harbour-seaprint/qml/pages/FirstPage.qml

import QtQuick 2.0
import Sailfish.Silica 1.0
import Sailfish.Pickers 1.0
import seaprint.ippdiscovery 1.0
import seaprint.ippprinter 1.0
import "utils.js" as Utils
import Nemo.DBus 2.0

Page {
    id: page
    allowedOrientations: Orientation.All

    property string selectedFile: "/home/nemo/Downloads/1.pdf"
    property string currentSSID: ""

    onCurrentSSIDChanged: {
        console.log(currentSSID);
        if(currentSSID != "") {
            var favourites = db.getFavourites(currentSSID);
            console.log(favourites);
            discovery.favourites = favourites;
        }
        else {
            discovery.favourites = []
        }
    }

    IppDiscovery {
        id: discovery
    }

    DBusInterface {
        id: ssid_finder

        bus: DBus.SystemBus

        service: 'net.connman'
        path: '/'
        iface: 'net.connman.Manager'

        signalsEnabled: true

        function servicesChanged() {
            console.log("services changed");
            go();
        }

        function go() {
            call("GetServices", undefined,
                 function(result) {
                     for (var i = 0; i < result.length; i++) {
                         var entry = result[i][1];
                         if(entry.Type == "wifi" && (entry.State == "online" || entry.State == "ready")) {
                             page.currentSSID = entry.Name;
                             return;
                         }
                     }
                     page.currentSSID = "";
                 },
                 function(error, message) {
                     console.log('call failed', error, 'message:', message);
                     page.currentSSID = entry.Name;
                 })
        }

    }

    Component.onCompleted: {
        discovery.discover();
        ssid_finder.go();
    }

    // To enable PullDownMenu, place our content in a SilicaFlickable
    SilicaFlickable {
        anchors.fill: parent

        // PullDownMenu and PushUpMenu must be declared in SilicaFlickable, SilicaListView or SilicaGridView
        PullDownMenu {
            MenuItem {
                text: qsTr("Add by URL")
                enabled: currentSSID != ""
                onClicked: {
                    var dialog = pageStack.push(Qt.resolvedUrl("AddPrinterDialog.qml"),
                                                {ssid: currentSSID, title: qsTr("URL")});
                        dialog.accepted.connect(function() {
                            db.addFavourite(page.currentSSID, dialog.value);
                            discovery.favourites = db.getFavourites(page.currentSSID);
                    })
                }
            }
            MenuItem {
                text: qsTr("Refresh")
                onClicked: {
                    discovery.discover();
                    ssid_finder.go();
                }
            }
        }

        SilicaListView {
            anchors.fill: parent
            id: listView
            model: discovery
            spacing: Theme.paddingSmall


            delegate: BackgroundItem {
                id: delegate
                height: visible ? Math.max(column.implicitHeight, Theme.itemSizeLarge+2*Theme.paddingMedium) : 0
                visible: printer.attrs["printer-name"] ? true : false
                enabled: Utils.can_print(printer, selectedFile)
                onClicked: {
                    if(selectedFile != "")
                    {
                        pageStack.push(Qt.resolvedUrl("PrinterPage.qml"), {printer: printer, selectedFile: selectedFile})
                    }
                    else
                    {
                        notifier.notify(qsTr("No file selected"))
                    }
                }

                IppPrinter {
                    id: printer
                    url: model.display
                }

                Image {
                    id: icon
                    anchors.top: parent.top
                    anchors.left: parent.left
                    anchors.topMargin: Theme.paddingMedium
                    anchors.leftMargin: Theme.paddingMedium

                    height: Theme.itemSizeLarge
                    width: Theme.itemSizeLarge
                    source: printer.attrs["printer-icons"] ? printer.attrs["printer-icons"].value[0] : "printer.svg"
                    // Some printers serve their icons over https with invalid certs...
                    onStatusChanged: if (status == Image.Error) source = "printer.svg"
                }

                Column {
                    id: column
                    anchors.left: icon.right
                    anchors.leftMargin: Theme.paddingMedium

                    Label {
                        id: name_label
                        color: delegate.enabled ? Theme.primaryColor : Theme.secondaryColor
                        text: printer.attrs["printer-name"].value
                    }

                    Label {
                        id: mm_label
                        color: delegate.enabled ? Theme.primaryColor : Theme.secondaryColor
                        font.pixelSize: Theme.fontSizeExtraSmall
                        text: printer.attrs["printer-make-and-model"].value
                    }

                    Label {
                        id: uri_label
                        color: Theme.secondaryColor
                        font.pixelSize: Theme.fontSizeTiny
                        text: model.display
                    }

                    Label {
                        id: format_label
                        color: delegate.enabled ? Theme.primaryColor : "red"
                        font.pixelSize: Theme.fontSizeExtraSmall
                        text: Utils.supported_formats(printer)
                    }
                }

            }
            onCountChanged: {
                console.log("count", count)
            }
        }
    }
    DockedPanel {
        id: fileDock
        open: true
        height: fileButton.height*2
        width: parent.width
        dock: Dock.Bottom

        ValueButton {
            id: fileButton
            width: parent.width
            anchors.verticalCenter: parent.verticalCenter
            label: qsTr("Choose file")
            value: selectedFile != "" ? selectedFile : qsTr("None")
            onClicked: pageStack.push(filePickerPage)
        }
        Component {
            id: filePickerPage
            FilePickerPage {
                title: fileButton.label
                nameFilters: ["*.pdf", "*.jpg", "*.jpeg"]

                onSelectedContentPropertiesChanged: {
                    page.selectedFile = selectedContentProperties.filePath
                }
            }
        }
    }
}