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      1 // Copyright 2014 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 ATHENA_WM_WINDOW_MANAGER_IMPL_H_
      6 #define ATHENA_WM_WINDOW_MANAGER_IMPL_H_
      7 
      8 #include "athena/athena_export.h"
      9 #include "athena/input/public/accelerator_manager.h"
     10 #include "athena/wm/public/window_manager.h"
     11 #include "athena/wm/title_drag_controller.h"
     12 #include "athena/wm/window_overview_mode.h"
     13 #include "base/memory/scoped_ptr.h"
     14 #include "base/observer_list.h"
     15 #include "ui/aura/window_observer.h"
     16 
     17 namespace wm {
     18 class ShadowController;
     19 class WMState;
     20 }
     21 
     22 namespace athena {
     23 
     24 namespace test {
     25 class WindowManagerImplTestApi;
     26 }
     27 
     28 class BezelController;
     29 class SplitViewController;
     30 class WindowListProvider;
     31 class WindowManagerObserver;
     32 
     33 class ATHENA_EXPORT WindowManagerImpl : public WindowManager,
     34                                         public WindowOverviewModeDelegate,
     35                                         public aura::WindowObserver,
     36                                         public AcceleratorHandler,
     37                                         public TitleDragControllerDelegate {
     38  public:
     39   WindowManagerImpl();
     40   virtual ~WindowManagerImpl();
     41 
     42   void ToggleSplitView();
     43 
     44   // WindowManager:
     45   virtual void ToggleOverview() OVERRIDE;
     46   virtual bool IsOverviewModeActive() OVERRIDE;
     47 
     48  private:
     49   friend class test::WindowManagerImplTestApi;
     50   friend class AthenaContainerLayoutManager;
     51 
     52   enum Command {
     53     CMD_TOGGLE_OVERVIEW,
     54     CMD_TOGGLE_SPLIT_VIEW,
     55   };
     56 
     57   // Sets whether overview mode is active.
     58   void SetInOverview(bool active);
     59 
     60   void InstallAccelerators();
     61 
     62   // WindowManager:
     63   virtual void AddObserver(WindowManagerObserver* observer) OVERRIDE;
     64   virtual void RemoveObserver(WindowManagerObserver* observer) OVERRIDE;
     65   virtual void ToggleSplitViewForTest() OVERRIDE;
     66   virtual WindowListProvider* GetWindowListProvider() OVERRIDE;
     67 
     68   // WindowOverviewModeDelegate:
     69   virtual void OnSelectWindow(aura::Window* window) OVERRIDE;
     70   virtual void OnSelectSplitViewWindow(aura::Window* left,
     71                                        aura::Window* right,
     72                                        aura::Window* to_activate) OVERRIDE;
     73 
     74   // aura::WindowObserver:
     75   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
     76 
     77   // AcceleratorHandler:
     78   virtual bool IsCommandEnabled(int command_id) const OVERRIDE;
     79   virtual bool OnAcceleratorFired(int command_id,
     80                                   const ui::Accelerator& accelerator) OVERRIDE;
     81 
     82   // TitleDragControllerDelegate:
     83   virtual aura::Window* GetWindowBehind(aura::Window* window) OVERRIDE;
     84   virtual void OnTitleDragStarted(aura::Window* window) OVERRIDE;
     85   virtual void OnTitleDragCompleted(aura::Window* window) OVERRIDE;
     86   virtual void OnTitleDragCanceled(aura::Window* window) OVERRIDE;
     87 
     88   scoped_ptr<aura::Window> container_;
     89   scoped_ptr<WindowListProvider> window_list_provider_;
     90   scoped_ptr<WindowOverviewMode> overview_;
     91   scoped_ptr<BezelController> bezel_controller_;
     92   scoped_ptr<SplitViewController> split_view_controller_;
     93   scoped_ptr<wm::WMState> wm_state_;
     94   scoped_ptr<TitleDragController> title_drag_controller_;
     95   scoped_ptr<wm::ShadowController> shadow_controller_;
     96   ObserverList<WindowManagerObserver> observers_;
     97 
     98   DISALLOW_COPY_AND_ASSIGN(WindowManagerImpl);
     99 };
    100 
    101 }  // namespace athena
    102 
    103 #endif  // ATHENA_WM_WINDOW_MANAGER_IMPL_H_
    104