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
16namespace views {
17
18// A mock InputMethod implementation for testing purpose.
19class 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