Added thread range setting

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

@@ -145,6 +145,8 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
     private SeekBar sbSqliteCache;
     private TextView tvChunkSize;
     private SeekBar sbChunkSize;
+    private TextView tvThreadRange;
+    private SeekBar sbThreadRange;
     private ImageButton ibSqliteCache;
     private SwitchCompat swUndoManager;
     private SwitchCompat swWebViewLegacy;
@@ -198,7 +200,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             "protocol", "debug", "log_level", "test1", "test2", "test3", "test4", "test5",
             "work_manager", // "external_storage",
             "query_threads", "wal", "sqlite_checkpoints", "sqlite_analyze", "sqlite_cache",
-            "chunk_size", "undo_manager", "webview_legacy",
+            "chunk_size", "thread_range", "undo_manager", "webview_legacy",
             "use_modseq", "uid_command", "perform_expunge", "uid_expunge",
             "auth_plain", "auth_login", "auth_ntlm", "auth_sasl", "auth_apop",
             "keep_alive_poll", "empty_pool", "idle_done", "logarithmic_backoff",
@@ -301,6 +303,8 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         ibSqliteCache = view.findViewById(R.id.ibSqliteCache);
         tvChunkSize = view.findViewById(R.id.tvChunkSize);
         sbChunkSize = view.findViewById(R.id.sbChunkSize);
+        tvThreadRange = view.findViewById(R.id.tvThreadRange);
+        sbThreadRange = view.findViewById(R.id.sbThreadRange);
         swUndoManager = view.findViewById(R.id.swUndoManager);
         swWebViewLegacy = view.findViewById(R.id.swWebViewLegacy);
         swModSeq = view.findViewById(R.id.swModSeq);
@@ -938,6 +942,23 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             }
         });
 
+        sbThreadRange.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                prefs.edit().putInt("thread_range", progress).apply();
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+                // Do nothing
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+                // Do nothing
+            }
+        });
+
         swProtocol.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -1618,6 +1639,11 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         tvChunkSize.setText(getString(R.string.title_advanced_chunk_size, chunk_size));
         sbChunkSize.setProgress(chunk_size);
 
+        int thread_range = prefs.getInt("thread_range", MessageHelper.DEFAULT_THREAD_RANGE);
+        int range = (int) Math.pow(2, thread_range);
+        tvThreadRange.setText(getString(R.string.title_advanced_thread_range, range));
+        sbThreadRange.setProgress(thread_range);
+
         swUndoManager.setChecked(prefs.getBoolean("undo_manager", false));
         swWebViewLegacy.setChecked(prefs.getBoolean("webview_legacy", false));
         swModSeq.setChecked(prefs.getBoolean("use_modseq", true));

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

@@ -141,7 +141,7 @@ public class MessageHelper {
     static final int DEFAULT_DOWNLOAD_SIZE = 4 * 1024 * 1024; // bytes
     static final String HEADER_CORRELATION_ID = "X-Correlation-ID";
     static final int MAX_SUBJECT_AGE = 48; // hours
-    static final long MAX_THREAD_RANGE = 180; // days
+    static final int DEFAULT_THREAD_RANGE = 7; // 2^7 = 128 days
 
     static final List<String> RECEIVED_WORDS = Collections.unmodifiableList(Arrays.asList(
             "from", "by", "via", "with", "id", "for"
@@ -1484,8 +1484,12 @@ public class MessageHelper {
 
         List<String> all = new ArrayList<>(refs);
         all.add(msgid);
-        Long start = (received == 0 ? null : received - MAX_THREAD_RANGE * 24 * 3600L);
-        Long end = (received == 0 ? null : received + MAX_THREAD_RANGE * 24 * 3600L);
+
+        int thread_range = prefs.getInt("thread_range", MessageHelper.DEFAULT_THREAD_RANGE);
+        int range = (int) Math.pow(2, thread_range);
+        Long start = (received == 0 ? null : received - range * 24 * 3600L);
+        Long end = (received == 0 ? null : received + range * 24 * 3600L);
+
         List<TupleThreadInfo> infos = (all.size() == 0
                 ? new ArrayList<>()
                 : db.message().getThreadInfo(account, all, start, end));

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

@@ -877,6 +877,29 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/tvChunkSize" />
 
+                <eu.faircode.email.FixedTextView
+                    android:id="@+id/tvThreadRange"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:layout_marginEnd="48dp"
+                    android:text="@string/title_advanced_thread_range"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/sbChunkSize" />
+
+                <SeekBar
+                    android:id="@+id/sbThreadRange"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:max="10"
+                    android:min="0"
+                    android:progress="7"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvThreadRange" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swUndoManager"
                     android:layout_width="0dp"
@@ -886,7 +909,7 @@
                     android:text="@string/title_advanced_undo_manager"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/sbChunkSize"
+                    app:layout_constraintTop_toBottomOf="@id/sbThreadRange"
                     app:switchPadding="12dp" />
 
                 <androidx.appcompat.widget.SwitchCompat

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

@@ -711,6 +711,7 @@
     <string name="title_advanced_analyze" translatable="false">sqlite analyze</string>
     <string name="title_advanced_sqlite_cache" translatable="false">sqlite cache: %1$s %% - %2$s</string>
     <string name="title_advanced_chunk_size" translatable="false">Chunk size: %1$d</string>
+    <string name="title_advanced_thread_range" translatable="false">Thread range: %1$d days</string>
     <string name="title_advanced_undo_manager" translatable="false">Use Android\'s undo manager</string>
     <string name="title_advanced_webview_legacy" translatable="false">Old WebView behavior</string>
     <string name="title_advanced_modseq" translatable="false">MODSEQ</string>