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npn_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 Netscape entry points (NPN_*)
//
#include <npapi.h>
//#include "npupp.h"
#include <npfunctions.h>

#ifndef HIBYTE
#define HIBYTE(x) ((((uint32_t)(x)) & 0xff00) >> 8)
#endif

#ifndef LOBYTE
#define LOBYTE(W) ((W) & 0xFF)
#endif

extern NPNetscapeFuncs NPNFuncs;

void NPN_Version(int *plugin_major, int *plugin_minor, int *netscape_major, int *netscape_minor)
{
    *plugin_major = NP_VERSION_MAJOR;
    *plugin_minor = NP_VERSION_MINOR;
    *netscape_major = HIBYTE(NPNFuncs.version);
    *netscape_minor = LOBYTE(NPNFuncs.version);
}

NPError NPN_GetURLNotify(NPP instance, const char *url, const char *target, void *notifyData)
{
    int navMinorVers = NPNFuncs.version & 0xFF;
    NPError rv = NPERR_NO_ERROR;

    if (navMinorVers >= NPVERS_HAS_NOTIFICATION)
        rv = NPNFuncs.geturlnotify(instance, url, target, notifyData);
    else
        rv = NPERR_INCOMPATIBLE_VERSION_ERROR;
    return rv;
}

NPError NPN_GetURL(NPP instance, const char *url, const char *target)
{
    NPError rv = NPNFuncs.geturl(instance, url, target);
    return rv;
}

NPError NPN_PostURLNotify(NPP instance, const char *url, const char *window, uint32_t len,
                          const char *buf, NPBool file, void *notifyData)
{
    int navMinorVers = NPNFuncs.version & 0xFF;
    NPError rv = NPERR_NO_ERROR;

    if (navMinorVers >= NPVERS_HAS_NOTIFICATION)
        rv = NPNFuncs.posturlnotify(instance, url, window, len, buf, file, notifyData);
    else
        rv = NPERR_INCOMPATIBLE_VERSION_ERROR;

    return rv;
}

NPError NPN_PostURL(NPP instance, const char *url, const char *window, uint32_t len, const char *buf,
                    NPBool file)
{
    NPError rv = NPNFuncs.posturl(instance, url, window, len, buf, file);
    return rv;
}

NPError NPN_RequestRead(NPStream * stream, NPByteRange * rangeList)
{
    NPError rv = NPNFuncs.requestread(stream, rangeList);
    return rv;
}

NPError NPN_NewStream(NPP instance, NPMIMEType type, const char *target, NPStream ** stream)
{
    int navMinorVersion = NPNFuncs.version & 0xFF;

    NPError rv = NPERR_NO_ERROR;

    if (navMinorVersion >= NPVERS_HAS_STREAMOUTPUT)
        rv = NPNFuncs.newstream(instance, type, target, stream);
    else
        rv = NPERR_INCOMPATIBLE_VERSION_ERROR;

    return rv;
}

int32_t NPN_Write(NPP instance, NPStream * stream, int32_t len, void *buffer)
{
    int navMinorVersion = NPNFuncs.version & 0xFF;
    int32_t rv = 0;

    if (navMinorVersion >= NPVERS_HAS_STREAMOUTPUT)
        rv = NPNFuncs.write(instance, stream, len, buffer);
    else
        rv = -1;

    return rv;
}

NPError NPN_DestroyStream(NPP instance, NPStream * stream, NPError reason)
{
    int navMinorVersion = NPNFuncs.version & 0xFF;
    NPError rv = NPERR_NO_ERROR;

    if (navMinorVersion >= NPVERS_HAS_STREAMOUTPUT)
        rv = NPNFuncs.destroystream(instance, stream, reason);
    else
        rv = NPERR_INCOMPATIBLE_VERSION_ERROR;

    return rv;
}

void NPN_Status(NPP instance, const char *message)
{
    NPNFuncs.status(instance, message);
}

const char *NPN_UserAgent(NPP instance)
{
    const char *rv = NULL;
    rv = NPNFuncs.uagent(instance);
    return rv;
}

void *NPN_MemAlloc(uint32_t size)
{
    void *rv = NULL;
    rv = NPNFuncs.memalloc(size);
    return rv;
}

void NPN_MemFree(void *ptr)
{
    NPNFuncs.memfree(ptr);
}

uint32_t NPN_MemFlush(uint32_t size)
{
    uint32_t rv = NPNFuncs.memflush(size);
    return rv;
}

void NPN_ReloadPlugins(NPBool reloadPages)
{
    NPNFuncs.reloadplugins(reloadPages);
}

/*
JRIEnv *NPN_GetJavaEnv(void)
{
    JRIEnv *rv = NULL;
    rv = NPNFuncs.getJavaEnv();
    return rv;
}

jref NPN_GetJavaPeer(NPP instance)
{
    jref rv;
    rv = NPNFuncs.getJavaPeer(instance);
    return rv;
}
*/

NPError NPN_GetValue(NPP instance, NPNVariable variable, void *value)
{
    NPError rv = NPNFuncs.getvalue(instance, variable, value);
    return rv;
}

NPError NPN_SetValue(NPP instance, NPPVariable variable, void *value)
{
    NPError rv = NPNFuncs.setvalue(instance, variable, value);
    return rv;
}

void NPN_InvalidateRect(NPP instance, NPRect * invalidRect)
{
    NPNFuncs.invalidaterect(instance, invalidRect);
}

void NPN_InvalidateRegion(NPP instance, NPRegion invalidRegion)
{
    NPNFuncs.invalidateregion(instance, invalidRegion);
}

void NPN_ForceRedraw(NPP instance)
{
    NPNFuncs.forceredraw(instance);
}

NPIdentifier NPN_GetStringIdentifier(const NPUTF8 * name)
{
    if (!NPNFuncs.getstringidentifier)
        return 0;

    return NPNFuncs.getstringidentifier(name);
}

void NPN_GetStringIdentifiers(const NPUTF8 ** names, uint32_t nameCount, NPIdentifier * identifiers)
{
    return NPNFuncs.getstringidentifiers(names, nameCount, identifiers);
}

NPIdentifier NPN_GetStringIdentifier(int32_t intid)
{
    return NPNFuncs.getintidentifier(intid);
}

bool NPN_IdentifierIsString(NPIdentifier identifier)
{
    return NPNFuncs.identifierisstring(identifier);
}

NPUTF8 *NPN_UTF8FromIdentifier(NPIdentifier identifier)
{
    return NPNFuncs.utf8fromidentifier(identifier);
}

int32_t NPN_IntFromIdentifier(NPIdentifier identifier)
{
    return NPNFuncs.intfromidentifier(identifier);
}

NPObject *NPN_CreateObject(NPP npp, NPClass * aClass)
{
    return NPNFuncs.createobject(npp, aClass);
}

NPObject *NPN_RetainObject(NPObject * obj)
{
    return NPNFuncs.retainobject(obj);
}

void NPN_ReleaseObject(NPObject * obj)
{
    return NPNFuncs.releaseobject(obj);
}

bool NPN_Invoke(NPP npp, NPObject * obj, NPIdentifier methodName,
                const NPVariant * args, uint32_t argCount, NPVariant * result)
{
    return NPNFuncs.invoke(npp, obj, methodName, args, argCount, result);
}

bool NPN_InvokeDefault(NPP npp, NPObject * obj, const NPVariant * args,
                       uint32_t argCount, NPVariant * result)
{
    return NPNFuncs.invokeDefault(npp, obj, args, argCount, result);
}

bool NPN_Evaluate(NPP npp, NPObject * obj, NPString * script, NPVariant * result)
{
    return NPNFuncs.evaluate(npp, obj, script, result);
}

bool NPN_GetProperty(NPP npp, NPObject * obj, NPIdentifier propertyName, NPVariant * result)
{
    return NPNFuncs.getproperty(npp, obj, propertyName, result);
}

bool NPN_SetProperty(NPP npp, NPObject * obj, NPIdentifier propertyName, const NPVariant * value)
{
    return NPNFuncs.setproperty(npp, obj, propertyName, value);
}

bool NPN_RemoveProperty(NPP npp, NPObject * obj, NPIdentifier propertyName)
{
    return NPNFuncs.removeproperty(npp, obj, propertyName);
}

bool NPN_HasProperty(NPP npp, NPObject * obj, NPIdentifier propertyName)
{
    return NPNFuncs.hasproperty(npp, obj, propertyName);
}

bool NPN_HasMethod(NPP npp, NPObject * obj, NPIdentifier methodName)
{
    return NPNFuncs.hasmethod(npp, obj, methodName);
}

void NPN_ReleaseVariantValue(NPVariant * variant)
{
    NPNFuncs.releasevariantvalue(variant);
}

void NPN_SetException(NPObject * obj, const NPUTF8 * message)
{
    NPNFuncs.setexception(obj, message);
}

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