From 706a49885faae5aefd7c677e9ccc4adafae84ace Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Tue, 20 Jul 2021 16:53:43 +0200
Subject: [PATCH] goodreads: Add support for descriptions on hover.

---
 catalogues/goodreads_expand.user.js | 31 ++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/catalogues/goodreads_expand.user.js b/catalogues/goodreads_expand.user.js
index fcba78c..bc89a90 100644
--- a/catalogues/goodreads_expand.user.js
+++ b/catalogues/goodreads_expand.user.js
@@ -2,7 +2,7 @@
 // @name           Goodreads expand
 // @description    Show the whole description / author information / book details on goodreads.com.
 // @description:de Zeige die ganze beschreibung / author·inneninformation / buchdetails auf goodreads.com an.
-// @version        2021.04.24.1
+// @version        2021.07.20.1
 // @author         tastytea
 // @copyright      2020, 2021, tastytea (https://tastytea.de/)
 // @license        GPL-3.0-only
@@ -11,8 +11,7 @@
 // @supportURL     https://schlomp.space/tastytea/userscripts/issues
 // @downloadURL    https://schlomp.space/tastytea/userscripts/raw/branch/main/catalogues/goodreads_expand.user.js
 // @grant          none
-// @match          https://www.goodreads.com/book/*
-// @match          https://www.goodreads.com/author/*
+// @match          https://www.goodreads.com/*
 // @run-at         document-end
 // @inject-into    content
 // ==/UserScript==
@@ -55,3 +54,29 @@
          document.getElementById("bookDataBoxShow").setAttribute("style", "display: none;");
      }
  })();
+
+// On-hover book descriptions are getting loaded dynamically, so we have to look
+// for them periodically.
+function userscript_expand_hover_description()
+{
+    const descriptions = document.getElementsByClassName("addBookTipDescription");
+    for (const element of descriptions)
+    {
+        if (element == null)   // null or undefined.
+        {
+            continue;
+        }
+
+        const spans = element.getElementsByTagName("span");
+        if (spans.length >= 2)
+        {
+            spans[1].setAttribute("style", "display: block;");
+            spans[0].setAttribute("style", "display: none;");
+
+            const links = element.getElementsByTagName("a");
+            links[links.length - 1].text = "(less)";
+        }
+    }
+}
+
+setInterval(userscript_expand_hover_description, 1000);