private void RollAfterDrag()
{
const double ROLL_THRESHOLD = 1;
const double ROLL_FALLOFF = 1.05;
current_scroll_gamma.X /= ROLL_FALLOFF;
current_scroll_gamma.Y /= ROLL_FALLOFF;
Scroll(current_scroll_gamma);
// Check if we should keep going
// Utilities.LockPerfTimer l1_clk = Utilities.LockPerfChecker.Start();
lock (thread_lock)
{
// l1_clk.LockPerfTimerStop();
if (Math.Abs(current_scroll_gamma.X) < ROLL_THRESHOLD && Math.Abs(current_scroll_gamma.Y) < ROLL_THRESHOLD)
{
is_someone_scrolling = false;
}
else
{
WPFDoEvents.InvokeAsyncInUIThread(() => RollAfterDrag(), DispatcherPriority.Background);
}
}
}
private void BackgroundQueueRollAfterDrag(Point gamma)
{
current_scroll_gamma.X = gamma.X;
current_scroll_gamma.Y = gamma.Y;
// Utilities.LockPerfTimer l1_clk = Utilities.LockPerfChecker.Start();
lock (thread_lock)
{
// l1_clk.LockPerfTimerStop();
if (!is_someone_scrolling)
{
is_someone_scrolling = true;
WPFDoEvents.InvokeAsyncInUIThread(() => RollAfterDrag(), DispatcherPriority.Background);
}
}
}