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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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**     the documentation and/or other materials provided with the
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import QtQuick 2.0
import QtCompositor 1.0
import "compositor.js" as CompositorLogic

Item {
    id: root

    property variant selectedWindow: null
    property bool hasFullscreenWindow: typeof compositor != "undefined" && compositor.fullscreenSurface !== null

    Image {
        id: background
        Behavior on opacity {
            NumberAnimation { easing.type: Easing.InCubic; duration: 400; }
        }
        anchors.fill: parent
        fillMode: Image.Tile
        source: "background.jpg"
        smooth: true
    }

    MouseArea {
        anchors.fill: parent
        onClicked: {
            root.selectedWindow = null
            root.focus = true
        }
    }

    MouseArea {
        anchors.right: parent.right
        anchors.bottom: parent.bottom
        width: 2
        height: 2
        hoverEnabled: true
        onEntered: {
            root.selectedWindow = null
            root.focus = true
        }
        z: 10
    }

    function windowAdded(window) {
        var windowContainerComponent = Qt.createComponent("WindowContainer.qml");
        if (windowContainerComponent.status != Component.Ready) {
            console.warn("Error loading WindowContainer.qml: " +  windowContainerComponent.errorString());
            return;
        }
        var windowContainer = windowContainerComponent.createObject(root);

        windowContainer.child = compositor.item(window);
        windowContainer.child.parent = windowContainer;
        windowContainer.child.touchEventsEnabled = true;

        windowContainer.targetWidth = window.size.width;
        windowContainer.targetHeight = window.size.height;

        var windowChromeComponent = Qt.createComponent("WindowChrome.qml");
        if (windowChromeComponent.status != Component.Ready) {
            console.warn("Error loading WindowChrome.qml: " + windowChromeComponent.errorString());
            return;
        }
        var windowChrome = windowChromeComponent.createObject(windowContainer.child);

        CompositorLogic.addWindow(windowContainer);

        windowContainer.opacity = 1
        windowContainer.animationsEnabled = true;
        windowContainer.chrome = windowChrome;
    }

    function windowResized(window) {
        window.width = window.surface.size.width;
        window.height = window.surface.size.height;

        CompositorLogic.relayout();
    }

    function removeWindow(window) {
        CompositorLogic.removeWindow(window);
        window.chrome.destroy();
        window.destroy();
    }

    onHeightChanged: CompositorLogic.relayout();
    onWidthChanged: CompositorLogic.relayout();
}
