chromeos: Don't fire candidate window open/close events for suggestion window.

chrome/browser/chromeos/input_method/candidate_window_view.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 CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_WINDOW_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_WINDOW_VIEW_H_
 
 #include "chrome/browser/chromeos/input_method/ibus_ui_controller.h"
 #include "ui/views/view.h"
 
@@ skipping 122 matching lines @@
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
 
  private:
   // Initializes the candidate views if needed.
   void MaybeInitializeCandidateViews(
       const InputMethodLookupTable& lookup_table);
 
   // Returns the appropriate area (header or footer) to put auxiliary texts.
   InformationTextArea* GetAuxiliaryTextArea();
 
+  // Returns true if the candidate window is open.  The suggestion window does
+  // not count as the candidate window.
   bool IsCandidateWindowOpen() const;
 
+  // Notifies observers if the candidate window's opened/closed state has
+  // changed from the previous call to this function.
+  void NotifyIfCandidateWindowOpenedOrClosed();
+
   // The lookup table (candidates).
   InputMethodLookupTable lookup_table_;
 
   // The index in the current page of the candidate currently being selected.
   int selected_candidate_index_in_page_;
 
   // The observers of the object.
   ObserverList<Observer> observers_;
 
   // The parent frame.
@@ skipping 30 matching lines @@
   // This location is used by suggestion window rendering which is mostly used
   // by ibus-mozc. The suggestion window should be aligned with the composition
   // text as opposed to the cursor. In case of ibus-mozc, suggestion window
   // location is calculated by engine and it carried by update_lookup_table
   // signal as additional information. This value is available when
   // is_suggestion_window_available is true.
   gfx::Rect suggestion_window_location_;
 
   bool is_suggestion_window_location_available_;
 
+  // True if the candidate window was open.  This is used to determine when to
+  // send OnCandidateWindowOpened and OnCandidateWindowClosed events.
+  bool was_candidate_window_open_;
+
   DISALLOW_COPY_AND_ASSIGN(CandidateWindowView);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_WINDOW_VIEW_H_