/***
  This file is part of pavucontrol.

  Copyright 2006-2008 Lennart Poettering
  Copyright 2009 Colin Guthrie

  pavucontrol 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 2 of the License, or
  (at your option) any later version.

  pavucontrol 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 pavucontrol. If not, see <http://www.gnu.org/licenses/>.
***/

#ifndef minimalstreamwidget_h
#define minimalstreamwidget_h

#include "pavucontrol.h"

class MinimalStreamWidget : public Gtk::VBox {
public:
    MinimalStreamWidget(BaseObjectType* cobject);

    /* Subclass constructors are expected to initialize these variables.
     * MinimalStreamWidget can't initialize these, because the glade object
     * id's depend on the subclass type. */
    Gtk::VBox *channelsVBox;
    Gtk::Label *nameLabel, *boldNameLabel;
    Gtk::Image *iconImage;

    Gtk::ProgressBar peakProgressBar;
    double lastPeak;
    pa_stream *peak;

    bool updating;

    virtual void onMuteToggleButton() = 0;
    virtual void onLockToggleButton() = 0;
    virtual void updateChannelVolume(int channel, pa_volume_t v) = 0;

    bool volumeMeterEnabled;
    void enableVolumeMeter();
    void updatePeak(double v);
    void setVolumeMeterVisible(bool v);

protected:
    /* Subclasses must call this after the constructor to finalize the initial
     * layout. */
    virtual void init();

private :
    bool volumeMeterVisible;

};

#endif