1 files changed, 41 insertions, 0 deletions
diff --git a/system/graphics/src/nsRenderingContext.h b/system/graphics/src/nsRenderingContext.h
new file mode 100644
index 000000000..02bb397d6
--- /dev/null
+++ b/system/graphics/src/nsRenderingContext.h
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 NSRENDERINGCONTEXT__H__
+#define NSRENDERINGCONTEXT__H__
+
+#include "gfxContext.h"
+#include "mozilla/Attributes.h"
+#include "nsCOMPtr.h"
+#include "mozilla/RefPtr.h"
+
+namespace mozilla {
+namespace gfx {
+class DrawTarget;
+} // namespace gfx
+} // namespace mozilla
+
+class MOZ_STACK_CLASS nsRenderingContext final
+{
+    typedef mozilla::gfx::DrawTarget DrawTarget;
+
+public:
+    explicit nsRenderingContext(gfxContext* aThebesContext)
+      : mThebes(aThebesContext)
+    {}
+
+    explicit nsRenderingContext(already_AddRefed<gfxContext>&& aThebesContext)
+      : mThebes(aThebesContext)
+    {}
+
+    // These accessors will never return null.
+    gfxContext *ThebesContext() { return mThebes; }
+    DrawTarget *GetDrawTarget() { return mThebes->GetDrawTarget(); }
+
+private:
+    RefPtr<gfxContext> mThebes;
+};
+
+#endif  // NSRENDERINGCONTEXT__H__