npp_gate.cpp

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

//
// Implementation of plugin entry points (NPP_*)
// most are just empty stubs for this particular plugin 
//
#include "plugin.h"
#include "windows.h"

char*
NPP_GetMIMEDescription(void)
{
        static char mime_types[] =
                "x-world/x-vrml:wrl:FreeWRL VRML Browser;"
                "model/vrml:wrl:FreeWRL VRML Browser;"
                "model/x3d:x3d:FreeWRL X3D Browser;"
                "model/x3d+xml:x3d:FreeWRL X3D Browser;"
                "model/x3d+vrml:x3dv:FreeWRL X3D Browser;"
                "model/x3d+binary:x3db:FreeWRL X3D Browser"
                ;
        return mime_types;
}



NPError NPP_Initialize(void)
{
  return NPERR_NO_ERROR;
}

void NPP_Shutdown(void)
{
}

// here the plugin creates an instance of our CPlugin object which 
// will be associated with this newly created plugin instance and 
// will do all the neccessary job
NPError NPP_New(NPMIMEType pluginType,
                NPP instance,
                uint16_t mode,
                int16_t argc,
                char* argn[],
                char* argv[],
                NPSavedData* saved)
{   
  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;

  NPError rv = NPERR_NO_ERROR;

#ifdef _DEBUG
  ::MessageBoxA(NULL,"You may now attach a debugger.\n Press OK when you want to proceed.","np_freeWRL plugin process(1)",MB_OK);
#endif

  CPlugin * pPlugin = new CPlugin(instance);
  if(pPlugin == NULL)
    return NPERR_OUT_OF_MEMORY_ERROR;

  instance->pdata = (void *)pPlugin;

  int i = 0;
  
  for(i = 0; i < argc ; i++)
  {
          char* argni;
          char* argvi;
          argni = argn[i];
          argvi = argv[i];
          if(!_stricmp(argn[i],"target") || !_stricmp(argn[i],"src"))
          {
                  pPlugin->setSceneUrl(argv[i]);
          }

          if(!_stricmp(argn[i],"eai"))
          {
                  pPlugin->setEAIFlag();
          }
  }
  return rv;
}

// here is the place to clean up and destroy the CPlugin object
NPError NPP_Destroy (NPP instance, NPSavedData** save)
{
  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;

  NPError rv = NPERR_NO_ERROR;

  CPlugin * pPlugin = (CPlugin *)instance->pdata;
  if(pPlugin != NULL) {
    pPlugin->shut();
    delete pPlugin;
  }
  return rv;
}

// during this call we know when the plugin window is ready or
// is about to be destroyed so we can do some gui specific
// initialization and shutdown
NPError NPP_SetWindow (NPP instance, NPWindow* pNPWindow)
{    
  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;

  NPError rv = NPERR_NO_ERROR;

  if(pNPWindow == NULL)
    return NPERR_GENERIC_ERROR;

  CPlugin * pPlugin = (CPlugin *)instance->pdata;

  if(pPlugin == NULL) 
    return NPERR_GENERIC_ERROR;

  // window just created
  if(!pPlugin->isInitialized() && (pNPWindow->window != NULL)) { 
    if(!pPlugin->init(pNPWindow)) {
      delete pPlugin;
      pPlugin = NULL;
      return NPERR_MODULE_LOAD_FAILED_ERROR;
    }
  }

  // window goes away
  if((pNPWindow->window == NULL) && pPlugin->isInitialized())
    return NPERR_NO_ERROR;

  // window resized
  if(pPlugin->isInitialized() && (pNPWindow->window != NULL))
    return NPERR_NO_ERROR;

  // this should not happen, nothing to do
  if((pNPWindow->window == NULL) && !pPlugin->isInitialized())
    return NPERR_NO_ERROR;

  return rv;
}

// ==============================
// ! Scriptability related code !
// ==============================
//
// here the plugin is asked by Mozilla to tell if it is scriptable
// we should return a valid interface id and a pointer to 
// nsScriptablePeer interface which we should have implemented
NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
{
  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;

  NPError rv = NPERR_NO_ERROR;

  if(instance == NULL)
    return NPERR_GENERIC_ERROR;

  CPlugin * plugin = (CPlugin *)instance->pdata;
  if(plugin == NULL)
    return NPERR_GENERIC_ERROR;

  switch (variable) {
  case NPPVpluginNameString:
    *((char **)value) = "NPRuntimeTest";
    break;
  case NPPVpluginDescriptionString:
    *((char **)value) = "NPRuntime scriptability API test plugin";
    break;
  case NPPVpluginScriptableNPObject:
    *(NPObject **)value = plugin->GetScriptableObject();
    break;
  default:
    rv = NPERR_GENERIC_ERROR;
  }

  return rv;
}

NPError NPP_NewStream(NPP instance,
                      NPMIMEType type,
                      NPStream* stream, 
                      NPBool seekable,
                      uint16_t* stype)
{
//#ifdef _DEBUG
//  ::MessageBoxA(NULL,"You may now attach a debugger.\n Press OK when you want to proceed.","np_freeX3D plugin process(2)",MB_OK);
//#endif

  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;
  //Ian's suggestion based on linux (but on windows it comes in NPP_New() first, so handle it there)
  //CPlugin * pPlugin = (CPlugin *)(instance->pdata);
  //pPlugin->setSceneUrl(_strdup(stream->url));
  NPError rv = NPERR_NO_ERROR;
  return rv;
}

int32_t NPP_WriteReady (NPP instance, NPStream *stream)
{
  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;

  int32_t rv = 0x0fffffff;
  return rv;
}

int32_t NPP_Write (NPP instance, NPStream *stream, int32_t offset, int32_t len, void *buffer)
{   
  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;

  int32_t rv = len;
  return rv;
}

NPError NPP_DestroyStream (NPP instance, NPStream *stream, NPError reason)
{
  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;

  NPError rv = NPERR_NO_ERROR;
  return rv;
}

void NPP_StreamAsFile (NPP instance, NPStream* stream, const char* fname)
{
  if(instance == NULL)
    return;
}

void NPP_Print (NPP instance, NPPrint* printInfo)
{
  if(instance == NULL)
    return;
}

void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
  if(instance == NULL)
    return;
}

NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
  if(instance == NULL)
    return NPERR_INVALID_INSTANCE_ERROR;

  NPError rv = NPERR_NO_ERROR;
  return rv;
}

int16_t NPP_HandleEvent(NPP instance, void* event)
{
  if(instance == NULL)
    return 0;

  int16_t rv = 0;
  CPlugin * pPlugin = (CPlugin *)instance->pdata;
  if (pPlugin)
    rv = pPlugin->handleEvent(event);

  return rv;
}

NPObject *NPP_GetScriptableInstance(NPP instance)
{
  if(!instance)
    return 0;

  NPObject *npobj = 0;
  CPlugin * pPlugin = (CPlugin *)instance->pdata;
  if (!pPlugin)
    npobj = pPlugin->GetScriptableObject();

  return npobj;
}