1 files changed, 37 insertions, 0 deletions
diff --git a/hal/HalScreenConfiguration.h b/hal/HalScreenConfiguration.h
new file mode 100644
index 0000000000..9a577884b6
--- /dev/null
+++ b/hal/HalScreenConfiguration.h
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et ft=cpp : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_HalScreenConfiguration_h
+#define mozilla_HalScreenConfiguration_h
+
+#include "mozilla/Observer.h"
+#include "mozilla/TypedEnumBits.h"
+
+// Undo X11/X.h's definition of None
+#undef None
+
+namespace mozilla::hal {
+
+// Make sure that any change to ScreenOrientation values are also made in
+// mobile/android/geckoview/src/main/java/org/mozilla/gecko/GeckoScreenOrientation.java
+enum class ScreenOrientation : uint32_t {
+  None = 0,
+  PortraitPrimary = 1u << 0,
+  PortraitSecondary = 1u << 1,
+  LandscapePrimary = 1u << 2,
+  LandscapeSecondary = 1u << 3,
+  // Default will use the natural orientation for the device, it could be
+  // PortraitPrimary or LandscapePrimary depends on display resolution
+  Default = 1u << 4,
+};
+
+constexpr auto kAllScreenOrientationBits = ScreenOrientation((1 << 5) - 1);
+
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(ScreenOrientation);
+
+}  // namespace mozilla::hal
+
+#endif  // mozilla_HalScreenConfiguration_h