tools/qml/deviceorientation_symbian.cpp
changeset 33 3e2da88830cd
child 37 758a864f9613
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/qml/deviceorientation_symbian.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -0,0 +1,162 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "deviceorientation.h"
+
+#include <e32base.h>
+#include <sensrvchannelfinder.h>
+#include <sensrvdatalistener.h>
+#include <sensrvchannel.h>
+#include <sensrvorientationsensor.h>
+
+class SymbianOrientation : public DeviceOrientation, public MSensrvDataListener
+{
+    Q_OBJECT
+public:
+    SymbianOrientation()
+        : DeviceOrientation(), m_current(UnknownOrientation), m_sensorChannel(0)
+    {
+        TRAP_IGNORE(initL());
+        if (!m_sensorChannel)
+            qWarning("No valid sensors found.");
+    }
+
+    ~SymbianOrientation()
+    {
+        if (m_sensorChannel) {
+            m_sensorChannel->StopDataListening();
+            m_sensorChannel->CloseChannel();
+            delete m_sensorChannel;
+        }
+    }
+
+    void initL()
+    {
+        CSensrvChannelFinder *channelFinder = CSensrvChannelFinder::NewLC();
+        RSensrvChannelInfoList channelInfoList;
+        CleanupClosePushL(channelInfoList);
+
+        TSensrvChannelInfo searchConditions;
+        searchConditions.iChannelType = KSensrvChannelTypeIdOrientationData;
+        channelFinder->FindChannelsL(channelInfoList, searchConditions);
+
+        for (int i = 0; i < channelInfoList.Count(); ++i) {
+            TRAPD(error, m_sensorChannel = CSensrvChannel::NewL(channelInfoList[i]));
+            if (!error)
+                TRAP(error, m_sensorChannel->OpenChannelL());
+            if (!error) {
+                TRAP(error, m_sensorChannel->StartDataListeningL(this, 1, 1, 0));
+                break;
+           }
+            if (error) {
+                delete m_sensorChannel;
+                m_sensorChannel = 0;
+            }
+        }
+
+        channelInfoList.Close();
+        CleanupStack::Pop(&channelInfoList);
+        CleanupStack::PopAndDestroy(channelFinder);
+    }
+
+    Orientation orientation() const
+    {
+        return m_current;
+    }
+
+   void setOrientation(Orientation) { }
+
+private:
+    DeviceOrientation::Orientation m_current;
+    CSensrvChannel *m_sensorChannel;
+
+    void DataReceived(CSensrvChannel &channel, TInt count, TInt dataLost)
+    {
+        if (channel.GetChannelInfo().iChannelType == KSensrvChannelTypeIdOrientationData) {
+            TSensrvOrientationData data;
+            for (int i = 0; i < count; ++i) {
+                TPckgBuf<TSensrvOrientationData> dataBuf;
+                channel.GetData(dataBuf);
+                data = dataBuf();
+                Orientation o = UnknownOrientation;
+                switch (data.iDeviceOrientation) {
+                case TSensrvOrientationData::EOrientationDisplayUp:
+                    o = Portrait;
+                    break;
+                case TSensrvOrientationData::EOrientationDisplayRightUp:
+                    o = Landscape;
+                    break;
+                case TSensrvOrientationData::EOrientationDisplayLeftUp:
+                case TSensrvOrientationData::EOrientationDisplayDown:
+                case TSensrvOrientationData::EOrientationUndefined:
+                case TSensrvOrientationData::EOrientationDisplayUpwards:
+                case TSensrvOrientationData::EOrientationDisplayDownwards:
+                default:
+                    break;
+                }
+
+                if (m_current != o && o != UnknownOrientation) {
+                    m_current = o;
+                    emit orientationChanged();
+                }
+           }
+        }
+    }
+
+   void DataError(CSensrvChannel& /* channel */, TSensrvErrorSeverity /* error */)
+   {
+   }
+
+   void GetDataListenerInterfaceL(TUid /* interfaceUid */, TAny*& /* interface */)
+   {
+   }
+};
+
+
+DeviceOrientation* DeviceOrientation::instance()
+{
+    static SymbianOrientation *o = 0;
+    if (!o)
+        o = new SymbianOrientation;
+    return o;
+}
+
+#include "deviceorientation_symbian.moc"