From 053efb61f08df95b60c82397c50de38bfea8dec1 Mon Sep 17 00:00:00 2001
From: donteatfriedrice <chs@bupt.cn>
Date: Thu, 5 Jun 2025 02:28:32 +0000
Subject: [PATCH] fix(editor): should set event dispatcher active as false when
 document is hidden (#12559)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

- **New Features**
  - The application now automatically becomes inactive when the document is hidden, improving resource management and responsiveness to visibility changes.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---
 blocksuite/framework/std/src/event/dispatcher.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/blocksuite/framework/std/src/event/dispatcher.ts b/blocksuite/framework/std/src/event/dispatcher.ts
index 82ce2fee74..8d567893c7 100644
--- a/blocksuite/framework/std/src/event/dispatcher.ts
+++ b/blocksuite/framework/std/src/event/dispatcher.ts
@@ -220,6 +220,12 @@ export class UIEventDispatcher extends LifeCycleWatcher {
 
       this._setActive(false);
     });
+    // When the document is hidden, the event dispatcher should be inactive
+    this.disposables.addFromEvent(document, 'visibilitychange', () => {
+      if (document.visibilityState === 'hidden') {
+        this._setActive(false);
+      }
+    });
   }
 
   private _buildEventScopeBySelection(name: EventName) {