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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_WM_CORE_CAPTURE_CONTROLLER_H_ | 5 #ifndef UI_WM_CORE_CAPTURE_CONTROLLER_H_ |
6 #define UI_WM_CORE_CAPTURE_CONTROLLER_H_ | 6 #define UI_WM_CORE_CAPTURE_CONTROLLER_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/compiler_specific.h" | 11 #include "base/compiler_specific.h" |
12 #include "ui/aura/client/capture_client.h" | 12 #include "ui/aura/client/capture_client.h" |
13 #include "ui/aura/window_observer.h" | 13 #include "ui/aura/window_observer.h" |
14 #include "ui/wm/core/wm_core_export.h" | 14 #include "ui/wm/wm_export.h" |
15 | 15 |
16 namespace wm { | 16 namespace wm { |
17 | 17 |
18 // Internal CaptureClient implementation. See ScopedCaptureClient for details. | 18 // Internal CaptureClient implementation. See ScopedCaptureClient for details. |
19 class WM_CORE_EXPORT CaptureController : public aura::client::CaptureClient { | 19 class WM_EXPORT CaptureController : public aura::client::CaptureClient { |
20 public: | 20 public: |
21 // Adds |root| to the list of RootWindows notified when capture changes. | 21 // Adds |root| to the list of RootWindows notified when capture changes. |
22 void Attach(aura::Window* root); | 22 void Attach(aura::Window* root); |
23 | 23 |
24 // Removes |root| from the list of RootWindows notified when capture changes. | 24 // Removes |root| from the list of RootWindows notified when capture changes. |
25 void Detach(aura::Window* root); | 25 void Detach(aura::Window* root); |
26 | 26 |
27 // Returns true if this CaptureController is installed on at least one | 27 // Returns true if this CaptureController is installed on at least one |
28 // RootWindow. | 28 // RootWindow. |
29 bool is_active() const { return !root_windows_.empty(); } | 29 bool is_active() const { return !root_windows_.empty(); } |
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46 | 46 |
47 // Set of RootWindows notified when capture changes. | 47 // Set of RootWindows notified when capture changes. |
48 RootWindows root_windows_; | 48 RootWindows root_windows_; |
49 | 49 |
50 DISALLOW_COPY_AND_ASSIGN(CaptureController); | 50 DISALLOW_COPY_AND_ASSIGN(CaptureController); |
51 }; | 51 }; |
52 | 52 |
53 // ScopedCaptureClient is responsible for creating a CaptureClient for a | 53 // ScopedCaptureClient is responsible for creating a CaptureClient for a |
54 // RootWindow. Specifically it creates a single CaptureController that is shared | 54 // RootWindow. Specifically it creates a single CaptureController that is shared |
55 // among all ScopedCaptureClients and adds the RootWindow to it. | 55 // among all ScopedCaptureClients and adds the RootWindow to it. |
56 class WM_CORE_EXPORT ScopedCaptureClient : public aura::WindowObserver { | 56 class WM_EXPORT ScopedCaptureClient : public aura::WindowObserver { |
57 public: | 57 public: |
58 explicit ScopedCaptureClient(aura::Window* root); | 58 explicit ScopedCaptureClient(aura::Window* root); |
59 virtual ~ScopedCaptureClient(); | 59 virtual ~ScopedCaptureClient(); |
60 | 60 |
61 // Returns true if there is a CaptureController with at least one RootWindow. | 61 // Returns true if there is a CaptureController with at least one RootWindow. |
62 static bool IsActive(); | 62 static bool IsActive(); |
63 | 63 |
64 aura::client::CaptureClient* capture_client() { | 64 aura::client::CaptureClient* capture_client() { |
65 return capture_controller_; | 65 return capture_controller_; |
66 } | 66 } |
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77 | 77 |
78 // RootWindow this ScopedCaptureClient was create for. | 78 // RootWindow this ScopedCaptureClient was create for. |
79 aura::Window* root_window_; | 79 aura::Window* root_window_; |
80 | 80 |
81 DISALLOW_COPY_AND_ASSIGN(ScopedCaptureClient); | 81 DISALLOW_COPY_AND_ASSIGN(ScopedCaptureClient); |
82 }; | 82 }; |
83 | 83 |
84 } // namespace wm | 84 } // namespace wm |
85 | 85 |
86 #endif // UI_WM_CORE_CAPTURE_CONTROLLER_H_ | 86 #endif // UI_WM_CORE_CAPTURE_CONTROLLER_H_ |
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