Work down some todo items, update to kotlin 1.3-rc

1 files changed, 31 insertions, 0 deletions

diff --git a/src/main/kotlin/io/dico/parcels2/util/MainThreadDispatcher.kt b/src/main/kotlin/io/dico/parcels2/util/MainThreadDispatcher.kt
new file mode 100644
index 0000000..b1d18ab
--- /dev/null
+++ b/src/main/kotlin/io/dico/parcels2/util/MainThreadDispatcher.kt
@@ -0,0 +1,31 @@
+package io.dico.parcels2.util
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Runnable
+import org.bukkit.plugin.Plugin
+import kotlin.coroutines.CoroutineContext
+
+abstract class MainThreadDispatcher : CoroutineDispatcher() {
+    abstract val mainThread: Thread
+    abstract fun runOnMainThread(task: Runnable)
+}
+
+@Suppress("FunctionName")
+fun MainThreadDispatcher(plugin: Plugin): MainThreadDispatcher {
+    return object : MainThreadDispatcher() {
+        override val mainThread: Thread = Thread.currentThread()
+
+        override fun dispatch(context: CoroutineContext, block: Runnable) {
+            doDispatch(block)
+        }
+
+        override  fun runOnMainThread(task: Runnable) {
+            doDispatch(task)
+        }
+
+        private fun doDispatch(task: Runnable) {
+            if (Thread.currentThread() === mainThread) task.run()
+            else plugin.server.scheduler.runTaskLater(plugin, task, 0)
+        }
+    }
+}
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