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bweinstein@apple.com authored
Reviewed by Eric Seidel. Fixes two bugs about Pan Scrolling - Scrolling with middle mouse button doesn't work in Expanded view on reader.google.com, and Can enter auto scroll from a non-scrollable area. https://bugs.webkit.org/show_bug.cgi?id=28023 https://bugs.webkit.org/show_bug.cgi?id=24794 Added a new method to RenderBox seeing if the Box can be scrolled and actually has something to scroll, and use that for pan scrolling. Test: platform/win/fast/events/panScroll-nested-divs.html * page/EventHandler.cpp: (WebCore::EventHandler::handleMouseDraggedEvent): (WebCore::EventHandler::updateAutoscrollRenderer): (WebCore::EventHandler::handleMousePressEvent): * rendering/RenderBox.cpp: (WebCore::RenderBox::canBeScrolledAndHasScrollableArea): * rendering/RenderBox.h: * rendering/RenderLayer.cpp: (WebCore::RenderLayer::scrollByRecursively): 2009-08-12 Brian Weinstein <bweinstein@apple.com> Reviewed by Eric Seidel. Added a Windows test for https://bugs.webkit.org/show_bug.cgi?id=28023. * platform/win/fast/events/panScroll-nested-divs-expected.txt: Added. * platform/win/fast/events/panScroll-nested-divs.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@47163 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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