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   ~CandidateWindowControllerImpl() override;
  45
  46   // CandidateWindowController overrides:
  47   void AddObserver(CandidateWindowController::Observer* observer) override;
  48   void RemoveObserver(CandidateWindowController::Observer* observer) override;
  49   void Hide() override;
  50
  51  protected:
  52   static void ConvertLookupTableToInfolistEntry(
  53       const ui::CandidateWindow& candidate_window,
  54       std::vector<ui::InfolistEntry>* infolist_entries,
  55       bool* has_highlighted);
  56
  57  private:
  58   // ui::ime::CandidateWindowView::Observer implementation.
  59   void OnCandidateCommitted(int index) override;
  60
  61   // views::WidgetObserver implementation.
  62   void OnWidgetClosing(views::Widget* widget) override;
  63
  64   // IMECandidateWindowHandlerInterface implementation.
  65   void SetCursorBounds(const gfx::Rect& cursor_bounds,
  66                        const gfx::Rect& composition_head) override;
  67   void UpdateLookupTable(const ui::CandidateWindow& candidate_window,
  68                          bool visible) override;
  69   void UpdatePreeditText(const base::string16& text,
  70                          unsigned int cursor,
  71                          bool visible) override;
  72   void FocusStateChanged(bool is_focused) override;
  73
  74   void InitCandidateWindowView();
  75
  76   // The candidate window view.
  77   ui::ime::CandidateWindowView* candidate_window_view_;
  78
  79   // This is the outer frame of the infolist window view. Owned by the widget.
  80   ui::ime::InfolistWindow* infolist_window_;
  81
  82   gfx::Rect cursor_bounds_;
  83   gfx::Rect composition_head_;
  84
  85   // This is the controller of the IME mode indicator.
  86   scoped_ptr<ModeIndicatorController> mode_indicator_controller_;
  87
  88   // The infolist entries and its focused index which currently shown in
  89   // Infolist window.
  90   std::vector<ui::InfolistEntry> latest_infolist_entries_;
  91
  92   ObserverList<CandidateWindowController::Observer> observers_;
  93
  94   DISALLOW_COPY_AND_ASSIGN(CandidateWindowControllerImpl);
  95 };
  96
  97 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_WINDOW_CONTROLLER_IMPL_H_
  98
  99 }  // namespace input_method
 100 }  // namespace chromeos