Implementing directional text selection handles

content/browser/web_contents/touch_editable_impl_aura.h

 // Copyright (c) 2013 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 CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_
 
 #include <deque>
 #include <map>
 #include <queue>
@@ skipping 26 matching lines @@
   // Updates the |touch_selection_controller_| or ends touch editing session
   // depending on the current selection and cursor state.
   void UpdateEditingController();
 
   void OverscrollStarted();
   void OverscrollCompleted();
 
   // Overridden from RenderWidgetHostViewAura::TouchEditingClient.
   void StartTouchEditing() override;
   void EndTouchEditing(bool quick) override;
-  void OnSelectionOrCursorChanged(const gfx::Rect& anchor,
-                                  const gfx::Rect& focus) override;
+  void OnSelectionOrCursorChanged(const ui::SelectionBound& anchor,
+                                  const ui::SelectionBound& focus) override;
   void OnTextInputTypeChanged(ui::TextInputType type) override;
   bool HandleInputEvent(const ui::Event* event) override;
   void GestureEventAck(int gesture_event_type) override;
   void DidStopFlinging() override;
   void OnViewDestroyed() override;
 
   // Overridden from ui::TouchEditable:
   void SelectRect(const gfx::Point& start, const gfx::Point& end) override;
   void MoveCaretTo(const gfx::Point& point) override;
-  void GetSelectionEndPoints(gfx::Rect* p1, gfx::Rect* p2) override;
+  void GetSelectionEndPoints(ui::SelectionBound* anchor,
+                             ui::SelectionBound* focus) override;
   gfx::Rect GetBounds() override;
   gfx::NativeView GetNativeView() const override;
   void ConvertPointToScreen(gfx::Point* point) override;
   void ConvertPointFromScreen(gfx::Point* point) override;
   bool DrawsHandles() override;
   void OpenContextMenu(const gfx::Point& anchor) override;
   bool IsCommandIdChecked(int command_id) const override;
   bool IsCommandIdEnabled(int command_id) const override;
   bool GetAcceleratorForCommandId(int command_id,
                                   ui::Accelerator* accelerator) override;
   void ExecuteCommand(int command_id, int event_flags) override;
   void DestroyTouchSelection() override;
 
  protected:
   TouchEditableImplAura();
 
  private:
   friend class TouchEditableImplAuraTest;
 
   // A convenience function that is called after scroll/fling/overscroll ends to
   // re-activate touch selection if necessary.
   void ScrollEnded();
 
   void Cleanup();
 
-  // Rectangles for the selection anchor and focus.
-  gfx::Rect selection_anchor_rect_;
-  gfx::Rect selection_focus_rect_;
+  // Bounds for the selection.
+  ui::SelectionBound selection_anchor_;
+  ui::SelectionBound selection_focus_;
 
   // The current text input type.
   ui::TextInputType text_input_type_;
 
   RenderWidgetHostViewAura* rwhva_;
   scoped_ptr<ui::TouchSelectionController> touch_selection_controller_;
 
   // True if |rwhva_| is currently handling a gesture that could result in a
   // change in selection (long press, double tap or triple tap).
   bool selection_gesture_in_process_;
 
   // Set to true if handles are hidden when user is scrolling. Used to determine
   // whether to re-show handles after a scrolling session.
   bool handles_hidden_due_to_scroll_;
 
   // Keeps track of number of scrolls/flings/overscrolls in progress.
   int scrolls_in_progress_;
 
   // Used to track if a textfield was focused when the current tap gesture
   // happened.
   bool textfield_was_focused_on_tap_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchEditableImplAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_