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1 /*
2  * Copyright (c) 2021-2025 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 SERVER_MSG_HANDLER_H
17 #define SERVER_MSG_HANDLER_H
18 
19 #include "client_death_handler.h"
20 #include "event_dispatch_handler.h"
21 #include "ievent_filter.h"
22 #include "inject_notice_manager.h"
23 #include "key_option.h"
24 #include "long_press_event.h"
25 #include "mouse_event_normalize.h"
26 #include "msg_handler.h"
27 #include "pixel_map.h"
28 #ifdef OHOS_BUILD_ENABLE_SECURITY_COMPONENT
29 #include "sec_comp_enhance_kit.h"
30 #endif // OHOS_BUILD_ENABLE_SECURITY_COMPONENT
31 
32 namespace OHOS {
33 namespace MMI {
34 enum class AuthorizationStatus : int32_t {
35     UNKNOWN,
36     AUTHORIZED,
37     UNAUTHORIZED
38 };
39 
40 enum class InjectionType : int32_t {
41     UNKNOWN,
42     KEYEVENT,
43     POINTEREVENT
44 };
45 
46 typedef std::function<int32_t(SessionPtr sess, NetPacket& pkt)> ServerMsgFun;
47 class ServerMsgHandler final : public MsgHandler<MmiMessageId, ServerMsgFun> {
48 public:
49     ServerMsgHandler() = default;
50     DISALLOW_COPY_AND_MOVE(ServerMsgHandler);
51     ~ServerMsgHandler() override = default;
52 
53     void Init(UDSServer& udsServer);
54     void OnMsgHandler(SessionPtr sess, NetPacket& pkt);
55 #if defined(OHOS_BUILD_ENABLE_INTERCEPTOR) || defined(OHOS_BUILD_ENABLE_MONITOR)
56     int32_t OnAddInputHandler(SessionPtr sess, InputHandlerType handlerType, HandleEventType eventType,
57         int32_t priority, uint32_t deviceTags);
58     int32_t OnRemoveInputHandler(SessionPtr sess, InputHandlerType handlerType, HandleEventType eventType,
59         int32_t priority, uint32_t deviceTags);
60     int32_t OnAddGestureMonitor(SessionPtr sess, InputHandlerType handlerType,
61         HandleEventType eventType, TouchGestureType gestureType, int32_t fingers);
62     int32_t OnRemoveGestureMonitor(SessionPtr sess, InputHandlerType handlerType,
63         HandleEventType eventType, TouchGestureType gestureType, int32_t fingers);
64 #endif // OHOS_BUILD_ENABLE_INTERCEPTOR || OHOS_BUILD_ENABLE_MONITOR
65 #ifdef OHOS_BUILD_ENABLE_MONITOR
66     int32_t OnMarkConsumed(SessionPtr sess, int32_t eventId);
67 #endif // OHOS_BUILD_ENABLE_MONITOR
68 #ifdef OHOS_BUILD_ENABLE_KEYBOARD
69     int32_t OnSubscribeKeyEvent(IUdsServer *server, int32_t pid,
70         int32_t subscribeId, const std::shared_ptr<KeyOption> option);
71     int32_t OnUnsubscribeKeyEvent(IUdsServer *server, int32_t pid, int32_t subscribeId);
72     int32_t OnSubscribeHotkey(IUdsServer *server, int32_t pid,
73         int32_t subscribeId, const std::shared_ptr<KeyOption> option);
74     int32_t OnUnsubscribeHotkey(IUdsServer *server, int32_t pid, int32_t subscribeId);
75 #endif // OHOS_BUILD_ENABLE_KEYBOARD
76 #ifdef OHOS_BUILD_ENABLE_KEY_PRESSED_HANDLER
77     int32_t SubscribeKeyMonitor(int32_t session, const KeyMonitorOption &keyOption);
78     int32_t UnsubscribeKeyMonitor(int32_t session, const KeyMonitorOption &keyOption);
79 #endif // OHOS_BUILD_ENABLE_KEY_PRESSED_HANDLER
80 
81 #ifdef OHOS_BUILD_ENABLE_SWITCH
82     int32_t OnSubscribeSwitchEvent(IUdsServer *server, int32_t pid, int32_t subscribeId, int32_t switchType);
83     int32_t OnUnsubscribeSwitchEvent(IUdsServer *server, int32_t pid, int32_t subscribeId);
84     int32_t OnQuerySwitchStatus(int32_t switchType, int32_t& state);
85 #endif // OHOS_BUILD_ENABLE_SWITCH
86     int32_t OnSubscribetabletProximity(IUdsServer *server, int32_t pid, int32_t subscribeId);
87     int32_t OnUnsubscribetabletProximity(IUdsServer *server, int32_t pid, int32_t subscribeId);
88     int32_t OnSubscribeLongPressEvent(IUdsServer *server, int32_t pid, int32_t subscribeId,
89         const LongPressRequest &longPressRequest);
90     int32_t OnUnsubscribeLongPressEvent(IUdsServer *server, int32_t pid, int32_t subscribeId);
91 #if defined(OHOS_BUILD_ENABLE_POINTER) && defined(OHOS_BUILD_ENABLE_POINTER_DRAWING)
92     int32_t OnMoveMouse(int32_t offsetX, int32_t offsetY);
93 #endif // OHOS_BUILD_ENABLE_POINTER && OHOS_BUILD_ENABLE_POINTER_DRAWING
94 #ifdef OHOS_BUILD_ENABLE_KEYBOARD
95     int32_t OnInjectKeyEvent(const std::shared_ptr<KeyEvent> keyEvent, int32_t pid, bool isNativeInject);
96     int32_t OnGetFunctionKeyState(int32_t funcKey, bool &state);
97     int32_t OnSetFunctionKeyState(int32_t pid, int32_t funcKey, bool enable);
98 #endif // OHOS_BUILD_ENABLE_KEYBOARD
99 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH)
100     void DealGesturePointers(std::shared_ptr<PointerEvent> pointerEvent);
101     int32_t OnInjectPointerEvent(const std::shared_ptr<PointerEvent> pointerEvent, int32_t pid,
102         bool isNativeInject, bool isShell, int32_t useCoordinate);
103     int32_t OnInjectTouchPadEvent(const std::shared_ptr<PointerEvent> pointerEvent, int32_t pid,
104         const TouchpadCDG &touchpadCDG, bool isNativeInject, bool isShell);
105     int32_t OnInjectPointerEventExt(const std::shared_ptr<PointerEvent> pointerEvent, bool isShell,
106         int32_t useCoordinate);
107     int32_t OnInjectTouchPadEventExt(const std::shared_ptr<PointerEvent> pointerEvent,
108         const TouchpadCDG &touchpadCDG, bool isShell);
109     int32_t SaveTargetWindowId(std::shared_ptr<PointerEvent> pointerEvent, bool isShell);
110 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH
111 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH) || defined(OHOS_BUILD_ENABLE_KEYBOARD)
112     int32_t AddInputEventFilter(sptr<IEventFilter> filter, int32_t filterId, int32_t priority, uint32_t deviceTags,
113         int32_t clientPid);
114     int32_t RemoveInputEventFilter(int32_t clientPid, int32_t filterId);
115 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH || OHOS_BUILD_ENABLE_KEYBOARD
116 #ifdef OHOS_BUILD_ENABLE_KEYBOARD
117     int32_t SetShieldStatus(int32_t shieldMode, bool isShield);
118     int32_t GetShieldStatus(int32_t shieldMode, bool &isShield);
119 #endif // OHOS_BUILD_ENABLE_KEYBOARD
120     int32_t OnAuthorize(bool isAuthorize);
121     int32_t OnCancelInjection(int32_t callPidId = 0);
122     int32_t RequestInjection(const int32_t callingPid, int32_t &status, int32_t &reqId);
123     int32_t QueryAuthorizedStatus(const int32_t callingPid, int32_t &status);
124     bool IsPC() const;
125     int32_t GetRequestInjectionCallbackReqId();
126     bool CheckForRequestInjectionFrequentAccess(int32_t callingPid, int64_t interval);
127 
128     int32_t SetPixelMapData(int32_t infoId, void* pixelMap);
129     bool InitInjectNoticeSource();
130     bool AddInjectNotice(const InjectNoticeInfo& noticeInfo);
131     int32_t OnTransferBinderClientSrv(const sptr<IRemoteObject> &binderClientObject, int32_t pid);
132     int32_t RegisterWindowStateErrorCallback(SessionPtr sess, NetPacket &pkt);
133 
134 protected:
135     int32_t OnRegisterMsgHandler(SessionPtr sess, NetPacket& pkt);
136     int32_t OnDisplayInfo(SessionPtr sess, NetPacket& pkt);
137     int32_t OnWindowGroupInfo(SessionPtr sess, NetPacket &pkt);
138 #ifdef OHOS_BUILD_ENABLE_SECURITY_COMPONENT
139     int32_t OnEnhanceConfig(SessionPtr sess, NetPacket& pkt);
140 #endif // OHOS_BUILD_ENABLE_SECURITY_COMPONENT
141     void SetWindowInfo(int32_t infoId, WindowInfo &info);
142 
143 private:
144 #ifdef OHOS_BUILD_ENABLE_TOUCH
145     bool FixTargetWindowId(std::shared_ptr<PointerEvent> pointerEvent, int32_t action, bool isShell);
146     int32_t FixTargetWindowId(std::shared_ptr<PointerEvent> pointerEvent,
147         const std::map<int32_t, int32_t>& targetWindowIdMap, bool bNeedResetPointerId = false,
148         int32_t diffPointerId = 0);
149     bool UpdateTouchEvent(std::shared_ptr<PointerEvent> pointerEvent, int32_t action, int32_t targetWindowId);
150 #endif // OHOS_BUILD_ENABLE_TOUCH
151     void LaunchAbility();
152 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH)
153     int32_t AccelerateMotion(std::shared_ptr<PointerEvent> pointerEvent);
154     int32_t AccelerateMotionTouchpad(std::shared_ptr<PointerEvent> pointerEvent, const TouchpadCDG &touchpadCDG);
155     float ScreenFactor(const int32_t diagonalInch);
156 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH
157 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH)
158     void UpdatePointerEvent(std::shared_ptr<PointerEvent> pointerEvent);
159 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH
160 #ifdef OHOS_BUILD_ENABLE_POINTER
161     void CalculateOffset(Direction direction, Offset &offset);
162 #endif // OHOS_BUILD_ENABLE_POINTER
163     int32_t OnUiExtentionWindowInfo(NetPacket &pkt, WindowInfo& info);
164     bool CloseInjectNotice(int32_t pid);
165     bool IsNavigationWindowInjectEvent(std::shared_ptr<PointerEvent> pointerEvent);
166     int32_t NativeInjectCheck(int32_t pid);
167     int32_t ReadScreensInfo(NetPacket &pkt, UserScreenInfo &userScreenInfo);
168     int32_t ReadDisplayGroupsInfo(NetPacket &pkt, UserScreenInfo &userScreenInfo);
169     int32_t ReadDisplaysInfo(NetPacket &pkt, DisplayGroupInfo &displayGroupInfo);
170     int32_t ReadWindowsInfo(NetPacket &pkt, DisplayGroupInfo &displayGroupInfo,
171         OLD::DisplayGroupInfo &oldDisplayGroupInfo);
172     bool IsCastInject(int32_t deviceid);
173     bool ChangeToOld(const UserScreenInfo& userScreenInfo);
174     void ChangeToOld(size_t num, const std::vector<DisplayInfo>& displaysInfo,
175         const std::vector<ScreenInfo>& screens);
176     void Printf(const UserScreenInfo& userScreenInfo);
177 private:
178     UDSServer *udsServer_ { nullptr };
179     std::map<int32_t, int32_t> nativeTargetWindowIds_;
180     std::map<int32_t, int32_t> shellTargetWindowIds_;
181     std::map<int32_t, int32_t> accessTargetWindowIds_;
182     std::map<int32_t, int32_t> castTargetWindowIds_;
183     std::map<int32_t, AuthorizationStatus> authorizationCollection_;
184     int32_t CurrentPID_ { -1 };
185     InjectionType InjectionType_ { InjectionType::UNKNOWN };
186     std::shared_ptr<KeyEvent> keyEvent_ { nullptr };
187     std::shared_ptr<PointerEvent> pointerEvent_ { nullptr };
188     std::map<int32_t, std::unique_ptr<Media::PixelMap>> transparentWins_;
189     std::shared_ptr<InjectNoticeManager> injectNotice_ { nullptr };
190     ClientDeathHandler clientDeathHandler_;
191     std::map<int32_t, int64_t> mapQueryAuthorizeLastTimestamp_;
192     std::vector<OLD::DisplayGroupInfo> oldDisplayGroupInfos_;
193 };
194 } // namespace MMI
195 } // namespace OHOS
196 #endif // SERVER_MSG_HANDLER_H
197