| 1 | // Copyright (C) 2016 Research In Motion |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qvideooutputorientationhandler_p.h" |
| 5 | |
| 6 | #include <QGuiApplication> |
| 7 | #include <QScreen> |
| 8 | |
| 9 | QT_BEGIN_NAMESPACE |
| 10 | |
| 11 | bool QVideoOutputOrientationHandler::m_isRecording = false; |
| 12 | |
| 13 | QVideoOutputOrientationHandler::QVideoOutputOrientationHandler(QObject *parent) |
| 14 | : QObject(parent) |
| 15 | , m_currentOrientation(0) |
| 16 | { |
| 17 | QScreen *screen = QGuiApplication::primaryScreen(); |
| 18 | if (!screen) |
| 19 | return; |
| 20 | |
| 21 | connect(sender: screen, signal: &QScreen::orientationChanged, context: this, |
| 22 | slot: &QVideoOutputOrientationHandler::screenOrientationChanged); |
| 23 | |
| 24 | screenOrientationChanged(orientation: screen->orientation()); |
| 25 | } |
| 26 | |
| 27 | int QVideoOutputOrientationHandler::currentOrientation() const |
| 28 | { |
| 29 | return m_currentOrientation; |
| 30 | } |
| 31 | |
| 32 | void QVideoOutputOrientationHandler::screenOrientationChanged(Qt::ScreenOrientation orientation) |
| 33 | { |
| 34 | if (m_isRecording) |
| 35 | return; |
| 36 | |
| 37 | const QScreen *screen = QGuiApplication::primaryScreen(); |
| 38 | if (!screen) |
| 39 | return; |
| 40 | |
| 41 | const int angle = (360 - screen->angleBetween(a: screen->nativeOrientation(), b: orientation)) % 360; |
| 42 | |
| 43 | if (angle == m_currentOrientation) |
| 44 | return; |
| 45 | |
| 46 | m_currentOrientation = angle; |
| 47 | emit orientationChanged(angle: m_currentOrientation); |
| 48 | } |
| 49 | |
| 50 | QT_END_NAMESPACE |
| 51 | |
| 52 | #include "moc_qvideooutputorientationhandler_p.cpp" |
| 53 |