// 

//   Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.

// 

// This program is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; either version 3 of the License, or

// (at your option) any later version.

// 

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// 

// You should have received a copy of the GNU General Public License

// along with this program; if not, write to the Free Software

// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

//

//////////////////////////////////////////////////////////////

//

// Main plugin entry point implementation -- exports from the 

// plugin library

//

#include "npplat.h"

#include "pluginbase.h"

NPNetscapeFuncs NPNFuncs;

#ifdef XP_MAC

void OSCALL NP_Shutdown()

{

  NS_PluginShutdown();

}

#else

NPError OSCALL NP_Shutdown()

{

  NS_PluginShutdown();

  return NPERR_NO_ERROR;

}

#endif

static NPError fillPluginFunctionTable(NPPluginFuncs* aNPPFuncs)

{

  if(aNPPFuncs == NULL)

    return NPERR_INVALID_FUNCTABLE_ERROR;

  // Set up the plugin function table that Netscape will use to

  // call us. Netscape needs to know about our version and size   

  // and have a UniversalProcPointer for every function we implement.

  aNPPFuncs->version       = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;

#ifdef XP_MAC

  aNPPFuncs->newp          = NewNPP_NewProc(Private_New);

  aNPPFuncs->destroy       = NewNPP_DestroyProc(Private_Destroy);

  aNPPFuncs->setwindow     = NewNPP_SetWindowProc(Private_SetWindow);

  aNPPFuncs->newstream     = NewNPP_NewStreamProc(Private_NewStream);

  aNPPFuncs->destroystream = NewNPP_DestroyStreamProc(Private_DestroyStream);

  aNPPFuncs->asfile        = NewNPP_StreamAsFileProc(Private_StreamAsFile);

  aNPPFuncs->writeready    = NewNPP_WriteReadyProc(Private_WriteReady);

  aNPPFuncs->write         = NewNPP_WriteProc(Private_Write);

  aNPPFuncs->print         = NewNPP_PrintProc(Private_Print);

  aNPPFuncs->event         = NewNPP_HandleEventProc(Private_HandleEvent);    

  aNPPFuncs->urlnotify     = NewNPP_URLNotifyProc(Private_URLNotify);            

  aNPPFuncs->getvalue      = NewNPP_GetValueProc(Private_GetValue);

  aNPPFuncs->setvalue      = NewNPP_SetValueProc(Private_SetValue);

#else

  aNPPFuncs->newp          = NPP_New;

  aNPPFuncs->destroy       = NPP_Destroy;

  aNPPFuncs->setwindow     = NPP_SetWindow;

  aNPPFuncs->newstream     = NPP_NewStream;

  aNPPFuncs->destroystream = NPP_DestroyStream;

  aNPPFuncs->asfile        = NPP_StreamAsFile;

  aNPPFuncs->writeready    = NPP_WriteReady;

  aNPPFuncs->write         = NPP_Write;

  aNPPFuncs->print         = NPP_Print;

  aNPPFuncs->event         = NPP_HandleEvent;

  aNPPFuncs->urlnotify     = NPP_URLNotify;

  aNPPFuncs->getvalue      = NPP_GetValue;

  aNPPFuncs->setvalue      = NPP_SetValue;

#endif

#ifdef OJI

  aNPPFuncs->javaClass     = NULL;

#endif

  return NPERR_NO_ERROR;

}

static NPError fillNetscapeFunctionTable(NPNetscapeFuncs* aNPNFuncs)

{

  int i = 0, n;

  if(aNPNFuncs == NULL)

    return NPERR_INVALID_FUNCTABLE_ERROR;

  if(HIBYTE(aNPNFuncs->version) > NP_VERSION_MAJOR)

    return NPERR_INCOMPATIBLE_VERSION_ERROR;

#if 0

  if(aNPNFuncs->size < sizeof(NPNetscapeFuncs))

    return NPERR_INVALID_FUNCTABLE_ERROR;

#endif

  // Number of function pointers in aNPNFuncs.

  n = (aNPNFuncs->size - (2 * sizeof(uint16))) / sizeof(void *);

  NPNFuncs.size             = aNPNFuncs->size;

  NPNFuncs.version          = aNPNFuncs->version;

  /*

   * BEWARE!  The following is order-sensitive and needs to be in the

   * same order as the structure definition from npupp.h.

   */

  if (++i <= n) NPNFuncs.geturl = aNPNFuncs->geturl;

  if (++i <= n) NPNFuncs.posturl = aNPNFuncs->posturl;

  if (++i <= n) NPNFuncs.requestread = aNPNFuncs->requestread;

  if (++i <= n) NPNFuncs.newstream = aNPNFuncs->newstream;

  if (++i <= n) NPNFuncs.write = aNPNFuncs->write;

  if (++i <= n) NPNFuncs.destroystream = aNPNFuncs->destroystream;

  if (++i <= n) NPNFuncs.status = aNPNFuncs->status;

  if (++i <= n) NPNFuncs.uagent = aNPNFuncs->uagent;

  if (++i <= n) NPNFuncs.memalloc = aNPNFuncs->memalloc;

  if (++i <= n) NPNFuncs.memfree = aNPNFuncs->memfree;

  if (++i <= n) NPNFuncs.memflush = aNPNFuncs->memflush;

  if (++i <= n) NPNFuncs.reloadplugins = aNPNFuncs->reloadplugins;

  if (++i <= n) NPNFuncs.getJavaEnv = aNPNFuncs->getJavaEnv;

  if (++i <= n) NPNFuncs.getJavaPeer = aNPNFuncs->getJavaPeer;

  if (++i <= n) NPNFuncs.geturlnotify = aNPNFuncs->geturlnotify;

  if (++i <= n) NPNFuncs.posturlnotify = aNPNFuncs->posturlnotify;

  if (++i <= n) NPNFuncs.getvalue = aNPNFuncs->getvalue;

  if (++i <= n) NPNFuncs.setvalue = aNPNFuncs->setvalue;

  if (++i <= n) NPNFuncs.invalidaterect = aNPNFuncs->invalidaterect;

  if (++i <= n) NPNFuncs.invalidateregion = aNPNFuncs->invalidateregion;

  if (++i <= n) NPNFuncs.forceredraw = aNPNFuncs->forceredraw;

  if (++i <= n) NPNFuncs.getstringidentifier = aNPNFuncs->getstringidentifier;

  if (++i <= n) NPNFuncs.getstringidentifiers = aNPNFuncs->getstringidentifiers;

  if (++i <= n) NPNFuncs.getintidentifier = aNPNFuncs->getintidentifier;

  if (++i <= n) NPNFuncs.identifierisstring = aNPNFuncs->identifierisstring;

  if (++i <= n) NPNFuncs.utf8fromidentifier = aNPNFuncs->utf8fromidentifier;

  if (++i <= n) NPNFuncs.intfromidentifier = aNPNFuncs->intfromidentifier;

  if (++i <= n) NPNFuncs.createobject = aNPNFuncs->createobject;

  if (++i <= n) NPNFuncs.retainobject = aNPNFuncs->retainobject;

  if (++i <= n) NPNFuncs.releaseobject = aNPNFuncs->releaseobject;

  if (++i <= n) NPNFuncs.invoke = aNPNFuncs->invoke;

  if (++i <= n) NPNFuncs.invokeDefault = aNPNFuncs->invokeDefault;

  if (++i <= n) NPNFuncs.evaluate = aNPNFuncs->evaluate;

  if (++i <= n) NPNFuncs.getproperty = aNPNFuncs->getproperty;

  if (++i <= n) NPNFuncs.setproperty = aNPNFuncs->setproperty;

  if (++i <= n) NPNFuncs.removeproperty = aNPNFuncs->removeproperty;

  if (++i <= n) NPNFuncs.hasproperty = aNPNFuncs->hasproperty;

  if (++i <= n) NPNFuncs.hasmethod = aNPNFuncs->hasmethod;

  if (++i <= n) NPNFuncs.releasevariantvalue = aNPNFuncs->releasevariantvalue;

  if (++i <= n) NPNFuncs.setexception = aNPNFuncs->setexception;

  if (++i <= n) NPNFuncs.pushpopupsenabledstate = aNPNFuncs->pushpopupsenabledstate;

  if (++i <= n) NPNFuncs.poppopupsenabledstate = aNPNFuncs->poppopupsenabledstate;

  if (++i <= n) NPNFuncs.enumerate = aNPNFuncs->enumerate;

  if (++i <= n) NPNFuncs.pluginthreadasynccall = aNPNFuncs->pluginthreadasynccall;

  if (++i <= n) NPNFuncs.construct = aNPNFuncs->construct;

  return NPERR_NO_ERROR;

}

//

// Some exports are different on different platforms

//

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

/*                                                */

/*                   Windows                      */

/*                                                */

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

#ifdef XP_WIN

NPError OSCALL NP_Initialize(NPNetscapeFuncs* aNPNFuncs)

{

  /*

   * N.B.  On Firefox 2.0.0.12/WinXP, aNPNFuncs->size is 172 while

   * sizeof(NPNetscapeFuncs) is 184.  However, npgnash.dll continues to

   * work fine even though NPNFuncs isn't populated (!), and as a matter

   * of fact, Firefox seems to ignore the NPERR_INVALID_FUNCTABLE_ERROR

   * return from NP_Initialize and continues to load and execute

   * npgnash.dll, anyway.  Therefore, we should continue and execute

   * NS_PluginInitialize anyway, too.

   */

  NPError rv = fillNetscapeFunctionTable(aNPNFuncs);

#if 0

  if(rv != NPERR_NO_ERROR)

    return rv;

#endif

  NPError rv2 = NS_PluginInitialize();

  return rv2 != NPERR_NO_ERROR ? rv2 : rv;

}

NPError OSCALL NP_GetEntryPoints(NPPluginFuncs* aNPPFuncs)

{

  return fillPluginFunctionTable(aNPPFuncs);

}

#endif //XP_WIN

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

/*                                                */

/*                    Unix                        */

/*                                                */

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

#ifdef XP_UNIX

#ifdef XP_MAC

NPError NP_Initialize(NPNetscapeFuncs* aNPNFuncs)

#else

NPError NP_Initialize(NPNetscapeFuncs* aNPNFuncs, NPPluginFuncs* aNPPFuncs)

#endif

{

  NPError rv = fillNetscapeFunctionTable(aNPNFuncs);

  if(rv != NPERR_NO_ERROR)

    return rv;

#ifndef XP_MAC

  rv = fillPluginFunctionTable(aNPPFuncs);

  if(rv != NPERR_NO_ERROR)

    return rv;

#endif

  return NS_PluginInitialize();

}

char * NP_GetMIMEDescription(void)

{

  return NPP_GetMIMEDescription();

}

NPError NP_GetValue(void* /*future*/, NPPVariable aVariable, void *aValue)

{

  return NS_PluginGetValue(aVariable, aValue);

}

#endif //XP_UNIX

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

/*                                                */

/*                     Mac                        */

/*                                                */

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

#ifdef XP_MAC

NPError OSCALL NP_GetEntryPoints(NPPluginFuncs* aNPPFuncs)

{

  return fillPluginFunctionTable(aNPPFuncs);

}

NPError Private_Initialize(void)

{

  NPError rv = NS_PluginInitialize();

  return rv;

}

void Private_Shutdown(void)

{

  NS_PluginShutdown();

//  __destroy_global_chain();

}

#endif //XP_MAC