/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless Ltd.
 * Copyright (C) 2002 Chris Schoeneman
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 * 
 * This package 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "synergy/AppUtil.h"

#include "algorithm"

AppUtil* AppUtil::s_instance = nullptr;
 
AppUtil::AppUtil() :
m_app(nullptr)
{
    s_instance = this;
}

AppUtil::~AppUtil()
{
}

void
AppUtil::adoptApp(IApp* app)
{
    app->setByeFunc(&exitAppStatic);
    m_app = app;
}

IApp&
AppUtil::app() const
{
    assert(m_app != nullptr);
    return *m_app;
}

AppUtil&
AppUtil::instance()
{
    assert(s_instance != nullptr);
    return *s_instance;
}

void
AppUtil::getKeyboardLayoutsDiff(const String& remoteCompressedLanguages,
                                const std::vector<String>& localLanguages,
                                std::vector<String>& missedLang,
                                std::vector<String>& supportedLang)
{
    missedLang.clear();
    supportedLang.clear();
    for(int i = 0; i <= (int)remoteCompressedLanguages.size() - 2; i +=2) {
        auto layout = remoteCompressedLanguages.substr(i, 2);
        if (std::find(localLanguages.begin(), localLanguages.end(), layout) == localLanguages.end()) {
            missedLang.push_back(layout);
        }
        else {
            supportedLang.push_back(layout);
        }
    }
}