/*
 * Copyright (c) 2013 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

/*
 * Copyright (c) 2014-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#pragma once

#include <boost/signals2.hpp>

#include <QLineEdit>
#include <QTreeView>

#include <Swift/Controllers/Contact.h>

namespace Swift {

class ContactListDelegate;
class SettingsProvider;
class ContactListModel;

class QtSuggestingJIDInput : public QLineEdit {
    Q_OBJECT
    public:
        QtSuggestingJIDInput(QWidget* parent, SettingsProvider* settings);
        virtual ~QtSuggestingJIDInput();

        Contact::ref getContact();

        void setSuggestions(const std::vector<Contact::ref>& suggestions);

        void clear();

        boost::signals2::signal<void (const Contact::ref&)> onUserSelected;

    signals:
        void editingDone();

    protected:
        virtual void keyPressEvent(QKeyEvent* event);
        virtual void hideEvent(QHideEvent* event);

    private:
        void handleSettingsChanged(const std::string& setting);

    private slots:
        void handleClicked(const QModelIndex& index);
        void handleApplicationFocusChanged(QWidget* old, QWidget* now);

    private:
        void positionPopup();
        void showPopup();
        void hidePopup();

    private:
        SettingsProvider* settings_;
        ContactListModel* contactListModel_;
        QTreeView* treeViewPopup_;
        ContactListDelegate* contactListDelegate_;
        Contact::ref currentContact_;
};

}