/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
 */

#if defined _MSC_VER
#pragma warning(push, 1)
#endif
#include <windows.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
#include <winreg.h>
#include <shlwapi.h>
#include <stdio.h>

#define SO_PATH_SIZE        4096

extern "C" {
int lc_isInstalled(const  char* realFilePath)
{
    HKEY hKeySoftware;
    HKEY hMozillaPlugins;
    HKEY hStarOffice;
    char sSoPath[SO_PATH_SIZE];
    char sPluginPath[SO_PATH_SIZE];

    LONG ret;
    ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE,  "SOFTWARE",  0,  KEY_READ, &hKeySoftware);
    if(ret != ERROR_SUCCESS){
        ret = RegOpenKeyEx(HKEY_CURRENT_USER,  "SOFTWARE",  0,  KEY_READ, &hKeySoftware);
        if(ret != ERROR_SUCCESS){
            return -1;
        }
    }
    ret = RegOpenKeyEx(hKeySoftware,  "MozillaPlugins",  0,  KEY_READ, &hMozillaPlugins);
    if(ret != ERROR_SUCCESS){
        RegCloseKey(hKeySoftware);
        if( ret == ERROR_FILE_NOT_FOUND)
            return 1;
        else
            return -1;
    }
    ret = RegOpenKeyEx(hMozillaPlugins,  "@sun.com/npsopluginmi;version=1.0",  0,  KEY_READ, &hStarOffice);
    if(ret != ERROR_SUCCESS){
        RegCloseKey(hKeySoftware);
        RegCloseKey(hMozillaPlugins);
        if( ret == ERROR_FILE_NOT_FOUND)
            return 1;
        else
            return -1;
    }

    if((realFilePath == NULL) || (strlen(realFilePath) == 0) || (strlen(realFilePath) >= SO_PATH_SIZE))
        ret = -1;
    else{
        sprintf(sSoPath,"%s", realFilePath);
        ret = 0;
    }

    // GetCurrentDirectory return the char number of the string
    if(ret == 0){
        DWORD  dType = REG_SZ;
        DWORD  dSize = SO_PATH_SIZE;
        ret = RegQueryValueEx (hStarOffice, "Path", NULL,  &dType , (LPBYTE) sPluginPath, &dSize);
        if(ret == ERROR_SUCCESS){
            if(strcmp(sPluginPath, sSoPath) == 0)
                ret = 0;
            else
                ret = 1;
        }
        else
            ret = -1;
    }
    else
        ret = -1;
    RegCloseKey(hStarOffice);
    RegCloseKey(hMozillaPlugins);
    RegCloseKey(hKeySoftware);
    return ret;
}

int lc_uninstallPlugin(const  char*)
{
    HKEY hKeySoftware;
    HKEY hMozillaPlugins;
    HKEY hStarOffice;

    LONG ret;
    ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE,  "SOFTWARE",  0,  KEY_READ|KEY_WRITE, &hKeySoftware);
    if(ret != ERROR_SUCCESS){
        ret = RegOpenKeyEx(HKEY_CURRENT_USER,  "SOFTWARE",  0,  KEY_READ|KEY_WRITE, &hKeySoftware);
        if(ret != ERROR_SUCCESS){
            return -1;
        }
    }
    ret = RegOpenKeyEx(hKeySoftware,  "MozillaPlugins",  0,  KEY_READ|KEY_WRITE, &hMozillaPlugins);
    if(ret != ERROR_SUCCESS){
        RegCloseKey(hKeySoftware);
        if( ret == ERROR_FILE_NOT_FOUND)
            return 0;
        else
            return -1;
    }

    ret = RegOpenKeyEx(hMozillaPlugins,  "@sun.com/npsopluginmi;version=1.0",  0,  KEY_READ|KEY_WRITE, &hStarOffice);
    if(ret != ERROR_SUCCESS){
        RegCloseKey(hKeySoftware);
        RegCloseKey(hMozillaPlugins);
        if( ret == ERROR_FILE_NOT_FOUND)
            return 0;
        else
            return -1;
    }
    RegCloseKey(hStarOffice);
    ret = SHDeleteKey(hMozillaPlugins,  "@sun.com/npsopluginmi;version=1.0");
    if(ret != ERROR_SUCCESS){
        ret = -1;
    }
    RegFlushKey(hMozillaPlugins);
    RegCloseKey(hMozillaPlugins);
    RegCloseKey(hKeySoftware);
    return ret;
}

int lc_installPlugin(const  char* realFilePath)
{
    HKEY hKeySoftware;
    HKEY hMozillaPlugins;
    HKEY hStarOffice;
    char sSoPath[SO_PATH_SIZE];
    DWORD  sState;

    LONG ret;
    ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE,  "SOFTWARE",  0,  KEY_READ|KEY_WRITE, &hKeySoftware);
    if(ret != ERROR_SUCCESS){
        ret = RegOpenKeyEx(HKEY_CURRENT_USER,  "SOFTWARE",  0,  KEY_READ|KEY_WRITE, &hKeySoftware);
        if(ret != ERROR_SUCCESS){
            return -1;
        }
    }
    ret = RegOpenKeyEx(hKeySoftware,  "MozillaPlugins",  0,  KEY_READ|KEY_WRITE, &hMozillaPlugins);
    if(ret != ERROR_SUCCESS){
        RegCreateKeyEx(hKeySoftware,
            "MozillaPlugins",
            0,
            NULL,
            REG_OPTION_NON_VOLATILE,
            KEY_READ|KEY_WRITE,
            NULL,
            &hMozillaPlugins,
            &sState);
    }

    ret = RegCreateKeyEx(hMozillaPlugins,
        "@sun.com/npsopluginmi;version=1.0",
        0,
        NULL,
        REG_OPTION_NON_VOLATILE,
        KEY_READ|KEY_WRITE,
        NULL,
        &hStarOffice,
        &sState);
    if(ret != ERROR_SUCCESS){
        RegCloseKey(hKeySoftware);
        RegCloseKey(hMozillaPlugins);
        return -1;
    }

    RegFlushKey(hStarOffice);
    RegFlushKey(hMozillaPlugins);

    if((realFilePath == NULL) || (strlen(realFilePath) == 0) || (strlen(realFilePath) >= SO_PATH_SIZE))
        ret = -1;
    else{
        sprintf(sSoPath,"%s", realFilePath);
        ret = 0;
    }

    // GetCurrentDirectory return the char number of the string
    if(ret == 0){
        ret = RegSetValueEx( hStarOffice, "Path", 0, REG_SZ,  (LPBYTE) sSoPath, strlen(sSoPath) + 1);
        if(ret == ERROR_SUCCESS)
            ret = 0;
        else
            ret = -1;
    }
    else
        ret = -1;
    RegFlushKey(hStarOffice);
    RegFlushKey(hMozillaPlugins);
    RegCloseKey(hStarOffice);
    RegCloseKey(hMozillaPlugins);
    RegCloseKey(hKeySoftware);
    RegFlushKey(HKEY_LOCAL_MACHINE);

    return ret;
}
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */