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.
5 #include "athena/activity/public/activity_manager.h"
9 #include "base/macros.h"
10 #include "base/observer_list.h"
11 #include "ui/aura/window_observer.h"
12 #include "ui/wm/public/activation_change_observer.h"
16 class ActivityManagerObserver;
18 class ActivityManagerImpl : public ActivityManager,
19 public aura::WindowObserver,
20 public aura::client::ActivationChangeObserver {
22 ActivityManagerImpl();
23 ~ActivityManagerImpl() override;
25 int num_activities() const { return activities_.size(); }
28 void AddActivity(Activity* activity) override;
29 void RemoveActivity(Activity* activity) override;
30 const ActivityList& GetActivityList() override;
31 Activity* GetActivityForWindow(aura::Window* window) override;
32 void AddObserver(ActivityManagerObserver* observer) override;
33 void RemoveObserver(ActivityManagerObserver* observer) override;
36 // aura::WindowObserver:
37 void OnWindowDestroying(aura::Window* window) override;
39 // aura::client::ActivationChangeObserver:
40 void OnWindowActivated(aura::Window* gained_active,
41 aura::Window* lost_active) override;
43 std::vector<Activity*> activities_;
45 ObserverList<ActivityManagerObserver> observers_;
47 DISALLOW_COPY_AND_ASSIGN(ActivityManagerImpl);