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#include "mcp.h"
#include "PluginObject.h"

NPNetscapeFuncs *browser;
NPNetscapeFuncs NPNFuncs;

NPError		NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved);
NPError		NPP_Destroy(NPP instance, NPSavedData** save);
NPError		NPP_SetWindow(NPP instance, NPWindow* window);
NPError		NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype);
NPError		NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason);
int32		NPP_WriteReady(NPP instance, NPStream* stream);
int32		NPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer);
void		NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname);
void		NPP_Print(NPP instance, NPPrint* platformPrint);
int16		NPP_HandleEvent(NPP instance, void* event);
void		NPP_URLNotify(NPP instance, const char* URL, NPReason reason, void* notifyData);
NPError		NPP_GetValue(NPP instance, NPPVariable variable, void *value);
NPError		NPP_SetValue(NPP instance, NPNVariable variable, void *value);

char *NPP_GetMIMEDescription(void) {
	return "application/x-mcp::MCP Plugin";
}

NPError OSCALL NP_Initialize(NPNetscapeFuncs* pFuncs)
{
  if(pFuncs == NULL)
    return NPERR_INVALID_FUNCTABLE_ERROR;

  if(HIBYTE(pFuncs->version) > NP_VERSION_MAJOR)
    return NPERR_INCOMPATIBLE_VERSION_ERROR;

  if(pFuncs->size < sizeof(NPNetscapeFuncs))
    return NPERR_INVALID_FUNCTABLE_ERROR;

  NPNFuncs.size                    = pFuncs->size;
  NPNFuncs.version                 = pFuncs->version;
  NPNFuncs.geturlnotify            = pFuncs->geturlnotify;
  NPNFuncs.geturl                  = pFuncs->geturl;
  NPNFuncs.posturlnotify           = pFuncs->posturlnotify;
  NPNFuncs.posturl                 = pFuncs->posturl;
  NPNFuncs.requestread             = pFuncs->requestread;
  NPNFuncs.newstream               = pFuncs->newstream;
  NPNFuncs.write                   = pFuncs->write;
  NPNFuncs.destroystream           = pFuncs->destroystream;
  NPNFuncs.status                  = pFuncs->status;
  NPNFuncs.uagent                  = pFuncs->uagent;
  NPNFuncs.memalloc                = pFuncs->memalloc;
  NPNFuncs.memfree                 = pFuncs->memfree;
  NPNFuncs.memflush                = pFuncs->memflush;
  NPNFuncs.reloadplugins           = pFuncs->reloadplugins;
  NPNFuncs.getJavaEnv              = pFuncs->getJavaEnv;
  NPNFuncs.getJavaPeer             = pFuncs->getJavaPeer;
  NPNFuncs.getvalue                = pFuncs->getvalue;
  NPNFuncs.setvalue                = pFuncs->setvalue;
  NPNFuncs.invalidaterect          = pFuncs->invalidaterect;
  NPNFuncs.invalidateregion        = pFuncs->invalidateregion;
  NPNFuncs.forceredraw             = pFuncs->forceredraw;
  NPNFuncs.getstringidentifier     = pFuncs->getstringidentifier;
  NPNFuncs.getstringidentifiers    = pFuncs->getstringidentifiers;
  NPNFuncs.getintidentifier        = pFuncs->getintidentifier;
  NPNFuncs.identifierisstring      = pFuncs->identifierisstring;
  NPNFuncs.utf8fromidentifier      = pFuncs->utf8fromidentifier;
  NPNFuncs.intfromidentifier       = pFuncs->intfromidentifier;
  NPNFuncs.createobject            = pFuncs->createobject;
  NPNFuncs.retainobject            = pFuncs->retainobject;
  NPNFuncs.releaseobject           = pFuncs->releaseobject;
  NPNFuncs.invoke                  = pFuncs->invoke;
  NPNFuncs.invokeDefault           = pFuncs->invokeDefault;
  NPNFuncs.evaluate                = pFuncs->evaluate;
  NPNFuncs.getproperty             = pFuncs->getproperty;
  NPNFuncs.setproperty             = pFuncs->setproperty;
  NPNFuncs.removeproperty          = pFuncs->removeproperty;
  NPNFuncs.hasproperty             = pFuncs->hasproperty;
  NPNFuncs.hasmethod               = pFuncs->hasmethod;
  NPNFuncs.releasevariantvalue     = pFuncs->releasevariantvalue;
  NPNFuncs.setexception            = pFuncs->setexception;

  browser = &NPNFuncs;

  return NPERR_NO_ERROR;
}

NPError OSCALL NP_GetEntryPoints(NPPluginFuncs* pluginFuncs)
{
  if(pluginFuncs == NULL)
    return NPERR_INVALID_FUNCTABLE_ERROR;

  if(pluginFuncs->size < sizeof(NPPluginFuncs))
    return NPERR_INVALID_FUNCTABLE_ERROR;

	pluginFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
    pluginFuncs->size = sizeof(NPPluginFuncs);
    pluginFuncs->newp = NPP_New;
    pluginFuncs->destroy = NPP_Destroy;
    pluginFuncs->setwindow = NPP_SetWindow;
    pluginFuncs->newstream = NPP_NewStream;
    pluginFuncs->destroystream = NPP_DestroyStream;
    pluginFuncs->asfile = NPP_StreamAsFile;
    pluginFuncs->writeready = NPP_WriteReady;
    pluginFuncs->write = NPP_Write;
    pluginFuncs->print = NPP_Print;
    pluginFuncs->event = NPP_HandleEvent;
    pluginFuncs->urlnotify = NPP_URLNotify;
    pluginFuncs->getvalue = NPP_GetValue;
    pluginFuncs->setvalue = NPP_SetValue;
	pluginFuncs->javaClass     = NULL;

	return NPERR_NO_ERROR;
}

NPError OSCALL NP_Shutdown(void)
{
	return NPERR_NO_ERROR;
}

NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved)
{
    if (browser->version >= 14)
        instance->pdata = browser->createobject (instance, getPluginClass());

    return NPERR_NO_ERROR;
}

NPError NPP_Destroy(NPP instance, NPSavedData** save)
{
    PluginObject *obj = (PluginObject *)instance->pdata;

    return NPERR_NO_ERROR;
}

NPError NPP_SetWindow(NPP instance, NPWindow* window)
{
    PluginObject *obj = (PluginObject *)instance->pdata;
    
    // Do nothing if browser didn't support NPN_CreateObject which would have created the PluginObject.
    if (obj != NULL) {
        obj->window = window;
    }
    return NPERR_NO_ERROR;
}
 

NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype)
{
    return NPERR_NO_ERROR;
}

NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason)
{
    return NPERR_NO_ERROR;
}

int32 NPP_WriteReady(NPP instance, NPStream* stream)
{
    return 0;
}

int32 NPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer)
{
    return 0;
}

void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
{

}

void NPP_Print(NPP instance, NPPrint* platformPrint)
{

}

int16 NPP_HandleEvent(NPP instance, void* event)
{
    return 0;
}

void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{

}

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

  if (variable == NPPVpluginScriptableNPObject) {
        void **v = (void **)value;
        PluginObject *obj = (PluginObject *)instance->pdata;
		// Increase reference count
		obj->referenceCount++;
        *v = obj;
		return NPERR_NO_ERROR;
    }
    return NPERR_GENERIC_ERROR;
}

NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
    return NPERR_GENERIC_ERROR;
}