@nativescript/pdf/index.ios.js

A NativeScript plugin to display PDF files on iOS and Android

import { PDFViewCommon, srcProperty } from './common';
var PDFWebViewDelegate = /** @class */ (function (_super) {
    __extends(PDFWebViewDelegate, _super);
    function PDFWebViewDelegate() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    PDFWebViewDelegate.initWithOwner = function (owner) {
        var delegate = PDFWebViewDelegate.new();
        delegate.owner = owner;
        return delegate;
    };
    PDFWebViewDelegate.prototype.webViewDidFinishNavigation = function (webView) {
        PDFViewCommon.notifyOfEvent(PDFViewCommon.loadEvent, this.owner);
    };
    PDFWebViewDelegate.ObjCProtocols = [WKNavigationDelegate];
    return PDFWebViewDelegate;
}(NSObject));
export class PDFView extends PDFViewCommon {
    // @ts-ignore
    get ios() {
        return this.nativeView;
    }
    createNativeView() {
        this.delegate = PDFWebViewDelegate.initWithOwner(new WeakRef(this));
        const webView = new WKWebView({
            configuration: WKWebViewConfiguration.new(),
            frame: UIScreen.mainScreen.bounds,
        });
        webView.navigationDelegate = this.delegate;
        webView.opaque = false;
        webView.autoresizingMask =
            // tslint:disable-next-line:no-bitwise
            2 /* UIViewAutoresizing.FlexibleWidth */ | 16 /* UIViewAutoresizing.FlexibleHeight */;
        return webView;
    }
    [srcProperty.setNative](value) {
        this.loadPDF(value);
    }
    loadPDF(src) {
        if (!src) {
            return;
        }
        let url;
        // detect base64 stream
        const base64prefix = 'data:application/pdf;base64,';
        if (src.indexOf(base64prefix) === 0) {
            const base64data = NSData.alloc().initWithBase64EncodedStringOptions(src.substring(base64prefix.length), 1 /* NSDataBase64DecodingOptions.IgnoreUnknownCharacters */);
            this.createTempFile(base64data);
            return;
        }
        if (src.indexOf('://') === -1) {
            url = NSURL.fileURLWithPath(src);
            this.ios.loadFileURLAllowingReadAccessToURL(url, url);
        }
        else {
            url = NSURL.URLWithString(src);
            const urlRequest = NSURLRequest.requestWithURL(url);
            this.ios.loadRequest(urlRequest);
        }
    }
}
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