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1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OHOS_SESSION_MANAGER_SESSION_LISTENER_CONTROLLER_H
17 #define OHOS_SESSION_MANAGER_SESSION_LISTENER_CONTROLLER_H
18 
19 #include <mutex>
20 #include <vector>
21 #include <list>
22 
23 #include "pixel_map.h"
24 #ifndef SUPPORT_SCREEN
25 #define SUPPORT_SCREEN
26 #endif
27 #include "mission_listener_interface.h"
28 #include "ws_common.h"
29 #include "wm_common.h"
30 #include "zidl/session_lifecycle_listener_interface.h"
31 #include "task_scheduler.h"
32 
33 namespace OHOS {
34 namespace Rosen {
35 using ISessionListener = AAFwk::IMissionListener;
36 class SessionListenerController : public std::enable_shared_from_this<SessionListenerController> {
37 public:
38     SessionListenerController() = default;
39     SessionListenerController(const std::shared_ptr<TaskScheduler>& taskScheduler);
40     ~SessionListenerController() = default;
41 
42     WSError AddSessionListener(const sptr<ISessionListener>& listener);
43 
44     void DelSessionListener(const sptr<ISessionListener>& listener);
45 
46    /*
47     * Window Lifecycle
48     */
49     void NotifySessionLifecycleEvent(ISessionLifecycleListener::SessionLifecycleEvent event,
50         const SessionInfo& sessionInfo);
51 
52     WMError RegisterSessionLifecycleListener(const sptr<ISessionLifecycleListener>& listener,
53         const std::vector<int32_t>& persistentIdList);
54 
55     WMError RegisterSessionLifecycleListener(const sptr<ISessionLifecycleListener>& listener,
56         const std::vector<std::string>& bundleNameList);
57 
58     WMError UnregisterSessionLifecycleListener(const sptr<ISessionLifecycleListener>& listener);
59 
60     void NotifySessionClosed(const SessionInfo& sessionInfo);
61 
62     void NotifySessionSnapshotChanged(int32_t persistentId);
63 
64     void NotifySessionMovedToFront(int32_t persistentId);
65 
66     void NotifySessionFocused(int32_t persistentId);
67 
68     void NotifySessionUnfocused(int32_t persistentId);
69 
70     void NotifySessionIconChanged(int32_t persistentId, const std::shared_ptr<OHOS::Media::PixelMap>& icon);
71 
72     void NotifySessionLabelUpdated(int32_t persistentId);
73 
74     void HandleUnInstallApp(const std::list<int32_t>& sessions);
75 
76 private:
77     void OnListenerDied(const wptr<IRemoteObject>& remote);
78 
79     void NotifySessionCreated(int32_t persistentId);
80 
81     void NotifySessionDestroyed(int32_t persistentId);
82 
83     void NotifyMissionEvent(ISessionLifecycleListener::SessionLifecycleEvent event, int32_t persistentId);
84 
85     template<typename F, typename... Args>
86     void CallListeners(F func, Args&&... args);
87 
88     class ListenerDeathRecipient : public IRemoteObject::DeathRecipient {
89     public:
90         using ListenerDiedHandler = std::function<void(const wptr<IRemoteObject>&)>;
ListenerDeathRecipient(ListenerDiedHandler handler)91         explicit ListenerDeathRecipient(ListenerDiedHandler handler) : diedHandler_(std::move(handler)) {}
92         ~ListenerDeathRecipient() = default;
OnRemoteDied(const wptr<IRemoteObject> & remote)93         void OnRemoteDied(const wptr<IRemoteObject>& remote) final
94         {
95             if (diedHandler_) {
96                 diedHandler_(remote);
97             }
98         }
99 
100     private:
101         ListenerDiedHandler diedHandler_;
102     };
103 
104 private:
105     std::mutex listenerLock_;
106     std::vector<sptr<ISessionListener>> sessionListeners_;
107     sptr<IRemoteObject::DeathRecipient> listenerDeathRecipient_;
108 
109    /*
110     * Window Lifecycle
111     */
112     void ConstructPayload(ISessionLifecycleListener::LifecycleEventPayload& payload, const SessionInfo& sessionInfo);
113     void OnSessionLifecycleListenerDied(const wptr<IRemoteObject>& remote);
114     void RemoveSessionLifecycleListener(const sptr<IRemoteObject>& target);
115 
116     template <typename KeyType, typename MapType>
117     void NotifyListeners(const MapType& listenerMap, const KeyType& key,
118         const ISessionLifecycleListener::SessionLifecycleEvent event,
119         ISessionLifecycleListener::LifecycleEventPayload& payload);
120     std::shared_ptr<TaskScheduler> taskScheduler_;
121     sptr<IRemoteObject::DeathRecipient> lifecycleListenerDeathRecipient_;
122     std::map<int32_t, std::vector<sptr<ISessionLifecycleListener>>> listenerMapById_;
123     std::map<std::string, std::vector<sptr<ISessionLifecycleListener>>> listenerMapByBundle_;
124     std::vector<sptr<ISessionLifecycleListener>> listenersOfAllBundles_;
125 };
126 }  // namespace Rosen
127 }  // namespace OHOS
128 #endif  // OHOS_SESSION_MANAGER_SESSION_LISTENER_CONTROLLER_H
129