1 files changed, 109 insertions, 0 deletions
diff --git a/mozilla-1607404-fix-remote-offset.patch b/mozilla-1607404-fix-remote-offset.patch
new file mode 100644
index 0000000..41a6fdc
--- /dev/null
+++ b/mozilla-1607404-fix-remote-offset.patch
@@ -0,0 +1,109 @@
+diff --git a/widget/gtk/nsWindow.h b/widget/gtk/nsWindow.h
+--- a/widget/gtk/nsWindow.h
++++ b/widget/gtk/nsWindow.h
+@@ -427,6 +427,8 @@
+ #endif
+   bool IsRemoteContent() { return HasRemoteContent(); }
+   static void HideWaylandOpenedPopups();
++  void NativeMoveResizeWaylandPopupCB(const GdkRectangle* aFinalSize,
++                                      bool aFlippedX, bool aFlippedY);
+ 
+  protected:
+   virtual ~nsWindow();
+diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
+--- a/widget/gtk/nsWindow.cpp
++++ b/widget/gtk/nsWindow.cpp
+@@ -1333,7 +1333,6 @@
+   return GTK_WIDGET(parentGtkWindow);
+ }
+ 
+-#ifdef DEBUG
+ static void NativeMoveResizeWaylandPopupCallback(
+     GdkWindow* window, const GdkRectangle* flipped_rect,
+     const GdkRectangle* final_rect, gboolean flipped_x, gboolean flipped_y,
+@@ -1341,12 +1340,60 @@
+   LOG(("NativeMoveResizeWaylandPopupCallback [%p] flipped_x %d flipped_y %d\n",
+        aWindow, flipped_x, flipped_y));
+ 
+-  LOG(("  flipped_rect x: %d y: %d width: %d height: %d\n", flipped_rect->x,
++  LOG(("  flipped_rect x=%d y=%d width=%d height=%d\n", flipped_rect->x,
+        flipped_rect->y, flipped_rect->width, flipped_rect->height));
+-  LOG(("  final_rect x: %d y: %d width: %d height: %d\n", final_rect->x,
++  LOG(("  final_rect   x=%d y=%d width=%d height=%d\n", final_rect->x,
+        final_rect->y, final_rect->width, final_rect->height));
+-}
+-#endif
++  nsWindow* wnd = get_window_for_gdk_window(window);
++
++  wnd->NativeMoveResizeWaylandPopupCB(final_rect, flipped_x, flipped_y);
++}
++
++void nsWindow::NativeMoveResizeWaylandPopupCB(const GdkRectangle* aFinalSize,
++                                              bool aFlippedX, bool aFlippedY) {
++  LOG(("  orig mBounds x=%d y=%d width=%d height=%d\n", mBounds.x, mBounds.y,
++       mBounds.width, mBounds.height));
++
++  GtkWindow* parentGtkWindow = gtk_window_get_transient_for(GTK_WINDOW(mShell));
++  if (!parentGtkWindow) {
++    NS_WARNING("Popup has no parent!");
++    return;
++  }
++
++  // The position of the menu in GTK is relative to it's parent window while
++  // in mBounds we have position relative to toplevel window. We need to check
++  // and update mBounds in the toplevel coordinates.
++  int x_parent, y_parent;
++  gdk_window_get_origin(gtk_widget_get_window(GTK_WIDGET(parentGtkWindow)),
++                        &x_parent, &y_parent);
++
++  LayoutDeviceIntRect newBounds(aFinalSize->x + x_parent,
++                                aFinalSize->y + y_parent, aFinalSize->width,
++                                aFinalSize->height);
++
++  newBounds.Scale(nsWindow::GdkScaleFactor());
++  LOG(("  new mBounds  x=%d y=%d width=%d height=%d\n", newBounds.x,
++       newBounds.y, newBounds.width, newBounds.height));
++
++  bool needsPositionUpdate =
++      (newBounds.x != mBounds.x || newBounds.y != mBounds.y);
++  bool needsSizeUpdate =
++      (newBounds.width != mBounds.width || newBounds.height != mBounds.height);
++
++  if (!needsPositionUpdate && !needsSizeUpdate) {
++    return;
++  }
++
++  if (needsPositionUpdate && needsSizeUpdate) {
++    Resize(newBounds.x, newBounds.y, newBounds.width, newBounds.height, true);
++    NotifyWindowMoved(newBounds.x, newBounds.y);
++  } else if (needsPositionUpdate) {
++    Move(newBounds.x, newBounds.y);
++    NotifyWindowMoved(newBounds.x, newBounds.y);
++  } else {
++    Resize(newBounds.width, newBounds.height, true);
++  }
++}
+ 
+ void nsWindow::NativeMoveResizeWaylandPopup(GdkPoint* aPosition,
+                                             GdkRectangle* aSize) {
+@@ -1392,15 +1439,16 @@
+     rect.width = aSize->width;
+     rect.height = aSize->height;
+   }
+-
+-#ifdef DEBUG
++  LOG(("  x_parent    %d   y_parent    %d\n", x_parent, y_parent));
++  LOG(("  aPosition x %d   aPosition y %d\n", aPosition->x, aPosition->y));
++  LOG(("  rect.x      %d   rect.y      %d\n", rect.x, rect.y));
++
+   if (!g_signal_handler_find(
+           gdkWindow, G_SIGNAL_MATCH_FUNC, 0, 0, nullptr,
+           FuncToGpointer(NativeMoveResizeWaylandPopupCallback), this)) {
+     g_signal_connect(gdkWindow, "moved-to-rect",
+                      G_CALLBACK(NativeMoveResizeWaylandPopupCallback), this);
+   }
+-#endif
+ 
+   GdkGravity rectAnchor = GDK_GRAVITY_NORTH_WEST;
+   GdkGravity menuAnchor = GDK_GRAVITY_NORTH_WEST;
+