improve call participants layout

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt

@@ -956,27 +956,10 @@ class CallActivity : CallBaseActivity() {
     private fun initGrid() {
         Log.d(TAG, "initGrid")
 
-        val participantsInGrid = participantUiStates.size
-        val columns = when {
-            resources.configuration.orientation == Configuration.ORIENTATION_PORTRAIT -> {
-                if (participantsInGrid > 2) GRID_MAX_COLUMN_COUNT_PORTRAIT else GRID_MIN_COLUMN_COUNT_PORTRAIT
-            }
-            else -> {
-                if (participantsInGrid > 2) {
-                    GRID_MAX_COLUMN_COUNT_LANDSCAPE
-                } else if (participantsInGrid > 1) {
-                    GRID_MIN_GROUP_COLUMN_COUNT_LANDSCAPE
-                } else {
-                    GRID_MIN_COLUMN_COUNT_LANDSCAPE
-                }
-            }
-        }
-
         binding!!.composeParticipantGrid.setContent {
             MaterialTheme {
                 ParticipantGrid(
-                    participants = participantUiStates.toList(),
-                    columns = columns
+                    participants = participantUiStates.toList()
                 ) {
                     animateCallControls(true, 0)
                 }

app/src/main/java/com/nextcloud/talk/call/components/ParticipantGrid.kt

@@ -7,36 +7,159 @@
 
 package com.nextcloud.talk.call.components
 
+import android.content.res.Configuration
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.aspectRatio
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.grid.GridCells
 import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
 import androidx.compose.foundation.lazy.grid.items
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import com.nextcloud.talk.call.ParticipantUiState
 
 @Composable
-fun ParticipantGrid(
-    participants: List<ParticipantUiState>,
-    columns: Int = 2,
-    modifier: Modifier = Modifier,
-    onClick: () -> Unit
-) {
-    LazyVerticalGrid(
-        columns = GridCells.Fixed(columns),
-        modifier = modifier
-            .fillMaxSize()
-            .clickable { onClick() },
-        contentPadding = PaddingValues(8.dp),
-        verticalArrangement = Arrangement.spacedBy(8.dp),
-        horizontalArrangement = Arrangement.spacedBy(8.dp)
-    ) {
-        items(participants, key = { it.sessionKey }) { participant ->
-            ParticipantTile(participant)
+fun ParticipantGrid(modifier: Modifier = Modifier, participants: List<ParticipantUiState>, onClick: () -> Unit) {
+    val configuration = LocalConfiguration.current
+    val isPortrait = configuration.orientation == Configuration.ORIENTATION_PORTRAIT
+
+    when (participants.size) {
+        0 -> {}
+        1 -> {
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+            ) {
+                ParticipantTile(
+                    participant = participants[0],
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .clickable { onClick() }
+                )
+            }
+        }
+
+        2, 3 -> {
+            if (isPortrait) {
+                Column(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(vertical = 4.dp)
+                        .clickable { onClick() },
+                    verticalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    participants.forEach {
+                        ParticipantTile(
+                            participant = it,
+                            modifier = Modifier
+                                .weight(1f)
+                                .fillMaxWidth()
+                        )
+                    }
+                }
+            } else {
+                Row(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(horizontal = 4.dp)
+                        .clickable { onClick() },
+                    horizontalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    participants.forEach {
+                        ParticipantTile(
+                            participant = it,
+                            modifier = Modifier
+                                .weight(1f)
+                                .fillMaxHeight()
+                        )
+                    }
+                }
+            }
+        }
+
+        else -> {
+            LazyVerticalGrid(
+                columns = GridCells.Fixed(if (isPortrait) 2 else 3),
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(8.dp)
+                    .clickable { onClick() },
+                verticalArrangement = Arrangement.spacedBy(8.dp),
+                horizontalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                items(participants) { participant ->
+                    ParticipantTile(
+                        participant = participant,
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .aspectRatio(1.5f)
+                    )
+                }
+            }
         }
     }
 }
+
+const val numberOfParticipants = 4
+
+@Preview(
+    showBackground = false
+)
+@Composable
+fun ParticipantGridPreview() {
+    ParticipantGrid(
+        participants = getTestParticipants(numberOfParticipants)
+    ) {}
+}
+
+@Preview(
+    showBackground = false,
+    heightDp = 902,
+    widthDp = 434
+)
+@Composable
+fun ParticipantGridPreviewPortrait2() {
+    ParticipantGrid(
+        participants = getTestParticipants(numberOfParticipants)
+    ) {}
+}
+
+@Preview(
+    showBackground = false,
+    heightDp = 360,
+    widthDp = 800
+)
+@Composable
+fun ParticipantGridPreviewLandscape1() {
+    ParticipantGrid(
+        participants = getTestParticipants(numberOfParticipants)
+    ) {}
+}
+
+fun getTestParticipants(numberOfParticipants: Int): List<ParticipantUiState> {
+    val participantList = mutableListOf<ParticipantUiState>()
+    for (i: Int in 1..numberOfParticipants) {
+        val participant = ParticipantUiState(
+            sessionKey = i.toString(),
+            nick = "testuser$i",
+            isConnected = true,
+            isAudioEnabled = if (i == 3) true else false,
+            isStreamEnabled = true,
+            raisedHand = true,
+            avatarUrl = "",
+            surfaceViewRenderer = null
+        )
+        participantList.add(participant)
+    }
+    return participantList
+}

app/src/main/java/com/nextcloud/talk/call/components/ParticipantTile.kt

@@ -9,7 +9,7 @@ package com.nextcloud.talk.call.components
 
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.aspectRatio
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -29,10 +29,9 @@ import com.nextcloud.talk.R
 import com.nextcloud.talk.call.ParticipantUiState
 
 @Composable
-fun ParticipantTile(participant: ParticipantUiState) {
+fun ParticipantTile(participant: ParticipantUiState, modifier: Modifier = Modifier) {
     Box(
-        modifier = Modifier
-            .aspectRatio(3f / 4f)
+        modifier = modifier
             .clip(RoundedCornerShape(12.dp))
             .background(Color.DarkGray)
     ) {
@@ -97,5 +96,9 @@ fun ParticipantTilePreview() {
         avatarUrl = "",
         surfaceViewRenderer = null
     )
-    ParticipantTile(participant)
+    ParticipantTile(
+        participant = participant,
+        modifier = Modifier
+            .fillMaxWidth()
+    )
 }