webengine/device/inc/DeviceLiwBinding.h
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     1 /*
       
     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Device Liw Binding
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef __DEVICELIWBINDING_H
       
    20 #define __DEVICELIWBINDING_H
       
    21 
       
    22 #include <e32std.h>
       
    23 #include <LiwCommon.h>
       
    24 #include "DeviceLiwMap.h"
       
    25 #include "DeviceBinding.h"
       
    26 #include "DeviceLiwIterable.h"
       
    27 
       
    28 class CLiwServiceHandler;
       
    29 class CRTSecMgrScriptSession;
       
    30 class CRTSecManager;
       
    31 namespace KJS
       
    32     {
       
    33     class List;
       
    34     class UString;
       
    35 
       
    36     class CDeviceLiwBinding : public CBase, public MDeviceBinding
       
    37         {
       
    38         friend class DeviceLiwMap;
       
    39         friend class DeviceLiwIterableFunc;
       
    40         friend class DeviceLiwIterable;
       
    41 
       
    42         public: // constructor and destructor
       
    43 
       
    44         static CDeviceLiwBinding* NewL();
       
    45 
       
    46            /**
       
    47             * Destructor
       
    48             * @return none
       
    49             * @since 5.0
       
    50             **/
       
    51             virtual ~CDeviceLiwBinding();
       
    52 
       
    53         public: // from MDeviceBinding
       
    54 
       
    55            /**
       
    56             * Load the service provider
       
    57             * @return TInt error code
       
    58             * @since 5.0
       
    59             **/
       
    60             TInt LoadServiceProvider( ExecState* exec, const List& args );
       
    61 
       
    62            /**
       
    63             * Factory method to create the device peer object
       
    64             * @return MDevicePeer*
       
    65             * @since 5.0
       
    66             **/
       
    67             MDevicePeer* ServiceObjectPeer( ExecState* exec,
       
    68                 const List& args );
       
    69 
       
    70            /**
       
    71             * Invoke SAPI call
       
    72             * @return JSValue - output params of the SAPI call
       
    73             * @since 5.0
       
    74             **/
       
    75             JSValue* InvokeOp( ExecState* exec, const Identifier& propertyName,
       
    76                 const List& args, MDevicePeer* peer );
       
    77 
       
    78             /**
       
    79             * Query and List providers
       
    80             * @return JSValue* - output params of the LIW call to list providers
       
    81             * @since 5.0
       
    82             **/
       
    83             JSValue* ListProviders( ExecState* exec, const List& args );
       
    84 
       
    85         public:
       
    86 
       
    87            /**
       
    88             * Create SAPI interface
       
    89             * @return JSValue - DeviceLiwInterface object
       
    90             * @since 5.0
       
    91             **/
       
    92             JSValue* CreateInterface( ExecState* exec,
       
    93                 HBufC8 * serviceName,
       
    94                 const Identifier& interfaceName );
       
    95 
       
    96            /**
       
    97             * Convert LiwGenericParamList to javascript list
       
    98             * @return JSValue - javascript list
       
    99             * @since 5.0
       
   100             **/
       
   101             JSValue* LiwGenericParamList2JsArray( ExecState* exec,
       
   102                 CLiwGenericParamList* liwList );
       
   103 
       
   104             /**
       
   105             * Convert Unload service provider
       
   106             * @return JSValue - javascript list
       
   107             * @since 5.0
       
   108             **/
       
   109             void UnloadServiceProvider(const TDesC8& aServiceName,const TDesC8& aInterfaceName);
       
   110 
       
   111             /**
       
   112             * SetUid
       
   113             * @return none
       
   114             * @since 5.0
       
   115             **/
       
   116             void SetUid( const TUint& aValue);
       
   117 
       
   118         private:
       
   119 
       
   120             void ConstructL();
       
   121 
       
   122         private:
       
   123 
       
   124            /**
       
   125             * Invoke SAPI call
       
   126             * @return JSValue* - output params of the SAPI call
       
   127             * @since 5.0
       
   128             **/
       
   129             JSValue* InvokeOpInternal( ExecState* exec, const Identifier& prop,
       
   130                 const List& args, MDevicePeer* peer );
       
   131 
       
   132            /**
       
   133             * Convert LiwVariant to javascript JSValue
       
   134             * @return JSValue - javascript JSValue
       
   135             * @since 5.0
       
   136             **/
       
   137             JSValue* LiwVariant2JsVal( ExecState* exec,
       
   138                 const TLiwVariant& variant );
       
   139 
       
   140            /**
       
   141             * Check if the input is a javascript list
       
   142             * @return TBool
       
   143             * @since 5.0
       
   144             **/
       
   145             TBool IsAList( ExecState* exec, JSValue* value );
       
   146 
       
   147            /**
       
   148             * Convert javascript list to LiwGenericParamList
       
   149             * @return none
       
   150             * @since 5.0
       
   151             **/
       
   152             void JsList2LiwGenericParamListL( ExecState* exec,
       
   153                 JSValue* value,
       
   154                 CLiwGenericParamList& liwList );
       
   155 
       
   156            /**
       
   157             * Convert javscript JSValue to LiwVariant
       
   158             * @return TBool
       
   159             * @since 5.0
       
   160             **/
       
   161             TBool JsVal2LiwVariant( ExecState* exec, JSValue* value,
       
   162                 TLiwVariant& variant );
       
   163 
       
   164         private:
       
   165 
       
   166             CLiwServiceHandler* m_serviceHandler;   // Owned
       
   167             RCriteriaArray* m_critArr;               // Owned
       
   168              /// Main session to secManager
       
   169             CRTSecManager* m_secMgr;                  // Owned
       
   170             CRTSecMgrScriptSession* m_scriptSession;  // Owned
       
   171             TUid m_Uid;
       
   172         };
       
   173 
       
   174        /**
       
   175         * Convert 16 bit to 8 bit
       
   176         * @return HBufC8*
       
   177         * @since 5.0
       
   178         **/
       
   179         HBufC8* GetAsciiBufferL( const UString& buf );
       
   180 
       
   181     }
       
   182 
       
   183 #endif //__DEVICELIWBINDING_H
       
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