ime: Implement the observer list for FakeInputMethod.

ui/base/ime/fake_input_method.cc

Index: ui/base/ime/fake_input_method.cc
diff --git a/ui/base/ime/fake_input_method.cc b/ui/base/ime/fake_input_method.cc
index 5b330ee18cd2e95539abfc52e794fab4cc4ef2b7..66e2215abaf809ca769361892fe51d48912769c8 100644
--- a/ui/base/ime/fake_input_method.cc
+++ b/ui/base/ime/fake_input_method.cc
@@ -51,6 +51,8 @@ void FakeInputMethod::SetDelegate(internal::InputMethodDelegate* delegate) {
 
 void FakeInputMethod::SetFocusedTextInputClient(TextInputClient* client) {
   text_input_client_ = client;
+  FOR_EACH_OBSERVER(InputMethodObserver, observers_,
+                    OnTextInputStateChanged(client));
 }
 
 TextInputClient* FakeInputMethod::GetTextInputClient() const {
@@ -111,7 +113,10 @@ bool FakeInputMethod::DispatchFabricatedKeyEvent(const ui::KeyEvent& event) {
 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) {}
 
@@ -135,7 +140,12 @@ 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