Added option to disable trashing sent messages / conversation

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

@@ -351,6 +351,7 @@ public class FragmentMessages extends FragmentBase
     private boolean threading;
     private boolean swipenav;
     private boolean seekbar;
+    private boolean thread_sent_trash;
     private boolean actionbar;
     private int actionbar_delete_id;
     private int actionbar_archive_id;
@@ -498,6 +499,7 @@ public class FragmentMessages extends FragmentBase
                 args.getBoolean("force_threading"));
         swipenav = prefs.getBoolean("swipenav", true);
         seekbar = prefs.getBoolean("seekbar", false);
+        thread_sent_trash = prefs.getBoolean("thread_sent_trash", true);
         actionbar = prefs.getBoolean("actionbar", true);
         boolean actionbar_swap = prefs.getBoolean("actionbar_swap", false);
         actionbar_delete_id = (actionbar_swap ? R.id.action_archive : R.id.action_delete);
@@ -1385,7 +1387,7 @@ public class FragmentMessages extends FragmentBase
                                         !targetFolder.id.equals(threaded.folder) &&
                                         (!filter_archive || !EntityFolder.ARCHIVE.equals(sourceFolder.type)) &&
                                         !EntityFolder.DRAFTS.equals(sourceFolder.type) && !EntityFolder.OUTBOX.equals(sourceFolder.type) &&
-                                        (!EntityFolder.SENT.equals(sourceFolder.type) || EntityFolder.TRASH.equals(targetFolder.type)) &&
+                                        (!EntityFolder.SENT.equals(sourceFolder.type) || !EntityFolder.TRASH.equals(targetFolder.type) || thread_sent_trash) &&
                                         !EntityFolder.TRASH.equals(sourceFolder.type) && !EntityFolder.JUNK.equals(sourceFolder.type))
                                     result.add(new MessageTarget(context, threaded, account, sourceFolder, account, targetFolder));
                             }
@@ -6887,6 +6889,7 @@ public class FragmentMessages extends FragmentBase
             args.putLong("account", account);
             args.putString("thread", thread);
             args.putLong("id", id);
+            args.putBoolean("thread_sent_trash", thread_sent_trash);
             args.putBoolean("filter_archive", filter_archive);
 
             new SimpleTask<ActionData>() {
@@ -6895,6 +6898,7 @@ public class FragmentMessages extends FragmentBase
                     long aid = args.getLong("account");
                     String thread = args.getString("thread");
                     long id = args.getLong("id");
+                    boolean thread_sent_trash = args.getBoolean("thread_sent_trash");
                     boolean filter_archive = args.getBoolean("filter_archive");
 
                     EntityAccount account;
@@ -6931,7 +6935,7 @@ public class FragmentMessages extends FragmentBase
                             if (!folder.read_only &&
                                     !EntityFolder.DRAFTS.equals(folder.type) &&
                                     !EntityFolder.OUTBOX.equals(folder.type) &&
-                                    // allow sent
+                                    (!EntityFolder.SENT.equals(folder.type) || thread_sent_trash) &&
                                     !EntityFolder.TRASH.equals(folder.type) &&
                                     !EntityFolder.JUNK.equals(folder.type))
                                 trashable = true;

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

@@ -151,7 +151,7 @@ public class FragmentOptions extends FragmentBase {
             "collapse_quotes", "image_placeholders", "inline_images",
             "seekbar", "actionbar", "actionbar_swap", "actionbar_color", "group_category",
             "autoscroll", "swipenav", "reversed", "swipe_close", "swipe_move", "autoexpand", "autoclose", "onclose",
-            "swipe_reply",
+            "thread_sent_trash", "swipe_reply",
             "language_detection",
             "quick_filter", "quick_scroll", "quick_actions",
             "experiments", "debug", "log_level", "test1", "test2", "test3", "test4", "test5",

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

@@ -102,6 +102,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
     private SwitchCompat swAutoRead;
     private SwitchCompat swAutoUnflag;
     private SwitchCompat swResetImportance;
+    private SwitchCompat swThreadSentTrash;
     private SwitchCompat swFlagSnoozed;
     private SwitchCompat swAutoImportant;
     private SwitchCompat swResetSnooze;
@@ -123,8 +124,8 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
             "autoexpand", "expand_first", "expand_all", "expand_one", "collapse_multiple",
             "autoclose", "onclose", "autoclose_unseen", "autoclose_send", "collapse_marked",
             "undo_timeout",
-            "autoread", "flag_snoozed", "autounflag", "auto_important", "reset_importance", "reset_snooze", "auto_block_sender",
-            "swipe_reply", "default_folder"
+            "autoread", "flag_snoozed", "autounflag", "auto_important", "reset_importance", "thread_sent_trash",
+            "reset_snooze", "auto_block_sender", "swipe_reply", "default_folder"
     };
 
     @Override
@@ -177,6 +178,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
         swAutoRead = view.findViewById(R.id.swAutoRead);
         swAutoUnflag = view.findViewById(R.id.swAutoUnflag);
         swResetImportance = view.findViewById(R.id.swResetImportance);
+        swThreadSentTrash = view.findViewById(R.id.swThreadSentTrash);
         swFlagSnoozed = view.findViewById(R.id.swFlagSnoozed);
         swAutoImportant = view.findViewById(R.id.swAutoImportant);
         swResetSnooze = view.findViewById(R.id.swResetSnooze);
@@ -514,6 +516,13 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
             }
         });
 
+        swThreadSentTrash.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("thread_sent_trash", checked).apply();
+            }
+        });
+
         swFlagSnoozed.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -690,6 +699,8 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
         swAutoRead.setChecked(prefs.getBoolean("autoread", false));
         swAutoUnflag.setChecked(prefs.getBoolean("autounflag", false));
         swResetImportance.setChecked(prefs.getBoolean("reset_importance", false));
+        swThreadSentTrash.setChecked(prefs.getBoolean("thread_sent_trash", true));
+
         swFlagSnoozed.setChecked(prefs.getBoolean("flag_snoozed", false));
         swAutoImportant.setChecked(prefs.getBoolean("auto_important", false));
         swResetSnooze.setChecked(prefs.getBoolean("reset_snooze", true));

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

@@ -701,6 +701,17 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/swAutoUnflag"
                     app:switchPadding="12dp" />
+
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swThreadSentTrash"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_advanced_thread_sent_trash"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swResetImportance"
+                    app:switchPadding="12dp" />
             </androidx.constraintlayout.widget.ConstraintLayout>
         </androidx.cardview.widget.CardView>
 

app/src/main/res/values/strings.xml

@@ -652,6 +652,7 @@
     <string name="title_advanced_autoread">Automatically mark messages read on moving messages</string>
     <string name="title_advanced_autounstar">Automatically remove stars from messages on moving messages</string>
     <string name="title_advanced_reset_importance">Reset importance on moving messages</string>
+    <string name="title_advanced_thread_sent_trash">When trashing a conversation, also trash sent messages</string>
     <string name="title_advanced_star_snoozed">Automatically add star on snoozing messages</string>
     <string name="title_advanced_auto_important">Automatically make starred messages important</string>
     <string name="title_advanced_cancel_snooze">Cancel snooze on moving messages</string>