jni/com_android_bluetooth_hfpclient.cpp

/*
 * Copyright (c) 2014 The Android Open Source Project
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define LOG_TAG "BluetoothHeadsetClientServiceJni"
#define LOG_NDEBUG 0

#include "com_android_bluetooth.h"
#include "hardware/bt_hf_client.h"
#include "utils/Log.h"
#include "android_runtime/AndroidRuntime.h"

namespace android {

static bthf_client_interface_t *sBluetoothHfpClientInterface = NULL;
static jobject mCallbacksObj = NULL;

static jmethodID method_onConnectionStateChanged;
static jmethodID method_onAudioStateChanged;
static jmethodID method_onVrStateChanged;
static jmethodID method_onNetworkState;
static jmethodID method_onNetworkRoaming;
static jmethodID method_onNetworkSignal;
static jmethodID method_onBatteryLevel;
static jmethodID method_onCurrentOperator;
static jmethodID method_onCall;
static jmethodID method_onCallSetup;
static jmethodID method_onCallHeld;
static jmethodID method_onRespAndHold;
static jmethodID method_onClip;
static jmethodID method_onCallWaiting;
static jmethodID method_onCurrentCalls;
static jmethodID method_onVolumeChange;
static jmethodID method_onCmdResult;
static jmethodID method_onSubscriberInfo;
static jmethodID method_onInBandRing;
static jmethodID method_onLastVoiceTagNumber;
static jmethodID method_onRingIndication;

static void connection_state_cb(const bt_bdaddr_t *bd_addr,
                                bthf_client_connection_state_t state,
                                unsigned int peer_feat,
                                unsigned int chld_feat) {
    jbyteArray addr;

    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;

    addr = sCallbackEnv->NewByteArray(sizeof(const bt_bdaddr_t));
    if (!addr) {
        ALOGE("Fail to new jbyteArray bd addr for connection state");
        return;
    }

    sCallbackEnv->SetByteArrayRegion(addr, 0, sizeof(const bt_bdaddr_t), (jbyte*) bd_addr);
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onConnectionStateChanged, (jint) state, (jint) peer_feat, (jint) chld_feat, addr);
    sCallbackEnv->DeleteLocalRef(addr);
}

static void audio_state_cb(const bt_bdaddr_t *bd_addr, bthf_client_audio_state_t state) {
    jbyteArray addr;

    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;

    addr = sCallbackEnv->NewByteArray(sizeof(const bt_bdaddr_t));
    if (!addr) {
        ALOGE("Fail to new jbyteArray bd addr for audio state");
        return;
    }

    sCallbackEnv->SetByteArrayRegion(addr, 0, sizeof(const bt_bdaddr_t), (jbyte *) bd_addr);
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onAudioStateChanged, (jint) state, addr);
    sCallbackEnv->DeleteLocalRef(addr);
}

static void vr_cmd_cb(const bt_bdaddr_t *bd_addr, bthf_client_vr_state_t state) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onVrStateChanged, (jint) state);
}

static void network_state_cb (const bt_bdaddr_t *bd_addr, bthf_client_network_state_t state) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onNetworkState, (jint) state);
}

static void network_roaming_cb (const bt_bdaddr_t *bd_addr, bthf_client_service_type_t type) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onNetworkRoaming, (jint) type);
}

static void network_signal_cb (const bt_bdaddr_t *bd_addr, int signal) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onNetworkSignal, (jint) signal);
}

static void battery_level_cb (const bt_bdaddr_t *bd_addr, int level) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onBatteryLevel, (jint) level);
}

static void current_operator_cb (const bt_bdaddr_t *bd_addr, const char *name) {
    jstring js_name;

    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;

    js_name = sCallbackEnv->NewStringUTF(name);
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onCurrentOperator, js_name);
    sCallbackEnv->DeleteLocalRef(js_name);
}

static void call_cb (const bt_bdaddr_t *bd_addr, bthf_client_call_t call) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onCall, (jint) call);
}

static void callsetup_cb (const bt_bdaddr_t *bd_addr,
                          bthf_client_callsetup_t callsetup) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onCallSetup, (jint) callsetup);
}

static void callheld_cb (const bt_bdaddr_t *bd_addr,
                         bthf_client_callheld_t callheld) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onCallHeld, (jint) callheld);
}

static void resp_and_hold_cb (const bt_bdaddr_t *bd_addr,
                              bthf_client_resp_and_hold_t resp_and_hold) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onRespAndHold, (jint) resp_and_hold);
}

static void clip_cb (const bt_bdaddr_t *bd_addr, const char *number) {
    jstring js_number;

    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;

    js_number = sCallbackEnv->NewStringUTF(number);
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onClip, js_number);
    sCallbackEnv->DeleteLocalRef(js_number);
}

static void call_waiting_cb (const bt_bdaddr_t *bd_addr, const char *number) {
    jstring js_number;

    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;

    js_number = sCallbackEnv->NewStringUTF(number);
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onCallWaiting, js_number);
    sCallbackEnv->DeleteLocalRef(js_number);
}

static void current_calls_cb (const bt_bdaddr_t *bd_addr,
                              int index,
                              bthf_client_call_direction_t dir,
                              bthf_client_call_state_t state,
                              bthf_client_call_mpty_type_t mpty,
                              const char *number) {
    jstring js_number;

    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;

    js_number = sCallbackEnv->NewStringUTF(number);
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onCurrentCalls, index, dir, state, mpty, js_number);
    sCallbackEnv->DeleteLocalRef(js_number);
}

static void volume_change_cb (const bt_bdaddr_t *bd_addr,
                              bthf_client_volume_type_t type,
                              int volume) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onVolumeChange, (jint) type, (jint) volume);
}

static void cmd_complete_cb (const bt_bdaddr_t *bd_addr,
                             bthf_client_cmd_complete_t type,
                             int cme) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onCmdResult, (jint) type, (jint) cme);
}

static void subscriber_info_cb (const bt_bdaddr_t *bd_addr,
                                const char *name,
                                bthf_client_subscriber_service_type_t type) {
    jstring js_name;

    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;

    js_name = sCallbackEnv->NewStringUTF(name);
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onSubscriberInfo, js_name, (jint) type);
    sCallbackEnv->DeleteLocalRef(js_name);
}

static void in_band_ring_cb (const bt_bdaddr_t *bd_addr,
                             bthf_client_in_band_ring_state_t in_band) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onInBandRing, (jint) in_band);
}

static void last_voice_tag_number_cb (const bt_bdaddr_t *bd_addr,
                                      const char *number) {
    jstring js_number;

    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;

    js_number = sCallbackEnv->NewStringUTF(number);
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onLastVoiceTagNumber, js_number);
    sCallbackEnv->DeleteLocalRef(js_number);
}

static void ring_indication_cb (const bt_bdaddr_t *bd_addr) {
    CallbackEnv sCallbackEnv(__func__);
    if (!sCallbackEnv.valid()) return;
    sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onRingIndication);
}

static bthf_client_callbacks_t sBluetoothHfpClientCallbacks = {
    sizeof(sBluetoothHfpClientCallbacks),
    connection_state_cb,
    audio_state_cb,
    vr_cmd_cb,
    network_state_cb,
    network_roaming_cb,
    network_signal_cb,
    battery_level_cb,
    current_operator_cb,
    call_cb,
    callsetup_cb,
    callheld_cb,
    resp_and_hold_cb,
    clip_cb,
    call_waiting_cb,
    current_calls_cb,
    volume_change_cb,
    cmd_complete_cb,
    subscriber_info_cb,
    in_band_ring_cb,
    last_voice_tag_number_cb,
    ring_indication_cb,
};

static void classInitNative(JNIEnv* env, jclass clazz) {
    method_onConnectionStateChanged = env->GetMethodID(clazz, "onConnectionStateChanged", "(III[B)V");
    method_onAudioStateChanged = env->GetMethodID(clazz, "onAudioStateChanged", "(I[B)V");
    method_onVrStateChanged = env->GetMethodID(clazz, "onVrStateChanged", "(I)V");
    method_onNetworkState = env->GetMethodID(clazz, "onNetworkState", "(I)V");
    method_onNetworkRoaming = env->GetMethodID(clazz, "onNetworkRoaming", "(I)V");
    method_onNetworkSignal = env->GetMethodID(clazz, "onNetworkSignal", "(I)V");
    method_onBatteryLevel = env->GetMethodID(clazz, "onBatteryLevel", "(I)V");
    method_onCurrentOperator = env->GetMethodID(clazz, "onCurrentOperator", "(Ljava/lang/String;)V");
    method_onCall = env->GetMethodID(clazz, "onCall", "(I)V");
    method_onCallSetup = env->GetMethodID(clazz, "onCallSetup", "(I)V");
    method_onCallHeld = env->GetMethodID(clazz, "onCallHeld", "(I)V");
    method_onRespAndHold = env->GetMethodID(clazz, "onRespAndHold", "(I)V");
    method_onClip = env->GetMethodID(clazz, "onClip", "(Ljava/lang/String;)V");
    method_onCallWaiting = env->GetMethodID(clazz, "onCallWaiting", "(Ljava/lang/String;)V");
    method_onCurrentCalls = env->GetMethodID(clazz, "onCurrentCalls", "(IIIILjava/lang/String;)V");
    method_onVolumeChange = env->GetMethodID(clazz, "onVolumeChange", "(II)V");
    method_onCmdResult = env->GetMethodID(clazz, "onCmdResult", "(II)V");
    method_onSubscriberInfo = env->GetMethodID(clazz, "onSubscriberInfo", "(Ljava/lang/String;I)V");
    method_onInBandRing = env->GetMethodID(clazz, "onInBandRing", "(I)V");
    method_onLastVoiceTagNumber = env->GetMethodID(clazz, "onLastVoiceTagNumber",
        "(Ljava/lang/String;)V");
    method_onRingIndication = env->GetMethodID(clazz, "onRingIndication","()V");

    ALOGI("%s succeeds", __FUNCTION__);
}

static void initializeNative(JNIEnv *env, jobject object) {
    const bt_interface_t* btInf;
    bt_status_t status;

    btInf = getBluetoothInterface();
    if (btInf == NULL) {
        ALOGE("Bluetooth module is not loaded");
        return;
    }

    if (sBluetoothHfpClientInterface != NULL) {
        ALOGW("Cleaning up Bluetooth HFP Client Interface before initializing");
        sBluetoothHfpClientInterface->cleanup();
        sBluetoothHfpClientInterface = NULL;
    }

    if (mCallbacksObj != NULL) {
        ALOGW("Cleaning up Bluetooth HFP Client callback object");
        env->DeleteGlobalRef(mCallbacksObj);
        mCallbacksObj = NULL;
    }

    sBluetoothHfpClientInterface = (bthf_client_interface_t *)
            btInf->get_profile_interface(BT_PROFILE_HANDSFREE_CLIENT_ID);
    if (sBluetoothHfpClientInterface  == NULL) {
        ALOGE("Failed to get Bluetooth HFP Client Interface");
        return;
    }

    status = sBluetoothHfpClientInterface->init(&sBluetoothHfpClientCallbacks);
    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to initialize Bluetooth HFP Client, status: %d", status);
        sBluetoothHfpClientInterface = NULL;
        return;
    }

    mCallbacksObj = env->NewGlobalRef(object);
}

static void cleanupNative(JNIEnv *env, jobject object) {
    const bt_interface_t* btInf;

    if ( (btInf = getBluetoothInterface()) == NULL) {
        ALOGE("Bluetooth module is not loaded");
        return;
    }

    if (sBluetoothHfpClientInterface != NULL) {
        ALOGW("Cleaning up Bluetooth HFP Client Interface...");
        sBluetoothHfpClientInterface->cleanup();
        sBluetoothHfpClientInterface = NULL;
    }

    if (mCallbacksObj != NULL) {
        ALOGW("Cleaning up Bluetooth HFP Client callback object");
        env->DeleteGlobalRef(mCallbacksObj);
        mCallbacksObj = NULL;
    }
}

static jboolean connectNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if ((status = sBluetoothHfpClientInterface->connect((bt_bdaddr_t *)addr)) != BT_STATUS_SUCCESS) {
        ALOGE("Failed AG connection, status: %d", status);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean disconnectNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if ( (status = sBluetoothHfpClientInterface->disconnect((const bt_bdaddr_t *)addr)) != BT_STATUS_SUCCESS) {
        ALOGE("Failed AG disconnection, status: %d", status);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean connectAudioNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if ( (status = sBluetoothHfpClientInterface->connect_audio((const bt_bdaddr_t *)addr)) !=
         BT_STATUS_SUCCESS) {
        ALOGE("Failed AG audio connection, status: %d", status);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean disconnectAudioNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if ( (status = sBluetoothHfpClientInterface->disconnect_audio((const bt_bdaddr_t *) addr)) !=
         BT_STATUS_SUCCESS) {
        ALOGE("Failed AG audio disconnection, status: %d", status);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean startVoiceRecognitionNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if ( (status = sBluetoothHfpClientInterface->start_voice_recognition(
        (const bt_bdaddr_t *)addr)) != BT_STATUS_SUCCESS) {
        ALOGE("Failed to start voice recognition, status: %d", status);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean stopVoiceRecognitionNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if ( (status = sBluetoothHfpClientInterface->stop_voice_recognition(
        (const bt_bdaddr_t *)addr)) != BT_STATUS_SUCCESS) {
        ALOGE("Failed to stop voice recognition, status: %d", status);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean setVolumeNative(
        JNIEnv *env, jobject object, jbyteArray address, jint volume_type, jint volume) {

    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if ( (status = sBluetoothHfpClientInterface->volume_control(
        (const bt_bdaddr_t *)addr, (bthf_client_volume_type_t) volume_type, volume)) != BT_STATUS_SUCCESS) {
        ALOGE("FAILED to control volume, status: %d", status);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean dialNative(JNIEnv *env, jobject object, jbyteArray address, jstring number_str) {
    jbyte *addr;
    bt_status_t status;

    const char *number = NULL;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if (number_str != NULL) {
        number = env->GetStringUTFChars(number_str, NULL);
    }

    if ( (status = sBluetoothHfpClientInterface->dial(
        (const bt_bdaddr_t *)addr, number)) != BT_STATUS_SUCCESS) {
        ALOGE("Failed to dial, status: %d", status);
    }
    if (number != NULL) {
        env->ReleaseStringUTFChars(number_str, number);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean dialMemoryNative(JNIEnv *env, jobject object, jbyteArray address, jint location) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    status = sBluetoothHfpClientInterface->dial_memory(
        (const bt_bdaddr_t *) addr,
        (int) location);

    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to dial from memory, status: %d", status);
    }

    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean handleCallActionNative(
        JNIEnv *env, jobject object, jbyteArray address, jint action, jint index) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    status = sBluetoothHfpClientInterface->handle_call_action(
        (const bt_bdaddr_t *) addr,
        (bthf_client_call_action_t) action,
        (int) index);

    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to enter private mode, status: %d", status);
    }

    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean queryCurrentCallsNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    status = sBluetoothHfpClientInterface->query_current_calls((const bt_bdaddr_t *) addr);

    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to query current calls, status: %d", status);
    }
    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean queryCurrentOperatorNameNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    status = sBluetoothHfpClientInterface->query_current_operator_name((const bt_bdaddr_t *) addr);
    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to query current operator name, status: %d", status);
    }

    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean retrieveSubscriberInfoNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    status = sBluetoothHfpClientInterface->retrieve_subscriber_info((const bt_bdaddr_t *) addr);

    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to retrieve subscriber info, status: %d", status);
    }

    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean sendDtmfNative(JNIEnv *env, jobject object, jbyte code, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    status = sBluetoothHfpClientInterface->send_dtmf(
        (const bt_bdaddr_t *) addr,
        (char) code);

    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to send DTMF, status: %d", status);
    }

    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean requestLastVoiceTagNumberNative(JNIEnv *env, jobject object, jbyteArray address) {
    jbyte *addr;
    bt_status_t status;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    status = sBluetoothHfpClientInterface->request_last_voice_tag_number(
        (const bt_bdaddr_t *)addr);

    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to request last Voice Tag number, status: %d", status);
    }

    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static jboolean sendATCmdNative(JNIEnv *env, jobject object, jbyteArray address, jint cmd,
                                jint val1, jint val2, jstring arg_str) {
    jbyte *addr;
    bt_status_t status;
    const char *arg = NULL;

    if (!sBluetoothHfpClientInterface) return JNI_FALSE;

    addr = env->GetByteArrayElements(address, NULL);
    if (!addr) {
        jniThrowIOException(env, EINVAL);
        return JNI_FALSE;
    }

    if (arg_str != NULL) {
        arg = env->GetStringUTFChars(arg_str, NULL);
    }

    status = sBluetoothHfpClientInterface->send_at_cmd(
        (const bt_bdaddr_t *) addr, cmd, val1, val2, arg);

    if (status != BT_STATUS_SUCCESS) {
        ALOGE("Failed to send cmd, status: %d", status);
    }

    if (arg != NULL) {
        env->ReleaseStringUTFChars(arg_str, arg);
    }

    env->ReleaseByteArrayElements(address, addr, 0);
    return (status == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
}

static JNINativeMethod sMethods[] = {
    {"classInitNative", "()V", (void *) classInitNative},
    {"initializeNative", "()V", (void *) initializeNative},
    {"cleanupNative", "()V", (void *) cleanupNative},
    {"connectNative", "([B)Z", (void *) connectNative},
    {"disconnectNative", "([B)Z", (void *) disconnectNative},
    {"connectAudioNative", "([B)Z", (void *) connectAudioNative},
    {"disconnectAudioNative", "([B)Z", (void *) disconnectAudioNative},
    {"startVoiceRecognitionNative", "([B)Z", (void *) startVoiceRecognitionNative},
    {"stopVoiceRecognitionNative", "([B)Z", (void *) stopVoiceRecognitionNative},
    {"setVolumeNative", "([BII)Z", (void *) setVolumeNative},
    {"dialNative", "([BLjava/lang/String;)Z", (void *) dialNative},
    {"dialMemoryNative", "([BI)Z", (void *) dialMemoryNative},
    {"handleCallActionNative", "([BII)Z", (void *) handleCallActionNative},
    {"queryCurrentCallsNative", "([B)Z", (void *) queryCurrentCallsNative},
    {"queryCurrentOperatorNameNative", "([B)Z", (void *) queryCurrentOperatorNameNative},
    {"retrieveSubscriberInfoNative", "([B)Z", (void *) retrieveSubscriberInfoNative},
    {"sendDtmfNative", "([BB)Z", (void *) sendDtmfNative},
    {"requestLastVoiceTagNumberNative", "([B)Z",
        (void *) requestLastVoiceTagNumberNative},
    {"sendATCmdNative", "([BIIILjava/lang/String;)Z", (void *) sendATCmdNative},
};

int register_com_android_bluetooth_hfpclient(JNIEnv* env)
{
    return jniRegisterNativeMethods(env, "com/android/bluetooth/hfpclient/HeadsetClientStateMachine",
                                    sMethods, NELEM(sMethods));
}

} /* namespace android */