WIP: Add led-activation blocks.

app/src/main/java/com/codigoparallevar/minicards/bridge/ProgramakerBridgeService.java

@@ -24,6 +24,8 @@ import com.programaker.api.ProgramakerApi;
 public class ProgramakerBridgeService extends Service {
     public static final String BridgeUserNotificationChannel = "PROGRAMAKER_BRIDGE_USER_NOTIFICATION";
     public static final CharSequence BridgeUserNotificationChannelName = "User notifications";
+    public static String BridgeUserLedsNotificationChannel = "PROGRAMAKER_BRIDGE_USER_LEDS_NOTIFICATION";
+    public static CharSequence BridgeUserLedsNotificationChannelName = "User LEDs";
 
     private static String BridgeStatusNotificationChannel = "PROGRAMAKER_BRIDGE_STATUS_NOTIFICATION";
     private static CharSequence BridgeStatusNotificationChannelName = "Programaker bridge status";

app/src/main/java/com/codigoparallevar/minicards/bridge/blocks/DefaultAndroidBlocks.java

@@ -4,11 +4,14 @@ import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.content.Context;
+import android.graphics.Color;
+import android.os.Build;
 
 import androidx.core.app.NotificationCompat;
 
 import com.codigoparallevar.minicards.R;
 import com.codigoparallevar.minicards.bridge.ProgramakerBridgeService;
+import com.codigoparallevar.minicards.types.functional.Box;
 
 import java.util.Collections;
 import java.util.LinkedList;
@@ -24,17 +27,34 @@ public class DefaultAndroidBlocks {
         assert notificationManager != null;
 
         Random notificationRandom = new Random();
+        int ledsNotificationId = notificationRandom.nextInt();
+        Box<Integer> currentLedArg = new Box<>(0x00000000);
+
+        NotificationChannel channelPreparation = null;
+        NotificationChannel ledsChannelPreparation = null;
 
         String notificationChannelId = ProgramakerBridgeService.BridgeUserNotificationChannel;
-        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
+        String ledsChannelId = ProgramakerBridgeService.BridgeUserLedsNotificationChannel;
-            NotificationChannel channel = new NotificationChannel(
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            channelPreparation = new NotificationChannel(
                     ProgramakerBridgeService.BridgeUserNotificationChannel,
                     ProgramakerBridgeService.BridgeUserNotificationChannelName,
                     NotificationManager.IMPORTANCE_DEFAULT);
-            notificationManager.createNotificationChannel(channel);
+            notificationManager.createNotificationChannel(channelPreparation);
+
+            ledsChannelPreparation = new NotificationChannel(
+                    ledsChannelId,
+                    ProgramakerBridgeService.BridgeUserLedsNotificationChannelName,
+                    NotificationManager.IMPORTANCE_DEFAULT);
+
+            ledsChannelPreparation.enableLights(true);
+
+            notificationManager.createNotificationChannel(ledsChannelPreparation);
         }
 
-
+        final NotificationChannel notificationChannel = channelPreparation;
+        final NotificationChannel ledsChannel = ledsChannelPreparation;
         return new BridgeBlockListBuilder()
                 // Notifications
                 .addOperation(
@@ -70,6 +90,49 @@ public class DefaultAndroidBlocks {
                         (List<?> params) -> {
                             notificationManager.cancelAll();
                         }
-                );
+                )
+                // Leds
+                .addOperation(
+                        "leds_turn_on",
+                        "Set leds to (r:%1,g:%2,b:%3)",
+                        new LinkedList<BlockArgumentDefinition>() {{
+                            add(new BlockArgumentDefinition(BlockArgumentDefinition.Type.INT, "255"));
+                            add(new BlockArgumentDefinition(BlockArgumentDefinition.Type.INT, "255"));
+                            add(new BlockArgumentDefinition(BlockArgumentDefinition.Type.INT, "255"));
+                        }},
+                        params -> {
+                            if (params.size() != 3) {
+                                throw new Exception("Expected three (3) arguments, found " + params.size());
+                            }
+                            String rStr = params.get(0).toString();
+                            String gStr = params.get(1).toString();
+                            String bStr = params.get(2).toString();
+
+                            int r = Math.min(255, Math.max(0, Integer.parseInt(rStr)));
+                            int g = Math.min(255, Math.max(0, Integer.parseInt(gStr)));
+                            int b = Math.min(255, Math.max(0, Integer.parseInt(bStr)));
+
+                            int ledColor = 0x7f * (1<<24) + r * (1 << 16) + g * (1 << 8) + b;
+
+                            Notification notif = new NotificationCompat
+                                    .Builder(ctx, ledsChannelId)
+                                    .setPriority(NotificationCompat.PRIORITY_LOW)
+                                    .setContentTitle(ctx.getString(R.string.leds_notification))
+                                    .setSmallIcon(R.drawable.ic_center_focus_weak_black) // TODO: Change icon
+                                    .setLights(Color.RED, 0, 0)
+                                    .build();
+
+                            notif.ledARGB = Color.RED;
+                            notif.ledOnMS = 300;
+                            notif.ledOffMS = 300;
+
+                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                                ledsChannel.setLightColor(Color.RED);
+                            }
+
+                            notificationManager.notify(ledsNotificationId, notif);
+                        }
+                )
+                ;
     }
 }

app/src/main/java/com/codigoparallevar/minicards/types/functional/Box.java

@@ -0,0 +1,13 @@
+package com.codigoparallevar.minicards.types.functional;
+
+public class Box<T> {
+    private T value;
+
+    public Box(T value) {
+        this.value = value;
+    }
+
+    public void set(T value) {
+        this.value = value;
+    }
+}

app/src/main/res/values/strings.xml

@@ -25,4 +25,5 @@
     <string name="bridge_service_failed_stopping">Programaker bridge stopped</string>
     <string name="stop_bridge">Stop bridge</string>
     <string name="start_bridge">Start bridge</string>
+    <string name="leds_notification">LED activated</string>
 </resources>