Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2012 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 ASH_WM_APP_LIST_CONTROLLER_H_ |
| 6 | #define ASH_WM_APP_LIST_CONTROLLER_H_ |
| 7 | |
| 8 | #include "ash/launcher/launcher_icon_observer.h" |
| 9 | #include "ash/shell_observer.h" |
| 10 | #include "base/basictypes.h" |
| 11 | #include "base/compiler_specific.h" |
| 12 | #include "base/timer.h" |
| 13 | #include "ui/app_list/pagination_model_observer.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 14 | #include "ui/aura/client/focus_change_observer.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 15 | #include "ui/aura/root_window_observer.h" |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 16 | #include "ui/base/events/event_handler.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 17 | #include "ui/compositor/layer_animation_observer.h" |
| 18 | #include "ui/gfx/rect.h" |
| 19 | #include "ui/views/widget/widget_observer.h" |
| 20 | |
| 21 | namespace app_list { |
| 22 | class AppListView; |
| 23 | class PaginationModel; |
| 24 | } |
| 25 | |
| 26 | namespace ui { |
| 27 | class LocatedEvent; |
| 28 | } |
| 29 | |
| 30 | namespace ash { |
| 31 | namespace internal { |
| 32 | |
| 33 | // AppListController is a controller that manages app list UI for shell. |
| 34 | // It creates AppListView and schedules showing/hiding animation. |
| 35 | // While the UI is visible, it monitors things such as app list widget's |
| 36 | // activation state and desktop mouse click to auto dismiss the UI. |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 37 | class AppListController : public ui::EventHandler, |
| 38 | public aura::client::FocusChangeObserver, |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 39 | public aura::RootWindowObserver, |
| 40 | public ui::ImplicitAnimationObserver, |
| 41 | public views::WidgetObserver, |
| 42 | public ShellObserver, |
| 43 | public LauncherIconObserver, |
| 44 | public app_list::PaginationModelObserver { |
| 45 | public: |
| 46 | AppListController(); |
| 47 | virtual ~AppListController(); |
| 48 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 49 | // Show/hide app list window. The |window| is used to deterime in |
| 50 | // which display (in which the |window| exists) the app list should |
| 51 | // be shown. |
| 52 | void SetVisible(bool visible, aura::Window* window); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 53 | |
| 54 | // Whether app list window is visible (shown or being shown). |
| 55 | bool IsVisible() const; |
| 56 | |
| 57 | // Returns target visibility. This differs from IsVisible() if an animation |
| 58 | // is ongoing. |
| 59 | bool GetTargetVisibility() const { return is_visible_; } |
| 60 | |
| 61 | // Returns app list window or NULL if it is not visible. |
| 62 | aura::Window* GetWindow(); |
| 63 | |
| 64 | private: |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 65 | // Sets the app list view and attempts to show it. |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 66 | void SetView(app_list::AppListView* view); |
| 67 | |
| 68 | // Forgets the view. |
| 69 | void ResetView(); |
| 70 | |
| 71 | // Starts show/hide animation. |
| 72 | void ScheduleAnimation(); |
| 73 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 74 | void ProcessLocatedEvent(ui::LocatedEvent* event); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 75 | |
| 76 | // Makes app list bubble update its bounds. |
| 77 | void UpdateBounds(); |
| 78 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 79 | // ui::EventHandler overrides: |
| 80 | virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE; |
| 81 | virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 82 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 83 | // aura::client::FocusChangeObserver overrides: |
| 84 | virtual void OnWindowFocused(aura::Window* gained_focus, |
| 85 | aura::Window* lost_focus) OVERRIDE; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 86 | |
| 87 | // aura::RootWindowObserver overrides: |
| 88 | virtual void OnRootWindowResized(const aura::RootWindow* root, |
| 89 | const gfx::Size& old_size) OVERRIDE; |
| 90 | |
| 91 | // ui::ImplicitAnimationObserver overrides: |
| 92 | virtual void OnImplicitAnimationsCompleted() OVERRIDE; |
| 93 | |
| 94 | // views::WidgetObserver overrides: |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 95 | virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 96 | |
| 97 | // ShellObserver overrides: |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame^] | 98 | virtual void OnShelfAlignmentChanged(aura::RootWindow* root_window) OVERRIDE; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 99 | |
| 100 | // LauncherIconObserver overrides: |
| 101 | virtual void OnLauncherIconPositionsChanged() OVERRIDE; |
| 102 | |
| 103 | // app_list::PaginationModelObserver overrides: |
| 104 | virtual void TotalPagesChanged() OVERRIDE; |
| 105 | virtual void SelectedPageChanged(int old_selected, int new_selected) OVERRIDE; |
| 106 | virtual void TransitionChanged() OVERRIDE; |
| 107 | |
| 108 | scoped_ptr<app_list::PaginationModel> pagination_model_; |
| 109 | |
| 110 | // Whether we should show or hide app list widget. |
| 111 | bool is_visible_; |
| 112 | |
| 113 | // The AppListView this class manages, owned by its widget. |
| 114 | app_list::AppListView* view_; |
| 115 | |
| 116 | // Cached bounds of |view_| for snapping back animation after over-scroll. |
| 117 | gfx::Rect view_bounds_; |
| 118 | |
| 119 | // Whether should schedule snap back animation. |
| 120 | bool should_snap_back_; |
| 121 | |
| 122 | DISALLOW_COPY_AND_ASSIGN(AppListController); |
| 123 | }; |
| 124 | |
| 125 | } // namespace internal |
| 126 | } // namespace ash |
| 127 | |
| 128 | #endif // ASH_WM_APP_LIST_CONTROLLER_H_ |