| /* |
| * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "DeviceMotionProviderQt.h" |
| |
| #include "DeviceMotionController.h" |
| #include "DeviceOrientationProviderQt.h" |
| |
| namespace WebCore { |
| |
| DeviceMotionProviderQt::DeviceMotionProviderQt() |
| : m_motion(DeviceMotionData::create()) |
| , m_deviceOrientation(new DeviceOrientationProviderQt) |
| , m_controller(0) |
| { |
| m_acceleration.addFilter(this); |
| } |
| |
| DeviceMotionProviderQt::~DeviceMotionProviderQt() |
| { |
| delete m_deviceOrientation; |
| } |
| |
| void DeviceMotionProviderQt::setController(DeviceMotionController* controller) |
| { |
| ASSERT(controller); |
| ASSERT(!m_controller); |
| m_controller = controller; |
| } |
| |
| void DeviceMotionProviderQt::start() |
| { |
| m_acceleration.start(); |
| m_deviceOrientation->start(); |
| } |
| |
| void DeviceMotionProviderQt::stop() |
| { |
| m_acceleration.stop(); |
| m_deviceOrientation->stop(); |
| } |
| |
| bool DeviceMotionProviderQt::filter(QAccelerometerReading* reading) |
| { |
| if (!m_controller) { |
| // We are the only filter. No need to propagate from here. |
| return false; |
| } |
| |
| RefPtr<DeviceMotionData::Acceleration> accel = DeviceMotionData::Acceleration::create( |
| /* x available */ true, reading->x(), |
| /* y available */ true, reading->y(), |
| /* z available */ true, reading->z()); |
| |
| RefPtr<DeviceMotionData::RotationRate> rotation = DeviceMotionData::RotationRate::create( |
| m_deviceOrientation->hasAlpha(), m_deviceOrientation->lastOrientation()->alpha(), |
| /* beta available */ true, m_deviceOrientation->lastOrientation()->beta(), |
| /* gamma available */ true, m_deviceOrientation->lastOrientation()->gamma()); |
| |
| m_motion = DeviceMotionData::create(accel, |
| accel, /* FIXME: Needs to provide acceleration include gravity. */ |
| rotation, |
| false, 0 /* The interval is treated internally by Qt mobility (QtSensors in Qt5) */); |
| |
| m_controller->didChangeDeviceMotion(m_motion.get()); |
| |
| // We are the only filter. No need to propagate from here. |
| return false; |
| } |
| |
| } // namespace WebCore |