Improve variable naming for clarity

Co-authored-by: adbenitez <24558636+adbenitez@users.noreply.github.com>

src/main/AndroidManifest.xml

@@ -360,6 +360,7 @@
     <activity android:name=".WebxdcActivity"
               android:label=""
               android:theme="@style/TextSecure.LightTheme"
+              android:windowSoftInputMode="adjustPan"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize|uiMode">
     </activity>
 

src/main/java/org/thoughtcrime/securesms/WebViewActivity.java

@@ -77,7 +77,8 @@ public class WebViewActivity extends PassphraseRequiredActionBarActivity
       findViewById(R.id.status_bar_background).setBackgroundResource(R.drawable.search_toolbar_shadow);
     } else {
       // add padding to avoid content hidden behind system bars
-      ViewUtil.applyWindowInsets(findViewById(R.id.content_container));
+      // Use applyWindowInsetsExcludingIme to respect navigation bars but not keyboard
+      ViewUtil.applyWindowInsetsExcludingIme(findViewById(R.id.content_container));
     }
 
     webView.setWebViewClient(new WebViewClient() {

src/main/java/org/thoughtcrime/securesms/util/ViewUtil.java

@@ -316,6 +316,23 @@ public class ViewUtil {
     return Insets.max(systemBars, displayCutout);
   }
 
+  /**
+   * Get combined insets from status bar, navigation bar and display cutout areas,
+   * excluding the IME (soft keyboard).
+   * 
+   * @param windowInsets The window insets to extract from
+   * @return Combined insets excluding IME
+   */
+  private static Insets getCombinedInsetsExcludingIme(@NonNull WindowInsetsCompat windowInsets) {
+    Insets systemBars = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars());
+    Insets displayCutout = windowInsets.getInsets(WindowInsetsCompat.Type.displayCutout());
+    
+    // Combine systemBars (which excludes IME) with displayCutout using max to handle notches/cutouts
+    Insets combined = Insets.max(systemBars, displayCutout);
+    
+    return combined;
+  }
+
   /**
    * Apply window insets to a view by adding margin to avoid drawing it behind system bars.
    * Convenience method that applies insets to all sides.
@@ -451,6 +468,67 @@ public class ViewUtil {
     }
   }
 
+  /**
+   * Apply window insets to a view by adding padding to avoid drawing elements behind system bars,
+   * excluding IME (soft keyboard) insets. This is useful for views that should respect navigation
+   * bars but handle keyboard resizing through the window's soft input mode.
+   * 
+   * This method stores the original padding values in view tags to ensure that
+   * padding doesn't accumulate on multiple inset applications.
+   * 
+   * Note: This feature is only enabled on API 30+ (Android 11+) where WindowInsets APIs
+   * work correctly. On older API levels, the method returns early and the view will use
+   * default system bar handling (content may be drawn behind system bars).
+   * 
+   * @param view The view to apply insets to
+   */
+  public static void applyWindowInsetsExcludingIme(@NonNull View view) {
+    // Only enable on API 30+ where WindowInsets APIs work correctly
+    if (!isEdgeToEdgeSupported()) return;
+
+    // Store the original padding as a tag only if not already stored
+    // This prevents losing the true original padding on subsequent calls
+    if (view.getTag(R.id.tag_window_insets_padding_left) == null) {
+      view.setTag(R.id.tag_window_insets_padding_left, view.getPaddingLeft());
+      view.setTag(R.id.tag_window_insets_padding_top, view.getPaddingTop());
+      view.setTag(R.id.tag_window_insets_padding_right, view.getPaddingRight());
+      view.setTag(R.id.tag_window_insets_padding_bottom, view.getPaddingBottom());
+    }
+
+    ViewCompat.setOnApplyWindowInsetsListener(view, (v, windowInsets) -> {
+      Insets insets = getCombinedInsetsExcludingIme(windowInsets);
+
+      // Retrieve the original padding values from tags with null checks
+      Integer leftTag = (Integer) v.getTag(R.id.tag_window_insets_padding_left);
+      Integer topTag = (Integer) v.getTag(R.id.tag_window_insets_padding_top);
+      Integer rightTag = (Integer) v.getTag(R.id.tag_window_insets_padding_right);
+      Integer bottomTag = (Integer) v.getTag(R.id.tag_window_insets_padding_bottom);
+      int basePaddingLeft = leftTag != null ? leftTag : 0;
+      int basePaddingTop = topTag != null ? topTag : 0;
+      int basePaddingRight = rightTag != null ? rightTag : 0;
+      int basePaddingBottom = bottomTag != null ? bottomTag : 0;
+
+      v.setPadding(
+          basePaddingLeft + insets.left,
+          basePaddingTop + insets.top,
+          basePaddingRight + insets.right,
+          basePaddingBottom + insets.bottom
+      );
+
+      // Consume IME insets to prevent them from affecting child views (like WebView)
+      // This stops the double-padding issue where both window resize and inset padding occur
+      WindowInsetsCompat withoutIme = new WindowInsetsCompat.Builder(windowInsets)
+          .setInsets(WindowInsetsCompat.Type.ime(), Insets.NONE)
+          .build();
+      return withoutIme;
+    });
+
+    // Request the initial insets to be dispatched if the view is attached
+    if (view.isAttachedToWindow()) {
+      ViewCompat.requestApplyInsets(view);
+    }
+  }
+
   /**
    * Apply the top status bar inset as the height of a view.
    */