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// Copyright 2016 The Chromium Authors
// 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 <memory>
#include "base/android/jni_android.h"
#include "base/android/scoped_java_ref.h"
#include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
#include "device/bluetooth/bluetooth_remote_gatt_descriptor.h"
namespace device {
// BluetoothRemoteGattDescriptorAndroid along with its owned Java class
// org.chromium.device.bluetooth.ChromeBluetoothRemoteGattDescriptor
// implement BluetootGattDescriptor.
class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattDescriptorAndroid
: public BluetoothRemoteGattDescriptor {
public:
// Create a BluetoothRemoteGattDescriptorAndroid instance and associated
// Java ChromeBluetoothRemoteGattDescriptor using the provided
// |bluetooth_gatt_descriptor_wrapper|.
//
// The ChromeBluetoothRemoteGattDescriptor instance will hold a Java
// reference to |bluetooth_gatt_descriptor_wrapper|.
static std::unique_ptr<BluetoothRemoteGattDescriptorAndroid> Create(
const std::string& instanceId,
const base::android::JavaRef<jobject>& /* BluetoothGattDescriptorWrapper
*/
bluetooth_gatt_descriptor_wrapper,
const base::android::JavaRef<
jobject>& /* chromeBluetoothDevice */ chrome_bluetooth_device);
BluetoothRemoteGattDescriptorAndroid(
const BluetoothRemoteGattDescriptorAndroid&) = delete;
BluetoothRemoteGattDescriptorAndroid& operator=(
const BluetoothRemoteGattDescriptorAndroid&) = delete;
~BluetoothRemoteGattDescriptorAndroid() override;
// Returns the associated ChromeBluetoothRemoteGattDescriptor Java object.
base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
// BluetoothRemoteGattDescriptor interface:
std::string GetIdentifier() const override;
BluetoothUUID GetUUID() const override;
const std::vector<uint8_t>& GetValue() const override;
BluetoothRemoteGattCharacteristic* GetCharacteristic() const override;
BluetoothRemoteGattCharacteristic::Permissions GetPermissions()
const override;
void ReadRemoteDescriptor(ValueCallback callback) override;
void WriteRemoteDescriptor(base::span<const uint8_t> value,
base::OnceClosure callback,
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_;
// WriteRemoteCharacteristic callbacks and pending state.
bool write_pending_ = false;
base::OnceClosure write_callback_;
ErrorCallback write_error_callback_;
std::vector<uint8_t> value_;
};
} // namespace device
#endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_ANDROID_H_
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