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1 // Copyright 2014 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 ATHENA_WM_OVERVIEW_TOOLBAR_H_ | |
6 #define ATHENA_WM_OVERVIEW_TOOLBAR_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "ui/gfx/geometry/rect.h" | |
11 | |
12 namespace aura { | |
13 class Window; | |
14 } | |
15 | |
16 namespace gfx { | |
17 class Transform; | |
18 } | |
19 | |
20 namespace ui { | |
21 class GestureEvent; | |
22 } | |
23 | |
24 namespace athena { | |
25 | |
26 class ActionButton; | |
27 | |
28 // Responsible for showing action-buttons at the right edge of the screen during | |
29 // overview mode. | |
30 class OverviewToolbar { | |
31 public: | |
32 enum ActionType { | |
33 ACTION_TYPE_NONE, | |
34 ACTION_TYPE_CLOSE, | |
35 ACTION_TYPE_SPLIT, | |
36 }; | |
37 | |
38 explicit OverviewToolbar(aura::Window* container); | |
39 virtual ~OverviewToolbar(); | |
40 | |
41 ActionType current_action() const { return current_action_; } | |
42 | |
43 // Returns the action the gesture-event is targeting. | |
44 ActionType GetHighlightAction(const ui::GestureEvent& event) const; | |
45 | |
46 void SetHighlightAction(ActionType action); | |
47 void ShowActionButtons(); | |
48 void HideActionButtons(); | |
49 | |
50 void DisableAction(ActionType action); | |
51 | |
52 private: | |
53 void ToggleActionButtonsVisibility(); | |
54 bool IsActionEnabled(ActionType action) const; | |
55 bool IsEventOverButton(ActionButton* button, | |
56 const ui::GestureEvent& event) const; | |
57 gfx::Transform ComputeTransformFor(ActionButton* button) const; | |
58 void TransformButton(ActionButton* button); | |
59 | |
60 bool shown_; | |
61 uint64_t disabled_action_bitfields_; | |
62 scoped_ptr<ActionButton> close_; | |
63 scoped_ptr<ActionButton> split_; | |
64 ActionType current_action_; | |
65 const gfx::Rect container_bounds_; | |
66 | |
67 DISALLOW_COPY_AND_ASSIGN(OverviewToolbar); | |
68 }; | |
69 | |
70 } // namespace athena | |
71 | |
72 #endif // ATHENA_WM_OVERVIEW_TOOLBAR_H_ | |
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