1 files changed, 46 insertions, 0 deletions
diff --git a/widget/headless/HeadlessCompositorWidget.cpp b/widget/headless/HeadlessCompositorWidget.cpp
new file mode 100644
index 0000000000..bb4ee9175e
--- /dev/null
+++ b/widget/headless/HeadlessCompositorWidget.cpp
@@ -0,0 +1,46 @@
+/* -*- 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/. */
+
+#include "mozilla/widget/PlatformWidgetTypes.h"
+#include "HeadlessCompositorWidget.h"
+#include "VsyncDispatcher.h"
+
+namespace mozilla {
+namespace widget {
+
+HeadlessCompositorWidget::HeadlessCompositorWidget(
+    const HeadlessCompositorWidgetInitData& aInitData,
+    const layers::CompositorOptions& aOptions, HeadlessWidget* aWindow)
+    : CompositorWidget(aOptions),
+      mWidget(aWindow),
+      mClientSize(LayoutDeviceIntSize(aInitData.InitialClientSize()),
+                  "HeadlessCompositorWidget::mClientSize") {}
+
+void HeadlessCompositorWidget::ObserveVsync(VsyncObserver* aObserver) {
+  if (RefPtr<CompositorVsyncDispatcher> cvd =
+          mWidget->GetCompositorVsyncDispatcher()) {
+    cvd->SetCompositorVsyncObserver(aObserver);
+  }
+}
+
+nsIWidget* HeadlessCompositorWidget::RealWidget() { return mWidget; }
+
+void HeadlessCompositorWidget::NotifyClientSizeChanged(
+    const LayoutDeviceIntSize& aClientSize) {
+  auto size = mClientSize.Lock();
+  *size = aClientSize;
+}
+
+LayoutDeviceIntSize HeadlessCompositorWidget::GetClientSize() {
+  auto size = mClientSize.Lock();
+  return *size;
+}
+
+uintptr_t HeadlessCompositorWidget::GetWidgetKey() {
+  return reinterpret_cast<uintptr_t>(mWidget);
+}
+
+}  // namespace widget
+}  // namespace mozilla