Add education sheet for key transparency.

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationFragment.kt

@@ -367,6 +367,7 @@ import org.thoughtcrime.securesms.util.toMillis
 import org.thoughtcrime.securesms.util.viewModel
 import org.thoughtcrime.securesms.util.views.Stub
 import org.thoughtcrime.securesms.util.visible
+import org.thoughtcrime.securesms.verify.VerifyAutomaticallyEducationSheet
 import org.thoughtcrime.securesms.verify.VerifyIdentityActivity
 import org.thoughtcrime.securesms.wallpaper.ChatWallpaper
 import org.thoughtcrime.securesms.wallpaper.ChatWallpaperDimLevelUtil
@@ -661,6 +662,7 @@ class ConversationFragment :
     presentGroupConversationSubtitle(createGroupSubtitleString(viewModel.titleViewParticipantsSnapshot))
     presentActionBarMenu()
     presentStoryRing()
+    presentVerifyAutomaticallySheet()
 
     observeConversationThread()
 
@@ -1414,6 +1416,12 @@ class ConversationFragment :
     }
   }
 
+  private fun presentVerifyAutomaticallySheet() {
+    if (RemoteConfig.keyTransparency && !SignalStore.uiHints.hasSeenVerifyAutomaticallySheet() && viewModel.recipientSnapshot?.isIndividual == true) {
+      VerifyAutomaticallyEducationSheet.show(parentFragmentManager)
+    }
+  }
+
   private fun presentInputReadyState(inputReadyState: InputReadyState) {
     presentConversationTitle(inputReadyState.conversationRecipient)
 

app/src/main/java/org/thoughtcrime/securesms/keyvalue/UiHintValues.java

@@ -31,6 +31,7 @@ public class UiHintValues extends SignalStoreValues {
   private static final String HAS_SEEN_LINK_DEVICE_QR_EDUCATION_SHEET  = "uihints.has_seen_link_device_qr_education_sheet";
   private static final String HAS_DISMISSED_SAVE_STORAGE_WARNING       = "uihints.has_dismissed_save_storage_warning";
   private static final String HAS_SEEN_PINNED_MESSAGE_SHEET            = "uihints.has_seen_pinned_message_sheet";
+  private static final String HAS_SEEN_VERIFY_AUTO_SHEET               = "uihints.has_seen_verify_auto_sheet";
 
   UiHintValues(@NonNull KeyValueStore store) {
     super(store);
@@ -232,4 +233,12 @@ public class UiHintValues extends SignalStoreValues {
   private int getSeenPinnedSheetCount() {
     return getInteger(HAS_SEEN_PINNED_MESSAGE_SHEET, 0);
   }
+
+  public boolean hasSeenVerifyAutomaticallySheet() {
+    return getBoolean(HAS_SEEN_VERIFY_AUTO_SHEET, false);
+  }
+
+  public void setSeenVerifyAutomaticallySheet() {
+    putBoolean(HAS_SEEN_VERIFY_AUTO_SHEET, true);
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/util/RemoteConfig.kt

@@ -1233,5 +1233,18 @@ object RemoteConfig {
     defaultValue = false,
     hotSwappable = true
   )
+
+  /**
+   * Whether or not to show any UI related to key transparency
+   */
+  @JvmStatic
+  @get:JvmName("keyTransparency")
+  val keyTransparency: Boolean by remoteBoolean(
+    key = "android.keyTransparency",
+    active = false,
+    defaultValue = false,
+    hotSwappable = true
+  )
+
   // endregion
 }

app/src/main/java/org/thoughtcrime/securesms/verify/VerifyAutomaticallyEducationSheet.kt

@@ -0,0 +1,120 @@
+package org.thoughtcrime.securesms.verify
+
+import android.content.DialogInterface
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.fragment.app.FragmentManager
+import org.signal.core.ui.compose.BottomSheets
+import org.signal.core.ui.compose.Buttons
+import org.signal.core.ui.compose.DayNightPreviews
+import org.signal.core.ui.compose.Previews
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.compose.ComposeBottomSheetDialogFragment
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.util.BottomSheetUtil
+
+/**
+ * Education sheet explaining that conversations now have auto verification
+ */
+class VerifyAutomaticallyEducationSheet : ComposeBottomSheetDialogFragment() {
+
+  override val peekHeightPercentage: Float = 0.75f
+
+  companion object {
+
+    @JvmStatic
+    fun show(fragmentManager: FragmentManager) {
+      VerifyAutomaticallyEducationSheet().show(fragmentManager, BottomSheetUtil.STANDARD_BOTTOM_SHEET_FRAGMENT_TAG)
+    }
+  }
+
+  override fun onDismiss(dialog: DialogInterface) {
+    super.onDismiss(dialog)
+    SignalStore.uiHints.setSeenVerifyAutomaticallySheet()
+  }
+
+  @Composable
+  override fun SheetContent() {
+    VerifyEducationSheet(
+      onVerify = {}, // TODO(michelle): Plug in to verify fragment
+      onLearnMore = {} // TODO(michelle): Update with support url
+    )
+  }
+}
+
+@Composable
+fun VerifyEducationSheet(
+  onVerify: () -> Unit = {},
+  onLearnMore: () -> Unit = {}
+) {
+  return Column(
+    horizontalAlignment = Alignment.CenterHorizontally,
+    modifier = Modifier.fillMaxWidth()
+  ) {
+    BottomSheets.Handle()
+    Icon(
+      painter = painterResource(R.drawable.image_verify_successful),
+      contentDescription = null,
+      tint = Color.Unspecified,
+      modifier = Modifier.padding(top = 24.dp, bottom = 8.dp)
+    )
+
+    Text(
+      text = stringResource(R.string.VerifyAutomaticallyEducationSheet__title),
+      style = MaterialTheme.typography.headlineMedium,
+      textAlign = TextAlign.Center,
+      modifier = Modifier.padding(vertical = 12.dp, horizontal = 32.dp),
+      color = MaterialTheme.colorScheme.onSurface
+    )
+    Text(
+      text = stringResource(R.string.VerifyAutomaticallyEducationSheet__body),
+      textAlign = TextAlign.Center,
+      style = MaterialTheme.typography.bodyLarge,
+      modifier = Modifier.padding(horizontal = 32.dp),
+      color = MaterialTheme.colorScheme.onSurfaceVariant
+    )
+
+    Row(
+      modifier = Modifier.fillMaxWidth().padding(horizontal = 24.dp).padding(top = 60.dp, bottom = 28.dp)
+    ) {
+      TextButton(
+        onClick = onLearnMore
+      ) {
+        Text(
+          text = stringResource(id = R.string.VerifyAutomaticallyEducationSheet__learn_more)
+        )
+      }
+
+      Spacer(modifier = Modifier.weight(1f))
+
+      Buttons.LargeTonal(
+        onClick = onVerify
+      ) {
+        Text(stringResource(id = R.string.VerifyAutomaticallyEducationSheet__verify))
+      }
+    }
+  }
+}
+
+@DayNightPreviews
+@Composable
+fun VerifyAutomaticallyEducationSheetPreview() {
+  Previews.BottomSheetContentPreview {
+    VerifyEducationSheet()
+  }
+}