Add filter by log level feature in debug log screen.

app/src/main/java/org/thoughtcrime/securesms/logsubmit/SubmitDebugLogActivity.java

@@ -2,6 +2,7 @@ package org.thoughtcrime.securesms.logsubmit;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.content.res.ColorStateList;
 import android.net.Uri;
 import android.os.Bundle;
 import android.text.SpannableString;
@@ -20,6 +21,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.core.app.ShareCompat;
+import androidx.core.content.ContextCompat;
 import androidx.core.text.util.LinkifyCompat;
 import androidx.lifecycle.ViewModelProvider;
 
@@ -49,15 +51,12 @@ public class SubmitDebugLogActivity extends BaseActivity {
   private SubmitDebugLogViewModel viewModel;
 
   private View                           warningBanner;
-  private View                           editBanner;
   private CircularProgressMaterialButton submitButton;
   private ConversationSearchBottomBar    searchNav;
   private View                           scrollToBottomButton;
   private View                           scrollToTopButton;
   private ProgressCard                   progressCard;
 
-  private MenuItem editMenuItem;
-  private MenuItem doneMenuItem;
   private MenuItem searchMenuItem;
   private MenuItem saveMenuItem;
 
@@ -67,8 +66,21 @@ public class SubmitDebugLogActivity extends BaseActivity {
   private ImageButton searchUpButton;
   private ImageButton searchDownButton;
   
+  private TextView uncaughtButton;
+  private TextView verboseButton;
+  private TextView debugButton;
+  private TextView infoButton;
+  private TextView warningButton;
+  private TextView errorButton;
+
   private boolean isCaseSensitive;
   private boolean isFiltered;
+  private boolean isUncaught;
+  private boolean isVerbose;
+  private boolean isDebug;
+  private boolean isInfo;
+  private boolean isWarning;
+  private boolean isError;
   private boolean isWebViewLoaded;
   private boolean hasPresentedLines;
 
@@ -98,8 +110,6 @@ public class SubmitDebugLogActivity extends BaseActivity {
   public boolean onCreateOptionsMenu(Menu menu) {
     getMenuInflater().inflate(R.menu.submit_debug_log_normal, menu);
 
-    this.editMenuItem   = menu.findItem(R.id.menu_edit_log);
-    this.doneMenuItem   = menu.findItem(R.id.menu_done_editing_log);
     this.searchMenuItem = menu.findItem(R.id.menu_search);
     this.saveMenuItem   = menu.findItem(R.id.menu_save);
 
@@ -110,6 +120,13 @@ public class SubmitDebugLogActivity extends BaseActivity {
     this.searchUpButton      = findViewById(R.id.debug_log_search_up);
     this.searchDownButton    = findViewById(R.id.debug_log_search_down);
 
+    this.uncaughtButton = findViewById(R.id.debug_log_signalUncaughtException);
+    this.verboseButton  = findViewById(R.id.debug_log_verbose);
+    this.debugButton    = findViewById(R.id.debug_log_debug);
+    this.infoButton     = findViewById(R.id.debug_log_info);
+    this.warningButton  = findViewById(R.id.debug_log_warning);
+    this.errorButton    = findViewById(R.id.debug_log_error);
+
     searchUpButton.setOnClickListener(v -> {
       DebugLogsViewer.onSearchUp(logWebView);
       DebugLogsViewer.getSearchPosition(logWebView, position -> searchPosition.setText(position));
@@ -179,6 +196,7 @@ public class SubmitDebugLogActivity extends BaseActivity {
 
       @Override
       public boolean onMenuItemActionCollapse(MenuItem item) {
+        onFilterLevelClose();
         searchNav.setVisibility(View.GONE);
         submitButton.setVisibility(View.VISIBLE);
         DebugLogsViewer.onSearchClose(logWebView);
@@ -189,6 +207,37 @@ public class SubmitDebugLogActivity extends BaseActivity {
       }
     });
 
+    verboseButton.setOnClickListener(v -> {
+      isVerbose = !isVerbose;
+      onFilterLevel(v, isVerbose);
+    });
+
+    debugButton.setOnClickListener(v -> {
+      isDebug = !isDebug;
+      onFilterLevel(v, isDebug);
+    });
+
+    infoButton.setOnClickListener(v -> {
+      isInfo = !isInfo;
+      onFilterLevel(v, isInfo);
+    });
+
+    warningButton.setOnClickListener(v -> {
+      isWarning = !isWarning;
+      onFilterLevel(v, isWarning);
+    });
+
+    errorButton.setOnClickListener(v -> {
+      isError = !isError;
+      onFilterLevel(v, isError);
+    });
+
+    uncaughtButton.setOnClickListener(v -> {
+      isUncaught = !isUncaught;
+      onFilterLevel(v, isUncaught);
+    });
+    
+
     if (viewModel.getMode().getValue() != null) {
       presentMode(viewModel.getMode().getValue());
     }
@@ -196,6 +245,38 @@ public class SubmitDebugLogActivity extends BaseActivity {
     return true;
   }
 
+  private void onFilterLevel(View view, boolean isChecked) {
+    view.setBackgroundTintList(ColorStateList.valueOf(ContextCompat.getColor(this, (isChecked) ? R.color.transparent_black_25 : R.color.signal_background_secondary)));
+
+    List<String> selectedLevels = new ArrayList<>();
+
+    if (isVerbose)  selectedLevels.add("\" V \"");
+    if (isDebug)    selectedLevels.add("\" D \"");
+    if (isInfo)     selectedLevels.add("\" I \"");
+    if (isWarning)  selectedLevels.add("\" W \"");
+    if (isError)    selectedLevels.add("\" E \"");
+    if (isUncaught) selectedLevels.add("\" SignalUncaughtException:\"");
+
+    DebugLogsViewer.onFilterLevel(logWebView, "[" + String.join(",", selectedLevels) + "]");
+    DebugLogsViewer.getSearchPosition(logWebView, position -> searchPosition.setText(position));
+  }
+
+  private void onFilterLevelClose() {
+    isVerbose  = false;
+    isDebug    = false;
+    isInfo     = false;
+    isWarning  = false;
+    isError    = false;
+    isUncaught = false;
+
+    verboseButton.setBackgroundTintList(ColorStateList.valueOf(ContextCompat.getColor(this, R.color.signal_background_secondary)));
+    debugButton.setBackgroundTintList(ColorStateList.valueOf(ContextCompat.getColor(this, R.color.signal_background_secondary)));
+    infoButton.setBackgroundTintList(ColorStateList.valueOf(ContextCompat.getColor(this, R.color.signal_background_secondary)));
+    warningButton.setBackgroundTintList(ColorStateList.valueOf(ContextCompat.getColor(this, R.color.signal_background_secondary)));
+    errorButton.setBackgroundTintList(ColorStateList.valueOf(ContextCompat.getColor(this, R.color.signal_background_secondary)));
+    uncaughtButton.setBackgroundTintList(ColorStateList.valueOf(ContextCompat.getColor(this, R.color.signal_background_secondary)));
+  }
+
   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
     super.onOptionsItemSelected(item);
@@ -203,10 +284,6 @@ public class SubmitDebugLogActivity extends BaseActivity {
     if (item.getItemId() == android.R.id.home) {
       finish();
       return true;
-    } else if (item.getItemId() == R.id.menu_edit_log) {
-      viewModel.onEditButtonPressed();
-    } else if (item.getItemId() == R.id.menu_done_editing_log) {
-      viewModel.onDoneEditingButtonPressed();
     } else if (item.getItemId() == R.id.menu_save) {
       Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
       intent.addCategory(Intent.CATEGORY_OPENABLE);
@@ -242,7 +319,6 @@ public class SubmitDebugLogActivity extends BaseActivity {
   private void initView() {
     this.logWebView           = findViewById(R.id.debug_log_lines);
     this.warningBanner        = findViewById(R.id.debug_log_warning_banner);
-    this.editBanner           = findViewById(R.id.debug_log_edit_banner);
     this.submitButton         = findViewById(R.id.debug_log_submit_button);
     this.scrollToBottomButton = findViewById(R.id.debug_log_scroll_to_bottom);
     this.scrollToTopButton    = findViewById(R.id.debug_log_scroll_to_top);
@@ -279,50 +355,44 @@ public class SubmitDebugLogActivity extends BaseActivity {
       hasPresentedLines = true;
     }
 
+    int chunkSize = 1000;
+    int count     = 0;
+
     StringBuilder lineBuilder = new StringBuilder();
 
     for (LogLine line : lines) {
       if (line == null) continue;
 
       lineBuilder.append(String.format("%s\n", line.getText()));
+      count++;
+
+      if (count >= chunkSize) {
+        DebugLogsViewer.presentLines(logWebView, lineBuilder.toString());
+        lineBuilder.setLength(0);
+        count = 0;
+      }
     }
 
+    if (lineBuilder.length() > 0) {
       DebugLogsViewer.presentLines(logWebView, lineBuilder.toString());
     }
+  }
 
   private void presentMode(@NonNull SubmitDebugLogViewModel.Mode mode) {
-    if (editMenuItem == null || doneMenuItem == null || searchMenuItem == null || saveMenuItem == null) {
+    if (searchMenuItem == null || saveMenuItem == null) {
       return;
     }
 
     switch (mode) {
       case NORMAL:
-        editBanner.setVisibility(View.GONE);
         searchNav.setVisibility(View.GONE);
-        // TODO [lisa][debug-log-editing]
-//        setEditing(false);
         saveMenuItem.setVisible(true);
-        // TODO [greyson][log] Not yet implemented
-//        editMenuItem.setVisible(true);
-//        doneMenuItem.setVisible(false);
         searchMenuItem.setVisible(true);
         break;
       case SUBMITTING:
-        editBanner.setVisibility(View.GONE);
-//        setEditing(false);
-        editMenuItem.setVisible(false);
-        doneMenuItem.setVisible(false);
         searchMenuItem.setVisible(false);
         saveMenuItem.setVisible(false);
         break;
-      case EDIT:
-        editBanner.setVisibility(View.VISIBLE);
-//        setEditing(true);
-        editMenuItem.setVisible(false);
-        doneMenuItem.setVisible(true);
-        searchMenuItem.setVisible(true);
-        saveMenuItem.setVisible(false);
-        break;
     }
   }
 

app/src/main/java/org/thoughtcrime/securesms/logsubmit/SubmitDebugLogViewModel.java

@@ -110,37 +110,12 @@ public class SubmitDebugLogViewModel extends ViewModel {
     });
   }
 
-  void onQueryUpdated(@NonNull String query) {
-    throw new UnsupportedOperationException("Not yet implemented.");
-  }
-
-  void onSearchClosed() {
-    throw new UnsupportedOperationException("Not yet implemented.");
-  }
-
-  void onEditButtonPressed() {
-    throw new UnsupportedOperationException("Not yet implemented.");
-  }
-
-  void onDoneEditingButtonPressed() {
-    throw new UnsupportedOperationException("Not yet implemented.");
-  }
-
-  void onLogDeleted(@NonNull LogLine line) {
-    throw new UnsupportedOperationException("Not yet implemented.");
-  }
-
   boolean onBackPressed() {
-    if (mode.getValue() == Mode.EDIT) {
-      mode.setValue(Mode.NORMAL);
-      return true;
-    } else {
     return false;
   }
-  }
 
   enum Mode {
-    NORMAL, EDIT, SUBMITTING
+    NORMAL, SUBMITTING
   }
 
   enum Event {

app/src/main/res/drawable/circle_tint_darker.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval">
-    <solid android:color="@color/transparent_black_40"/>
+    <solid android:color="@color/transparent_black_25"/>
 </shape>

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

@@ -20,28 +20,12 @@
       app:layout_constraintEnd_toEndOf="parent"
       tools:visibility="visible"/>
 
-  <TextView
-      android:id="@+id/debug_log_edit_banner"
-      android:layout_width="0dp"
-      android:layout_height="0dp"
-      android:padding="8dp"
-      android:gravity="center"
-      android:text="@string/SubmitDebugLogActivity_tap_a_line_to_delete_it"
-      android:textColor="@color/core_white"
-      android:fontFamily="sans-serif-medium"
-      android:background="@color/core_ultramarine"
-      android:visibility="gone"
-      app:layout_constraintTop_toTopOf="@id/debug_log_warning_banner"
-      app:layout_constraintBottom_toBottomOf="@id/debug_log_warning_banner"
-      app:layout_constraintStart_toStartOf="parent"
-      app:layout_constraintEnd_toEndOf="parent" />
-
   <androidx.constraintlayout.widget.Barrier
       android:id="@+id/debug_log_header_barrier"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       app:barrierDirection="bottom"
-      app:constraint_referenced_ids="debug_log_warning_banner,debug_log_edit_banner" />
+      app:constraint_referenced_ids="debug_log_warning_banner" />
 
   <WebView
       android:id="@+id/debug_log_lines"
@@ -98,34 +82,130 @@
       app:layout_constraintBottom_toBottomOf="parent"
       tools:visibility="visible">
 
+    <LinearLayout
+        android:id="@+id/debug_log_levels"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/debug_log_filter"
+        android:layout_marginVertical="5dp"
+        android:paddingVertical="4dp"
+        android:orientation="horizontal"
+        android:gravity="center"
+        >
+
+      <TextView
+          android:id="@+id/debug_log_verbose"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          style="@style/Signal.Text.Caption"
+          android:textAllCaps="true"
+          android:padding="8dp"
+          android:background="@drawable/tintable_pill_bg"
+          android:backgroundTint="@color/signal_background_secondary"
+          android:text="@string/SubmitDebugLogActivity_verbose"
+          app:layout_constraintBottom_toBottomOf="parent"
+          app:layout_constraintEnd_toStartOf="parent"
+          app:layout_constraintTop_toTopOf="parent" />
+
+      <TextView
+          android:id="@+id/debug_log_debug"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          style="@style/Signal.Text.Caption"
+          android:textAllCaps="true"
+          android:padding="8dp"
+          android:background="@drawable/tintable_pill_bg"
+          android:backgroundTint="@color/signal_background_secondary"
+          android:text="@string/SubmitDebugLogActivity_debug"
+          app:layout_constraintBottom_toBottomOf="parent"
+          app:layout_constraintEnd_toStartOf="@id/debug_log_verbose"
+          app:layout_constraintTop_toTopOf="parent" />
+
+      <TextView
+          android:id="@+id/debug_log_info"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:text="@string/SubmitDebugLogActivity_info"
+          style="@style/Signal.Text.Caption"
+          android:textAllCaps="true"
+          android:padding="8dp"
+          android:background="@drawable/tintable_pill_bg"
+          android:backgroundTint="@color/signal_background_secondary"
+          app:layout_constraintBottom_toBottomOf="parent"
+          app:layout_constraintEnd_toStartOf="@id/debug_log_debug"
+          app:layout_constraintTop_toTopOf="parent" />
+
+      <TextView
+          android:id="@+id/debug_log_warning"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:text="@string/SubmitDebugLogActivity_warning"
+          style="@style/Signal.Text.Caption"
+          android:textAllCaps="true"
+          android:padding="8dp"
+          android:background="@drawable/tintable_pill_bg"
+          android:backgroundTint="@color/signal_background_secondary"
+          app:layout_constraintBottom_toBottomOf="parent"
+          app:layout_constraintEnd_toStartOf="@id/info"
+          app:layout_constraintTop_toTopOf="parent" />
+
+      <TextView
+          android:id="@+id/debug_log_error"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:text="@string/SubmitDebugLogActivity_error"
+          style="@style/Signal.Text.Caption"
+          android:textAllCaps="true"
+          android:padding="8dp"
+          android:background="@drawable/tintable_pill_bg"
+          android:backgroundTint="@color/signal_background_secondary"
+          app:layout_constraintBottom_toBottomOf="parent"
+          app:layout_constraintEnd_toStartOf="@id/debug_log_warning"
+          app:layout_constraintTop_toTopOf="parent" />
+
+      <TextView
+          android:id="@+id/debug_log_signalUncaughtException"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:text="@string/SubmitDebugLogActivity_signal_uncaught_exception"
+          style="@style/Signal.Text.Caption"
+          android:textAllCaps="true"
+          android:padding="8dp"
+          android:background="@drawable/tintable_pill_bg"
+          android:backgroundTint="@color/signal_background_secondary"
+          android:textAlignment="center"
+          app:layout_constraintBottom_toBottomOf="parent"
+          app:layout_constraintEnd_toStartOf="@id/debug_log_error"
+          app:layout_constraintTop_toTopOf="parent" />
+    </LinearLayout>
+
     <ImageButton
         android:id="@+id/debug_log_filter"
         android:layout_width="40dp"
         android:layout_height="40dp"
         android:background="@drawable/circle_touch_highlight_background"
-        android:layout_marginTop="8dp"
         android:layout_marginStart="8dp"
         android:layout_marginBottom="8dp"
         android:padding="8dp"
         android:src="@drawable/symbol_filter_24"
         app:tint="@color/signal_colorOnSurface"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/debug_log_levels" />
-        app:layout_constraintBottom_toBottomOf="parent" />
 
     <ImageButton
         android:id="@+id/case_sensitive_button"
         android:layout_width="40dp"
         android:layout_height="40dp"
         android:background="@drawable/circle_touch_highlight_background"
-        android:layout_marginTop="8dp"
         android:layout_marginStart="8dp"
         android:layout_marginBottom="8dp"
         android:padding="8dp"
         android:src="@drawable/symbol_match_case_24"
         app:tint="@color/signal_colorOnSurface"
-        app:layout_constraintStart_toEndOf="@+id/debug_log_filter"
+        app:layout_constraintStart_toEndOf="@id/debug_log_filter"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/debug_log_levels"
         app:layout_constraintBottom_toBottomOf="parent" />
 
     <TextView
@@ -133,19 +213,17 @@
         style="@style/Signal.Text.Body"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginTop="8dp"
         android:layout_marginEnd="16dp"
         android:layout_marginBottom="8dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@+id/debug_log_search_up"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/debug_log_levels"
         tools:text="37 of 73" />
 
     <ImageButton
         android:id="@+id/debug_log_search_up"
         android:layout_width="40dp"
         android:layout_height="40dp"
-        android:layout_marginTop="8dp"
         android:layout_marginEnd="8dp"
         android:layout_marginBottom="8dp"
         android:background="?selectableItemBackgroundBorderless"
@@ -154,13 +232,12 @@
         app:tint="@color/core_ultramarine"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@+id/debug_log_search_down"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toBottomOf="@id/debug_log_levels" />
 
     <ImageButton
         android:id="@+id/debug_log_search_down"
         android:layout_width="40dp"
         android:layout_height="40dp"
-        android:layout_marginTop="8dp"
         android:layout_marginEnd="8dp"
         android:layout_marginBottom="8dp"
         android:background="?selectableItemBackgroundBorderless"
@@ -169,8 +246,7 @@
         app:tint="@color/core_ultramarine"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toBottomOf="@id/debug_log_levels" />
-
   </org.thoughtcrime.securesms.components.ConversationSearchBottomBar>
 
   <org.thoughtcrime.securesms.util.views.CircularProgressMaterialButton
@@ -179,6 +255,7 @@
       android:layout_height="wrap_content"
       android:layout_gravity="center_horizontal"
       android:layout_margin="8dp"
+      android:paddingTop="8dp"
       android:visibility="gone"
       app:circularProgressMaterialButton__label="@string/SubmitDebugLogActivity_submit"
       app:layout_constraintStart_toStartOf="parent"

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

@@ -12,18 +12,6 @@
       app:actionViewClass="org.thoughtcrime.securesms.components.SearchView"
       app:showAsAction="collapseActionView|always" />
 
-  <item
-      android:id="@+id/menu_edit_log"
-      android:title="@string/SubmitDebugLogActivity_edit"
-      android:visible="false"
-      app:showAsAction="always" />
-
-  <item
-      android:id="@+id/menu_done_editing_log"
-      android:title="@string/SubmitDebugLogActivity_done"
-      android:visible="false"
-      app:showAsAction="always" />
-
   <item
       android:id="@+id/menu_save"
       android:icon="@drawable/symbol_save_android_24"

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

@@ -2928,6 +2928,13 @@
     <string name="SubmitDebugLogActivity_this_log_will_be_posted_publicly_online_for_contributors">This log will be posted publicly online for contributors to view. You may examine it before uploading.</string>
     <!-- Banner message shown while submitting debug log -->
     <string name="SubmitDebugLogActivity_your_log_will_be_posted_online">When you click Submit, your log will be posted online for 30 days at a unique, unpublished URL. You may Save it locally first.</string>
+    <!-- Debug log level names to filter by levels. -->
+    <string name="SubmitDebugLogActivity_signal_uncaught_exception" translatable="false">Uncaught</string>
+    <string name="SubmitDebugLogActivity_verbose" translatable="false">Verbose</string>
+    <string name="SubmitDebugLogActivity_debug" translatable="false">Debug</string>
+    <string name="SubmitDebugLogActivity_info" translatable="false">Info</string>
+    <string name="SubmitDebugLogActivity_warning" translatable="false">Warn</string>
+    <string name="SubmitDebugLogActivity_error" translatable="false">Error</string>
 
     <!-- SupportEmailUtil -->
     <string name="SupportEmailUtil_support_email" translatable="false">support@signal.org</string>

debuglogs-viewer/lib/src/main/assets/debuglogs-viewer.js

@@ -54,6 +54,7 @@ const session = editor.getSession();
 
 let logLines = ""; // Original logLines
 let input = ""; // Search query input
+let selectedLevels = []; // Log levels that are selected in checkboxes
 let markers = []; // IDs of highlighted search markers
 let matchRanges = []; // Ranges of all search matches
 let matchCount = 0; // Total number of matches
@@ -134,6 +135,7 @@ function onSearchDown() {
 }
 
 function onSearchClose() {
+  editor.setValue(logLines, -1);
   editor.getSelection().clearSelection();
   input = "";
   clearMarkers();
@@ -156,19 +158,64 @@ function onFilter() {
   isFiltered = true;
   editor.getSelection().clearSelection();
   clearMarkers();
+  applyFilter();
+}
+
+function onFilterClose() {
+  isFiltered = false;
+  clearMarkers();
+  editor.getSelection().clearSelection();
+
+  if (selectedLevels.length === 0) {
+    editor.setValue(logLines, -1);
+  } else {
     const filtered = logLines
       .split("\n")
       .filter((line) => {
-      const newLine = isCaseSensitive ? line : line.toLowerCase();
+        return selectedLevels.some((level) => line.includes(level));
-      return newLine.includes(isCaseSensitive ? input : input.toLowerCase());
       })
       .join("\n");
 
     editor.setValue(filtered, -1);
   }
 
-function onFilterClose() {
-  isFiltered = false;
-  editor.setValue(logLines, -1);
   highlightAllMatches(input);
 }
+
+
+function onFilterLevel(sLevels) {
+  selectedLevels = sLevels;
+
+  if (isFiltered) {
+    applyFilter();
+  } else {
+    if (selectedLevels.length === 0) {
+      editor.setValue(logLines, -1);
+      editor.scrollToRow(0);
+    } else {
+      const filtered = logLines
+        .split("\n")
+        .filter((line) => {
+          return selectedLevels.some((level) => line.includes(level));
+        })
+        .join("\n");
+
+      editor.setValue(filtered, -1);
+    }
+    onSearch();
+  }
+}
+
+function applyFilter() {
+  const filtered = logLines
+    .split("\n")
+    .filter((line) => {
+      const newLine = isCaseSensitive ? line : line.toLowerCase();
+      const lineMatch = newLine.includes(isCaseSensitive ? input : input.toLowerCase());
+      const levelMatch = selectedLevels.length === 0 || selectedLevels.some((level) => line.includes(level));
+      return lineMatch && levelMatch;
+    })
+    .join("\n");
+
+  editor.setValue(filtered, -1);
+}

debuglogs-viewer/lib/src/main/java/org/signal/debuglogsviewer/DebugLogsViewer.kt

@@ -47,7 +47,7 @@ object DebugLogsViewer {
   fun presentLines(webview: WebView, lines: String) {
     // Set the debug log lines
     val escaped = JSONObject.quote(lines)
-    webview.evaluateJavascript("editor.insert($escaped); logLines=$escaped;", null)
+    webview.evaluateJavascript("editor.insert($escaped); logLines+=$escaped;", null)
   }
 
   @JvmStatic
@@ -80,6 +80,12 @@ object DebugLogsViewer {
     webview.evaluateJavascript("onFilterClose()", null)
   }
 
+  @JvmStatic
+  fun onFilterLevel(webview: WebView, selectedLevels: String) {
+    webview.evaluateJavascript("if (isFiltered) { onFilter(); }", null)
+    webview.evaluateJavascript("onFilterLevel($selectedLevels)", null)
+  }
+
   @JvmStatic
   fun onSearchUp(webview: WebView) {
     webview.evaluateJavascript("onSearchUp();", null)