src/ui/views/ime/mock_input_method.cc

   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 #include "ui/views/ime/mock_input_method.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/logging.h"
   9 #include "ui/base/ime/text_input_client.h"
  10 #include "ui/events/event.h"
  11 #include "ui/events/keycodes/keyboard_codes.h"
  12 #include "ui/views/widget/widget.h"
  13
  14 namespace views {
  15
  16 MockInputMethod::MockInputMethod()
  17     : composition_changed_(false),
  18       focus_changed_(false),
  19       untranslated_ime_message_called_(false),
  20       text_input_type_changed_(false),
  21       caret_bounds_changed_(false),
  22       cancel_composition_called_(false),
  23       input_locale_changed_(false),
  24       locale_("en-US"),
  25       active_(true) {
  26 }
  27
  28 MockInputMethod::MockInputMethod(internal::InputMethodDelegate* delegate)
  29     : composition_changed_(false),
  30       focus_changed_(false),
  31       untranslated_ime_message_called_(false),
  32       text_input_type_changed_(false),
  33       caret_bounds_changed_(false),
  34       cancel_composition_called_(false),
  35       input_locale_changed_(false),
  36       locale_("en-US"),
  37       active_(true) {
  38   SetDelegate(delegate);
  39 }
  40
  41 MockInputMethod::~MockInputMethod() {
  42 }
  43
  44 void MockInputMethod::Init(Widget* widget) {
  45   InputMethodBase::Init(widget);
  46 }
  47
  48 void MockInputMethod::OnFocus() {}
  49
  50 void MockInputMethod::OnBlur() {}
  51
  52 bool MockInputMethod::OnUntranslatedIMEMessage(
  53     const base::NativeEvent& event,
  54     NativeEventResult* result) {
  55   untranslated_ime_message_called_ = true;
  56   if (result)
  57     *result = InputMethod::NativeEventResult();
  58   return false;
  59 }
  60
  61 void MockInputMethod::DispatchKeyEvent(const ui::KeyEvent& key) {
  62   bool handled = (composition_changed_ || result_text_.length()) &&
  63       !IsTextInputTypeNone();
  64
  65   ClearStates();
  66   if (handled) {
  67     DCHECK(!key.is_char());
  68     ui::KeyEvent mock_key(ui::ET_KEY_PRESSED,
  69                           ui::VKEY_PROCESSKEY,
  70                           key.flags());
  71     DispatchKeyEventPostIME(mock_key);
  72   } else {
  73     DispatchKeyEventPostIME(key);
  74   }
  75
  76   if (focus_changed_)
  77     return;
  78
  79   ui::TextInputClient* client = GetTextInputClient();
  80   if (client) {
  81     if (handled) {
  82       if (result_text_.length())
  83         client->InsertText(result_text_);
  84       if (composition_changed_) {
  85         if (composition_.text.length())
  86           client->SetCompositionText(composition_);
  87         else
  88           client->ClearCompositionText();
  89       }
  90     } else if (key.type() == ui::ET_KEY_PRESSED) {
  91       base::char16 ch = key.GetCharacter();
  92       client->InsertChar(ch, key.flags());
  93     }
  94   }
  95
  96   ClearResult();
  97 }
  98
  99 void MockInputMethod::OnTextInputTypeChanged(View* view) {
 100   if (IsViewFocused(view))
 101     text_input_type_changed_ = true;
 102   InputMethodBase::OnTextInputTypeChanged(view);
 103 }
 104
 105 void MockInputMethod::OnCaretBoundsChanged(View* view) {
 106   if (IsViewFocused(view))
 107     caret_bounds_changed_ = true;
 108 }
 109
 110 void MockInputMethod::CancelComposition(View* view) {
 111   if (IsViewFocused(view)) {
 112     cancel_composition_called_ = true;
 113     ClearResult();
 114   }
 115 }
 116
 117 void MockInputMethod::OnInputLocaleChanged() {
 118   input_locale_changed_ = true;
 119 }
 120
 121 std::string MockInputMethod::GetInputLocale() {
 122   return locale_;
 123 }
 124
 125 bool MockInputMethod::IsActive() {
 126   return active_;
 127 }
 128
 129 bool MockInputMethod::IsCandidatePopupOpen() const {
 130   return false;
 131 }
 132
 133 void MockInputMethod::ShowImeIfNeeded() {
 134 }
 135
 136 bool MockInputMethod::IsMock() const {
 137   return true;
 138 }
 139
 140 void MockInputMethod::OnWillChangeFocus(View* focused_before, View* focused)  {
 141   ui::TextInputClient* client = GetTextInputClient();
 142   if (client && client->HasCompositionText())
 143     client->ConfirmCompositionText();
 144   focus_changed_ = true;
 145   ClearResult();
 146 }
 147
 148 void MockInputMethod::Clear() {
 149   ClearStates();
 150   ClearResult();
 151 }
 152
 153 void MockInputMethod::SetCompositionTextForNextKey(
 154     const ui::CompositionText& composition) {
 155   composition_changed_ = true;
 156   composition_ = composition;
 157 }
 158
 159 void MockInputMethod::SetResultTextForNextKey(const base::string16& result) {
 160   result_text_ = result;
 161 }
 162
 163 void MockInputMethod::SetInputLocale(const std::string& locale) {
 164   if (locale_ != locale) {
 165     locale_ = locale;
 166     OnInputMethodChanged();
 167   }
 168 }
 169
 170 void MockInputMethod::SetActive(bool active) {
 171   if (active_ != active) {
 172     active_ = active;
 173     OnInputMethodChanged();
 174   }
 175 }
 176
 177 void MockInputMethod::ClearStates() {
 178   focus_changed_ = false;
 179   untranslated_ime_message_called_ = false;
 180   text_input_type_changed_ = false;
 181   caret_bounds_changed_ = false;
 182   cancel_composition_called_ = false;
 183   input_locale_changed_ = false;
 184 }
 185
 186 void MockInputMethod::ClearResult() {
 187   composition_.Clear();
 188   composition_changed_ = false;
 189   result_text_.clear();
 190 }
 191
 192 }  // namespace views