Add loop timer infobox

Add loop timer infobox that will keep looping through specified
interval.

Signed-off-by: Tomas Slusny <slusnucky@gmail.com>

runelite-client/src/main/java/net/runelite/client/ui/overlay/infobox/LoopTimer.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2019, Tomas Slusny <slusnucky@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.client.ui.overlay.infobox;
+
+import com.google.common.base.Preconditions;
+import java.awt.Color;
+import java.awt.image.BufferedImage;
+import java.time.Duration;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import lombok.Getter;
+import lombok.ToString;
+import net.runelite.client.plugins.Plugin;
+
+@Getter
+@ToString
+public class LoopTimer extends InfoBox
+{
+	private final Instant startTime;
+	private final Duration duration;
+	private final boolean reverse;
+
+	public LoopTimer(long period, ChronoUnit unit, BufferedImage image, Plugin plugin, boolean reverse)
+	{
+		super(image, plugin);
+
+		Preconditions.checkArgument(period > 0, "negative period!");
+
+		startTime = Instant.now();
+		duration = Duration.of(period, unit);
+		this.reverse = reverse;
+	}
+
+	public LoopTimer(long period, ChronoUnit unit, BufferedImage image, Plugin plugin)
+	{
+		this(period, unit, image, plugin, false);
+	}
+
+	@Override
+	public String getText()
+	{
+		final Duration progress = getProgress();
+		final int seconds = (int) (progress.toMillis() / 1000L);
+		final int minutes = (seconds % 3600) / 60;
+		final int secs = seconds % 60;
+		return String.format("%d:%02d", minutes, secs);
+	}
+
+	@Override
+	public Color getTextColor()
+	{
+		final Duration progress = getProgress();
+
+		// check if timer has 10% of time left
+		if (progress.getSeconds() < (duration.getSeconds() * .10))
+		{
+			return Color.RED.brighter();
+		}
+
+		return Color.WHITE;
+	}
+
+	private Duration getProgress()
+	{
+		final Duration passed = Duration.between(startTime, Instant.now());
+		final long passedMillis = passed.toMillis();
+		final long durationMillis = duration.toMillis();
+		final long progress = passedMillis % durationMillis;
+
+		return Duration.ofMillis(reverse
+			? durationMillis - progress
+			: progress);
+	}
+}