Implement listener interfaces.

java/src/edu/wpi/cameraserver/VideoEvent.java

@@ -0,0 +1,83 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2016. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+package edu.wpi.cameraserver;
+
+/// Video event
+public class VideoEvent {
+  public enum Type {
+    kSourceCreated(0x0001),
+    kSourceDestroyed(0x0002),
+    kSourceConnected(0x0004),
+    kSourceDisconnected(0x0008),
+    kSourceVideoModesUpdated(0x0010),
+    kSourceVideoModeChanged(0x0020),
+    kSinkCreated(0x0100),
+    kSinkDestroyed(0x0200),
+    kSinkEnabled(0x0400),
+    kSinkDisabled(0x0800),
+    kSourcePropertyCreated(0x1000),
+    kSourcePropertyValueUpdated(0x2000),
+    kSourcePropertyChoicesUpdated(0x4000);
+
+    private int value;
+
+    private Type(int value) {
+      this.value = value;
+    }
+
+    public int getValue() {
+      return value;
+    }
+  }
+  private static final Type[] m_typeValues = Type.values();
+
+  VideoEvent(int type, int source, int sink, String name, int pixelFormat,
+             int width, int height, int fps, int property, int propertyType,
+             int value, String valueStr) {
+    this.type = m_typeValues[type];
+    this.sourceHandle = source;
+    this.sinkHandle = sink;
+    this.name = name;
+    this.mode = new VideoMode(pixelFormat, width, height, fps);
+    this.propertyHandle = property;
+    this.propertyType = VideoProperty.m_typeValues[propertyType];
+    this.value = value;
+    this.valueStr = valueStr;
+  }
+
+  public Type type;
+
+  // Valid for kSource* and kSink* respectively
+  private int sourceHandle;
+  private int sinkHandle;
+
+  // Source/sink name
+  public String name;
+
+  // Fields for kSourceVideoModeChanged event
+  public VideoMode mode;
+
+  // Fields for kSourceProperty* events
+  private int propertyHandle;
+  public VideoProperty.Type propertyType;
+  public int value;
+  public String valueStr;
+
+  public VideoSource getSource() {
+    return new VideoSource(CameraServerJNI.copySource(sourceHandle));
+  }
+
+  public VideoSink getSink() {
+    return new VideoSink(CameraServerJNI.copySink(sinkHandle));
+  }
+
+  public VideoProperty getProperty() {
+    return new VideoProperty(propertyHandle, propertyType);
+  }
+
+}