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audio_controller.go
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audio_controller.go
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/*
* Copyright (C) 2016 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: jouyouyun <jouyouwen717@gmail.com>
*
* 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
* 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/>.
*/
package keybinding
import (
"github.com/godbus/dbus"
"github.com/linuxdeepin/go-dbus-factory/com.deepin.daemon.audio"
"github.com/linuxdeepin/go-dbus-factory/com.deepin.daemon.helper.backlight"
. "pkg.deepin.io/dde/daemon/keybinding/shortcuts"
"pkg.deepin.io/gir/gio-2.0"
)
const (
volumeMin = 0
volumeMax = 1.5
)
const (
gsKeyOsdAdjustVolState = "osd-adjust-volume-enabled"
)
type OsdVolumeState int32
// Osd音量调节控制
const (
VolumeAdjustEnable OsdVolumeState = iota
VolumeAdjustForbidden
VolumeAdjustHidden
)
type AudioController struct {
conn *dbus.Conn
audioDaemon *audio.Audio
huaweiMicLedWorkaround *huaweiMicLedWorkaround
gsKeyboard *gio.Settings
}
func NewAudioController(sessionConn *dbus.Conn,
backlightHelper *backlight.Backlight) *AudioController {
c := &AudioController{
conn: sessionConn,
audioDaemon: audio.NewAudio(sessionConn),
}
c.initHuaweiMicLedWorkaround(backlightHelper)
c.gsKeyboard = gio.NewSettings(gsSchemaKeyboard)
return c
}
func (c *AudioController) Destroy() {
if c.huaweiMicLedWorkaround != nil {
c.huaweiMicLedWorkaround.destroy()
c.huaweiMicLedWorkaround = nil
}
}
func (*AudioController) Name() string {
return "Audio"
}
func (c *AudioController) ExecCmd(cmd ActionCmd) error {
switch cmd {
case AudioSinkMuteToggle:
return c.toggleSinkMute()
case AudioSinkVolumeUp:
return c.changeSinkVolume(true)
case AudioSinkVolumeDown:
return c.changeSinkVolume(false)
case AudioSourceMuteToggle:
return c.toggleSourceMute()
default:
return ErrInvalidActionCmd{cmd}
}
}
func (c *AudioController) toggleSinkMute() error {
var osd string
var state = OsdVolumeState(c.gsKeyboard.GetEnum(gsKeyOsdAdjustVolState))
// 当OsdAdjustVolumeState的值为VolumeAdjustEnable时,才会去执行静音操作
if VolumeAdjustEnable == state {
sink, err := c.getDefaultSink()
if err != nil {
return err
}
mute, err := sink.Mute().Get(0)
if err != nil {
return err
}
err = sink.SetMute(0, !mute)
if err != nil {
return err
}
osd = "AudioMute"
} else if VolumeAdjustForbidden == state {
osd = "AudioMuteAsh"
} else {
return nil
}
showOSD(osd)
return nil
}
func (c *AudioController) toggleSourceMute() error {
var osd string
var state = OsdVolumeState(c.gsKeyboard.GetEnum(gsKeyOsdAdjustVolState))
source, err := c.getDefaultSource()
if err != nil {
return err
}
mute, err := source.Mute().Get(0)
if err != nil {
return err
}
mute = !mute
// 当OsdAdjustVolumeState的值为VolumeAdjustEnable时,才会去执行静音操作
if VolumeAdjustEnable == state {
err = source.SetMute(0, mute)
if err != nil {
return err
}
if mute {
osd = "AudioMicMuteOn"
} else {
osd = "AudioMicMuteOff"
}
} else if VolumeAdjustForbidden == state {
if mute {
osd = "AudioMicMuteOnAsh"
} else {
osd = "AudioMicMuteOffAsh"
}
} else {
return nil
}
showOSD(osd)
return nil
}
func (c *AudioController) changeSinkVolume(raised bool) error {
var osd string
var state = OsdVolumeState(c.gsKeyboard.GetEnum(gsKeyOsdAdjustVolState))
// 当OsdAdjustVolumeState的值为VolumeAdjustEnable时,才会去执行调节音量的操作
if VolumeAdjustEnable == state {
sink, err := c.getDefaultSink()
if err != nil {
return err
}
osd = "AudioUp"
v, err := sink.Volume().Get(0)
if err != nil {
return err
}
var step = 0.05
if !raised {
step = -step
osd = "AudioDown"
}
maxVolume, err := c.audioDaemon.MaxUIVolume().Get(0)
if err != nil {
logger.Warning(err)
maxVolume = volumeMax
}
v += step
if v < volumeMin {
v = volumeMin
} else if v > maxVolume {
v = maxVolume
}
logger.Debug("[changeSinkVolume] will set volume to:", v)
mute, err := sink.Mute().Get(0)
if err != nil {
return err
}
if mute {
err = sink.SetMute(0, false)
if err != nil {
logger.Warning(err)
}
}
err = sink.SetVolume(0, v, true)
if err != nil {
return err
}
} else if VolumeAdjustForbidden == state {
if raised {
osd = "AudioUpAsh"
} else {
osd = "AudioDownAsh"
}
} else {
return nil
}
showOSD(osd)
return nil
}
func (c *AudioController) getDefaultSink() (*audio.Sink, error) {
sinkPath, err := c.audioDaemon.DefaultSink().Get(0)
if err != nil {
return nil, err
}
sink, err := audio.NewSink(c.conn, sinkPath)
if err != nil {
return nil, err
}
return sink, nil
}
func (c *AudioController) getDefaultSource() (*audio.Source, error) {
sourcePath, err := c.audioDaemon.DefaultSource().Get(0)
if err != nil {
return nil, err
}
source, err := audio.NewSource(c.conn, sourcePath)
if err != nil {
return nil, err
}
return source, nil
}