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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /toolkit/components/reader/Readerable.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/components/reader/Readerable.js')
-rw-r--r--toolkit/components/reader/Readerable.js93
1 files changed, 93 insertions, 0 deletions
diff --git a/toolkit/components/reader/Readerable.js b/toolkit/components/reader/Readerable.js
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+// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+/* 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/. */
+"use strict";
+
+// This file and Readability-readerable.js are merged together into
+// Readerable.sys.mjs.
+
+/* exported Readerable */
+/* import-globals-from Readability-readerable.js */
+
+const { XPCOMUtils } = ChromeUtils.importESModule(
+ "resource://gre/modules/XPCOMUtils.sys.mjs"
+);
+
+var Readerable = {
+ get isEnabledForParseOnLoad() {
+ return this.isEnabled;
+ },
+
+ /**
+ * Decides whether or not a document is reader-able without parsing the whole thing.
+ *
+ * @param doc A document to parse.
+ * @return boolean Whether or not we should show the reader mode button.
+ */
+ isProbablyReaderable(doc) {
+ // Only care about 'real' HTML documents:
+ if (
+ doc.mozSyntheticDocument ||
+ !doc.defaultView.HTMLDocument.isInstance(doc)
+ ) {
+ return false;
+ }
+
+ let uri = Services.io.newURI(doc.location.href);
+ if (!this.shouldCheckUri(uri)) {
+ return false;
+ }
+
+ return isProbablyReaderable(doc, this._isNodeVisible);
+ },
+
+ _isNodeVisible(node) {
+ return node.clientHeight > 0 && node.clientWidth > 0;
+ },
+
+ _blockedHosts: [
+ "amazon.com",
+ "github.com",
+ "mail.google.com",
+ "pinterest.com",
+ "reddit.com",
+ "twitter.com",
+ "youtube.com",
+ ],
+
+ shouldCheckUri(uri, isBaseUri = false) {
+ if (!["http", "https", "file", "moz-nullprincipal"].includes(uri.scheme)) {
+ return false;
+ }
+
+ if (!isBaseUri && uri.scheme.startsWith("http")) {
+ // Sadly, some high-profile pages have false positives, so bail early for those:
+ let { host } = uri;
+ if (this._blockedHosts.some(blockedHost => host.endsWith(blockedHost))) {
+ // Allow github on non-project pages
+ if (
+ host == "github.com" &&
+ !uri.filePath.includes("/projects") &&
+ !uri.filePath.includes("/issues")
+ ) {
+ return true;
+ }
+ return false;
+ }
+
+ if (uri.filePath == "/") {
+ return false;
+ }
+ }
+
+ return true;
+ },
+};
+
+XPCOMUtils.defineLazyPreferenceGetter(
+ Readerable,
+ "isEnabled",
+ "reader.parse-on-load.enabled",
+ true
+);