bluetooth: android: Confirm the notify session after the descriptor has been written.

device/bluetooth/bluetooth_remote_gatt_descriptor_android.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_ANDROID_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_ANDROID_H_
 
 #include "base/android/jni_android.h"
 #include "base/macros.h"
 #include "device/bluetooth/bluetooth_gatt_descriptor.h"
@@ skipping 32 matching lines @@
   bool IsLocal() const override;
   const std::vector<uint8_t>& GetValue() const override;
   BluetoothGattCharacteristic* GetCharacteristic() const override;
   BluetoothGattCharacteristic::Permissions GetPermissions() const override;
   void ReadRemoteDescriptor(const ValueCallback& callback,
                             const ErrorCallback& error_callback) override;
   void WriteRemoteDescriptor(const std::vector<uint8_t>& new_value,
                              const base::Closure& callback,
                              const ErrorCallback& error_callback) override;
 
+  // Called when Read operation completes.
+  void OnRead(JNIEnv* env,
+              const base::android::JavaParamRef<jobject>& jcaller,
+              int32_t status,
+              const base::android::JavaParamRef<jbyteArray>& value);
+
+  // Called when Write operation completes.
+  void OnWrite(JNIEnv* env,
+               const base::android::JavaParamRef<jobject>& jcaller,
+               int32_t status);
+
  private:
   BluetoothRemoteGattDescriptorAndroid(const std::string& instanceId);
 
   // Java object
   // org.chromium.device.bluetooth.ChromeBluetoothRemoteGattDescriptor.
   base::android::ScopedJavaGlobalRef<jobject> j_descriptor_;
 
   // Adapter unique instance ID.
   std::string instance_id_;
 
+  // ReadRemoteCharacteristic callbacks and pending state.
+  bool read_pending_ = false;
+  ValueCallback read_callback_;
+  ErrorCallback read_error_callback_;
+
+  // WriteRemoteCharacteristic callbacks and pending state.
+  bool write_pending_ = false;
+  base::Closure write_callback_;
+  ErrorCallback write_error_callback_;
+
+  std::vector<uint8_t> value_;
+
   DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattDescriptorAndroid);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_ANDROID_H_