camerauis/cameraxui/cxengine/src/cxesensoreventhandlersymbian.cpp
branchRCL_3
changeset 53 61bc0f252b2b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxengine/src/cxesensoreventhandlersymbian.cpp	Tue Aug 31 15:03:46 2010 +0300
@@ -0,0 +1,172 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#include "xqdeviceorientation.h"
+#include "cxesensoreventhandlersymbian.h"
+#include "cxutils.h"
+
+
+CxeSensorEventHandlerSymbian::CxeSensorEventHandlerSymbian()
+: mOrientationSensor(NULL)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+CxeSensorEventHandlerSymbian::~CxeSensorEventHandlerSymbian()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+
+/*
+* initializes and enables all supported sensor events
+*/
+void CxeSensorEventHandlerSymbian::init()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    enableOrientationSensor();
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+/*
+* closes all supported sensors.
+*/
+void CxeSensorEventHandlerSymbian::deinit()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    disableOrientationSensor();
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+/*
+ * Initializes and opens connection to recieve orientation sensor events
+ */
+void CxeSensorEventHandlerSymbian::enableOrientationSensor()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    if( mOrientationSensor == NULL) {
+        mOrientationSensor = new XQDeviceOrientation(this);
+        if (mOrientationSensor) {
+
+        // connect signals from orientationsensor, so we recieve events when orientation changes
+        QObject::connect( mOrientationSensor,
+                          SIGNAL(orientationChanged(XQDeviceOrientation::DisplayOrientation)),
+                          this,SLOT(handleOrientationChanged(XQDeviceOrientation::DisplayOrientation)) );
+
+        // open the sensor connection
+        mOrientationSensor->open();
+        }
+    }
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*
+ * Closes and destroys connection to orientation sensor events.
+ */
+void CxeSensorEventHandlerSymbian::disableOrientationSensor()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    if (mOrientationSensor) {
+        mOrientationSensor->close();
+        delete mOrientationSensor;
+        mOrientationSensor = NULL;
+    }
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+/*
+ * Closes and destroys connection to orientation sensor events.
+ */
+QVariant CxeSensorEventHandlerSymbian::sensorData(CxeSensorEventHandlerSymbian::SensorType type)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    QVariant data;
+
+    if (mOrientationSensor && type == CxeSensorEventHandler::OrientationSensor) {
+        data = qVariantFromValue<Cxe::DeviceOrientation > (mapOrientationSensorData(mOrientationSensor->orientation()));
+    }
+
+    CX_DEBUG_EXIT_FUNCTION();
+
+    return data;
+}
+
+
+/*
+ * Emits signal whenever we receive data from orientation sensor.
+ */
+void CxeSensorEventHandlerSymbian::handleOrientationChanged(XQDeviceOrientation::DisplayOrientation sensorData)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    QVariant data = qVariantFromValue<Cxe::DeviceOrientation > (mapOrientationSensorData(sensorData));
+    emit sensorEvent(CxeSensorEventHandler::OrientationSensor, data);
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+/*
+* Maps sensor data to camera enums
+*/
+Cxe::DeviceOrientation
+CxeSensorEventHandlerSymbian::mapOrientationSensorData(XQDeviceOrientation::DisplayOrientation sensorData)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    Cxe::DeviceOrientation uiOrientation(Cxe::Orientation0);
+
+    switch (sensorData) {
+        case XQDeviceOrientation::OrientationDisplayUpwards:
+        case XQDeviceOrientation::OrientationDisplayDownwards:
+            uiOrientation = Cxe::OrientationNone;
+            break;
+        case XQDeviceOrientation::OrientationDisplayRightUp:
+        case XQDeviceOrientation::OrientationUndefined:
+            uiOrientation = Cxe::Orientation0;
+            break;
+        case XQDeviceOrientation::OrientationDisplayUp:
+            uiOrientation = Cxe::Orientation90;
+            break;
+        case XQDeviceOrientation::OrientationDisplayLeftUp:
+            uiOrientation = Cxe::Orientation180;
+            break;
+        case XQDeviceOrientation::OrientationDisplayDown:
+            uiOrientation = Cxe::Orientation270;
+            break;
+        default:
+            break;
+    }
+
+    CX_DEBUG_EXIT_FUNCTION();
+
+    return uiOrientation;
+}
+
+
+// end of file