ime: Implement the observer list for FakeInputMethod.

BUG=none

Review URL: https://codereview.chromium.org/13845017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@194365 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 16 insertions, 3 deletions

diff --git a/ui/base/ime/fake_input_method.cc b/ui/base/ime/fake_input_method.cc
index 5b330ee..66e2215 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() {}
 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
diff --git a/ui/base/ime/fake_input_method.h b/ui/base/ime/fake_input_method.h
index eef05a6..7e71c42 100644
--- a/ui/base/ime/fake_input_method.h
+++ b/ui/base/ime/fake_input_method.h
@@ -9,7 +9,9 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/observer_list.h"
 #include "ui/base/ime/input_method.h"
+#include "ui/base/ime/input_method_observer.h"
 #include "ui/base/ui_export.h"
 
 namespace ui {
@@ -47,6 +49,7 @@ class UI_EXPORT FakeInputMethod : NON_EXPORTED_BASE(public InputMethod) {
  private:
   internal::InputMethodDelegate* delegate_;
   TextInputClient* text_input_client_;
+  ObserverList<InputMethodObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeInputMethod);
 };