Feed tooltip based on filters

The feed logo tooltip text is now based on filters.
If no filters are set, it shows "All entries"

static/skin/i18n/en.json

@@ -43,7 +43,8 @@
 	, "magnet-alt-text": "download magnet"
 	, "torrent-download-link-text": "Torrent file"
 	, "torrent-download-alt-text": "download torrent"
-	, "library-opds-feed": "Library OPDS Feed"
+	, "library-opds-feed-all-entries": "Library OPDS Feed - All entries"
 	, "filter-by-tag": "Filter by tag \"{{TAG}}\""
 	, "stop-filtering-by-tag": "Stop filtering by tag \"{{TAG}}\""
+	, "library-opds-feed-parameterised": "Library OPDS Feed - entries matching {{#LANG}}\nLanguage: {{LANG}} {{/LANG}}{{#CATEGORY}}\nCategory: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nTag: {{TAG}} {{/TAG}}{{#Q}}\nQuery: {{Q}} {{/Q}}"
 }

static/skin/i18n/qqq.json

@@ -45,7 +45,8 @@
 	"magnet-alt-text": "Hint for the icon of a magnet link",
 	"torrent-download-link-text": "Link text for downloading the torrent file",
 	"torrent-download-alt-text": "Hint for the icon of torrent download",
-	"library-opds-feed": "Hint for the library OPDS feed link",
 	"filter-by-tag": "Hint for a link that would load results filtered by a single tag",
-	"stop-filtering-by-tag": "Tooltip for the button that cancels filtering by tag"
+	"stop-filtering-by-tag": "Tooltip for the button that cancels filtering by tag",
+	"library-opds-feed-all-entries": "Hint for the library OPDS feed for all entries",
+	"library-opds-feed-parameterised": "Hint for the library OPDS feed for filtered entries"
 }

static/skin/i18n/test.json

@@ -32,7 +32,8 @@
 	, "magnet-alt-text": "download [I18N TESTING] magnet"
 	, "torrent-download-link-text": "Torrent [I18N TESTING] file"
 	, "torrent-download-alt-text": "download [I18N TESTING] torrent"
-	, "library-opds-feed": "Library [I18N] OPDS [TESTING] Feed"
+	, "library-opds-feed-all-entries": "[I18N] Library [TESTING] OPDS Feed - All entries [I18N TESTING]"
 	, "filter-by-tag": "Filter [I18N] by [TESTING] tag \"{{TAG}}\""
 	, "stop-filtering-by-tag": "[I18N] Stop filtering [TESTING] by tag \"{{TAG}}\""
+	, "library-opds-feed-parameterised": "[I18N] Library OPDS Feed - [TESTING] entries matching {{#LANG}}\nLanguage: {{LANG}} {{/LANG}}{{#CATEGORY}}\nCategory: {{CATEGORY}} {{/CATEGORY}}{{#TAG}}\nTag: {{TAG}} {{/TAG}}{{#Q}}\nQuery: {{Q}} {{/Q}}"
 }

static/skin/index.js

@@ -39,6 +39,7 @@
         const feedLink = `${root}/catalog/v2/entries?${filteredParams.toString()}`;
         document.querySelector('#headFeedLink').href = feedLink;
         document.querySelector('#feedLink').href = feedLink;
+        setFeedToolTip();
     }
 
     function changeUILanguage() {
@@ -496,6 +497,28 @@
 
     window.addEventListener('hashchange', () => resetAndFilter());
 
+    function setFeedToolTip() {
+        const feedLogoElem = document.getElementById('feedLogo');
+        const libraryOpdsFeedHint = opdsFeedHintByParams();
+        for (const attr of ["alt", "aria-label", "title"] ) {
+            feedLogoElem.setAttribute(attr, libraryOpdsFeedHint);
+        }
+    }
+
+    function opdsFeedHintByParams() {
+        const paramObj = {};
+        const inputParams = new FragmentParams(window.location.hash);
+        for (const [key, value] of inputParams) {
+            if ( value != '' ) {
+                paramObj[key.toUpperCase()] = value;
+            }
+        }
+        if (!paramObj.LANG && !paramObj.CATEGORY && !paramObj.TAG && !paramObj.Q) {
+            return $t('library-opds-feed-all-entries');
+        }
+        return $t('library-opds-feed-parameterised', paramObj);
+    }
+
     function updateUIText() {
         footer.innerHTML = $t("powered-by-kiwix-html");
         const searchText = $t("search");
@@ -503,11 +526,7 @@
         document.getElementById('searchButton').value = searchText;
         document.getElementById('categoryFilter').children[0].innerHTML = $t("book-filtering-all-categories");
         document.getElementById('languageFilter').children[0].innerHTML = $t("book-filtering-all-languages");
-        const feedLogoElem = document.getElementById('feedLogo');
+        setFeedToolTip();
-        const libraryOpdsFeedHint = $t("library-opds-feed");
-        for (const attr of ["alt", "aria-label", "title"] ) {
-            feedLogoElem.setAttribute(attr, libraryOpdsFeedHint);
-        }
     }
 
     async function onload() {

test/server.cpp

@@ -63,7 +63,7 @@ const ResourceCollection resources200Compressible{
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/index.css" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/index.css?cacheid=e4d76d16" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/index.js" },
-  { STATIC_CONTENT,  "/ROOT%23%3F/skin/index.js?cacheid=cafa3d61" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/index.js?cacheid=78cfd6a2" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/iso6391To3.js" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/iso6391To3.js?cacheid=ecde2bb3" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/isotope.pkgd.min.js" },
@@ -284,7 +284,7 @@ R"EXPECTEDRESULT(      href="/ROOT%23%3F/skin/index.css?cacheid=e4d76d16"
     <script type="text/javascript" src="/ROOT%23%3F/skin/languages.js?cacheid=b00b12db" defer></script>
     <script src="/ROOT%23%3F/skin/isotope.pkgd.min.js?cacheid=2e48d392" defer></script>
     <script src="/ROOT%23%3F/skin/iso6391To3.js?cacheid=ecde2bb3"></script>
-    <script type="text/javascript" src="/ROOT%23%3F/skin/index.js?cacheid=cafa3d61" defer></script>
+    <script type="text/javascript" src="/ROOT%23%3F/skin/index.js?cacheid=78cfd6a2" defer></script>
         <img src="/ROOT%23%3F/skin/feed.svg?cacheid=055b333f"
         <img src="/ROOT%23%3F/skin/langSelector.svg?cacheid=00b59961"
 )EXPECTEDRESULT"