diff options
Diffstat (limited to 'src/plugins/sensors/android/src/androidjnisensors.cpp')
| -rw-r--r-- | src/plugins/sensors/android/src/androidjnisensors.cpp | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/src/plugins/sensors/android/src/androidjnisensors.cpp b/src/plugins/sensors/android/src/androidjnisensors.cpp deleted file mode 100644 index 5e0e4146..00000000 --- a/src/plugins/sensors/android/src/androidjnisensors.cpp +++ /dev/null @@ -1,277 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 BogDan Vatra <bogdan@kde.org> -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtSensors module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <qglobal.h> -#include <android/log.h> -#include <QtCore/QReadWriteLock> -#include <QtCore/QHash> - -#include "androidjnisensors.h" - -static JavaVM *javaVM = 0; -jclass sensorsClass; - -static jmethodID getSensorListMethodId; -static jmethodID registerSensorMethodId; -static jmethodID unregisterSensorMethodId; -static jmethodID getSensorDescriptionMethodId; -static jmethodID getSensorMaximumRangeMethodId; -static jmethodID getCompassAzimuthId; - -static QHash<int, QList<AndroidSensors::AndroidSensorsListenerInterface *> > listenersHash; -QReadWriteLock listenersLocker; -enum { - SENSOR_DELAY_FASTEST = 0, - SENSOR_DELAY_GAME = 1, - SENSOR_DELAY_NORMAL = 3, - SENSOR_DELAY_UI =2 -}; -namespace AndroidSensors -{ - struct AttachedJNIEnv - { - AttachedJNIEnv() - { - attached = false; - if (javaVM->GetEnv((void**)&jniEnv, JNI_VERSION_1_6) < 0) { - if (javaVM->AttachCurrentThread(&jniEnv, NULL) < 0) { - __android_log_print(ANDROID_LOG_ERROR, "Qt", "AttachCurrentThread failed"); - jniEnv = 0; - return; - } - attached = true; - } - } - - ~AttachedJNIEnv() - { - if (attached) - javaVM->DetachCurrentThread(); - } - bool attached; - JNIEnv *jniEnv; - }; - - QVector<AndroidSensorType> availableSensors() - { - QVector<AndroidSensorType> ret; - AttachedJNIEnv aenv; - if (!aenv.jniEnv) - return ret; - jintArray jsensors = static_cast<jintArray>(aenv.jniEnv->CallStaticObjectMethod(sensorsClass, - getSensorListMethodId)); - jint *sensors = aenv.jniEnv->GetIntArrayElements(jsensors, 0); - const uint sz = aenv.jniEnv->GetArrayLength(jsensors); - for (uint i = 0; i < sz; i++) - ret.push_back(AndroidSensorType(sensors[i])); - aenv.jniEnv->ReleaseIntArrayElements(jsensors, sensors, 0); - return ret; - } - - QString sensorDescription(AndroidSensorType sensor) - { - AttachedJNIEnv aenv; - if (!aenv.jniEnv) - return QString(); - jstring jstr = static_cast<jstring>(aenv.jniEnv->CallStaticObjectMethod(sensorsClass, - getSensorDescriptionMethodId, - jint(sensor))); - if (!jstr) - return QString(); - const jchar *pstr = aenv.jniEnv->GetStringChars(jstr, 0); - QString ret(reinterpret_cast<const QChar *>(pstr), aenv.jniEnv->GetStringLength(jstr)); - aenv.jniEnv->ReleaseStringChars(jstr, pstr); - aenv.jniEnv->DeleteLocalRef(jstr); - return ret; - } - - qreal sensorMaximumRange(AndroidSensorType sensor) - { - AttachedJNIEnv aenv; - if (!aenv.jniEnv) - return 0; - jfloat range = aenv.jniEnv->CallStaticFloatMethod(sensorsClass, getSensorMaximumRangeMethodId, jint(sensor)); - return range; - } - - bool registerListener(AndroidSensorType sensor, AndroidSensorsListenerInterface *listener, int dataRate) - { - listenersLocker.lockForWrite(); - bool startService = listenersHash[sensor].empty(); - listenersHash[sensor].push_back(listener); - listenersLocker.unlock(); - if (startService) { - AttachedJNIEnv aenv; - if (!aenv.jniEnv) - return false; - int rate = dataRate > 0 ? 1000000/dataRate : SENSOR_DELAY_GAME; - return aenv.jniEnv->CallStaticBooleanMethod(sensorsClass, - registerSensorMethodId, - jint(sensor), - jint(rate)); - } - return true; - } - - bool unregisterListener(AndroidSensorType sensor, AndroidSensorsListenerInterface *listener) - { - listenersLocker.lockForWrite(); - listenersHash[sensor].removeOne(listener); - bool stopService = listenersHash[sensor].empty(); - if (stopService) - listenersHash.remove(sensor); - listenersLocker.unlock(); - if (stopService) { - AttachedJNIEnv aenv; - if (!aenv.jniEnv) - return false; - return aenv.jniEnv->CallStaticBooleanMethod(sensorsClass, unregisterSensorMethodId, jint(sensor)); - } - return true; - } - - qreal getCompassAzimuth(jfloat *accelerometerReading, jfloat *magnetometerReading) - { - AttachedJNIEnv aenv; - if (!aenv.jniEnv) - return 0.0; - return aenv.jniEnv->CallStaticFloatMethod(sensorsClass, getCompassAzimuthId, - accelerometerReading[0], - accelerometerReading[1], - accelerometerReading[2], - magnetometerReading[0], - magnetometerReading[1], - magnetometerReading[2]); - } -} - -static const char logTag[] = "Qt"; -static const char classErrorMsg[] = "Can't find class \"%s\""; -static const char methodErrorMsg[] = "Can't find method \"%s%s\""; - -static void accuracyChanged(JNIEnv * /*env*/, jobject /*thiz*/, jint sensor, jint accuracy) -{ - listenersLocker.lockForRead(); - foreach (AndroidSensors::AndroidSensorsListenerInterface *listener, listenersHash[sensor]) - listener->onAccuracyChanged(accuracy); - listenersLocker.unlock(); -} - -static void sensorChanged(JNIEnv *env, jobject /*thiz*/, jint sensor, jlong timeStamp, jfloatArray array) -{ - uint size = env->GetArrayLength(array); - jfloat *values = env->GetFloatArrayElements(array, 0); - listenersLocker.lockForRead(); - foreach (AndroidSensors::AndroidSensorsListenerInterface *listener, listenersHash[sensor]) - listener->onSensorChanged(timeStamp, values, size); - listenersLocker.unlock(); - env->ReleaseFloatArrayElements(array, values, JNI_ABORT); // don't copy back the elements - -} - -static JNINativeMethod methods[] = { - {"accuracyChanged", "(II)V", (void *)accuracyChanged}, - {"sensorChanged", "(IJ[F)V", (void *)sensorChanged} -}; - -#define FIND_AND_CHECK_CLASS(CLASS_NAME) \ -clazz = env->FindClass(CLASS_NAME); \ -if (!clazz) { \ - __android_log_print(ANDROID_LOG_FATAL, logTag, classErrorMsg, CLASS_NAME); \ - return JNI_FALSE; \ -} - -#define GET_AND_CHECK_STATIC_METHOD(VAR, CLASS, METHOD_NAME, METHOD_SIGNATURE) \ -VAR = env->GetStaticMethodID(CLASS, METHOD_NAME, METHOD_SIGNATURE); \ -if (!VAR) { \ - __android_log_print(ANDROID_LOG_FATAL, logTag, methodErrorMsg, METHOD_NAME, METHOD_SIGNATURE); \ - return JNI_FALSE; \ -} - -static bool registerNatives(JNIEnv *env) -{ - jclass clazz; - FIND_AND_CHECK_CLASS("org/qtproject/qt5/android/sensors/QtSensors"); - sensorsClass = static_cast<jclass>(env->NewGlobalRef(clazz)); - - if (env->RegisterNatives(sensorsClass, methods, sizeof(methods) / sizeof(methods[0])) < 0) { - __android_log_print(ANDROID_LOG_FATAL, logTag, "RegisterNatives failed"); - return JNI_FALSE; - } - - GET_AND_CHECK_STATIC_METHOD(getSensorListMethodId, sensorsClass, "getSensorList", "()[I"); - GET_AND_CHECK_STATIC_METHOD(registerSensorMethodId, sensorsClass, "registerSensor", "(II)Z"); - GET_AND_CHECK_STATIC_METHOD(unregisterSensorMethodId, sensorsClass, "unregisterSensor", "(I)Z"); - GET_AND_CHECK_STATIC_METHOD(getSensorDescriptionMethodId, sensorsClass, "getSensorDescription", "(I)Ljava/lang/String;"); - GET_AND_CHECK_STATIC_METHOD(getSensorMaximumRangeMethodId, sensorsClass, "getSensorMaximumRange", "(I)F"); - GET_AND_CHECK_STATIC_METHOD(getCompassAzimuthId, sensorsClass, "getCompassAzimuth", "(FFFFFF)F"); - - return true; -} - -Q_DECL_EXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void * /*reserved*/) -{ - static bool initialized = false; - if (initialized) - return JNI_VERSION_1_6; - initialized = true; - - typedef union { - JNIEnv *nativeEnvironment; - void *venv; - } UnionJNIEnvToVoid; - - __android_log_print(ANDROID_LOG_INFO, logTag, "Sensors start"); - UnionJNIEnvToVoid uenv; - uenv.venv = NULL; - javaVM = 0; - - if (vm->GetEnv(&uenv.venv, JNI_VERSION_1_4) != JNI_OK) { - __android_log_print(ANDROID_LOG_FATAL, logTag, "GetEnv failed"); - return -1; - } - JNIEnv *env = uenv.nativeEnvironment; - if (!registerNatives(env)) { - __android_log_print(ANDROID_LOG_FATAL, logTag, "registerNatives failed"); - return -1; - } - - javaVM = vm; - return JNI_VERSION_1_4; -} |