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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "winrtorientationsensor.h"
#include "winrtcommon.h"
#include <QtSensors/QOrientationSensor>
#include <functional>
#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;
}
if (!d->sensor) {
qCWarning(lcWinRtSensors) << "Default orientationsensor was not found on the system.";
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;
}
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