Code clean up and building a common parent class for WebRTC calls

amethyst/src/main/java/com/vitorpamplona/amethyst/service/call/CallController.kt

@@ -229,14 +229,6 @@ class CallController(
     }
 
     // ---- Call initiation (caller side) ----
-
-    fun initiateCall(
-        peerPubKey: String,
-        callType: CallType,
-    ) {
-        initiateCallInternal(setOf(peerPubKey), callType)
-    }
-
     fun initiateGroupCall(
         peerPubKeys: Set<String>,
         callType: CallType,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/ChatroomScreen.kt

@@ -49,28 +49,17 @@ fun ChatroomScreen(
     nav: INav,
 ) {
     val context = LocalContext.current
-    val isGroupChat = roomId.users.size > 1
     val isCallSupported = roomId.users.size <= 5
     val startVoiceCall =
         rememberCallWithPermission(context) {
             ActiveCallHolder.set(accountViewModel.callManager, accountViewModel.callController, accountViewModel)
-            if (isGroupChat) {
             accountViewModel.callController?.initiateGroupCall(roomId.users.toSet(), CallType.VOICE)
-            } else {
-                val peerPubKey = roomId.users.firstOrNull() ?: return@rememberCallWithPermission
-                accountViewModel.callController?.initiateCall(peerPubKey, CallType.VOICE)
-            }
             CallActivity.launch(context)
         }
     val startVideoCall =
         rememberCallWithPermission(context, isVideo = true) {
             ActiveCallHolder.set(accountViewModel.callManager, accountViewModel.callController, accountViewModel)
-            if (isGroupChat) {
             accountViewModel.callController?.initiateGroupCall(roomId.users.toSet(), CallType.VIDEO)
-            } else {
-                val peerPubKey = roomId.users.firstOrNull() ?: return@rememberCallWithPermission
-                accountViewModel.callController?.initiateCall(peerPubKey, CallType.VIDEO)
-            }
             CallActivity.launch(context)
         }
 

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/header/ChatroomHeader.kt

@@ -27,11 +27,6 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Call
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -52,7 +47,6 @@ fun ChatroomHeader(
     room: ChatroomKey,
     modifier: Modifier = StdPadding,
     accountViewModel: AccountViewModel,
-    onCallClick: ((String) -> Unit)? = null,
     onClick: () -> Unit,
 ) {
     if (room.users.size == 1) {
@@ -63,7 +57,6 @@ fun ChatroomHeader(
                     modifier = modifier,
                     accountViewModel = accountViewModel,
                     onClick = onClick,
-                    onCallClick = onCallClick?.let { callback -> { callback(baseUser.pubkeyHex) } },
                 )
             }
         }
@@ -83,7 +76,6 @@ fun UserChatroomHeader(
     modifier: Modifier = StdPadding,
     accountViewModel: AccountViewModel,
     onClick: () -> Unit,
-    onCallClick: (() -> Unit)? = null,
 ) {
     Column(
         Modifier
@@ -108,20 +100,6 @@ fun UserChatroomHeader(
                 ) {
                     UsernameDisplay(baseUser, accountViewModel = accountViewModel)
                 }
-
-                if (onCallClick != null) {
-                    IconButton(
-                        onClick = onCallClick,
-                        modifier = Modifier.size(40.dp),
-                    ) {
-                        Icon(
-                            imageVector = Icons.Default.Call,
-                            contentDescription = "Voice call",
-                            tint = MaterialTheme.colorScheme.primary,
-                            modifier = Modifier.size(20.dp),
-                        )
-                    }
-                }
             }
         }
     }

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nipACWebRtcCalls/events/CallAnswerEvent.kt

@@ -21,7 +21,6 @@
 package com.vitorpamplona.quartz.nipACWebRtcCalls.events
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
@@ -29,7 +28,6 @@ import com.vitorpamplona.quartz.nip01Core.tags.people.PTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTagIds
 import com.vitorpamplona.quartz.nip31Alts.alt
-import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallIdTag
 import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.callId
 
 @Immutable
@@ -40,9 +38,7 @@ class CallAnswerEvent(
     tags: Array<Array<String>>,
     content: String,
     sig: HexKey,
-) : Event(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun callId() = tags.firstNotNullOfOrNull(CallIdTag::parse)
-
+) : WebRTCEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
     fun sdpAnswer() = content
 
     /** All pubkeys referenced by `p` tags in this event. */

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nipACWebRtcCalls/events/CallHangupEvent.kt

@@ -21,7 +21,6 @@
 package com.vitorpamplona.quartz.nipACWebRtcCalls.events
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
@@ -29,7 +28,6 @@ import com.vitorpamplona.quartz.nip01Core.tags.people.PTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTagIds
 import com.vitorpamplona.quartz.nip31Alts.alt
-import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallIdTag
 import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.callId
 
 @Immutable
@@ -40,9 +38,7 @@ class CallHangupEvent(
     tags: Array<Array<String>>,
     content: String,
     sig: HexKey,
-) : Event(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun callId() = tags.firstNotNullOfOrNull(CallIdTag::parse)
-
+) : WebRTCEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
     fun reason() = content.ifEmpty { null }
 
     /** All pubkeys referenced by `p` tags in this event. */

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nipACWebRtcCalls/events/CallIceCandidateEvent.kt

@@ -21,13 +21,11 @@
 package com.vitorpamplona.quartz.nipACWebRtcCalls.events
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTag
 import com.vitorpamplona.quartz.nip31Alts.alt
-import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallIdTag
 import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.callId
 
 @Immutable
@@ -38,9 +36,7 @@ class CallIceCandidateEvent(
     tags: Array<Array<String>>,
     content: String,
     sig: HexKey,
-) : Event(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun callId() = tags.firstNotNullOfOrNull(CallIdTag::parse)
-
+) : WebRTCEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
     fun candidateJson() = content
 
     fun candidateSdp(): String = CANDIDATE_REGEX.find(content)?.groupValues?.get(1) ?: ""

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nipACWebRtcCalls/events/CallOfferEvent.kt

@@ -21,7 +21,6 @@
 package com.vitorpamplona.quartz.nipACWebRtcCalls.events
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
@@ -29,7 +28,6 @@ import com.vitorpamplona.quartz.nip01Core.tags.people.PTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTagIds
 import com.vitorpamplona.quartz.nip31Alts.alt
-import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallIdTag
 import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallType
 import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallTypeTag
 import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.callId
@@ -43,9 +41,7 @@ class CallOfferEvent(
     tags: Array<Array<String>>,
     content: String,
     sig: HexKey,
-) : Event(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun callId() = tags.firstNotNullOfOrNull(CallIdTag::parse)
-
+) : WebRTCEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
     fun callType() = tags.firstNotNullOfOrNull(CallTypeTag::parse)
 
     fun sdpOffer() = content

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nipACWebRtcCalls/events/CallRejectEvent.kt

@@ -21,7 +21,6 @@
 package com.vitorpamplona.quartz.nipACWebRtcCalls.events
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
@@ -29,7 +28,6 @@ import com.vitorpamplona.quartz.nip01Core.tags.people.PTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTagIds
 import com.vitorpamplona.quartz.nip31Alts.alt
-import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallIdTag
 import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.callId
 
 @Immutable
@@ -40,9 +38,7 @@ class CallRejectEvent(
     tags: Array<Array<String>>,
     content: String,
     sig: HexKey,
-) : Event(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun callId() = tags.firstNotNullOfOrNull(CallIdTag::parse)
-
+) : WebRTCEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
     fun reason() = content.ifEmpty { null }
 
     /** All pubkeys referenced by `p` tags in this event. */

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nipACWebRtcCalls/events/CallRenegotiateEvent.kt

@@ -21,7 +21,6 @@
 package com.vitorpamplona.quartz.nipACWebRtcCalls.events
 
 import androidx.compose.runtime.Immutable
-import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.TagArrayBuilder
 import com.vitorpamplona.quartz.nip01Core.signers.eventTemplate
@@ -29,7 +28,6 @@ import com.vitorpamplona.quartz.nip01Core.tags.people.PTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTag
 import com.vitorpamplona.quartz.nip01Core.tags.people.pTagIds
 import com.vitorpamplona.quartz.nip31Alts.alt
-import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallIdTag
 import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.callId
 
 @Immutable
@@ -40,9 +38,7 @@ class CallRenegotiateEvent(
     tags: Array<Array<String>>,
     content: String,
     sig: HexKey,
-) : Event(id, pubKey, createdAt, KIND, tags, content, sig) {
-    fun callId() = tags.firstNotNullOfOrNull(CallIdTag::parse)
-
+) : WebRTCEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
     fun sdpOffer() = content
 
     /** All pubkeys referenced by `p` tags in this event. */

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nipACWebRtcCalls/events/WebRTCEvent.kt

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.quartz.nipACWebRtcCalls.events
+
+import androidx.compose.runtime.Immutable
+import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.core.HexKey
+import com.vitorpamplona.quartz.nip01Core.core.Kind
+import com.vitorpamplona.quartz.nipACWebRtcCalls.tags.CallIdTag
+
+@Immutable
+abstract class WebRTCEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    kind: Kind,
+    tags: Array<Array<String>>,
+    content: String,
+    sig: HexKey,
+) : Event(id, pubKey, createdAt, kind, tags, content, sig) {
+    fun callId() = tags.firstNotNullOfOrNull(CallIdTag::parse)
+}