VR: Add a native UI element scene manager

chrome/browser/android/vr_shell/vr_shell_gl.h

 // Copyright 2016 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 CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_GL_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_GL_H_
 
 #include <memory>
 #include <queue>
 #include <utility>
 #include <vector>
 
 #include "base/cancelable_callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "chrome/browser/android/vr_shell/vr_controller_model.h"
 #include "device/vr/vr_service.mojom.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "third_party/gvr-android-sdk/src/libraries/headers/vr/gvr/capi/include/gvr.h"
 #include "third_party/gvr-android-sdk/src/libraries/headers/vr/gvr/capi/include/gvr_types.h"
 #include "ui/gfx/native_widget_types.h"
 
-namespace base {
-class ListValue;
-}
-
 namespace blink {
 class WebInputEvent;
 }
 
 namespace gl {
 class GLContext;
 class GLSurface;
 class ScopedJavaSurface;
 class SurfaceTexture;
 }
@@ skipping 26 matching lines @@
   enum class InputTarget {
     NONE = 0,
     CONTENT,
     UI,
   };
 
   VrShellGl(const base::WeakPtr<VrShell>& weak_vr_shell,
             scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner,
             gvr_context* gvr_api,
             bool initially_web_vr,
-            bool reprojected_rendering);
+            bool reprojected_rendering,
+            UiScene* scene);
   ~VrShellGl() override;
 
   void Initialize();
   void InitializeGl(gfx::AcceleratedWidget window);
 
   void OnTriggerEvent();
   void OnPause();
   void OnResume();
 
   void SetWebVrMode(bool enabled);
   void CreateOrResizeWebVRSurface(const gvr::Sizei& size);
   void CreateContentSurface();
   void ContentBoundsChanged(int width, int height);
   void ContentPhysicalBoundsChanged(int width, int height);
   void UIBoundsChanged(int width, int height);
   void UIPhysicalBoundsChanged(int width, int height);
   base::WeakPtr<VrShellGl> GetWeakPtr();
 
   void SetControllerModel(std::unique_ptr<VrControllerModel> model);
 
   void UpdateWebVRTextureBounds(int16_t frame_index,
                                 const gvr::Rectf& left_bounds,
                                 const gvr::Rectf& right_bounds,
                                 const gvr::Sizei& source_size);
 
-  void UpdateScene(std::unique_ptr<base::ListValue> commands);
-
   void UpdateVSyncInterval(int64_t timebase_nanos, double interval_seconds);
 
   void OnRequest(device::mojom::VRVSyncProviderRequest request);
   void CreateVRDisplayInfo(
       const base::Callback<void(device::mojom::VRDisplayInfoPtr)>& callback,
       uint32_t device_id);
   void SubmitWebVRFrame(int16_t frame_index, const gpu::MailboxHolder& mailbox);
   void SetSubmitClient(
       device::mojom::VRSubmitFrameClientPtrInfo submit_client_info);
 
@@ skipping 41 matching lines @@
 
   void SendVSync(base::TimeDelta time, const GetVSyncCallback& callback);
 
   // samplerExternalOES texture data for UI content image.
   int ui_texture_id_ = 0;
   // samplerExternalOES texture data for main content image.
   int content_texture_id_ = 0;
   // samplerExternalOES texture data for WebVR content image.
   int webvr_texture_id_ = 0;
 
-  std::unique_ptr<UiScene> scene_;
+  UiScene* scene_;
 
   scoped_refptr<gl::GLSurface> surface_;
   scoped_refptr<gl::GLContext> context_;
   scoped_refptr<gl::SurfaceTexture> ui_surface_texture_;
   scoped_refptr<gl::SurfaceTexture> content_surface_texture_;
   scoped_refptr<gl::SurfaceTexture> webvr_surface_texture_;
 
   std::unique_ptr<gl::ScopedJavaSurface> ui_surface_;
   std::unique_ptr<gl::ScopedJavaSurface> content_surface_;
 
@@ skipping 65 matching lines @@
   gvr::Vec3f controller_start_direction_;
 
   base::WeakPtrFactory<VrShellGl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VrShellGl);
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_GL_H_