Button.qml

/*
 * Copyright (C) 2019 Dan Leinir Turthra Jensen <[email protected]>
 *
 * This library 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; either
 * version 2.1 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 6 of version 3 of the license.
 *
 * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

import QtQuick 2.11
import QtQuick.Controls 2.11 as QtControls

import org.kde.newstuff 1.62 as NewStuff

QtControls.Button {
    id: component

    /*
     * The configuration file is not aliased, because then we end up initialising the
     * KNSCore::Engine immediately the Button is shown, which we want to avoid (as that
     * is effectively a phone-home scenario, and causes internet traffic in situations
     * where it would not seem likely that there should be any).
     * If we want, in the future, to add some status display to Button (such as "there
     * are updates to be had" or somesuch, then we can do this, but until that choice is
     * made, let's not)
     */
    property string configFile: ghnsDialog.configFile

    property string downloadNewWhat: i18ndc("knewstuff5", "Used to construct the button's label (which will become Download New 'this value'...)", "Stuff")
    text: i18nd("knewstuff5", "Download New %1...", downloadNewWhat)

    
    property alias viewMode: ghnsDialog.viewMode

    signal aboutToShowDialog();

    property alias engine: ghnsDialog.engine

    property var changedEntries
    Binding {
        target: component
        property: "changedEntries"
        value: ghnsDialog.engine.changedEntries
    }

    property bool visibleWhenDisabled: false

    function showDialog() {
        if (ghnsDialog.engine.allowedByKiosk) {
            ghnsDialog.engine.configFile = component.configFile
            component.aboutToShowDialog();
            ghnsDialog.open();
        } else {
            // make some noise, because silently doing nothing is a bit annoying
        }
    }

    onClicked: { showDialog(); }

    icon.name: "get-hot-new-stuff"
    visible: enabled || visibleWhenDisabled
    enabled: ghnsDialog.engine.allowedByKiosk
    onEnabledChanged: {
        // If the user resets this when kiosk has disallowed ghns, force enabled back to false
        if (enabled === true && ghnsDialog.engine.allowedByKiosk === false) {
            enabled = false;
        }
    }

    NewStuff.Dialog {
        id: ghnsDialog
    }
}