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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the manual tests of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.8
import Qt.labs.handlers 1.0
Item {
id: root
default property alias data: __contentItem.data
property alias velocity: anim.velocity
property alias contentX: __contentItem.x // sign is reversed compared to Flickable.contentX
property alias contentY: __contentItem.y // sign is reversed compared to Flickable.contentY
property alias contentWidth: __contentItem.width
property alias contentHeight: __contentItem.height
signal flickStarted
signal flickEnded
Item {
id: __contentItem
objectName: "__contentItem"
width: childrenRect.width
height: childrenRect.height
property real xlimit: root.width - __contentItem.width
property real ylimit: root.height - __contentItem.height
function returnToBounds() {
var startAnim = false
if (x > 0) {
returnToBoundsAnim.x = 0
startAnim = true
} else if (x < xlimit) {
returnToBoundsAnim.x = xlimit
startAnim = true
}
if (y > 0) {
returnToBoundsAnim.y = 0
startAnim = true
} else if (y < ylimit) {
returnToBoundsAnim.y = ylimit
startAnim = true
}
if (startAnim)
returnToBoundsAnim.start()
}
DragHandler {
id: dragHandler
onActiveChanged: if (!active) anim.restart(velocity)
}
MomentumAnimation {
id: anim
target: __contentItem
onStarted: root.flickStarted()
onStopped: {
__contentItem.returnToBounds()
root.flickEnded()
}
}
ParallelAnimation {
id: returnToBoundsAnim
property Item target: __contentItem
property int duration: 200
property real x: 0
property real y: 0
NumberAnimation {
id: xAnim
target: returnToBoundsAnim.target
property: "x"
to: returnToBoundsAnim.x
duration: returnToBoundsAnim.duration
easing.type: Easing.OutQuad
}
NumberAnimation {
id: yAnim
target: returnToBoundsAnim.target
property: "y"
to: returnToBoundsAnim.y
duration: returnToBoundsAnim.duration
easing.type: Easing.OutQuad
}
}
}
}
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