1 /*
2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20 #include "config.h"
21 #include "DeviceOrientationProviderQt.h"
22
23 #include "DeviceOrientationClientMockQt.h"
24
25 namespace WebCore {
26
DeviceOrientationProviderQt()27 DeviceOrientationProviderQt::DeviceOrientationProviderQt()
28 {
29 m_rotation.addFilter(this);
30 m_orientation = DeviceOrientation::create();
31
32 if (DeviceOrientationClientMockQt::mockIsActive)
33 activeClientMock();
34 }
35
~DeviceOrientationProviderQt()36 DeviceOrientationProviderQt::~DeviceOrientationProviderQt()
37 {
38 disconnect();
39 }
40
start()41 void DeviceOrientationProviderQt::start()
42 {
43 m_rotation.start();
44 }
45
stop()46 void DeviceOrientationProviderQt::stop()
47 {
48 m_rotation.stop();
49 }
50
filter(QRotationReading * reading)51 bool DeviceOrientationProviderQt::filter(QRotationReading* reading)
52 {
53 // Provide device orientation data according W3C spec:
54 // http://dev.w3.org/geo/api/spec-source-orientation.html
55 // Qt mobility provide these data via QRotationSensor using the
56 // QRotationReading class:
57 // - the rotation around z axis (alpha) is given as z in QRotationReading;
58 // - the rotation around x axis (beta) is given as x in QRotationReading;
59 // - the rotation around y axis (gamma) is given as y in QRotationReading;
60 // See: http://doc.qt.nokia.com/qtmobility-1.0/qrotationreading.html
61 // The Z (alpha) rotation angle is checked via hasAlpha() private method,
62 // depending if the device is able do detect the alpha rotation. X (beta) and
63 // Y (gamma) axis are availble in this context.
64 m_orientation = DeviceOrientation::create(hasAlpha(), reading->z(),
65 /* x available */ true, reading->x(),
66 /* y available */ true, reading->y());
67 emit deviceOrientationChanged(m_orientation.get());
68
69 return false;
70 }
71
changeDeviceOrientation(DeviceOrientation * orientation)72 void DeviceOrientationProviderQt::changeDeviceOrientation(DeviceOrientation* orientation)
73 {
74 m_orientation = orientation;
75 }
76
activeClientMock()77 void DeviceOrientationProviderQt::activeClientMock()
78 {
79 connect(DeviceOrientationClientMockQt::client(), SIGNAL(mockOrientationChanged(DeviceOrientation*)), SLOT(changeDeviceOrientation(DeviceOrientation*)));
80 }
81
82 }
83
84 #include "moc_DeviceOrientationProviderQt.cpp"
85