/*
    SPDX-FileCopyrightText: 2005-2006 Olivier Goffart <ogoffart at kde.org>
    SPDX-FileCopyrightText: 2008 Dmitry Suzdalev <dimsuz@gmail.com>
    SPDX-FileCopyrightText: 2014 Martin Klapetek <mklapetek@kde.org>

    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/

#ifndef NOTIFYBYPOPUP_H
#define NOTIFYBYPOPUP_H

#include "knotificationplugin.h"

#include "knotifyconfig.h"
#include <QStringList>

#include "notifications_interface.h"

class KNotification;
class QDBusPendingCallWatcher;

class NotifyByPopup : public KNotificationPlugin
{
    Q_OBJECT
public:
    explicit NotifyByPopup(QObject *parent = nullptr);
    ~NotifyByPopup() override;

    QString optionName() override
    {
        return QStringLiteral("Popup");
    }
    void notify(KNotification *notification, const KNotifyConfig &notifyConfig) override;
    void close(KNotification *notification) override;
    void update(KNotification *notification, const KNotifyConfig &notifyConfig) override;

private Q_SLOTS:
    // slot which gets called when DBus signals that some notification action was invoked
    void onNotificationActionInvoked(uint notificationId, const QString &actionKey);
    void onNotificationActionTokenReceived(uint notificationId, const QString &xdgActionToken);
    // slot which gets called when DBus signals that some notification was closed
    void onNotificationClosed(uint, uint);
    void onNotificationReplied(uint notificationId, const QString &text);

private:
    /**
     * Sends notification to DBus "org.freedesktop.notifications" interface.
     * @param id knotify-sid identifier of notification
     * @param config notification data
     * @param update If true, will request the DBus service to update
                     the notification with new data from \c notification
     *               Otherwise will put new notification on screen
     * @return true for success or false if there was an error.
     */
    bool sendNotificationToServer(KNotification *notification, const KNotifyConfig &config, bool update = false);

    /**
     * Find the caption and the icon name of the application
     */
    void getAppCaptionAndIconName(const KNotifyConfig &config, QString *appCaption, QString *iconName);
    /*
     * Query the dbus server for notification capabilities
     */
    void queryPopupServerCapabilities();

    /**
     * DBus notification daemon capabilities cache.
     * Do not use this variable. Use #popupServerCapabilities() instead.
     * @see popupServerCapabilities
     */
    QStringList m_popupServerCapabilities;

    /**
     * In case we still don't know notification server capabilities,
     * we need to query those first. That's done in an async way
     * so we queue all notifications while waiting for the capabilities
     * to return, then process them from this queue
     */
    QList<QPair<KNotification *, KNotifyConfig>> m_notificationQueue;
    /**
     * Whether the DBus notification daemon capability cache is up-to-date.
     */
    bool m_dbusServiceCapCacheDirty;

    /*
     * As we communicate with the notification server over dbus
     * we use only ids, this is for fast KNotifications lookup
     */
    QHash<uint, QPointer<KNotification>> m_notifications;

    org::freedesktop::Notifications m_dbusInterface;

    Q_DISABLE_COPY_MOVE(NotifyByPopup)
};

#endif