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mojo/services/native_viewport/onscreen_context_provider.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SERVICES_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
+#define SERVICES_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
+
+#include "base/memory/ref_counted.h"
+#include "third_party/mojo_services/src/gpu/public/interfaces/context_provider.mojom.h"
+#include "third_party/mojo_services/src/gpu/public/interfaces/viewport_parameter_listener.mojom.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace gles2 {
+class GpuState;
+}
+
+namespace native_viewport {
+
+class OnscreenContextProvider : public mojo::ContextProvider {
+ public:
+  explicit OnscreenContextProvider(const scoped_refptr<gles2::GpuState>& state);
+  ~OnscreenContextProvider() override;
+
+  void Bind(mojo::InterfaceRequest<mojo::ContextProvider> request);
+
+  void SetAcceleratedWidget(gfx::AcceleratedWidget widget);
+
+ private:
+  // mojo::ContextProvider implementation:
+  void Create(mojo::ViewportParameterListenerPtr viewport_parameter_listener,
+              const CreateCallback& callback) override;
+
+  void CreateAndReturnCommandBuffer();
+
+  scoped_refptr<gles2::GpuState> state_;
+  gfx::AcceleratedWidget widget_;
+  mojo::ViewportParameterListenerPtr pending_listener_;
+  CreateCallback pending_create_callback_;
+  mojo::Binding<mojo::ContextProvider> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(OnscreenContextProvider);
+};
+
+}  // namespace mojo
+
+#endif  // SERVICES_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_