Add username link share sheet.

app/src/main/java/org/thoughtcrime/securesms/components/FixedRoundedCornerBottomSheetDialogFragment.kt

@@ -42,7 +42,9 @@ abstract class FixedRoundedCornerBottomSheetDialogFragment : BottomSheetDialogFr
 
   override fun onResume() {
     super.onResume()
-    WindowUtil.initializeScreenshotSecurity(requireContext(), dialog!!.window!!)
+    dialog?.window?.let { window ->
+      WindowUtil.initializeScreenshotSecurity(requireContext(), window)
+    }
   }
 
   override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/usernamelinks/QrCodeBadge.kt

@@ -51,7 +51,7 @@ fun QrCodeBadge(
   username: String,
   modifier: Modifier = Modifier,
   usernameCopyable: Boolean = false,
-  onClick: (() -> Unit) = {}
+  onClick: ((String) -> Unit) = {}
 ) {
   val borderColor by animateColorAsState(targetValue = colorScheme.borderColor, label = "border")
   val foregroundColor by animateColorAsState(targetValue = colorScheme.foregroundColor, label = "foreground")
@@ -132,7 +132,7 @@ fun QrCodeBadge(
           .clip(RoundedCornerShape(8.dp))
           .clickable(
             enabled = usernameCopyable,
-            onClick = onClick
+            onClick = { onClick(username) }
           )
           .padding(8.dp)
       ) {

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/usernamelinks/main/UsernameLinkSettingsFragment.kt

@@ -30,6 +30,7 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.material3.TopAppBarScrollBehavior
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -43,6 +44,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.core.app.ShareCompat
+import androidx.fragment.app.setFragmentResultListener
 import androidx.fragment.app.viewModels
 import androidx.navigation.NavController
 import androidx.navigation.fragment.findNavController
@@ -59,19 +61,24 @@ import org.signal.core.util.concurrent.LifecycleDisposable
 import org.thoughtcrime.securesms.R
 import org.thoughtcrime.securesms.components.settings.app.usernamelinks.main.UsernameLinkSettingsState.ActiveTab
 import org.thoughtcrime.securesms.compose.ComposeFragment
-import org.thoughtcrime.securesms.compose.ScreenshotController
 import org.thoughtcrime.securesms.providers.BlobProvider
 import java.io.ByteArrayOutputStream
+import java.util.UUID
 
-@OptIn(
-  ExperimentalPermissionsApi::class
-)
+@OptIn(ExperimentalPermissionsApi::class)
 class UsernameLinkSettingsFragment : ComposeFragment() {
 
   private val viewModel: UsernameLinkSettingsViewModel by viewModels()
   private val disposables: LifecycleDisposable = LifecycleDisposable()
 
-  private val screenshotController = ScreenshotController()
+  override fun onStart() {
+    super.onStart()
+    setFragmentResultListener(UsernameLinkShareBottomSheet.REQUEST_KEY) { key, bundle ->
+      if (bundle.getBoolean(UsernameLinkShareBottomSheet.KEY_COPY)) {
+        viewModel.onLinkCopied()
+      }
+    }
+  }
 
   @OptIn(ExperimentalMaterial3Api::class)
   @Composable
@@ -83,6 +90,15 @@ class UsernameLinkSettingsFragment : ComposeFragment() {
     var showResetDialog: Boolean by remember { mutableStateOf(false) }
     val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior()
     val cameraPermissionState: PermissionState = rememberPermissionState(permission = android.Manifest.permission.CAMERA)
+    val linkCopiedEvent: UUID? by viewModel.linkCopiedEvent
+
+    val linkCopiedString = stringResource(R.string.UsernameLinkSettings_link_copied_toast)
+
+    LaunchedEffect(linkCopiedEvent) {
+      if (linkCopiedEvent != null) {
+        snackbarHostState.showSnackbar(linkCopiedString)
+      }
+    }
 
     Scaffold(
       snackbarHost = { SnackbarHost(hostState = snackbarHostState) },

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/usernamelinks/main/UsernameLinkSettingsViewModel.kt

@@ -10,6 +10,7 @@ import android.graphics.Rect
 import android.graphics.RectF
 import android.graphics.Typeface
 import android.os.Build
+import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.State
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.ui.geometry.Size
@@ -39,6 +40,7 @@ import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.util.NetworkUtil
 import org.whispersystems.signalservice.api.push.UsernameLinkComponents
 import java.util.Optional
+import java.util.UUID
 
 class UsernameLinkSettingsViewModel : ViewModel() {
 
@@ -58,6 +60,9 @@ class UsernameLinkSettingsViewModel : ViewModel() {
   private val disposable: CompositeDisposable = CompositeDisposable()
   private val usernameLink: BehaviorSubject<Optional<UsernameLinkComponents>> = BehaviorSubject.createDefault(Optional.ofNullable(SignalStore.account().usernameLink))
 
+  private val _linkCopiedEvent: MutableState<UUID?> = mutableStateOf(null)
+  val linkCopiedEvent: State<UUID?> get() = _linkCopiedEvent
+
   init {
     disposable += usernameLink
       .observeOn(Schedulers.io())
@@ -177,6 +182,10 @@ class UsernameLinkSettingsViewModel : ViewModel() {
     )
   }
 
+  fun onLinkCopied() {
+    _linkCopiedEvent.value = UUID.randomUUID()
+  }
+
   private fun generateQrCodeData(url: Optional<String>): Single<Optional<QrCodeData>> {
     return Single.fromCallable {
       url.map { QrCodeData.forData(it, 64) }

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/usernamelinks/main/UsernameLinkShareBottomSheet.kt

@@ -0,0 +1,180 @@
+/*
+ * Copyright 2023 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.components.settings.app.usernamelinks.main
+
+import android.content.Intent
+import android.content.res.Configuration
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.core.os.bundleOf
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.setFragmentResult
+import kotlinx.coroutines.CoroutineScope
+import org.signal.core.ui.BottomSheets
+import org.signal.core.ui.theme.SignalTheme
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.webrtc.requests.CallLinkIncomingRequestSheet
+import org.thoughtcrime.securesms.compose.ComposeBottomSheetDialogFragment
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.profiles.manage.UsernameRepository.toLink
+import org.thoughtcrime.securesms.util.BottomSheetUtil
+import org.thoughtcrime.securesms.util.Util
+
+class UsernameLinkShareBottomSheet : ComposeBottomSheetDialogFragment() {
+
+  companion object {
+    const val REQUEST_KEY = "link_share_bottom_sheet"
+    const val KEY_COPY = "copy"
+
+    @JvmStatic
+    fun show(fragmentManager: FragmentManager) {
+      CallLinkIncomingRequestSheet().show(fragmentManager, BottomSheetUtil.STANDARD_BOTTOM_SHEET_FRAGMENT_TAG)
+    }
+  }
+
+  @Composable
+  override fun SheetContent() {
+    val scope = rememberCoroutineScope()
+    val snackbarHostState: SnackbarHostState = remember { SnackbarHostState() }
+
+    Content(
+      usernameLink = SignalStore.account().usernameLink?.toLink() ?: "",
+      scope = scope,
+      snackbarHostState = snackbarHostState,
+      dismissDialog = { didCopy ->
+        setFragmentResult(REQUEST_KEY, bundleOf(KEY_COPY to didCopy))
+        dismiss()
+      }
+    )
+  }
+}
+
+@Composable
+private fun Content(
+  usernameLink: String,
+  scope: CoroutineScope,
+  snackbarHostState: SnackbarHostState = remember { SnackbarHostState() },
+  dismissDialog: (Boolean) -> Unit = {}
+) {
+  val context = LocalContext.current
+  val usernameCopiedString = stringResource(id = R.string.UsernameLinkSettings_username_copied_toast)
+
+  Column(horizontalAlignment = Alignment.CenterHorizontally) {
+    BottomSheets.Handle()
+
+    Text(
+      text = stringResource(R.string.UsernameLinkShareBottomSheet_title),
+      style = MaterialTheme.typography.bodySmall,
+      color = MaterialTheme.colorScheme.onSurfaceVariant,
+      modifier = Modifier
+        .padding(horizontal = 41.dp, vertical = 24.dp)
+    )
+    Text(
+      text = usernameLink,
+      modifier = Modifier
+        .padding(horizontal = 24.dp)
+        .border(
+          width = 1.dp,
+          color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.38f),
+          shape = RoundedCornerShape(12.dp)
+        )
+        .padding(all = 16.dp)
+    )
+    ButtonRow(
+      icon = painterResource(R.drawable.symbol_copy_android_24),
+      text = stringResource(R.string.UsernameLinkShareBottomSheet_copy_link),
+      modifier = Modifier.padding(top = 12.dp),
+      onClick = {
+        Util.copyToClipboard(context, usernameLink)
+        dismissDialog(true)
+      }
+    )
+    ButtonRow(
+      icon = painterResource(R.drawable.symbol_share_android_24),
+      text = stringResource(R.string.UsernameLinkShareBottomSheet_share),
+      modifier = Modifier.padding(bottom = 12.dp),
+      onClick = {
+        dismissDialog(false)
+
+        val sendIntent: Intent = Intent().apply {
+          action = Intent.ACTION_SEND
+          type = "text/plain"
+          putExtra(Intent.EXTRA_TEXT, usernameLink)
+        }
+
+        context.startActivity(Intent.createChooser(sendIntent, null))
+      }
+    )
+  }
+}
+
+@Composable
+private fun ButtonRow(icon: Painter, text: String, modifier: Modifier = Modifier, onClick: () -> Unit = {}) {
+  Row(
+    modifier = modifier
+      .fillMaxWidth()
+      .clickable { onClick() }
+  ) {
+    Icon(
+      painter = icon,
+      contentDescription = text,
+      tint = MaterialTheme.colorScheme.onSurface,
+      modifier = Modifier
+        .padding(horizontal = 24.dp, vertical = 16.dp)
+    )
+    Text(
+      text = text,
+      modifier = Modifier
+        .padding(vertical = 16.dp)
+    )
+  }
+}
+
+@Preview(name = "Light Theme", group = "content", uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Theme", group = "content", uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+private fun ContentPreview() {
+  SignalTheme {
+    Surface {
+      Content(
+        usernameLink = "https://signal.me#eufzLWmFFUYAOqnVJ4Zlt0KqXf87r59FC1hZ3r7WipjKvgzMBg7DBlY5DB5hQTjsw0",
+        scope = rememberCoroutineScope()
+      )
+    }
+  }
+}
+
+@Preview(name = "Light Theme", group = "button row", uiMode = Configuration.UI_MODE_NIGHT_NO)
+@Preview(name = "Dark Theme", group = "button row", uiMode = Configuration.UI_MODE_NIGHT_YES)
+@Composable
+private fun ButtonRowPreview() {
+  SignalTheme {
+    Surface {
+      ButtonRow(icon = painterResource(R.drawable.symbol_share_android_24), text = "Share")
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/usernamelinks/main/UsernameLinkShareScreen.kt

@@ -59,6 +59,8 @@ fun UsernameLinkShareScreen(
   modifier: Modifier = Modifier,
   onResetClicked: () -> Unit
 ) {
+  val context = LocalContext.current
+
   when (state.usernameLinkResetResult) {
     UsernameLinkResetResult.NetworkUnavailable -> {
       ResetLinkResultDialog(stringResource(R.string.UsernameLinkSettings_reset_link_result_network_unavailable), onDismiss = onLinkResultHandled)
@@ -81,7 +83,8 @@ fun UsernameLinkShareScreen(
       username = state.username,
       usernameCopyable = true,
       modifier = Modifier.padding(horizontal = 58.dp, vertical = 24.dp),
-      onClick = {
+      onClick = { username ->
+        Util.copyToClipboard(context, username)
         scope.launch {
           snackbarHostState.showSnackbar(usernameCopiedString)
         }
@@ -95,8 +98,9 @@ fun UsernameLinkShareScreen(
 
     LinkRow(
       linkState = state.usernameLinkState,
-      snackbarHostState = snackbarHostState,
-      scope = scope
+      onClick = {
+        navController.safeNavigate(UsernameLinkSettingsFragmentDirections.actionUsernameLinkSettingsFragmentToUsernameLinkShareBottomSheet())
+      }
     )
 
     Text(
@@ -142,9 +146,7 @@ private fun ButtonBar(onShareClicked: () -> Unit, onColorClicked: () -> Unit) {
 }
 
 @Composable
-private fun LinkRow(linkState: UsernameLinkState, snackbarHostState: SnackbarHostState, scope: CoroutineScope) {
-  val context = LocalContext.current
-  val copyMessage = stringResource(R.string.UsernameLinkSettings_link_copied_toast)
+private fun LinkRow(linkState: UsernameLinkState, onClick: () -> Unit = {}) {
   Row(
     modifier = Modifier
       .fillMaxWidth()
@@ -161,11 +163,7 @@ private fun LinkRow(linkState: UsernameLinkState, snackbarHostState: SnackbarHos
         shape = RoundedCornerShape(12.dp)
       )
       .clickable(enabled = linkState is UsernameLinkState.Present) {
-        Util.copyToClipboard(context, (linkState as UsernameLinkState.Present).link)
-
-        scope.launch {
-          snackbarHostState.showSnackbar(copyMessage)
-        }
+        onClick()
       }
       .padding(horizontal = 26.dp, vertical = 16.dp)
       .alpha(if (linkState is UsernameLinkState.Present) 1.0f else 0.6f)
@@ -225,19 +223,13 @@ private fun LinkRowPreview() {
     Surface {
       Column(modifier = Modifier.padding(8.dp)) {
         LinkRow(
-          linkState = UsernameLinkState.Present("https://signal.me/#eu/asdfasdfasdfasdfasdfasdfasdfasdfasdfasdf"),
-          snackbarHostState = SnackbarHostState(),
-          scope = rememberCoroutineScope()
+          linkState = UsernameLinkState.Present("https://signal.me/#eu/asdfasdfasdfasdfasdfasdfasdfasdfasdfasdf")
         )
         LinkRow(
-          linkState = UsernameLinkState.NotSet,
-          snackbarHostState = SnackbarHostState(),
-          scope = rememberCoroutineScope()
+          linkState = UsernameLinkState.NotSet
         )
         LinkRow(
-          linkState = UsernameLinkState.Resetting,
-          snackbarHostState = SnackbarHostState(),
-          scope = rememberCoroutineScope()
+          linkState = UsernameLinkState.Resetting
         )
       }
     }

app/src/main/res/navigation/username_link_settings.xml

@@ -20,10 +20,18 @@
             app:exitAnim="@anim/fragment_open_exit"
             app:popEnterAnim="@anim/fragment_close_enter"
             app:popExitAnim="@anim/fragment_close_exit" />
+
+        <action
+            android:id="@+id/action_usernameLinkSettingsFragment_to_usernameLinkShareBottomSheet"
+            app:destination="@id/usernameLinkShareBottomSheet" />
     </fragment>
 
     <fragment
         android:id="@+id/usernameLinkQrColorPickerFragment"
         android:name="org.thoughtcrime.securesms.components.settings.app.usernamelinks.colorpicker.UsernameLinkQrColorPickerFragment" />
 
+    <dialog
+        android:id="@+id/usernameLinkShareBottomSheet"
+        android:name="org.thoughtcrime.securesms.components.settings.app.usernamelinks.main.UsernameLinkShareBottomSheet" />
+
 </navigation>

app/src/main/res/values/strings.xml

@@ -6401,6 +6401,13 @@
     <!-- Body of a dialog that is displayed when we failed to reset your username link because of a transient network issue. -->
     <string name="UsernameLinkSettings_reset_link_result_network_error">A network error occurred while trying to reset your link. Try again later.</string>
 
+    <!-- Explanatory text at the top of a bottom sheet describing how username links work -->
+    <string name="UsernameLinkShareBottomSheet_title">Anyone with this link can view your username and start a chat with you. Only share it with people you trust.</string>
+    <!-- A button label for a button that, when pressed, will copy your username link to the clipboard -->
+    <string name="UsernameLinkShareBottomSheet_copy_link">Copy link</string>
+    <!-- A button label for a button that, when pressed, will open a share sheet for sharing your username link -->
+    <string name="UsernameLinkShareBottomSheet_share">Share</string>
+
     <!-- PendingParticipantsView -->
     <!-- Displayed in the popup card when a remote user attempts to join a call link -->
     <string name="PendingParticipantsView__would_like_to_join">Would like to join…</string>