kdeconnect-kde/declarativeplugin/qml/DBusProperty.qml
2019-03-23 17:29:26 +01:00

69 lines
2 KiB
QML

/**
* Copyright 2016 Aleix Pol Gonzalez <aleixpol@kde.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import QtQml 2.2
import org.kde.kdeconnect 1.0
QtObject {
id: prop
property QtObject object: null
property string read
property string change: read+"Changed"
Component.onCompleted: get();
onChangeChanged: {
if (object) {
var theSignal = object[change];
if (theSignal) {
theSignal.connect(valueReceived);
} else {
console.warn("couldn't find signal", change, "for", object)
}
}
}
function valueReceived(val) {
if (!val) {
get();
} else {
_value = val;
}
}
property var defaultValue
property var _value: defaultValue
readonly property var value: _value
readonly property var v: DBusAsyncResponse {
id: response
autoDelete: false
onSuccess: {
prop._value = result;
}
onError: {
console.warn("failed call", object, read, write, change)
}
}
function get() {
response.setPendingCall(object[read]());
}
}