diff options
Diffstat (limited to 'tools/qml/deviceorientation_maemo5.cpp')
| -rw-r--r-- | tools/qml/deviceorientation_maemo5.cpp | 53 |
1 files changed, 37 insertions, 16 deletions
diff --git a/tools/qml/deviceorientation_maemo5.cpp b/tools/qml/deviceorientation_maemo5.cpp index e942579..a324820 100644 --- a/tools/qml/deviceorientation_maemo5.cpp +++ b/tools/qml/deviceorientation_maemo5.cpp @@ -50,23 +50,9 @@ class MaemoOrientation : public DeviceOrientation Q_OBJECT public: MaemoOrientation() - : o(UnknownOrientation) + : o(UnknownOrientation), sensorEnabled(false) { - // enable the orientation sensor - QDBusConnection::systemBus().call( - QDBusMessage::createMethodCall(MCE_SERVICE, MCE_REQUEST_PATH, - MCE_REQUEST_IF, MCE_ACCELEROMETER_ENABLE_REQ)); - - // query the initial orientation - QDBusMessage reply = QDBusConnection::systemBus().call( - QDBusMessage::createMethodCall(MCE_SERVICE, MCE_REQUEST_PATH, - MCE_REQUEST_IF, MCE_DEVICE_ORIENTATION_GET)); - if (reply.type() == QDBusMessage::ErrorMessage) { - qWarning("Unable to retrieve device orientation: %s", qPrintable(reply.errorMessage())); - } else { - o = toOrientation(reply.arguments().value(0).toString()); - } - + resumeListening(); // connect to the orientation change signal QDBusConnection::systemBus().connect(QString(), MCE_SIGNAL_PATH, MCE_SIGNAL_IF, MCE_DEVICE_ORIENTATION_SIG, @@ -91,6 +77,40 @@ public: { } + void pauseListening() { + if (sensorEnabled) { + // disable the orientation sensor + QDBusConnection::systemBus().call( + QDBusMessage::createMethodCall(MCE_SERVICE, MCE_REQUEST_PATH, + MCE_REQUEST_IF, MCE_ACCELEROMETER_DISABLE_REQ)); + sensorEnabled = false; + } + } + + void resumeListening() { + if (!sensorEnabled) { + // enable the orientation sensor + QDBusConnection::systemBus().call( + QDBusMessage::createMethodCall(MCE_SERVICE, MCE_REQUEST_PATH, + MCE_REQUEST_IF, MCE_ACCELEROMETER_ENABLE_REQ)); + + QDBusMessage reply = QDBusConnection::systemBus().call( + QDBusMessage::createMethodCall(MCE_SERVICE, MCE_REQUEST_PATH, + MCE_REQUEST_IF, MCE_DEVICE_ORIENTATION_GET)); + + if (reply.type() == QDBusMessage::ErrorMessage) { + qWarning("Unable to retrieve device orientation: %s", qPrintable(reply.errorMessage())); + } else { + Orientation orientation = toOrientation(reply.arguments().value(0).toString()); + if (o != orientation) { + o = orientation; + emit orientationChanged(); + } + sensorEnabled = true; + } + } + } + private Q_SLOTS: void deviceOrientationChanged(const QString &newOrientation) { @@ -116,6 +136,7 @@ private: private: Orientation o; + bool sensorEnabled; }; DeviceOrientation* DeviceOrientation::instance() |