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40 | ****************************************************************************/ |
41 | |
42 | #include "deviceorientation.h" |
43 | #include <QtDBus> |
44 | #include <QDebug> |
45 | |
46 | #define ORIENTATION_SERVICE QLatin1String("com.nokia.SensorService") |
47 | #define ORIENTATION_PATH QLatin1String("/org/maemo/contextkit/Screen/TopEdge") |
48 | #define CONTEXT_INTERFACE QLatin1String("org.maemo.contextkit.Property") |
49 | #define CONTEXT_CHANGED QLatin1String("ValueChanged") |
50 | #define CONTEXT_SUBSCRIBE QLatin1String("Subscribe") |
51 | #define CONTEXT_UNSUBSCRIBE QLatin1String("Unsubscribe") |
52 | #define CONTEXT_GET QLatin1String("Get") |
53 | |
54 | |
55 | class HarmattanOrientation : public DeviceOrientation |
56 | { |
57 | Q_OBJECT |
58 | public: |
59 | HarmattanOrientation() |
60 | : o(UnknownOrientation), sensorEnabled(false) |
61 | { |
62 | resumeListening(); |
63 | // connect to the orientation change signal |
64 | bool ok = QDBusConnection::systemBus().connect(ORIENTATION_SERVICE, ORIENTATION_PATH, |
65 | CONTEXT_INTERFACE, |
66 | CONTEXT_CHANGED, |
67 | this, |
68 | SLOT(deviceOrientationChanged(QList<QVariant>,quint64))); |
69 | // qDebug() << "connection OK" << ok; |
70 | QDBusMessage reply = QDBusConnection::systemBus().call( |
71 | QDBusMessage::createMethodCall(ORIENTATION_SERVICE, ORIENTATION_PATH, |
72 | CONTEXT_INTERFACE, CONTEXT_GET)); |
73 | if (reply.type() != QDBusMessage::ErrorMessage) { |
74 | QList<QVariant> args; |
75 | qvariant_cast<QDBusArgument>(reply.arguments().at(0)) >> args; |
76 | deviceOrientationChanged(args, 0); |
77 | } |
78 | } |
79 | |
80 | ~HarmattanOrientation() |
81 | { |
82 | // unsubscribe from the orientation sensor |
83 | if (sensorEnabled) |
84 | QDBusConnection::systemBus().call( |
85 | QDBusMessage::createMethodCall(ORIENTATION_SERVICE, ORIENTATION_PATH, |
86 | CONTEXT_INTERFACE, CONTEXT_UNSUBSCRIBE)); |
87 | } |
88 | |
89 | inline Orientation orientation() const |
90 | { |
91 | return o; |
92 | } |
93 | |
94 | void setOrientation(Orientation) |
95 | { |
96 | } |
97 | |
98 | void pauseListening() { |
99 | if (sensorEnabled) { |
100 | // unsubscribe from the orientation sensor |
101 | QDBusConnection::systemBus().call( |
102 | QDBusMessage::createMethodCall(ORIENTATION_SERVICE, ORIENTATION_PATH, |
103 | CONTEXT_INTERFACE, CONTEXT_UNSUBSCRIBE)); |
104 | sensorEnabled = false; |
105 | } |
106 | } |
107 | |
108 | void resumeListening() { |
109 | if (!sensorEnabled) { |
110 | // subscribe to the orientation sensor |
111 | QDBusMessage reply = QDBusConnection::systemBus().call( |
112 | QDBusMessage::createMethodCall(ORIENTATION_SERVICE, ORIENTATION_PATH, |
113 | CONTEXT_INTERFACE, CONTEXT_SUBSCRIBE)); |
114 | |
115 | if (reply.type() == QDBusMessage::ErrorMessage) { |
116 | qWarning("Unable to retrieve device orientation: %s", qPrintable(reply.errorMessage())); |
117 | } else { |
118 | sensorEnabled = true; |
119 | } |
120 | } |
121 | } |
122 | |
123 | private Q_SLOTS: |
124 | void deviceOrientationChanged(QList<QVariant> args,quint64) |
125 | { |
126 | if (args.count() == 0) |
127 | return; |
128 | Orientation newOrientation = toOrientation(args.at(0).toString()); |
129 | if (newOrientation != o) { |
130 | o = newOrientation; |
131 | emit orientationChanged(); |
132 | } |
133 | // qDebug() << "orientation" << args.at(0).toString(); |
134 | } |
135 | |
136 | private: |
137 | static Orientation toOrientation(const QString &nativeOrientation) |
138 | { |
139 | if (nativeOrientation == QLatin1String("top")) |
140 | return Landscape; |
141 | else if (nativeOrientation == QLatin1String("left")) |
142 | return Portrait; |
143 | else if (nativeOrientation == QLatin1String("bottom")) |
144 | return LandscapeInverted; |
145 | else if (nativeOrientation == QLatin1String("right")) |
146 | return PortraitInverted; |
147 | return UnknownOrientation; |
148 | } |
149 | |
150 | private: |
151 | Orientation o; |
152 | bool sensorEnabled; |
153 | }; |
154 | |
155 | DeviceOrientation* DeviceOrientation::instance() |
156 | { |
157 | static HarmattanOrientation *o = new HarmattanOrientation; |
158 | return o; |
159 | } |
160 | |
161 | #include "deviceorientation_harmattan.moc" |
162 |
Warning: That file was not part of the compilation database. It may have many parsing errors.