Draw a NativeTextfieldViews drop location cursor.

views/controls/textfield/native_textfield_views.h

 // Copyright (c) 2011 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 VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_
 #define VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_
 #pragma once
 
 #include "base/string16.h"
 #include "base/task.h"
@@ skipping 164 matching lines @@
 
   // Returns the Textfield's text color.
   SkColor GetTextColor() const;
 
   // A callback function to periodically update the cursor state.
   void UpdateCursor();
 
   // Repaint the cursor.
   void RepaintCursor();
 
+  // Returns the bounds of character at the current cursor.
+  gfx::Rect GetCursorBounds(size_t cursor_pos, bool insert_mode) const;
+
   // Update the cursor_bounds and text_offset.
-  void UpdateCursorBoundsAndTextOffset();
+  void UpdateCursorBoundsAndTextOffset(size_t cursor_pos, bool insert_mode);
 
   void PaintTextAndCursor(gfx::Canvas* canvas);
 
   // Handle the keyevent.
   bool HandleKeyEvent(const KeyEvent& key_event);
 
   // Find a cusor position for given |point| in this views coordinates.
   size_t FindCursorPosition(const gfx::Point& point) const;
 
   // Returns true if the local point is over the selected range of text.
@@ skipping 38 matching lines @@
 
   // The text model.
   scoped_ptr<TextfieldViewsModel> model_;
 
   // The reference to the border class. The object is owned by View::border_.
   FocusableBorder* text_border_;
 
   // The x offset for the text to be drawn, without insets;
   int text_offset_;
 
-  // Cursor's bounds in the textfield's coordinates.
-  gfx::Rect cursor_bounds_;
-
   // True if the textfield is in insert mode.
   bool insert_;
 
-  // The drawing state of cursor. True to draw.
+  // The local bounds and visibility of the textfield's text cursor.
+  gfx::Rect cursor_bounds_;
   bool is_cursor_visible_;
 
+  // The drop cursor is a visual cue for where dragged text will be dropped.
+  bool is_drop_cursor_visible_;
+
   // True if InputMethod::CancelComposition() should not be called.
   bool skip_input_method_cancel_composition_;
 
   // Is the user potentially dragging and dropping from this view?
   bool initiating_drag_;
 
   // A runnable method factory for callback to update the cursor.
   ScopedRunnableMethodFactory<NativeTextfieldViews> cursor_timer_;
 
   // State variables used to track double and triple clicks.
   size_t aggregated_clicks_;
   base::Time last_click_time_;
   gfx::Point last_click_location_;
 
   // Context menu and its content list for the textfield.
   scoped_ptr<ui::SimpleMenuModel> context_menu_contents_;
   scoped_ptr<views::MenuModelAdapter> context_menu_delegate_;
   scoped_ptr<views::MenuItemView> context_menu_menu_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTextfieldViews);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_