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Diffstat (limited to 'src/plugins/sensors/ios/iosproximitysensor.mm')
-rw-r--r-- | src/plugins/sensors/ios/iosproximitysensor.mm | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/plugins/sensors/ios/iosproximitysensor.mm b/src/plugins/sensors/ios/iosproximitysensor.mm new file mode 100644 index 00000000..5ba832e3 --- /dev/null +++ b/src/plugins/sensors/ios/iosproximitysensor.mm @@ -0,0 +1,133 @@ +/**************************************************************************** +** +** Copyright (C) 2013 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#import <UIKit/UIDevice.h> + +#include "iosproximitysensor.h" + +char const * const IOSProximitySensor::id("ios.proximitysensor"); + +QT_BEGIN_NAMESPACE + +@interface ProximitySensorCallback : NSObject +{ + IOSProximitySensor *m_iosProximitySensor; +} +@end + +@implementation ProximitySensorCallback + +- (id)initWithQIOSProximitySensor:(IOSProximitySensor *)iosProximitySensor +{ + self = [super init]; + if (self) { + m_iosProximitySensor = iosProximitySensor; + [[NSNotificationCenter defaultCenter] + addObserver:self + selector:@selector(proximityChanged:) + name:@"UIDeviceProximityStateDidChangeNotification" object:nil]; + } + return self; +} + +-(void) dealloc +{ + [[NSNotificationCenter defaultCenter] + removeObserver:self + name:@"UIDeviceProximityStateDidChangeNotification" object:nil]; + [super dealloc]; +} + +- (void)proximityChanged:(NSNotificationCenter *)notification +{ + Q_UNUSED(notification); + bool close = [[UIDevice currentDevice] proximityState] == YES; + m_iosProximitySensor->proximityChanged(close); +} + +@end + +bool IOSProximitySensor::available() +{ + UIDevice *device = [UIDevice currentDevice]; + if (device.proximityMonitoringEnabled) + return true; + // According to the docs, you need to switch it on and + // re-read the property to check if it is available: + device.proximityMonitoringEnabled = YES; + bool available = device.proximityMonitoringEnabled; + device.proximityMonitoringEnabled = NO; + return available; +} + +IOSProximitySensor::IOSProximitySensor(QSensor *sensor) + : QSensorBackend(sensor) + , m_proximitySensorCallback(0) +{ + setReading<QProximityReading>(&m_reading); +} + +IOSProximitySensor::~IOSProximitySensor() +{ + [m_proximitySensorCallback release]; +} + +void IOSProximitySensor::start() +{ + m_proximitySensorCallback = [[ProximitySensorCallback alloc] initWithQIOSProximitySensor:this]; + [UIDevice currentDevice].proximityMonitoringEnabled = YES; +} + +void IOSProximitySensor::proximityChanged(bool close) +{ + m_reading.setClose(close); + m_reading.setTimestamp(quint64([[NSDate date] timeIntervalSinceReferenceDate] * 1e6)); + newReadingAvailable(); +} + +void IOSProximitySensor::stop() +{ + [UIDevice currentDevice].proximityMonitoringEnabled = NO; + [m_proximitySensorCallback release]; + m_proximitySensorCallback = 0; +} + +QT_END_NAMESPACE |