Implement quick access to active features

- Add Daita: Multihop feature indicator
- Make feature indicators clickable
- Add animations when accessing the features through the indicators
- Rework VpnSettings in order to support navigating to a feature in the
  list

5 files changed, 45 insertions, 8 deletions

diff --git a/android/lib/daemon-grpc/src/main/kotlin/net/mullvad/mullvadvpn/lib/daemon/grpc/ManagementService.kt b/android/lib/daemon-grpc/src/main/kotlin/net/mullvad/mullvadvpn/lib/daemon/grpc/ManagementService.kt
index 4d1baab550..5e0077d1f8 100644
--- a/android/lib/daemon-grpc/src/main/kotlin/net/mullvad/mullvadvpn/lib/daemon/grpc/ManagementService.kt
+++ b/android/lib/daemon-grpc/src/main/kotlin/net/mullvad/mullvadvpn/lib/daemon/grpc/ManagementService.kt
@@ -62,6 +62,7 @@ import net.mullvad.mullvadvpn.lib.model.CustomList as ModelCustomList
 import net.mullvad.mullvadvpn.lib.model.CustomListAlreadyExists
 import net.mullvad.mullvadvpn.lib.model.CustomListId
 import net.mullvad.mullvadvpn.lib.model.CustomListName
+import net.mullvad.mullvadvpn.lib.model.DefaultDnsOptions
 import net.mullvad.mullvadvpn.lib.model.DeleteCustomListError
 import net.mullvad.mullvadvpn.lib.model.DeleteDeviceError
 import net.mullvad.mullvadvpn.lib.model.Device
@@ -71,6 +72,7 @@ import net.mullvad.mullvadvpn.lib.model.DeviceUpdateError
 import net.mullvad.mullvadvpn.lib.model.DnsOptions as ModelDnsOptions
 import net.mullvad.mullvadvpn.lib.model.DnsOptions
 import net.mullvad.mullvadvpn.lib.model.DnsState as ModelDnsState
+import net.mullvad.mullvadvpn.lib.model.DnsState
 import net.mullvad.mullvadvpn.lib.model.GetAccountDataError
 import net.mullvad.mullvadvpn.lib.model.GetAccountHistoryError
 import net.mullvad.mullvadvpn.lib.model.GetDeviceListError
@@ -124,7 +126,7 @@ import net.mullvad.mullvadvpn.lib.model.WebsiteAuthToken
 import net.mullvad.mullvadvpn.lib.model.WireguardEndpointData as ModelWireguardEndpointData
 import net.mullvad.mullvadvpn.lib.model.addresses
 import net.mullvad.mullvadvpn.lib.model.customOptions
-import net.mullvad.mullvadvpn.lib.model.enabled
+import net.mullvad.mullvadvpn.lib.model.defaultOptions
 import net.mullvad.mullvadvpn.lib.model.entryLocation
 import net.mullvad.mullvadvpn.lib.model.ipVersion
 import net.mullvad.mullvadvpn.lib.model.isMultihopEnabled
@@ -139,7 +141,7 @@ import net.mullvad.mullvadvpn.lib.model.state
 import net.mullvad.mullvadvpn.lib.model.udp2tcp
 import net.mullvad.mullvadvpn.lib.model.wireguardConstraints
 
-@Suppress("TooManyFunctions")
+@Suppress("TooManyFunctions", "LargeClass")
 class ManagementService(
     rpcSocketFile: File,
     private val extensiveLogging: Boolean,
@@ -389,6 +391,19 @@ class ManagementService(
             .onLeft { Logger.e("Create account error") }
             .mapLeft(CreateAccountError::Unknown)
 
+    suspend fun updateDnsContentBlockers(
+        update: (DefaultDnsOptions) -> DefaultDnsOptions
+    ): Either<SetDnsOptionsError, Unit> =
+        Either.catch {
+                val currentDnsOptions = getSettings().tunnelOptions.dnsOptions
+                val newDefaultDnsOptions = update(currentDnsOptions.defaultOptions)
+                val updated = DnsOptions.defaultOptions.set(currentDnsOptions, newDefaultDnsOptions)
+                grpc.setDnsOptions(updated.fromDomain())
+            }
+            .onLeft { Logger.e("Set dns state error") }
+            .mapLeft(SetDnsOptionsError::Unknown)
+            .mapEmpty()
+
     suspend fun setDnsOptions(dnsOptions: ModelDnsOptions): Either<SetDnsOptionsError, Unit> =
         Either.catch { grpc.setDnsOptions(dnsOptions.fromDomain()) }
             .onLeft { Logger.e("Set dns options error") }
@@ -423,7 +438,14 @@ class ManagementService(
         Either.catch {
                 val currentDnsOptions = getSettings().tunnelOptions.dnsOptions
                 val updatedDnsOptions =
-                    DnsOptions.customOptions.addresses.modify(currentDnsOptions) { it + address }
+                    currentDnsOptions.copy {
+                        DnsOptions.customOptions.addresses set
+                            currentDnsOptions.customOptions.addresses + address
+                        // If it is the first address, then turn on Custom Dns
+                        DnsOptions.state set
+                            if (currentDnsOptions.customOptions.addresses.isEmpty()) DnsState.Custom
+                            else currentDnsOptions.state
+                    }
                 grpc.setDnsOptions(updatedDnsOptions.fromDomain())
                 updatedDnsOptions.customOptions.addresses.lastIndex
             }
@@ -433,11 +455,16 @@ class ManagementService(
     suspend fun deleteCustomDns(index: Int): Either<SetDnsOptionsError, Unit> =
         Either.catch {
                 val currentDnsOptions = getSettings().tunnelOptions.dnsOptions
+                val mutableAddresses = currentDnsOptions.customOptions.addresses.toMutableList()
+                mutableAddresses.removeAt(index)
+
                 val updatedDnsOptions =
-                    DnsOptions.customOptions.addresses.modify(currentDnsOptions) {
-                        val mutableAddresses = it.toMutableList()
-                        mutableAddresses.removeAt(index)
-                        mutableAddresses.toList()
+                    currentDnsOptions.copy {
+                        DnsOptions.customOptions.addresses set mutableAddresses.toList()
+                        // If it is the last address, then turn off Custom Dns
+                        DnsOptions.state set
+                            if (mutableAddresses.isEmpty()) DnsState.Default
+                            else currentDnsOptions.state
                     }
                 grpc.setDnsOptions(updatedDnsOptions.fromDomain())
             }
diff --git a/android/lib/daemon-grpc/src/main/kotlin/net/mullvad/mullvadvpn/lib/daemon/grpc/mapper/ToDomain.kt b/android/lib/daemon-grpc/src/main/kotlin/net/mullvad/mullvadvpn/lib/daemon/grpc/mapper/ToDomain.kt
index 10c417cf1c..eab0bc60a9 100644
--- a/android/lib/daemon-grpc/src/main/kotlin/net/mullvad/mullvadvpn/lib/daemon/grpc/mapper/ToDomain.kt
+++ b/android/lib/daemon-grpc/src/main/kotlin/net/mullvad/mullvadvpn/lib/daemon/grpc/mapper/ToDomain.kt
@@ -708,6 +708,7 @@ internal fun ManagementInterface.FeatureIndicator.toDomain() =
         ManagementInterface.FeatureIndicator.DAITA -> FeatureIndicator.DAITA
         ManagementInterface.FeatureIndicator.SHADOWSOCKS -> FeatureIndicator.SHADOWSOCKS
         ManagementInterface.FeatureIndicator.MULTIHOP -> FeatureIndicator.MULTIHOP
+        ManagementInterface.FeatureIndicator.DAITA_MULTIHOP -> FeatureIndicator.DAITA_MULTIHOP
         ManagementInterface.FeatureIndicator.LOCKDOWN_MODE,
         ManagementInterface.FeatureIndicator.BRIDGE_MODE,
         ManagementInterface.FeatureIndicator.CUSTOM_MSS_FIX,
diff --git a/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/FeatureIndicator.kt b/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/FeatureIndicator.kt
index 0da5704b4b..0213c06cef 100644
--- a/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/FeatureIndicator.kt
+++ b/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/FeatureIndicator.kt
@@ -3,6 +3,7 @@ package net.mullvad.mullvadvpn.lib.model
 // The order of the variants match the priority order and can be sorted on.
 enum class FeatureIndicator {
     DAITA,
+    DAITA_MULTIHOP,
     QUANTUM_RESISTANCE,
     MULTIHOP,
     SPLIT_TUNNELING,
diff --git a/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/IpVersion.kt b/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/IpVersion.kt
index 176809244c..4ca0a0be5f 100644
--- a/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/IpVersion.kt
+++ b/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/IpVersion.kt
@@ -2,5 +2,12 @@ package net.mullvad.mullvadvpn.lib.model
 
 enum class IpVersion {
     IPV4,
-    IPV6,
+    IPV6;
+
+    companion object {
+        val constraints: List<Constraint<IpVersion>> = buildList {
+            add(Constraint.Any)
+            addAll(IpVersion.entries.map { Constraint.Only(it) })
+        }
+    }
 }
diff --git a/android/lib/resource/src/main/res/values/strings_non_translatable.xml b/android/lib/resource/src/main/res/values/strings_non_translatable.xml
index 837740aa47..c53332f663 100644
--- a/android/lib/resource/src/main/res/values/strings_non_translatable.xml
+++ b/android/lib/resource/src/main/res/values/strings_non_translatable.xml
@@ -15,5 +15,6 @@
         <![CDATA[<ul><li>10.0.0.0/8</li><li>172.16.0.0/12</li><li>192.168.0.0/16</li><li>169.254.0.0/16</li><li>fe80::/10</li><li>fc00::/7</li></ul>]]>
     </string>
     <string name="daita">DAITA</string>
+    <string name="daita_multihop">DAITA: Multihop</string>
     <string name="daita_full">Defence against AI-guided Traffic Analysis</string>
 </resources>