From ae7a553aa333d1d937feac99afa97cdf9f8be9fe Mon Sep 17 00:00:00 2001
From: ameba23 <ameba23@systemli.org>
Date: Fri, 11 Feb 2022 12:02:39 +0100
Subject: [PATCH] Basic strength meter when choosing threshold

---
 .../ThresholdSelectorFragment.java            | 20 +++++++++++++++----
 .../res/layout/fragment_select_threshold.xml  | 15 ++++++++++++--
 2 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/ThresholdSelectorFragment.java b/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/ThresholdSelectorFragment.java
index 716a448e9..60cba332a 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/ThresholdSelectorFragment.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/ThresholdSelectorFragment.java
@@ -18,6 +18,7 @@ import android.widget.TextView;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.activity.ActivityComponent;
 import org.briarproject.briar.android.fragment.BaseFragment;
+import org.briarproject.briar.android.login.StrengthMeter;
 import org.magmacollective.darkcrystal.secretsharingwrapper.SecretSharingWrapper;
 
 import java.util.Arrays;
@@ -41,6 +42,7 @@ public class ThresholdSelectorFragment extends BaseFragment {
 	private TextView thresholdRepresentation;
 	private TextView message;
 	private TextView mOfn;
+	private StrengthMeter strengthMeter;
 
 	@Inject
 	ViewModelProvider.Factory viewModelFactory;
@@ -81,7 +83,8 @@ public class ThresholdSelectorFragment extends BaseFragment {
 		thresholdRepresentation =
 				view.findViewById(R.id.textViewThresholdRepresentation);
 		message = view.findViewById(R.id.textViewMessage);
-		mOfn = view.findViewById(R.id.textViewmOfn);
+		mOfn = view.findViewById(R.id.text_view_m_of_n);
+		strengthMeter = view.findViewById(R.id.strength_meter);
 
 		if (numberOfCustodians > 3) {
 			seekBar.setMax(numberOfCustodians -3);
@@ -184,10 +187,19 @@ public class ThresholdSelectorFragment extends BaseFragment {
 			int sanityLevel = SecretSharingWrapper
 					.thresholdSanity(threshold, numberOfCustodians);
 			int text = R.string.threshold_secure;
-			if (threshold == recommendedThreshold)
+			float strength = 1;
+			if (threshold == recommendedThreshold) {
 				text = R.string.threshold_recommended;
-			if (sanityLevel < -1) text = R.string.threshold_low_insecure;
-			if (sanityLevel > 0) text = R.string.threshold_high_insecure;
+			}
+			if (sanityLevel < -1) {
+                strength = 0.75f;
+				text = R.string.threshold_low_insecure;
+			}
+			if (sanityLevel > 0) {
+				strength = 0.75f;
+				text = R.string.threshold_high_insecure;
+			}
+			strengthMeter.setStrength(strength);
 			message.setText(text);
 			// TODO change colour of thresholdRepresentation to green/red based on sanityLevel
 		}
diff --git a/briar-android/src/main/res/layout/fragment_select_threshold.xml b/briar-android/src/main/res/layout/fragment_select_threshold.xml
index fe74f5cd1..98ae96397 100644
--- a/briar-android/src/main/res/layout/fragment_select_threshold.xml
+++ b/briar-android/src/main/res/layout/fragment_select_threshold.xml
@@ -45,7 +45,7 @@
         app:layout_constraintTop_toBottomOf="@+id/seekBar" />
 
     <TextView
-        android:id="@+id/textViewmOfn"
+        android:id="@+id/text_view_m_of_n"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="24dp"
@@ -55,6 +55,17 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/textViewThresholdRepresentation" />
 
+    <org.briarproject.briar.android.login.StrengthMeter
+        android:id="@+id/strength_meter"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:visibility="visible"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/text_view_m_of_n"
+        tools:visibility="visible" />
+
     <TextView
         android:id="@+id/textViewMessage"
         android:layout_width="wrap_content"
@@ -64,6 +75,6 @@
         android:textSize="16dp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textViewmOfn" />
+        app:layout_constraintTop_toBottomOf="@+id/strength_meter" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>