Revert of Replace the HomeCard by the AppList in Athena.

athena/home/home_card_impl.cc

Index: athena/home/home_card_impl.cc
diff --git a/athena/home/home_card_impl.cc b/athena/home/home_card_impl.cc
index 13723afb1794e51d0868bd5d677382f29f0a308e..2f1dd8ccd463f36b72df4101dfb163b3a0d1fca6 100644
--- a/athena/home/home_card_impl.cc
+++ b/athena/home/home_card_impl.cc
@@ -4,12 +4,11 @@
 
 #include "athena/home/public/home_card.h"
 
-#include "athena/home/app_list_view_delegate.h"
+#include "athena/home/home_card_delegate_view.h"
 #include "athena/screen/public/screen_manager.h"
-#include "ui/app_list/pagination_model.h"
-#include "ui/app_list/views/app_list_view.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/aura/window.h"
+#include "ui/views/widget/widget.h"
 #include "ui/wm/core/visibility_controller.h"
 #include "ui/wm/core/window_animations.h"
 
@@ -42,12 +41,8 @@
   }
 
   void Layout() {
-    const int kHomeCardHeight = 150;
+    const int kHomeCardHeight = 50;
     const int kHomeCardHorizontalMargin = 50;
-    // Currently the home card is provided as a bubble and the bounds has to be
-    // increased to cancel the shadow.
-    // TODO(mukai): stops using the bubble and remove this.
-    const int kHomeCardShadowWidth = 30;
     if (container_->children().size() < 1)
       return;
     aura::Window* home_card = container_->children()[0];
@@ -59,7 +54,6 @@
                       screen_bounds.height() - kHomeCardHeight,
                       kHomeCardHorizontalMargin,
                       0);
-    card_bounds.Inset(-kHomeCardShadowWidth, -kHomeCardShadowWidth);
     SetChildBoundsDirect(home_card, card_bounds);
   }
 
@@ -81,8 +75,7 @@
   DISALLOW_COPY_AND_ASSIGN(HomeCardImpl);
 };
 
-HomeCardImpl::HomeCardImpl()
-  : home_card_widget_(NULL) {
+HomeCardImpl::HomeCardImpl() : home_card_widget_(NULL) {
   DCHECK(!instance);
   instance = this;
 }
@@ -99,16 +92,23 @@
   container->SetLayoutManager(new HomeCardLayoutManager(container));
   wm::SetChildWindowVisibilityChangesAnimated(container);
 
-  app_list::AppListView* view = new app_list::AppListView(
-      new AppListViewDelegate);
-  view->InitAsBubbleAtFixedLocation(
-      container,
-      0 /* initial_apps_page */,
-      gfx::Point(),
-      views::BubbleBorder::FLOAT,
-      true /* border_accepts_events */);
-  home_card_widget_ = view->GetWidget();
-  view->ShowWhenReady();
+  views::Widget::InitParams params(
+      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
+  params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
+  params.delegate = new HomeCardDelegateView();
+  params.parent = container;
+
+  home_card_widget_ = new views::Widget;
+  home_card_widget_->Init(params);
+  home_card_widget_->GetNativeView()->SetName("HomeCardWidget");
+
+  aura::Window* home_card_window = home_card_widget_->GetNativeView();
+  wm::SetWindowVisibilityAnimationType(
+      home_card_window, wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
+  wm::SetWindowVisibilityAnimationTransition(home_card_window,
+                                             wm::ANIMATE_BOTH);
+
+  home_card_widget_->Show();
 }
 
 }  // namespace