Initial checkin of the new Mozart compositor.

services/gfx/compositor/scene_impl.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_GFX_COMPOSITOR_SCENE_IMPL_H_
+#define SERVICES_GFX_COMPOSITOR_SCENE_IMPL_H_
+
+#include "base/macros.h"
+#include "mojo/common/binding_set.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "mojo/services/gfx/composition/interfaces/scenes.mojom.h"
+#include "mojo/services/gfx/composition/interfaces/scheduling.mojom.h"
+#include "services/gfx/compositor/compositor_engine.h"
+#include "services/gfx/compositor/scene_state.h"
+
+namespace compositor {
+
+// Scene interface implementation.
+// This object is owned by its associated SceneState.
+class SceneImpl : public mojo::gfx::composition::Scene,
+                  public mojo::gfx::composition::SceneScheduler {
+ public:
+  SceneImpl(
+      CompositorEngine* engine,
+      SceneState* state,
+      mojo::InterfaceRequest<mojo::gfx::composition::Scene> scene_request);
+  ~SceneImpl() override;
+
+  void set_connection_error_handler(const base::Closure& handler) {
+    scene_binding_.set_connection_error_handler(handler);
+  }
+
+ private:
+  // |Scene|:
+  void SetListener(mojo::gfx::composition::SceneListenerPtr listener) override;
+  void Update(mojo::gfx::composition::SceneUpdatePtr update) override;
+  void Publish(mojo::gfx::composition::SceneMetadataPtr metadata) override;
+  void GetScheduler(
+      mojo::InterfaceRequest<mojo::gfx::composition::SceneScheduler>
+          scheduler_request) override;
+
+  // |SceneScheduler|:
+  void ScheduleFrame(const ScheduleFrameCallback& callback) override;
+
+  CompositorEngine* const engine_;
+  SceneState* const state_;
+  mojo::Binding<mojo::gfx::composition::Scene> scene_binding_;
+  mojo::BindingSet<mojo::gfx::composition::SceneScheduler> scheduler_bindings_;
+
+  DISALLOW_COPY_AND_ASSIGN(SceneImpl);
+};
+
+}  // namespace compositor
+
+#endif  // SERVICES_GFX_COMPOSITOR_SCENE_IMPL_H_