diff options
Diffstat (limited to 'src/plugins/sensors/winrt/winrtorientationsensor.cpp')
| -rw-r--r-- | src/plugins/sensors/winrt/winrtorientationsensor.cpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/plugins/sensors/winrt/winrtorientationsensor.cpp b/src/plugins/sensors/winrt/winrtorientationsensor.cpp new file mode 100644 index 00000000..6d85e51c --- /dev/null +++ b/src/plugins/sensors/winrt/winrtorientationsensor.cpp @@ -0,0 +1,188 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "winrtorientationsensor.h" +#include "winrtcommon.h" + +#include <QtSensors/QOrientationSensor> + +QT_USE_NAMESPACE + +#include <wrl.h> +#include <windows.devices.sensors.h> +using namespace Microsoft::WRL; +using namespace Microsoft::WRL::Wrappers; +using namespace ABI::Windows::Foundation; +using namespace ABI::Windows::Devices::Sensors; + +typedef ITypedEventHandler<SimpleOrientationSensor *, SimpleOrientationSensorOrientationChangedEventArgs *> SimpleOrientationReadingHandler; + +QT_USE_NAMESPACE + +class WinRtOrientationSensorPrivate +{ +public: + WinRtOrientationSensorPrivate(WinRtOrientationSensor *p) : q(p) + { + token.value = 0; + } + + QOrientationReading reading; + + ComPtr<ISimpleOrientationSensor> sensor; + EventRegistrationToken token; + + HRESULT readingChanged(ISimpleOrientationSensor *, + ISimpleOrientationSensorOrientationChangedEventArgs *args) + { + SimpleOrientation value; + HRESULT hr = args->get_Orientation(&value); + if (FAILED(hr)) { + qCWarning(lcWinRtSensors) << "Failed to get orientation value." << qt_error_string(hr); + return hr; + } + + DateTime dateTime; + hr = args->get_Timestamp(&dateTime); + if (FAILED(hr)) { + qCWarning(lcWinRtSensors) << "Failed to get compass reading timestamp." << qt_error_string(hr); + return hr; + } + + switch (value) { + default: + reading.setOrientation(QOrientationReading::Undefined); + break; + case SimpleOrientation_NotRotated: + reading.setOrientation(QOrientationReading::TopUp); + break; + case SimpleOrientation_Rotated90DegreesCounterclockwise: + reading.setOrientation(QOrientationReading::RightUp); + break; + case SimpleOrientation_Rotated180DegreesCounterclockwise: + reading.setOrientation(QOrientationReading::TopDown); + break; + case SimpleOrientation_Rotated270DegreesCounterclockwise: + reading.setOrientation(QOrientationReading::LeftUp); + break; + case SimpleOrientation_Faceup: + reading.setOrientation(QOrientationReading::FaceUp); + break; + case SimpleOrientation_Facedown: + reading.setOrientation(QOrientationReading::FaceDown); + break; + } + + reading.setTimestamp(dateTimeToMsSinceEpoch(dateTime)); + q->newReadingAvailable(); + return S_OK; + } + +private: + WinRtOrientationSensor *q; +}; + +WinRtOrientationSensor::WinRtOrientationSensor(QSensor *sensor) + : QSensorBackend(sensor), d_ptr(new WinRtOrientationSensorPrivate(this)) +{ + Q_D(WinRtOrientationSensor); + HStringReference classId(RuntimeClass_Windows_Devices_Sensors_SimpleOrientationSensor); + ComPtr<ISimpleOrientationSensorStatics> factory; + HRESULT hr = RoGetActivationFactory(classId.Get(), IID_PPV_ARGS(&factory)); + if (FAILED(hr)) { + qCWarning(lcWinRtSensors) << "Unable to initialize orientation sensor factory." + << qt_error_string(hr); + sensorError(hr); + return; + } + + hr = factory->GetDefault(&d->sensor); + if (FAILED(hr)) { + qCWarning(lcWinRtSensors) << "Unable to get default orientation sensor." + << qt_error_string(hr); + sensorError(hr); + return; + } + + setReading<QOrientationReading>(&d->reading); +} + +WinRtOrientationSensor::~WinRtOrientationSensor() +{ +} + +void WinRtOrientationSensor::start() +{ + Q_D(WinRtOrientationSensor); + if (!d->sensor) + return; + if (d->token.value) + return; + + ComPtr<SimpleOrientationReadingHandler> callback = + Callback<SimpleOrientationReadingHandler>(d, &WinRtOrientationSensorPrivate::readingChanged); + HRESULT hr = d->sensor->add_OrientationChanged(callback.Get(), &d->token); + if (FAILED(hr)) { + qCWarning(lcWinRtSensors) << "Unable to attach to reading changed event." + << qt_error_string(hr); + sensorError(hr); + return; + } +} + +void WinRtOrientationSensor::stop() +{ + Q_D(WinRtOrientationSensor); + if (!d->sensor) + return; + if (!d->token.value) + return; + + HRESULT hr = d->sensor->remove_OrientationChanged(d->token); + if (FAILED(hr)) { + qCWarning(lcWinRtSensors) << "Unable to detach from reading changed event." + << qt_error_string(hr); + sensorError(hr); + return; + } + + d->token.value = 0; +} |