/******************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Ultralite module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
import QtQuick 2.0

Item {
    id: root

    property bool isDayMode: false
    property bool isDayModeOld: false

    readonly property image sourceDayMode: "qrc:///images/bg/main-light.png"
    readonly property image sourceNightMode: "qrc:///images/bg/main.png"

    property int fadingTime: 500

    property real imagesOpacity: 1
    Behavior on opacity {
        NumberAnimation {
            duration: fadingTime
        }
    }

    Image {
        id: imageLeft
        opacity: imagesOpacity
        source: sourceNightMode
    }
    Image {
        id: imageRight
        anchors.right: parent.right
        opacity: imagesOpacity
        source: sourceNightMode
        transform: Scale {
            xScale: -1
            origin.x: imageLeft.width / 2
        }
    }

    onIsDayModeChanged: {
        if (isDayModeOld !== isDayMode) {
            changeDayMode.start()
            isDayModeOld = isDayMode
        }
    }

    SequentialAnimation {
        id: changeDayMode

        PauseAnimation {
            duration: 600
        }
        NumberAnimation {
            target: root
            property: "imagesOpacity"
            to: 0
            duration: fadingTime /*easing.type: Easing.OutCubic*/
        }
        ScriptAction {
            script: {
                imageLeft.source = isDayMode ? sourceDayMode : sourceNightMode
                imageRight.source = isDayMode ? sourceDayMode : sourceNightMode
            }
        }
        NumberAnimation {
            target: root
            property: "imagesOpacity"
            to: 1
            duration: fadingTime /*easing.type: Easing.OutCubic*/
        }
    }
}