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ap@apple.com authored
https://bugs.webkit.org/show_bug.cgi?id=53823 Print layout sometimes seen on screen <rdar://problem/8948742> REGRESSION (WebKit2) - When I print a page, I visually see it re-layout <rdar://problem/8899389> REGRESSION(WebKit2): Wrong content can appear when print dialog is up * UIProcess/API/mac/PageClientImpl.mm: (WebKit::PageClientImpl::setAutodisplay): Removed a branch that didn't do anything useful. * UIProcess/API/mac/WKPrintingView.h: * UIProcess/API/mac/WKPrintingView.mm: (-[WKPrintingView _suspendAutodisplay]): (-[WKPrintingView _delayedResumeAutodisplayTimerFired]): (-[WKPrintingView _delayedResumeAutodisplay]): (-[WKPrintingView knowsPageRange:]): (-[WKPrintingView beginDocument]): (-[WKPrintingView endDocument]): When page setup changes, or when going from print preview to actual printing, AppKit calls -endDocument just to begin it again. Delay resuming autodisplay until the next run loop iteration. * WebProcess/WebCoreSupport/WebChromeClient.cpp: (WebKit::WebChromeClient::invalidateContentsAndWindow): (WebKit::WebChromeClient::invalidateContentsForSlowScroll): Tightened it up from other side - we should never send pixels to UI process while in printing mode. This is not 100% reliable, because relayout doesn't happen immediately, and we can still have print layout in screen mode - but it helps. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@77701 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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