Enable reverse search as well

Author: rstanuwijaya

src/browser/base/content/zen-keysets.inc.xhtml

@@ -50,6 +50,7 @@
 
   <!-- Tab search commands -->
   <command id="cmd_zenSearchTabs" />
+  <command id="cmd_zenBackSearchTabs" />
 </commandset>
 
 <keyset id="zenKeyset"></keyset>

src/browser/components/urlbar/UrlbarMuxerUnifiedComplete-sys-mjs.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/components/urlbar/UrlbarMuxerUnifiedComplete.sys.mjs b/browser/components/urlbar/UrlbarMuxerUnifiedComplete.sys.mjs
-index dcf1af43d62..e31b06580cf 100644
+index dcf1af43d62..17dbaaa66aa 100644
 --- a/browser/components/urlbar/UrlbarMuxerUnifiedComplete.sys.mjs
 +++ b/browser/components/urlbar/UrlbarMuxerUnifiedComplete.sys.mjs
-@@ -117,6 +117,19 @@ class MuxerUnifiedComplete extends UrlbarMuxer {
+@@ -117,6 +117,21 @@ class MuxerUnifiedComplete extends UrlbarMuxer {
        // When you add state, update _copyState() as necessary.
      };
 
@@ -17,6 +17,8 @@ index dcf1af43d62..e31b06580cf 100644
 +        const lastOpenedB = b.payload?.lastOpened|| 0;
 +        return lastOpenedB - lastOpenedA; // Descending order
 +      });
++      unsortedResults[0].heuristic = true
++      unsortedResults[0].providerName = "HeuristicFallback"
 +    }  
 +
      // Do the first pass over all results to build some state.

src/zen/common/zen-sets.js

@@ -98,15 +98,18 @@ document.addEventListener(
             gZenTabUnloader.ignoreUnloadTab();
             break;
           case 'cmd_zenSearchTabs':
-            gURLBar.search("% ");
-            document.activeElement.dispatchEvent(
-              new KeyboardEvent('keydown', {
-                keyCode: 40,      // keycode for ArrowDown
-                bubbles: true,
-                cancelable: true
-              })
-            );
-            setTimeout(() => document.activeElement.select(), 100);
+            if (!gURLBar.view.isOpen) {
+              gURLBar.search("% ");
+            } else {
+              gURLBar.view.selectBy(1);
+            }
+            break;          
+          case 'cmd_zenBackSearchTabs':
+            if (!gURLBar.view.isOpen) {
+              gURLBar.search("% ");
+            } else {
+              gURLBar.view.selectBy(1, {reverse: true});
+            }
             break;
           default:
             if (event.target.id.startsWith('cmd_zenWorkspaceSwitch')) {

src/zen/kbs/ZenKeyboardShortcuts.mjs

@@ -748,6 +748,18 @@ class ZenKeyboardShortcutsLoader {
       )
     );
 
+    newShortcutList.push(
+      new KeyShortcut(
+        'zen-back-search-tabs',
+        'Q',
+        '',
+        'searchAndFind',
+        KeyShortcutModifiers.fromObject({ accel: false, alt: true, shift: true }),
+        'cmd_zenBackSearchTabs',
+        'zen-back-search-shortcut-tabs'
+      )
+    );
+
     return newShortcutList;
   }