| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** 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 |
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| ** 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 |
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| ** |
| ** 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 |
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| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
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| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <QDir> |
| #include <QLibraryInfo> |
| |
| #include <QtCore/private/qfactoryloader_p.h> |
| |
| #include "qsensorgesturerecognizer.h" |
| #include "qsensorgesturemanagerprivate_p.h" |
| #include "qsensorgestureplugininterface.h" |
| |
| #ifdef SIMULATOR_BUILD |
| #include "simulatorgesturescommon_p.h" |
| #endif |
| |
| Q_GLOBAL_STATIC(QSensorGestureManagerPrivate, sensorGestureManagerPrivate) |
| |
| QT_BEGIN_NAMESPACE |
| |
| QSensorGestureManagerPrivate::QSensorGestureManagerPrivate(QObject *parent) : |
| QObject(parent) |
| { |
| #ifdef SIMULATOR_BUILD |
| SensorGesturesConnection *connection = new SensorGesturesConnection(this); |
| connect(connection,SIGNAL(sensorGestureDetected()), |
| this,SLOT(sensorGestureDetected())); |
| |
| connect(this,SIGNAL(newSensorGestures(QStringList)), |
| connection,SLOT(newSensorGestures(QStringList))); |
| |
| connect(this,SIGNAL(removeSensorGestures(QStringList)), |
| connection,SLOT(removeSensorGestures(QStringList))); |
| #endif |
| |
| loader = new QFactoryLoader("org.qt-project.QSensorGesturePluginInterface", QLatin1String("/sensorgestures")); |
| loadPlugins(); |
| } |
| |
| QSensorGestureManagerPrivate::~QSensorGestureManagerPrivate() |
| { |
| // qDeleteAll(registeredSensorGestures); |
| // delete loader; |
| } |
| |
| |
| void QSensorGestureManagerPrivate::initPlugin(QObject *plugin) |
| { |
| if (QSensorGesturePluginInterface *pInterface |
| = qobject_cast<QSensorGesturePluginInterface *>(plugin)) { |
| |
| Q_FOREACH (const QString &id, pInterface->supportedIds()) { |
| |
| if (!knownIds.contains(id)) |
| knownIds.append(id); |
| else |
| qWarning() << id <<"from the plugin" |
| << pInterface->name() |
| << "is already known."; |
| |
| } |
| plugins << plugin; |
| } else { |
| qWarning() << "Could not load "<< plugin; |
| } |
| } |
| |
| |
| /*! |
| Internal |
| Loads the sensorgesture plugins. |
| */ |
| void QSensorGestureManagerPrivate::loadPlugins() |
| { |
| Q_FOREACH (QObject *plugin, QPluginLoader::staticInstances()) { |
| initPlugin(plugin); |
| } |
| QList<QJsonObject> meta = loader->metaData(); |
| for (int i = 0; i < meta.count(); i++) { |
| QObject *plugin = loader->instance(i); |
| initPlugin(plugin); |
| } |
| } |
| |
| |
| /*! |
| Internal |
| creates the requested recognizer. |
| */ |
| |
| bool QSensorGestureManagerPrivate::loadRecognizer(const QString &recognizerId) |
| { |
| //if no plugin is used return true if this is a registered recognizer |
| |
| if (registeredSensorGestures.contains(recognizerId)) |
| return true; |
| |
| for (int i= 0; i < plugins.count(); i++) { |
| |
| if (QSensorGesturePluginInterface *pInterface |
| = qobject_cast<QSensorGesturePluginInterface *>(plugins.at(i))) { |
| |
| if (pInterface->supportedIds().contains(recognizerId)) { |
| |
| if (!registeredSensorGestures.contains(recognizerId)) { |
| //create these recognizers |
| QList <QSensorGestureRecognizer *> recognizers = pInterface->createRecognizers(); |
| |
| Q_FOREACH (QSensorGestureRecognizer *recognizer, recognizers) { |
| |
| if (registeredSensorGestures.contains(recognizer->id())) { |
| qWarning() << "Ignoring recognizer " << recognizer->id() << "from plugin" << pInterface->name() << "because it is already registered"; |
| delete recognizer; |
| } else { |
| registeredSensorGestures.insert(recognizer->id(),recognizer); |
| } |
| } |
| } |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| bool QSensorGestureManagerPrivate::registerSensorGestureRecognizer(QSensorGestureRecognizer *recognizer) |
| { |
| if (!knownIds.contains(recognizer->id())) { |
| knownIds.append(recognizer->id()); |
| Q_ASSERT (!registeredSensorGestures.contains(recognizer->id())); |
| recognizer->setParent(0); |
| registeredSensorGestures.insert(recognizer->id(),recognizer); |
| Q_EMIT newSensorGestureAvailable(); |
| |
| return true; |
| } |
| return false; |
| } |
| |
| QSensorGestureRecognizer *QSensorGestureManagerPrivate::sensorGestureRecognizer(const QString &id) |
| { |
| QSensorGestureRecognizer *recognizer = 0; |
| |
| if (loadRecognizer(id)) { |
| recognizer= registeredSensorGestures.value(id); |
| } |
| |
| return recognizer; |
| } |
| |
| QStringList QSensorGestureManagerPrivate::gestureIds() |
| { |
| return knownIds; |
| } |
| |
| #ifdef SIMULATOR_BUILD |
| void QSensorGestureManagerPrivate::sensorGestureDetected() |
| { |
| QString str = get_qtSensorGestureData(); |
| |
| Q_FOREACH (const QString &id, gestureIds()) { |
| QSensorGestureRecognizer *recognizer = sensorGestureRecognizer(id); |
| if (recognizer != 0) { |
| Q_FOREACH (const QString &sig, recognizer->gestureSignals()) { |
| if (!sig.contains(QLatin1String("detected"))) { //weed out detected signals |
| QString tmp; |
| tmp = sig.left(sig.length() - 2); |
| if (str == tmp) { |
| // named signal for c++ |
| QMetaObject::invokeMethod(recognizer, str.toLocal8Bit(), Qt::DirectConnection); |
| // detected signal for qml and c++ |
| QMetaObject::invokeMethod(recognizer, "detected", Qt::DirectConnection, |
| Q_ARG(QString, str)); |
| break; |
| |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| void QSensorGestureManagerPrivate::recognizerStarted(const QSensorGestureRecognizer *recognizer) |
| { |
| QStringList list = recognizer->gestureSignals(); |
| list.removeOne(QLatin1String("detected(QString)")); |
| Q_EMIT newSensorGestures(list); |
| } |
| |
| void QSensorGestureManagerPrivate::recognizerStopped(const QSensorGestureRecognizer *recognizer) |
| { |
| QStringList list = recognizer->gestureSignals(); |
| list.removeOne(QLatin1String("detected(QString)")); |
| Q_EMIT removeSensorGestures(list); |
| } |
| |
| #endif |
| |
| QSensorGestureManagerPrivate * QSensorGestureManagerPrivate::instance() |
| { |
| QSensorGestureManagerPrivate *priv = sensorGestureManagerPrivate(); |
| // It's safe to return 0 because this is checked when used |
| //if (!priv) qFatal("Cannot return from QSensorGestureManagerPrivate::instance() because sensorGestureManagerPrivate() returned 0."); |
| return priv; |
| } |
| |
| |
| QT_END_NAMESPACE |