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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "lowenergynotificationhub_p.h"
#include <QtCore/QHash>
#include <QtCore/QLoggingCategory>
#include <QtCore/QTime>
#include <QtAndroidExtras/QAndroidJniEnvironment>
QT_BEGIN_NAMESPACE
typedef QHash<long, LowEnergyNotificationHub*> HubMapType;
Q_GLOBAL_STATIC(HubMapType, hubMap)
QReadWriteLock LowEnergyNotificationHub::lock;
Q_DECLARE_LOGGING_CATEGORY(QT_BT_ANDROID)
LowEnergyNotificationHub::LowEnergyNotificationHub(
const QBluetoothAddress &remote, QObject *parent)
: QObject(parent), javaToCtoken(0)
{
QAndroidJniEnvironment env;
const QAndroidJniObject address =
QAndroidJniObject::fromString(remote.toString());
jBluetoothLe = QAndroidJniObject("org/qtproject/qt5/android/bluetooth/QtBluetoothLE",
"(Ljava/lang/String;Landroid/app/Activity;)V",
address.object<jstring>(),
QtAndroidPrivate::activity());
if (env->ExceptionCheck() || !jBluetoothLe.isValid()) {
env->ExceptionDescribe();
env->ExceptionClear();
jBluetoothLe = QAndroidJniObject();
return;
}
// register C++ class pointer in Java
qsrand(QTime::currentTime().msec());
lock.lockForWrite();
while (true) {
javaToCtoken = qrand();
if (!hubMap()->contains(javaToCtoken))
break;
}
hubMap()->insert(javaToCtoken, this);
lock.unlock();
jBluetoothLe.setField<jlong>("qtObject", javaToCtoken);
}
LowEnergyNotificationHub::~LowEnergyNotificationHub()
{
lock.lockForWrite();
hubMap()->remove(javaToCtoken);
lock.unlock();
}
// runs in Java thread
void LowEnergyNotificationHub::lowEnergy_connectionChange(JNIEnv *, jobject, jlong qtObject, jint errorCode, jint newState)
{
lock.lockForRead();
LowEnergyNotificationHub *hub = hubMap()->value(qtObject);
lock.unlock();
if (!hub)
return;
QMetaObject::invokeMethod(hub, "connectionUpdated", Qt::QueuedConnection,
Q_ARG(QLowEnergyController::ControllerState,
(QLowEnergyController::ControllerState)newState),
Q_ARG(QLowEnergyController::Error,
(QLowEnergyController::Error)errorCode));
}
void LowEnergyNotificationHub::lowEnergy_servicesDiscovered(
JNIEnv *, jobject, jlong qtObject, jint errorCode, jobject uuidList)
{
lock.lockForRead();
LowEnergyNotificationHub *hub = hubMap()->value(qtObject);
lock.unlock();
if (!hub)
return;
const QString uuids = QAndroidJniObject(uuidList).toString();
QMetaObject::invokeMethod(hub, "servicesDiscovered", Qt::QueuedConnection,
Q_ARG(QLowEnergyController::Error,
(QLowEnergyController::Error)errorCode),
Q_ARG(QString, uuids));
}
QT_END_NAMESPACE
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