| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_WM_CORE_SHADOW_CONTROLLER_H_ |
| #define UI_WM_CORE_SHADOW_CONTROLLER_H_ |
| |
| #include <map> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/ref_counted.h" |
| #include "ui/wm/public/activation_change_observer.h" |
| #include "ui/wm/wm_export.h" |
| |
| namespace aura { |
| class Window; |
| namespace client { |
| class ActivationClient; |
| } |
| } |
| namespace gfx { |
| class Rect; |
| } |
| |
| namespace wm { |
| |
| class Shadow; |
| |
| // ShadowController observes changes to windows and creates and updates drop |
| // shadows as needed. ShadowController itself is light weight and per |
| // ActivationClient. ShadowController delegates to its implementation class, |
| // which observes all window creation. |
| class WM_EXPORT ShadowController : |
| public aura::client::ActivationChangeObserver { |
| public: |
| class WM_EXPORT TestApi { |
| public: |
| explicit TestApi(ShadowController* controller) : controller_(controller) {} |
| ~TestApi() {} |
| |
| Shadow* GetShadowForWindow(aura::Window* window); |
| |
| private: |
| ShadowController* controller_; // not owned |
| |
| DISALLOW_COPY_AND_ASSIGN(TestApi); |
| }; |
| |
| explicit ShadowController(aura::client::ActivationClient* activation_client); |
| ~ShadowController() override; |
| |
| // aura::client::ActivationChangeObserver overrides: |
| void OnWindowActivated(aura::Window* gained_active, |
| aura::Window* lost_active) override; |
| |
| private: |
| class Impl; |
| |
| aura::client::ActivationClient* activation_client_; |
| |
| scoped_refptr<Impl> impl_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ShadowController); |
| }; |
| |
| } // namespace wm |
| |
| #endif // UI_WM_CORE_SHADOW_CONTROLLER_H_ |