/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

#ifndef SYSTEMINFOPLUGIN_H

#define SYSTEMINFOPLUGIN_H

//  INCLUDES

#include <npscript.h>

// FORWARD DECLARATIONS

class CPowerObserver;

class CNetworkObserver;

class CSystemInfoMisc;

class MProfileEngine;

// CLASS DECLARATION

/******************************************

This class is specific to ECom Style Plugin.  This is used for passing

plugin specific initialization information to and from browser.

*******************************************/

IMPORT_C NPError InitializeFuncs( NPPluginFuncs* aPpf );

// CONSTANTS

const TInt KFirstSystemInfoImplementationValue = 0x10282854;

/**

*  CSystemInfoPluginEcomMain

*  Used for passing plugin specific initialization information to and from browser.

*  @lib npSystemInfoPlugin.lib

*  @since S60 v3.2

*/

NONSHARABLE_CLASS(CSystemInfoPluginEcomMain) : public CEcomBrowserPluginInterface

    {

    public: // Functions from base classes

        /**

        * Two-phased constructor.

        */

        static CSystemInfoPluginEcomMain* NewL( TAny* aInitParam );

        /**

        * Destructor

        */

        virtual ~CSystemInfoPluginEcomMain();

        /**

        * Passed from the browser to the plugin and delcares what

        * functions the browser makes available

        */

        NPNetscapeFuncs* Funcs() const { return iNpf; }

    private:

        // Default constructor

        CSystemInfoPluginEcomMain( NPNetscapeFuncs* aNpf );

        // By default Symbian 2nd phase constructor is private.

        void ConstructL( NPPluginFuncs* aPluginFuncs );

        // Netscape Function Pointer

        NPNetscapeFuncs* iNpf;

    };

/**

*  CSystemInfoPlugin class

*  Interfaces to Browser, used to pass information between browser and plugin

*  @lib npSystemInfoPlugin.lib

*  @since S60 v3.2

*/

NONSHARABLE_CLASS(CSystemInfoPlugin) : public CBase

    {

 public:

    static CSystemInfoPlugin* NewL();

    virtual ~CSystemInfoPlugin();

 public:

    void Deallocate ();

    bool HasMethod( NPIdentifier name );

    bool Invoke( NPIdentifier name,

                 NPVariant *args,

                 uint32_t argCount,

                 NPVariant *result );

    bool HasProperty( NPIdentifier name );

    bool GetProperty( NPIdentifier name, NPVariant *variant );

    bool SetPropertyL( NPIdentifier name, NPVariant *variant );

 public:

    void SetInstance( NPP instance ) { iInstanceHandle = instance; }

    bool InvokeCallback ( TDesC8& name, const NPVariant *args, uint32_t argCount );

 private:

    CSystemInfoPlugin();

    void ConstructL();

    void VariantToInt( NPVariant& v, TInt& i );

    void DesToNpvariant(TPtr8& string, NPVariant*& variant);

 private:

    NPP iInstanceHandle;

    NPIdentifier* iSystemInfoPluginIdentifiers;

    TUid iUid;

    MProfileEngine* iProfileEngine;

    // sysinfo feature class instances

    CPowerObserver* iPowerObserver;  // owned

    CNetworkObserver* iNetworkObserver;  // owned

    CSystemInfoMisc* iSystemInfoMisc;  // owned

    };

/**

********************************************************************************

    Plugin API methods. Source located in CSystemInfoApi.cpp

*********************************************************************************

*/

/**

 * Create a plugin.

 */

NPError SystemInfoNewp( NPMIMEType pluginType, NPP instance, uint16 mode,

                        CDesCArray* argn, CDesCArray* argv, NPSavedData* saved );

/**

 * Wrapper the errors

 */

void SystemInfoConstructL( NPP aInstance, CDesCArray* argn, CDesCArray* argv );

/**

 * Destroy a plugin.

 */

NPError SystemInfoDestroy( NPP instance, NPSavedData** save );

/**

 * Generic hook to retrieve values/attributes from the plugin.

 */

NPError SystemInfoGetvalue( NPP instance, NPPVariable variable, void *ret_value );

/**

********************************************************************************

    System Info Plugin API methods. Source located in CSystemInfoApi.cpp

*********************************************************************************

*/

typedef struct

    {

    NPObject object;

    CSystemInfoPlugin *plugin;

    } SystemInfoPluginObject;

/**

 * systemInfoPluginAllocate

 */

NPObject* systemInfoPluginAllocate( NPP /*npp*/, NPClass* /*aClass*/ );

/**

 * systemInfoPluginDeallocate

 */

void systemInfoPluginDeallocate( SystemInfoPluginObject* obj );

/**

 * systemInfoPluginInvalidate

 */

void systemInfoPluginInvalidate( NPObject* /*obj*/ );

/**

 * systemInfoPluginHasMethod

 */

bool systemInfoPluginHasMethod( SystemInfoPluginObject* obj,

                                NPIdentifier name );

/**

 * systemInfoPluginInvokeFunction

 */

bool systemInfoPluginInvokeFunction( SystemInfoPluginObject* obj,

                                     NPIdentifier name,

                                     NPVariant* args,

                                     uint32_t argCount,

                                     NPVariant* result );

/**

 * systemInfoPluginHasProperty

 */

bool systemInfoPluginHasProperty( SystemInfoPluginObject* obj,

                                  NPIdentifier name );

/**

 * systemInfoPluginGetProperty

 */

bool systemInfoPluginGetProperty ( SystemInfoPluginObject* obj,

                                   NPIdentifier name,

                                   NPVariant* variant);

/**

 * systemInfoPluginSetProperty

 */

bool systemInfoPluginSetProperty( SystemInfoPluginObject* obj,

                                  NPIdentifier name,

                                  NPVariant* variant);

/**

 * _systemInfoPluginClass

 */

static NPClass _systemInfoPluginClass =

    {

    0, // structVersion

    (NPAllocateFunctionPtr) systemInfoPluginAllocate,

    (NPDeallocateFunctionPtr) systemInfoPluginDeallocate,

    (NPInvalidateFunctionPtr) systemInfoPluginInvalidate,

    (NPHasMethodFunctionPtr) systemInfoPluginHasMethod,

    (NPInvokeFunctionPtr) systemInfoPluginInvokeFunction,

    (NPInvokeDefaultFunctionPtr) 0,

    (NPHasPropertyFunctionPtr) systemInfoPluginHasProperty,

    (NPGetPropertyFunctionPtr) systemInfoPluginGetProperty,

    (NPSetPropertyFunctionPtr) systemInfoPluginSetProperty,

    (NPRemovePropertyFunctionPtr) 0,

    (NPEnumerationFunctionPtr) 0

    };

/**

 * static instance of the function pointer table

 */

static NPClass* systemInfoPluginClass = &_systemInfoPluginClass;

#endif      // SYSTEMINFOPLUGIN_H

// End of File