fix: Use exponential back-off for offscreen canvas polling (#8811)

tobiu · tobiu · commit 21563bcef17c · 2026-01-19T14:59:48.000+01:00
diff --git a/src/component/Canvas.mjs b/src/component/Canvas.mjs
@@ -66,7 +66,8 @@ class Canvas extends Component {
             }
 
             if (offscreen) {
-                let data;
+                let data,
+                    delay = 50;
 
                 while (me.mounted && !me.offscreenRegistered && !me.isDestroyed) {
                     data = await Neo.main.DomAccess.getOffscreenCanvas({
@@ -97,7 +98,11 @@ class Canvas extends Component {
                         }
                     }
 
-                    await me.timeout(50)
+                    await me.timeout(delay);
+
+                    if (delay < 1000) {
+                        delay *= 2
+                    }
                 }
             }
         } else if (offscreen) {

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,8 @@ class Canvas extends Component {`
`66`	`66`	`}`
`67`	`67`
`68`	`68`	`if (offscreen) {`
`69`		`- let data;`
	`69`	`+ let data,`
	`70`	`+ delay = 50;`
`70`	`71`
`71`	`72`	`while (me.mounted && !me.offscreenRegistered && !me.isDestroyed) {`
`72`	`73`	`data = await Neo.main.DomAccess.getOffscreenCanvas({`
`@@ -97,7 +98,11 @@ class Canvas extends Component {`
`97`	`98`	`}`
`98`	`99`	`}`
`99`	`100`
`100`		`- await me.timeout(50)`
	`101`	`+ await me.timeout(delay);`
	`102`	`+`
	`103`	`+ if (delay < 1000) {`
	`104`	`+ delay *= 2`
	`105`	`+ }`
`101`	`106`	`}`
`102`	`107`	`}`
`103`	`108`	`} else if (offscreen) {`