From 46ee5a54996d72ca27e715c0ec83ae091ca9292a Mon Sep 17 00:00:00 2001
From: Daniele Gobbetti <daniele+github@gobbetti.name>
Date: Fri, 31 Jul 2015 13:48:11 +0200
Subject: [PATCH] Send the wear location (left hand / right hand) to the
 MiBand.

---
 .../miband/MiBandCoordinator.java             |  9 ++++++++
 .../gadgetbridge/miband/MiBandService.java    |  4 ++--
 .../gadgetbridge/miband/MiBandSupport.java    | 23 +++++++++++++++++++
 3 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandCoordinator.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandCoordinator.java
index afdc3e4e..14e6c21e 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandCoordinator.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandCoordinator.java
@@ -107,6 +107,15 @@ public class MiBandCoordinator implements DeviceCoordinator {
         return info;
     }
 
+    public static int getWearLocation(String miBandAddress) throws IllegalArgumentException {
+        int location = 0; //left hand
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(GBApplication.getContext());
+        if (prefs.getString(MiBandConst.PREF_MIBAND_WEARSIDE, "left") == "right") {
+            location = 1; // right hand
+        }
+        return location;
+    }
+
     public static int getFitnessGoal(String miBandAddress) throws IllegalArgumentException {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(GBApplication.getContext());
         return Integer.parseInt(prefs.getString(MiBandConst.PREF_MIBAND_FITNESS_GOAL, "10000"));
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandService.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandService.java
index c376c10c..0aa80372 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandService.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandService.java
@@ -141,6 +141,8 @@ public class MiBandService {
 
     public static final byte COMMAND_REBOOT = 0xc;
 
+    public static final byte COMMAND_SET_WEAR_LOCATION = 0xf;
+
     public static final byte COMMAND_STOP_MOTOR_VIBRATE = 0x13;
 
     /*
@@ -148,10 +150,8 @@ public class MiBandService {
 
 	public static final byte COMMAND_FACTORY_RESET = 0x9t;
 
-
 	public static final byte COMMAND_GET_SENSOR_DATA = 0x12t
 
-
 	public static final int COMMAND_SET_COLOR_THEME = et;
 
 	public static final COMMAND_SET_REALTIME_STEP = 0x10t
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java
index f6e3e61b..255df734 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java
@@ -97,6 +97,7 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
         builder.add(new SetDeviceStateAction(getDevice(), State.INITIALIZING, getContext()));
         pair(builder)
                 .sendUserInfo(builder)
+                .setWearLocation(builder)
                 .setFitnessGoal(builder)
                 .enableNotifications(builder, true)
                 .setCurrentTime(builder)
@@ -291,6 +292,28 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
         }
         return this;
     }
+
+    /**
+     * Part of device initialization process. Do not call manually.
+     *
+     * @param transaction
+     * @return
+     */
+    private MiBandSupport setWearLocation(TransactionBuilder transaction) {
+        LOG.info("Attempting to set wear location...");
+        BluetoothGattCharacteristic characteristic = getCharacteristic(MiBandService.UUID_CHARACTERISTIC_CONTROL_POINT);
+        if (characteristic != null) {
+            int location = MiBandCoordinator.getWearLocation(getDevice().getAddress());
+            transaction.write(characteristic, new byte[]{
+                    MiBandService.COMMAND_SET_WEAR_LOCATION,
+                    (byte) location
+            });
+        } else {
+            LOG.info("Unable to set Wear Location");
+        }
+        return this;
+    }
+
     private void performDefaultNotification(String task, short repeat, BtLEAction extraAction) {
         try {
             TransactionBuilder builder = performInitialized(task);