From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- browser/extensions/screenshots/blobConverters.js | 48 ++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 browser/extensions/screenshots/blobConverters.js (limited to 'browser/extensions/screenshots/blobConverters.js') diff --git a/browser/extensions/screenshots/blobConverters.js b/browser/extensions/screenshots/blobConverters.js new file mode 100644 index 0000000000..4e727ff271 --- /dev/null +++ b/browser/extensions/screenshots/blobConverters.js @@ -0,0 +1,48 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +this.blobConverters = (function () { + const exports = {}; + + exports.dataUrlToBlob = function (url) { + const binary = atob(url.split(",", 2)[1]); + let contentType = exports.getTypeFromDataUrl(url); + if (contentType !== "image/png" && contentType !== "image/jpeg") { + contentType = "image/png"; + } + const data = Uint8Array.from(binary, char => char.charCodeAt(0)); + const blob = new Blob([data], { type: contentType }); + return blob; + }; + + exports.getTypeFromDataUrl = function (url) { + let contentType = url.split(",", 1)[0]; + contentType = contentType.split(";", 1)[0]; + contentType = contentType.split(":", 2)[1]; + return contentType; + }; + + exports.blobToArray = function (blob) { + return new Promise((resolve, reject) => { + const reader = new FileReader(); + reader.addEventListener("loadend", function () { + resolve(reader.result); + }); + reader.readAsArrayBuffer(blob); + }); + }; + + exports.blobToDataUrl = function (blob) { + return new Promise((resolve, reject) => { + const reader = new FileReader(); + reader.addEventListener("loadend", function () { + resolve(reader.result); + }); + reader.readAsDataURL(blob); + }); + }; + + return exports; +})(); +null; -- cgit v1.2.3