/****************************************************************************
**
** 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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** $QT_BEGIN_LICENSE:LGPL3$
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import QtQuick 2.4
import QtQuick.Controls 2.0

AbstractProgressBar {
    id: control

    implicitWidth: Math.max(background ? background.implicitWidth : 0,
                            indicator ? indicator.implicitWidth : 0) + leftPadding + rightPadding
    implicitHeight: Math.max(background ? background.implicitHeight : 0,
                             indicator ? indicator.implicitHeight : 0) + topPadding + bottomPadding

    Accessible.role: Accessible.ProgressBar

    padding: style.padding

    indicator: Item {
        x: control.leftPadding
        y: control.topPadding
        width: parent.width - control.leftPadding - control.rightPadding
        height: parent.height - control.topPadding - control.bottomPadding

        scale: control.effectiveLayoutDirection === Qt.RightToLeft ? -1 : 1

        Repeater {
            model: indeterminate ? 2 : 1

            Rectangle {
                property real offset: indeterminate ? 0 : control.value

                x: 2 + (indeterminate ? offset * parent.width - 4 : 0)
                y: (parent.height - height) / 2
                width: offset * (parent.width - x) - 2
                height: 2

                color: style.accentColor
                radius: style.roundness

                SequentialAnimation on offset {
                    loops: Animation.Infinite
                    running: indeterminate && visible
                    PauseAnimation { duration: index ? 520 : 0 }
                    NumberAnimation {
                        easing.type: Easing.OutCubic
                        duration: 1240
                        from: 0
                        to: 1
                    }
                    PauseAnimation { duration: index ? 0 : 520 }
                }
            }
        }
    }

    background: Rectangle {
        implicitWidth: 120
        implicitHeight: 6
        x: control.leftPadding
        y: (parent.height - height) / 2
        width: parent.width - control.leftPadding - control.rightPadding
        height: 6

        radius: style.roundness
        border.color: style.frameColor
        color: "transparent"
    }
}