// According to the event's position, change the focus to the first
// hitting cropping rectangle.
private void RecomputeFocus(MotionEvent e)
{
int count = this.MotionHighlightViews.Count;
for (int i = 0; i < count; i++)
{
EmHighlightView hv = this.MotionHighlightViews [i];
hv.Focused = false;
hv.Invalidate();
}
for (int i = 0; i < count; i++)
{
EmHighlightView hv = this.MotionHighlightViews [i];
int edge = hv.GetHit(e.GetX(), e.GetY());
if (edge != HighlightView.GrowNone)
{
if (!hv.Focused)
{
hv.Focused = true;
hv.Invalidate();
}
break;
}
}
this.Invalidate();
}
protected override void PostTranslate(float deltaX, float deltaY)
{
base.PostTranslate(deltaX, deltaY);
int count = this.MotionHighlightViews.Count;
for (int i = 0; i < count; i++)
{
EmHighlightView hv = this.MotionHighlightViews [i];
hv.Matrix.PostTranslate(deltaX, deltaY);
hv.Invalidate();
}
}