/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/1.2/PageWrapper.qml is in qml-module-ubuntu-components-gles 1.3.1918+16.04.20160404-0ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | /*
* Copyright 2012 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import QtQuick 2.4
import "PageWrapperUtils.js" as Utils
/*!
\internal
\qmltype PageWrapper
\inqmlmodule Ubuntu.Components 1.1
\ingroup ubuntu
\brief Internal class used by \l PageStack
*/
PageTreeNode {
id: pageWrapper
anchors.fill: parent
/*!
The reference to the page object. This can be the page
itself (which is an Item), but also a url pointing to a QML file.
*/
property var reference
/*!
The initialized page object, or null if the object needs to be created.
*/
property Item object: null
/*!
This variable will be true if \l object holds an object that was created
from the given reference, and thus can be destroyed when no the page is deactivated.
*/
property bool canDestroy: false
/*!
This value is updated when a PageWrapper is pushed to/popped from a PageStack.
*/
active: false
/*!
\internal
*/
onActiveChanged: {
if (reference) {
if (pageWrapper.active) Utils.activate(pageWrapper);
else Utils.deactivate(pageWrapper);
}
}
visible: active
/*!
Properties are use to initialize a new object, or if reference
is already an object, properties are copied to the object when activated.
Set properties before setting the reference.
*/
property var properties
/*!
\internal
*/
onReferenceChanged: {
Utils.deactivate(pageWrapper);
if (pageWrapper.object) pageWrapper.object = null;
Utils.initPage(pageWrapper);
if (pageWrapper.active && reference) {
Utils.activate(pageWrapper);
}
}
/*!
\internal
*/
Component.onDestruction: {
Utils.deactivate(pageWrapper);
if (pageWrapper.canDestroy) Utils.destroyObject(pageWrapper);
}
/*!
\internal
Destroy \l object. Only call this function if \l canDestroy
*/
function destroyObject() {
Utils.destroyObject(pageWrapper);
}
}
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