~nick-dedekind/+junk/unity8.tabs.MainView

/*

 * Copyright (C) 2013 Canonical, Ltd.

 *

 * 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; version 3.

 *

 * 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/>.

 *

 * Author: Nick Dedekind <nick.dedekind@canonical.com>

 */

#ifndef MENUCONTENTACTIVATOR_H

#define MENUCONTENTACTIVATOR_H

#include "unityindicatorsglobal.h"

#include <QObject>

#include <QTimer>

#include <QQmlListProperty>

namespace UnityIndicators {

/* Defines an interface for a Timer. */

class UNITYINDICATORS_EXPORT AbstractTimer : public QObject {

    Q_OBJECT

public:

    AbstractTimer(QObject *parent) : QObject(parent), m_isRunning(false) {}

    virtual int interval() const = 0;

    virtual void setInterval(int msecs) = 0;

    virtual void start() { m_isRunning = true; };

    virtual void stop() { m_isRunning = false; }

    bool isRunning() const { return m_isRunning; }

Q_SIGNALS:

    void timeout();

private:

    bool m_isRunning;

};

}

/* Defines a object to express the active state of a menu. */

class UNITYINDICATORS_EXPORT MenuContentState : public QObject

{

    Q_OBJECT

    Q_PROPERTY(bool active READ isActive NOTIFY activeChanged)

public:

    MenuContentState(bool active);

    bool isActive() const;

    void setActive(bool active);

Q_SIGNALS:

    void activeChanged();

private:

    bool m_active;

};

class MenuContentActivatorPrivate;

class UNITYINDICATORS_EXPORT MenuContentActivator : public QObject

{

    Q_OBJECT

    Q_PROPERTY(int baseIndex READ baseIndex WRITE setBaseIndex NOTIFY baseIndexChanged)

    Q_PROPERTY(bool running READ isRunning WRITE setRunning NOTIFY runningChanged)

    Q_PROPERTY(int count READ count WRITE setCount NOTIFY countChanged)

    Q_PROPERTY(QQmlListProperty<MenuContentState> content READ content NOTIFY contentChanged DESIGNABLE false)

public:

    MenuContentActivator(QObject* parent = NULL);

    ~MenuContentActivator();

    Q_INVOKABLE void restart();

    Q_INVOKABLE void stop();

    Q_INVOKABLE void clear();

    Q_INVOKABLE bool isMenuContentActive(int index) const;

    void setRunning(bool running);

    bool isRunning() const;

    void setBaseIndex(int index);

    int baseIndex() const;

    void setCount(int index);

    int count() const;

    void setDelta(int index);

    int delta() const;

    QQmlListProperty<MenuContentState> content();

    // Replaces the existing Timer with the given one.

    //

    // Useful for providing a fake timer when testing.

    void setContentTimer(UnityIndicators::AbstractTimer *timer);

    void setMenuContentState(int index, bool active);

Q_SIGNALS:

    void baseIndexChanged(int baseIndex);

    void deltaChanged(int delta);

    void runningChanged(bool running);

    void countChanged(int count);

    void contentChanged();

private Q_SLOTS:

    void onTimeout();

private:

    MenuContentActivatorPrivate* d;

    friend class MenuContentActivatorPrivate;

};

#endif // MENUCONTENTACTIVATOR_H