Enhance ZenStartup and ZenThemesImporter for improved animation and URL matching; update migration version in ZenUIMigration for future enhancements

src/browser/base/content/ZenStartup.mjs

@@ -58,7 +58,7 @@
       if (Services.prefs.getBoolPref('zen.watermark.enabled', false)) {
         gZenUIManager.motion
           .animate(
-            '#browser > *, #urlbar',
+            '#browser > *, #urlbar, #tabbrowser-tabbox > *',
             {
               opacity: [0, 1],
             },
@@ -68,7 +68,7 @@
             }
           )
           .then(() => {
-            for (let elem of document.querySelectorAll('#browser > *, #urlbar')) {
+            for (let elem of document.querySelectorAll('#browser > *, #urlbar, #tabbrowser-tabbox > *')) {
               elem.style.removeProperty('opacity');
             }
           });

src/browser/base/zen-components/ZenThemesImporter.mjs

@@ -313,5 +313,10 @@ gZenActorsManager.addJSWindowActor('ZenThemeMarketplace', {
       DOMContentLoaded: {},
     },
   },
-  matches: [...Services.prefs.getStringPref('zen.injections.match-urls').split(','), 'about:preferences'],
+  includeChrome: true,
+  matches: [
+    ...Services.prefs.getStringPref('zen.injections.match-urls').split(','),
+    'about:preferences',
+    'chrome://browser/content/browser.xhtml',
+  ],
 });

src/browser/base/zen-components/ZenUIMigration.mjs

@@ -6,7 +6,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
 
 class ZenUIMigration {
   PREF_NAME = 'zen.migration.version';
-  MIGRATION_VERSION = 1;
+  MIGRATION_VERSION = 2;
 
   init(isNewProfile, win) {
     if (!isNewProfile) {
@@ -27,6 +27,9 @@ class ZenUIMigration {
     if (this._migrationVersion < 1) {
       this._migrateV1(win);
     }
+    if (this._migrationVersion < 2) {
+      this._migrateV2(win);
+    }
   }
 
   clearVariables() {
@@ -56,7 +59,11 @@ class ZenUIMigration {
         },
       ]
     );
-    notification.persistence = -1;
+  }
+
+  async _migrateV2(win) {
+    // Just check for mods updates until we get an actual implementation
+    document.dispatchEvent(new CustomEvent('ZenCheckForThemeUpdates'));
   }
 }