status-go/geth/api/app_state.go

43 lines
1.0 KiB
Go

package api
import (
"fmt"
"strings"
)
// AppState represents if the app is in foreground, background or some other state
type AppState string
func (a AppState) String() string {
return string(a)
}
// Specific app states
// see https://facebook.github.io/react-native/docs/appstate.html
const (
AppStateForeground = AppState("foreground")
AppStateBackground = AppState("background")
AppStateInactive = AppState("inactive")
AppStateInvalid = AppState("")
)
// validAppStates returns an immutable set of valid states.
func validAppStates() []AppState {
return []AppState{AppStateInactive, AppStateBackground, AppStateForeground}
}
// ParseAppState creates AppState from a string
func ParseAppState(stateString string) (AppState, error) {
// a bit of cleaning up
stateString = strings.ToLower(strings.TrimSpace(stateString))
for _, state := range validAppStates() {
if stateString == state.String() {
return state, nil
}
}
return AppStateInvalid, fmt.Errorf("could not parse app state: %s", stateString)
}