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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 UI_AURA_DESKTOP_DESTKOP_ACTIVATION_CLIENT_H_ | 5 #ifndef UI_AURA_DESKTOP_DESTKOP_ACTIVATION_CLIENT_H_ |
6 #define UI_AURA_DESKTOP_DESTKOP_ACTIVATION_CLIENT_H_ | 6 #define UI_AURA_DESKTOP_DESTKOP_ACTIVATION_CLIENT_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/observer_list.h" | 9 #include "base/observer_list.h" |
10 #include "base/scoped_observer.h" | 10 #include "base/scoped_observer.h" |
11 #include "ui/aura/aura_export.h" | 11 #include "ui/aura/aura_export.h" |
12 #include "ui/aura/client/activation_client.h" | 12 #include "ui/aura/client/activation_client.h" |
13 #include "ui/aura/env_observer.h" | 13 #include "ui/aura/env_observer.h" |
14 #include "ui/aura/focus_change_observer.h" | 14 #include "ui/aura/focus_change_observer.h" |
15 #include "ui/aura/root_window_observer.h" | 15 #include "ui/aura/root_window_observer.h" |
16 #include "ui/aura/window_observer.h" | 16 #include "ui/aura/window_observer.h" |
17 | 17 |
18 namespace aura { | 18 namespace aura { |
19 class FocusManager; | 19 class FocusManager; |
20 namespace client { | 20 namespace client { |
21 class ActivationChangeObserver; | 21 class ActivationChangeObserver; |
22 } | 22 } |
23 | 23 |
24 // An activation client that handles activation events in a single | 24 // An activation client that handles activation events in a single |
25 // RootWindow. Used only on the Desktop where there can be multiple RootWindow | 25 // RootWindow. Used only on the Desktop where there can be multiple RootWindow |
26 // objects. | 26 // objects. |
27 class AURA_EXPORT DesktopActivationClient : public client::ActivationClient, | 27 class AURA_EXPORT DesktopActivationClient : public client::ActivationClient, |
28 public WindowObserver, | 28 public WindowObserver, |
29 public EnvObserver, | |
30 public FocusChangeObserver { | 29 public FocusChangeObserver { |
31 public: | 30 public: |
32 explicit DesktopActivationClient(FocusManager* focus_manager); | 31 explicit DesktopActivationClient(FocusManager* focus_manager); |
33 virtual ~DesktopActivationClient(); | 32 virtual ~DesktopActivationClient(); |
34 | 33 |
35 // ActivationClient: | 34 // ActivationClient: |
36 virtual void AddObserver(client::ActivationChangeObserver* observer) OVERRIDE; | 35 virtual void AddObserver(client::ActivationChangeObserver* observer) OVERRIDE; |
37 virtual void RemoveObserver( | 36 virtual void RemoveObserver( |
38 client::ActivationChangeObserver* observer) OVERRIDE; | 37 client::ActivationChangeObserver* observer) OVERRIDE; |
39 virtual void ActivateWindow(Window* window) OVERRIDE; | 38 virtual void ActivateWindow(Window* window) OVERRIDE; |
40 virtual void DeactivateWindow(Window* window) OVERRIDE; | 39 virtual void DeactivateWindow(Window* window) OVERRIDE; |
41 virtual aura::Window* GetActiveWindow() OVERRIDE; | 40 virtual aura::Window* GetActiveWindow() OVERRIDE; |
42 virtual bool OnWillFocusWindow(Window* window, | 41 virtual bool OnWillFocusWindow(Window* window, |
43 const ui::Event* event) OVERRIDE; | 42 const ui::Event* event) OVERRIDE; |
44 virtual bool CanActivateWindow(Window* window) const OVERRIDE; | 43 virtual bool CanActivateWindow(Window* window) const OVERRIDE; |
45 | 44 |
46 // Overridden from aura::WindowObserver: | 45 // Overridden from aura::WindowObserver: |
47 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; | 46 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; |
48 | 47 |
49 // Overridden from aura::EnvObserver: | |
50 virtual void OnWindowInitialized(aura::Window* window) OVERRIDE; | |
51 | |
52 // Overridden from aura::FocusChangeObserver: | 48 // Overridden from aura::FocusChangeObserver: |
53 virtual void OnWindowFocused(aura::Window* window) OVERRIDE; | 49 virtual void OnWindowFocused(aura::Window* window) OVERRIDE; |
54 | 50 |
55 protected: | 51 protected: |
56 // Walks up the chain to find the correct parent window to activate when we | 52 // Walks up the chain to find the correct parent window to activate when we |
57 // try to activate |window|. | 53 // try to activate |window|. |
58 aura::Window* GetActivatableWindow(aura::Window* window); | 54 aura::Window* GetActivatableWindow(aura::Window* window); |
59 | 55 |
60 // The focus manager that we collaborate with. | 56 // The focus manager that we collaborate with. |
61 FocusManager* focus_manager_; | 57 FocusManager* focus_manager_; |
62 | 58 |
63 // The current active window. | 59 // The current active window. |
64 Window* current_active_; | 60 Window* current_active_; |
65 | 61 |
66 // True inside ActivateWindow(). Used to prevent recursion of focus | 62 // True inside ActivateWindow(). Used to prevent recursion of focus |
67 // change notifications causing activation. | 63 // change notifications causing activation. |
68 bool updating_activation_; | 64 bool updating_activation_; |
69 | 65 |
70 ObserverList<client::ActivationChangeObserver> observers_; | 66 ObserverList<client::ActivationChangeObserver> observers_; |
71 | 67 |
72 ScopedObserver<aura::Window, aura::WindowObserver> observer_manager_; | 68 ScopedObserver<aura::Window, aura::WindowObserver> observer_manager_; |
73 | 69 |
74 DISALLOW_COPY_AND_ASSIGN(DesktopActivationClient); | 70 DISALLOW_COPY_AND_ASSIGN(DesktopActivationClient); |
75 }; | 71 }; |
76 | 72 |
77 } // namespace aura | 73 } // namespace aura |
78 | 74 |
79 #endif // UI_AURA_DESKTOP_DESTKOP_ACTIVATION_CLIENT_H_ | 75 #endif // UI_AURA_DESKTOP_DESTKOP_ACTIVATION_CLIENT_H_ |
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