1 files changed, 48 insertions, 0 deletions
diff --git a/comm/mailnews/base/content/junkLog.js b/comm/mailnews/base/content/junkLog.js
new file mode 100644
index 0000000000..7f2b73edf7
--- /dev/null
+++ b/comm/mailnews/base/content/junkLog.js
@@ -0,0 +1,48 @@
+/* -*- Mode: JavaScript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+var { MailE10SUtils } = ChromeUtils.import(
+  "resource:///modules/MailE10SUtils.jsm"
+);
+
+var gLogView;
+var gLogFile;
+
+window.addEventListener("DOMContentLoaded", onLoad);
+
+function onLoad() {
+  gLogView = document.getElementById("logView");
+  gLogView.browsingContext.allowJavascript = false; // for security, disable JS
+
+  gLogView.addEventListener("load", () => {
+    addStyling();
+  });
+
+  gLogFile = Services.dirsvc.get("ProfD", Ci.nsIFile);
+  gLogFile.append("junklog.html");
+  if (gLogFile.exists()) {
+    MailE10SUtils.loadURI(gLogView, Services.io.newFileURI(gLogFile).spec);
+  } else {
+    addStyling(); // set style for initial about:blank
+  }
+}
+
+function clearLog() {
+  if (gLogFile.exists()) {
+    gLogFile.remove(false);
+    gLogView.setAttribute("src", "about:blank"); // we don't have a log file to show
+  }
+}
+
+function addStyling() {
+  let style = gLogView.contentDocument.createElement("style");
+  gLogView.contentDocument.head.appendChild(style);
+  style.sheet.insertRule(
+    `@media (prefers-color-scheme: dark) {
+       :root { scrollbar-color: rgba(249, 249, 250, .4) rgba(20, 20, 25, .3);}
+       body { color: #f9f9fa; }
+     }`
+  );
+}