@nativescript-community/ui-zoomimage/index.ios.js

Zoomable image view based on @nativescript-community/ui-image

export * from './index-common';
import { ZoomImageBase, maxZoomScaleProperty, minZoomScaleProperty, zoomScaleProperty } from './index-common';
var UIZoomImgScrollViewDelegateImpl = /** @class */ (function (_super) {
    __extends(UIZoomImgScrollViewDelegateImpl, _super);
    function UIZoomImgScrollViewDelegateImpl() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    UIZoomImgScrollViewDelegateImpl.initWithOwner = function (owner) {
        var delegate = new UIZoomImgScrollViewDelegateImpl();
        delegate.owner = owner;
        return delegate;
    };
    UIZoomImgScrollViewDelegateImpl.prototype.viewForZoomingInScrollView = function (scrollView) {
        var owner = this.owner.get();
        return owner === null || owner === void 0 ? void 0 : owner.nativeImageViewProtected;
    };
    UIZoomImgScrollViewDelegateImpl.ObjCProtocols = [UIScrollViewDelegate];
    return UIZoomImgScrollViewDelegateImpl;
}(NSObject));
export { UIZoomImgScrollViewDelegateImpl };
export class ZoomImg extends ZoomImageBase {
    createNativeView() {
        this._image = super.createNativeView();
        this._image.clipsToBounds = true;
        const nativeView = ImageScrollView.new();
        nativeView.zoomView = this._image;
        // const nativeView = UIScrollView.new();
        // nativeView.addSubview(this._image);
        nativeView.zoomScale = this.zoomScale;
        nativeView.minimumZoomScale = this.minZoom;
        nativeView.maximumZoomScale = this.maxZoom;
        return nativeView;
    }
    _setNativeImage(nativeImage, animated = true) {
        //@ts-ignore
        super._setNativeImage(nativeImage, animated);
        if (nativeImage) {
            this.nativeViewProtected.updateForImage(nativeImage.size);
        }
    }
    get nativeImageViewProtected() {
        return this._image;
    }
    initNativeView() {
        this.delegate = UIZoomImgScrollViewDelegateImpl.initWithOwner(new WeakRef(this));
        this.nativeViewProtected.delegate = this.delegate;
    }
    disposeNativeView() {
        super.disposeNativeView();
        this._image = null;
        this.nativeViewProtected.delegate = this.delegate = null;
    }
    onLayout(left, top, right, bottom) {
        super.onLayout(left, top, right, bottom);
        this.nativeImageViewProtected.frame = this.nativeViewProtected.bounds;
    }
    [zoomScaleProperty.setNative](scale) {
        if (this.nativeViewProtected) {
            this.nativeViewProtected.zoomScale = scale;
        }
    }
    setZoom(scale, animated = true, point = { x: 0, y: 0 }) {
        if (this.nativeViewProtected) {
            this.nativeViewProtected.setZoomScaleAnimated(scale, animated);
        }
    }
    [minZoomScaleProperty.setNative](scale) {
        if (this.nativeViewProtected) {
            this.nativeViewProtected.minimumZoomScale = scale;
        }
    }
    [maxZoomScaleProperty.setNative](scale) {
        if (this.nativeViewProtected) {
            this.nativeViewProtected.maximumZoomScale = scale;
        }
    }
}
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