| // Copyright 2013 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_MODE_INDICATOR_CONTROLLER_H_ |
| #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MODE_INDICATOR_CONTROLLER_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "chromeos/ime/input_method_manager.h" |
| #include "ui/gfx/rect.h" |
| #include "ui/views/widget/widget_observer.h" |
| |
| namespace chromeos { |
| namespace input_method { |
| |
| class ModeIndicatorObserverInterface : public views::WidgetObserver { |
| public: |
| ModeIndicatorObserverInterface() {} |
| virtual ~ModeIndicatorObserverInterface() {} |
| |
| virtual void AddModeIndicatorWidget(views::Widget* widget) = 0; |
| }; |
| |
| |
| // ModeIndicatorController is the controller of ModeIndicatiorDelegateView |
| // on the MVC model. |
| class ModeIndicatorController |
| : public InputMethodManager::Observer { |
| public: |
| // This class takes the ownership of |mi_widget|. |
| explicit ModeIndicatorController(InputMethodManager* imm); |
| virtual ~ModeIndicatorController(); |
| |
| // Set cursor bounds, which is the base point to display this indicator. |
| // Bacisally this indicator is displayed underneath the cursor. |
| void SetCursorBounds(const gfx::Rect& cursor_location); |
| |
| // Notify the focus state to the mode indicator. |
| void FocusStateChanged(bool is_focused); |
| |
| // Accessor of the widget observer for testing. The caller keeps the |
| // ownership of the observer object. |
| static void SetModeIndicatorObserverForTesting( |
| ModeIndicatorObserverInterface* observer); |
| static ModeIndicatorObserverInterface* GetModeIndicatorObserverForTesting(); |
| |
| private: |
| // InputMethodManager::Observer implementation. |
| virtual void InputMethodChanged(InputMethodManager* manager, |
| bool show_message) OVERRIDE; |
| virtual void InputMethodPropertyChanged(InputMethodManager* manager) OVERRIDE; |
| |
| // Show the mode inidicator with the current ime's short name if all |
| // the conditions are cleared. |
| void ShowModeIndicator(); |
| |
| InputMethodManager* imm_; |
| |
| // Cursor bounds representing the anchor rect of the mode indicator. |
| gfx::Rect cursor_bounds_; |
| |
| // True on a text field is focused. |
| bool is_focused_; |
| |
| // Observer of the widgets created by BubbleDelegateView. This is used to |
| // close the previous widget when a new widget is created. |
| scoped_ptr<ModeIndicatorObserverInterface> mi_observer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ModeIndicatorController); |
| }; |
| |
| } // namespace input_method |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MODE_INDICATOR_CONTROLLER_H_ |