Clears focus on gesture event.

athena/home/home_card_impl.cc

 // Copyright 2014 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 "athena/home/home_card_impl.h"
 
 #include <cmath>
 #include <limits>
 
 #include "athena/common/container_priorities.h"
@@ skipping 138 matching lines @@
     // as its child view, so that custom pages and apps grid are available in
     // the home card.
     // TODO(mukai): make it so after the detailed UI has been fixed.
     main_view_ = new AthenaStartPageView(view_delegate);
     AddChildView(main_view_);
   }
 
   void SetStateProgress(HomeCard::State from_state,
                         HomeCard::State to_state,
                         float progress) {
+    // TODO(mukai): not clear the focus, but simply close the virtual keyboard.
+    if (from_state != HomeCard::VISIBLE_CENTERED ||
+        to_state != HomeCard::VISIBLE_CENTERED) {
+      GetFocusManager()->ClearFocus();
+    }
     if (from_state == HomeCard::VISIBLE_CENTERED)
       main_view_->SetLayoutState(1.0f - progress);
     else if (to_state == HomeCard::VISIBLE_CENTERED)
       main_view_->SetLayoutState(progress);
     else
       SetState(to_state);
   }
 
   void SetState(HomeCard::State state) {
     if (state == HomeCard::VISIBLE_CENTERED)
       main_view_->RequestFocusOnSearchBox();
     else
       GetWidget()->GetFocusManager()->ClearFocus();
     wm::SetShadowType(GetWidget()->GetNativeView(),
                       state == HomeCard::VISIBLE_MINIMIZED ?
                       wm::SHADOW_TYPE_NONE :
                       wm::SHADOW_TYPE_RECTANGULAR);
     main_view_->SetLayoutState(
         (state == HomeCard::VISIBLE_CENTERED) ? 1.0f : 0.0f);
   }
 
   void SetStateWithAnimation(HomeCard::State state) {
+    if (state == HomeCard::VISIBLE_CENTERED)
+      main_view_->RequestFocusOnSearchBox();
+    else
+      GetWidget()->GetFocusManager()->ClearFocus();
+
     if (state == HomeCard::VISIBLE_MINIMIZED)
       return;
 
     main_view_->SetLayoutStateWithAnimation(
         (state == HomeCard::VISIBLE_CENTERED) ? 1.0f : 0.0f);
   }
 
   void ClearGesture() {
     gesture_manager_.reset();
   }
@@ skipping 252 matching lines @@
   instance = NULL;
 }
 
 // static
 HomeCard* HomeCard::Get() {
   DCHECK(instance);
   return instance;
 }
 
 }  // namespace athena