/*
 * Copyright (C) 2021 CutefishOS Team.
 *
 * Author:     cutefish <cutefishos@foxmail.com>
 *
 * 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 3 of the License, or
 * 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/>.
 */

#pragma once

#include <QApplication>
#include <QObject>
#include <QQmlEngine>
#include <QQmlParserStatus>
#include <QRect>
#include <QWindow>
#include <QVector>

class WindowBlur : public QObject, public QQmlParserStatus
{
    Q_OBJECT
    QML_ELEMENT
    Q_INTERFACES(QQmlParserStatus)

    Q_PROPERTY(QWindow *view READ view WRITE setView NOTIFY viewChanged)
    Q_PROPERTY(QRect geometry READ geometry WRITE setGeometry NOTIFY geometryChanged)
    Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)
    Q_PROPERTY(qreal windowRadius READ windowRadius WRITE setWindowRadius NOTIFY windowRadiusChanged)

public:
    WindowBlur(QObject *parent = nullptr) noexcept;
    ~WindowBlur() override;

    void classBegin() override;
    void componentComplete() override;

    void setView(QWindow *view);
    QWindow *view() const;

    void setGeometry(const QRect &rect);
    QRect geometry() const;

    void setEnabled(bool enabled);
    bool enabled() const;

    void setWindowRadius(qreal radius);
    qreal windowRadius() const;

private Q_SLOTS:
    void onViewVisibleChanged(bool);

private:
    void updateBlur();

Q_SIGNALS:
    void viewChanged();
    void enabledChanged();
    void windowRadiusChanged();
    void geometryChanged();

private:
    QWindow *m_view;
    QRect m_rect;
    bool m_enabled;
    qreal m_windowRadius;
};
