Fix node info display race condition

2 files changed, 23 insertions, 14 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/activities/StatusActivity.kt b/app/src/main/java/org/pacien/tincapp/activities/StatusActivity.kt
index 8ea62cb..a7a1853 100644
--- a/app/src/main/java/org/pacien/tincapp/activities/StatusActivity.kt
+++ b/app/src/main/java/org/pacien/tincapp/activities/StatusActivity.kt
@@ -113,19 +113,9 @@ class StatusActivity : BaseActivity(), AdapterView.OnItemClickListener, SwipeRef
     refreshTimer?.schedule(timerTask { updateView() }, NOW)
   }
 
-  override fun onItemClick(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
-    val nodeName = (view as TextView).text.toString()
-    val dialogTextView = layoutInflater.inflate(R.layout.dialog_node_details, main_content, false)
-    Tinc.info(TincVpnService.getCurrentNetName()!!, nodeName).thenAccept {
-      runOnUiThread {
-        dialogTextView.dialog_node_details.text = it
-        AlertDialog.Builder(this)
-          .setTitle(R.string.title_node_info)
-          .setView(dialogTextView)
-          .setPositiveButton(R.string.action_close) { _, _ -> Unit }
-          .show()
-      }
-    }
+  override fun onItemClick(parent: AdapterView<*>?, view: View?, position: Int, id: Long) = when (view) {
+    is TextView -> showNodeInfo(view.text.toString())
+    else -> Unit
   }
 
   private fun onVpnShutdown() {
@@ -167,6 +157,24 @@ class StatusActivity : BaseActivity(), AdapterView.OnItemClickListener, SwipeRef
     getNodeNames().thenAccept { nodeList -> runOnUiThread { writeNodeList(nodeList) } }
   }
 
+  private fun showNodeInfo(nodeName: String) {
+    val dialogTextView = layoutInflater.inflate(R.layout.dialog_node_details, main_content, false)
+
+    runOnUiThread {
+      AlertDialog.Builder(this)
+        .setTitle(R.string.title_node_info)
+        .setView(dialogTextView)
+        .setPositiveButton(R.string.action_close) { _, _ -> Unit }
+        .show()
+    }
+
+    TincVpnService.getCurrentNetName()?.let { netName ->
+      Tinc.info(netName, nodeName).thenAccept { nodeInfo ->
+        runOnUiThread { dialogTextView.dialog_node_details.text = nodeInfo }
+      }
+    }
+  }
+
   private fun updateView() = when {
     TincVpnService.isConnected() -> updateNodeList()
     else -> openStartActivity()
diff --git a/app/src/main/res/layout/dialog_node_details.xml b/app/src/main/res/layout/dialog_node_details.xml
index 5d8a5f7..75d8f4c 100644
--- a/app/src/main/res/layout/dialog_node_details.xml
+++ b/app/src/main/res/layout/dialog_node_details.xml
@@ -28,6 +28,7 @@
                 android:id="@+id/dialog_node_details"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:fontFamily="monospace"/>
+                android:fontFamily="monospace"
+                android:text="@string/message_loading"/>
 
 </ScrollView>