AbstractApplicationItem.qml

/*
 *   Copyright 2017 Marco Martin <mart@kde.org>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as
 *   published by the Free Software Foundation; either version 2 or
 *   (at your option) any later version.
 *
 *   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 Library General Public License for more details
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this program; if not, write to the
 *   Free Software Foundation, Inc.,
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

import QtQuick 2.5
import QtQuick.Templates 2.0 as T2
import QtQuick.Window 2.2
import "templates/private"
import org.kde.kirigami 2.4
import QtGraphicalEffects 1.0

Item {
    id: root

    property Item pageStack
    LayoutMirroring.enabled: Qt.application.layoutDirection == Qt.RightToLeft 
    LayoutMirroring.childrenInherit: true

    property alias overlay: overlayRoot
    Item {
        anchors.fill: parent
        parent: root.parent || root
        z: 999999
        Rectangle {
            z: -1
            anchors.fill: parent
            color: "black"
            visible: contextDrawer && contextDrawer.modal
            parent: contextDrawer ? contextDrawer.background.parent.parent : overlayRoot
            opacity: contextDrawer ? contextDrawer.position * 0.6 : 0
        }
        Rectangle {
            z: -1
            anchors.fill: parent
            color: "black"
            visible: globalDrawer && globalDrawer.modal
            parent: contextDrawer ? globalDrawer.background.parent.parent : overlayRoot
            opacity: contextDrawer ? globalDrawer.position * 0.6 : 0
        }
        Item {
            id: overlayRoot
            z: -1
            anchors.fill: parent
        }
        Window.onWindowChanged: {
            if (globalDrawer) {
                globalDrawer.visible = globalDrawer.drawerOpen;
            }
            if (contextDrawer) {
                contextDrawer.visible = contextDrawer.drawerOpen;
            }
        }
    }

    readonly property Item activeFocusItem: Window.activeFocusItem
    function showPassiveNotification(message, timeout, actionText, callBack) {
        if (!internal.__passiveNotification) {
            var component = Qt.createComponent("templates/private/PassiveNotification.qml");
            internal.__passiveNotification = component.createObject(overlay.parent);
        }

        internal.__passiveNotification.showNotification(message, timeout, actionText, callBack);
    }

    function hidePassiveNotification() {
        if(internal.__passiveNotification) {
           internal.__passiveNotification.hideNotification();
        }
    }


    function applicationWindow() {
        return root;
    }

    property Item header
    onHeaderChanged: header.parent = contentItemRoot

    property Item footer
    onFooterChanged: footer.parent = contentItemRoot

    property bool controlsVisible: true

    property OverlayDrawer globalDrawer

    property bool wideScreen: width >= Units.gridUnit * 60

    property OverlayDrawer contextDrawer

    property bool reachableMode: false

    property bool reachableModeEnabled: true
    
    MouseArea {
        parent: contentItem.parent
        z: -1
        anchors.fill: parent
        onClicked: root.reachableMode = false;
        visible: root.reachableMode && root.reachableModeEnabled
        Rectangle {
            anchors.fill: parent
            color: Qt.rgba(0, 0, 0, 0.3)
            opacity: 0.15
            Icon {
                anchors.horizontalCenter: parent.horizontalCenter
                y: x
                width: Units.iconSizes.large
                height: width
                source: "go-up"
            }
        }
    }

    default property alias __data: contentItemRoot.data
    readonly property Item contentItem: Item {
        id: contentItemRoot
        parent: root
        anchors.fill: parent

        anchors {
            left: contentItem.parent.left
            right: contentItem.parent.right
            topMargin: header && controlsVisible ? header.height : 0
            leftMargin: root.globalDrawer && (root.globalDrawer.modal === false) ? root.globalDrawer.contentItem.width * root.globalDrawer.position : 0
            rightMargin: root.contextDrawer && root.contextDrawer.modal === false ? root.contextDrawer.contentItem.width * root.contextDrawer.position : 0
        }
        
        transform: Translate {
            Behavior on y {
                NumberAnimation {
                    duration: Units.longDuration
                    easing.type: Easing.InOutQuad
                }
            }
            y: root.reachableMode && root.reachableModeEnabled && !root.wideScreen ? root.height/2 : 0
            x: root.globalDrawer && root.globalDrawer.modal === true && root.globalDrawer.toString().indexOf("SplitDrawer") === 0 ? root.globalDrawer.contentItem.width * root.globalDrawer.position : 0
        }

        Binding {
            when: root.header
            target: root.header
            property: "y"
            value: root.header ? -root.header.height : 0
        }
    }

    //Don't want overscroll in landscape mode
    onWidthChanged: {
        if (width > height) {
            root.reachableMode = false;
        }
    }

    Binding {
        when: globalDrawer !== undefined && root.visible
        target: globalDrawer
        property: "parent"
        value: overlay
    }
    Binding {
        when: contextDrawer !== undefined && root.visible
        target: contextDrawer
        property: "parent"
        value: overlay
    }
    onPageStackChanged: pageStack.parent = contentItem;

    implicitWidth: Units.gridUnit * 30
    implicitHeight: Units.gridUnit * 45
    visible: true

    QtObject {
        id: internal
        property Item __passiveNotification
    }
}