mozart: Port the spinning cube example.

examples/ui/spinning_cube/spinning_cube_view.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 EXAMPLES_UI_SPINNING_CUBE_SPINNING_CUBE_VIEW_H_
+#define EXAMPLES_UI_SPINNING_CUBE_SPINNING_CUBE_VIEW_H_
+
+#include <memory>
+
+#include "base/bind.h"
+#include "base/memory/weak_ptr.h"
+#include "examples/spinning_cube/spinning_cube.h"
+#include "mojo/gpu/gl_context.h"
+#include "mojo/gpu/gl_context_owner.h"
+#include "mojo/gpu/gl_texture.h"
+#include "mojo/gpu/texture_cache.h"
+#include "mojo/gpu/texture_uploader.h"
+#include "mojo/public/cpp/application/application_impl.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "mojo/public/cpp/environment/environment.h"
+#include "mojo/public/cpp/system/core.h"
+#include "mojo/public/cpp/system/macros.h"
+#include "mojo/services/surfaces/interfaces/quads.mojom.h"
+#include "mojo/services/surfaces/interfaces/surfaces.mojom.h"
+#include "mojo/services/ui/views/interfaces/view_manager.mojom.h"
+#include "mojo/services/ui/views/interfaces/view_provider.mojom.h"
+#include "mojo/services/ui/views/interfaces/views.mojom.h"
+
+namespace examples {
+
+class SpinningCubeView : public mojo::ui::View {
+ public:
+  SpinningCubeView(mojo::ApplicationImpl* app,
+                   const mojo::ui::ViewProvider::CreateViewCallback& callback);
+
+  ~SpinningCubeView() override;
+
+ private:
+  // |View|:
+  void OnLayout(mojo::ui::ViewLayoutParamsPtr layout_params,
+                mojo::Array<uint32_t> children_needing_layout,
+                const OnLayoutCallback& callback) override;
+  void OnChildUnavailable(uint32_t child_key,
+                          const OnChildUnavailableCallback& callback) override;
+
+  void OnSurfaceIdNamespaceAvailable(uint32_t id_namespace);
+
+  void InitView();
+
+  void InitCube();
+  void DrawCube();
+  void OnSurfaceSubmitted();
+  void ScheduleDraw();
+
+  mojo::ui::ViewProvider::CreateViewCallback callback_;
+  mojo::StrongBinding<mojo::ui::View> binding_;
+
+  mojo::GLContextOwner context_owner_;
+  mojo::ResourceReturnerPtr resource_returner_;  // must be before texture cache
+  mojo::TextureCache texture_cache_;
+
+  mojo::SurfacePtr surfaces_;
+  mojo::SurfaceIdPtr surface_id_;
+  uint32_t surface_id_namespace_;
+
+  mojo::ui::ViewManagerPtr view_manager_;
+  mojo::ui::ViewHostPtr view_host_;
+  mojo::ServiceProviderPtr view_service_provider_;
+
+  mojo::Size size_;
+
+  SpinningCube cube_;
+  MojoTimeTicks last_draw_;
+  bool draw_scheduled_;
+
+  base::WeakPtrFactory<SpinningCubeView> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(SpinningCubeView);
+};
+
+}  // namespace examples
+
+#endif  // EXAMPLES_UI_SPINNING_CUBE_SPINNING_CUBE_VIEW_H_