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Add low battery alerts

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This commit is contained in:
akp 2025-05-26 00:32:05 +01:00
parent e4e93df5d6
commit 371908748c
1 changed files with 37 additions and 3 deletions
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40
internal/providers/battery.go
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@ -3,9 +3,12 @@ package providers
import (
"fmt"
"io/ioutil"
"os"
"path"
"strconv"
"strings"
"os/exec"
"path/filepath"
"github.com/codemicro/bar/internal/i3bar"
)
@ -29,6 +32,7 @@ type Battery struct {
name string
previousWasBackgroundWarning bool
isAlert bool
previousValue string
}
func NewBattery(deviceName string, fullThreshold, okThreshold, warningThreshold float32) i3bar.BlockGenerator {
@ -120,17 +124,31 @@ func (g *Battery) Block(colors *i3bar.ColorSet) (*i3bar.Block, error) {
if err != nil {
return nil, err
}
state, err := g.getState()
if err != nil {
return nil, err
}
percentageString := fmt.Sprintf("%.1f", percentage)
shortPercentageString := strings.Split(percentageString, ".")[0]
if g.previousValue != shortPercentageString && state == batteryStateDischarging {
switch shortPercentageString {
case "20":
_ = g.SendNotification("Battery is getting low", "At 20% and discharging. Consider plugging in.", "low")
case "12":
_ = g.SendNotification("Battery is getting lower", "At 12% and discharging. Plug in now.", "normal")
case "5":
_ = g.SendNotification("Battery is really low", "At 5% and discharging. PLUG IN NOW.", "critical")
}
}
g.previousValue = shortPercentageString
block := &i3bar.Block{
Name: g.name,
Instance: g.DeviceName,
FullText: fmt.Sprintf("%s %.1f%%", state, percentage),
ShortText: fmt.Sprintf("%.1f%%", percentage),
FullText: fmt.Sprintf("%s %s%%", state, percentageString),
ShortText: percentageString,
}
if percentage < g.WarningThreshold && g.WarningThreshold != 0 {
@ -173,3 +191,19 @@ func (g *Battery) Block(colors *i3bar.ColorSet) (*i3bar.Block, error) {
func (g *Battery) GetNameAndInstance() (string, string) {
return g.name, g.DeviceName
}
func (g *Battery) SendNotification(summary, message, priority string) error {
fname, err := exec.LookPath("notify-send")
if err == nil {
fname, err = filepath.Abs(fname)
}
if err != nil {
return err
}
process, err := os.StartProcess(fname, []string{fname, "--urgency", priority, summary, message}, &os.ProcAttr{Files: []*os.File{os.Stdin, os.Stdout, os.Stderr}})
if err != nil {
return err
}
_ = process.Release()
return nil
}