src/athena/activity/activity_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 #include "athena/activity/public/activity_manager.h"
   6
   7 #include <vector>
   8
   9 #include "base/macros.h"
  10 #include "base/observer_list.h"
  11 #include "ui/views/widget/widget_observer.h"
  12
  13 namespace athena {
  14
  15 class ActivityManagerObserver;
  16
  17 class ActivityManagerImpl : public ActivityManager,
  18                             public views::WidgetObserver {
  19  public:
  20   ActivityManagerImpl();
  21   virtual ~ActivityManagerImpl();
  22
  23   int num_activities() const { return activities_.size(); }
  24
  25   // ActivityManager:
  26   virtual void AddActivity(Activity* activity) OVERRIDE;
  27   virtual void RemoveActivity(Activity* activity) OVERRIDE;
  28   virtual void UpdateActivity(Activity* activity) OVERRIDE;
  29   virtual Activity* GetActivityForWindow(aura::Window* window) OVERRIDE;
  30   virtual void AddObserver(ActivityManagerObserver* observer) OVERRIDE;
  31   virtual void RemoveObserver(ActivityManagerObserver* observer) OVERRIDE;
  32
  33   // views::WidgetObserver
  34   virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
  35
  36  private:
  37   std::vector<Activity*> activities_;
  38
  39   ObserverList<ActivityManagerObserver> observers_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(ActivityManagerImpl);
  42 };
  43
  44 }  // namespace athena