1 files changed, 43 insertions, 0 deletions
diff --git a/src/main/java/at/hannibal2/skyhanni/utils/Timer.kt b/src/main/java/at/hannibal2/skyhanni/utils/Timer.kt
new file mode 100644
index 000000000..55ea90b52
--- /dev/null
+++ b/src/main/java/at/hannibal2/skyhanni/utils/Timer.kt
@@ -0,0 +1,43 @@
+package at.hannibal2.skyhanni.utils
+
+import com.google.gson.annotations.Expose
+import kotlin.time.Duration
+
+class Timer(
+    @Expose
+    var duration: Duration,
+
+    @Expose
+    private var started: SimpleTimeMark = SimpleTimeMark.now(),
+
+    startPaused: Boolean = false
+): Comparable<Timer> {
+
+    @Expose
+    private var paused: SimpleTimeMark? = null
+
+    init {
+        if (startPaused) {
+            paused = started
+        }
+    }
+
+    val ended get() = !remaining.isPositive()
+    val remaining get() = duration - elapsed
+    val elapsed get() = paused?.let { it - started } ?: started.passedSince()
+
+    fun pause() {
+        paused = SimpleTimeMark.now()
+    }
+
+    fun resume() {
+        paused?.let {
+            started = it
+            duration = it - started
+            paused = null
+        }
+    }
+
+    override fun compareTo(other: Timer): Int = remaining.compareTo(other.remaining)
+
+}
+\ No newline at end of file