1 files changed, 70 insertions, 0 deletions
diff --git a/mozilla-1705048.patch b/mozilla-1705048.patch
new file mode 100644
index 0000000..58497a4
--- /dev/null
+++ b/mozilla-1705048.patch
@@ -0,0 +1,70 @@
+diff -up firefox-88.0/widget/gtk/nsWindow.cpp.1705048 firefox-88.0/widget/gtk/nsWindow.cpp
+--- firefox-88.0/widget/gtk/nsWindow.cpp.1705048	2021-05-04 15:43:16.039586526 +0200
++++ firefox-88.0/widget/gtk/nsWindow.cpp	2021-05-04 15:47:26.358614462 +0200
+@@ -553,6 +553,7 @@ nsWindow::nsWindow() {
+   mTitlebarBackdropState = false;
+ 
+   mHasAlphaVisual = false;
++  mIsWaylandPanelWindow = false;
+   mIsPIPWindow = false;
+   mAlwaysOnTop = false;
+ 
+@@ -3713,7 +3714,7 @@ void nsWindow::OnButtonPressEvent(GdkEve
+ 
+   LayoutDeviceIntPoint refPoint =
+       GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
+-  if (mDraggableRegion.Contains(refPoint.x, refPoint.y) &&
++  if ((mIsWaylandPanelWindow || mDraggableRegion.Contains(refPoint.x, refPoint.y)) &&
+       domButton == MouseButton::ePrimary &&
+       eventStatus != nsEventStatus_eConsumeNoDefault) {
+     mWindowShouldStartDragging = true;
+@@ -4614,8 +4615,9 @@ nsresult nsWindow::Create(nsIWidget* aPa
+       // as a workaround.
+       mWindowType = eWindowType_toplevel;
+     } else if (mWindowType == eWindowType_popup && !aNativeParent && !aParent) {
+-      // Workaround for Wayland where the popup windows always need to have
+-      // parent window. For example webrtc ui is a popup window without parent.
++      // mIsWaylandPanelWindow is a special toplevel window on Wayland which
++      // emulates X11 popup window without parent.
++      mIsWaylandPanelWindow = true;
+       mWindowType = eWindowType_toplevel;
+     }
+   }
+@@ -4642,8 +4644,10 @@ nsresult nsWindow::Create(nsIWidget* aPa
+       // popup window position.
+       GtkWindowType type = GTK_WINDOW_TOPLEVEL;
+       if (mWindowType == eWindowType_popup) {
+-        type = (mIsX11Display && aInitData->mNoAutoHide) ? GTK_WINDOW_TOPLEVEL
+-                                                         : GTK_WINDOW_POPUP;
++        type = GTK_WINDOW_POPUP;
++        if (GdkIsX11Display() && aInitData->mNoAutoHide) {
++          type = GTK_WINDOW_TOPLEVEL;
++        }
+       }
+       mShell = gtk_window_new(type);
+ 
+@@ -4890,6 +4894,10 @@ nsresult nsWindow::Create(nsIWidget* aPa
+       }
+ #endif
+ 
++      if (mIsWaylandPanelWindow) {
++        gtk_window_set_decorated(GTK_WINDOW(mShell), false);
++      }
++
+       if (mWindowType == eWindowType_popup) {
+         // gdk does not automatically set the cursor for "temporary"
+         // windows, which are what gtk uses for popups.
+diff -up firefox-88.0/widget/gtk/nsWindow.h.1705048 firefox-88.0/widget/gtk/nsWindow.h
+--- firefox-88.0/widget/gtk/nsWindow.h.1705048	2021-05-04 15:43:16.041586502 +0200
++++ firefox-88.0/widget/gtk/nsWindow.h	2021-05-04 15:45:01.703331956 +0200
+@@ -591,6 +591,10 @@ class nsWindow final : public nsBaseWidg
+   LayoutDeviceIntRegion mDraggableRegion;
+   // It's PictureInPicture window.
+   bool mIsPIPWindow;
++  // It's undecorated popup utility window, without resizers/titlebar,
++  // movable by mouse. Used on Wayland as a workaround for popups without
++  // parent (for instance WebRTC sharing indicator).
++  bool mIsWaylandPanelWindow;
+   bool mAlwaysOnTop;
+ 
+ #ifdef ACCESSIBILITY