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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the Qt Quick Controls module of the Qt Toolkit.
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** General Public License version 2.0 or later as published by the Free
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import QtQuick 2.6
import QtQuick.Controls 2.0

AbstractBusyIndicator {
    id: control

    implicitWidth: indicator.implicitWidth + leftPadding + rightPadding
    implicitHeight: indicator.implicitHeight + topPadding + bottomPadding

    Accessible.role: Accessible.Indicator

    padding: Theme.padding

    indicator: Item {
        id: delegate
        implicitWidth: 48
        implicitHeight: 48
        x: (parent.width - width) / 2
        y: (parent.height - height) / 2
        width: parent.width
        height: parent.height

        opacity: control.running ? 1 : 0
        Behavior on opacity { OpacityAnimator { duration: 250 } }

        Image {
            x: (parent.width - width) / 2
            y: (parent.height - height) / 2
            width: Math.min(parent.width, parent.height)
            height: width
            source: width <= 32 ? "qrc:/images/spinner_small.png" :
                    width >= 48 ? "qrc:/images/spinner_large.png" :
                                  "qrc:/images/spinner_medium.png"

            RotationAnimator on rotation {
                duration: 800
                loops: Animation.Infinite
                from: 0
                to: 360
                running: control.visible && (control.running || delegate.opacity > 0)
            }
        }
    }
}