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      1 // Copyright (c) 2011 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 UI_VIEWS_IME_MOCK_INPUT_METHOD_H_
      6 #define UI_VIEWS_IME_MOCK_INPUT_METHOD_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/compiler_specific.h"
     12 #include "ui/base/ime/composition_text.h"
     13 #include "ui/views/ime/input_method_base.h"
     14 #include "ui/views/view.h"
     15 
     16 namespace views {
     17 
     18 // A mock InputMethod implementation for testing purpose.
     19 class VIEWS_EXPORT MockInputMethod : public InputMethodBase {
     20  public:
     21   MockInputMethod();
     22   explicit MockInputMethod(internal::InputMethodDelegate* delegate);
     23   virtual ~MockInputMethod();
     24 
     25   // Overridden from InputMethod:
     26   virtual void Init(Widget* widget) OVERRIDE;
     27   virtual void OnFocus() OVERRIDE;
     28   virtual void OnBlur() OVERRIDE;
     29   virtual bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
     30                                         NativeEventResult* result) OVERRIDE;
     31   virtual void DispatchKeyEvent(const ui::KeyEvent& key) OVERRIDE;
     32   virtual void OnTextInputTypeChanged(View* view) OVERRIDE;
     33   virtual void OnCaretBoundsChanged(View* view) OVERRIDE;
     34   virtual void CancelComposition(View* view) OVERRIDE;
     35   virtual void OnInputLocaleChanged() OVERRIDE;
     36   virtual std::string GetInputLocale() OVERRIDE;
     37   virtual base::i18n::TextDirection GetInputTextDirection() OVERRIDE;
     38   virtual bool IsActive() OVERRIDE;
     39   virtual bool IsCandidatePopupOpen() const OVERRIDE;
     40   virtual bool IsMock() const OVERRIDE;
     41 
     42   bool focus_changed() const { return focus_changed_; }
     43   bool untranslated_ime_message_called() const {
     44     return untranslated_ime_message_called_;
     45   }
     46   bool text_input_type_changed() const { return text_input_type_changed_; }
     47   bool caret_bounds_changed() const { return caret_bounds_changed_; }
     48   bool cancel_composition_called() const { return cancel_composition_called_; }
     49   bool input_locale_changed() const { return input_locale_changed_; }
     50 
     51   // Clears all internal states and result.
     52   void Clear();
     53 
     54   void SetCompositionTextForNextKey(const ui::CompositionText& composition);
     55   void SetResultTextForNextKey(const string16& result);
     56 
     57   void SetInputLocale(const std::string& locale);
     58   void SetInputTextDirection(base::i18n::TextDirection direction);
     59   void SetActive(bool active);
     60 
     61  private:
     62   // Overridden from InputMethodBase.
     63   virtual void OnWillChangeFocus(View* focused_before, View* focused) OVERRIDE;
     64 
     65   // Clears boolean states defined below.
     66   void ClearStates();
     67 
     68   // Clears only composition information and result text.
     69   void ClearResult();
     70 
     71   // Composition information for the next key event. It'll be cleared
     72   // automatically after dispatching the next key event.
     73   ui::CompositionText composition_;
     74   bool composition_changed_;
     75 
     76   // Result text for the next key event. It'll be cleared automatically after
     77   // dispatching the next key event.
     78   string16 result_text_;
     79 
     80   // Record call state of corresponding methods. They will be set to false
     81   // automatically before dispatching a key event.
     82   bool focus_changed_;
     83   bool untranslated_ime_message_called_;
     84   bool text_input_type_changed_;
     85   bool caret_bounds_changed_;
     86   bool cancel_composition_called_;
     87   bool input_locale_changed_;
     88 
     89   // To mock corresponding input method prooperties.
     90   std::string locale_;
     91   base::i18n::TextDirection direction_;
     92   bool active_;
     93 
     94   DISALLOW_COPY_AND_ASSIGN(MockInputMethod);
     95 };
     96 
     97 }  // namespace views
     98 
     99 #endif  // UI_VIEWS_IME_MOCK_INPUT_METHOD_H_
    100