| OLD | NEW |
| (Empty) |
| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_APP_LIST_SHOWER_APP_LIST_SHOWER_IMPL_H_ | |
| 6 #define UI_APP_LIST_SHOWER_APP_LIST_SHOWER_IMPL_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "base/macros.h" | |
| 12 #include "ui/app_list/pagination_model_observer.h" | |
| 13 #include "ui/app_list/shower/app_list_shower.h" | |
| 14 #include "ui/app_list/shower/app_list_shower_delegate.h" | |
| 15 #include "ui/aura/client/focus_change_observer.h" | |
| 16 #include "ui/aura/window_observer.h" | |
| 17 #include "ui/compositor/layer_animation_observer.h" | |
| 18 #include "ui/gfx/geometry/rect.h" | |
| 19 #include "ui/views/widget/widget_observer.h" | |
| 20 | |
| 21 namespace app_list { | |
| 22 class AppListView; | |
| 23 class AppListViewDelegate; | |
| 24 class AppListShowerDelegateFactory; | |
| 25 | |
| 26 namespace test { | |
| 27 class AppListShowerImplTestApi; | |
| 28 } | |
| 29 | |
| 30 class AppListShowerImplTest; | |
| 31 class AppListViewDelegate; | |
| 32 | |
| 33 // Manages app list UI. Creates AppListView and schedules showing/hiding | |
| 34 // animation. While the UI is visible, it monitors things such as app list | |
| 35 // activation state to auto dismiss the UI. Delegates the responsibility | |
| 36 // for laying out the app list UI to ash::AppListLayoutDelegate. | |
| 37 class APP_LIST_SHOWER_EXPORT AppListShowerImpl | |
| 38 : public AppListShower, | |
| 39 public aura::client::FocusChangeObserver, | |
| 40 public aura::WindowObserver, | |
| 41 public ui::ImplicitAnimationObserver, | |
| 42 public views::WidgetObserver, | |
| 43 public PaginationModelObserver { | |
| 44 public: | |
| 45 explicit AppListShowerImpl(AppListShowerDelegateFactory* factory); | |
| 46 ~AppListShowerImpl() override; | |
| 47 | |
| 48 // Returns app list window or NULL if it is not visible. | |
| 49 aura::Window* GetWindow(); | |
| 50 | |
| 51 // Returns app list view if one exists, or NULL otherwise. | |
| 52 AppListView* GetView() { return view_; } | |
| 53 | |
| 54 // AppListShower: | |
| 55 void Show(aura::Window* window) override; | |
| 56 void Dismiss() override; | |
| 57 bool IsVisible() const override; | |
| 58 bool GetTargetVisibility() const override; | |
| 59 | |
| 60 private: | |
| 61 friend class test::AppListShowerImplTestApi; | |
| 62 | |
| 63 // Sets the app list view and attempts to show it. | |
| 64 void SetView(AppListView* view); | |
| 65 | |
| 66 // Forgets the view. | |
| 67 void ResetView(); | |
| 68 | |
| 69 // Starts show/hide animation. | |
| 70 void ScheduleAnimation(); | |
| 71 | |
| 72 // aura::client::FocusChangeObserver overrides: | |
| 73 void OnWindowFocused(aura::Window* gained_focus, | |
| 74 aura::Window* lost_focus) override; | |
| 75 | |
| 76 // aura::WindowObserver overrides: | |
| 77 void OnWindowBoundsChanged(aura::Window* root, | |
| 78 const gfx::Rect& old_bounds, | |
| 79 const gfx::Rect& new_bounds) override; | |
| 80 | |
| 81 // ui::ImplicitAnimationObserver overrides: | |
| 82 void OnImplicitAnimationsCompleted() override; | |
| 83 | |
| 84 // views::WidgetObserver overrides: | |
| 85 void OnWidgetDestroying(views::Widget* widget) override; | |
| 86 | |
| 87 // PaginationModelObserver overrides: | |
| 88 void TotalPagesChanged() override; | |
| 89 void SelectedPageChanged(int old_selected, int new_selected) override; | |
| 90 void TransitionStarted() override; | |
| 91 void TransitionChanged() override; | |
| 92 | |
| 93 // Not owned | |
| 94 AppListShowerDelegateFactory* const factory_; | |
| 95 | |
| 96 // Responsible for laying out the app list UI. | |
| 97 std::unique_ptr<AppListShowerDelegate> shower_delegate_; | |
| 98 | |
| 99 // Whether we should show or hide app list widget. | |
| 100 bool is_visible_ = false; | |
| 101 | |
| 102 // The AppListView this class manages, owned by its widget. | |
| 103 AppListView* view_ = nullptr; | |
| 104 | |
| 105 // The current page of the AppsGridView of |view_|. This is stored outside of | |
| 106 // the view's PaginationModel, so that it persists when the view is destroyed. | |
| 107 int current_apps_page_ = -1; | |
| 108 | |
| 109 // Cached bounds of |view_| for snapping back animation after over-scroll. | |
| 110 gfx::Rect view_bounds_; | |
| 111 | |
| 112 // Whether should schedule snap back animation. | |
| 113 bool should_snap_back_ = false; | |
| 114 | |
| 115 DISALLOW_COPY_AND_ASSIGN(AppListShowerImpl); | |
| 116 }; | |
| 117 | |
| 118 } // namespace app_list | |
| 119 | |
| 120 #endif // UI_APP_LIST_SHOWER_APP_LIST_SHOWER_IMPL_H_ | |
| OLD | NEW |