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+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt 5 launch demo.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Digia Plc and its Subsidiary(-ies) 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 2.0
+import "presentation"
+
+Presentation {
+
+ id: deck
+
+ width: 1280
+ height: 720
+
+ property bool inTransition: false;
+
+ property variant fromSlide;
+ property variant toSlide;
+
+ property int transitionTime: 500;
+
+ SequentialAnimation {
+ id: forwardTransition
+ PropertyAction { target: deck; property: "inTransition"; value: true }
+ PropertyAction { target: toSlide; property: "visible"; value: true }
+ ParallelAnimation {
+ NumberAnimation { target: fromSlide; property: "opacity"; from: 1; to: 0; duration: deck.transitionTime; easing.type: Easing.OutQuart }
+ NumberAnimation { target: fromSlide; property: "scale"; from: 1; to: 1.1; duration: deck.transitionTime; easing.type: Easing.InOutQuart }
+ NumberAnimation { target: toSlide; property: "opacity"; from: 0; to: 1; duration: deck.transitionTime; easing.type: Easing.InQuart }
+ NumberAnimation { target: toSlide; property: "scale"; from: 0.7; to: 1; duration: deck.transitionTime; easing.type: Easing.InOutQuart }
+ }
+ PropertyAction { target: fromSlide; property: "visible"; value: false }
+ PropertyAction { target: fromSlide; property: "scale"; value: 1 }
+ PropertyAction { target: deck; property: "inTransition"; value: false }
+ }
+ SequentialAnimation {
+ id: backwardTransition
+ running: false
+ PropertyAction { target: deck; property: "inTransition"; value: true }
+ PropertyAction { target: toSlide; property: "visible"; value: true }
+ ParallelAnimation {
+ NumberAnimation { target: fromSlide; property: "opacity"; from: 1; to: 0; duration: deck.transitionTime; easing.type: Easing.OutQuart }
+ NumberAnimation { target: fromSlide; property: "scale"; from: 1; to: 0.7; duration: deck.transitionTime; easing.type: Easing.InOutQuart }
+ NumberAnimation { target: toSlide; property: "opacity"; from: 0; to: 1; duration: deck.transitionTime; easing.type: Easing.InQuart }
+ NumberAnimation { target: toSlide; property: "scale"; from: 1.1; to: 1; duration: deck.transitionTime; easing.type: Easing.InOutQuart }
+ }
+ PropertyAction { target: fromSlide; property: "visible"; value: false }
+ PropertyAction { target: fromSlide; property: "scale"; value: 1 }
+ PropertyAction { target: deck; property: "inTransition"; value: false }
+ }
+
+ function switchSlides(from, to, forward)
+ {
+ if (deck.inTransition)
+ return false
+
+ deck.fromSlide = from
+ deck.toSlide = to
+
+ if (forward)
+ forwardTransition.running = true
+ else
+ backwardTransition.running = true
+
+ return true
+ }
+}