diff -r 000000000000 -r 4e1aa6a622a0 sensorservices/orientationssy/inc/SsyChannel.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sensorservices/orientationssy/inc/SsyChannel.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,294 @@
+/*
+* Copyright (c) 2007,2008 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:  Channel class of Orientation SSY
+*
+*/
+
+
+#ifndef __SSYCHANNEL_H__
+#define __SSYCHANNEL_H__
+
+// INCLUDES
+#include <ssychanneldataprovider.h>  // ssy plugin API data provider
+#include <ssypropertyprovider.h>     // ssy plugin API property provider
+#include <sensrvchannelinfo.h>       // sensor server channelinfo
+#include <sensrvchanneldatatypes.h>  // sensor server datatypes
+#include <sensrvorientationsensor.h>  // sensor server datatypes
+
+// CONSTANTS
+enum TChannelState
+    {
+    EChannelIdle              = 0x0001,
+    EChannelOpening           = 0x0002,
+    EChannelOpen              = 0x0004,
+    EChannelClosing           = 0x0008,
+    EChannelListening         = 0x0010,
+    EChannelDataReceived      = 0x0020,
+    EChannelStopListening     = 0x0040,
+    EChannelForceBufferFilled = 0x0080,
+    EChannelBufferFilled      = 0x0100
+    };
+
+const TInt KChannelCanBeOpened   = EChannelIdle;
+
+const TInt KChannelCanBeListened = EChannelOpen;
+
+const TInt KChannelCanBeFilled   = EChannelListening |                                           
+                                   EChannelDataReceived;
+
+const TInt KChannelCanBeStopped  = EChannelListening |
+                                   EChannelDataReceived |
+                                   EChannelForceBufferFilled |
+                                   EChannelBufferFilled;
+
+const TInt KChannelCanBeClosed   = EChannelOpening |
+                                   EChannelOpen |
+                                   EChannelListening |
+                                   EChannelDataReceived |
+                                   EChannelStopListening |
+                                   EChannelForceBufferFilled |
+                                   EChannelBufferFilled;
+
+// FORWARD DECLARATIONS
+class CSSYProperty;
+class MSsyCallback;
+class CSSYOrientation;
+
+
+// CLASS DECLARATION
+
+/**
+ *  CSSYChannel channel class
+ *
+ *  Channel class for orientation ssy.
+ *
+ *  @lib orientationssy.lib
+ *  @since S60 5.0
+ */
+NONSHARABLE_CLASS( CSSYChannel ) : public CActive, 
+                                   public MSsyChannelDataProvider,
+                                   public MSsyPropertyProvider
+    {
+    public:
+
+        /**
+         * Two phase constructor.
+         *
+         * @param aProperty Properties of this channel
+         * @param aCallBack Callback class from sensor server
+         * @param aChannelInfo Informnation os this channel
+         */
+        static CSSYChannel* NewL( CSSYProperty* aProperty,
+                                  MSsyCallback* const aCallBack,                                  
+                                  const TSensrvChannelInfo& aChannelInfo );
+
+        /**
+         * Destructor.
+         */
+        virtual ~CSSYChannel();
+
+        /**
+         * Issue a request into the active scheduler.
+         */
+        void IssueRequest( TInt aError = KErrNone );
+
+        /**
+         * Append data into the client buffer.
+         *
+         * @param aOrientationData Orientation channel data
+         * @param aRotationData Rotation channel data
+         * @return TBool True if appending data is successfull
+         */
+        TBool AppendData( const TSensrvOrientationData& aOrientationData, 
+                          const TSensrvRotationData& aRotationData );
+
+        /**
+         * Open the channel. Called by the controller.
+         *
+         * @return KErrNone if channel is opened successfully
+         */
+        TInt OpenChannel();
+
+        /**
+         * Close the channel. Called by the controller.
+         *
+         * @return KErrNone if channel is closed successfully
+         */
+        TInt CloseChannel();
+
+        /**
+         * Return the channelId of the channel.
+         *
+         * @return Channel identifier of this channel
+         */
+        TSensrvChannelId ChannelId();
+
+        /**
+         * Set the channel id for the channel after getting it from the client.
+         * Called by the controller.
+         *
+         * @param aChannelId New channel identifier of this channel
+         */
+        void SetChannelId( const TSensrvChannelId aChannelId );
+
+    private:
+
+        /**
+         *  From CActive. Cancels any pending request
+         */
+        void DoCancel();
+
+        /**
+         *  From CActive. Handles completed request
+         */
+        void RunL();
+     
+        /**
+         *  From CActive. Handles errors
+         */
+        TInt RunError( TInt aError );
+     
+        /**
+         * From MSsyChannelDataProvider. Starts asynchronous data listening.
+         */
+        void StartChannelDataL( const TSensrvChannelId aChannelId,
+                                TUint8* aBuffer, TInt aCount );
+        /**
+         * From MSsyChannelDataProvider. Stops asynchronous data listening.
+         */
+        void StopChannelDataL( const TSensrvChannelId aChannelId );
+
+        /**
+         * From MSsyChannelDataProvider. Forces SSY to call BufferFilled()
+         * regardless of how many data items have been written to buffer.
+         */
+        void ForceBufferFilledL( const TSensrvChannelId aChannelId );    
+
+                                            
+        /**
+         * From MSsyChannelDataProvider.
+         */
+        void GetChannelDataProviderInterfaceL( TUid aInterfaceUid, 
+                                               TAny*& aInterface );
+        /**
+         * From MSsyPropertyProvider. Check if property value affects other sensor
+         * channels already open.
+         */
+        void CheckPropertyDependenciesL( const TSensrvChannelId aChannelId,
+                                         const TSensrvProperty& aProperty,
+                                         RSensrvChannelList& aAffectedChannels );
+
+        /**
+         * From MSsyPropertyProvider. Set property for the channel.
+         */
+        void SetPropertyL( const TSensrvChannelId aChannelId,
+                           const TSensrvProperty& aProperty );
+
+        /**
+         * From MSsyPropertyProvider. Get property for the channel.
+         */
+        void GetPropertyL( const TSensrvChannelId aChannelId, 
+                           TSensrvProperty& aProperty );
+
+        /**
+         * From MSsyPropertyProvider. Get all properties for the channel.
+         */
+        void GetAllPropertiesL( const TSensrvChannelId aChannelId, 
+                                RSensrvPropertyList& aChannelPropertyList );
+                                
+        /**
+         * From MSsyPropertyProvider. Get all properties for the channel.
+         */
+        void GetPropertyProviderInterfaceL( TUid aInterfaceUid, 
+                                            TAny*& aInterface );
+                                            
+        /**
+         * C++ constructor.
+         */
+        CSSYChannel( CSSYProperty* aProperty,
+                     MSsyCallback* const aCallBack,                  
+                     const TSensrvChannelInfo& aChannelInfo );
+
+        /**
+         * Symbian 2nd phase constructor.
+         */            
+        void ConstructL();
+
+        /**
+         * Return the channelinfo of the channel.
+         */
+        TSensrvChannelInfo& ChannelInfo();            
+    
+        /**
+         *   Set the state of the channel.
+         */
+        void SetChannelState( const TChannelState aChannelState );        
+
+    private: // data
+
+        /** 
+         * Orientation handler. 
+         */
+        CSSYOrientation*   iOrientationHandler;
+
+        /** 
+         * Channel specific properties. 
+         */
+        CSSYProperty*      iChannelProperties;
+
+		/** 
+         * Sensor specific properties common for all the channels. 
+         */
+        CSSYProperty*      iSensorProperties;
+
+        /** 
+         * Ssy callback class. 
+         */
+        MSsyCallback*      iCallback;
+
+        /** 
+         * Channel state. 
+         */
+        TChannelState      iChannelState;
+
+        /** 
+         * Channelinfo. 
+         */
+        TSensrvChannelInfo iChannelInfo;
+
+        /** 
+         * Receive buffer for data. 
+         */
+        TUint8*            iBuffer;
+
+        /** 
+         * Amount of data to be received. 
+         */
+        TInt               iCount;
+
+        /** 
+         * Amount of data that is currently received. 
+         */
+        TInt               iCountReceived;
+
+        /** 
+         * Pointer into the buffer where we are writing currently. 
+         */
+        TUint8*            iWritePointer;
+
+};
+
+#endif // __SSYCHANNEL_H__
+
+// End of File