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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples 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 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 QtQuick.XmlListModel 2.0
+
+Item {
+ id: videoSelector
+
+ property int tileHeight: parseInt(grid.height / 2)
+ property int tileMargin: tileHeight * 0.1
+ property int tileFontSize: tileHeight * 0.08
+ property string tileBackground: "#262626"
+ property string textColor: "white"
+ property string uiFont: "Segoe UI"
+
+ signal selectVideo(string link)
+
+ state: "VISIBLE"
+
+ onOpacityChanged: {
+ if (state === "HIDDEN" && opacity <= 0.05)
+ visible = false;
+ }
+
+ XmlListModel {
+ id: videoModel
+ source: "http://qt-project.org/uploads/videos/qt5_videos.xml"
+ query: "/videolist/item"
+ XmlRole { name: "thumbnail"; query: "thumbnail/string()" }
+ XmlRole { name: "title"; query: "title/string()" }
+ XmlRole { name: "link"; query: "link/string()" }
+ }
+
+ // Grid view
+ GridView {
+ id: grid
+ anchors.fill: parent
+ flow: GridView.TopToBottom
+ cellHeight: tileHeight
+ cellWidth: parseInt(tileHeight * 1.5)
+ cacheBuffer: cellWidth
+ clip: false
+ focus: true
+ model: videoModel
+ delegate: VideoDelegate { onVideoSelected: videoSelector.selectVideo(link); }
+
+ // Only show the scrollbars when the view is moving.
+ states: State {
+ when: grid.movingHorizontally
+ PropertyChanges { target: horizontalScrollBar; opacity: 1 }
+ }
+
+ transitions: Transition {
+ NumberAnimation { properties: "opacity"; duration: 400 }
+ }
+ }
+
+ ScrollBar {
+ id: horizontalScrollBar
+ width: parent.width; height: 6
+ anchors.bottom: parent.bottom
+ anchors.left: parent.left
+ opacity: 0
+ position: grid.visibleArea.xPosition
+ pageSize: grid.visibleArea.widthRatio
+ }
+
+ function hide() {
+ videoSelector.state = "HIDDEN";
+ }
+
+ function show() {
+ videoSelector.visible = true;
+ videoSelector.state = "VISIBLE";
+ }
+
+ states: [
+ State {
+ name: "HIDDEN"
+ PropertyChanges {
+ target: videoSelector
+ opacity: 0.0
+ }
+ },
+ State {
+ name: "VISIBLE"
+ PropertyChanges {
+ target: videoSelector
+ opacity: 0.95
+ }
+ }
+ ]
+
+ transitions: [
+ Transition {
+ from: "HIDDEN"
+ to: "VISIBLE"
+ NumberAnimation {
+ id: showAnimation
+ target: videoSelector
+ properties: "opacity"
+ from: 0.0
+ to: 1.0
+ duration: 200
+ }
+ },
+ Transition {
+ from: "VISIBLE"
+ to: "HIDDEN"
+ NumberAnimation {
+ id: hideAnimation
+ target: videoSelector
+ properties: "opacity"
+ from: 0.95
+ to: 0.0
+ duration: 200
+ }
+ }
+ ]
+}