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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /browser/components/sessionstore/TabAttributes.sys.mjs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/components/sessionstore/TabAttributes.sys.mjs')
-rw-r--r--browser/components/sessionstore/TabAttributes.sys.mjs72
1 files changed, 72 insertions, 0 deletions
diff --git a/browser/components/sessionstore/TabAttributes.sys.mjs b/browser/components/sessionstore/TabAttributes.sys.mjs
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+++ b/browser/components/sessionstore/TabAttributes.sys.mjs
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+/* 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/. */
+
+// We never want to directly read or write these attributes.
+// 'image' should not be accessed directly but handled by using the
+// gBrowser.getIcon()/setIcon() methods.
+// 'muted' should not be accessed directly but handled by using the
+// tab.linkedBrowser.audioMuted/toggleMuteAudio methods.
+// 'pending' is used internal by sessionstore and managed accordingly.
+const ATTRIBUTES_TO_SKIP = new Set([
+ "image",
+ "muted",
+ "pending",
+ "skipbackgroundnotify",
+]);
+
+// A set of tab attributes to persist. We will read a given list of tab
+// attributes when collecting tab data and will re-set those attributes when
+// the given tab data is restored to a new tab.
+export var TabAttributes = Object.freeze({
+ persist(name) {
+ return TabAttributesInternal.persist(name);
+ },
+
+ get(tab) {
+ return TabAttributesInternal.get(tab);
+ },
+
+ set(tab, data = {}) {
+ TabAttributesInternal.set(tab, data);
+ },
+});
+
+var TabAttributesInternal = {
+ _attrs: new Set(),
+
+ persist(name) {
+ if (this._attrs.has(name) || ATTRIBUTES_TO_SKIP.has(name)) {
+ return false;
+ }
+
+ this._attrs.add(name);
+ return true;
+ },
+
+ get(tab) {
+ let data = {};
+
+ for (let name of this._attrs) {
+ if (tab.hasAttribute(name)) {
+ data[name] = tab.getAttribute(name);
+ }
+ }
+
+ return data;
+ },
+
+ set(tab, data = {}) {
+ // Clear attributes.
+ for (let name of this._attrs) {
+ tab.removeAttribute(name);
+ }
+
+ // Set attributes.
+ for (let [name, value] of Object.entries(data)) {
+ if (!ATTRIBUTES_TO_SKIP.has(name)) {
+ tab.setAttribute(name, value);
+ }
+ }
+ },
+};