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1 /*
2  * Copyright (c) 2021-2024 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 "i_event_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 
33 namespace OHOS {
34 namespace MMI {
35 enum class AuthorizationStatus : int32_t {
36     UNKNOWN,
37     AUTHORIZED,
38     UNAUTHORIZED
39 };
40 
41 enum class InjectionType : int32_t {
42     UNKNOWN,
43     KEYEVENT,
44     POINTEREVENT
45 };
46 
47 typedef std::function<int32_t(SessionPtr sess, NetPacket& pkt)> ServerMsgFun;
48 class ServerMsgHandler final : public MsgHandler<MmiMessageId, ServerMsgFun> {
49 public:
50     ServerMsgHandler() = default;
51     DISALLOW_COPY_AND_MOVE(ServerMsgHandler);
52     ~ServerMsgHandler() override = default;
53 
54     void Init(UDSServer& udsServer);
55     void OnMsgHandler(SessionPtr sess, NetPacket& pkt);
56 #if defined(OHOS_BUILD_ENABLE_INTERCEPTOR) || defined(OHOS_BUILD_ENABLE_MONITOR)
57     int32_t OnAddInputHandler(SessionPtr sess, InputHandlerType handlerType, HandleEventType eventType,
58         int32_t priority, uint32_t deviceTags);
59     int32_t OnRemoveInputHandler(SessionPtr sess, InputHandlerType handlerType, HandleEventType eventType,
60         int32_t priority, uint32_t deviceTags);
61     int32_t OnAddGestureMonitor(SessionPtr sess, InputHandlerType handlerType,
62         HandleEventType eventType, TouchGestureType gestureType, int32_t fingers);
63     int32_t OnRemoveGestureMonitor(SessionPtr sess, InputHandlerType handlerType,
64         HandleEventType eventType, TouchGestureType gestureType, int32_t fingers);
65 #endif // OHOS_BUILD_ENABLE_INTERCEPTOR || OHOS_BUILD_ENABLE_MONITOR
66 #ifdef OHOS_BUILD_ENABLE_MONITOR
67     int32_t OnMarkConsumed(SessionPtr sess, int32_t eventId);
68 #endif // OHOS_BUILD_ENABLE_MONITOR
69 #ifdef OHOS_BUILD_ENABLE_KEYBOARD
70     int32_t OnSubscribeKeyEvent(IUdsServer *server, int32_t pid,
71         int32_t subscribeId, const std::shared_ptr<KeyOption> option);
72     int32_t OnUnsubscribeKeyEvent(IUdsServer *server, int32_t pid, int32_t subscribeId);
73     int32_t OnSubscribeHotkey(IUdsServer *server, int32_t pid,
74         int32_t subscribeId, const std::shared_ptr<KeyOption> option);
75     int32_t OnUnsubscribeHotkey(IUdsServer *server, int32_t pid, int32_t subscribeId);
76     int32_t SubscribeKeyMonitor(int32_t session, const KeyMonitorOption &keyOption);
77     int32_t UnsubscribeKeyMonitor(int32_t session, const KeyMonitorOption &keyOption);
78 #endif // OHOS_BUILD_ENABLE_KEYBOARD
79 
80 #ifdef OHOS_BUILD_ENABLE_SWITCH
81     int32_t OnSubscribeSwitchEvent(IUdsServer *server, int32_t pid, int32_t subscribeId, int32_t switchType);
82     int32_t OnUnsubscribeSwitchEvent(IUdsServer *server, int32_t pid, int32_t subscribeId);
83 #endif // OHOS_BUILD_ENABLE_SWITCH
84     int32_t OnSubscribetabletProximity(IUdsServer *server, int32_t pid, int32_t subscribeId);
85     int32_t OnUnsubscribetabletProximity(IUdsServer *server, int32_t pid, int32_t subscribeId);
86     int32_t OnSubscribeLongPressEvent(IUdsServer *server, int32_t pid, int32_t subscribeId,
87         const LongPressRequest &longPressRequest);
88     int32_t OnUnsubscribeLongPressEvent(IUdsServer *server, int32_t pid, int32_t subscribeId);
89 #if defined(OHOS_BUILD_ENABLE_POINTER) && defined(OHOS_BUILD_ENABLE_POINTER_DRAWING)
90     int32_t OnMoveMouse(int32_t offsetX, int32_t offsetY);
91 #endif // OHOS_BUILD_ENABLE_POINTER && OHOS_BUILD_ENABLE_POINTER_DRAWING
92 #ifdef OHOS_BUILD_ENABLE_KEYBOARD
93     int32_t OnInjectKeyEvent(const std::shared_ptr<KeyEvent> keyEvent, int32_t pid, bool isNativeInject);
94     int32_t OnGetFunctionKeyState(int32_t funcKey, bool &state);
95     int32_t OnSetFunctionKeyState(int32_t pid, int32_t funcKey, bool enable);
96 #endif // OHOS_BUILD_ENABLE_KEYBOARD
97 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH)
98     void DealGesturePointers(std::shared_ptr<PointerEvent> pointerEvent);
99     int32_t OnInjectPointerEvent(const std::shared_ptr<PointerEvent> pointerEvent, int32_t pid,
100         bool isNativeInject, bool isShell);
101     int32_t OnInjectTouchPadEvent(const std::shared_ptr<PointerEvent> pointerEvent, int32_t pid,
102         const TouchpadCDG &touchpadCDG, bool isNativeInject, bool isShell);
103     int32_t OnInjectPointerEventExt(const std::shared_ptr<PointerEvent> pointerEvent, bool isShell);
104     int32_t OnInjectTouchPadEventExt(const std::shared_ptr<PointerEvent> pointerEvent,
105         const TouchpadCDG &touchpadCDG, bool isShell);
106     int32_t SaveTargetWindowId(std::shared_ptr<PointerEvent> pointerEvent, bool isShell);
107 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH
108 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH) || defined(OHOS_BUILD_ENABLE_KEYBOARD)
109     int32_t AddInputEventFilter(sptr<IEventFilter> filter, int32_t filterId, int32_t priority, uint32_t deviceTags,
110         int32_t clientPid);
111     int32_t RemoveInputEventFilter(int32_t clientPid, int32_t filterId);
112 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH || OHOS_BUILD_ENABLE_KEYBOARD
113 #ifdef OHOS_BUILD_ENABLE_KEYBOARD
114     int32_t SetShieldStatus(int32_t shieldMode, bool isShield);
115     int32_t GetShieldStatus(int32_t shieldMode, bool &isShield);
116 #endif // OHOS_BUILD_ENABLE_KEYBOARD
117     int32_t OnAuthorize(bool isAuthorize);
118     int32_t OnCancelInjection(int32_t callPidId = 0);
119     int32_t SetPixelMapData(int32_t infoId, void* pixelMap);
120     bool InitInjectNoticeSource();
121     bool AddInjectNotice(const InjectNoticeInfo& noticeInfo);
122     int32_t OnTransferBinderClientSrv(const sptr<IRemoteObject> &binderClientObject, int32_t pid);
123     int32_t RegisterWindowStateErrorCallback(SessionPtr sess, NetPacket &pkt);
124 
125 protected:
126     int32_t OnRegisterMsgHandler(SessionPtr sess, NetPacket& pkt);
127     int32_t OnDisplayInfo(SessionPtr sess, NetPacket& pkt);
128     int32_t OnWindowGroupInfo(SessionPtr sess, NetPacket &pkt);
129 #ifdef OHOS_BUILD_ENABLE_SECURITY_COMPONENT
130     int32_t OnEnhanceConfig(SessionPtr sess, NetPacket& pkt);
131 #endif // OHOS_BUILD_ENABLE_SECURITY_COMPONENT
132     void SetWindowInfo(int32_t infoId, WindowInfo &info);
133 
134 private:
135 #ifdef OHOS_BUILD_ENABLE_TOUCH
136     bool FixTargetWindowId(std::shared_ptr<PointerEvent> pointerEvent, int32_t action, bool isShell);
137     bool UpdateTouchEvent(std::shared_ptr<PointerEvent> pointerEvent, int32_t action, int32_t targetWindowId);
138 #endif // OHOS_BUILD_ENABLE_TOUCH
139     void LaunchAbility();
140 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH)
141     int32_t AccelerateMotion(std::shared_ptr<PointerEvent> pointerEvent);
142     int32_t AccelerateMotionTouchpad(std::shared_ptr<PointerEvent> pointerEvent, const TouchpadCDG &touchpadCDG);
143     float ScreenFactor(const int32_t diagonalInch);
144 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH
145 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH)
146     void UpdatePointerEvent(std::shared_ptr<PointerEvent> pointerEvent);
147 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH
148 #ifdef OHOS_BUILD_ENABLE_POINTER
149     void CalculateOffset(Direction direction, Offset &offset);
150 #endif // OHOS_BUILD_ENABLE_POINTER
151     int32_t OnUiExtentionWindowInfo(NetPacket &pkt, WindowInfo& info);
152     bool CloseInjectNotice(int32_t pid);
153     bool IsNavigationWindowInjectEvent(std::shared_ptr<PointerEvent> pointerEvent);
154     int32_t NativeInjectCheck(int32_t pid);
155     int32_t ReadDisplayInfo(NetPacket &pkt, DisplayGroupInfo &displayGroupInfo);
156     bool IsCastInject(int32_t deviceid);
157 private:
158     UDSServer *udsServer_ { nullptr };
159     std::map<int32_t, int32_t> nativeTargetWindowIds_;
160     std::map<int32_t, int32_t> shellTargetWindowIds_;
161     std::map<int32_t, int32_t> accessTargetWindowIds_;
162     std::map<int32_t, int32_t> castTargetWindowIds_;
163     std::map<int32_t, AuthorizationStatus> authorizationCollection_;
164     int32_t CurrentPID_ { -1 };
165     InjectionType InjectionType_ { InjectionType::UNKNOWN };
166     std::shared_ptr<KeyEvent> keyEvent_ { nullptr };
167     std::shared_ptr<PointerEvent> pointerEvent_ { nullptr };
168     std::map<int32_t, std::unique_ptr<Media::PixelMap>> transparentWins_;
169     std::shared_ptr<InjectNoticeManager> injectNotice_ { nullptr };
170     ClientDeathHandler clientDeathHandler_;
171 };
172 } // namespace MMI
173 } // namespace OHOS
174 #endif // SERVER_MSG_HANDLER_H
175