MainPage.qml

/*******************************************************************************
**
** Copyright (C) 2022 ru.auroraos
**
** This file is part of the Фонарик для F+ R570Е project.
**
** 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 the copyright holder 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 HOLDER 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.
**
*******************************************************************************/

import QtQuick 2.0
import Sailfish.Silica 1.0
import Nemo.DBus 2.0
import QtMultimedia 5.6

Page {

    property bool flashlightOn

    objectName: "mainPage"
    allowedOrientations: Orientation.All

    PageHeader {
        id: header
        objectName: "pageHeader"
        title: qsTr("PPT Фонарик")
        extraContent.children: [
            IconButton {
                objectName: "aboutButton"
                icon.source: "image://theme/icon-m-about"
                anchors.verticalCenter: parent.verticalCenter

                onClicked: pageStack.push(Qt.resolvedUrl("AboutPage.qml"))
            }
        ]
    }
    Image {
        id: image
        anchors {
            horizontalCenter: parent.horizontalCenter
            verticalCenter: parent.verticalCenter
        }
        sourceSize.width: page.width
        fillMode: Image.PreserveAspectFit
        source: "../flashlight.png"
    }
    Button {
        id: action
        anchors{
            top: image.bottom
            horizontalCenter: parent.horizontalCenter
        }
        text: flashlightOn ? qsTr("ВКЛ") : qsTr("ВЫКЛ")
        onClicked: {
            toggleFlashlight()
        }
    }

    function toggleFlashlight() {
        flashlightOn = !flashlightOn;
        flashlight.typedCall("toggleFlashlight",[],function (result) {
            console.log('toggleFlashlight success: ' + result);
        },function (error) {
            console.log('toggleFlashlight error: ' + error)
        } );
    }

    BackgroundItem {
        DBusInterface {
            id: flashlight
            service: 'com.jolla.settings.system.flashlight'
            iface: 'com.jolla.settings.system.flashlight'
            path: '/com/jolla/settings/system/flashlight'
            bus: DBus.SessionBus
            signalsEnabled: true

            function flashlightOnChanged(stateOn) {
                flashlightOn = stateOn
            }
        }

        Component.onCompleted: {
            flashlightOn = flashlight.getProperty("flashlightOn")
        }
    }

    Connections{
        target: ppt

        onTogglePptState: {
            if (state === 1){
                toggleFlashlight()
            }
        }
    }
}