session-android/libsession/src/main/java/org/session/libsession/messaging/messages/control/DataExtractionNotification.kt

77 lines
2.9 KiB
Kotlin

package org.session.libsession.messaging.messages.control
import org.session.libsignal.service.internal.push.SignalServiceProtos
import org.session.libsignal.utilities.logging.Log
class DataExtractionNotification(): ControlMessage() {
var kind: Kind? = null
// Kind enum
sealed class Kind {
class Screenshot() : Kind()
class MediaSaved(val timestanp: Long) : Kind()
val description: String =
when(this) {
is Screenshot -> "screenshot"
is MediaSaved -> "mediaSaved"
}
}
companion object {
const val TAG = "DataExtractionNotification"
fun fromProto(proto: SignalServiceProtos.Content): DataExtractionNotification? {
if (!proto.hasDataExtractionNotification()) return null
val dataExtractionNotification = proto.dataExtractionNotification!!
val kind: Kind = when(dataExtractionNotification.type) {
SignalServiceProtos.DataExtractionNotification.Type.SCREENSHOT -> Kind.Screenshot()
SignalServiceProtos.DataExtractionNotification.Type.MEDIA_SAVED -> {
val timestamp = if (dataExtractionNotification.hasTimestamp()) dataExtractionNotification.timestamp else return null
Kind.MediaSaved(timestamp)
}
}
return DataExtractionNotification(kind)
}
}
//constructor
internal constructor(kind: Kind) : this() {
this.kind = kind
}
// MARK: Validation
override fun isValid(): Boolean {
if (!super.isValid()) return false
val kind = kind ?: return false
return when(kind) {
is Kind.Screenshot -> true
is Kind.MediaSaved -> kind.timestanp > 0
}
}
override fun toProto(): SignalServiceProtos.Content? {
val kind = kind
if (kind == null) {
Log.w(TAG, "Couldn't construct data extraction notification proto from: $this")
return null
}
try {
val dataExtractionNotification = SignalServiceProtos.DataExtractionNotification.newBuilder()
when(kind) {
is Kind.Screenshot -> dataExtractionNotification.type = SignalServiceProtos.DataExtractionNotification.Type.SCREENSHOT
is Kind.MediaSaved -> {
dataExtractionNotification.type = SignalServiceProtos.DataExtractionNotification.Type.MEDIA_SAVED
dataExtractionNotification.timestamp = kind.timestanp
}
}
val contentProto = SignalServiceProtos.Content.newBuilder()
contentProto.dataExtractionNotification = dataExtractionNotification.build()
return contentProto.build()
} catch (e: Exception) {
Log.w(TAG, "Couldn't construct data extraction notification proto from: $this")
return null
}
}
}