[Search] Implementation of the invisible focus on Windows

chrome/browser/ui/views/omnibox/omnibox_view_views.h

 // Copyright (c) 2012 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 CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 93 matching lines @@
                                         bool update_popup,
                                         bool notify_text_changed) OVERRIDE;
   virtual void SetForcedQuery() OVERRIDE;
   virtual bool IsSelectAll() const OVERRIDE;
   virtual bool DeleteAtEndPressed() OVERRIDE;
   virtual void GetSelectionBounds(string16::size_type* start,
                                   string16::size_type* end) const OVERRIDE;
   virtual void SelectAll(bool reversed) OVERRIDE;
   virtual void UpdatePopup() OVERRIDE;
   virtual void SetFocus() OVERRIDE;
+  virtual void SetInvisibleFocus() OVERRIDE;
   virtual void OnTemporaryTextMaybeChanged(
       const string16& display_text,
       bool save_original_selection) OVERRIDE;
   virtual bool OnInlineAutocompleteTextMaybeChanged(
       const string16& display_text, size_t user_text_length) OVERRIDE;
   virtual void OnRevertTemporaryText() OVERRIDE;
   virtual void OnBeforePossibleChange() OVERRIDE;
   virtual bool OnAfterPossibleChange() OVERRIDE;
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual gfx::NativeView GetRelativeWindowForPopup() const OVERRIDE;
@@ skipping 52 matching lines @@
   void CopyURL();
 
   // Paste text from the clipboard into the omnibox.
   // Textfields implementation of Paste() pastes the contents of the clipboard
   // as is. We want to strip whitespace and other things (see GetClipboardText()
   // for details).
   // It is assumed this is invoked after a call to OnBeforePossibleChange() and
   // that after invoking this OnAfterPossibleChange() is invoked.
   void OnPaste();
 
+  // Depending on the visibility of the focus stored in the OmniboxEditModel,
+  // Sets the color of the caret to black or to the omnibox's background color,
+  // effectively hiding it.
+  void ApplyFocusVisibility();
+
   views::Textfield* textfield_;
 
   // When true, the location bar view is read only and also is has a slightly
   // different presentation (smaller font size). This is used for popups.
   bool popup_window_mode_;
 
   scoped_ptr<OmniboxPopupView> popup_view_;
 
   ToolbarModel::SecurityLevel security_level_;
 
@@ skipping 14 matching lines @@
   // avoid showing the popup. So far, the candidate window is detected only
   // on Chrome OS.
   bool ime_candidate_window_open_;
 
   // Should we select all the text when we see the mouse button get released?
   // We select in response to a click that focuses the omnibox, but we defer
   // until release, setting this variable back to false if we saw a drag, to
   // allow the user to select just a portion of the text.
   bool select_all_on_mouse_release_;
 
+  // Used to keep track of the visible caret color so that it can be restored
+  // after the caret has been hidden.
+  SkColor visible_caret_color_;
+
   DISALLOW_COPY_AND_ASSIGN(OmniboxViewViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_