public void UpdateSnackbar(CoordinatorLayout parent, View dependency, View child)
{
if (!_isTablet && _isShy && dependency is Snackbar.SnackbarLayout)
{
if (_snackbarHeight == -1)
{
_snackbarHeight = dependency.Height;
}
if (Math.Abs(ViewCompat.GetTranslationY(child)) > double.Epsilon)
{
return;
}
var targetPadding = _bottomNavHeight + _snackbarHeight - _defaultOffset;
var layoutParams = (ViewGroup.MarginLayoutParams)dependency.LayoutParameters;
layoutParams.BottomMargin = targetPadding;
child.BringToFront();
child.Parent.RequestLayout();
if (Build.VERSION.SdkInt < BuildVersionCodes.Kitkat)
{
((View)child.Parent).Invalidate();
}
}
}
private View FindViewUnder()
{
int count = this.GetAdapter().ItemCount;
for (int i = count - 1; i >= 0; i--)
{
View child = GetChildAt(i);
if (child == null)
{
continue;
}
Region r = null;
if (((LinearLayoutManager)GetLayoutManager()).Orientation == LinearLayoutManager.Horizontal)
{
float translationX = ViewCompat.GetTranslationX(child);
r = new Region(
new Rect(
(int)(child.Left + translationX),
hoverCellCurrentBounds.Top,
(int)(child.Right + translationX),
hoverCellCurrentBounds.Bottom));
}
else
{
float translationY = ViewCompat.GetTranslationY(child);
r = new Region(
new Rect(
hoverCellCurrentBounds.Left,
(int)(child.Top + translationY),
hoverCellCurrentBounds.Right,
(int)(child.Bottom + translationY)));
}
r.InvokeOp(hoverCellCurrentBounds, Region.Op.Intersect);
if (!r.IsEmpty)
{
var ratio = (float)(r.Bounds.Width() * r.Bounds.Height())
/ (float)(hoverCellCurrentBounds.Width() * hoverCellCurrentBounds.Height());
LogHelper.Debug(TAG, string.Format("#{0}# is overlapped, ratio = {1}", (char)GetChildItemId(child), ratio));
if (ratio > 0.5)
{
if (GetChildItemId(child) == mobileItemId)
{
return(null);
}
LogHelper.Debug(TAG, string.Format("Swap with: {0}", (char)GetChildItemId(child)));
return(child);
}
}
}
return(null);
}
public static bool HitTest(this View v, int x, int y)
{
var tx = (int)(ViewCompat.GetTranslationX(v) + 0.5f);
var ty = (int)(ViewCompat.GetTranslationY(v) + 0.5f);
var left = v.Left + tx;
var right = v.Right + tx;
var top = v.Top + ty;
var bottom = v.Bottom + ty;
return(x >= left && x <= right && y >= top && y <= bottom);
}
private float GetTranslationY(CoordinatorLayout parent, View child)
{
float minOffset = 0.0F;
var dependencies = parent.GetDependencies(child);
int i = 0;
for (int z = dependencies.Count; i < z; ++i)
{
View view = (View)dependencies[i];
if (IsInstanceOf <Snackbar.SnackbarLayout>(view) && parent.DoViewsOverlap(child, view))
{
minOffset = Math.Min(minOffset, ViewCompat.GetTranslationY(view) - (float)view.Height);
}
}
return(minOffset);
}
private static float GetTranslationY(CoordinatorLayout parent, Android.Views.View child)
{
var minOffset = 0.0F;
var dependencies = parent.GetDependencies(child);
var i = 0;
for (var z = dependencies.Count; i < z; ++i)
{
var view = dependencies[i];
if (IsInstanceOf <Snackbar.SnackbarLayout>(view) && parent.DoViewsOverlap(child, view))
{
minOffset = Math.Min(minOffset, ViewCompat.GetTranslationY(view) - view.Height);
}
}
return(minOffset);
}
public override bool OnDependentViewChanged(CoordinatorLayout parent, Java.Lang.Object child, View dependency)
{
// Move the fab vertically to place correctly wrt the info pane
var fab = child.JavaCast <SwitchableFab> ();
var currentInfoPaneY = ViewCompat.GetTranslationY(dependency);
var newTransY = (int)Math.Max(0, dependency.Height - currentInfoPaneY - minMarginBottom - fab.Height / 2);
ViewCompat.SetTranslationY(fab, -newTransY);
// If alternating between open/closed state, change the FAB face
if (wasOpened ^ ((InfoPane)dependency).Opened)
{
fab.Switch();
wasOpened = !wasOpened;
}
return(true);
}
// Long Press
public override void OnLongPress(MotionEvent e)
{
container.downX = (int)e.GetX();
container.downY = (int)e.GetY();
container.activePointerId = e.GetPointerId(0);
container.totalOffsetY = 0;
container.totalOffsetX = 0;
View selectedView = container.FindChildViewUnder(container.downX, container.downY);
if (selectedView == null)
{
return;
}
var vh = container.GetChildViewHolder(selectedView) as DraggableViewHolder;
if (vh == null)
{
return;
}
float translationX = ViewCompat.GetTranslationX(selectedView);
float translationY = ViewCompat.GetTranslationY(selectedView);
var selectedViewRect = new Rect(
(int)(selectedView.Left + translationX),
(int)(selectedView.Top + translationY),
(int)(selectedView.Right + translationX),
(int)(selectedView.Bottom + translationY));
if (!vh.CanDrag(selectedViewRect, container.downX, container.downY))
{
return;
}
container.mobileItemId = container.GetChildItemId(selectedView);
container.hoverCell = container.GetAndAddHoverView(selectedView);
selectedView.Visibility = ViewStates.Invisible;
container.cellIsMobile = true;
}
public void UpdateSnackbar(CoordinatorLayout parent, View dependency, View child)
{
if (!_isTablet && _isShy && dependency is Snackbar.SnackbarLayout)
{
if (_snackbarHeight == -1)
{
_snackbarHeight = dependency.Height;
}
if (Math.Abs(ViewCompat.GetTranslationY(child)) > double.Epsilon)
{
return;
}
var targetPadding = _snackbarHeight + _bottomNavHeight - _defaultOffset;
dependency.SetPadding(
dependency.PaddingLeft, dependency.PaddingTop, dependency.PaddingRight, targetPadding
);
}
}