googlesuggest.hpp Example File

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    #ifndef GOOGLESUGGEST_HPP
    #define GOOGLESUGGEST_HPP

    #include <bb/cascades/QListDataModel>

    #include <QtCore/QObject>
    #include <QtNetwork/QNetworkAccessManager>

    class QNetworkReply;

    class GoogleSuggest: public QObject
    {
        Q_OBJECT

        // This property is used to set the input text from the UI
        Q_PROPERTY(QString input READ input WRITE setInput NOTIFY inputChanged)

        // This property makes the model that contains the results available to the UI
        Q_PROPERTY(bb::cascades::DataModel* model READ model CONSTANT)

    public:
        GoogleSuggest();

        // The accessor methods for the properties
        QString input() const;
        void setInput(const QString &input);

        bb::cascades::DataModel* model() const;

    Q_SIGNALS:
        // The change notification signal of the property
        void inputChanged();

        // This signal is emitted to trigger the ListView to clear its selection
        void clearSelection();

    private Q_SLOTS:
        // This method starts the actual query to the Google web service
        void autoSuggest();

        // This method is called when the query provides new data
        void handleNetworkData(QNetworkReply *reply);

        // This method adds the parsed choices/hits information to the data model
        void showCompletions(const QStringList &choices, const QStringList &hits);

    private:
        // The data model that contains the choices/hits information
        mutable bb::cascades::QMapListDataModel m_model;

        // The network manager that handles the communication with the web service
        QNetworkAccessManager m_networkManager;

        // The time object to delay the start of the query
        QTimer m_timer;

        // The data the user has typed in
        QString m_input;
    };

    #endif