151189 2015-11-12 05:19:33 -0800 XMLHttpRequest should emit one LOADING state change event. 2022-06-29 23:11:30 -0700 1 1 1 Unclassified WebKit XML WebKit Nightly Build Unspecified Unspecified RESOLVED CONFIGURATION CHANGED https://bugs.webkit.org/show_bug.cgi?id=159893 P2 Normal --- 1 youennf youennf ahmad.saleem792 ap darin rniwa oldest_to_newest 1141457 0 youennf 2015-11-12 05:19:33 -0800 As per the spec, XMLHttpRequest should emit one LOADING state change event. Currently, it is sending one for each received chunk as a way to keep track of progress. Now that progress events are available, we can probably safely remove the emition of several LOADING events. Firefox and Chrome are passing http://www.w3c-test.org/XMLHttpRequest/event-readystatechange-loaded.htm 1141459 1 265386 youennf 2015-11-12 05:22:23 -0800 Created attachment 265386 Patch 1141509 2 265386 ap 2015-11-12 09:49:14 -0800 Comment on attachment 265386 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=265386&action=review > Source/WebCore/ChangeLog:11 > + (WebCore::XMLHttpRequest::didReceiveData): Removing emition of LOADING state change event for each receiving chunk. Do you know when this behavior changed in Chrome and Firefox? Progress events are a relatively new feature, so I suspect that many web pages could still rely on getting state change. 1141529 3 youennf 2015-11-12 10:22:03 -0800 (In reply to comment #2) > Comment on attachment 265386 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=265386&action=review > > > Source/WebCore/ChangeLog:11 > > + (WebCore::XMLHttpRequest::didReceiveData): Removing emition of LOADING state change event for each receiving chunk. > > Do you know when this behavior changed in Chrome and Firefox? Progress > events are a relatively new feature, so I suspect that many web pages could > still rely on getting state change. I was also surprised to see that test actually passing as it was not beginning of this year. Just looking at blink source code, it seems that LOADING events are still emitted though. I am not sure why http://www.w3c-test.org/XMLHttpRequest/event-readystatechange-loaded.htm is passing. I will do further investigations. 1141830 4 youennf 2015-11-13 07:00:10 -0800 (In reply to comment #3) > (In reply to comment #2) > > Comment on attachment 265386 [details] > > Patch > > > > View in context: > > https://bugs.webkit.org/attachment.cgi?id=265386&action=review > > > > > Source/WebCore/ChangeLog:11 > > > + (WebCore::XMLHttpRequest::didReceiveData): Removing emition of LOADING state change event for each receiving chunk. > > > > Do you know when this behavior changed in Chrome and Firefox? Progress > > events are a relatively new feature, so I suspect that many web pages could > > still rely on getting state change. > > I was also surprised to see that test actually passing as it was not > beginning of this year. Just looking at blink source code, it seems that > LOADING events are still emitted though. > > I am not sure why > http://www.w3c-test.org/XMLHttpRequest/event-readystatechange-loaded.htm is > passing. I will do further investigations. I confirmed that Chrome and Firefox are emiting several LOADING events for http/tests/xmlhttprequest/interactive-state.html and http/tests/xmlhttprequest/small-chunks-response-text.html. I did not have time to check why http://www.w3c-test.org/XMLHttpRequest/event-readystatechange-loaded.htm is passing though. I wonder whether we should not mark this test and this bug as WONTFIX, given XHR being freezing/stabilizing. 1878850 5 ahmad.saleem792 2022-06-28 12:56:30 -0700 Following test case is now moved to WPT (Web Platform Tests) and Safari is passing this: https://wpt.fyi/results/xhr/event-readystatechange-loaded.any.html?label=master&label=experimental&aligned Although - Chrome is failing it now and they are tracking it via following bug (not updated in a year) - https://bugs.chromium.org/p/chromium/issues/detail?id=651750 Just wanted to share updated status. 1879270 6 rniwa 2022-06-29 23:11:30 -0700 Closing as config changed since the test is passing for WebKit / Safari now. 265386 2015-11-12 05:22:23 -0800 2015-11-12 10:18:47 -0800 Patch bug-151189-20151112142216.patch text/plain 10551 youennf U3VidmVyc2lvbiBSZXZpc2lvbjogMTkyMzU4CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggYjJkZmU0MTlkNmQzZDRk 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