ime: Implement the observer list for FakeInputMethod.

ui/base/ime/fake_input_method.cc

 // Copyright (c) 2012 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.
 
 #include "ui/base/ime/fake_input_method.h"
 
 #include "base/logging.h"
 #include "base/string16.h"
 #include "ui/base/events/event.h"
 #include "ui/base/events/event_constants.h"
@@ skipping 33 matching lines @@
 
 FakeInputMethod::~FakeInputMethod() {
 }
 
 void FakeInputMethod::SetDelegate(internal::InputMethodDelegate* delegate) {
   delegate_ = delegate;
 }
 
 void FakeInputMethod::SetFocusedTextInputClient(TextInputClient* client) {
   text_input_client_ = client;
+  FOR_EACH_OBSERVER(InputMethodObserver, observers_,
+                    OnTextInputStateChanged(client));
 }
 
 TextInputClient* FakeInputMethod::GetTextInputClient() const {
   return text_input_client_;
 }
 
 bool FakeInputMethod::DispatchKeyEvent(const base::NativeEvent& native_event) {
   bool handled = false;
 #if defined(OS_WIN)
   if (native_event.message == WM_CHAR) {
@@ skipping 38 matching lines @@
       event.type(), event.key_code(), event.flags());
   if (event.type() == ET_KEY_PRESSED && text_input_client_) {
     uint16 ch = event.GetCharacter();
     if (ch)
       text_input_client_->InsertChar(ch, event.flags());
   }
   return handled;
 }
 
 void FakeInputMethod::Init(bool focused) {}
 void FakeInputMethod::OnFocus() {}

[sadrul, 2013/04/16 02:25:18]

Is it necessary to trigger the observer callback for Focus/Blur too?

[Seigo Nonaka, 2013/04/16 07:49:18]

I think no as far as virtual keyboard is not the case.
Focus/Blur observer is used only in MockInputMethod and it is only used for
testing.

On 2013/04/16 02:25:18, sadrul wrote:

[sadrul, 2013/04/16 15:14:56]

Ah, cool. Thanks!

 void FakeInputMethod::OnBlur() {}
-void FakeInputMethod::OnTextInputTypeChanged(const TextInputClient* client) {}
+void FakeInputMethod::OnTextInputTypeChanged(const TextInputClient* client) {
+  FOR_EACH_OBSERVER(InputMethodObserver, observers_,
+                    OnTextInputStateChanged(client));
+}
 void FakeInputMethod::OnCaretBoundsChanged(const TextInputClient* client) {}
 void FakeInputMethod::CancelComposition(const TextInputClient* client) {}
 
 std::string FakeInputMethod::GetInputLocale() {
   return "";
 }
 
 base::i18n::TextDirection FakeInputMethod::GetInputTextDirection() {
   return base::i18n::UNKNOWN_DIRECTION;
 }
 
 bool FakeInputMethod::IsActive() {
   return true;
 }
 
 ui::TextInputType FakeInputMethod::GetTextInputType() const {
   return ui::TEXT_INPUT_TYPE_NONE;
 }
 
 bool FakeInputMethod::CanComposeInline() const {
   return true;
 }
 
-void FakeInputMethod::AddObserver(InputMethodObserver* observer) {}
-void FakeInputMethod::RemoveObserver(InputMethodObserver* observer) {}
+void FakeInputMethod::AddObserver(InputMethodObserver* observer) {
+  observers_.AddObserver(observer);
+}
+
+void FakeInputMethod::RemoveObserver(InputMethodObserver* observer) {
+  observers_.RemoveObserver(observer);
+}
 
 }  // namespace ui