From b155a13d171411401cfce2e79259bcdfa5874d84 Mon Sep 17 00:00:00 2001
From: Johannes Krude <johannes@krude.de>
Date: Sat, 19 Aug 2023 22:21:35 +0200
Subject: [PATCH] Casio GW-B5600: find phone

---
 .../devices/casio/CasioConstants.java         |  6 +++
 .../gwb5600/CasioGWB5600DeviceSupport.java    | 41 ++++++++++++++++++-
 2 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/casio/CasioConstants.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/casio/CasioConstants.java
index 8bca67d35..8c6ad0198 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/casio/CasioConstants.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/casio/CasioConstants.java
@@ -112,6 +112,12 @@ public final class CasioConstants {
     public static final byte CATEGORY_SNS = 4;
     public static final byte CATEGORY_VOICEMAIL = 3;
 
+    // Connection Reason - GW-B5600
+    public static final byte CONNECT_CNCT = 1;
+    public static final byte CONNECT_FIND = 2;
+    public static final byte CONNECT_AUTO = 3;
+    public static final byte CONNECT_TIME = 4;
+
     public enum Model {
         MODEL_CASIO_GENERIC,
         MODEL_CASIO_6900B,
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/casio/gwb5600/CasioGWB5600DeviceSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/casio/gwb5600/CasioGWB5600DeviceSupport.java
index 9f80b2bf9..6b0225b24 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/casio/gwb5600/CasioGWB5600DeviceSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/casio/gwb5600/CasioGWB5600DeviceSupport.java
@@ -21,6 +21,9 @@ import java.util.HashSet;
 import java.util.Map;
 import java.util.Locale;
 
+import android.bluetooth.BluetoothGatt;
+import android.bluetooth.BluetoothGattCharacteristic;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -33,6 +36,7 @@ import nodomain.freeyourgadget.gadgetbridge.util.GB;
 import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
 import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
 import nodomain.freeyourgadget.gadgetbridge.service.btle.actions.SetDeviceStateAction;
+import nodomain.freeyourgadget.gadgetbridge.deviceevents.GBDeviceEventFindPhone;
 
 import nodomain.freeyourgadget.gadgetbridge.devices.casio.CasioConstants;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.casio.Casio2C2DSupport;
@@ -70,12 +74,21 @@ public class CasioGWB5600DeviceSupport extends Casio2C2DSupport {
         }
 
         builder.add(new SetDeviceStateAction(getDevice(), GBDevice.State.INITIALIZING, getContext()));
-        requestWorldClocks(builder);
+
+        // which button was pressed?
+        requestFeature(builder, new FeatureRequest(FEATURE_BLE_FEATURES), data -> {
+            if (data.length > 8 && data[8] == CasioConstants.CONNECT_FIND) {
+                setInitialized();
+            } else {
+                requestWorldClocks();
+            }
+        });
 
         return builder;
     }
 
-    private void requestWorldClocks(TransactionBuilder builder) {
+    private void requestWorldClocks() {
+        TransactionBuilder builder = createTransactionBuilder("requestWorldClocks");
         HashSet<FeatureRequest> requests = new HashSet();
 
         for (byte i = 0; i < 6; i++) {
@@ -88,6 +101,7 @@ public class CasioGWB5600DeviceSupport extends Casio2C2DSupport {
                 clockBuilder.add(new SetDeviceStateAction(getDevice(), GBDevice.State.INITIALIZED, getContext()));
                 clockBuilder.queue(getQueue());
         });
+        builder.queue(getQueue());
     }
 
     private void setClocks(TransactionBuilder builder, Map<FeatureRequest, byte[]> responses) {
@@ -110,4 +124,27 @@ public class CasioGWB5600DeviceSupport extends Casio2C2DSupport {
         writeCurrentTime(builder, ZonedDateTime.ofInstant(now, tz));
     }
 
+    @Override
+    public boolean onCharacteristicChanged(BluetoothGatt gatt,
+                                           BluetoothGattCharacteristic characteristic) {
+        UUID characteristicUUID = characteristic.getUuid();
+        byte[] data = characteristic.getValue();
+        if (data.length == 0)
+            return true;
+
+        if (characteristicUUID.equals(CasioConstants.CASIO_ALL_FEATURES_CHARACTERISTIC_UUID)) {
+            if(data[0] == FEATURE_ALERT_LEVEL) {
+                GBDeviceEventFindPhone event = new GBDeviceEventFindPhone();
+                if(data[1] == 0x02) {
+                    event.event = GBDeviceEventFindPhone.Event.START_VIBRATE;
+                } else {
+                    event.event = GBDeviceEventFindPhone.Event.STOP;
+                }
+                evaluateGBDeviceEvent(event);
+                return true;
+            }
+        }
+        return super.onCharacteristicChanged(gatt, characteristic);
+    }
+
 }