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/*
* -*- Mode:Vala; indent-tabs-mode:t; tab-width:4; encoding:utf8 -*-
* Copyright © 2015 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/>.
*
* Authors:
* Ted Gould <ted@canonical.com>
*/
public abstract class VolumeControl : Object
{
public enum VolumeReasons {
PULSE_CHANGE,
ACCOUNTS_SERVICE_SET,
DEVICE_OUTPUT_CHANGE,
USER_KEYPRESS,
VOLUME_STREAM_CHANGE
}
public class Volume : Object {
public double volume;
public VolumeReasons reason;
}
public virtual string stream { get { return ""; } }
public virtual bool ready { get { return false; } set { } }
public virtual bool active_mic { get { return false; } set { } }
public virtual bool high_volume { get { return false; } protected set { } }
public virtual bool mute { get { return false; } }
public virtual bool is_playing { get { return false; } }
private Volume _volume;
public virtual Volume volume { get { return _volume; } set { } }
public virtual double mic_volume { get { return 0.0; } set { } }
public virtual double max_volume { get { return 1.0; } protected set { } }
public virtual bool high_volume_approved { get { return false; } protected set { } }
public virtual void approve_high_volume() { }
public virtual void clamp_to_high_volume() { }
public abstract void set_mute (bool mute);
public void set_volume_clamp (double unclamped, VolumeControl.VolumeReasons reason) {
var v = new VolumeControl.Volume();
v.volume = unclamped.clamp (0.0, this.max_volume);
v.reason = reason;
this.volume = v;
}
}
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