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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 #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/aura/window_observer.h" | |
12 #include "ui/wm/public/activation_change_observer.h" | |
13 | |
14 namespace athena { | |
15 | |
16 class ActivityManagerObserver; | |
17 | |
18 class ActivityManagerImpl : public ActivityManager, | |
19 public aura::WindowObserver, | |
20 public aura::client::ActivationChangeObserver { | |
21 public: | |
22 ActivityManagerImpl(); | |
23 ~ActivityManagerImpl() override; | |
24 | |
25 int num_activities() const { return activities_.size(); } | |
26 | |
27 // ActivityManager: | |
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; | |
34 | |
35 private: | |
36 // aura::WindowObserver: | |
37 void OnWindowDestroying(aura::Window* window) override; | |
38 | |
39 // aura::client::ActivationChangeObserver: | |
40 void OnWindowActivated(aura::Window* gained_active, | |
41 aura::Window* lost_active) override; | |
42 | |
43 std::vector<Activity*> activities_; | |
44 | |
45 ObserverList<ActivityManagerObserver> observers_; | |
46 | |
47 DISALLOW_COPY_AND_ASSIGN(ActivityManagerImpl); | |
48 }; | |
49 | |
50 } // namespace athena | |
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