display non-gemtext txt files

app/src/main/java/oppen/tva/io/GeminiDatasource.kt

@@ -163,5 +163,7 @@ class GeminiDatasource: Datasource{
         val content = socket?.inputStream?.bufferedReader().use { reader -> reader?.readText() }
 
         socket?.close()
+
+        onUpdate(TvaState.ResponseText(uri, header, content ?: "Error fetching content"))
     }
 }

app/src/main/java/oppen/tva/ui/TvaActivity.kt

@@ -23,6 +23,7 @@ import oppen.tva.io.RuntimeCache
 import oppen.tva.io.TvaState
 import oppen.tva.io.history.tabs.TabHistoryInterface
 import oppen.tva.io.history.uris.HistoryInterface
+import oppen.tva.ui.content_text.TextDialog
 import oppen.tva.ui.modals_menus.about.AboutDialog
 import oppen.tva.ui.modals_menus.history.HistoryDialog
 import oppen.tva.ui.modals_menus.input.InputDialog
@@ -84,7 +85,7 @@ class TvaActivity : AppCompatActivity() {
                 is TvaState.NotGeminiRequest -> externalProtocol(state)
                 is TvaState.ResponseError -> showAlert("${GeminiResponse.getCodeString(state.header.code)}: ${state.header.meta}")
                 is TvaState.ResponseGemtext -> renderGemtext(state)
-                is TvaState.ResponseText -> runOnUiThread{ showAlert("Plain text display not implemented") }
+                is TvaState.ResponseText -> renderText(state)
                 is TvaState.TabChange -> binding.tabCount.text = "${state.count}"
                 is TvaState.Blank -> {
                     binding.addressEdit.setText("")
@@ -201,6 +202,11 @@ class TvaActivity : AppCompatActivity() {
         history.add(state.uri.toString())
     }
 
+    private fun renderText(state: TvaState.ResponseText) = runOnUiThread {
+        loadingView(false)
+        TextDialog.show(this, state)
+    }
+
     private fun loadingView(visible: Boolean) = runOnUiThread {
         binding.progressBar.visibleRetainingSpace(visible)
         if(visible) binding.appBar.setExpanded(true)

app/src/main/java/oppen/tva/ui/content_text/TextDialog.kt

@@ -0,0 +1,27 @@
+package oppen.tva.ui.content_text
+
+import android.content.Context
+import android.view.View
+import androidx.appcompat.app.AppCompatDialog
+import kotlinx.android.synthetic.main.dialog_content_text.view.*
+import oppen.tva.R
+import oppen.tva.io.TvaState
+
+object TextDialog {
+
+    fun show(context: Context, state: TvaState.ResponseText){
+        val dialog = AppCompatDialog(context, R.style.AppTheme)
+
+        val view = View.inflate(context, R.layout.dialog_content_text, null)
+        dialog.setContentView(view)
+
+        view.text_content.text = state.content
+
+        view.close_text_content_dialog.setOnClickListener {
+            dialog.dismiss()
+        }
+
+
+        dialog.show()
+    }
+}

app/src/main/res/layout/dialog_content_text.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <RelativeLayout
+        android:id="@+id/header"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="@dimen/default_margin">
+
+        <androidx.appcompat.widget.AppCompatImageButton
+            android:id="@+id/close_text_content_dialog"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_alignParentStart="true"
+            android:layout_margin="@dimen/button_margin"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:src="@drawable/vector_close" />
+
+        <androidx.appcompat.widget.AppCompatImageButton
+            android:id="@+id/history_overflow"
+            android:visibility="gone"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_alignParentEnd="true"
+            android:layout_margin="@dimen/button_margin"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:src="@drawable/vector_overflow" />
+
+    </RelativeLayout>
+    <androidx.core.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="@dimen/default_margin"
+        android:layout_below="@+id/header">
+
+        <androidx.appcompat.widget.AppCompatTextView
+            android:id="@+id/text_content"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+
+    </androidx.core.widget.NestedScrollView>
+</RelativeLayout>