protected virtual void RebuildLayoutDueToScrollViewSizeChange()
{
MarkViewsHoldersForRebuild(_VisibleItems);
ClearCachedRecyclableItems();
Canvas.ForceUpdateCanvases();
_Collocation.InitIfNeeded(this);
_InternalState.CacheScrollViewInfo(); // update vp size etc.
_ItemsDesc.maxVisibleItemsSeenSinceLastScrollViewSizeChange = 0;
_ItemsDesc.destroyedItemsSinceLastScrollViewSizeChange = 0;
Refresh();
}
/// <summary>
/// <para>Called mainly when it's detected that the scroll view's size has changed. Marks everything for a layout rebuild and then calls Canvas.ForceUpdateCanvases(). </para>
/// <para>IMPORTANT: Make sure to override <see cref="AbstractViewsHolder.MarkForRebuild"/> in your views holder implementation if you have child layout groups and call LayoutRebuilder.MarkForRebuild() on them</para>
/// </summary>
protected virtual void RebuildLayoutDueToScrollViewSizeChange()
{
//float viewportSizeBefore = _InternalState.viewportSize;
MarkViewsHoldersForRebuild(_VisibleItems);
//MarkViewsHoldersForRebuild(_RecyclableItems);
ClearCachedRecyclableItems();
Canvas.ForceUpdateCanvases();
_Params.InitIfNeeded(this);
if (_Params.Snapper)
{
_Params.Snapper.Adapter = this;
}
_InternalState.CacheScrollViewInfo(); // update vp size etc.
_ItemsDesc.maxVisibleItemsSeenSinceLastScrollViewSizeChange = 0;
_ItemsDesc.destroyedItemsSinceLastScrollViewSizeChange = 0;
//_InternalState.layoutRebuildPendingDueToScrollViewSizeChangeEvent = false;
//float viewportSizeChange = _InternalState.viewportSize - viewportSizeBefore;
Refresh();
//if (_InternalState.lastComputeVisibilityHadATwinPass)
//{
// // This fixes some items not appearing after rotation to portrait (in the chat demo)
// ComputeVisibilityForCurrentPosition(false, true, true, -.1f);
// ComputeVisibilityForCurrentPosition(true, true, true, .1f);
//}
//_InternalState.layoutIsBeingRebuildDueToScrollViewSizeChangeEvent = false;
//_InternalState.OnItemsCountChanged(_ItemsDesc.itemsCount, false);
//ComputeVisibilityForCurrentPosition(true, true, true);
//if (!_CorrectedPositionInCurrentComputeVisibilityPass)
// CorrectPositionsOfVisibleItems(true);
//Refresh();
}