/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#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
#define MOZ_PLUGIN_DLL_NAME "npsopluginmi.dll"
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;
    }
    //ret =  GetCurrentDirectory( SO_PATH_SIZE, sSoPath);
    //ret = GetEnvironmentVariable("prog", sSoPath, SO_PATH_SIZE);
    // 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;
    }

    //ret =  GetCurrentDirectory( SO_PATH_SIZE, sSoPath);
    // 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;
}
}