chrome/browser/chromeos/input_method/candidate_window_controller_impl.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_WINDOW_CONTROLLER_IMPL_H_
   6 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_WINDOW_CONTROLLER_IMPL_H_
   7
   8 #include "chrome/browser/chromeos/input_method/candidate_window_controller.h"
   9
  10 #include "ash/ime/candidate_window_view.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/observer_list.h"
  13 #include "ui/base/ime/chromeos/ibus_bridge.h"
  14 #include "ui/base/ime/infolist_entry.h"
  15 #include "ui/views/widget/widget_observer.h"
  16
  17 namespace ash {
  18 namespace ime {
  19 class InfolistWindow;
  20 }  // namespace ime
  21 }  // namespace ash
  22
  23 namespace ui {
  24 class CandidateWindow;
  25 }  // namespace ui
  26
  27 namespace views {
  28 class Widget;
  29 }  // namespace views
  30
  31 namespace chromeos {
  32 namespace input_method {
  33
  34 class DelayableWidget;
  35 class ModeIndicatorController;
  36
  37 // The implementation of CandidateWindowController.
  38 // CandidateWindowController controls the CandidateWindow.
  39 class CandidateWindowControllerImpl
  40     : public CandidateWindowController,
  41       public ash::ime::CandidateWindowView::Observer,
  42       public views::WidgetObserver,
  43       public IBusPanelCandidateWindowHandlerInterface {
  44  public:
  45   CandidateWindowControllerImpl();
  46   virtual ~CandidateWindowControllerImpl();
  47
  48   // CandidateWindowController overrides:
  49   virtual void AddObserver(
  50       CandidateWindowController::Observer* observer) OVERRIDE;
  51   virtual void RemoveObserver(
  52       CandidateWindowController::Observer* observer) OVERRIDE;
  53   virtual void Hide() OVERRIDE;
  54
  55  protected:
  56   static void ConvertLookupTableToInfolistEntry(
  57       const ui::CandidateWindow& candidate_window,
  58       std::vector<ui::InfolistEntry>* infolist_entries,
  59       bool* has_highlighted);
  60
  61  private:
  62   // ash::ime::CandidateWindowView::Observer implementation.
  63   virtual void OnCandidateCommitted(int index) OVERRIDE;
  64
  65   // views::WidgetObserver implementation.
  66   virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE;
  67
  68   // IBusPanelCandidateWindowHandlerInterface implementation.
  69   virtual void SetCursorBounds(const gfx::Rect& cursor_bounds,
  70                                const gfx::Rect& composition_head) OVERRIDE;
  71   virtual void UpdateLookupTable(
  72       const ui::CandidateWindow& candidate_window,
  73       bool visible) OVERRIDE;
  74   virtual void UpdatePreeditText(const std::string& utf8_text,
  75                                  unsigned int cursor, bool visible) OVERRIDE;
  76   virtual void FocusStateChanged(bool is_focused) OVERRIDE;
  77
  78   void InitCandidateWindowView();
  79
  80   // The candidate window view.
  81   ash::ime::CandidateWindowView* candidate_window_view_;
  82
  83   // This is the outer frame of the infolist window view. Owned by the widget.
  84   ash::ime::InfolistWindow* infolist_window_;
  85
  86   gfx::Rect cursor_bounds_;
  87   gfx::Rect composition_head_;
  88
  89   // This is the controller of the IME mode indicator.
  90   scoped_ptr<ModeIndicatorController> mode_indicator_controller_;
  91
  92   // The infolist entries and its focused index which currently shown in
  93   // Infolist window.
  94   std::vector<ui::InfolistEntry> latest_infolist_entries_;
  95
  96   ObserverList<CandidateWindowController::Observer> observers_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(CandidateWindowControllerImpl);
  99 };
 100
 101 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_WINDOW_CONTROLLER_IMPL_H_
 102
 103 }  // namespace input_method
 104 }  // namespace chromeos