New InputMethod api for Views.

views/ime/mock_input_method.h

+// Copyright (c) 2011 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 VIEWS_IME_MOCK_INPUT_METHOD_H_
+#define VIEWS_IME_MOCK_INPUT_METHOD_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "views/focus/focus_manager.h"
+#include "views/ime/input_method.h"
+#include "views/ime/input_method_delegate.h"
+#include "views/ime/text_input_client.h"
+#include "views/view.h"
+
+namespace views {
+
+// A mock InputMethod implementation for testing purpose.
+class MockInputMethod : public InputMethod,
+                        public FocusChangeListener {
+ public:
+  MockInputMethod();
+  virtual ~MockInputMethod();
+
+  // Overridden from InputMethod:
+  virtual void set_delegate(internal::InputMethodDelegate* delegate) OVERRIDE;
+  virtual void Init(Widget* widget) OVERRIDE;
+  virtual void DispatchKeyEvent(const KeyEvent& key) OVERRIDE;
+  virtual void OnTextInputTypeChanged(View* view) OVERRIDE;
+  virtual void OnCaretBoundsChanged(View* view) OVERRIDE;
+  virtual void CancelComposition(View* view) OVERRIDE;
+  virtual std::string GetInputLocale() OVERRIDE;
+  virtual base::i18n::TextDirection GetInputTextDirection() OVERRIDE;
+  virtual bool IsActive() OVERRIDE;
+
+  // Overridden from FocusChangeListener:
+  virtual void FocusWillChange(View* focused_before, View* focused) OVERRIDE;
+
+  bool focus_changed() const { return focus_changed_; }
+  bool text_input_type_changed() const { return text_input_type_changed_; }
+  bool caret_bounds_changed() const { return caret_bounds_changed_; }
+  bool cancel_composition_called() const { return cancel_composition_called_; }
+
+  ui::TextInputType GetTextInputType() const;
+
+  // Clears all internal states and result.
+  void Clear();
+
+  void SetCompositionForNextKey(const ui::Composition& composition);
+  void SetResultForNextKey(const string16& result);
+
+  void SetInputLocale(const std::string& locale);
+  void SetInputTextDirection(base::i18n::TextDirection direction);
+  void SetActive(bool active);
+
+ private:
+  // Clears boolean states defined below.
+  void ClearStates();
+
+  // Clears only composition information and result text.
+  void ClearResult();
+
+  TextInputClient* GetTextInputClient() const;
+
+  // Convenience method to call TextInputClient::OnInputMethodChanged().
+  void OnInputMethodChanged() const;
+
+  internal::InputMethodDelegate* delegate_;
+  Widget* widget_;
+  View* focused_view_;
+
+  // Composition information for the next key event. It'll be cleared
+  // automatically after dispatching the next key event.
+  ui::Composition composition_;
+  bool composition_changed_;
+
+  // Result text for the next key event. It'll be cleared automatically after
+  // dispatching the next key event.
+  string16 result_text_;
+
+  // Record call state of corresponding methods. They will be set to false
+  // automatically before dispatching a key event.
+  bool focus_changed_;
+  bool text_input_type_changed_;
+  bool caret_bounds_changed_;
+  bool cancel_composition_called_;
+
+  // To mock corresponding input method prooperties.
+  std::string locale_;
+  base::i18n::TextDirection direction_;
+  bool active_;
+};
+
+}  // namespace views
+
+#endif  // VIEWS_IME_MOCK_INPUT_METHOD_H_