Add filter by log level feature in debug log screen.

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) => {
+        return selectedLevels.some((level) => line.includes(level));
+      })
+      .join("\n");
+
+    editor.setValue(filtered, -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();
-      return newLine.includes(isCaseSensitive ? input : input.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);
 }
-
-function onFilterClose() {
-  isFiltered = false;
-  editor.setValue(logLines, -1);
-  highlightAllMatches(input);
-}

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)