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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_VIEWS_COREWM_SHADOW_CONTROLLER_H_ | |
| 6 #define UI_VIEWS_COREWM_SHADOW_CONTROLLER_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "base/memory/ref_counted.h" | |
| 13 #include "ui/aura/client/activation_change_observer.h" | |
| 14 #include "ui/views/views_export.h" | |
| 15 | |
| 16 namespace aura { | |
| 17 class Window; | |
| 18 namespace client { | |
| 19 class ActivationClient; | |
| 20 } | |
| 21 } | |
| 22 namespace gfx { | |
| 23 class Rect; | |
| 24 } | |
| 25 | |
| 26 namespace views { | |
| 27 namespace corewm { | |
| 28 | |
| 29 class Shadow; | |
| 30 | |
| 31 // ShadowController observes changes to windows and creates and updates drop | |
| 32 // shadows as needed. ShadowController itself is light weight and per | |
| 33 // ActivationClient. ShadowController delegates to its implementation class, | |
| 34 // which observes all window creation. | |
| 35 class VIEWS_EXPORT ShadowController : | |
| 36 public aura::client::ActivationChangeObserver { | |
| 37 public: | |
| 38 class VIEWS_EXPORT TestApi { | |
| 39 public: | |
| 40 explicit TestApi(ShadowController* controller) : controller_(controller) {} | |
| 41 ~TestApi() {} | |
| 42 | |
| 43 Shadow* GetShadowForWindow(aura::Window* window); | |
| 44 | |
| 45 private: | |
| 46 ShadowController* controller_; // not owned | |
| 47 | |
| 48 DISALLOW_COPY_AND_ASSIGN(TestApi); | |
| 49 }; | |
| 50 | |
| 51 explicit ShadowController(aura::client::ActivationClient* activation_client); | |
| 52 virtual ~ShadowController(); | |
| 53 | |
| 54 // aura::client::ActivationChangeObserver overrides: | |
| 55 virtual void OnWindowActivated(aura::Window* gained_active, | |
| 56 aura::Window* lost_active) OVERRIDE; | |
| 57 | |
| 58 private: | |
| 59 class Impl; | |
| 60 | |
| 61 aura::client::ActivationClient* activation_client_; | |
| 62 | |
| 63 scoped_refptr<Impl> impl_; | |
| 64 | |
| 65 DISALLOW_COPY_AND_ASSIGN(ShadowController); | |
| 66 }; | |
| 67 | |
| 68 } // namespace corewm | |
| 69 } // namespace views | |
| 70 | |
| 71 #endif // UI_VIEWS_COREWM_SHADOW_CONTROLLER_H_ | |
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