blob: 849b07791ea9d362c63c5888197b9519b81fb2d4 [file] [log] [blame]
/********************************************************************************
* Copyright (c) 2020 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
********************************************************************************/
import {Component, Inject, Input, OnChanges, OnDestroy, SimpleChanges} from "@angular/core";
import {DomSanitizer, SafeResourceUrl} from "@angular/platform-browser";
import {URL_TOKEN} from "../../core/dom";
@Component({
selector: "app-file-preview",
templateUrl: "./file-preview.component.html",
styleUrls: ["./file-preview.component.scss"]
})
export class FilePreviewComponent implements OnChanges, OnDestroy {
@Input()
public appFile: File;
public pdfUrl: SafeResourceUrl;
public objectUrl: string;
public constructor(
public sanitizer: DomSanitizer,
@Inject(URL_TOKEN) public url: typeof URL
) {
}
public ngOnChanges(changes: SimpleChanges) {
if (changes.appFile) {
if (this.objectUrl) {
this.url.revokeObjectURL(this.objectUrl);
this.objectUrl = null;
this.pdfUrl = null;
}
this.pdfUrl = this.getSafeUrl();
}
}
public ngOnDestroy() {
if (this.objectUrl) {
this.url.revokeObjectURL(this.objectUrl);
}
}
public getSafeUrl() {
this.objectUrl = this.appFile ? this.url.createObjectURL(this.appFile) : null;
return this.objectUrl ? this.sanitizer.bypassSecurityTrustResourceUrl(this.objectUrl + "#view=Fit") : null;
}
}