From ea0ada73ead0d050e4d4b5fb7eebc095fd707b35 Mon Sep 17 00:00:00 2001 From: Alfred Egger Date: Sun, 3 May 2020 14:11:52 +0200 Subject: [PATCH] Remove Blob.js support for legacy browsers --- .l10ignore | 2 - js/lib/Blob.js | 197 --------------------------------------- js/lib/blob.js | 31 ------ templates/cbreader.php | 1 - templates/epubreader.php | 1 - 5 files changed, 232 deletions(-) delete mode 100644 js/lib/Blob.js delete mode 100644 js/lib/blob.js diff --git a/.l10ignore b/.l10ignore index c0efa20..e8ee91a 100644 --- a/.l10ignore +++ b/.l10ignore @@ -1,5 +1,3 @@ -js/lib/Blob.js -js/lib/blob.js js/lib/typearray.js js/lib/typearray.min.js js/lib/wgxpath.install.js diff --git a/js/lib/Blob.js b/js/lib/Blob.js deleted file mode 100644 index 3b44c65..0000000 --- a/js/lib/Blob.js +++ /dev/null @@ -1,197 +0,0 @@ -/* Blob.js - * A Blob implementation. - * 2014-07-24 - * - * By Eli Grey, http://eligrey.com - * By Devin Samarin, https://github.com/dsamarin - * License: X11/MIT - * See https://github.com/eligrey/Blob.js/blob/master/LICENSE.md - */ - -/*global self, unescape */ -/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true, - plusplus: true */ - -/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */ - -(function (view) { - "use strict"; - - view.URL = view.URL || view.webkitURL; - - if (view.Blob && view.URL) { - try { - new Blob; - return; - } catch (e) {} - } - - // Internally we use a BlobBuilder implementation to base Blob off of - // in order to support older browsers that only have BlobBuilder - var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) { - var - get_class = function(object) { - return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1]; - } - , FakeBlobBuilder = function BlobBuilder() { - this.data = []; - } - , FakeBlob = function Blob(data, type, encoding) { - this.data = data; - this.size = data.length; - this.type = type; - this.encoding = encoding; - } - , FBB_proto = FakeBlobBuilder.prototype - , FB_proto = FakeBlob.prototype - , FileReaderSync = view.FileReaderSync - , FileException = function(type) { - this.code = this[this.name = type]; - } - , file_ex_codes = ( - "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR " - + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR" - ).split(" ") - , file_ex_code = file_ex_codes.length - , real_URL = view.URL || view.webkitURL || view - , real_create_object_URL = real_URL.createObjectURL - , real_revoke_object_URL = real_URL.revokeObjectURL - , URL = real_URL - , btoa = view.btoa - , atob = view.atob - - , ArrayBuffer = view.ArrayBuffer - , Uint8Array = view.Uint8Array - - , origin = /^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/ - ; - FakeBlob.fake = FB_proto.fake = true; - while (file_ex_code--) { - FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1; - } - // Polyfill URL - if (!real_URL.createObjectURL) { - URL = view.URL = function(uri) { - var - uri_info = document.createElementNS("http://www.w3.org/1999/xhtml", "a") - , uri_origin - ; - uri_info.href = uri; - if (!("origin" in uri_info)) { - if (uri_info.protocol.toLowerCase() === "data:") { - uri_info.origin = null; - } else { - uri_origin = uri.match(origin); - uri_info.origin = uri_origin && uri_origin[1]; - } - } - return uri_info; - }; - } - URL.createObjectURL = function(blob) { - var - type = blob.type - , data_URI_header - ; - if (type === null) { - type = "application/octet-stream"; - } - if (blob instanceof FakeBlob) { - data_URI_header = "data:" + type; - if (blob.encoding === "base64") { - return data_URI_header + ";base64," + blob.data; - } else if (blob.encoding === "URI") { - return data_URI_header + "," + decodeURIComponent(blob.data); - } if (btoa) { - return data_URI_header + ";base64," + btoa(blob.data); - } else { - return data_URI_header + "," + encodeURIComponent(blob.data); - } - } else if (real_create_object_URL) { - return real_create_object_URL.call(real_URL, blob); - } - }; - URL.revokeObjectURL = function(object_URL) { - if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) { - real_revoke_object_URL.call(real_URL, object_URL); - } - }; - FBB_proto.append = function(data/*, endings*/) { - var bb = this.data; - // decode data to a binary string - if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) { - var - str = "" - , buf = new Uint8Array(data) - , i = 0 - , buf_len = buf.length - ; - for (; i < buf_len; i++) { - str += String.fromCharCode(buf[i]); - } - bb.push(str); - } else if (get_class(data) === "Blob" || get_class(data) === "File") { - if (FileReaderSync) { - var fr = new FileReaderSync; - bb.push(fr.readAsBinaryString(data)); - } else { - // async FileReader won't work as BlobBuilder is sync - throw new FileException("NOT_READABLE_ERR"); - } - } else if (data instanceof FakeBlob) { - if (data.encoding === "base64" && atob) { - bb.push(atob(data.data)); - } else if (data.encoding === "URI") { - bb.push(decodeURIComponent(data.data)); - } else if (data.encoding === "raw") { - bb.push(data.data); - } - } else { - if (typeof data !== "string") { - data += ""; // convert unsupported types to strings - } - // decode UTF-16 to binary string - bb.push(unescape(encodeURIComponent(data))); - } - }; - FBB_proto.getBlob = function(type) { - if (!arguments.length) { - type = null; - } - return new FakeBlob(this.data.join(""), type, "raw"); - }; - FBB_proto.toString = function() { - return "[object BlobBuilder]"; - }; - FB_proto.slice = function(start, end, type) { - var args = arguments.length; - if (args < 3) { - type = null; - } - return new FakeBlob( - this.data.slice(start, args > 1 ? end : this.data.length) - , type - , this.encoding - ); - }; - FB_proto.toString = function() { - return "[object Blob]"; - }; - FB_proto.close = function() { - this.size = 0; - delete this.data; - }; - return FakeBlobBuilder; - }(view)); - - view.Blob = function(blobParts, options) { - var type = options ? (options.type || "") : ""; - var builder = new BlobBuilder(); - if (blobParts) { - for (var i = 0, len = blobParts.length; i < len; i++) { - builder.append(blobParts[i]); - } - } - return builder.getBlob(type); - }; -}(typeof self !== "undefined" && self || typeof window !== "undefined" && window || this.content || this)); diff --git a/js/lib/blob.js b/js/lib/blob.js deleted file mode 100644 index b20ed0b..0000000 --- a/js/lib/blob.js +++ /dev/null @@ -1,31 +0,0 @@ -Blob = (function() { - var nativeBlob = Blob; - - // Add unprefixed slice() method. - if (Blob.prototype.webkitSlice) { - Blob.prototype.slice = Blob.prototype.webkitSlice; - } - else if (Blob.prototype.mozSlice) { - Blob.prototype.slice = Blob.prototype.mozSlice; - } - - // Temporarily replace Blob() constructor with one that checks support. - return function(parts, properties) { - try { - // Restore native Blob() constructor, so this check is only evaluated once. - Blob = nativeBlob; - return new Blob(parts || [], properties || {}); - } - catch (e) { - // If construction fails provide one that uses BlobBuilder. - Blob = function (parts, properties) { - var bb = new (WebKitBlobBuilder || MozBlobBuilder), i; - for (i in parts) { - bb.append(parts[i]); - } - - return bb.getBlob(properties && properties.type ? properties.type : undefined); - }; - } - }; -}()); diff --git a/templates/cbreader.php b/templates/cbreader.php index 7fa8827..1b5af98 100644 --- a/templates/cbreader.php +++ b/templates/cbreader.php @@ -39,7 +39,6 @@ - diff --git a/templates/epubreader.php b/templates/epubreader.php index 5075682..9054492 100644 --- a/templates/epubreader.php +++ b/templates/epubreader.php @@ -42,7 +42,6 @@ -