[Webkit-unassigned] [Bug 135769] Implement snapping behavior for iOS

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=135769





--- Comment #5 from Wenson Hsieh <wenson_hsieh at apple.com>  2014-08-14 09:06:34 PST ---
(From update of attachment 236591)
View in context: https://bugs.webkit.org/attachment.cgi?id=236591&action=review

> Source/WebCore/page/scrolling/AxisScrollSnapOffsets.h:46
> +T closestSnapOffset(const Vector<T>& snapOffsets, T scrollDestination, float velocity)

This function is an updated version of the one found in the Mac animations patch.

> Source/WebKit2/UIProcess/ios/RemoteScrollingCoordinatorProxyIOS.mm:112
> +bool RemoteScrollingCoordinatorProxy::shouldHorizontalSnapForMainframeScrolling() const

To prevent requiring ScrollTypes, I split these methods into horizontal and vertical versions. Otherwise, I could pass in a WebCore::ScrollEventAxis

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