/*
 * resourcemenu.cpp - helper class for displaying contact's resources
 * Copyright (C) 2006-2010  Michail Pishchagin
 *
 * 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

#include "resourcemenu.h"

#include "psiiconset.h"
#include "userlist.h"
#include "xmpp_status.h"
#include "psicontact.h"
#include "psiaccount.h"

/**
 * \class ResourceMenu
 * Helper class that displays available resources using QMenu.
 */

ResourceMenu::ResourceMenu(QWidget *parent)
    : QMenu(parent)
    , activeChatsMode_(false)
{
}

ResourceMenu::ResourceMenu(const QString& title, PsiContact* contact, QWidget* parent)
    : QMenu(parent)
    , contact_(contact)
    , activeChatsMode_(false)
{
    setTitle(title);

    Q_ASSERT(contact);
    connect(contact_, SIGNAL(updated()), SLOT(contactUpdated()));
    contactUpdated();
}

/**
 * Helper function to add resource to the menu.
 */
void ResourceMenu::addResource(const UserResource &r)
{
    addResource(r.status().type(), r.name());
}

/**
 * Helper function to add resource to the menu.
 */
void ResourceMenu::addResource(int status, QString name)
{
    QString rname = name;
    if(rname.isEmpty())
        rname = tr("[blank]");

    //rname += " (" + status2txt(status) + ")";

    QAction* action = new QAction(PsiIconset::instance()->status(status).icon(), rname, this);
    addAction(action);
    action->setProperty("resource", QVariant(name));
#if defined (Q_OS_MAC)
    action->setIconVisibleInMenu(true);
#endif
    connect(action, SIGNAL(triggered()), SLOT(actionActivated()));
}

void ResourceMenu::actionActivated()
{
    QAction* action = static_cast<QAction*>(sender());
    emit resourceActivated(action->property("resource").toString());

    if (contact_) {
        XMPP::Jid jid(contact_->jid());
        jid = jid.withResource(action->property("resource").toString());
        emit resourceActivated(contact_, jid);
    }
}

void ResourceMenu::contactUpdated()
{
    if (!contact_)
        return;
    if (isVisible())
        return;
    clear();

    if (!activeChatsMode_) {
        foreach(const UserResource& resource, contact_->userResourceList())
            addResource(resource);
    }
    else {
        foreach(QString resourceName, contact_->account()->hiddenChats(contact_->jid())) {
            XMPP::Status::Type status;
            const UserResourceList &rl = contact_->userResourceList();
            UserResourceList::ConstIterator uit = rl.find(resourceName);
            if (uit != rl.end() || (uit = rl.priority()) != rl.end())
                status = makeSTATUS((*uit).status());
            else
                status = XMPP::Status::Offline;
            addResource(status, resourceName);
        }
    }
}

bool ResourceMenu::activeChatsMode() const
{
    return activeChatsMode_;
}

void ResourceMenu::setActiveChatsMode(bool activeChatsMode)
{
    activeChatsMode_ = activeChatsMode;
    contactUpdated();
}
