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Don't block while countries are loading

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This commit is contained in:
nielsandriesse 2020-06-02 15:59:25 +10:00
parent 07df442d3e
commit 5b5413991d
2 changed files with 17 additions and 7 deletions
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11
src/org/thoughtcrime/securesms/loki/activities/PathActivity.kt
View File

@ -53,6 +53,14 @@ class PathActivity : PassphraseRequiredActionBarActivity() {
}
broadcastReceivers.add(pathsBuiltReceiver)
LocalBroadcastManager.getInstance(this).registerReceiver(pathsBuiltReceiver, IntentFilter("pathsBuilt"))
val onionRequestPathCountriesLoadedReceiver: BroadcastReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) {
handleOnionRequestPathCountriesLoaded()
}
}
broadcastReceivers.add(onionRequestPathCountriesLoadedReceiver)
LocalBroadcastManager.getInstance(this).registerReceiver(onionRequestPathCountriesLoadedReceiver, IntentFilter("onionRequestPathCountriesLoaded"))
}
override fun onDestroy() {
@ -66,6 +74,7 @@ class PathActivity : PassphraseRequiredActionBarActivity() {
// region Updating
private fun handleBuildingPathsEvent() { update(false) }
private fun handlePathsBuiltEvent() { update(false) }
private fun handleOnionRequestPathCountriesLoaded() { update(false) }
private fun update(isAnimated: Boolean) {
pathRowsContainer.removeAllViews()
@ -131,7 +140,7 @@ class PathActivity : PassphraseRequiredActionBarActivity() {
private fun getPathRow(snode: Snode, location: LineView.Location, dotAnimationStartDelay: Long, dotAnimationRepeatInterval: Long, isGuardSnode: Boolean): LinearLayout {
val title = if (isGuardSnode) resources.getString(R.string.activity_path_guard_node_row_title) else resources.getString(R.string.activity_path_service_node_row_title)
val subtitle = IP2Country.shared.getCountry(snode.ip)
val subtitle = IP2Country.shared.countryNamesCache[snode.ip] ?: "Loading..."
return getPathRow(title, subtitle, location, dotAnimationStartDelay, dotAnimationRepeatInterval)
}
// endregion

13
src/org/thoughtcrime/securesms/loki/utilities/IP2Country.kt
View File

@ -14,7 +14,7 @@ import java.io.FileReader
class IP2Country private constructor(private val context: Context) {
private val pathsBuiltEventReceiver: BroadcastReceiver
private val countryNamesCache = mutableMapOf<String, String>()
val countryNamesCache = mutableMapOf<String, String>()
private val ipv4Table by lazy {
loadFile("geolite2_country_blocks_ipv4.csv")
@ -36,11 +36,11 @@ class IP2Country private constructor(private val context: Context) {
}
init {
preloadCountriesIfNeeded()
populateCacheIfNeeded()
pathsBuiltEventReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) {
preloadCountriesIfNeeded()
populateCacheIfNeeded()
}
}
LocalBroadcastManager.getInstance(context).registerReceiver(pathsBuiltEventReceiver, IntentFilter("pathsBuilt"))
@ -67,7 +67,7 @@ class IP2Country private constructor(private val context: Context) {
return file
}
fun getCountry(ip: String): String {
private fun cacheCountryForIP(ip: String): String {
var truncatedIP = ip
fun getCountryInternal(): String {
val country = countryNamesCache[ip]
@ -103,12 +103,13 @@ class IP2Country private constructor(private val context: Context) {
return getCountryInternal()
}
private fun preloadCountriesIfNeeded() {
private fun populateCacheIfNeeded() {
Thread {
val path = OnionRequestAPI.paths.firstOrNull() ?: return@Thread
path.forEach { snode ->
getCountry(snode.ip) // Preload if needed
cacheCountryForIP(snode.ip) // Preload if needed
}
Broadcaster(context).broadcast("onionRequestPathCountriesLoaded")
Log.d("Loki", "Finished preloading onion request path countries.")
}.start()
}