Allows directly entering to VISIBLE_CENTERED state from gesture.

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/public/home_card.h"
 
 #include <cmath>
 #include <limits>
 
 #include "athena/common/container_priorities.h"
@@ skipping 588 matching lines @@
   if (state_ == HIDDEN)
     return NULL;
 
   return home_card_widget_ ? home_card_widget_->GetNativeWindow() : NULL;
 }
 
 void HomeCardImpl::OnGestureEnded(State final_state) {
   home_card_view_->ClearGesture();
   if (state_ != final_state &&
       (state_ == VISIBLE_MINIMIZED || final_state == VISIBLE_MINIMIZED)) {
+    SetState(final_state);
     WindowManager::GetInstance()->ToggleOverview();
   } else {
     HomeCard::State old_state = state_;
     state_ = final_state;
     home_card_view_->SetStateWithAnimation(old_state, final_state);
     layout_manager_->Layout();
   }
 }
 
 void HomeCardImpl::OnGestureProgressed(
     State from_state, State to_state, float progress) {
   home_card_view_->SetStateProgress(from_state, to_state, progress);
 
   gfx::Rect screen_bounds =
       home_card_widget_->GetNativeWindow()->GetRootWindow()->bounds();
   home_card_widget_->SetBounds(gfx::Tween::RectValueBetween(
       progress,
       GetBoundsForState(screen_bounds, from_state),
       GetBoundsForState(screen_bounds, to_state)));
 
   // TODO(mukai): signals the update to the window manager so that it shows the
   // intermediate visual state of overview mode.
 }
 
 void HomeCardImpl::OnOverviewModeEnter() {
-  SetState(VISIBLE_BOTTOM);
+  if (state_ == VISIBLE_MINIMIZED)
+    SetState(VISIBLE_BOTTOM);
 }
 
 void HomeCardImpl::OnOverviewModeExit() {
   SetState(VISIBLE_MINIMIZED);
 }
 
 void HomeCardImpl::OnWindowActivated(aura::Window* gained_active,
                                      aura::Window* lost_active) {
   if (state_ != HIDDEN &&
       gained_active != home_card_widget_->GetNativeWindow()) {
@@ skipping 17 matching lines @@
   instance = NULL;
 }
 
 // static
 HomeCard* HomeCard::Get() {
   DCHECK(instance);
   return instance;
 }
 
 }  // namespace athena