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Diffstat (limited to 'third_party/WebKit/Source/WebCore/ChangeLog')
| -rw-r--r-- | third_party/WebKit/Source/WebCore/ChangeLog | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/WebKit/Source/WebCore/ChangeLog b/third_party/WebKit/Source/WebCore/ChangeLog index bc6aeb8..ed4a4e2 100644 --- a/third_party/WebKit/Source/WebCore/ChangeLog +++ b/third_party/WebKit/Source/WebCore/ChangeLog @@ -1,3 +1,39 @@ +2012-04-02 Rakesh KN <rakesh.kn@motorola.com> + + Scroll position is lost after hide/show element + https://bugs.webkit.org/show_bug.cgi?id=72852 + + Maintain the scroll position of an overflowing element in the ElementRareData when the scrollable + RenderLayer is destroyed, which can be used to restore the scroll position if the same element gets + back a RenderLayer. + + WebKit behaviour will be the same as Firefox and IE. It differs from Opera as it does not reset the + scroll position when an element is moved to another location in the same document. However Opera resets + the scroll position for elements moved to another document, which matches other browsers. + + Reviewed by Julien Chaffraix. + + Test: fast/overflow/scroll-div-hide-show.html + + * dom/Element.cpp: + (WebCore::Element::removedFromDocument): + Reset the saved scroll offset if the node is moved to another location in the same document or another one. + + (WebCore::Element::savedLayerScrollOffset): + (WebCore::Element::setSavedLayerScrollOffset): + * dom/Element.h: + Add helper functions to access the layer scroll offset from the element's rare data. + + * dom/ElementRareData.h: + (ElementRareData): + Add the scroll offset book-keeping. + + * rendering/RenderLayer.cpp: + (WebCore::RenderLayer::RenderLayer): + Restore the scroll offset. + (WebCore::RenderLayer::~RenderLayer): + Store the scroll offset if document is not being destroyed. + 2012-04-02 Alexis Menard <alexis.menard@openbossa.org> Rename CSSPropertyLonghand files to StylePropertyShorthand. |