/*

* Copyright (c) 2006 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:  Browser's Netscape API

*

*/

#include "config.h"

#include "../../bidi.h"

#include "HttpDefs.h"

#include "NpnImplementation.h"

#include "PluginWin.h"

#include "PluginSkin.h"

#include <cuseragent.h>

#include <Element.h>

#include <HTMLPlugInElement.h>

#include <HTMLNames.h>

using namespace WebCore::HTMLNames;

// -----------------------------------------------------------------------------

// NpnUrlLoader

//

// Requests the associated pluginInst to load the given url.

// -----------------------------------------------------------------------------

//

NPError NpnUrlLoader(NPP aInstance, const TDesC& aUrl, TUint8 aMethod,

                     const TDesC* aWindowType, const TDesC& aBuf,

                     TBool aFromFile, TBool aNotify, void* aNotifyData)

{

    PluginWin* pluginWin = (PluginWin* )aInstance->ndata;

    if ( !pluginWin ) {

        return NPERR_INVALID_INSTANCE_ERROR;

    }

    TInt status = KErrNone;

    // Make the load request

        // convert to 8 bit

        HBufC8* url = HBufC8::NewLC(aUrl.Length());

        url->Des().Copy(aUrl);    

        if (aMethod==EUrlGet) {

            TRAP_IGNORE(status = pluginWin->pluginSkin()->getRequestL(*url, aNotify, aNotifyData, aWindowType));

        }

        else if (aMethod==EUrlPost) {

            TRAP_IGNORE(status = pluginWin->pluginSkin()->postRequestL(*url, aBuf, aFromFile, aNotify, aNotifyData, aWindowType));

        }

        CleanupStack::PopAndDestroy(url);

    // Convert to NPError

    switch (status) {

        case KErrNone:

            return NPERR_NO_ERROR;

        case KErrNoMemory:

            return NPERR_OUT_OF_MEMORY_ERROR;

        default:

            return NPERR_GENERIC_ERROR;

    }

}

// -----------------------------------------------------------------------------

// NpnGetUrl

//

// Requests the associated pluginInst to load the given url.

// -----------------------------------------------------------------------------

//

NPError NpnGetUrl(NPP aInstance, const TDesC& aUrl, const TDesC* aWindowType)

{

    TPtrC nullPtr(NULL, 0);

    return NpnUrlLoader(aInstance, aUrl, EUrlGet, aWindowType, nullPtr,

                        EFalse, EFalse, NULL);

}

// -----------------------------------------------------------------------------

// NpnPostUrl

//

// Requests the associated pluginInst to POST to the given url.

// -----------------------------------------------------------------------------

//

NPError NpnPostUrl(NPP aInstance, const TDesC& aUrl, const TDesC* aWindowType,

                    const TDesC& aBuf, NPBool aFile)

{

    return NpnUrlLoader(aInstance, aUrl, EUrlPost, aWindowType, aBuf,

                        aFile, EFalse, NULL);

}

// -----------------------------------------------------------------------------

// NpnRequestRead

//

// Unsupported.

// -----------------------------------------------------------------------------

//

NPError NpnRequestRead(NPStream* /*aStream*/, NPByteRange* /*aRangeList*/)

{

    // This function is not supported

    return NPERR_GENERIC_ERROR;

}

// -----------------------------------------------------------------------------

// NpnNewStream

//

// Unsupported.

// -----------------------------------------------------------------------------

//

NPError NpnNewStream(NPP /*aInstance*/, NPMIMEType /*aType*/,

                      const TDesC* /*aWindowType*/, NPStream** /*aStream*/)

{

    // This function is not supported.

    // It is specifically intended to create a new Browser window

    return NPERR_GENERIC_ERROR;

}

// -----------------------------------------------------------------------------

// NpnWrite

//

// Unsupported.

// -----------------------------------------------------------------------------

//

TInt32 NpnWrite(NPP /*aInstance*/, NPStream* /*aStream*/,

                TInt32 /*aLen*/, void* /*aBuffer*/)

{

    // This function is not supported.

    return NPERR_GENERIC_ERROR;

}

// -----------------------------------------------------------------------------

// NpnDestroyStream

//

// Unsupported.

// -----------------------------------------------------------------------------

//

NPError NpnDestroyStream(NPP /*aInstance*/, NPStream* /*aStream*/,

                        NPReason /*aReason*/)

{

    // This function is not supported.

    return NPERR_GENERIC_ERROR;

}

// -----------------------------------------------------------------------------

// NpnStatus

//

// Allows a plugin to report its current status to the associated PluginInst.

// -----------------------------------------------------------------------------

//

void NpnStatus(NPP aInstance, const TDesC& aMessage)

{

    // This function is not supported.    

}

// -----------------------------------------------------------------------------

// NpnUAgent

//

// Returns the user agent of the Series 60 Browser.

// -----------------------------------------------------------------------------

//

const TDesC* NpnUAgent(NPP /*aInstance*/)

{

    // Get User Agent String    

    CUserAgent* usrAgnt = CUserAgent::NewL();

    CleanupStack::PushL( usrAgnt );

    HBufC8* userAgent8 = usrAgnt->UserAgentL();

    CleanupStack::PushL( userAgent8 );

    HBufC* userAgent = HBufC::NewL(userAgent8->Length());

    userAgent->Des().Copy(userAgent8->Des());

    CleanupStack::PopAndDestroy(2);

    return userAgent;    

}

// -----------------------------------------------------------------------------

// NpnMemAlloc

//

// Allocates a chunk of memory on the behalf of the plugin.

// -----------------------------------------------------------------------------

//

 void* NpnMemAlloc(uint32 aSize)

{

    if (aSize) {

        return User::Alloc(aSize);

    }

    return NULL;

}

// -----------------------------------------------------------------------------

// NpnMemFree

//

// Deallocates a chunk of memory on the behalf of the plugin.

// -----------------------------------------------------------------------------

//

 void NpnMemFree(void* aPtr)

{

    User::Free(aPtr);

}

// -----------------------------------------------------------------------------

// NpnMemFlush

//

// Unsupported.

// -----------------------------------------------------------------------------

//

uint32 NpnMemFlush(uint32 /*aSize*/)

{

    // This function is not supported

    return NPERR_GENERIC_ERROR;

}

// -----------------------------------------------------------------------------

// NpnReloadPlugins

//

// Causes the PluginHandler to scan for new plugins and reloads the current

// page if aReloadPages is true.

// -----------------------------------------------------------------------------

//

 void NpnReloadPlugins(NPBool /*aReloadPages*/)

{

    //This is currently not supported since CPluginHandler is non static

}

// -----------------------------------------------------------------------------

// NpnGetJavaEnv

//

// Unsupported.

// -----------------------------------------------------------------------------

//

JRIEnv* NpnGetJavaEnv()

{

    // This function is not supported

    return NULL;

}

// -----------------------------------------------------------------------------

// NpnGetJavaPeer

//

// Unsupported.

// -----------------------------------------------------------------------------

//

jref NpnGetJavaPeer(NPP /*aInstance*/)

{

    // This function is not supported

    return NULL;

}

// -----------------------------------------------------------------------------

// NpnGetUrlNotify

//

// Requests the associated PluginInst to load the given url.  The plugin is

// notified when the request completes.

// -----------------------------------------------------------------------------

//

NPError NpnGetUrlNotify(NPP aInstance, const TDesC& aUrl,

                        const TDesC* aWindowType, void* aNotifyData)

{

    TPtrC nullPtr(NULL, 0);

    return NpnUrlLoader(aInstance, aUrl, EUrlGet, aWindowType, nullPtr,

                        EFalse, ETrue, aNotifyData);

}

// -----------------------------------------------------------------------------

// NpnPostUrlNotify

//

// Requests the associated PluginInst to POST to the given url.  The plugin is

// notified when the request completes.

// -----------------------------------------------------------------------------

//

 NPError NpnPostUrlNotify(NPP aInstance, const TDesC& aUrl,

                          const TDesC* aWindowType, const TDesC& aBuf,

                          NPBool aFile, void* aNotifyData)

{

    return NpnUrlLoader(aInstance, aUrl, EUrlPost, aWindowType, aBuf,

                        aFile, ETrue, aNotifyData);

}

// -----------------------------------------------------------------------------

// NpnGetValue

//

// Query the associated PluginInst for information.

// -----------------------------------------------------------------------------

//

NPError NpnGetValue(NPP aInstance, NPNVariable aVariable, void *aRetValue)

{

    TInt err = NPERR_NO_ERROR;

    switch (aVariable) {

        case NPNVjavascriptEnabledBool: // Tells whether JavaScript is enabled; true=JavaScript enabled, false=not enabled

        // NEEDS IMPLEMENTATION

        //  *((TBool*) aRetValue) = NW_Settings_GetEcmaScriptEnabled();

        break;

        case NPNVnetscapeWindow: {         

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            if (pluginWin) {

                NPWindow* npWindow = (NPWindow*)aRetValue;

                TRect rect = pluginWin->Rect();

                npWindow->x = rect.iTl.iX;

                npWindow->y = rect.iTl.iY;

                npWindow->width = rect.Width();

                npWindow->height = rect.Height();

                npWindow->type = pluginWin->Windowed() ? NPWindowTypeWindow : NPWindowTypeDrawable;

                npWindow->window = pluginWin->Windowed() ? NULL : (MPluginAdapter*) pluginWin;

                NPRect clipRect = {0,0,0,0};

                npWindow->clipRect = clipRect;

            }

        }

        break;

        case NPNVPluginElementNPObject: {

		PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

        WebCore::Element* pluginElement;

        if (pluginWin) {

        	pluginElement = pluginWin->pluginSkin()->getElement();

        }

        NPObject* pluginScriptObject = 0;

        if (pluginElement->hasTagName(appletTag) || pluginElement->hasTagName(embedTag) || pluginElement->hasTagName(objectTag))

			pluginScriptObject = static_cast<WebCore::HTMLPlugInElement*>(pluginElement)->getNPObject();

        if (pluginScriptObject)

        	_NPN_RetainObject(pluginScriptObject);

        void** v = (void**)aRetValue;

        *v = pluginScriptObject;

        }

        break;

        case NPNVWindowNPObject: {

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            NPObject* windowObject = pluginWin->windowScriptNPObject();

            if (windowObject) {

                void **v = (void **)aRetValue;

                *v = windowObject;

            }

            else {

                err = NPERR_GENERIC_ERROR;

            }

            break;

        }

        case NPNVDOMWindow:

        case NPNVxDisplay:          // Unix only: Returns the current Display

        case NPNVxtAppContext:      // Unix only: Returns the application's XtAppContext

        case NPNVasdEnabledBool:    // Tells whether SmartUpdate (former name: ASD) is enabled;

                                    // true=SmartUpdate enabled, false=not enabled

        case NPNVisOfflineBool:     // Tells whether offline mode is enabled;

                                    // true=offline mode enabled, false=not enabled

        case NPNNetworkAccess:

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            TInt apId = -1;

            if (pluginWin) {

                apId = pluginWin->pluginSkin()->handleNetworkAccess();

            }

            *((TInt*) aRetValue) = apId;

            break;

       case NPNVGenericParameter: {   

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            if (pluginWin) {

                void **v = (void **)aRetValue;

                *v = pluginWin->pluginSkin()->genericElementArray();

            }

            else {

                err = NPERR_GENERIC_ERROR;

            }

        }

        break;  // for code consistency

       case NPNVSupportsWindowless:{

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

               if (pluginWin) {

                   *((TBool*) aRetValue) = ETrue;

               }

               else {

                   err = NPERR_GENERIC_ERROR;

               }

       }

       break;		   

        default:

            {

            *((TBool*) aRetValue) = EFalse;

            err = NPERR_INVALID_PARAM;

            }

            break;

    }   // end of switch

    return err;

}

// -----------------------------------------------------------------------------

// NpnSetValue

//

// Set a value on the associated PluginInst

// -----------------------------------------------------------------------------

//

NPError NpnSetValue(NPP aInstance, NPPVariable aVariable, void* aSetValue)

{

    switch (aVariable) {

        // Set a new plugin window size. This will resize the plugin rect,

        // which requires a re-layout of the dom (render) tree.

        case NPPVpluginWindowSize: {

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            if (pluginWin) {

                NPWindow* npWindow = (NPWindow*)aSetValue;

                if (npWindow) {

                    TRect newRect(npWindow->x, npWindow->y, npWindow->width, npWindow->height);

                    pluginWin->resizePluginRect(newRect);

                }

            }

        }

        break;

        case NPPVpluginWindowBool:

          {

          PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

          if (pluginWin) {

              NPBool* isWindowed = (NPBool*)aSetValue;

              if (isWindowed)

                  pluginWin->setWindowedPlugin(*isWindowed);

              }

          }

        break;          

        case NPPVpluginTransparentBool:

            {

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            if (pluginWin) {

                NPBool* isTransparent = (NPBool*)aSetValue;

                if (isTransparent)

                    pluginWin->setTransparentPlugin(*isTransparent);

            }          

            }

        break;

        case NPPVPluginFocusPosition:

            {

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            if (pluginWin) {

                TPoint* focusPoint = (TPoint*) aSetValue;

                if (focusPoint) {

                    pluginWin->moveWindow(*focusPoint);

                }

            }

        }

        break;

        case NPPVPluginPointerEvent:

            {

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            if (pluginWin) {

                TPointerEvent* event = (TPointerEvent*)aSetValue;

                if (event) {

                    pluginWin->HandlePointerEventFromPluginL(*event);

                }

            }

            break;

            }

        case NPPVPluginDeactivate:

            {

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            if (pluginWin) {

            TPoint* cursorPos; 

            //EPMR-7XPHXV aSetValue is set as "(void*) 1" from

            //"CBrowserPluginControl::GoNormalScreenL" from the flash plugin

            //to avoid the Invalid pointer access, we are checking for 

            //aSetValue and setting point as (0,0) and also for NULL Value 

            if((aSetValue == (void*)1) || (!aSetValue)) {

                TPoint position(0,0);

                cursorPos = static_cast<TPoint*>(&position);

                }

                else {

                cursorPos = static_cast<TPoint*>(aSetValue);

                }

            pluginWin->pluginDeactivate(*cursorPos);

            }

        }

        break;

        case NPPVpluginFullScreenBool:

            {

            NPBool* isFullScreen = (NPBool*)aSetValue;

            PluginWin* pluginWin = (PluginWin*)aInstance->ndata;

            pluginWin->ToggleScreenMode(*isFullScreen);

            break;

            }