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package screenshot
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strconv"
"syscall"
"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
"github.com/godbus/dbus/v5"
)
const (
notifyDest = "org.freedesktop.Notifications"
notifyPath = "/org/freedesktop/Notifications"
notifyInterface = "org.freedesktop.Notifications"
)
type NotifyResult struct {
FilePath string
Clipboard bool
ImageData []byte
Width int
Height int
}
func SendNotification(result NotifyResult) {
conn, err := dbus.SessionBus()
if err != nil {
log.Debug("dbus session failed", "err", err)
return
}
var actions []string
if result.FilePath != "" {
actions = []string{"default", "Open"}
}
hints := map[string]dbus.Variant{}
if len(result.ImageData) > 0 && result.Width > 0 && result.Height > 0 {
rowstride := result.Width * 3
hints["image_data"] = dbus.MakeVariant(struct {
Width int32
Height int32
Rowstride int32
HasAlpha bool
BitsPerSample int32
Channels int32
Data []byte
}{
Width: int32(result.Width),
Height: int32(result.Height),
Rowstride: int32(rowstride),
HasAlpha: false,
BitsPerSample: 8,
Channels: 3,
Data: result.ImageData,
})
} else if result.FilePath != "" {
hints["image_path"] = dbus.MakeVariant(result.FilePath)
}
summary := "Screenshot captured"
body := ""
if result.Clipboard && result.FilePath != "" {
body = fmt.Sprintf("Copied to clipboard\n%s", filepath.Base(result.FilePath))
} else if result.Clipboard {
body = "Copied to clipboard"
} else if result.FilePath != "" {
body = filepath.Base(result.FilePath)
}
obj := conn.Object(notifyDest, notifyPath)
call := obj.Call(
notifyInterface+".Notify",
0,
"DMS",
uint32(0),
"",
summary,
body,
actions,
hints,
int32(5000),
)
if call.Err != nil {
log.Debug("notify call failed", "err", call.Err)
return
}
var notificationID uint32
if err := call.Store(¬ificationID); err != nil {
log.Debug("failed to get notification id", "err", err)
return
}
if len(actions) == 0 || result.FilePath == "" {
return
}
spawnActionListener(notificationID, result.FilePath)
}
func spawnActionListener(notificationID uint32, filePath string) {
exe, err := os.Executable()
if err != nil {
log.Debug("failed to get executable", "err", err)
return
}
cmd := exec.Command(exe, "notify-action", fmt.Sprintf("%d", notificationID), filePath)
cmd.SysProcAttr = &syscall.SysProcAttr{
Setsid: true,
}
cmd.Start()
}
func RunNotifyActionListener(args []string) {
if len(args) < 2 {
return
}
notificationID, err := strconv.ParseUint(args[0], 10, 32)
if err != nil {
return
}
filePath := args[1]
conn, err := dbus.SessionBus()
if err != nil {
return
}
if err := conn.AddMatchSignal(
dbus.WithMatchObjectPath(notifyPath),
dbus.WithMatchInterface(notifyInterface),
); err != nil {
return
}
signals := make(chan *dbus.Signal, 10)
conn.Signal(signals)
for sig := range signals {
switch sig.Name {
case notifyInterface + ".ActionInvoked":
if len(sig.Body) < 2 {
continue
}
id, ok := sig.Body[0].(uint32)
if !ok || id != uint32(notificationID) {
continue
}
openFile(filePath)
return
case notifyInterface + ".NotificationClosed":
if len(sig.Body) < 1 {
continue
}
id, ok := sig.Body[0].(uint32)
if !ok || id != uint32(notificationID) {
continue
}
return
}
}
}
func openFile(filePath string) {
cmd := exec.Command("xdg-open", filePath)
cmd.SysProcAttr = &syscall.SysProcAttr{
Setsid: true,
}
cmd.Start()
}
|