[Webkit-unassigned] [Bug 84933] [EFL] scrolling with fixed position does not work correctly when using ewk_view_tiled.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=84933





--- Comment #3 from Ryuan Choi <ryuan.choi at samsung.com>  2012-05-08 16:29:04 PST ---
(From update of attachment 140686)
View in context: https://bugs.webkit.org/attachment.cgi?id=140686&action=review

Thanks for the patch.

> Source/WebKit/efl/ChangeLog:9
> +        Sets backing store's full offeset when ChromeClientEfl::invalidateContentsForSlowScroll is
> +        called.

Could you explain more?

And I think that this patch can fix compositing/geometry/fixed-position.html now.

Could you rebase it and add some comment about it?

> Source/WebKit/efl/ewk/ewk_view.h:145
> +    void (*backing_store_offset_update)(Ewk_View_Smart_Data *sd);

Are there any use case that any applications want to override this?

IMO, it is better not to touch public structure if not.

If you want to use it only for ewk_view_tiled,
What do you think about just adding EWK_VIEW_TYPE_CHECK_OR_RETURN in ewk_view_scroll_offset_update
like ewk_view_frame_view_creation_notify?

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