Simplify onNavigationClick

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryCommentsScene.java

@@ -266,11 +266,6 @@ public final class GalleryCommentsScene extends ToolbarScene
         setNavigationIcon(R.drawable.v_arrow_left_dark_x24);
     }
 
-    @Override
-    public void onNavigationClick() {
-        requireActivity().getOnBackPressedDispatcher().onBackPressed();
-    }
-
     private void showFilterCommenterDialog(String commenter, int position) {
         Context context = getContext();
         if (context == null || commenter == null) {

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.java

@@ -471,12 +471,6 @@ public class GalleryDetailScene extends CollapsingToolbarScene implements View.O
         setNavigationIcon(R.drawable.v_arrow_left_dark_x24);
     }
 
-    @Override
-    public void onNavigationClick() {
-        requireActivity().getOnBackPressedDispatcher().onBackPressed();
-        super.onNavigationClick();
-    }
-
     @Override
     public boolean onMenuItemClick(MenuItem item) {
         int itemId = item.getItemId();

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryPreviewsScene.java

@@ -218,11 +218,6 @@ public class GalleryPreviewsScene extends ToolbarScene {
         return false;
     }
 
-    @Override
-    public void onNavigationClick() {
-        requireActivity().getOnBackPressedDispatcher().onBackPressed();
-    }
-
     public boolean onItemClick(int position) {
         Context context = getContext();
         if (null != context && null != mHelper && null != mGalleryInfo) {

app/src/main/java/com/hippo/ehviewer/ui/scene/HistoryScene.kt

@@ -189,7 +189,6 @@ class HistoryScene : ToolbarScene() {
         mRecyclerView = null
     }
 
-    @SuppressLint("RtlHardcoded")
     override fun onNavigationClick() {
         toggleDrawer(GravityCompat.START)
     }

app/src/main/java/com/hippo/ehviewer/ui/scene/ToolbarScene.kt

@@ -86,7 +86,9 @@ abstract class ToolbarScene : BaseScene() {
         return false
     }
 
-    open fun onNavigationClick() {}
+    open fun onNavigationClick() {
+        requireActivity().onBackPressedDispatcher.onBackPressed()
+    }
 
     fun setNavigationIcon(@DrawableRes resId: Int) {
         mToolbar?.setNavigationIcon(resId)