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 num_activities()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 45