func (u *User) SetBackgroundFile(dbusMsg dbus.DMessage, bg string) (bool, error) {
pid := dbusMsg.GetSenderPID()
err := u.accessAuthentication(pid, true, "SetBackgroundFile")
if err != nil {
return false, err
}
if bg == u.BackgroundFile {
return true, nil
}
if !graphic.IsSupportedImage(bg) {
reason := fmt.Sprintf("This background '%s' not a image", bg)
logger.Debug(reason)
triggerSigErr(pid, "SetBackgroundFile", reason)
return false, err
}
go func() {
src := u.BackgroundFile
u.setPropString(&u.BackgroundFile, "BackgroundFile", bg)
err = u.writeUserConfig()
if err != nil {
logger.Warning("Write user config failed:", err)
triggerSigErr(pid, "SetBackgroundFile", err.Error())
u.setPropString(&u.BackgroundFile, "BackgroundFile", src)
return
}
}()
return true, nil
}
func (bg *Background) IsValueValid(value string) bool {
filename := dutils.DecodeURI(value)
if dutils.IsFileExist(filename) &&
graphic.IsSupportedImage(filename) {
return true
}
return false
}
func (u *User) SetIconFile(dbusMsg dbus.DMessage, icon string) (bool, error) {
pid := dbusMsg.GetSenderPID()
err := u.accessAuthentication(pid, true, "SetIconFile")
if err != nil {
return false, err
}
if u.IconFile == icon {
return true, nil
}
if !graphic.IsSupportedImage(icon) {
reason := fmt.Sprintf("This icon '%s' not a image", icon)
logger.Debug(reason)
triggerSigErr(pid, "SetIconFile", reason)
return false, err
}
go func() {
target, added, err := u.addIconFile(icon)
if err != nil {
logger.Warning("Set icon failed:", err)
triggerSigErr(pid, "SetIconFile", err.Error())
return
}
src := u.IconFile
u.setPropString(&u.IconFile, "IconFile", target)
err = u.writeUserConfig()
if err != nil {
logger.Warning("Write user config failed:", err)
triggerSigErr(pid, "SetIconFile", err.Error())
u.setPropString(&u.IconFile, "IconFile", src)
return
}
u.addHistoryIcon(src)
if added {
u.setPropStrv(&u.IconList, "IconList", u.getAllIcons())
}
}()
return true, nil
}
