1 files changed, 24 insertions, 62 deletions

diff --git a/src/plugins/sensors/winrt/winrtcompass.cpp b/src/plugins/sensors/winrt/winrtcompass.cpp
index 5ef730d0..a12f1dcd 100644
--- a/src/plugins/sensors/winrt/winrtcompass.cpp
+++ b/src/plugins/sensors/winrt/winrtcompass.cpp
@@ -1,47 +1,10 @@
-/****************************************************************************
-**
-** Copyright (C) 2017 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
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// 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 "winrtcompass.h"
 #include "winrtcommon.h"
 
 #include <QtSensors/QCompass>
-#include <private/qeventdispatcher_winrt_p.h>
 
 #include <functional>
 #include <wrl.h>
@@ -136,28 +99,30 @@ WinRtCompass::WinRtCompass(QSensor *sensor)
     : QSensorBackend(sensor), d_ptr(new WinRtCompassPrivate(this))
 {
     Q_D(WinRtCompass);
-    HRESULT hr = QEventDispatcherWinRT::runOnXamlThread([d]() {
-        HStringReference classId(RuntimeClass_Windows_Devices_Sensors_Compass);
-        ComPtr<ICompassStatics> factory;
-        HRESULT hr = RoGetActivationFactory(classId.Get(), IID_PPV_ARGS(&factory));
-        if (FAILED(hr)) {
-            qCWarning(lcWinRtSensors) << "Unable to initialize light sensor factory."
+
+    HStringReference classId(RuntimeClass_Windows_Devices_Sensors_Compass);
+    ComPtr<ICompassStatics> factory;
+    HRESULT hr = RoGetActivationFactory(classId.Get(), IID_PPV_ARGS(&factory));
+    if (FAILED(hr)) {
+        qCWarning(lcWinRtSensors) << "Unable to initialize light sensor factory."
                                       << qt_error_string(hr);
-            return hr;
-        }
+        sensorError(hr);
+        return;
+    }
 
-        hr = factory->GetDefault(&d->sensor);
-        if (FAILED(hr)) {
-            qCWarning(lcWinRtSensors) << "Unable to get default compass."
+    hr = factory->GetDefault(&d->sensor);
+    if (FAILED(hr)) {
+        qCWarning(lcWinRtSensors) << "Unable to get default compass."
                                       << qt_error_string(hr);
-        }
-        return hr;
-    });
-    if (FAILED(hr) || !d->sensor) {
         sensorError(hr);
         return;
     }
 
+    if (!d->sensor) {
+        qCWarning(lcWinRtSensors) << "Default compass was not found on the system.";
+        return;
+    }
+
     hr = d->sensor->get_MinimumReportInterval(&d->minimumReportInterval);
     if (FAILED(hr)) {
         qCWarning(lcWinRtSensors) << "Unable to get the minimum report interval."
@@ -183,12 +148,10 @@ void WinRtCompass::start()
         return;
     if (d->token.value)
         return;
-
-    HRESULT hr = QEventDispatcherWinRT::runOnXamlThread([d]() {
-        ComPtr<CompassReadingHandler> callback =
+    ComPtr<CompassReadingHandler> callback =
             Callback<CompassReadingHandler>(d, &WinRtCompassPrivate::readingChanged);
-        return d->sensor->add_ReadingChanged(callback.Get(), &d->token);
-    });
+    HRESULT hr = d->sensor->add_ReadingChanged(callback.Get(), &d->token);
+
     if (FAILED(hr)) {
         qCWarning(lcWinRtSensors) << "Unable to attach to reading changed event."
                                   << qt_error_string(hr);
@@ -216,9 +179,8 @@ void WinRtCompass::stop()
         return;
     if (!d->token.value)
         return;
-    HRESULT hr = QEventDispatcherWinRT::runOnXamlThread([d]() {
-        return d->sensor->remove_ReadingChanged(d->token);
-    });
+    HRESULT hr = d->sensor->remove_ReadingChanged(d->token);
+
     if (FAILED(hr)) {
         qCWarning(lcWinRtSensors) << "Unable to detach from reading changed event."
                                   << qt_error_string(hr);