/********************************************************************
 KWin - the KDE window manager
 This file is part of the KDE project.

Copyright (c) 2011 Lionel Chauvin <megabigbug@yahoo.fr>
Copyright (c) 2011,2012 Cédric Bellegarde <gnumdk@gmail.com>
Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program 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 "appmenu.h"
#include "client.h"
#include "workspace.h"
#include <appmenu_interface.h>

namespace KWin {

KWIN_SINGLETON_FACTORY(ApplicationMenu)

ApplicationMenu::ApplicationMenu(QObject *parent)
    : QObject(parent)
    , m_appmenuInterface(new OrgKdeKappmenuInterface(QStringLiteral("org.kde.kappmenu"), QStringLiteral("/KAppMenu"), QDBusConnection::sessionBus(), this))
{
    connect(m_appmenuInterface, &OrgKdeKappmenuInterface::showRequest, this, &ApplicationMenu::slotShowRequest);
    connect(m_appmenuInterface, &OrgKdeKappmenuInterface::menuAvailable, this, &ApplicationMenu::slotMenuAvailable);
    connect(m_appmenuInterface, &OrgKdeKappmenuInterface::menuHidden, this, &ApplicationMenu::slotMenuHidden);
    connect(m_appmenuInterface, &OrgKdeKappmenuInterface::clearMenus, this, &ApplicationMenu::slotClearMenus);
}

ApplicationMenu::~ApplicationMenu()
{
    s_self = NULL;
}

bool ApplicationMenu::hasMenu(xcb_window_t window)
{
    return m_windowsMenu.removeOne(window);
}

void ApplicationMenu::slotShowRequest(qulonglong wid)
{
    if (Client *c = Workspace::self()->findClient(Predicate::WindowMatch, wid))
        c->emitShowRequest();
}

void ApplicationMenu::slotMenuAvailable(qulonglong wid)
{
    if (Client *c = Workspace::self()->findClient(Predicate::WindowMatch, wid))
        c->setAppMenuAvailable();
    else
        m_windowsMenu.append(wid);
}

void ApplicationMenu::slotMenuHidden(qulonglong wid)
{
    if (Client *c = Workspace::self()->findClient(Predicate::WindowMatch, wid))
        c->emitMenuHidden();
}

void ApplicationMenu::slotClearMenus()
{
    foreach (Client *c, Workspace::self()->clientList()) {
       c->setAppMenuUnavailable();
    }
}

void ApplicationMenu::showApplicationMenu(const QPoint &p, const xcb_window_t id)
{
    m_appmenuInterface->showMenu(p.x(), p.y(), id);
}

} // namespace