PROTOTYPE (incomplete): Add quad renderer and stub bits to handle security warnings.

chrome/browser/android/vr_shell/ui_element.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_UI_ELEMENT_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENT_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "device/vr/vr_types.h"
 
 namespace base {
 class TimeTicks;
 }
 
 namespace vr_shell {
 
 class Animation;
+class VrShellRenderer;
 
 enum XAnchoring {
   XNONE = 0,
   XLEFT,
   XRIGHT,
 };
 
 enum YAnchoring {
   YNONE = 0,
   YTOP,
   YBOTTOM,
 };
 
 enum Fill {
   NONE = 0,
-  SKIA = 1,
+  // The element is filled with the content web site. Only one content element
+  // may be added to the
+  // scene.
+  CONTENT = 1,
   // The element is filled with a radial gradient as specified by the edge and
   // center color.
   OPAQUE_GRADIENT = 2,
   // Same as OPAQUE_GRADIENT but the element is drawn as a grid.
   GRID_GRADIENT = 3,
-  // The element is filled with the content web site. Only one content element
-  // may be added to the
-  // scene.
-  CONTENT = 4,
 };
 
 struct Transform {
   Transform();
 
   void MakeIdentity();
   void Rotate(const vr::Quatf& quat);
   void Rotate(const vr::RotationAxisAngle& axis_angle);
   void Translate(const gfx::Vector3dF& translation);
   void Scale(const gfx::Vector3dF& scale);
@@ skipping 22 matching lines @@
   // pixel coordinates. Points that fall onto the rectangle will generate X and
   // Y values on the interval [-0.5, 0.5].
   gfx::PointF GetUnitRectangleCoordinates(const gfx::Point3F& world_point);
 
  private:
   Transform transform_;
 };
 
 struct UiElement : public WorldRectangle {
   UiElement();
-  ~UiElement();
+  virtual ~UiElement();
 
   void Animate(const base::TimeTicks& time);
 
   // Indicates whether the element should be visually rendered.
   bool IsVisible() const;
 
   // Indicates whether the element should be tested for cursor input.
   bool IsHitTestable() const;
 
+  virtual bool Render(VrShellRenderer* renderer) const;
+
   // Valid IDs are non-negative.
   int id = -1;
 
   // Name string for debugging and testing purposes.
   std::string name;
 
   // If a non-negative parent ID is specified, applicable transformations
   // are applied relative to the parent, rather than absolutely.
   int parent_id = -1;
 
@@ skipping 53 matching lines @@
   // A flag usable during transformation calculates to avoid duplicate work.
   bool dirty;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(UiElement);
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENT_H_