WeatherDialog.h

/*
 File: WeatherDialog.h
 Created on: 24/11/2016
 Author: Felix de las Pozas Alvarez

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef WEATHERDIALOG_H_
#define WEATHERDIALOG_H_

// Project
#include <Utils.h>

// Qt
#include "ui_WeatherDialog.h"
#include <QDialog>
#include <qwebview.h>

// C++
#include <memory>

namespace QtCharts
{
  class QChartView;
  class QLineSeries;
}

class QWebView;

class TooltipWidget;

/** \class WeatherDialog
 * \brief Implements the dialog showing the current weather and the forecast.
 *
 */
class WeatherDialog
: public QDialog
, public Ui_WeatherDialog
{
    Q_OBJECT
  public:
    /** \brief WeatherDialog class constructor.
     * \param[in] parent pointer of the widget parent of this one.
     * \param[in] flags window flags.
     *
     */
    WeatherDialog(QWidget *parent = nullptr, Qt::WindowFlags flags = Qt::WindowFlags());

    /** \brief WeatherDialog class virtual destructor.
     *
     */
    virtual ~WeatherDialog()
    {};

    /** \brief Sets the weather and forecast data.
     * \param[in] current current weather data.
     * \param[in] data forecast data.
     * \param[in] config application configuration.
     *
     */
    void setData(const ForecastData &current, const Forecast &data, Configuration &config);

    /** \brief Returns true if the maps tab is visible and false otherwise.
     *
     */
    bool mapsEnabled() const;

  private slots:
    /** \brief Shows weather data when the user hovers on the temperature line.
     * \param[in] point hover point.
     * \param[in] state true when user has hovered over the series and false when hover has moved away from the series.
     *
     */
    void onChartHover(const QPointF &point, bool state);

    /** \brief Resets the chart's zoom to the original one.
     *
     */
    void onResetButtonPressed();

    /** \brief Updates the GUI when the user changes the tab.
     * \param[in] index index of the current tab.
     *
     */
    void onTabChanged(int index);

    /** \brief Shows the maps tab once it has finished loading.
     * \param[in] value true on load success and false otherwise.
     *
     */
    void onLoadFinished(bool value);

    /** \brief Shows/hides the maps tab.
     *
     */
    void onMapsButtonPressed();

    /** \brief Helper method to update the maps tab title on load progress.
     * \param[in] progress progress value in [0-100].
     *
     */
    void onLoadProgress(int progress);

    /** \brief Updates the state of the reset chart zoom button.
     *
     */
    void onAreaChanged();

  private:
    QtCharts::QChartView          *m_chartView;       /** chart view.                     */
    QtCharts::QLineSeries         *m_temperatureLine; /** temperature series line.        */
    const Forecast                *m_forecast;        /** forecast data for tooltip.      */
    Configuration                 *m_config;          /** configuration data for tooltip. */
    std::shared_ptr<TooltipWidget> m_tooltip;         /** tooltip widget.                 */
    QWebView                      *m_webpage;         /** maps webpage.                   */
};

#endif // WEATHERDIALOG_H_