Added fix for mozilla#1593408

1 files changed, 76 insertions, 0 deletions

diff --git a/mozilla-1593408.patch b/mozilla-1593408.patch
new file mode 100644
index 0000000..e5b5f46
--- /dev/null
+++ b/mozilla-1593408.patch
@@ -0,0 +1,76 @@
+diff -up firefox-71.0/widget/gtk/mozcontainer.cpp.mozilla-1593408 firefox-71.0/widget/gtk/mozcontainer.cpp
+--- firefox-71.0/widget/gtk/mozcontainer.cpp.mozilla-1593408	2019-11-26 01:02:30.000000000 +0100
++++ firefox-71.0/widget/gtk/mozcontainer.cpp	2019-11-27 11:41:20.539447954 +0100
+@@ -76,6 +76,10 @@ static void moz_container_allocate_child
+                                          MozContainerChild* child);
+ static MozContainerChild* moz_container_get_child(MozContainer* container,
+                                                   GtkWidget* child);
++#ifdef MOZ_WAYLAND
++static wl_surface* moz_container_get_gtk_container_surface(
++    MozContainer* container);
++#endif
+ 
+ /* public methods */
+ 
+@@ -158,6 +162,22 @@ void moz_container_move(MozContainer* co
+   container->subsurface_dx = dx;
+   container->subsurface_dy = dy;
+   container->surface_position_update = true;
++
++  // Wayland subsurface is not created yet.
++  if (!container->subsurface) {
++    return;
++  }
++
++  // wl_subsurface_set_position is actually property of parent surface
++  // which is effective when parent surface is commited.
++  wl_surface* parent_surface =
++      moz_container_get_gtk_container_surface(container);
++  if (parent_surface) {
++    wl_subsurface_set_position(container->subsurface, container->subsurface_dx,
++                               container->subsurface_dy);
++    wl_surface_commit(parent_surface);
++    container->surface_position_needs_update = false;
++  }
+ }
+ 
+ void moz_container_scale_update(MozContainer* container) {
+@@ -620,18 +640,9 @@ struct wl_surface* moz_container_get_wl_
+                 (void*)container->surface));
+   }
+ 
+-  // wl_subsurface_set_position is actually property of parent surface
+-  // which is effective when parent surface is commited.
+   if (container->surface_position_update) {
+-    wl_surface* parent_surface =
+-        moz_container_get_gtk_container_surface(container);
+-    if (parent_surface) {
+-      wl_subsurface_set_position(container->subsurface,
+-                                 container->subsurface_dx,
+-                                 container->subsurface_dy);
+-      wl_surface_commit(parent_surface);
+-      container->surface_position_update = true;
+-    }
++    moz_container_move(container, container->subsurface_dx,
++                       container->subsurface_dy);
+   }
+ 
+   return container->surface;
+@@ -641,12 +652,12 @@ struct wl_egl_window* moz_container_get_
+   LOGWAYLAND(("%s [%p] eglwindow %p\n", __FUNCTION__, (void*)container,
+               (void*)container->eglwindow));
+ 
+-  if (!container->eglwindow) {
+-    wl_surface* surface = moz_container_get_wl_surface(container);
+-    if (!surface) {
+-      return nullptr;
+-    }
++  wl_surface* surface = moz_container_get_wl_surface(container);
++  if (!surface) {
++    return nullptr;
++  }
+ 
++  if (!container->eglwindow) {
+     GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(container));
+     gint scale = moz_container_get_scale(container);
+     container->eglwindow =