113 lines
2.7 KiB
JavaScript
113 lines
2.7 KiB
JavaScript
/**
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* @licstart The following is the entire license notice for the
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* JavaScript code in this page
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*
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* Copyright 2022 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* JavaScript code in this page
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*/
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.DownloadManager = void 0;
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var _pdf = require("../pdf");
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;
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function download(blobUrl, filename) {
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const a = document.createElement("a");
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if (!a.click) {
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throw new Error('DownloadManager: "a.click()" is not supported.');
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}
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a.href = blobUrl;
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a.target = "_parent";
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if ("download" in a) {
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a.download = filename;
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}
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(document.body || document.documentElement).append(a);
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a.click();
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a.remove();
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}
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class DownloadManager {
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constructor() {
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this._openBlobUrls = new WeakMap();
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}
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downloadUrl(url, filename) {
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if (!(0, _pdf.createValidAbsoluteUrl)(url, "http://example.com")) {
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console.error(`downloadUrl - not a valid URL: ${url}`);
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return;
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}
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download(url + "#pdfjs.action=download", filename);
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}
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downloadData(data, filename, contentType) {
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const blobUrl = URL.createObjectURL(new Blob([data], {
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type: contentType
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}));
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download(blobUrl, filename);
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}
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openOrDownloadData(element, data, filename) {
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const isPdfData = (0, _pdf.isPdfFile)(filename);
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const contentType = isPdfData ? "application/pdf" : "";
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if (isPdfData) {
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let blobUrl = this._openBlobUrls.get(element);
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if (!blobUrl) {
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blobUrl = URL.createObjectURL(new Blob([data], {
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type: contentType
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}));
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this._openBlobUrls.set(element, blobUrl);
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}
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let viewerUrl;
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viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
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try {
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window.open(viewerUrl);
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return true;
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} catch (ex) {
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console.error(`openOrDownloadData: ${ex}`);
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URL.revokeObjectURL(blobUrl);
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this._openBlobUrls.delete(element);
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}
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}
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this.downloadData(data, filename, contentType);
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return false;
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}
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download(blob, url, filename) {
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const blobUrl = URL.createObjectURL(blob);
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download(blobUrl, filename);
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}
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}
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exports.DownloadManager = DownloadManager; |