1 files changed, 54 insertions, 0 deletions
diff --git a/widget/headless/HeadlessCompositorWidget.h b/widget/headless/HeadlessCompositorWidget.h
new file mode 100644
index 0000000000..facd2bc65a
--- /dev/null
+++ b/widget/headless/HeadlessCompositorWidget.h
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 widget_headless_HeadlessCompositorWidget_h
+#define widget_headless_HeadlessCompositorWidget_h
+
+#include "mozilla/widget/CompositorWidget.h"
+
+#include "HeadlessWidget.h"
+
+namespace mozilla {
+namespace widget {
+
+class HeadlessCompositorWidgetInitData;
+
+class HeadlessCompositorWidget final : public CompositorWidget,
+                                       public CompositorWidgetDelegate {
+ public:
+  HeadlessCompositorWidget(const HeadlessCompositorWidgetInitData& aInitData,
+                           const layers::CompositorOptions& aOptions,
+                           HeadlessWidget* aWindow);
+
+  void NotifyClientSizeChanged(const LayoutDeviceIntSize& aClientSize);
+
+  // CompositorWidget Overrides
+
+  uintptr_t GetWidgetKey() override;
+
+  LayoutDeviceIntSize GetClientSize() override;
+
+  nsIWidget* RealWidget() override;
+  CompositorWidgetDelegate* AsDelegate() override { return this; }
+
+  void ObserveVsync(VsyncObserver* aObserver) override;
+
+  // CompositorWidgetDelegate Overrides
+
+  HeadlessCompositorWidget* AsHeadlessCompositorWidget() override {
+    return this;
+  }
+
+ private:
+  HeadlessWidget* mWidget;
+
+  // See GtkCompositorWidget for the justification for this mutex.
+  DataMutex<LayoutDeviceIntSize> mClientSize;
+};
+
+}  // namespace widget
+}  // namespace mozilla
+
+#endif  // widget_headless_HeadlessCompositor_h