amnezia-client/client/ui/qml/main.qml

import QtQuick 2.14
import QtQuick.Window 2.14
import QtQuick.Controls 2.12
import QtQuick.Controls.Material 2.12
import PageEnum 1.0
import PageType 1.0
import Qt.labs.platform 1.1
import Qt.labs.folderlistmodel 2.12
import QtQuick.Dialogs 1.1
import "./"
import "Pages"
import "Pages/Protocols"
import "Pages/Share"
import "Config"

Window  {
    property var pages: ({})
    property var protocolPages: ({})
    property var sharePages: ({})

    id: root
    visible: true
    width: GC.screenWidth
    height: GC.isDesktop() ? GC.screenHeight + titleBar.height : GC.screenHeight
    Keys.enabled: true
    onClosing: {
        console.debug("QML onClosing signal")
        UiLogic.onCloseWindow()
    }

    title: "AmneziaVPN"

    function gotoPage(type, page, reset, slide) {

        let p_obj;
        if (type === PageType.Basic) p_obj = pages[page]
        else if (type === PageType.Proto) p_obj = protocolPages[page]
        else if (type === PageType.ShareProto) p_obj = sharePages[page]
        else return

        console.debug("QML gotoPage " + type + " " + page + " " + p_obj)

        if (pageLoader.depth > 0) {
            pageLoader.currentItem.deactivated()
        }

        if (slide) {
            pageLoader.push(p_obj, {}, StackView.PushTransition)
        } else {
            pageLoader.push(p_obj, {}, StackView.Immediate)
        }

        if (reset) {
            p_obj.logic.onUpdatePage();
        }

        p_obj.activated(reset)
    }

    function close_page() {
        if (pageLoader.depth <= 1) {
            return
        }
        pageLoader.currentItem.deactivated()
        pageLoader.pop()
    }

    function set_start_page(page, slide) {
        if (pageLoader.depth > 0) {
            pageLoader.currentItem.deactivated()
        }

        pageLoader.clear()
        if (slide) {
            pageLoader.push(pages[page], {}, StackView.PushTransition)
        } else {
            pageLoader.push(pages[page], {}, StackView.Immediate)
        }
        if (page === PageEnum.Start) {
            UiLogic.pushButtonBackFromStartVisible = !pageLoader.empty
            UiLogic.onUpdatePage();
        }
    }

    TitleBar {
        id: titleBar
        anchors.top: root.top
        visible: GC.isDesktop()
        DragHandler {
            grabPermissions: TapHandler.CanTakeOverFromAnything
            onActiveChanged: {
                if (active) {
                    root.startSystemMove();
                }
            }
            target: null
        }
        onCloseButtonClicked: {
            if (UiLogic.currentPageValue === PageEnum.Start ||
                    UiLogic.currentPageValue === PageEnum.NewServer) {
                Qt.quit()
            } else {
                root.hide()
            }
        }
    }

    Rectangle {
        y: GC.isDesktop() ? titleBar.height : 0
        anchors.fill: parent
        color: "white"
    }

    StackView {
        id: pageLoader
        y: GC.isDesktop() ? titleBar.height : 0
        anchors.fill: parent
        focus: true

        onCurrentItemChanged: {
            console.debug("QML onCurrentItemChanged " + pageLoader.currentItem)
            UiLogic.currentPageValue = currentItem.page
        }

        onDepthChanged: {
            UiLogic.pagesStackDepth = depth
        }

        Keys.onPressed: {
            UiLogic.keyPressEvent(event.key)
            event.accepted = true
        }
    }

    FolderListModel {
        id: folderModelPages
        folder: "qrc:/ui/qml/Pages/"
        nameFilters: ["*.qml"]
        showDirs: false

        onStatusChanged: if (status == FolderListModel.Ready) {
                             for (var i=0; i<folderModelPages.count; i++) {
                                 createPagesObjects(folderModelPages.get(i, "filePath"), PageType.Basic);
                             }
                             UiLogic.initalizeUiLogic()
                         }
    }

    FolderListModel {
        id: folderModelProtocols
        folder: "qrc:/ui/qml/Pages/Protocols/"
        nameFilters: ["*.qml"]
        showDirs: false

        onStatusChanged: if (status == FolderListModel.Ready) {
                             for (var i=0; i<folderModelProtocols.count; i++) {
                                 createPagesObjects(folderModelProtocols.get(i, "filePath"), PageType.Proto);
                             }
        }
    }

    FolderListModel {
        id: folderModelShareProtocols
        folder: "qrc:/ui/qml/Pages/Share/"
        nameFilters: ["*.qml"]
        showDirs: false

        onStatusChanged: if (status == FolderListModel.Ready) {
                             for (var i=0; i<folderModelShareProtocols.count; i++) {
                                 createPagesObjects(folderModelShareProtocols.get(i, "filePath"), PageType.ShareProto);
                             }
        }
    }

    function createPagesObjects(file, type) {
        if (file.indexOf("Base") !== -1) return; // skip Base Pages
        //console.debug("Creating compenent " + file + " for " + type);

        var c = Qt.createComponent("qrc" + file);

        var finishCreation = function (component){
            if (component.status === Component.Ready) {
                var obj = component.createObject(root);
                if (obj === null) {
                    console.debug("Error creating object " + component.url);
                }
                else {
                    obj.visible = false
                    if (type === PageType.Basic) {
                        pages[obj.page] = obj
                    }
                    else if (type === PageType.Proto) {
                        protocolPages[obj.protocol] = obj
                    }
                    else if (type === PageType.ShareProto) {
                        sharePages[obj.protocol] = obj
                    }

                    //console.debug("Created compenent " + component.url + " for " + type);
                }
            } else if (component.status === Component.Error) {
                console.debug("Error loading component:", component.errorString());
            }
        }

        if (c.status === Component.Ready)
            finishCreation(c);
        else {
            console.debug("Warning: Pages components are not ready");
        }
    }

    Connections {
        target: UiLogic
        function onGoToPage(page, reset, slide) {
            console.debug("Qml Connections onGoToPage " + page);
            root.gotoPage(PageType.Basic, page, reset, slide)
        }
        function onGoToProtocolPage(protocol, reset, slide) {
            console.debug("Qml Connections onGoToProtocolPage " + protocol);
            root.gotoPage(PageType.Proto, protocol, reset, slide)
        }
        function onGoToShareProtocolPage(protocol, reset, slide) {
            console.debug("Qml Connections onGoToShareProtocolPage " + protocol);
            root.gotoPage(PageType.ShareProto, protocol, reset, slide)
        }


        function onClosePage() {
            root.close_page()
        }
        function onSetStartPage(page, slide) {
            root.set_start_page(page, slide)
        }
        function onShowPublicKeyWarning() {
            publicKeyWarning.visible = true
        }
        function onShowConnectErrorDialog() {
            connectErrorDialog.visible = true
        }
        function onShow() {
            root.show()
        }
        function onHide() {
            root.hide()
        }
        function onRaise() {
            root.show()
            root.raise()
            root.requestActivate()
        }
    }

    MessageDialog {
        id: closePrompt
//        x: (root.width - width) / 2
//        y: (root.height - height) / 2
        title: qsTr("Exit")
        text: qsTr("Do you really want to quit?")
        standardButtons: StandardButton.Yes | StandardButton.No
        onYes: {
            Qt.quit()
        }
        visible: false
    }
    MessageDialog {
        id: publicKeyWarning
        title: "AmneziaVPN"
        text: qsTr("It's public key. Private key required")
        visible: false
    }
    MessageDialog {
        id: connectErrorDialog
        title: "AmneziaVPN"
        text: UiLogic.dialogConnectErrorText
        visible: false
    }
}