Title: [262071] trunk/Source/WebKit
- Revision
- 262071
- Author
- [email protected]
- Date
- 2020-05-22 13:33:30 -0700 (Fri, 22 May 2020)
Log Message
Excessive hang time in iOS Safari under waitForDidUpdateActivityState
https://bugs.webkit.org/show_bug.cgi?id=212272
<rdar://problem/62787789>
Reviewed by Andy Estes.
* UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm:
(WebKit::RemoteLayerTreeDrawingAreaProxy::waitForDidUpdateActivityState):
Make the view state change timeout equivalent on iOS and macOS.
We believe that it is preferable to paint white than block the UI
process main thread for half a second. Reduce the timeout on iOS
to be the same as it has been for years on macOS.
Modified Paths
Diff
Modified: trunk/Source/WebKit/ChangeLog (262070 => 262071)
--- trunk/Source/WebKit/ChangeLog 2020-05-22 20:16:20 UTC (rev 262070)
+++ trunk/Source/WebKit/ChangeLog 2020-05-22 20:33:30 UTC (rev 262071)
@@ -1,3 +1,19 @@
+2020-05-22 Tim Horton <[email protected]>
+
+ Excessive hang time in iOS Safari under waitForDidUpdateActivityState
+ https://bugs.webkit.org/show_bug.cgi?id=212272
+ <rdar://problem/62787789>
+
+ Reviewed by Andy Estes.
+
+ * UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm:
+ (WebKit::RemoteLayerTreeDrawingAreaProxy::waitForDidUpdateActivityState):
+ Make the view state change timeout equivalent on iOS and macOS.
+
+ We believe that it is preferable to paint white than block the UI
+ process main thread for half a second. Reduce the timeout on iOS
+ to be the same as it has been for years on macOS.
+
2020-05-22 Alex Christensen <[email protected]>
Add SPI to unblock third party cookies from WKWebViews with ResourceLoadStatistics turned on
Modified: trunk/Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm (262070 => 262071)
--- trunk/Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm 2020-05-22 20:16:20 UTC (rev 262070)
+++ trunk/Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm 2020-05-22 20:33:30 UTC (rev 262071)
@@ -462,12 +462,7 @@
static Seconds activityStateUpdateTimeout = [] {
if (id value = [[NSUserDefaults standardUserDefaults] objectForKey:@"WebKitOverrideActivityStateUpdateTimeout"])
return Seconds([value doubleValue]);
-
-#if PLATFORM(IOS_FAMILY)
- return Seconds::fromMilliseconds(500);
-#else
return Seconds::fromMilliseconds(250);
-#endif
}();
auto startTime = MonotonicTime::now();
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