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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_LAYOUT_DELEGATE_H_ | |
6 #define ASH_WM_APP_LIST_LAYOUT_DELEGATE_H_ | |
7 | |
8 #include "ash/ash_export.h" | |
9 #include "ash/shelf/shelf_icon_observer.h" | |
10 #include "ash/shell_observer.h" | |
11 #include "base/compiler_specific.h" | |
12 #include "base/macros.h" | |
13 #include "ui/app_list/app_list_layout_delegate.h" | |
14 #include "ui/events/event_handler.h" | |
15 | |
16 namespace app_list { | |
17 class ApplicationDragAndDropHost; | |
18 class AppListView; | |
19 } | |
20 | |
21 namespace ui { | |
22 class LocatedEvent; | |
23 } | |
24 | |
25 namespace ash { | |
26 namespace test { | |
27 class AppListControllerTestApi; | |
28 } | |
29 | |
30 // Responsible for laying out the app list UI as well as updating the Shelf | |
31 // launch icon as the state of the app list changes. Listens to shell events | |
32 // and touches/mouse clicks outside the app list to auto dismiss the UI or | |
33 // update its layout as necessary. | |
34 class ASH_EXPORT AppListLayoutDelegate : public app_list::AppListLayoutDelegate, | |
35 public ui::EventHandler, | |
36 public ShellObserver, | |
37 public ShelfIconObserver { | |
38 public: | |
39 AppListLayoutDelegate(app_list::AppListController* controller); | |
40 ~AppListLayoutDelegate() override; | |
41 | |
42 // app_list::AppListController::LayoutDelegate: | |
xiyuan
2016/03/11 18:36:00
nit: update
mfomitchev
2016/03/24 17:47:29
Done.
| |
43 void Init(app_list::AppListView* view, | |
44 aura::Window* root_window, | |
45 int current_apps_page) override; | |
46 void OnShown(aura::Window* root_window) override; | |
47 void OnDismissed() override; | |
48 void UpdateBounds() override; | |
49 gfx::Vector2d GetVisibilityAnimationOffset( | |
50 aura::Window* root_window) override; | |
51 | |
52 private: | |
53 void ProcessLocatedEvent(ui::LocatedEvent* event); | |
54 | |
55 // ui::EventHandler overrides: | |
56 void OnMouseEvent(ui::MouseEvent* event) override; | |
57 void OnGestureEvent(ui::GestureEvent* event) override; | |
58 | |
59 // ShellObserver overrides: | |
60 void OnShelfAlignmentChanged(aura::Window* root_window) override; | |
61 void OnMaximizeModeStarted() override; | |
62 void OnMaximizeModeEnded() override; | |
63 | |
64 // ShelfIconObserver overrides: | |
65 void OnShelfIconPositionsChanged() override; | |
66 | |
67 // Whether the app list is visible (or in the process of being shown). | |
68 bool is_visible_; | |
69 | |
70 // Whether the app list should remain centered. | |
71 bool is_centered_; | |
72 | |
73 // Not owned. Pointer is guaranteed to be valid while this object is alive. | |
74 app_list::AppListController* controller_; | |
75 | |
76 // The AppListView this class manages, owned by its widget. | |
77 app_list::AppListView* view_; | |
78 | |
79 DISALLOW_COPY_AND_ASSIGN(AppListLayoutDelegate); | |
80 }; | |
81 | |
82 } // namespace ash | |
83 | |
84 #endif // ASH_WM_APP_LIST_LAYOUT_DELEGATE_H_ | |
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