Added a device listener

[kaka/cakelight.git] / src / kaka / cakelight / VideoMode.java

diff --git a/src/kaka/cakelight/VideoMode.java b/src/kaka/cakelight/VideoMode.java
index 53cf09b..e0dc386 100644 (file)
--- a/src/kaka/cakelight/VideoMode.java
+++ b/src/kaka/cakelight/VideoMode.java
@@ -1,33 +1,38 @@
 package kaka.cakelight;
 
+import java.io.File;
 import java.io.IOException;
 import java.util.Optional;
 import java.util.function.Consumer;
 
-import static kaka.cakelight.Main.log;
-import static kaka.cakelight.Main.timeIt;
-
-public class VideoMode implements Mode {
+public class VideoMode implements Mode, Consumer<Optional<File>> {
     private Configuration config;
     private Thread thread;
     private Consumer<Frame> frameConsumer;
+    private VideoDeviceListener deviceListener;
+
+    public VideoMode() {
+        deviceListener = new VideoDeviceListener();
+        deviceListener.onVideoDeviceChange(this);
+    }
 
     @Override
     public void enter(Configuration config) {
         this.config = config;
-        startGrabberThread();
+        deviceListener.startListening();
     }
 
     @Override
     public void exit() {
         thread.interrupt();
+        deviceListener.stopListening();
     }
 
-    private void startGrabberThread() {
+    private void startGrabberThread(File videoDevice) {
         assert frameConsumer != null;
         thread = new Thread() {
             public void run() {
-                try (FrameGrabber grabber = FrameGrabber.from(config)) {
+                try (FrameGrabber grabber = FrameGrabber.from(videoDevice, config)) {
                     while (!isInterrupted()) {
 //                        Optional<Frame> frame = grabber.grabFrame();
                         grabber.grabFrame().ifPresent(frameConsumer);
@@ -46,4 +51,13 @@ public class VideoMode implements Mode {
     public void onFrame(Consumer<Frame> consumer) {
         frameConsumer = consumer;
     }
+
+    @Override
+    public void accept(Optional<File> videoDevice) {
+        // Should only happen when this mode is active!
+        if (thread != null) {
+            thread.interrupt();
+        }
+        videoDevice.ifPresent(this::startGrabberThread);
+    }
 }