--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/remoteconn_plat/generic_hid_api/inc/hidgeneric.h Fri Jun 11 14:27:06 2010 +0300
@@ -0,0 +1,339 @@
+/*
+* Copyright (c) 2004-2007 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: Declares main application class.
+*
+*/
+
+
+#ifndef C_GENERICHID_H
+#define C_GENERICHID_H
+
+#include <hidinterfaces.h>
+
+class CDriverListItem;
+class TElement;
+class CParser;
+class CReportRoot;
+class CConnectionInfo;
+
+/**
+ *
+ * Generic HID main class
+ * Generic HID layer, allowing the HID Transport layers and device drivers to
+ * pass data to the Generic HID
+ *
+ * @lib generichid.lib
+ * @since S60 v5.0
+ */
+class CGenericHid : public CHidTransport, public MDriverAccess
+ {
+public:
+ virtual ~CGenericHid();
+
+ /**
+ * Constructs a generic HID layer with a reference to the owner so commands can
+ * be sent to connected devices
+ *
+ * @since S60 v5.0
+ * @param aTransportLayer The owning transport layer
+ * @return a Pointer to an instantiated Generic HID layer
+ */
+ IMPORT_C static CGenericHid* NewL(MTransportLayer* aTransportLayer);
+
+ /**
+ * Constructs a generic HID layer with a reference to the owner so commands can
+ * be sent to connected devices
+ *
+ * @since S60 v5.0
+ * @param aTransportLayer The owning transport layer
+ * @return a Pointer to an instantiated Generic HID layer
+ */
+ IMPORT_C static CGenericHid* NewLC(MTransportLayer* aTransportLayer);
+
+ /**
+ * Fromm class MDriverAccess
+ * Retrieves the country code for the HID device
+ *
+ * @since S60 v5.0
+ * @param aConnectionID The device identifier
+ * @return a country code
+ */
+ TUint CountryCodeL(TInt aConnectionID);
+
+ /**
+ * Fromm class MDriverAccess
+ * Retrieves the country code for the HID device
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device identifier
+ * @return a vendor ir
+ */
+ TUint VendorIdL(TInt aConnectionId);
+
+ /**
+ * Fromm class MDriverAccess
+ * Retrieves the product identifier for the HID device
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device identifier
+ * @return a prodcut id
+ */
+ TUint ProductIdL(TInt aConnectionId);
+
+
+ /**
+ * Fromm class MDriverAccess
+ * Sets the protocol to be used for reports.
+ * Leaves KErrInUse The request was not successful because the
+ * transport layer is busy with a previous request,
+ * KErrNotReady The request failed because the device
+ * is currently unavailable and KErrNotFound The request
+ * was unsuccessful
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device identifier
+ * @param aInterface The device interface being used by the driver
+ * @param aProtocol The requested report protocol (boot or report)
+ * @parem aDriver Calling driver
+ * @return None.
+ */
+ void SetProtocolL(TInt aConnectionId, TUint16 aInterface,
+ MDriverAccess::TProtocols aProtocol, CHidDriver* aDriver);
+
+
+ /**
+ * Fromm class MDriverAccess
+ * Requests the current protocol from the HID device. This is an asynchronous
+ * request. The protocol value will come through at a later time
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device identifier
+ * @param aInterface The hid interface
+ * @return None.
+ */
+ void GetProtocolL(TInt aConnectionId, TUint16 aInterface);
+
+ /**
+ * Fromm class MDriverAccess
+ * A request for a report from the device. This is an asynchronous request.
+ * The report will come through at a later time
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device identifier
+ * @param aReportId report id to be get
+ * @param aInterface The device interface being used by the driver
+ * @param aLength report lenght
+ * @return None.
+ */
+ void GetReportL(TInt aConnectionId, TUint8 aReportId,
+ TUint16 aInterface, TUint16 aLength);
+
+ /**
+ * Fromm class MDriverAccess
+ * A request to send a report payload to the HID device
+ * Leaves whit KErrInUse The request was not successful because the transport
+ * layer is busy with previous request and KErrNotReady The request failed
+ * because the device is currently unavailable
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device ID
+ * @param aReportId The report id
+ * @param aReportType Type of report (input/output/feature)
+ * @param aPayload The report containing the device setup packet
+ * @param aInterface The device interface being used by the driver
+ * @parem aDriver Calling driver
+ * @return None.
+ */
+ void SetReportL(TInt aConnectionId,
+ TUint8 aReportId, MDriverAccess::TReportType aReportType,
+ const TDesC8& aPayload, TUint16 aInterface, CHidDriver* aDriver);
+
+ /**
+ * Fromm class MDriverAccess
+ * A request to send a report payload to the HID device in Interrupt Channel
+ * Leaves whit KErrInUse The request was not successful because the transport
+ * layer is busy with previous request and KErrNotReady The request failed
+ * because the device is currently unavailable
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device ID
+ * @param aReportId report id which payload to be send
+ * @param aPayload The report containing the device setup packet
+ * @param aInterface The device interface being used by the driver
+ * @return None.
+ */
+ void DataOutL(TInt aConnectionId, TUint8 aReportId,
+ const TDesC8& aPayload, TUint16 aInterface);
+
+ /**
+ * Fromm class MDriverAccess
+ * Request for the current idle setting for the device
+ * This is an asynchronous request. The idle value will come through at a
+ * later time. Leaves whit KErrInUse The request was not successful because the transport
+ * layer is busy with previous request and KErrNotReady The request failed
+ * because the device is currently unavailable
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device identifier
+ * @param aReportId The report ID for which we want the idle rate
+ * @param aInterface The device interface being used by the driver
+ * @return None.
+ */
+ void GetIdleL(TInt aConnectionId, TUint8 aReportId, TUint16 aInterface);
+
+ /**
+ * Fromm class MDriverAccess
+ * Request to the HID device to set the specified idle rate
+ * A request to send a report payload to the HID device
+ * Leaves whit KErrInUse The request was not successful because the transport
+ * layer is busy with previous request and KErrNotReady The request failed
+ * because the device is currently unavailable
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device ID
+ * @param aDuration The number of 0.04ms intervals to wait between reports
+ * @param aReportId The report for which the idle rate is being set
+ * @param aInterface The device interface being used by the driver
+ * @parem aDriver Calling driver
+ * @return None.
+ */
+ void SetIdleL(TInt aConnectionId, TUint8 aDuration,
+ TUint8 aReportId, TUint16 aInterface, CHidDriver* aDriver);
+
+ /**
+ * From class CHidTransport
+ * Called by the transport layers to inform the generic HID of the success of
+ * the last Set... command.
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device ID
+ * @param aCmdAck Status of the last Set... command
+ * @return None.
+ */
+ void CommandResult(TInt aConnectionId, TInt aCmdAck);
+
+ /**
+ * From class MDriverAccess
+ * Gives the device driver access to the results of the report
+ * descriptor parsing
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The device ID
+ * @return A pointer to the parsed descriptor object.
+ */
+ CReportRoot* ReportDescriptor(TInt aConnectionId);
+
+ /**
+ * From class CHidTransport
+ * Called by a transport layer when a device has connected and the report
+ * descriptors have been obtained
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The tansport-layer enumeration for the connection
+ * @param aDescriptor The report descriptor for the connected HID device
+ * @return KErrNone if a driver was found, otherwise an error code
+ */
+ TInt ConnectedL(TInt aConnectionId, const TDesC8& aDescriptor);
+
+ /**
+ * From class CHidTransport
+ * Called by a transport layer when a device has been disconnected
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The tansport-layer enumeration for the connection
+ * @return KErrNone if a driver was found, otherwise an error code
+ */
+ TInt Disconnected(TInt aConnectionId);
+
+ /**
+ * From class CHidTransport
+ * Called by the transport layer when a device has sent a report on the
+ * interrupt or control channel
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The tansport-layer enumeration for the connection
+ * @param aChannel Channel ID (Interrupt or Control)
+ * @param aPayload The complete report payload
+ * @return KErrNone if the data was handled by the driver, otherwise an error code
+ */
+ virtual TInt DataIn(TInt aConnectionId,
+ CHidTransport::THidChannelType aChannel, const TDesC8& aPayload);
+
+ /**
+ * From class CHidTransport
+ * Called by the transport layer to suspend or resume a driver
+ *
+ * @since S60 v5.0
+ * @param aConnectionId The tansport-layer enumeration for the connection
+ * @param aActive EActive to start the driver(s), ESuspend to suspend
+ * @return KErrNone if the driver was successfully activated, otherwise an error code
+ */
+ TInt DriverActive(TInt aConnectionId,
+ CHidTransport::TDriverState aActive);
+
+protected:
+ CGenericHid(MTransportLayer* aTransportLayer);
+ void ConstructL();
+
+private:
+
+ /**
+ * Remove drivers
+ *
+ * @since S60 v5.0
+ * @return None
+ */
+ void RemoveDrivers();
+
+ /**
+ * Attempts to find a driver that is handling reports from the HID device
+ *
+ * @since S60 v5.0
+ * @return Connection information
+ */
+ CConnectionInfo* SeekConnectionInfo(TInt aConnectionId);
+
+private:
+
+ /**
+ * Instantiated driver list
+ */
+ TSglQue<CDriverListItem> iDriverList;
+
+ /**
+ * Parser
+ * Own.
+ */
+ CParser* iParser;
+
+ /**
+ * Parser
+ * Not own.
+ */
+ MTransportLayer* iTransportLayer;
+
+ /**
+ * Connection information
+ */
+ RPointerArray<CConnectionInfo> iConnectionInfo;
+
+ /**
+ * Input data handling registry
+ * Own.
+ */
+ CHidInputDataHandlingReg* iInputHandlingReg;
+
+ };
+
+#endif