src/athena/wm/window_manager_impl.h

   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_list_provider_observer.h"
  11 #include "athena/wm/public/window_manager.h"
  12 #include "athena/wm/title_drag_controller.h"
  13 #include "athena/wm/window_overview_mode.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "base/observer_list.h"
  16 #include "ui/aura/window_observer.h"
  17
  18 namespace wm {
  19 class ShadowController;
  20 class WMState;
  21 }
  22
  23 namespace athena {
  24
  25 namespace test {
  26 class WindowManagerImplTestApi;
  27 }
  28
  29 class SplitViewController;
  30 class WindowListProviderImpl;
  31 class WindowManagerObserver;
  32
  33 class ATHENA_EXPORT WindowManagerImpl : public WindowManager,
  34                                         public WindowOverviewModeDelegate,
  35                                         public WindowListProviderObserver,
  36                                         public aura::WindowObserver,
  37                                         public AcceleratorHandler,
  38                                         public TitleDragControllerDelegate {
  39  public:
  40   WindowManagerImpl();
  41   ~WindowManagerImpl() override;
  42
  43   void ToggleSplitView();
  44
  45   // WindowManager:
  46   void EnterOverview() override;
  47   // Exits overview and activates the previously active activity
  48   void ExitOverview() override;
  49   bool IsOverviewModeActive() override;
  50
  51  private:
  52   friend class test::WindowManagerImplTestApi;
  53   friend class AthenaContainerLayoutManager;
  54
  55   enum Command {
  56     CMD_EXIT_OVERVIEW,
  57     CMD_TOGGLE_OVERVIEW,
  58     CMD_TOGGLE_SPLIT_VIEW,
  59   };
  60
  61   const AcceleratorData kEscAcceleratorData = {TRIGGER_ON_PRESS,
  62                                                ui::VKEY_ESCAPE,
  63                                                ui::EF_NONE,
  64                                                CMD_EXIT_OVERVIEW,
  65                                                AF_NONE};
  66
  67   // Exits overview mode without changing activation.  The caller should
  68   // ensure that a window is active after exiting overview mode.
  69   void ExitOverviewNoActivate();
  70
  71   void InstallAccelerators();
  72
  73   // WindowManager:
  74   void AddObserver(WindowManagerObserver* observer) override;
  75   void RemoveObserver(WindowManagerObserver* observer) override;
  76   void ToggleSplitViewForTest() override;
  77   WindowListProvider* GetWindowListProvider() override;
  78
  79   // WindowOverviewModeDelegate:
  80   void OnSelectWindow(aura::Window* window) override;
  81   void OnSelectSplitViewWindow(aura::Window* left,
  82                                aura::Window* right,
  83                                aura::Window* to_activate) override;
  84
  85   // WindowListProviderObserver:
  86   void OnWindowStackingChangedInList() override;
  87   void OnWindowAddedToList(aura::Window* window) override;
  88   void OnWindowRemovedFromList(aura::Window* removed_window,
  89                                int index) override;
  90
  91   // aura::WindowObserver:
  92   void OnWindowDestroying(aura::Window* window) override;
  93
  94   // AcceleratorHandler:
  95   bool IsCommandEnabled(int command_id) const override;
  96   bool OnAcceleratorFired(int command_id,
  97                           const ui::Accelerator& accelerator) override;
  98
  99   // TitleDragControllerDelegate:
 100   aura::Window* GetWindowBehind(aura::Window* window) override;
 101   void OnTitleDragStarted(aura::Window* window) override;
 102   void OnTitleDragCompleted(aura::Window* window) override;
 103   void OnTitleDragCanceled(aura::Window* window) override;
 104
 105   scoped_ptr<aura::Window> container_;
 106   scoped_ptr<WindowListProviderImpl> window_list_provider_;
 107   scoped_ptr<WindowOverviewMode> overview_;
 108   scoped_ptr<SplitViewController> split_view_controller_;
 109   scoped_ptr<wm::WMState> wm_state_;
 110   scoped_ptr<TitleDragController> title_drag_controller_;
 111   scoped_ptr<wm::ShadowController> shadow_controller_;
 112   ObserverList<WindowManagerObserver> observers_;
 113
 114   DISALLOW_COPY_AND_ASSIGN(WindowManagerImpl);
 115 };
 116
 117 }  // namespace athena
 118
 119 #endif  // ATHENA_WM_WINDOW_MANAGER_IMPL_H_