source: trunk/examples/declarative/modelviews/webview/alerts.qml

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import QtQuick 1.0
import QtWebKit 1.0

WebView {
    id: webView
    width: 200
    height: 150
    url: "alerts.html"

    onAlert: popup.show(message)

    Rectangle {
        id: popup

        color: "red"
        border.color: "black"; border.width: 2
        radius: 4

        y: parent.height // off "screen"
        anchors.horizontalCenter: parent.horizontalCenter
        width: label.width + 5
        height: label.height + 5

        opacity: 0

        function show(text) {
            label.text = text
            popup.state = "visible"
            timer.start()
        }
        states: State {
            name: "visible"
            PropertyChanges { target: popup; opacity: 1 }
            PropertyChanges { target: popup; y: (webView.height-popup.height)/2 }
        }

        transitions: [
            Transition { from: ""; PropertyAnimation { properties: "opacity,y"; duration: 65 } },
            Transition { from: "visible"; PropertyAnimation { properties: "opacity,y"; duration: 500 } }
        ]

        Timer {
            id: timer
            interval: 1000

            onTriggered: popup.state = ""
        }

        Text {
            id: label
            anchors.centerIn: parent
            width: webView.width  *0.75

            color: "white"
            font.pixelSize: 20
            wrapMode: Text.WordWrap
            horizontalAlignment: Text.AlignHCenter
            smooth: true
        }
    }
}