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 "base/memory/scoped_ptr.h"
  11 #include "base/observer_list.h"
  12 #include "ui/base/ime/chromeos/ime_bridge.h"
  13 #include "ui/base/ime/infolist_entry.h"
  14 #include "ui/chromeos/ime/candidate_window_view.h"
  15 #include "ui/views/widget/widget_observer.h"
  16
  17 namespace ui {
  18 class CandidateWindow;
  19
  20 namespace ime {
  21 class InfolistWindow;
  22 }  // namespace ime
  23 }  // namespace ui
  24
  25 namespace views {
  26 class Widget;
  27 }  // namespace views
  28
  29 namespace chromeos {
  30 namespace input_method {
  31
  32 class DelayableWidget;
  33 class ModeIndicatorController;
  34
  35 // The implementation of CandidateWindowController.
  36 // CandidateWindowController controls the CandidateWindow.
  37 class CandidateWindowControllerImpl
  38     : public CandidateWindowController,
  39       public ui::ime::CandidateWindowView::Observer,
  40       public views::WidgetObserver,
  41       public IMECandidateWindowHandlerInterface {
  42  public:
  43   CandidateWindowControllerImpl();
  44   virtual ~CandidateWindowControllerImpl();
  45
  46   // CandidateWindowController overrides:
  47   virtual void AddObserver(
  48       CandidateWindowController::Observer* observer) override;
  49   virtual void RemoveObserver(
  50       CandidateWindowController::Observer* observer) override;
  51   virtual void Hide() override;
  52
  53  protected:
  54   static void ConvertLookupTableToInfolistEntry(
  55       const ui::CandidateWindow& candidate_window,
  56       std::vector<ui::InfolistEntry>* infolist_entries,
  57       bool* has_highlighted);
  58
  59  private:
  60   // ui::ime::CandidateWindowView::Observer implementation.
  61   virtual void OnCandidateCommitted(int index) override;
  62
  63   // views::WidgetObserver implementation.
  64   virtual void OnWidgetClosing(views::Widget* widget) override;
  65
  66   // IMECandidateWindowHandlerInterface implementation.
  67   virtual void SetCursorBounds(const gfx::Rect& cursor_bounds,
  68                                const gfx::Rect& composition_head) override;
  69   virtual void UpdateLookupTable(
  70       const ui::CandidateWindow& candidate_window,
  71       bool visible) override;
  72   virtual void UpdatePreeditText(const base::string16& text,
  73                                  unsigned int cursor, bool visible) override;
  74   virtual void FocusStateChanged(bool is_focused) override;
  75
  76   void InitCandidateWindowView();
  77
  78   // The candidate window view.
  79   ui::ime::CandidateWindowView* candidate_window_view_;
  80
  81   // This is the outer frame of the infolist window view. Owned by the widget.
  82   ui::ime::InfolistWindow* infolist_window_;
  83
  84   gfx::Rect cursor_bounds_;
  85   gfx::Rect composition_head_;
  86
  87   // This is the controller of the IME mode indicator.
  88   scoped_ptr<ModeIndicatorController> mode_indicator_controller_;
  89
  90   // The infolist entries and its focused index which currently shown in
  91   // Infolist window.
  92   std::vector<ui::InfolistEntry> latest_infolist_entries_;
  93
  94   ObserverList<CandidateWindowController::Observer> observers_;
  95
  96   DISALLOW_COPY_AND_ASSIGN(CandidateWindowControllerImpl);
  97 };
  98
  99 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_WINDOW_CONTROLLER_IMPL_H_
 100
 101 }  // namespace input_method
 102 }  // namespace chromeos