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

device/bluetooth/bluetooth_remote_gatt_characteristic_android.h

 // Copyright 2015 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_CHARACTERISTIC_ANDROID_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_ANDROID_H_
 
 #include <stdint.h>
 
+#include <queue>
+
 #include "base/android/jni_android.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
 
 namespace device {
 
 class BluetoothAdapterAndroid;
 class BluetoothRemoteGattDescriptorAndroid;
 class BluetoothRemoteGattServiceAndroid;
@@ skipping 46 matching lines @@
   bool AddDescriptor(BluetoothGattDescriptor* descriptor) override;
   bool UpdateValue(const std::vector<uint8_t>& value) override;
   void StartNotifySession(const NotifySessionCallback& callback,
                           const ErrorCallback& error_callback) override;
   void ReadRemoteCharacteristic(const ValueCallback& callback,
                                 const ErrorCallback& error_callback) override;
   void WriteRemoteCharacteristic(const std::vector<uint8_t>& new_value,
                                  const base::Closure& callback,
                                  const ErrorCallback& error_callback) override;
 
+  // Called when StartNotifySession operation succeeds.
+  void OnStartNotifySessionSuccess();
+
+  // Called when StartNotifySession operation fails.
+  void OnStartNotifySessionError(BluetoothGattService::GattErrorCode error);
+
   // Called when value changed event occurs.
   void OnChanged(JNIEnv* env,
                  const base::android::JavaParamRef<jobject>& jcaller,
                  const base::android::JavaParamRef<jbyteArray>& value);
 
-  // Callback after Read operation completes.
+  // Called when Read operation completes.
   void OnRead(JNIEnv* env,
               const base::android::JavaParamRef<jobject>& jcaller,
               int32_t status,
               const base::android::JavaParamRef<jbyteArray>& value);
 
-  // Callback after Write operation completes.
+  // Called when Write operation completes.
   void OnWrite(JNIEnv* env,
                const base::android::JavaParamRef<jobject>& jcaller,
                int32_t status);
 
   // Creates a Bluetooth GATT descriptor object and adds it to |descriptors_|,
   // DCHECKing that it has not already been created.
   void CreateGattRemoteDescriptor(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& caller,
       const base::android::JavaParamRef<jstring>& instanceId,
@@ skipping 18 matching lines @@
   BluetoothAdapterAndroid* adapter_;
   BluetoothRemoteGattServiceAndroid* service_;
 
   // Java object
   // org.chromium.device.bluetooth.ChromeBluetoothRemoteGattCharacteristic.
   base::android::ScopedJavaGlobalRef<jobject> j_characteristic_;
 
   // Adapter unique instance ID.
   std::string instance_id_;
 
+  // StartNotifySession callbacks and pending state.
+  typedef std::pair<NotifySessionCallback, ErrorCallback>
+      PendingStartNotifyCall;
+  std::queue<PendingStartNotifyCall> pending_start_notify_calls_;
+
   // 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_;
 
   // Map of descriptors, keyed by descriptor identifier.
   base::ScopedPtrHashMap<std::string,
                          scoped_ptr<BluetoothRemoteGattDescriptorAndroid>>
       descriptors_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicAndroid);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_ANDROID_H_