When calculating the viewportOffset, we now already take into account that cells will have to shift.
This prevents the creation of temporary empty cells in the layout phase. One test needed to be fixed, since the number of invocations to updateItem() was hardcoded (and it is decreased by this commit). ------------- Commit messages: - When calculating the viewportOffset, we now already take into account that cells will have to shift. Changes: https://git.openjdk.org/jfx/pull/863/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=863&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8291908 Stats: 40 lines in 3 files changed: 38 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jfx/pull/863.diff Fetch: git fetch https://git.openjdk.org/jfx pull/863/head:pull/863 PR: https://git.openjdk.org/jfx/pull/863
