Remove Sync GetPose VRService call, implement VRVSyncProvider

chrome/browser/android/vr_shell/vr_shell.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_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_
 
 #include <jni.h>
 
 #include <memory>
 
 #include "base/android/jni_weak_ref.h"
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "device/vr/android/gvr/gvr_delegate.h"
+#include "device/vr/vr_service.mojom.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"
 
 namespace base {
 class ListValue;
-class Thread;
 }
 
 namespace blink {
 class WebInputEvent;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace ui {
 class WindowAndroid;
 }
 
 namespace vr_shell {
 
 class UiInterface;
 class VrCompositor;
+class VrGLThread;
 class VrInputManager;
 class VrMetricsHelper;
 class VrShellDelegate;
 class VrWebContentsObserver;
 
 enum UiAction {
   HISTORY_BACK = 0,
   HISTORY_FORWARD,
   RELOAD,
   ZOOM_OUT,
@@ skipping 41 matching lines @@
   void ContentWebContentsDestroyed();
   // Called when our WebContents have been hidden. Usually a sign that something
   // like another tab placed in front of it.
   void ContentWasHidden();
   void ContentWasShown();
 
   // html/js UI hooks.
   static base::WeakPtr<VrShell> GetWeakPtr(
       const content::WebContents* web_contents);
 
-  // TODO(mthiesse): Clean up threading around UiInterface.
   UiInterface* GetUiInterface();
   void OnDomContentsLoaded();
 
-  // device::GvrDelegate implementation
-  // TODO(mthiesse): Clean up threading around GVR API. These functions are
-  // called on the UI thread, but use GL thread objects in a non-threadsafe way.
-  void SetWebVRSecureOrigin(bool secure_origin) override;
-  void SubmitWebVRFrame() override;
-  void UpdateWebVRTextureBounds(const gvr::Rectf& left_bounds,
-                                const gvr::Rectf& right_bounds) override;
-  gvr::GvrApi* gvr_api() override;
-  void SetGvrPoseForWebVr(const gvr::Mat4f& pose, uint32_t pose_num) override;
-  void SetWebVRRenderSurfaceSize(int width, int height) override;
-  gvr::Sizei GetWebVRCompositorSurfaceSize() override;
-
   void SurfacesChanged(jobject content_surface, jobject ui_surface);
   void GvrDelegateReady();
   void AppButtonPressed();
 
   void ContentPhysicalBoundsChanged(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& object,
       jint width, jint height, jfloat dpr);
 
   void UIPhysicalBoundsChanged(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& object,
       jint width, jint height, jfloat dpr);
 
   void UpdateScene(const base::ListValue* args);
 
   // Perform a UI action triggered by the javascript API.
   void DoUiAction(const UiAction action);
 
   void SetContentCssSize(float width, float height, float dpr);
   void SetUiCssSize(float width, float height, float dpr);
 
   void ContentFrameWasResized(bool width_changed);
 
   void ForceExitVr();
 
   void ProcessUIGesture(std::unique_ptr<blink::WebInputEvent> event);
   void ProcessContentGesture(std::unique_ptr<blink::WebInputEvent> event);
 
+  static device::mojom::VRPosePtr VRPosePtrFromGvrPose(gvr::Mat4f head_mat,
+                                                       uint32_t pose_index);
+
  private:
   ~VrShell() override;
   void PostToGlThreadWhenReady(const base::Closure& task);
 
-  // content::WebContentsObserver implementation. All called on UI thread.
+  // content::WebContentsObserver implementation.
   void RenderViewHostChanged(content::RenderViewHost* old_host,
                              content::RenderViewHost* new_host) override;
   void MainFrameWasResized(bool width_changed) override;
   void WebContentsDestroyed() override;
 
+  // device::GvrDelegate implementation
+  void SetWebVRSecureOrigin(bool secure_origin) override;
+  void SubmitWebVRFrame() override;
+  void UpdateWebVRTextureBounds(const gvr::Rectf& left_bounds,
+                                const gvr::Rectf& right_bounds) override;
+  gvr::GvrApi* gvr_api() override;
+  void SetWebVRRenderSurfaceSize(int width, int height) override;
+  gvr::Sizei GetWebVRCompositorSurfaceSize() override;
+  void OnVRVsyncProviderRequest(
+      device::mojom::VRVSyncProviderRequest request) override;
+  void UpdateVSyncInterval(long timebase_nanos,
+                           double interval_seconds) override;
+
   std::unique_ptr<UiInterface> html_interface_;
 
   content::WebContents* main_contents_;
   std::unique_ptr<VrCompositor> content_compositor_;
   content::WebContents* ui_contents_;
   std::unique_ptr<VrCompositor> ui_compositor_;
 
   std::unique_ptr<VrWebContentsObserver> vr_web_contents_observer_;
 
-  VrShellDelegate* delegate_ = nullptr;
+  VrShellDelegate* delegate_provider_ = nullptr;
   base::android::ScopedJavaGlobalRef<jobject> j_vr_shell_;
 
   std::unique_ptr<VrInputManager> content_input_manager_;
   std::unique_ptr<VrInputManager> ui_input_manager_;
   std::unique_ptr<VrMetricsHelper> metrics_helper_;
 
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
-  std::unique_ptr<base::Thread> gl_thread_;
+  std::unique_ptr<VrGLThread> gl_thread_;
   bool reprojected_rendering_;
 
   base::WeakPtrFactory<VrShell> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VrShell);
 };
 
 bool RegisterVrShell(JNIEnv* env);
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_