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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 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 SERVICES_UI_VIEW_MANAGER_VIEW_STUB_H_ | 5 #ifndef SERVICES_UI_VIEW_MANAGER_VIEW_STUB_H_ |
6 #define SERVICES_UI_VIEW_MANAGER_VIEW_STUB_H_ | 6 #define SERVICES_UI_VIEW_MANAGER_VIEW_STUB_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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27 // | 27 // |
28 // Instances of this object are held by a unique pointer owned by the | 28 // Instances of this object are held by a unique pointer owned by the |
29 // parent view or view tree at the point where the view is being linked. | 29 // parent view or view tree at the point where the view is being linked. |
30 // Note that the lifetime of the views themselves is managed by the view | 30 // Note that the lifetime of the views themselves is managed by the view |
31 // registry. | 31 // registry. |
32 class ViewStub { | 32 class ViewStub { |
33 public: | 33 public: |
34 // Begins the process of resolving a view. | 34 // Begins the process of resolving a view. |
35 // Invokes |ViewRegistry.OnViewResolved| when the token is obtained | 35 // Invokes |ViewRegistry.OnViewResolved| when the token is obtained |
36 // from the owner or passes nullptr if an error occurs. | 36 // from the owner or passes nullptr if an error occurs. |
37 ViewStub(ViewRegistry* registry, mojo::ui::ViewOwnerPtr owner); | 37 ViewStub(ViewRegistry* registry, |
| 38 mojo::InterfaceHandle<mojo::ui::ViewOwner> owner); |
38 ~ViewStub(); | 39 ~ViewStub(); |
39 | 40 |
40 // Gets the view state referenced by the stub, or null if the view | 41 // Gets the view state referenced by the stub, or null if the view |
41 // has not yet been resolved or is unavailable. | 42 // has not yet been resolved or is unavailable. |
42 ViewState* state() const { return state_; } | 43 ViewState* state() const { return state_; } |
43 | 44 |
44 // Returns true if the view which was intended to be referenced by the | 45 // Returns true if the view which was intended to be referenced by the |
45 // stub has become unavailable. | 46 // stub has become unavailable. |
46 bool is_unavailable() const { return unavailable_; } | 47 bool is_unavailable() const { return unavailable_; } |
47 | 48 |
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101 ViewTreeState* tree_ = nullptr; | 102 ViewTreeState* tree_ = nullptr; |
102 ViewState* parent_ = nullptr; | 103 ViewState* parent_ = nullptr; |
103 uint32_t key_ = 0u; | 104 uint32_t key_ = 0u; |
104 | 105 |
105 DISALLOW_COPY_AND_ASSIGN(ViewStub); | 106 DISALLOW_COPY_AND_ASSIGN(ViewStub); |
106 }; | 107 }; |
107 | 108 |
108 } // namespace view_manager | 109 } // namespace view_manager |
109 | 110 |
110 #endif // SERVICES_UI_VIEW_MANAGER_VIEW_STUB_H_ | 111 #endif // SERVICES_UI_VIEW_MANAGER_VIEW_STUB_H_ |
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