| package kotlinx.coroutines.experimental.swing |
| |
| import kotlinx.coroutines.experimental.CancellableContinuation |
| import kotlinx.coroutines.experimental.CoroutineDispatcher |
| import kotlinx.coroutines.experimental.Delay |
| import kotlinx.coroutines.experimental.swing.Swing.delay |
| import java.awt.event.ActionListener |
| import java.util.concurrent.TimeUnit |
| import javax.swing.SwingUtilities |
| import javax.swing.Timer |
| |
| /** |
| * Dispatches execution onto Swing event dispatching thread and provides native [delay] support. |
| */ |
| object Swing : CoroutineDispatcher(), Delay { |
| override fun isDispatchNeeded(): Boolean = !SwingUtilities.isEventDispatchThread() |
| override fun dispatch(block: Runnable) = SwingUtilities.invokeLater(block) |
| |
| override fun resumeAfterDelay(time: Long, unit: TimeUnit, continuation: CancellableContinuation<Unit>) { |
| val timerTime = unit.toMillis(time).coerceAtMost(Int.MAX_VALUE.toLong()).toInt() |
| val timer = Timer(timerTime, ActionListener { continuation.resume(Unit) }).apply { |
| isRepeats = false |
| start() |
| } |
| continuation.onCompletion { timer.stop() } |
| } |
| } |