Move app list from ash to ui.

ash/app_list/app_list.h

-// Copyright (c) 2012 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.
-
-#ifndef ASH_APP_LIST_APP_LIST_H_
-#define ASH_APP_LIST_APP_LIST_H_
-#pragma once
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/timer.h"
-#include "ui/aura/event_filter.h"
-#include "ui/aura/root_window_observer.h"
-#include "ui/compositor/layer_animation_observer.h"
-#include "ui/views/widget/widget.h"
-
-namespace ash {
-
-class AppListView;
-
-namespace internal {
-
-// AppList is a controller that manages app list UI for shell. To show the UI,
-// it requests app list widget from ShellDelegate and shows it when ready.
-// While the UI is visible, it monitors things such as app list widget's
-// activation state and desktop mouse click to auto dismiss the UI.
-class AppList : public aura::EventFilter,
-                public aura::RootWindowObserver,
-                public ui::ImplicitAnimationObserver,
-                public views::Widget::Observer {
- public:
-  AppList();
-  virtual ~AppList();
-
-  // Returns true if AppListV2 is enabled.
-  static bool UseAppListV2();
-
-  // Show/hide app list window.
-  void SetVisible(bool visible);
-
-  // Whether app list window is visible (shown or being shown).
-  bool IsVisible();
-
-  // Returns target visibility. This differs from IsVisible() if an animation
-  // is ongoing.
-  bool GetTargetVisibility() const { return is_visible_; }
-
-  // Returns app list window or NULL if it is not visible.
-  aura::Window* GetWindow();
-
- private:
-  // Sets app list view. If we are in visible mode, start showing animation.
-  // Otherwise, we just close it.
-  void SetView(AppListView* view);
-
-  // Forgets the view.
-  void ResetView();
-
-  // Starts show/hide animation. ScheduleAnimation is the master who manages
-  // when to call sub animations. There are three sub animations: background
-  // dimming, browser windows scale/fade and app list scale/fade. The background
-  // dimming runs in parallel with the other two and spans the whole animation
-  // time. The rest sub animations run in two steps. On showing, the first step
-  // is browser windows scale-out and fade-out and the 2nd step is app list
-  // scale-in and fade-in. The 2nd step animation is started via a timer and
-  // there is is a little overlap between the two animations. Hiding animation
-  // is the reverse of the showing animation.
-  void ScheduleAnimation();
-
-  void ScheduleBrowserWindowsAnimationForContainer(aura::Window* container);
-  void ScheduleBrowserWindowsAnimation();
-  void ScheduleDimmingAnimation();
-  void ScheduleAppListAnimation();
-
-  // aura::EventFilter overrides:
-  virtual bool PreHandleKeyEvent(aura::Window* target,
-                                 aura::KeyEvent* event) OVERRIDE;
-  virtual bool PreHandleMouseEvent(aura::Window* target,
-                                   aura::MouseEvent* event) OVERRIDE;
-  virtual ui::TouchStatus PreHandleTouchEvent(aura::Window* target,
-                                              aura::TouchEvent* event) OVERRIDE;
-  virtual ui::GestureStatus PreHandleGestureEvent(
-      aura::Window* target,
-      aura::GestureEvent* event) OVERRIDE;
-
-  // aura::RootWindowObserver overrides:
-  virtual void OnRootWindowResized(const aura::RootWindow* root,
-                                   const gfx::Size& old_size) OVERRIDE;
-  virtual void OnWindowFocused(aura::Window* window) OVERRIDE;
-
-  // ui::ImplicitAnimationObserver overrides:
-  virtual void OnImplicitAnimationsCompleted() OVERRIDE;
-
-  // views::Widget::Observer overrides:
-  virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE;
-
-  // Whether we should show or hide app list widget.
-  bool is_visible_;
-
-  // The AppListView this class manages, owned by its widget.
-  AppListView* view_;
-
-  // Timer to schedule the 2nd step animation, started when the first step
-  // animation is scheduled in ScheduleAnimation.
-  base::OneShotTimer<AppList> second_animation_timer_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppList);
-};
-
-}  // namespace internal
-}  // namespace ash
-
-#endif  //  ASH_APP_LIST_APP_LIST_H_