Adding learn more link in verification status details

vector/src/main/java/im/vector/app/features/settings/devices/v2/list/SessionInfoView.kt

@@ -21,6 +21,7 @@ import android.util.AttributeSet
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.view.isVisible
 import im.vector.app.R
+import im.vector.app.core.extensions.setTextWithColoredPart
 import im.vector.app.databinding.ViewSessionInfoBinding
 import im.vector.app.features.themes.ThemeUtils
 import org.matrix.android.sdk.api.session.crypto.model.RoomEncryptionTrustLevel
@@ -33,6 +34,8 @@ class SessionInfoView @JvmOverloads constructor(
 
     private val views: ViewSessionInfoBinding
 
+    var onLearnMoreClickListener: (() -> Unit)? = null
+
     init {
         inflate(context, R.layout.view_session_info, this)
         views = ViewSessionInfoBinding.bind(this)
@@ -42,17 +45,45 @@ class SessionInfoView @JvmOverloads constructor(
 
     fun render(sessionInfoViewState: SessionInfoViewState) {
         renderDeviceInfo(sessionInfoViewState.deviceFullInfo.deviceInfo.displayName.orEmpty())
-        renderVerificationStatus(sessionInfoViewState.deviceFullInfo.trustLevelForShield, sessionInfoViewState.isCurrentSession)
+        renderVerificationStatus(
+                sessionInfoViewState.deviceFullInfo.trustLevelForShield,
+                sessionInfoViewState.isCurrentSession,
+                sessionInfoViewState.hasLearnMoreLink
+        )
         renderDetailsButton(sessionInfoViewState.isDetailsButtonVisible)
     }
 
-    private fun renderVerificationStatus(encryptionTrustLevel: RoomEncryptionTrustLevel, isCurrentSession: Boolean) {
+    private fun renderVerificationStatus(
+            encryptionTrustLevel: RoomEncryptionTrustLevel,
+            isCurrentSession: Boolean,
+            hasLearnMoreLink: Boolean,
+    ) {
         views.sessionInfoVerificationStatusImageView.render(encryptionTrustLevel)
         if (encryptionTrustLevel == RoomEncryptionTrustLevel.Trusted) {
             renderCrossSigningVerified(isCurrentSession)
         } else {
             renderCrossSigningUnverified(isCurrentSession)
         }
+        if (hasLearnMoreLink) {
+            appendLearnMoreToVerificationStatus()
+        }
+    }
+
+    private fun appendLearnMoreToVerificationStatus() {
+        val status = views.sessionInfoVerificationStatusDetailTextView.text
+        val learnMore = context.getString(R.string.action_learn_more)
+        val stringBuilder = StringBuilder()
+        stringBuilder.append(status)
+        stringBuilder.append(" ")
+        stringBuilder.append(learnMore)
+
+        views.sessionInfoVerificationStatusDetailTextView.setTextWithColoredPart(
+                fullText = stringBuilder.toString(),
+                coloredPart = learnMore,
+                underline = false
+        ) {
+            onLearnMoreClickListener?.invoke()
+        }
     }
 
     private fun renderCrossSigningVerified(isCurrentSession: Boolean) {

vector/src/main/java/im/vector/app/features/settings/devices/v2/list/SessionInfoViewState.kt

@@ -22,4 +22,5 @@ data class SessionInfoViewState(
         val isCurrentSession: Boolean,
         val deviceFullInfo: DeviceFullInfo,
         val isDetailsButtonVisible: Boolean = true,
+        val hasLearnMoreLink: Boolean = false
 )

vector/src/main/java/im/vector/app/features/settings/devices/v2/overview/SessionOverviewFragment.kt

@@ -16,8 +16,11 @@
 
 package im.vector.app.features.settings.devices.v2.overview
 
+import android.os.Bundle
 import android.view.LayoutInflater
+import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
@@ -44,6 +47,26 @@ class SessionOverviewFragment :
         return FragmentSessionOverviewBinding.inflate(inflater, container, false)
     }
 
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        initSessionInfoView()
+    }
+
+    private fun initSessionInfoView() {
+        views.sessionOverviewInfo.onLearnMoreClickListener = {
+            Toast.makeText(context, "Learn more verification status", Toast.LENGTH_LONG).show()
+        }
+    }
+
+    override fun onDestroyView() {
+        cleanUpSessionInfoView()
+        super.onDestroyView()
+    }
+
+    private fun cleanUpSessionInfoView() {
+        views.sessionOverviewInfo.onLearnMoreClickListener = null
+    }
+
     override fun invalidate() = withState(viewModel) { state ->
         updateToolbar(state.isCurrentSession)
         if (state.deviceInfo is Success) {
@@ -65,7 +88,8 @@ class SessionOverviewFragment :
         val viewState = SessionInfoViewState(
                 isCurrentSession = isCurrentSession,
                 deviceFullInfo = deviceFullInfo,
-                isDetailsButtonVisible = false
+                isDetailsButtonVisible = false,
+                hasLearnMoreLink = true
         )
         views.sessionOverviewInfo.render(viewState)
     }