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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_VIEWS_COREWM_CAPTURE_CONTROLLER_H_ | 5 #ifndef UI_WM_CORE_CAPTURE_CONTROLLER_H_ |
| 6 #define UI_VIEWS_COREWM_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/views/views_export.h" | 14 #include "ui/wm/core/wm_core_export.h" |
| 15 | 15 |
| 16 namespace views { | 16 namespace views { |
| 17 namespace corewm { | 17 namespace corewm { |
| 18 | 18 |
| 19 // Internal CaptureClient implementation. See ScopedCaptureClient for details. | 19 // Internal CaptureClient implementation. See ScopedCaptureClient for details. |
| 20 class VIEWS_EXPORT CaptureController : public aura::client::CaptureClient { | 20 class WM_CORE_EXPORT CaptureController : public aura::client::CaptureClient { |
| 21 public: | 21 public: |
| 22 // Adds |root| to the list of RootWindows notified when capture changes. | 22 // Adds |root| to the list of RootWindows notified when capture changes. |
| 23 void Attach(aura::Window* root); | 23 void Attach(aura::Window* root); |
| 24 | 24 |
| 25 // Removes |root| from the list of RootWindows notified when capture changes. | 25 // Removes |root| from the list of RootWindows notified when capture changes. |
| 26 void Detach(aura::Window* root); | 26 void Detach(aura::Window* root); |
| 27 | 27 |
| 28 // Returns true if this CaptureController is installed on at least one | 28 // Returns true if this CaptureController is installed on at least one |
| 29 // RootWindow. | 29 // RootWindow. |
| 30 bool is_active() const { return !root_windows_.empty(); } | 30 bool is_active() const { return !root_windows_.empty(); } |
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| 47 | 47 |
| 48 // Set of RootWindows notified when capture changes. | 48 // Set of RootWindows notified when capture changes. |
| 49 RootWindows root_windows_; | 49 RootWindows root_windows_; |
| 50 | 50 |
| 51 DISALLOW_COPY_AND_ASSIGN(CaptureController); | 51 DISALLOW_COPY_AND_ASSIGN(CaptureController); |
| 52 }; | 52 }; |
| 53 | 53 |
| 54 // ScopedCaptureClient is responsible for creating a CaptureClient for a | 54 // ScopedCaptureClient is responsible for creating a CaptureClient for a |
| 55 // RootWindow. Specifically it creates a single CaptureController that is shared | 55 // RootWindow. Specifically it creates a single CaptureController that is shared |
| 56 // among all ScopedCaptureClients and adds the RootWindow to it. | 56 // among all ScopedCaptureClients and adds the RootWindow to it. |
| 57 class VIEWS_EXPORT ScopedCaptureClient : public aura::WindowObserver { | 57 class WM_CORE_EXPORT ScopedCaptureClient : public aura::WindowObserver { |
| 58 public: | 58 public: |
| 59 explicit ScopedCaptureClient(aura::Window* root); | 59 explicit ScopedCaptureClient(aura::Window* root); |
| 60 virtual ~ScopedCaptureClient(); | 60 virtual ~ScopedCaptureClient(); |
| 61 | 61 |
| 62 // Returns true if there is a CaptureController with at least one RootWindow. | 62 // Returns true if there is a CaptureController with at least one RootWindow. |
| 63 static bool IsActive(); | 63 static bool IsActive(); |
| 64 | 64 |
| 65 aura::client::CaptureClient* capture_client() { | 65 aura::client::CaptureClient* capture_client() { |
| 66 return capture_controller_; | 66 return capture_controller_; |
| 67 } | 67 } |
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| 78 | 78 |
| 79 // RootWindow this ScopedCaptureClient was create for. | 79 // RootWindow this ScopedCaptureClient was create for. |
| 80 aura::Window* root_window_; | 80 aura::Window* root_window_; |
| 81 | 81 |
| 82 DISALLOW_COPY_AND_ASSIGN(ScopedCaptureClient); | 82 DISALLOW_COPY_AND_ASSIGN(ScopedCaptureClient); |
| 83 }; | 83 }; |
| 84 | 84 |
| 85 } // namespace corewm | 85 } // namespace corewm |
| 86 } // namespace views | 86 } // namespace views |
| 87 | 87 |
| 88 #endif // UI_VIEWS_COREWM_CAPTURE_CONTROLLER_H_ | 88 #endif // UI_WM_CORE_CAPTURE_CONTROLLER_H_ |
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