Add discovery support in composite driver, refs #332

sarxos · sarxos · commit facdf3b27f5c · 2017-11-03T10:48:04.000+01:00
diff --git a/webcam-capture/src/main/java/com/github/sarxos/webcam/WebcamCompositeDriver.java b/webcam-capture/src/main/java/com/github/sarxos/webcam/WebcamCompositeDriver.java
@@ -4,10 +4,12 @@
 import java.util.List;
 
 
-public class WebcamCompositeDriver implements WebcamDriver {
+public class WebcamCompositeDriver implements WebcamDriver, WebcamDiscoverySupport {
 
 	private List<WebcamDriver> drivers = new ArrayList<WebcamDriver>();
 
+	private int scanInterval = -1;
+
 	public WebcamCompositeDriver(WebcamDriver... drivers) {
 		for (WebcamDriver driver : drivers) {
 			this.drivers.add(driver);
@@ -42,4 +44,21 @@ public boolean isThreadSafe() {
 		}
 		return safe;
 	}
+
+	public void setScanInterval(int scanInterval) {
+		this.scanInterval = scanInterval;
+	}
+
+	@Override
+	public long getScanInterval() {
+		if (scanInterval <= 0) {
+			return DEFAULT_SCAN_INTERVAL;
+		}
+		return scanInterval;
+	}
+
+	@Override
+	public boolean isScanPossible() {
+		return true;
+	}
 }
