Allow opening EML in EML

app/src/main/java/eu/faircode/email/ActivityEML.java

@@ -67,6 +67,19 @@ import javax.mail.Session;
 import javax.mail.internet.MimeMessage;
 
 public class ActivityEML extends ActivityBase {
+    private TextView tvFrom;
+    private TextView tvTo;
+    private TextView tvReplyTo;
+    private TextView tvCc;
+    private TextView tvSent;
+    private TextView tvReceived;
+    private TextView tvSubject;
+    private View vSeparatorAttachments;
+    private RecyclerView rvAttachment;
+    private TextView tvBody;
+    private ContentLoadingProgressBar pbWait;
+    private Group grpReady;
+
     private Uri uri;
     private MessageHelper.AttachmentPart apart;
     private static final int REQUEST_ATTACHMENT = 1;
@@ -78,18 +91,18 @@ public class ActivityEML extends ActivityBase {
         getSupportActionBar().setSubtitle("EML");
         setContentView(R.layout.activity_eml);
 
-        final TextView tvFrom = findViewById(R.id.tvFrom);
+        tvFrom = findViewById(R.id.tvFrom);
-        final TextView tvTo = findViewById(R.id.tvTo);
+        tvTo = findViewById(R.id.tvTo);
-        final TextView tvReplyTo = findViewById(R.id.tvReplyTo);
+        tvReplyTo = findViewById(R.id.tvReplyTo);
-        final TextView tvCc = findViewById(R.id.tvCc);
+        tvCc = findViewById(R.id.tvCc);
-        final TextView tvSent = findViewById(R.id.tvSent);
+        tvSent = findViewById(R.id.tvSent);
-        final TextView tvReceived = findViewById(R.id.tvReceived);
+        tvReceived = findViewById(R.id.tvReceived);
-        final TextView tvSubject = findViewById(R.id.tvSubject);
+        tvSubject = findViewById(R.id.tvSubject);
-        final View vSeparatorAttachments = findViewById(R.id.vSeparatorAttachments);
+        vSeparatorAttachments = findViewById(R.id.vSeparatorAttachments);
-        final RecyclerView rvAttachment = findViewById(R.id.rvAttachment);
+        rvAttachment = findViewById(R.id.rvAttachment);
-        final TextView tvBody = findViewById(R.id.tvBody);
+        tvBody = findViewById(R.id.tvBody);
-        final ContentLoadingProgressBar pbWait = findViewById(R.id.pbWait);
+        pbWait = findViewById(R.id.pbWait);
-        final Group grpReady = findViewById(R.id.grpReady);
+        grpReady = findViewById(R.id.grpReady);
 
         rvAttachment.setHasFixedSize(false);
         LinearLayoutManager llm = new LinearLayoutManager(this);
@@ -100,19 +113,29 @@ public class ActivityEML extends ActivityBase {
         vSeparatorAttachments.setVisibility(View.GONE);
         grpReady.setVisibility(View.GONE);
 
-        uri = getIntent().getData();
+        load();
-        if (uri == null) {
+    }
-            pbWait.setVisibility(View.GONE);
+
-            return;
+    @Override
-        } else
+    protected void onNewIntent(Intent intent) {
-            pbWait.setVisibility(View.VISIBLE);
+        super.onNewIntent(intent);
+        setIntent(intent);
+        load();
+    }
 
+    private void load() {
+        uri = getIntent().getData();
         Log.i("EML uri=" + uri);
 
         Bundle args = new Bundle();
         args.putParcelable("uri", uri);
 
         new SimpleTask<Result>() {
+            @Override
+            protected void onPreExecute(Bundle args) {
+                pbWait.setVisibility(View.VISIBLE);
+            }
+
             @Override
             protected void onPostExecute(Bundle args) {
                 pbWait.setVisibility(View.GONE);
@@ -122,6 +145,9 @@ public class ActivityEML extends ActivityBase {
             protected Result onExecute(Context context, Bundle args) throws Throwable {
                 Uri uri = args.getParcelable("uri");
 
+                if (uri == null)
+                    throw new FileNotFoundException();
+
                 if (!"content".equals(uri.getScheme()) &&
                         !Helper.hasPermission(context, Manifest.permission.READ_EXTERNAL_STORAGE)) {
                     Log.w("EML uri=" + uri);