From 086c044dc34dfc0f74fbe41f4ecb402b2cd34884 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:13:33 +0200
Subject: Merging upstream version 125.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 browser/components/firefoxview/viewpage.mjs | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

(limited to 'browser/components/firefoxview/viewpage.mjs')

diff --git a/browser/components/firefoxview/viewpage.mjs b/browser/components/firefoxview/viewpage.mjs
index fee02b49d6..83b04faf5d 100644
--- a/browser/components/firefoxview/viewpage.mjs
+++ b/browser/components/firefoxview/viewpage.mjs
@@ -131,7 +131,7 @@ export class ViewPage extends ViewPageContent {
     super();
     this.selectedTab = false;
     this.recentBrowsing = Boolean(this.recentBrowsingElement);
-    this.onVisibilityChange = this.onVisibilityChange.bind(this);
+    this.onTabSelect = this.onTabSelect.bind(this);
     this.onResize = this.onResize.bind(this);
   }
 
@@ -148,14 +148,17 @@ export class ViewPage extends ViewPageContent {
     this.windowResizeTask?.arm();
   }
 
-  onVisibilityChange(event) {
-    if (this.isVisible) {
+  onTabSelect({ target }) {
+    const win = target.ownerGlobal;
+
+    let selfBrowser = window.docShell?.chromeEventHandler;
+    const { gBrowser } = this.getWindow();
+    let isForegroundTab = gBrowser.selectedBrowser == selfBrowser;
+
+    if (win.FirefoxViewHandler.tab?.selected && isForegroundTab) {
       this.paused = false;
       this.viewVisibleCallback();
-    } else if (
-      this.ownerViewPage.selectedTab &&
-      this.ownerDocument.visibilityState == "hidden"
-    ) {
+    } else {
       this.paused = true;
       this.viewHiddenCallback();
     }
@@ -163,19 +166,12 @@ export class ViewPage extends ViewPageContent {
 
   connectedCallback() {
     super.connectedCallback();
-    this.ownerDocument.addEventListener(
-      "visibilitychange",
-      this.onVisibilityChange
-    );
   }
 
   disconnectedCallback() {
     super.disconnectedCallback();
-    this.ownerDocument.removeEventListener(
-      "visibilitychange",
-      this.onVisibilityChange
-    );
     this.getWindow().removeEventListener("resize", this.onResize);
+    this.getWindow().removeEventListener("TabSelect", this.onTabSelect);
   }
 
   updateAllVirtualLists() {
@@ -246,6 +242,7 @@ export class ViewPage extends ViewPageContent {
       this.paused = false;
       this.viewVisibleCallback();
       this.getWindow().addEventListener("resize", this.onResize);
+      this.getWindow().addEventListener("TabSelect", this.onTabSelect);
     }
   }
 
@@ -257,5 +254,6 @@ export class ViewPage extends ViewPageContent {
       this.windowResizeTask?.finalize();
     }
     this.getWindow().removeEventListener("resize", this.onResize);
+    this.getWindow().removeEventListener("TabSelect", this.onTabSelect);
   }
 }
-- 
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