Support for Adaptive Handle Orientation

ui/touch_selection/touch_handle_drawable_aura.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 UI_TOUCH_SELECTION_TOUCH_HANDLE_DRAWABLE_AURA_H_
 #define UI_TOUCH_SELECTION_TOUCH_HANDLE_DRAWABLE_AURA_H_
 
 #include "ui/touch_selection/touch_handle.h"
 #include "ui/touch_selection/touch_handle_orientation.h"
 #include "ui/touch_selection/ui_touch_selection_export.h"
@@ skipping 14 matching lines @@
   explicit TouchHandleDrawableAura(aura::Window* parent);
   ~TouchHandleDrawableAura() override;
 
  private:
   void UpdateBounds();
 
   bool IsVisible() const;
 
   // TouchHandleDrawable:
   void SetEnabled(bool enabled) override;
-  void SetOrientation(TouchHandleOrientation orientation) override;
+  void SetOrientation(TouchHandleOrientation orientation,
+                      bool mirror_vertical,
+                      bool mirror_horizontal) override;
+  void SetOrigin(const gfx::PointF& position) override;
   void SetAlpha(float alpha) override;
-  void SetFocus(const gfx::PointF& position) override;
   gfx::RectF GetVisibleBounds() const override;
+  float GetDrawableHorizontalPaddingRatio() const override;
 
   aura_extra::ImageWindowDelegate* window_delegate_;
   scoped_ptr<aura::Window> window_;
   bool enabled_;
   float alpha_;
   ui::TouchHandleOrientation orientation_;
 
-  // Focal position of the handle set via SetFocus (normally located on the
-  // intersection of the cursor line and the text base line), in coordinate
-  // space of selection controller client (i.e. handle's parent).
-  gfx::PointF focal_position_;
+  // Origin position of the handle set via SetOrigin, in coordinate space of
+  // selection controller client (i.e. handle's parent).
+  gfx::PointF origin_position_;
 
   // Window bounds relative to the focal position.
   gfx::RectF relative_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchHandleDrawableAura);
 };
 
 }  // namespace ui
 
 #endif  // UI_TOUCH_SELECTION_TOUCH_HANDLE_DRAWABLE_AURA_H_