Fix incorrect vertical position of scroll to bottom button

vkryl · vkryl · commit e1c3fff93bd5 · 2025-08-29T00:15:20.000+03:00
diff --git a/app/src/main/java/org/thunderdog/challegram/component/chat/ChatBottomBarView.java b/app/src/main/java/org/thunderdog/challegram/component/chat/ChatBottomBarView.java
@@ -253,12 +253,25 @@ protected void onMeasure (int widthMeasureSpec, int heightMeasureSpec) {
   public void setCollapseFactor (float collapseFactor) {
     if (this.collapseFactor != collapseFactor) {
       this.collapseFactor = collapseFactor;
-      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-        invalidateOutline();
-      }
-      drawable.invalidateSelf();
-      invalidate();
+      update();
+    }
+  }
+
+  @Override
+  public void setPadding (int left, int top, int right, int bottom) {
+    boolean bottomUpdated = bottom != getPaddingBottom();
+    super.setPadding(left, top, right, bottom);
+    if (bottomUpdated) {
+      update();
+    }
+  }
+
+  public void update () {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+      invalidateOutline();
     }
+    drawable.invalidateSelf();
+    invalidate();
   }
 
   @Override
diff --git a/app/src/main/java/org/thunderdog/challegram/ui/MessagesController.java b/app/src/main/java/org/thunderdog/challegram/ui/MessagesController.java
@@ -605,7 +605,7 @@ protected void onBottomInsetChanged (int extraBottomInset, int extraBottomInsetW
     );
     Views.setLayoutHeight(bottomBar, Screen.dp(48f) + extraBottomInsetWithoutIme);
     Views.setPaddingBottom(bottomBar, extraBottomInsetWithoutIme);
-    updateBottomBarStyle();
+    checkScrollButtonOffsets();
     updateMessagesViewInset();
     onMessagesFrameChanged();
   }
@@ -1413,7 +1413,7 @@ protected void onMeasure (int widthMeasureSpec, int heightMeasureSpec) {
     bottomBar.setOnClickListener(this);
     bottomBar.setLayoutParams(params);
     addThemeInvalidateListener(bottomBar);
-    updateBottomBarStyle();
+    checkScrollButtonOffsets();
     updateMessagesViewInset();
 
     if (previewMode == PREVIEW_MODE_WALLPAPER_OBJECT) {
