Add QR to recovery password screen

app/src/main/java/org/thoughtcrime/securesms/onboarding/messagenotifications/MessageNotificationsActivity.kt

@@ -28,6 +28,7 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.ComposeView
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
 import dagger.hilt.android.AndroidEntryPoint
 import network.loki.messenger.R
@@ -38,6 +39,8 @@ import org.thoughtcrime.securesms.home.HomeActivity
 import org.thoughtcrime.securesms.notifications.PushRegistry
 import org.thoughtcrime.securesms.ui.AppTheme
 import org.thoughtcrime.securesms.ui.OutlineButton
+import org.thoughtcrime.securesms.ui.PreviewTheme
+import org.thoughtcrime.securesms.ui.ThemeResPreviewParameterProvider
 import org.thoughtcrime.securesms.ui.h8
 import org.thoughtcrime.securesms.ui.h9
 import org.thoughtcrime.securesms.ui.session_accent
@@ -66,8 +69,10 @@ class MessageNotificationsActivity : BaseActionBarActivity() {
     private fun MessageNotifications() {
         val state by viewModel.stateFlow.collectAsState()
 
+        AppTheme {
             MessageNotifications(state, viewModel::setEnabled, ::register)
         }
+    }
 
     private fun register() {
         TextSecurePreferences.setPushEnabled(this, viewModel.stateFlow.value.pushEnabled)
@@ -81,13 +86,21 @@ class MessageNotificationsActivity : BaseActionBarActivity() {
 }
 
 @Preview
+@Composable
+fun MessageNotificationsPreview(
+    @PreviewParameter(ThemeResPreviewParameterProvider::class) themeResId: Int
+) {
+    PreviewTheme(themeResId) {
+        MessageNotifications()
+    }
+}
+
 @Composable
 fun MessageNotifications(
     state: MessageNotificationsState = MessageNotificationsState(),
     setEnabled: (Boolean) -> Unit = {},
     onContinue: () -> Unit = {}
 ) {
-    AppTheme {
     Column(Modifier.padding(horizontal = 32.dp)) {
         Spacer(Modifier.weight(1f))
         Text("Message notifications", style = MaterialTheme.typography.h4)
@@ -119,7 +132,6 @@ fun MessageNotifications(
         Spacer(modifier = Modifier.height(12.dp))
     }
 }
-}
 
 @Composable
 fun NotificationRadioButton(

app/src/main/java/org/thoughtcrime/securesms/onboarding/recoverypassword/RecoveryPasswordActivity.kt

@@ -4,22 +4,39 @@ import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
+import android.graphics.Bitmap
 import android.os.Bundle
 import android.widget.Toast
+import androidx.activity.viewModels
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
 import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.Card
+import androidx.compose.material.Icon
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.platform.ComposeView
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.tooling.preview.Preview
@@ -33,7 +50,10 @@ import org.thoughtcrime.securesms.BaseActionBarActivity
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil
 import org.thoughtcrime.securesms.crypto.MnemonicUtilities
 import org.thoughtcrime.securesms.ui.AppTheme
+import org.thoughtcrime.securesms.ui.Cell
+import org.thoughtcrime.securesms.ui.CellNoMargin
 import org.thoughtcrime.securesms.ui.CellWithPaddingAndMargin
+import org.thoughtcrime.securesms.ui.LocalExtraColors
 import org.thoughtcrime.securesms.ui.OutlineButton
 import org.thoughtcrime.securesms.ui.PreviewTheme
 import org.thoughtcrime.securesms.ui.SessionShieldIcon
@@ -42,27 +62,21 @@ import org.thoughtcrime.securesms.ui.classicDarkColors
 import org.thoughtcrime.securesms.ui.colorDestructive
 import org.thoughtcrime.securesms.ui.extraSmall
 import org.thoughtcrime.securesms.ui.h8
+import org.thoughtcrime.securesms.ui.small
 
 class RecoveryPasswordActivity : BaseActionBarActivity() {
 
-    private val seed by lazy {
+    private val viewModel: RecoveryPasswordViewModel by viewModels()
-        var hexEncodedSeed = IdentityKeyUtil.retrieve(this, IdentityKeyUtil.LOKI_SEED)
-        if (hexEncodedSeed == null) {
-            hexEncodedSeed = IdentityKeyUtil.getIdentityKeyPair(this).hexEncodedPrivateKey // Legacy account
-        }
-        val loadFileContents: (String) -> String = { fileName ->
-            MnemonicUtilities.loadFileContents(this, fileName)
-        }
-        MnemonicCodec(loadFileContents).encode(hexEncodedSeed!!, MnemonicCodec.Language.Configuration.english)
-    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         supportActionBar!!.title = resources.getString(R.string.activity_recovery_password)
 
-        ComposeView(this)
+        ComposeView(this).apply {
-            .apply { setContent { RecoveryPassword() } }
+            setContent {
-            .let(::setContentView)
+                RecoveryPassword(viewModel.seed, viewModel.bitmap) { copySeed() }
+            }
+        }.let(::setContentView)
     }
 
     private fun revealSeed() {
@@ -72,7 +86,7 @@ class RecoveryPasswordActivity : BaseActionBarActivity() {
     private fun copySeed() {
         revealSeed()
         val clipboard = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
-        val clip = ClipData.newPlainText("Seed", seed)
+        val clip = ClipData.newPlainText("Seed", viewModel.seed)
         clipboard.setPrimaryClip(clip)
         Toast.makeText(this, R.string.copied_to_clipboard, Toast.LENGTH_SHORT).show()
     }
@@ -84,23 +98,30 @@ fun PreviewMessageDetails(
     @PreviewParameter(ThemeResPreviewParameterProvider::class) themeResId: Int
 ) {
     PreviewTheme(themeResId) {
-        RecoveryPassword()
+        RecoveryPassword(seed = "Voyage  urban  toyed  maverick peculiar tuxedo penguin tree grass building listen speak withdraw terminal plane")
     }
 }
 
 @Composable
-fun RecoveryPassword() {
+fun RecoveryPassword(seed: String = "", bitmap: Bitmap? = null, copySeed:() -> Unit = {}) {
     AppTheme {
-        Column(verticalArrangement = Arrangement.spacedBy(16.dp)) {
+        Column(
-            RecoveryPasswordCell()
+            verticalArrangement = Arrangement.spacedBy(16.dp),
+            modifier = Modifier.verticalScroll(rememberScrollState())
+                .padding(bottom = 16.dp)
+        ) {
+            RecoveryPasswordCell(seed, bitmap, copySeed)
             HideRecoveryPasswordCell()
         }
     }
 }
 
-
 @Composable
-fun RecoveryPasswordCell() {
+fun RecoveryPasswordCell(seed: String = "", bitmap: Bitmap? = null, copySeed:() -> Unit = {}) {
+    val showQr = remember {
+        mutableStateOf(false)
+    }
+
     CellWithPaddingAndMargin {
         Column {
             Row {
@@ -111,8 +132,9 @@ fun RecoveryPasswordCell() {
 
             Text("Use your recovery password to load your account on new devices.\n\nYour account cannot be recovered without your recovery password. Make sure it's stored somewhere safe and secure — and don't share it with anyone.")
 
+            AnimatedVisibility(!showQr.value) {
                 Text(
-                "Voyage  urban  toyed  maverick peculiar tuxedo penguin tree grass building listen speak withdraw terminal plane",
+                    seed,
                     modifier = Modifier
                         .padding(vertical = 24.dp)
                         .border(
@@ -121,17 +143,60 @@ fun RecoveryPasswordCell() {
                             shape = RoundedCornerShape(11.dp)
                         )
                         .padding(24.dp),
-                style = MaterialTheme.typography.extraSmall.copy(fontFamily = FontFamily.Monospace)
+                    style = MaterialTheme.typography.small.copy(fontFamily = FontFamily.Monospace),
+                    color = LocalExtraColors.current.prominentButtonColor,
                 )
+            }
 
+            AnimatedVisibility(showQr.value, modifier = Modifier.align(Alignment.CenterHorizontally)) {
+                Card(
+                    backgroundColor = Color.White,
+                    modifier = Modifier
+                        .align(Alignment.CenterHorizontally)
+                        .padding(vertical = 24.dp)
+                ) {
+                    Box {
+                        bitmap?.let {
+                            Image(
+                                bitmap = it.asImageBitmap(),
+                                contentDescription = "some useful description",
+                            )
+                        }
+
+                        Icon(
+                            painter = painterResource(id = R.drawable.session_shield),
+                            contentDescription = "",
+                            tint = Color.Black,
+                            modifier = Modifier.align(Alignment.Center)
+                                .width(46.dp)
+                                .height(56.dp)
+                                .background(color = Color.White)
+                                .padding(horizontal = 3.dp, vertical = 1.dp)
+                        )
+                    }
+                }
+            }
+
+            AnimatedVisibility(!showQr.value) {
                 Row(horizontalArrangement = Arrangement.spacedBy(32.dp)) {
-                OutlineButton(text = stringResource(R.string.copy), modifier = Modifier.weight(1f), color = MaterialTheme.colors.onPrimary) {}
+                    OutlineButton(text = stringResource(R.string.copy), modifier = Modifier.weight(1f), color = MaterialTheme.colors.onPrimary) { copySeed() }
-                OutlineButton(text = "View QR", modifier = Modifier.weight(1f), color = MaterialTheme.colors.onPrimary) {}
+                    OutlineButton(text = "View QR", modifier = Modifier.weight(1f), color = MaterialTheme.colors.onPrimary) { showQr.toggle() }
+                }
+            }
+
+            AnimatedVisibility(showQr.value, modifier = Modifier.align(Alignment.CenterHorizontally)) {
+                OutlineButton(
+                    text = "View Password",
+                    color = MaterialTheme.colors.onPrimary,
+                    modifier = Modifier.align(Alignment.CenterHorizontally)
+                ) { showQr.toggle() }
             }
         }
     }
 }
 
+private fun MutableState<Boolean>.toggle() { value = !value }
+
 @Composable
 fun HideRecoveryPasswordCell() {
     CellWithPaddingAndMargin {

app/src/main/java/org/thoughtcrime/securesms/onboarding/recoverypassword/RecoveryPasswordViewModel.kt

@@ -0,0 +1,36 @@
+package org.thoughtcrime.securesms.onboarding.recoverypassword
+
+import android.app.Application
+import android.graphics.Bitmap
+import androidx.lifecycle.AndroidViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import org.session.libsession.utilities.TextSecurePreferences
+import org.session.libsignal.crypto.MnemonicCodec
+import org.session.libsignal.utilities.hexEncodedPrivateKey
+import org.thoughtcrime.securesms.crypto.IdentityKeyUtil
+import org.thoughtcrime.securesms.crypto.MnemonicUtilities
+import org.thoughtcrime.securesms.util.QRCodeUtilities
+import org.thoughtcrime.securesms.util.toPx
+import javax.inject.Inject
+
+@HiltViewModel
+class RecoveryPasswordViewModel @Inject constructor(
+    private val application: Application
+): AndroidViewModel(application) {
+
+    val bitmap: Bitmap? = TextSecurePreferences.getLocalNumber(application)?.let {
+        QRCodeUtilities.encode(
+            data = it,
+            size = toPx(280, application.resources),
+            isInverted = false,
+            hasTransparentBackground = true
+        )
+    }
+
+    val seed by lazy {
+        val hexEncodedSeed = IdentityKeyUtil.retrieve(application, IdentityKeyUtil.LOKI_SEED)
+            ?: IdentityKeyUtil.getIdentityKeyPair(application).hexEncodedPrivateKey // Legacy account
+        MnemonicCodec { MnemonicUtilities.loadFileContents(application, it) }
+            .encode(hexEncodedSeed, MnemonicCodec.Language.Configuration.english)
+    }
+}

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

@@ -9,17 +9,26 @@ import com.google.zxing.qrcode.QRCodeWriter
 
 object QRCodeUtilities {
 
-    fun encode(data: String, size: Int, isInverted: Boolean = false, hasTransparentBackground: Boolean = true): Bitmap {
+    fun encode(
+        data: String,
+        size: Int,
+        isInverted: Boolean = false,
+        hasTransparentBackground: Boolean = true,
+        dark: Int = Color.BLACK,
+        light: Int = Color.WHITE,
+    ): Bitmap {
         try {
             val hints = hashMapOf( EncodeHintType.MARGIN to 1 )
             val result = QRCodeWriter().encode(data, BarcodeFormat.QR_CODE, size, size, hints)
             val bitmap = Bitmap.createBitmap(result.width, result.height, Bitmap.Config.ARGB_8888)
+            val color = if (isInverted) light else dark
+            val background = if (isInverted) dark else light
             for (y in 0 until result.height) {
                 for (x in 0 until result.width) {
                     if (result.get(x, y)) {
-                        bitmap.setPixel(x, y, if (isInverted) Color.WHITE else Color.BLACK)
+                        bitmap.setPixel(x, y, color)
                     } else if (!hasTransparentBackground) {
-                        bitmap.setPixel(x, y, if (isInverted) Color.BLACK else Color.WHITE)
+                        bitmap.setPixel(x, y, background)
                     }
                 }
             }