Completed webkit radiusX, radiusY and rotationAngle handling.

ui/events/gestures/motion_event_aura.h

 // Copyright 2014 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 UI_EVENTS_GESTURE_DETECTION_UI_MOTION_EVENT_H_
 #define UI_EVENTS_GESTURE_DETECTION_UI_MOTION_EVENT_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 16 matching lines @@
   virtual int GetId() const OVERRIDE;
   virtual Action GetAction() const OVERRIDE;
   virtual int GetActionIndex() const OVERRIDE;
   virtual size_t GetPointerCount() const OVERRIDE;
   virtual int GetPointerId(size_t pointer_index) const OVERRIDE;
   virtual float GetX(size_t pointer_index) const OVERRIDE;
   virtual float GetY(size_t pointer_index) const OVERRIDE;
   virtual float GetRawX(size_t pointer_index) const OVERRIDE;
   virtual float GetRawY(size_t pointer_index) const OVERRIDE;
   virtual float GetTouchMajor(size_t pointer_index) const OVERRIDE;
+  virtual float GetTouchMinor(size_t pointer_index) const OVERRIDE;
+  virtual float GetOrientation(size_t pointer_index) const OVERRIDE;
   virtual float GetPressure(size_t pointer_index) const OVERRIDE;
   virtual ToolType GetToolType(size_t pointer_index) const OVERRIDE;
   virtual int GetButtonState() const OVERRIDE;
   virtual base::TimeTicks GetEventTime() const OVERRIDE;
 
   virtual scoped_ptr<MotionEvent> Clone() const OVERRIDE;
   virtual scoped_ptr<MotionEvent> Cancel() const OVERRIDE;
 
   int GetSourceDeviceId(size_t pointer_index) const;
 
   // We can't cleanup removed touch points immediately upon receipt of a
   // TouchCancel or TouchRelease, as the MotionEvent needs to be able to report
   // information about those touch events. Once the MotionEvent has been
   // processed, we call CleanupRemovedTouchPoints to do the required
   // book-keeping.
   void CleanupRemovedTouchPoints(const TouchEvent& event);
 
  private:
   struct PointData {
     PointData();
     float x;
     float y;
     float raw_x;
     float raw_y;
     int touch_id;
     float pressure;
     int source_device_id;
+    // TODO(mustaq): Switch radii to diameters below, to be
+    // consistent with relevant event params.
     float major_radius;

[jdduke (slow), 2014/08/29 16:45:09]

Any reason not to do this TODO now?

[mustaq, 2014/08/29 20:54:01]

Done. Wanted to investigate later if this private class could be removed
altogether. It's not my focus now.

+    float minor_radius;
+    float orientation;
   };
 
   MotionEventAura(
       size_t pointer_count,
       const base::TimeTicks& last_touch_time,
       Action cached_action,
       int cached_action_index,
       const PointData (&active_touches)[MotionEvent::MAX_TOUCH_POINT_COUNT]);
 
   static PointData GetPointDataFromTouchEvent(const TouchEvent& touch);
@@ skipping 11 matching lines @@
 
   // We want constant time indexing by pointer_index, and fast indexing by id.
   PointData active_touches_[MotionEvent::MAX_TOUCH_POINT_COUNT];
 
   DISALLOW_COPY_AND_ASSIGN(MotionEventAura);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_GESTURE_DETECTION_UI_MOTION_EVENT_H_