWidth;
measureHeight += this.effectiveBorderTopWidth + this.effectivePaddingTop + this.effectivePaddingBottom + this.effectiveBorderBottomWidth;
measureWidth = Math.max(measureWidth, this.effectiveMinWidth);
measureHeight = Math.max(measureHeight, this.effectiveMinHeight);
const widthAndState = View.resolveSizeAndState(measureWidth, width, widthMode, 0);
const heightAndState = View.resolveSizeAndState(measureHeight, height, heightMode, 0);
this.setMeasuredDimension(widthAndState, heightAndState);
}
onLayout(left, top, right, bottom) {
super.onLayout(left, top, right, bottom);
const insets = this.getSafeAreaInsets();
this.eachLayoutChild((child, last) => {
const childWidth = child.getMeasuredWidth();
const childHeight = child.getMeasuredHeight();
const childLeft = this.effectiveBorderLeftWidth + this.effectivePaddingLeft + child.effectiveLeft + insets.left;
const childTop = this.effectiveBorderTopWidth + this.effectivePaddingTop + child.effectiveTop + insets.top;
const childRight = childLeft + childWidth + child.effectiveMarginLeft + child.effectiveMarginRight;
const childBottom = childTop + childHeight + child.effectiveMarginTop + child.effectiveMarginBottom;
View.layoutChild(this, child, childLeft, childTop, childRight, childBottom);
});
}
}
//# sourceMappingURL=index.ios.js.map