From e59394a1563b4c5242553162f16a082de1af4eda Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Wed, 20 Feb 2019 16:07:17 +0000
Subject: [PATCH] Show when a provider does not support UTF-8

---
 .../java/eu/faircode/email/FragmentAccount.java    | 14 ++++++++++++++
 app/src/main/res/layout/fragment_account.xml       | 13 ++++++++++++-
 app/src/main/res/values/strings.xml                |  1 +
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/FragmentAccount.java b/app/src/main/java/eu/faircode/email/FragmentAccount.java
index b77dd95f64..f2e86de3d2 100644
--- a/app/src/main/java/eu/faircode/email/FragmentAccount.java
+++ b/app/src/main/java/eu/faircode/email/FragmentAccount.java
@@ -63,6 +63,7 @@ import com.google.android.material.snackbar.Snackbar;
 import com.google.android.material.textfield.TextInputLayout;
 import com.sun.mail.imap.IMAPFolder;
 import com.sun.mail.imap.IMAPStore;
+import com.sun.mail.imap.protocol.IMAPProtocol;
 
 import java.io.IOException;
 import java.net.UnknownHostException;
@@ -119,6 +120,7 @@ public class FragmentAccount extends FragmentBase {
     private TextView tvIdle;
     private TextView tvMove;
     private TextView tvUidPlus;
+    private TextView tvUtf8;
 
     private ArrayAdapter<EntityFolder> adapter;
     private Spinner spDrafts;
@@ -197,6 +199,7 @@ public class FragmentAccount extends FragmentBase {
         tvIdle = view.findViewById(R.id.tvIdle);
         tvMove = view.findViewById(R.id.tvMove);
         tvUidPlus = view.findViewById(R.id.tvUidPlus);
+        tvUtf8 = view.findViewById(R.id.tvUtf8);
 
         spDrafts = view.findViewById(R.id.spDrafts);
         spSent = view.findViewById(R.id.spSent);
@@ -520,6 +523,7 @@ public class FragmentAccount extends FragmentBase {
                 tvIdle.setVisibility(View.GONE);
                 tvMove.setVisibility(View.GONE);
                 tvUidPlus.setVisibility(View.GONE);
+                tvUtf8.setVisibility(View.GONE);
                 grpFolders.setVisibility(View.GONE);
                 tvError.setVisibility(View.GONE);
             }
@@ -643,6 +647,14 @@ public class FragmentAccount extends FragmentBase {
                                     junk = true;
                             }
 
+                            if (EntityFolder.INBOX.equals(type))
+                                result.utf8 = (Boolean) ((IMAPFolder) ifolder).doCommand(new IMAPFolder.ProtocolCommand() {
+                                    @Override
+                                    public Object doCommand(IMAPProtocol protocol) {
+                                        return protocol.supportsUtf8();
+                                    }
+                                });
+
                             Log.i(folder.name + " id=" + folder.id +
                                     " type=" + folder.type + " attr=" + TextUtils.join(",", attrs));
                         }
@@ -678,6 +690,7 @@ public class FragmentAccount extends FragmentBase {
                 tvIdle.setVisibility(result.idle ? View.GONE : View.VISIBLE);
                 tvMove.setVisibility(result.move ? View.GONE : View.VISIBLE);
                 tvUidPlus.setVisibility(result.uidplus ? View.GONE : View.VISIBLE);
+                tvUtf8.setVisibility(result.utf8 == null || result.utf8 ? View.GONE : View.VISIBLE);
 
                 setFolders(result.folders, result.account);
 
@@ -1459,5 +1472,6 @@ public class FragmentAccount extends FragmentBase {
         boolean idle;
         boolean move;
         boolean uidplus;
+        Boolean utf8;
     }
 }
diff --git a/app/src/main/res/layout/fragment_account.xml b/app/src/main/res/layout/fragment_account.xml
index 63c9efad91..194a3eaaae 100644
--- a/app/src/main/res/layout/fragment_account.xml
+++ b/app/src/main/res/layout/fragment_account.xml
@@ -486,6 +486,17 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/tvMove" />
 
+        <TextView
+            android:id="@+id/tvUtf8"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:text="@string/title_no_utf8"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textStyle="italic"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/tvUidPlus" />
+
         <TextView
             android:id="@+id/tvDrafts"
             android:layout_width="wrap_content"
@@ -572,7 +583,7 @@
             android:layout_marginTop="12dp"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toEndOf="@id/barrier_folders"
-            app:layout_constraintTop_toBottomOf="@id/tvUidPlus" />
+            app:layout_constraintTop_toBottomOf="@id/tvUtf8" />
 
         <TextView
             android:id="@+id/tvDraftsRemark"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 5103ba7669..5f4c9674e4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -253,6 +253,7 @@
     <string name="title_no_idle">This provider does not support push messages. This will delay reception of new messages and increase battery usage.</string>
     <string name="title_no_move">This provider does not support MOVE</string>
     <string name="title_no_uidplus">This provider does not support UIDPLUS</string>
+    <string name="title_no_utf8">This provider does not support UTF-8</string>
     <string name="title_no_sync">Synchronization errors since %1$s</string>
     <string name="title_sync_disabled">Synchronization is disabled</string>
     <string name="title_drafts_required">A drafts folder is required to send messages</string>