[Aura] Implement views-based applist.

ui/aura_shell/app_list/app_list.cc

 // Copyright (c) 2011 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 "ui/aura_shell/app_list.h"
+#include "ui/aura_shell/app_list/app_list.h"
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "ui/aura/event.h"
 #include "ui/aura/window.h"
+#include "ui/aura_shell/app_list/app_list_model.h"
+#include "ui/aura_shell/app_list/app_list_view.h"
+#include "ui/aura_shell/aura_shell_switches.h"
+#include "ui/aura_shell/shell_delegate.h"
 #include "ui/aura_shell/shell.h"
-#include "ui/aura_shell/shell_delegate.h"
 #include "ui/aura_shell/shell_window_ids.h"
 #include "ui/gfx/screen.h"
 
 namespace aura_shell {
 namespace internal {
 
 namespace {
 
 // Gets preferred bounds of app list window in show/hide state.
 gfx::Rect GetPreferredBounds(bool show) {
   // The y-axis offset used at the beginning of showing animation.
   static const int kMoveUpAnimationOffset = 50;
 
   gfx::Point cursor = gfx::Screen::GetCursorScreenPoint();
   gfx::Rect work_area = gfx::Screen::GetMonitorWorkAreaNearestPoint(cursor);
   gfx::Rect widget_bounds(work_area);
-  widget_bounds.Inset(150, 100);
+  widget_bounds.Inset(100, 100);
   if (!show)
     widget_bounds.Offset(0, kMoveUpAnimationOffset);
 
   return widget_bounds;
 }
 
 ui::Layer* GetLayer(views::Widget* widget) {
   return widget->GetNativeView()->layer();
 }
 
@@ skipping 15 matching lines @@
 
 void AppList::SetVisible(bool visible) {
   if (visible == is_visible_)
     return;
 
   is_visible_ = visible;
 
   if (widget_) {
     ScheduleAnimation();
   } else if (is_visible_ && !set_widget_factory_.HasWeakPtrs()) {
-    Shell::GetInstance()->delegate()->RequestAppListWidget(
-        GetPreferredBounds(false),
-        base::Bind(&AppList::SetWidget, set_widget_factory_.GetWeakPtr()));
+    if (CommandLine::ForCurrentProcess()->HasSwitch(
+            switches::kAuraViewsAppList)) {
+      scoped_ptr<AppListModel> model(new AppListModel);
+      Shell::GetInstance()->delegate()->BuildAppListModel(model.get());
+
+      // AppListModel and AppListViewDelegate are owned by AppListView. They
+      // will be released with AppListView on close.
+      new AppListView(
+          model.release(),
+          Shell::GetInstance()->delegate()->CreateAppListViewDelegate(),
+          GetPreferredBounds(false),
+          base::Bind(&AppList::SetWidget, set_widget_factory_.GetWeakPtr()));
+    } else {
+      Shell::GetInstance()->delegate()->RequestAppListWidget(
+          GetPreferredBounds(false),
+          base::Bind(&AppList::SetWidget, set_widget_factory_.GetWeakPtr()));
+    }
   }
 }
 
 bool AppList::IsVisible() {
   return widget_ && widget_->IsVisible();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // AppList, private:
 
@@ skipping 91 matching lines @@
 }
 
 void AppList::OnWidgetActivationChanged(views::Widget* widget, bool active) {
   DCHECK(widget_ == widget);
   if (widget_ && is_visible_ && !active)
     SetVisible(false);
 }
 
 }  // namespace internal
 }  // namespace aura_shell