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** This file is part of the examples of the Qt Toolkit.
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import QtQuick 2.0
import "tweetsearch.js" as Helper
import QtQuick.Controls 1.4

Rectangle {
    id: id_TwitterRoot
    width: parent ? parent.width : 0
    height: parent ? parent.height : 0
    color: GUI20Skin.colorFrameBackground

    property int inAnimDur: 250
    property int counter: 0
    property alias isLoading: tweetsModel.isLoading
    property var idx
    property var ids

    Component.onCompleted: ids = new Array()

    function idInModel(id)
    {
        for (var j = 0; j < ids.length; j++)
            if (ids[j] === id)
                return 1
        return 0
    }

    TweetsModel {
        id: tweetsModel
        onIsLoaded: {
            console.debug("Reload")
            idx = new Array()
            for (var i = 0; i < tweetsModel.model.count; i++) {
                var id = tweetsModel.model.get(i).id
                if (!idInModel(id))
                    idx.push(i)
            }
            console.debug(idx.length + " new tweets")
            id_TwitterRoot.counter = idx.length
        }
    }

    Timer {
        id: timer
        interval: 500; running: id_TwitterRoot.counter; repeat: true
        onTriggered: {
            id_TwitterRoot.counter--;
            var id = tweetsModel.model.get(idx[id_TwitterRoot.counter]).id;
            var item = tweetsModel.model.get(id_TwitterRoot.counter);
            if(item.retweeted_status != undefined){
                item = item.retweeted_status;
            }
            mainListView.add( { "statusText": Helper.insertLinks(item.text, item.entities),
                                "twitterName": item.user.screen_name,
                                "name" : item.user.name,
                                "userImage": item.user.profile_image_url,
                                "source": item.source,
                                "id": id,
                                 "uri": Helper.insertLinks(item.user.url, item.user.entities),
                                "published": item.created_at } );
            ids.push(id)
        }
    }

    Timer  {
        id: refreshTwitterFeedTimer
        interval: 600000;
        running: true;
        repeat: true;
        onTriggered: tweetsModel.reload()
    }

    ScrollView {
        id: mainScrollView
        anchors.fill: id_TwitterRoot

        ListView {
            id: mainListView
            anchors.fill: mainScrollView
            delegate: TweetDelegate { }
            model: ListModel { id: finalModel }

            add: Transition {
                NumberAnimation { property: "hm"; from: 0; to: 1.0; duration: 300; easing.type: Easing.OutQuad }
                PropertyAction { property: "appear"; value: 250 }
            }

            onDragEnded: tweetsModel.reload()

            function clear() {
                ids = new Array()
                model.clear()
            }

            function add(obj) {
                model.insert(0, obj)
            }
        }
    }
}
