--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Components project.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation 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 1.1
+
+// Background dimming
+Rectangle {
+ id: faderBackground
+
+ property double dim: 0.9
+ property int fadeInDuration: 250
+ property int fadeOutDuration: 250
+
+ property int fadeInDelay: 0
+ property int fadeOutDelay: 0
+
+ property int fadeInEasingType: Easing.InQuint
+ property int fadeOutEasingType: Easing.OutQuint
+
+ property url background: ""
+
+ property Item visualParent: null
+ property Item originalParent: parent
+
+ // widen the edges to avoid artefacts during rotation
+ anchors.topMargin: -1
+ anchors.rightMargin: -1
+ anchors.bottomMargin: -1
+ anchors.leftMargin: -1
+
+ // opacity is passed to child elements - that is not, what we want
+ // so we need to use alpha value here
+ property double alpha: dim
+
+ signal privateClicked
+
+ //Deprecated, TODO Remove the following two lines on w13
+ signal clicked
+ onClicked: privateClicked()
+
+ // we need the possibility to fetch the red, green, blue components from a color
+ // see http://bugreports.qt.nokia.com/browse/QTBUG-14731
+ color: background != "" ? "transparent" : Qt.rgba(0.0, 0.0, 0.0, alpha)
+ state: 'hidden'
+
+ anchors.fill: parent
+
+ // eat mouse events
+ MouseArea {
+ id: mouseEventEater
+ anchors.fill: parent
+ enabled: faderBackground.alpha != 0.0
+ onClicked: { parent.privateClicked() }
+ }
+
+ Component {
+ id: backgroundComponent
+ BorderImage {
+ id: backgroundImage
+ source: background
+
+ width: faderBackground.width
+ height: faderBackground.height
+
+ opacity: faderBackground.alpha
+ }
+ }
+ Loader {id: backgroundLoader}
+
+ onAlphaChanged: {
+ if (background && faderBackground.alpha && backgroundLoader.sourceComponent == undefined) {
+ backgroundLoader.sourceComponent = backgroundComponent;
+ }
+ if (!faderBackground.alpha) {
+ backgroundLoader.sourceComponent = undefined;
+ }
+ }
+
+ function findRoot() {
+ var next = parent;
+
+ if (next != null) {
+ while (next.parent) {
+ if(next.objectName == "appWindowContent" || next.objectName == "windowContent"){
+ break
+ }
+
+ next = next.parent;
+ }
+ }
+ return next;
+ }
+
+
+ states: [
+ State {
+ name: "visible"
+ PropertyChanges {
+ target: faderBackground
+ alpha: dim
+ }
+ },
+ State {
+ name: "hidden"
+ PropertyChanges {
+ target: faderBackground
+ alpha: 0.0
+ }
+ }
+ ]
+
+ transitions: [
+ Transition {
+ from: "hidden"; to: "visible"
+ //reparent fader whenever it is going to be visible
+ SequentialAnimation {
+ ScriptAction {script: {
+ //console.log("=============00=============");
+ // the algorithm works in the following way:
+ // First: Check if visualParent property is set; if yes, center the fader in visualParent
+ // Second: If not, center inside window content element
+ // Third: If no window was found, use root window
+ originalParent = faderBackground.parent;
+ if (visualParent != null) {
+ faderBackground.parent = visualParent
+ } else {
+ var root = findRoot();
+ if (root != null) {
+ faderBackground.parent = root;
+ } else {
+ // console.log("Error: Cannot find root");
+ }
+ }
+ }
+ }
+ PauseAnimation { duration: fadeInDelay }
+
+ NumberAnimation {
+ properties: "alpha"
+ duration: faderBackground.fadeInDuration
+ easing.type: faderBackground.fadeInEasingType;
+ }
+ }
+ },
+ Transition {
+ from: "visible"; to: "hidden"
+ SequentialAnimation {
+ PauseAnimation { duration: fadeOutDelay }
+
+ NumberAnimation {
+ properties: "alpha"
+ duration: faderBackground.fadeOutDuration
+ easing.type: faderBackground.fadeOutEasingType;
+ }
+ ScriptAction {script: {
+ faderBackground.parent = originalParent;
+ }
+ }
+ }
+ }
+ ]
+}
+
+
+