1 files changed, 56 insertions, 0 deletions
diff --git a/demokit/app/src/com/google/android/DemoKit/RelayController.java b/demokit/app/src/com/google/android/DemoKit/RelayController.java
new file mode 100644
index 0000000..d08516f
--- /dev/null
+++ b/demokit/app/src/com/google/android/DemoKit/RelayController.java
@@ -0,0 +1,56 @@
+package com.google.android.DemoKit;
+
+import android.content.res.Resources;
+import android.graphics.drawable.Drawable;
+import android.text.SpannableStringBuilder;
+import android.text.style.RelativeSizeSpan;
+import android.text.style.SubscriptSpan;
+import android.view.ViewGroup;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.TextView;
+import android.widget.ToggleButton;
+
+public class RelayController implements OnCheckedChangeListener {
+	private final int mRelayNumber;
+	private final byte mCommandTarget;
+	private DemoKitActivity mActivity;
+	private TextView mLabel;
+	private ToggleButton mButton;
+	private Drawable mOffBackground;
+	private Drawable mOnBackground;
+
+	public RelayController(DemoKitActivity activity, int relayNumber,
+			Resources res) {
+		mActivity = activity;
+		mRelayNumber = relayNumber;
+		mCommandTarget = (byte) (relayNumber - 1);
+		mOffBackground = res
+				.getDrawable(R.drawable.toggle_button_off_holo_dark);
+		mOnBackground = res.getDrawable(R.drawable.toggle_button_on_holo_dark);
+	}
+
+	public void attachToView(ViewGroup targetView) {
+		mLabel = (TextView) targetView.getChildAt(0);
+		SpannableStringBuilder ssb = new SpannableStringBuilder("Relay");
+		ssb.append(String.valueOf(mRelayNumber));
+		ssb.setSpan(new SubscriptSpan(), 5, 6, 0);
+		ssb.setSpan(new RelativeSizeSpan(0.7f), 5, 6, 0);
+		mLabel.setText(ssb);
+		mButton = (ToggleButton) targetView.getChildAt(1);
+		mButton.setOnCheckedChangeListener(this);
+	}
+
+	public void onCheckedChanged(CompoundButton arg0, boolean isChecked) {
+		if (isChecked) {
+			mButton.setBackgroundDrawable(mOnBackground);
+		} else {
+			mButton.setBackgroundDrawable(mOffBackground);
+		}
+		if (mActivity != null) {
+			mActivity.sendCommand(DemoKitActivity.RELAY_COMMAND,
+					mCommandTarget, isChecked ? 1 : 0);
+		}
+	}
+
+}