Added option to filter sent messages

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

@@ -218,6 +218,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
     private String sort;
     private boolean ascending;
     private boolean filter_duplicates;
+    private boolean filter_sent;
     private boolean filter_trash;
     private IProperties properties;
 
@@ -8338,7 +8339,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
     AdapterMessage(Fragment parentFragment,
                    String type, boolean found, String searched, boolean searchedPartial, ViewType viewType,
                    boolean compact, int zoom, boolean large_buttons, String sort, boolean ascending,
-                   boolean filter_duplicates, boolean filter_trash,
+                   boolean filter_duplicates, boolean filter_sent, boolean filter_trash,
                    final IProperties properties) {
         this.parentFragment = parentFragment;
         this.type = type;
@@ -8352,6 +8353,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         this.sort = sort;
         this.ascending = ascending;
         this.filter_duplicates = filter_duplicates;
+        this.filter_sent = filter_sent;
         this.filter_trash = filter_trash;
         this.properties = properties;
 
@@ -9208,6 +9210,13 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
     }
 
+    void setFilterSent(boolean filter_sent) {
+        if (this.filter_sent != filter_sent) {
+            this.filter_sent = filter_sent;
+            properties.refresh();
+        }
+    }
+
     void setFilterTrash(boolean filter_trash) {
         if (this.filter_trash != filter_trash) {
             this.filter_trash = filter_trash;
@@ -9247,7 +9256,10 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         if (filter_duplicates && message.duplicate)
             return R.layout.item_message_duplicate;
 
-        if (filter_trash && EntityFolder.TRASH.equals(message.folderType) && !allTrashed())
+        if (filter_sent && EntityFolder.SENT.equals(message.folderType) && !all(EntityFolder.SENT))
+            return R.layout.item_message_duplicate;
+
+        if (filter_trash && EntityFolder.TRASH.equals(message.folderType) && !all(EntityFolder.TRASH))
             return R.layout.item_message_duplicate;
 
         return (compact ? R.layout.item_message_compact : R.layout.item_message_normal);
@@ -9310,7 +9322,8 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         if ((filter_duplicates && message.duplicate) ||
-                (filter_trash && EntityFolder.TRASH.equals(message.folderType) && !allTrashed())) {
+                (filter_sent && EntityFolder.SENT.equals(message.folderType) && !all(EntityFolder.SENT)) ||
+                (filter_trash && EntityFolder.TRASH.equals(message.folderType) && !all(EntityFolder.TRASH))) {
             holder.card.setCardBackgroundColor(message.folderColor == null
                     ? Color.TRANSPARENT
                     : ColorUtils.setAlphaComponent(message.folderColor, 128));
@@ -9337,13 +9350,13 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         holder.wire();
     }
 
-    private boolean allTrashed() {
+    private boolean all(@NonNull String type) {
         if (differ.getItemCount() == 1)
             return true;
 
         for (int i = 0; i < differ.getItemCount(); i++) {
             TupleMessageEx m = differ.getItem(i);
-            if (m == null || !EntityFolder.TRASH.equals(m.folderType))
+            if (m == null || !type.equals(m.folderType))
                 return false;
         }
 

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

@@ -1288,15 +1288,18 @@ public class FragmentMessages extends FragmentBase
         boolean outbox = EntityFolder.OUTBOX.equals(type);
         boolean ascending = prefs.getBoolean(getSortOrder(getContext(), viewType, type), outbox);
         boolean filter_duplicates = prefs.getBoolean("filter_duplicates", true);
+        boolean filter_sent = prefs.getBoolean("filter_sent", false);
         boolean filter_trash = prefs.getBoolean("filter_trash", false);
 
-        if (viewType != AdapterMessage.ViewType.THREAD)
+        if (viewType != AdapterMessage.ViewType.THREAD) {
+            filter_sent = false;
             filter_trash = false;
+        }
 
         adapter = new AdapterMessage(
                 this, type, found, searched, searchedPartial, viewType,
                 compact, zoom, large_buttons, sort, ascending,
-                filter_duplicates, filter_trash,
+                filter_duplicates, filter_sent, filter_trash,
                 iProperties);
         if (viewType == AdapterMessage.ViewType.THREAD)
             adapter.setStateRestorationPolicy(RecyclerView.Adapter.StateRestorationPolicy.PREVENT);
@@ -6372,6 +6375,7 @@ public class FragmentMessages extends FragmentBase
             boolean filter_snoozed = prefs.getBoolean(getFilter(context, "snoozed", viewType, type), true);
             boolean filter_deleted = prefs.getBoolean(getFilter(context, "deleted", viewType, type), false);
             boolean filter_duplicates = prefs.getBoolean("filter_duplicates", true);
+            boolean filter_sent = prefs.getBoolean("filter_sent", false);
             boolean filter_trash = prefs.getBoolean("filter_trash", false);
             boolean language_detection = prefs.getBoolean("language_detection", false);
             String filter_language = prefs.getString("filter_language", null);
@@ -6475,6 +6479,7 @@ public class FragmentMessages extends FragmentBase
             menu.findItem(R.id.menu_filter_snoozed).setVisible(folder && !drafts);
             menu.findItem(R.id.menu_filter_deleted).setVisible(folder && !perform_expunge);
             menu.findItem(R.id.menu_filter_duplicates).setVisible(viewType == AdapterMessage.ViewType.THREAD);
+            menu.findItem(R.id.menu_filter_sent).setVisible(viewType == AdapterMessage.ViewType.THREAD);
             menu.findItem(R.id.menu_filter_trash).setVisible(viewType == AdapterMessage.ViewType.THREAD);
 
             menu.findItem(R.id.menu_filter_seen).setChecked(filter_seen);
@@ -6484,6 +6489,7 @@ public class FragmentMessages extends FragmentBase
             menu.findItem(R.id.menu_filter_deleted).setChecked(filter_deleted);
             menu.findItem(R.id.menu_filter_language).setVisible(language_detection && folder);
             menu.findItem(R.id.menu_filter_duplicates).setChecked(filter_duplicates);
+            menu.findItem(R.id.menu_filter_sent).setChecked(filter_sent);
             menu.findItem(R.id.menu_filter_trash).setChecked(filter_trash);
 
             SpannableStringBuilder ssbZoom = new SpannableStringBuilder(getString(R.string.title_zoom));
@@ -6658,6 +6664,9 @@ public class FragmentMessages extends FragmentBase
         } else if (itemId == R.id.menu_filter_duplicates) {
             onMenuFilterDuplicates(!item.isChecked());
             return true;
+        } else if (itemId == R.id.menu_filter_sent) {
+            onMenuFilterSent(!item.isChecked());
+            return true;
         } else if (itemId == R.id.menu_filter_trash) {
             onMenuFilterTrash(!item.isChecked());
             return true;
@@ -6945,6 +6954,13 @@ public class FragmentMessages extends FragmentBase
         adapter.setFilterDuplicates(filter);
     }
 
+    private void onMenuFilterSent(boolean filter) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        prefs.edit().putBoolean("filter_sent", filter).apply();
+        invalidateOptionsMenu();
+        adapter.setFilterSent(filter);
+    }
+
     private void onMenuFilterTrash(boolean filter) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
         prefs.edit().putBoolean("filter_trash", filter).apply();

app/src/main/res/menu/menu_messages.xml

@@ -133,6 +133,11 @@
                     android:checkable="true"
                     android:title="@string/title_filter_duplicates" />
 
+                <item
+                    android:id="@+id/menu_filter_sent"
+                    android:checkable="true"
+                    android:title="@string/title_filter_sent" />
+
                 <item
                     android:id="@+id/menu_filter_trash"
                     android:checkable="true"

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

@@ -2038,6 +2038,7 @@
     <string name="title_filter_hidden">Hidden</string>
     <string name="title_filter_deleted">Deleted</string>
     <string name="title_filter_duplicates">Duplicates</string>
+    <string name="title_filter_sent">Sent</string>
     <string name="title_filter_trash">Trashed</string>
 
     <string name="title_compact">Compact view</string>