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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 SERVICES_WINDOW_MANAGER_BASIC_FOCUS_RULES_H_ | |
6 #define SERVICES_WINDOW_MANAGER_BASIC_FOCUS_RULES_H_ | |
7 | |
8 #include "services/window_manager/focus_rules.h" | |
9 | |
10 namespace mojo { | |
11 class View; | |
12 } | |
13 | |
14 namespace window_manager { | |
15 | |
16 // The focusing rules used inside a window manager. | |
17 // | |
18 // This is intended to be a user supplyable, subclassable component passed to | |
19 // WindowManagerApp, allowing for the creation of other window managers. | |
20 class BasicFocusRules : public FocusRules { | |
21 public: | |
22 BasicFocusRules(mojo::View* window_container); | |
23 ~BasicFocusRules() override; | |
24 | |
25 protected: | |
26 // Overridden from mojo::FocusRules: | |
27 bool SupportsChildActivation(mojo::View* view) const override; | |
28 bool IsToplevelView(mojo::View* view) const override; | |
29 bool CanActivateView(mojo::View* view) const override; | |
30 bool CanFocusView(mojo::View* view) const override; | |
31 mojo::View* GetToplevelView(mojo::View* view) const override; | |
32 mojo::View* GetActivatableView(mojo::View* view) const override; | |
33 mojo::View* GetFocusableView(mojo::View* view) const override; | |
34 mojo::View* GetNextActivatableView(mojo::View* activatable) const override; | |
35 | |
36 private: | |
37 bool CanFocusViewImpl(mojo::View* view) const; | |
38 | |
39 // Tests to see if |view| is in |window_container_|. | |
40 bool IsViewParentedToWindowContainer(mojo::View* view) const; | |
41 | |
42 mojo::View* window_container_; | |
43 | |
44 DISALLOW_COPY_AND_ASSIGN(BasicFocusRules); | |
45 }; | |
46 | |
47 } // namespace window_manager | |
48 | |
49 #endif // SERVICES_WINDOW_MANAGER_BASIC_FOCUS_RULES_H_ | |
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