athena: Add a minimized state for the home-card.

athena/wm/window_manager_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/wm/public/window_manager.h"
 
+#include "athena/home/public/home_card.h"
 #include "athena/screen/public/screen_manager.h"
 #include "athena/wm/window_overview_mode.h"
 #include "base/logging.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/aura/window.h"
 #include "ui/wm/public/window_types.h"
 
 namespace athena {
 namespace {
 
@@ skipping 13 matching lines @@
     else
       overview_ = WindowOverviewMode::Create(container_.get(), this);
   }
 
  private:
   // WindowOverviewModeDelegate:
   virtual void OnSelectWindow(aura::Window* window) OVERRIDE {
     CHECK_EQ(container_.get(), window->parent());
     container_->StackChildAtTop(window);
     overview_.reset();
+
+    HomeCard::Get()->SetState(HomeCard::VISIBLE_MINIMIZED);
   }
 
   // aura::WindowObserver
   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {
     if (window == container_)
       container_.reset();
   }
 
   scoped_ptr<aura::Window> container_;
   scoped_ptr<ui::EventHandler> temp_handler_;
@@ skipping 91 matching lines @@
   return instance;
 }
 
 // static
 void WindowManager::Shutdown() {
   DCHECK(instance);
   delete instance;
   DCHECK(!instance);
 }
 
+// static
+WindowManager* WindowManager::GetInstance() {
+  DCHECK(instance);
+  return instance;
+}
+
 }  // namespace athena