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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_H_ | 5 #ifndef MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_H_ |
6 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_H_ | 6 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/observer_list.h" | 11 #include "base/observer_list.h" |
12 #include "mojo/public/cpp/bindings/array.h" | 12 #include "mojo/public/cpp/bindings/array.h" |
13 #include "mojo/public/interfaces/application/service_provider.mojom.h" | 13 #include "mojo/public/interfaces/application/service_provider.mojom.h" |
14 #include "mojo/services/public/cpp/view_manager/types.h" | 14 #include "mojo/services/public/cpp/view_manager/types.h" |
| 15 #include "mojo/services/public/interfaces/geometry/geometry.mojom.h" |
15 #include "mojo/services/public/interfaces/surfaces/surface_id.mojom.h" | 16 #include "mojo/services/public/interfaces/surfaces/surface_id.mojom.h" |
16 #include "mojo/services/public/interfaces/view_manager/view_manager_constants.mo
jom.h" | 17 #include "mojo/services/public/interfaces/view_manager/view_manager_constants.mo
jom.h" |
17 #include "ui/gfx/geometry/rect.h" | |
18 | 18 |
19 namespace mojo { | 19 namespace mojo { |
20 | 20 |
21 class ServiceProviderImpl; | 21 class ServiceProviderImpl; |
22 class View; | 22 class View; |
23 class ViewManager; | 23 class ViewManager; |
24 class ViewObserver; | 24 class ViewObserver; |
25 | 25 |
26 // Views are owned by the ViewManager. | 26 // Views are owned by the ViewManager. |
27 // TODO(beng): Right now, you'll have to implement a ViewObserver to track | 27 // TODO(beng): Right now, you'll have to implement a ViewObserver to track |
28 // destruction and NULL any pointers you have. | 28 // destruction and NULL any pointers you have. |
29 // Investigate some kind of smart pointer or weak pointer for these. | 29 // Investigate some kind of smart pointer or weak pointer for these. |
30 class View { | 30 class View { |
31 public: | 31 public: |
32 typedef std::vector<View*> Children; | 32 typedef std::vector<View*> Children; |
33 | 33 |
34 static View* Create(ViewManager* view_manager); | 34 static View* Create(ViewManager* view_manager); |
35 | 35 |
36 // Destroys this view and all its children. | 36 // Destroys this view and all its children. |
37 void Destroy(); | 37 void Destroy(); |
38 | 38 |
39 ViewManager* view_manager() { return manager_; } | 39 ViewManager* view_manager() { return manager_; } |
40 | 40 |
41 // Configuration. | 41 // Configuration. |
42 Id id() const { return id_; } | 42 Id id() const { return id_; } |
43 | 43 |
44 // Geometric disposition. | 44 // Geometric disposition. |
45 const gfx::Rect& bounds() const { return bounds_; } | 45 const Rect& bounds() const { return bounds_; } |
46 void SetBounds(const gfx::Rect& bounds); | 46 void SetBounds(const Rect& bounds); |
47 | 47 |
48 // Visibility (also see IsDrawn()). | 48 // Visibility (also see IsDrawn()). |
49 bool visible() const { return visible_; } | 49 bool visible() const { return visible_; } |
50 void SetVisible(bool value); | 50 void SetVisible(bool value); |
51 | 51 |
52 // A View is drawn if the View and all its ancestors are visible and the | 52 // A View is drawn if the View and all its ancestors are visible and the |
53 // View is attached to the root. | 53 // View is attached to the root. |
54 bool IsDrawn() const; | 54 bool IsDrawn() const; |
55 | 55 |
56 // Observation. | 56 // Observation. |
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93 friend class ViewPrivate; | 93 friend class ViewPrivate; |
94 friend class ViewManagerClientImpl; | 94 friend class ViewManagerClientImpl; |
95 | 95 |
96 explicit View(ViewManager* manager); | 96 explicit View(ViewManager* manager); |
97 | 97 |
98 void LocalDestroy(); | 98 void LocalDestroy(); |
99 void LocalAddChild(View* child); | 99 void LocalAddChild(View* child); |
100 void LocalRemoveChild(View* child); | 100 void LocalRemoveChild(View* child); |
101 // Returns true if the order actually changed. | 101 // Returns true if the order actually changed. |
102 bool LocalReorder(View* relative, OrderDirection direction); | 102 bool LocalReorder(View* relative, OrderDirection direction); |
103 void LocalSetBounds(const gfx::Rect& old_bounds, const gfx::Rect& new_bounds); | 103 void LocalSetBounds(const Rect& old_bounds, const Rect& new_bounds); |
104 void LocalSetDrawn(bool drawn); | 104 void LocalSetDrawn(bool drawn); |
105 | 105 |
106 ViewManager* manager_; | 106 ViewManager* manager_; |
107 Id id_; | 107 Id id_; |
108 View* parent_; | 108 View* parent_; |
109 Children children_; | 109 Children children_; |
110 | 110 |
111 ObserverList<ViewObserver> observers_; | 111 ObserverList<ViewObserver> observers_; |
112 | 112 |
113 gfx::Rect bounds_; | 113 Rect bounds_; |
114 | 114 |
115 bool visible_; | 115 bool visible_; |
116 | 116 |
117 // Drawn state is derived from the visible state and the parent's visible | 117 // Drawn state is derived from the visible state and the parent's visible |
118 // state. This field is only used if the view has no parent (eg it's a root). | 118 // state. This field is only used if the view has no parent (eg it's a root). |
119 bool drawn_; | 119 bool drawn_; |
120 | 120 |
121 DISALLOW_COPY_AND_ASSIGN(View); | 121 DISALLOW_COPY_AND_ASSIGN(View); |
122 }; | 122 }; |
123 | 123 |
124 } // namespace mojo | 124 } // namespace mojo |
125 | 125 |
126 #endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_H_ | 126 #endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_H_ |
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