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Diffstat (limited to 'src/options-gsettings.vala')
| -rw-r--r-- | src/options-gsettings.vala | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/options-gsettings.vala b/src/options-gsettings.vala new file mode 100644 index 0000000..a524390 --- /dev/null +++ b/src/options-gsettings.vala @@ -0,0 +1,104 @@ +/* + * -*- 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: + * Charles Kerr <charles.kerr@canonical.com> + */ + +using PulseAudio; + +public class IndicatorSound.OptionsGSettings : Options +{ + public OptionsGSettings() { + init_max_volume(); + init_loud_volume(); + } + + ~OptionsGSettings() { + } + + private Settings _settings = new Settings ("com.canonical.indicator.sound"); + private Settings _shared_settings = new Settings ("com.ubuntu.sound"); + + /** MAX VOLUME PROPERTY **/ + + private void init_max_volume() { + _settings.changed["normal-volume-decibels"].connect(() => update_max_volume()); + _settings.changed["amplified-volume-decibels"].connect(() => update_max_volume()); + _shared_settings.changed["allow-amplified-volume"].connect(() => update_max_volume()); + update_max_volume(); + } + private void update_max_volume () { + set_max_volume_(calculate_max_volume()); + } + protected void set_max_volume_ (double vol) { + if (max_volume != vol) { + debug("changing max_volume from %f to %f", this.max_volume, vol); + max_volume = vol; + } + } + private double calculate_max_volume () { + unowned string decibel_key = _shared_settings.get_boolean("allow-amplified-volume") + ? "amplified-volume-decibels" + : "normal-volume-decibels"; + var volume_dB = _settings.get_double(decibel_key); + var volume_sw = PulseAudio.Volume.sw_from_dB (volume_dB); + return VolumeControlPulse.volume_to_double (volume_sw); + } + + + /** LOUD VOLUME **/ + + private PulseAudio.Volume _loud_volume; + + public override PulseAudio.Volume loud_volume() { + return _loud_volume; + } + + private bool _loud_volume_warning_enabled; + + public override bool loud_volume_warning_enabled() { + return _loud_volume_warning_enabled; + } + + private string loud_enabled_key = "warning-volume-enabled"; + private string loud_decibel_key = "warning-volume-decibels"; + + private void init_loud_volume() { + _settings.changed[loud_enabled_key].connect(() => update_loud_volume()); + _settings.changed[loud_decibel_key].connect(() => update_loud_volume()); + update_loud_volume(); + } + private void update_loud_volume() { + var changed = false; + var vol = PulseAudio.Volume.sw_from_dB (_settings.get_double (loud_decibel_key)); + var enabled = _settings.get_boolean(loud_enabled_key); + + if (_loud_volume != vol) { + debug("updating loud_volume_sw to %d", (int)vol); + _loud_volume = vol; + changed = true; + } + if (_loud_volume_warning_enabled != enabled) { + debug("updating loud_volume_warning_enabled to %d", (int)enabled); + _loud_volume_warning_enabled = enabled; + changed = true; + } + + if (changed) + loud_changed(); + } +} |