Support for Adaptive Handle Orientation

ui/touch_selection/touch_selection_controller.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_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_H_
 #define UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_H_
 
 #include "ui/base/touch/selection_bound.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/rect_f.h"
@@ skipping 29 matching lines @@
   TouchSelectionController(TouchSelectionControllerClient* client,
                            base::TimeDelta tap_timeout,
                            float tap_slop,
                            bool show_on_tap_for_empty_editable);
   ~TouchSelectionController() override;
 
   // To be called when the selection bounds have changed.
   // Note that such updates will trigger handle updates only if preceded
   // by an appropriate call to allow automatic showing.
   void OnSelectionBoundsChanged(const SelectionBound& start,
-                                const SelectionBound& end);
+                                const SelectionBound& end,
+                                const gfx::SizeF& root_layer_size,
+                                const gfx::Vector2dF& offset);
 
   // Allows touch-dragging of the handle.
   // Returns true iff the event was consumed, in which case the caller should
   // cease further handling of the event.
   bool WillHandleTouchEvent(const MotionEvent& event);
 
   // To be called before forwarding a tap event. This allows automatically
   // showing the insertion handle from subsequent bounds changes.
   void OnTapEvent();
 
@@ skipping 49 matching lines @@
   void ResetCachedValuesIfInactive();
 
   const gfx::PointF& GetStartPosition() const;
   const gfx::PointF& GetEndPosition() const;
   gfx::Vector2dF GetStartLineOffset() const;
   gfx::Vector2dF GetEndLineOffset() const;
   bool GetStartVisible() const;
   bool GetEndVisible() const;
   TouchHandle::AnimationStyle GetAnimationStyle(bool was_active) const;
 
+  void SetInvertedOrientation();
+
   void LogSelectionEnd();
 
   TouchSelectionControllerClient* const client_;
   const base::TimeDelta tap_timeout_;
   const float tap_slop_;
 
   // Controls whether an insertion handle is shown on a tap for an empty
   // editable text.
   bool show_on_tap_for_empty_editable_;
 
@@ skipping 11 matching lines @@
   scoped_ptr<TouchHandle> start_selection_handle_;
   scoped_ptr<TouchHandle> end_selection_handle_;
   bool is_selection_active_;
   bool activate_selection_automatically_;
 
   bool selection_empty_;
   bool selection_editable_;
 
   bool temporarily_hidden_;
 
+  gfx::SizeF root_layer_size_;
+  gfx::Vector2dF content_offset_;
+  gfx::RectF viewport_rect_;
+
   base::TimeTicks selection_start_time_;
   // Whether a selection handle was dragged during the current 'selection
   // session' - i.e. since the current selection has been activated.
   bool selection_handle_dragged_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchSelectionController);
 };
 
 }  // namespace ui
 
 #endif  // UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_H_