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1 /*
2  * Copyright (c) 2021-2022 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 MMI_SERVICE_H
17 #define MMI_SERVICE_H
18 
19 #include <atomic>
20 #include <mutex>
21 #include <thread>
22 
23 #include "iremote_object.h"
24 #include "singleton.h"
25 #include "system_ability.h"
26 
27 #include "delegate_tasks.h"
28 #include "input_event_handler.h"
29 #include "libinput_adapter.h"
30 #include "multimodal_input_connect_stub.h"
31 #include "server_msg_handler.h"
32 #include "uds_server.h"
33 
34 namespace OHOS {
35 namespace MMI {
36 
37 enum class ServiceRunningState {STATE_NOT_START, STATE_RUNNING, STATE_EXIT};
38 class MMIService final : public UDSServer, public SystemAbility, public MultimodalInputConnectStub {
39     DECLARE_DELAYED_SINGLETON(MMIService);
40     DECLARE_SYSTEM_ABILITY(MMIService);
41     DISALLOW_COPY_AND_MOVE(MMIService);
42 
43 public:
44     void OnStart() override;
45     void OnStop() override;
46     int32_t Dump(int32_t fd, const std::vector<std::u16string> &args) override;
47     int32_t AllocSocketFd(const std::string &programName, const int32_t moduleType,
48         int32_t &toReturnClientFd, int32_t &tokenType) override;
49     int32_t AddInputEventFilter(sptr<IEventFilter> filter, int32_t filterId, int32_t priority,
50         uint32_t deviceTags) override;
51     int32_t RemoveInputEventFilter(int32_t filterId) override;
52     int32_t SetPointerSize(int32_t size) override;
53     int32_t GetPointerSize(int32_t &size) override;
54     int32_t SetMouseScrollRows(int32_t rows) override;
55     int32_t GetMouseScrollRows(int32_t &rows) override;
56     int32_t SetMouseIcon(int32_t windowId, void* pixelMap) override;
57     int32_t SetMouseHotSpot(int32_t windowId, int32_t hotSpotX, int32_t hotSpotY) override;
58     int32_t SetMousePrimaryButton(int32_t primaryButton) override;
59     int32_t GetMousePrimaryButton(int32_t &primaryButton) override;
60     int32_t SetHoverScrollState(bool state) override;
61     int32_t GetHoverScrollState(bool &state) override;
62     int32_t SetPointerVisible(bool visible) override;
63     int32_t IsPointerVisible(bool &visible) override;
64     int32_t MarkProcessed(int32_t eventType, int32_t eventId) override;
65     int32_t SetPointerColor(int32_t color) override;
66     int32_t GetPointerColor(int32_t &color) override;
67     int32_t SetPointerSpeed(int32_t speed) override;
68     int32_t GetPointerSpeed(int32_t &speed) override;
69     int32_t SetPointerStyle(int32_t windowId, PointerStyle pointerStyle) override;
70     int32_t GetPointerStyle(int32_t windowId, PointerStyle &pointerStyle) override;
71     int32_t SupportKeys(int32_t deviceId, std::vector<int32_t> &keys, std::vector<bool> &keystroke) override;
72     int32_t GetDeviceIds(std::vector<int32_t> &ids) override;
73     int32_t GetDevice(int32_t deviceId, std::shared_ptr<InputDevice> &inputDevice) override;
74     int32_t RegisterDevListener() override;
75     int32_t UnregisterDevListener() override;
76     int32_t GetKeyboardType(int32_t deviceId, int32_t &keyboardType) override;
77     int32_t SetKeyboardRepeatDelay(int32_t delay) override;
78     int32_t SetKeyboardRepeatRate(int32_t rate) override;
79     int32_t GetKeyboardRepeatDelay(int32_t &delay) override;
80     int32_t GetKeyboardRepeatRate(int32_t &rate) override;
81     int32_t AddInputHandler(InputHandlerType handlerType, HandleEventType eventType,
82         int32_t priority, uint32_t deviceTags) override;
83     int32_t RemoveInputHandler(InputHandlerType handlerType, HandleEventType eventType,
84         int32_t priority, uint32_t deviceTags) override;
85     int32_t MarkEventConsumed(int32_t eventId) override;
86     int32_t MoveMouseEvent(int32_t offsetX, int32_t offsetY) override;
87     int32_t InjectKeyEvent(const std::shared_ptr<KeyEvent> keyEvent) override;
88     int32_t SubscribeKeyEvent(int32_t subscribeId, const std::shared_ptr<KeyOption> option) override;
89     int32_t UnsubscribeKeyEvent(int32_t subscribeId) override;
90     int32_t SubscribeSwitchEvent(int32_t subscribeId) override;
91     int32_t UnsubscribeSwitchEvent(int32_t subscribeId) override;
92     int32_t InjectPointerEvent(const std::shared_ptr<PointerEvent> pointerEvent) override;
93     int32_t SetAnrObserver() override;
94     int32_t GetDisplayBindInfo(DisplayBindInfos &infos) override;
95     int32_t SetDisplayBind(int32_t deviceId, int32_t displayId, std::string &msg) override;
96     int32_t GetFunctionKeyState(int32_t funcKey, bool &state) override;
97     int32_t SetFunctionKeyState(int32_t funcKey, bool enable) override;
98     int32_t SetPointerLocation(int32_t x, int32_t y) override;
99     virtual int32_t SetMouseCaptureMode(int32_t windowId, bool isCaptureMode) override;
100     int32_t GetWindowPid(int32_t windowId) override;
101     int32_t AppendExtraData(const ExtraData& extraData) override;
102     int32_t EnableInputDevice(bool enable) override;
103     int32_t SetKeyDownDuration(const std::string &businessId, int32_t delay) override;
104     int32_t SetTouchpadScrollSwitch(bool switchFlag) override;
105     int32_t GetTouchpadScrollSwitch(bool &switchFlag) override;
106     int32_t SetTouchpadScrollDirection(bool state) override;
107     int32_t GetTouchpadScrollDirection(bool &state) override;
108     int32_t SetTouchpadTapSwitch(bool switchFlag) override;
109     int32_t GetTouchpadTapSwitch(bool &switchFlag) override;
110     int32_t SetTouchpadPointerSpeed(int32_t speed) override;
111     int32_t GetTouchpadPointerSpeed(int32_t &speed) override;
112     int32_t SetTouchpadPinchSwitch(bool switchFlag) override;
113     int32_t GetTouchpadPinchSwitch(bool &switchFlag) override;
114     int32_t SetTouchpadSwipeSwitch(bool switchFlag) override;
115     int32_t GetTouchpadSwipeSwitch(bool &switchFlag) override;
116     int32_t SetTouchpadRightClickType(int32_t type) override;
117     int32_t GetTouchpadRightClickType(int32_t &type) override;
118 
119 #ifdef OHOS_RSS_CLIENT
120     void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override;
121 #endif
122 
123 protected:
124     void OnConnected(SessionPtr s) override;
125     void OnDisconnected(SessionPtr s) override;
126     int32_t AddEpoll(EpollEventType type, int32_t fd) override;
127     int32_t DelEpoll(EpollEventType type, int32_t fd);
128     bool IsRunning() const override;
129 #if defined(OHOS_BUILD_ENABLE_POINTER) && defined(OHOS_BUILD_ENABLE_POINTER_DRAWING)
130     int32_t CheckPointerVisible(bool &visible);
131 #endif // OHOS_BUILD_ENABLE_POINTER && OHOS_BUILD_ENABLE_POINTER_DRAWING
132 #ifdef OHOS_BUILD_ENABLE_POINTER
133     int32_t ReadMouseScrollRows(int32_t &rows);
134     int32_t ReadPointerSize(int32_t &size);
135     int32_t ReadMousePrimaryButton(int32_t &primaryButton);
136     int32_t ReadPointerSpeed(int32_t &speed);
137     int32_t ReadHoverScrollState(bool &state);
138     int32_t ReadPointerColor(int32_t &color);
139     int32_t ReadTouchpadScrollSwich(bool &switchFlag);
140     int32_t ReadTouchpadScrollDirection(bool &state);
141     int32_t ReadTouchpadTapSwitch(bool &switchFlag);
142     int32_t ReadTouchpadPointerSpeed(int32_t &speed);
143     int32_t ReadTouchpadPinchSwitch(bool &switchFlag);
144     int32_t ReadTouchpadSwipeSwitch(bool &switchFlag);
145     int32_t ReadTouchpadRightMenuType(int32_t &type);
146 #endif // OHOS_BUILD_ENABLE_POINTER
147     int32_t OnRegisterDevListener(int32_t pid);
148     int32_t OnUnregisterDevListener(int32_t pid);
149     int32_t OnGetDeviceIds(std::vector<int32_t> &ids);
150     int32_t OnGetDevice(int32_t deviceId, std::shared_ptr<InputDevice> &inputDevice);
151     int32_t OnSupportKeys(int32_t deviceId, std::vector<int32_t> &keys, std::vector<bool> &keystroke);
152     int32_t OnGetKeyboardType(int32_t deviceId, int32_t &keyboardType);
153     int32_t OnGetWindowPid(int32_t windowId, int32_t &windowPid);
154 #if defined(OHOS_BUILD_ENABLE_INTERCEPTOR) || defined(OHOS_BUILD_ENABLE_MONITOR)
155     int32_t CheckAddInput(int32_t pid, InputHandlerType handlerType, HandleEventType eventType,
156         int32_t priority, uint32_t deviceTags);
157     int32_t CheckRemoveInput(int32_t pid, InputHandlerType handlerType, HandleEventType eventType,
158         int32_t priority, uint32_t deviceTags);
159 #endif // OHOS_BUILD_ENABLE_INTERCEPTOR || OHOS_BUILD_ENABLE_MONITOR
160     int32_t CheckMarkConsumed(int32_t pid, int32_t eventId);
161 #ifdef OHOS_BUILD_ENABLE_KEYBOARD
162     int32_t CheckInjectKeyEvent(const std::shared_ptr<KeyEvent> keyEvent);
163 #endif // OHOS_BUILD_ENABLE_KEYBOARD
164 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH)
165     int32_t CheckInjectPointerEvent(const std::shared_ptr<PointerEvent> pointerEvent);
166 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH
167     bool InitLibinputService();
168     bool InitService();
169     bool InitSignalHandler();
170     bool InitDelegateTasks();
171     int32_t Init();
172 
173     void OnThread();
174     void OnSignalEvent(int32_t signalFd);
175     void OnDelegateTask(epoll_event& ev);
176 
177     void AddReloadDeviceTimer();
178     int32_t UpdateSettingsXml(const std::string &businessId, int32_t delay);
179 
180 private:
181     std::atomic<ServiceRunningState> state_ = ServiceRunningState::STATE_NOT_START;
182     int32_t mmiFd_ { -1 };
183     std::mutex mu_;
184     std::thread t_;
185 #ifdef OHOS_RSS_CLIENT
186     std::atomic<uint64_t> tid_ = 0;
187 #endif
188 
189     LibinputAdapter libinputAdapter_;
190     ServerMsgHandler sMsgHandler_;
191     DelegateTasks delegateTasks_;
192 
193     std::atomic_bool threadStatusFlag_ { false };
194 };
195 } // namespace MMI
196 } // namespace OHOS
197 #endif // MMI_SERVICE_H
198